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/** ************************************************************************* */
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/* * For conditions of distribution and use, * */
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/* * see copyright notice in libmng.h * */
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/* ************************************************************************** */
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/* * * */
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/* * project : libmng * */
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/* * file : libmng_chunk_io.c copyright (c) 2000-2007 G.Juyn * */
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/* * version : 1.0.10 * */
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/* * * */
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/* * purpose : Chunk I/O routines (implementation) * */
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/* * * */
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/* * author : G.Juyn * */
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/* * * */
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/* * comment : implementation of chunk input/output routines * */
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/* * * */
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/* * changes : 0.5.1 - 05/01/2000 - G.Juyn * */
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/* * - cleaned up left-over teststuff in the BACK chunk routine * */
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/* * 0.5.1 - 05/04/2000 - G.Juyn * */
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/* * - changed CRC initialization to use dynamic structure * */
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/* * (wasn't thread-safe the old way !) * */
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/* * 0.5.1 - 05/06/2000 - G.Juyn * */
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/* * - filled in many missing sequence&length checks * */
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/* * - filled in many missing chunk-store snippets * */
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/* * 0.5.1 - 05/08/2000 - G.Juyn * */
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/* * - added checks for running animations * */
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/* * - filled some write routines * */
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/* * - changed strict-ANSI stuff * */
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/* * 0.5.1 - 05/10/2000 - G.Juyn * */
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/* * - filled some more write routines * */
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/* * 0.5.1 - 05/11/2000 - G.Juyn * */
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/* * - filled remaining write routines * */
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/* * - fixed read_pplt with regard to deltatype * */
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/* * - added callback error-reporting support * */
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/* * - added pre-draft48 support (short MHDR, frame_mode, LOOP) * */
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/* * 0.5.1 - 05/12/2000 - G.Juyn * */
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/* * - changed trace to macro for callback error-reporting * */
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/* * - fixed chunk-storage bit in several routines * */
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/* * 0.5.1 - 05/13/2000 - G.Juyn * */
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/* * - added eMNGma hack (will be removed in 1.0.0 !!!) * */
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/* * - added TERM animation object pointer (easier reference) * */
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/* * - supplemented the SAVE & SEEK display processing * */
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/* * * */
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/* * 0.5.2 - 05/18/2000 - G.Juyn * */
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/* * - B004 - fixed problem with MNG_SUPPORT_WRITE not defined * */
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/* * also for MNG_SUPPORT_WRITE without MNG_INCLUDE_JNG * */
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/* * 0.5.2 - 05/19/2000 - G.Juyn * */
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/* * - cleaned up some code regarding mixed support * */
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/* * 0.5.2 - 05/20/2000 - G.Juyn * */
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/* * - implemented JNG support * */
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/* * 0.5.2 - 05/24/2000 - G.Juyn * */
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/* * - added support for global color-chunks in animation * */
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/* * - added support for global PLTE,tRNS,bKGD in animation * */
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/* * - added support for SAVE & SEEK in animation * */
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/* * 0.5.2 - 05/29/2000 - G.Juyn * */
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/* * - changed ani_create calls not returning object pointer * */
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/* * - create ani objects always (not just inside TERM/LOOP) * */
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/* * 0.5.2 - 05/30/2000 - G.Juyn * */
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/* * - added support for delta-image processing * */
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/* * 0.5.2 - 05/31/2000 - G.Juyn * */
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/* * - fixed up punctuation (contributed by Tim Rowley) * */
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/* * 0.5.2 - 06/02/2000 - G.Juyn * */
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/* * - changed SWAP_ENDIAN to BIGENDIAN_SUPPORTED * */
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/* * 0.5.2 - 06/03/2000 - G.Juyn * */
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/* * - fixed makeup for Linux gcc compile * */
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/* * * */
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/* * 0.5.3 - 06/12/2000 - G.Juyn * */
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/* * - added processing of color-info on delta-image * */
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/* * 0.5.3 - 06/13/2000 - G.Juyn * */
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/* * - fixed handling of empty SAVE chunk * */
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/* * 0.5.3 - 06/17/2000 - G.Juyn * */
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/* * - changed to support delta-images * */
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/* * - added extra checks for delta-images * */
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/* * 0.5.3 - 06/20/2000 - G.Juyn * */
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/* * - fixed possible trouble if IEND display-process got * */
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/* * broken up * */
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/* * 0.5.3 - 06/21/2000 - G.Juyn * */
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/* * - added processing of PLTE & tRNS for delta-images * */
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/* * - added administration of imagelevel parameter * */
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/* * 0.5.3 - 06/22/2000 - G.Juyn * */
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/* * - implemented support for PPLT chunk * */
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/* * 0.5.3 - 06/26/2000 - G.Juyn * */
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/* * - added precaution against faulty iCCP chunks from PS * */
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/* * 0.5.3 - 06/29/2000 - G.Juyn * */
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/* * - fixed some 64-bit warnings * */
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/* * * */
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/* * 0.9.1 - 07/14/2000 - G.Juyn * */
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/* * - changed pre-draft48 frame_mode=3 to frame_mode=1 * */
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/* * 0.9.1 - 07/16/2000 - G.Juyn * */
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/* * - fixed storage of images during mng_read() * */
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/* * - fixed support for mng_display() after mng_read() * */
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/* * 0.9.1 - 07/19/2000 - G.Juyn * */
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/* * - fixed several chunk-writing routines * */
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/* * 0.9.1 - 07/24/2000 - G.Juyn * */
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/* * - fixed reading of still-images * */
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/* * * */
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/* * 0.9.2 - 08/05/2000 - G.Juyn * */
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/* * - changed file-prefixes * */
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/* * * */
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/* * 0.9.3 - 08/07/2000 - G.Juyn * */
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/* * - B111300 - fixup for improved portability * */
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/* * 0.9.3 - 08/08/2000 - G.Juyn * */
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/* * - fixed compiler-warnings from Mozilla * */
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/* * 0.9.3 - 08/09/2000 - G.Juyn * */
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/* * - added check for simplicity-bits in MHDR * */
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/* * 0.9.3 - 08/12/2000 - G.Juyn * */
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/* * - fixed check for simplicity-bits in MHDR (JNG) * */
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/* * 0.9.3 - 08/12/2000 - G.Juyn * */
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/* * - added workaround for faulty PhotoShop iCCP chunk * */
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/* * 0.9.3 - 08/22/2000 - G.Juyn * */
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/* * - fixed write-code for zTXt & iTXt * */
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/* * - fixed read-code for iTXt * */
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/* * 0.9.3 - 08/26/2000 - G.Juyn * */
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/* * - added MAGN chunk * */
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/* * 0.9.3 - 09/07/2000 - G.Juyn * */
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/* * - added support for new filter_types * */
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/* * 0.9.3 - 09/10/2000 - G.Juyn * */
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/* * - fixed DEFI behavior * */
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/* * 0.9.3 - 10/02/2000 - G.Juyn * */
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/* * - fixed simplicity-check in compliance with draft 81/0.98a * */
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/* * 0.9.3 - 10/10/2000 - G.Juyn * */
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/* * - added support for alpha-depth prediction * */
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/* * 0.9.3 - 10/11/2000 - G.Juyn * */
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/* * - added support for nEED * */
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/* * 0.9.3 - 10/16/2000 - G.Juyn * */
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/* * - added support for JDAA * */
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/* * 0.9.3 - 10/17/2000 - G.Juyn * */
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/* * - fixed support for MAGN * */
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/* * - implemented nEED "xxxx" (where "xxxx" is a chunkid) * */
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/* * - added callback to process non-critical unknown chunks * */
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/* * - fixed support for bKGD * */
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/* * 0.9.3 - 10/23/2000 - G.Juyn * */
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/* * - fixed bug in empty PLTE handling * */
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/* * * */
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/* * 0.9.4 - 11/20/2000 - G.Juyn * */
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/* * - changed IHDR filter_method check for PNGs * */
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/* * 0.9.4 - 1/18/2001 - G.Juyn * */
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/* * - added errorchecking for MAGN methods * */
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/* * - removed test filter-methods 1 & 65 * */
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/* * * */
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/* * 0.9.5 - 1/25/2001 - G.Juyn * */
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/* * - fixed some small compiler warnings (thanks Nikki) * */
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/* * * */
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/* * 1.0.2 - 05/05/2000 - G.Juyn * */
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/* * - B421427 - writes wrong format in bKGD and tRNS * */
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/* * 1.0.2 - 06/20/2000 - G.Juyn * */
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/* * - B434583 - compiler-warning if MNG_STORE_CHUNKS undefined * */
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/* * * */
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/* * 1.0.5 - 07/08/2002 - G.Juyn * */
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/* * - B578572 - removed eMNGma hack (thanks Dimitri!) * */
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/* * 1.0.5 - 08/07/2002 - G.Juyn * */
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/* * - added test-option for PNG filter method 193 (=no filter) * */
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/* * 1.0.5 - 08/15/2002 - G.Juyn * */
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/* * - completed PROM support * */
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/* * 1.0.5 - 08/19/2002 - G.Juyn * */
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/* * - B597134 - libmng pollutes the linker namespace * */
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/* * 1.0.5 - 09/07/2002 - G.Juyn * */
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/* * - fixed reading of FRAM with just frame_mode and name * */
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/* * 1.0.5 - 09/13/2002 - G.Juyn * */
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/* * - fixed read/write of MAGN chunk * */
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/* * 1.0.5 - 09/14/2002 - G.Juyn * */
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/* * - added event handling for dynamic MNG * */
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/* * 1.0.5 - 09/15/2002 - G.Juyn * */
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/* * - fixed LOOP iteration=0 special case * */
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/* * 1.0.5 - 09/19/2002 - G.Juyn * */
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/* * - misplaced TERM is now treated as warning * */
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/* * 1.0.5 - 09/20/2002 - G.Juyn * */
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/* * - added support for PAST * */
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/* * 1.0.5 - 10/03/2002 - G.Juyn * */
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/* * - fixed chunk-storage for evNT chunk * */
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/* * 1.0.5 - 10/07/2002 - G.Juyn * */
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/* * - fixed DISC support * */
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/* * - added another fix for misplaced TERM chunk * */
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/* * 1.0.5 - 10/17/2002 - G.Juyn * */
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/* * - fixed initializtion of pIds in dISC read routine * */
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/* * 1.0.5 - 11/06/2002 - G.Juyn * */
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/* * - added support for nEED "MNG 1.1" * */
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/* * - added support for nEED "CACHEOFF" * */
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/* * * */
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/* * 1.0.6 - 05/25/2003 - G.R-P * */
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/* * - added MNG_SKIPCHUNK_cHNK footprint optimizations * */
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/* * 1.0.6 - 06/02/2003 - G.R-P * */
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/* * - removed some redundant checks for iRawlen==0 * */
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/* * 1.0.6 - 06/22/2003 - G.R-P * */
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/* * - added MNG_NO_16BIT_SUPPORT, MNG_NO_DELTA_PNG reductions * */
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/* * - optionally use zlib's crc32 function instead of * */
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/* * local mng_update_crc * */
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/* * 1.0.6 - 07/14/2003 - G.R-P * */
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/* * - added MNG_NO_LOOP_SIGNALS_SUPPORTED conditional * */
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/* * 1.0.6 - 07/29/2003 - G.R-P * */
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/* * - added conditionals around PAST chunk support * */
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/* * 1.0.6 - 08/17/2003 - G.R-P * */
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/* * - added conditionals around non-VLC chunk support * */
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/* * * */
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/* * 1.0.7 - 10/29/2003 - G.R-P * */
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/* * - revised JDAA and JDAT readers to avoid compiler bug * */
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/* * 1.0.7 - 01/25/2004 - J.S * */
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/* * - added premultiplied alpha canvas' for RGBA, ARGB, ABGR * */
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/* * 1.0.7 - 01/27/2004 - J.S * */
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/* * - fixed inclusion of IJNG chunk for non-JNG use * */
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/* * 1.0.7 - 02/26/2004 - G.Juyn * */
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/* * - fixed bug in chunk-storage of SHOW chunk (from == to) * */
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/* * * */
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/* * 1.0.8 - 04/02/2004 - G.Juyn * */
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/* * - added CRC existence & checking flags * */
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/* * 1.0.8 - 07/07/2004 - G.R-P * */
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/* * - change worst-case iAlphadepth to 1 for standalone PNGs * */
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/* * * */
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/* * 1.0.9 - 09/28/2004 - G.R-P * */
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/* * - improved handling of cheap transparency when 16-bit * */
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/* * support is disabled * */
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/* * 1.0.9 - 10/04/2004 - G.Juyn * */
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/* * - fixed bug in writing sBIT for indexed color * */
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/* * 1.0.9 - 10/10/2004 - G.R-P. * */
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/* * - added MNG_NO_1_2_4BIT_SUPPORT * */
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/* * 1.0.9 - 12/05/2004 - G.Juyn * */
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/* * - added conditional MNG_OPTIMIZE_CHUNKINITFREE * */
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/* * 1.0.9 - 12/06/2004 - G.Juyn * */
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/* * - added conditional MNG_OPTIMIZE_CHUNKASSIGN * */
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/* * 1.0.9 - 12/07/2004 - G.Juyn * */
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/* * - added conditional MNG_OPTIMIZE_CHUNKREADER * */
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/* * 1.0.9 - 12/11/2004 - G.Juyn * */
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/* * - added conditional MNG_OPTIMIZE_DISPLAYCALLS * */
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/* * 1.0.9 - 12/20/2004 - G.Juyn * */
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/* * - cleaned up macro-invocations (thanks to D. Airlie) * */
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/* * 1.0.9 - 01/17/2005 - G.Juyn * */
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/* * - fixed problem with global PLTE/tRNS * */
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/* * * */
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/* * 1.0.10 - 02/07/2005 - G.Juyn * */
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/* * - fixed display routines called twice for FULL_MNG * */
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/* * support in mozlibmngconf.h * */
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/* * 1.0.10 - 12/04/2005 - G.R-P. * */
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/* * - #ifdef out use of mng_inflate_buffer when it is not * */
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/* * available. * */
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/* * 1.0.10 - 04/08/2007 - G.Juyn * */
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/* * - added support for mPNG proposal * */
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/* * 1.0.10 - 04/12/2007 - G.Juyn * */
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/* * - added support for ANG proposal * */
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/* * 1.0.10 - 05/02/2007 - G.Juyn * */
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/* * - fixed inflate_buffer for extreme compression ratios * */
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/* * * */
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/* ************************************************************************** */
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#include "libmng.h"
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#include "libmng_data.h"
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#include "libmng_error.h"
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#include "libmng_trace.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "libmng_objects.h"
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#include "libmng_object_prc.h"
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#include "libmng_chunks.h"
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#ifdef MNG_CHECK_BAD_ICCP
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#include "libmng_chunk_prc.h"
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#endif
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#include "libmng_memory.h"
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#include "libmng_display.h"
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#include "libmng_zlib.h"
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#include "libmng_pixels.h"
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#include "libmng_chunk_io.h"
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#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
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#pragma option -A /* force ANSI-C */
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#endif
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/* ************************************************************************** */
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/* * * */
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/* * CRC - Cyclic Redundancy Check * */
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/* * * */
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/* * The code below is taken directly from the sample provided with the * */
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/* * PNG specification. * */
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/* * (it is only adapted to the library's internal data-definitions) * */
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/* * * */
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/* ************************************************************************** */
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|
275 |
/* Make the table for a fast CRC. */
|
|
|
276 |
#ifndef MNG_USE_ZLIB_CRC
|
|
|
277 |
MNG_LOCAL void make_crc_table (mng_datap pData)
|
|
|
278 |
{
|
|
|
279 |
mng_uint32 iC;
|
|
|
280 |
mng_int32 iN, iK;
|
|
|
281 |
|
|
|
282 |
for (iN = 0; iN < 256; iN++)
|
|
|
283 |
{
|
|
|
284 |
iC = (mng_uint32) iN;
|
|
|
285 |
|
|
|
286 |
for (iK = 0; iK < 8; iK++)
|
|
|
287 |
{
|
|
|
288 |
if (iC & 1)
|
|
|
289 |
iC = 0xedb88320U ^ (iC >> 1);
|
|
|
290 |
else
|
|
|
291 |
iC = iC >> 1;
|
|
|
292 |
}
|
|
|
293 |
|
|
|
294 |
pData->aCRCtable [iN] = iC;
|
|
|
295 |
}
|
|
|
296 |
|
|
|
297 |
pData->bCRCcomputed = MNG_TRUE;
|
|
|
298 |
}
|
|
|
299 |
#endif
|
|
|
300 |
|
|
|
301 |
/* Update a running CRC with the bytes buf[0..len-1]--the CRC
|
|
|
302 |
should be initialized to all 1's, and the transmitted value
|
|
|
303 |
is the 1's complement of the final running CRC (see the
|
|
|
304 |
crc() routine below). */
|
|
|
305 |
|
|
|
306 |
MNG_LOCAL mng_uint32 update_crc (mng_datap pData,
|
|
|
307 |
mng_uint32 iCrc,
|
|
|
308 |
mng_uint8p pBuf,
|
|
|
309 |
mng_int32 iLen)
|
|
|
310 |
{
|
|
|
311 |
#ifdef MNG_USE_ZLIB_CRC
|
|
|
312 |
return crc32 (iCrc, pBuf, iLen);
|
|
|
313 |
#else
|
|
|
314 |
mng_uint32 iC = iCrc;
|
|
|
315 |
mng_int32 iN;
|
|
|
316 |
|
|
|
317 |
if (!pData->bCRCcomputed)
|
|
|
318 |
make_crc_table (pData);
|
|
|
319 |
|
|
|
320 |
for (iN = 0; iN < iLen; iN++)
|
|
|
321 |
iC = pData->aCRCtable [(iC ^ pBuf [iN]) & 0xff] ^ (iC >> 8);
|
|
|
322 |
|
|
|
323 |
return iC;
|
|
|
324 |
#endif
|
|
|
325 |
}
|
|
|
326 |
|
|
|
327 |
/* Return the CRC of the bytes buf[0..len-1]. */
|
|
|
328 |
mng_uint32 mng_crc (mng_datap pData,
|
|
|
329 |
mng_uint8p pBuf,
|
|
|
330 |
mng_int32 iLen)
|
|
|
331 |
{
|
|
|
332 |
#ifdef MNG_USE_ZLIB_CRC
|
|
|
333 |
return update_crc (pData, 0, pBuf, iLen);
|
|
|
334 |
#else
|
|
|
335 |
return update_crc (pData, 0xffffffffU, pBuf, iLen) ^ 0xffffffffU;
|
|
|
336 |
#endif
|
|
|
337 |
}
|
|
|
338 |
|
|
|
339 |
/* ************************************************************************** */
|
|
|
340 |
/* * * */
|
|
|
341 |
/* * Routines for swapping byte-order from and to graphic files * */
|
|
|
342 |
/* * (This code is adapted from the libpng package) * */
|
|
|
343 |
/* * * */
|
|
|
344 |
/* ************************************************************************** */
|
|
|
345 |
|
|
|
346 |
#ifndef MNG_BIGENDIAN_SUPPORTED
|
|
|
347 |
|
|
|
348 |
/* ************************************************************************** */
|
|
|
349 |
|
|
|
350 |
mng_uint32 mng_get_uint32 (mng_uint8p pBuf)
|
|
|
351 |
{
|
|
|
352 |
mng_uint32 i = ((mng_uint32)(*pBuf) << 24) +
|
|
|
353 |
((mng_uint32)(*(pBuf + 1)) << 16) +
|
|
|
354 |
((mng_uint32)(*(pBuf + 2)) << 8) +
|
|
|
355 |
(mng_uint32)(*(pBuf + 3));
|
|
|
356 |
return (i);
|
|
|
357 |
}
|
|
|
358 |
|
|
|
359 |
/* ************************************************************************** */
|
|
|
360 |
|
|
|
361 |
mng_int32 mng_get_int32 (mng_uint8p pBuf)
|
|
|
362 |
{
|
|
|
363 |
mng_int32 i = ((mng_int32)(*pBuf) << 24) +
|
|
|
364 |
((mng_int32)(*(pBuf + 1)) << 16) +
|
|
|
365 |
((mng_int32)(*(pBuf + 2)) << 8) +
|
|
|
366 |
(mng_int32)(*(pBuf + 3));
|
|
|
367 |
return (i);
|
|
|
368 |
}
|
|
|
369 |
|
|
|
370 |
/* ************************************************************************** */
|
|
|
371 |
|
|
|
372 |
mng_uint16 mng_get_uint16 (mng_uint8p pBuf)
|
|
|
373 |
{
|
|
|
374 |
mng_uint16 i = (mng_uint16)(((mng_uint16)(*pBuf) << 8) +
|
|
|
375 |
(mng_uint16)(*(pBuf + 1)));
|
|
|
376 |
return (i);
|
|
|
377 |
}
|
|
|
378 |
|
|
|
379 |
/* ************************************************************************** */
|
|
|
380 |
|
|
|
381 |
void mng_put_uint32 (mng_uint8p pBuf,
|
|
|
382 |
mng_uint32 i)
|
|
|
383 |
{
|
|
|
384 |
*pBuf = (mng_uint8)((i >> 24) & 0xff);
|
|
|
385 |
*(pBuf+1) = (mng_uint8)((i >> 16) & 0xff);
|
|
|
386 |
*(pBuf+2) = (mng_uint8)((i >> 8) & 0xff);
|
|
|
387 |
*(pBuf+3) = (mng_uint8)(i & 0xff);
|
|
|
388 |
}
|
|
|
389 |
|
|
|
390 |
/* ************************************************************************** */
|
|
|
391 |
|
|
|
392 |
void mng_put_int32 (mng_uint8p pBuf,
|
|
|
393 |
mng_int32 i)
|
|
|
394 |
{
|
|
|
395 |
*pBuf = (mng_uint8)((i >> 24) & 0xff);
|
|
|
396 |
*(pBuf+1) = (mng_uint8)((i >> 16) & 0xff);
|
|
|
397 |
*(pBuf+2) = (mng_uint8)((i >> 8) & 0xff);
|
|
|
398 |
*(pBuf+3) = (mng_uint8)(i & 0xff);
|
|
|
399 |
}
|
|
|
400 |
|
|
|
401 |
/* ************************************************************************** */
|
|
|
402 |
|
|
|
403 |
void mng_put_uint16 (mng_uint8p pBuf,
|
|
|
404 |
mng_uint16 i)
|
|
|
405 |
{
|
|
|
406 |
*pBuf = (mng_uint8)((i >> 8) & 0xff);
|
|
|
407 |
*(pBuf+1) = (mng_uint8)(i & 0xff);
|
|
|
408 |
}
|
|
|
409 |
|
|
|
410 |
/* ************************************************************************** */
|
|
|
411 |
|
|
|
412 |
#endif /* !MNG_BIGENDIAN_SUPPORTED */
|
|
|
413 |
|
|
|
414 |
/* ************************************************************************** */
|
|
|
415 |
/* * * */
|
|
|
416 |
/* * Helper routines to simplify chunk-data extraction * */
|
|
|
417 |
/* * * */
|
|
|
418 |
/* ************************************************************************** */
|
|
|
419 |
|
|
|
420 |
#ifdef MNG_INCLUDE_READ_PROCS
|
|
|
421 |
|
|
|
422 |
/* ************************************************************************** */
|
|
|
423 |
|
|
|
424 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
425 |
MNG_LOCAL mng_uint8p find_null (mng_uint8p pIn)
|
|
|
426 |
{
|
|
|
427 |
mng_uint8p pOut = pIn;
|
|
|
428 |
while (*pOut) /* the read_graphic routine has made sure there's */
|
|
|
429 |
pOut++; /* always at least 1 zero-byte in the buffer */
|
|
|
430 |
return pOut;
|
|
|
431 |
}
|
|
|
432 |
#endif
|
|
|
433 |
|
|
|
434 |
/* ************************************************************************** */
|
|
|
435 |
|
|
|
436 |
#if !defined(MNG_SKIPCHUNK_iCCP) || !defined(MNG_SKIPCHUNK_zTXt) || \
|
|
|
437 |
!defined(MNG_SKIPCHUNK_iTXt) || defined(MNG_INCLUDE_MPNG_PROPOSAL) || \
|
|
|
438 |
defined(MNG_INCLUDE_ANG_PROPOSAL)
|
|
|
439 |
mng_retcode mng_inflate_buffer (mng_datap pData,
|
|
|
440 |
mng_uint8p pInbuf,
|
|
|
441 |
mng_uint32 iInsize,
|
|
|
442 |
mng_uint8p *pOutbuf,
|
|
|
443 |
mng_uint32 *iOutsize,
|
|
|
444 |
mng_uint32 *iRealsize)
|
|
|
445 |
{
|
|
|
446 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
447 |
|
|
|
448 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
449 |
MNG_TRACE (pData, MNG_FN_INFLATE_BUFFER, MNG_LC_START);
|
|
|
450 |
#endif
|
|
|
451 |
|
|
|
452 |
if (iInsize) /* anything to do ? */
|
|
|
453 |
{
|
|
|
454 |
*iOutsize = iInsize * 3; /* estimate uncompressed size */
|
|
|
455 |
/* and allocate a temporary buffer */
|
|
|
456 |
MNG_ALLOC (pData, *pOutbuf, *iOutsize);
|
|
|
457 |
|
|
|
458 |
do
|
|
|
459 |
{
|
|
|
460 |
mngzlib_inflateinit (pData); /* initialize zlib */
|
|
|
461 |
/* let zlib know where to store the output */
|
|
|
462 |
pData->sZlib.next_out = *pOutbuf;
|
|
|
463 |
/* "size - 1" so we've got space for the
|
|
|
464 |
zero-termination of a possible string */
|
|
|
465 |
pData->sZlib.avail_out = *iOutsize - 1;
|
|
|
466 |
/* ok; let's inflate... */
|
|
|
467 |
iRetcode = mngzlib_inflatedata (pData, iInsize, pInbuf);
|
|
|
468 |
/* determine actual output size */
|
|
|
469 |
*iRealsize = (mng_uint32)pData->sZlib.total_out;
|
|
|
470 |
|
|
|
471 |
mngzlib_inflatefree (pData); /* zlib's done */
|
|
|
472 |
|
|
|
473 |
if (iRetcode == MNG_BUFOVERFLOW) /* not enough space ? */
|
|
|
474 |
{ /* then get some more */
|
|
|
475 |
MNG_FREEX (pData, *pOutbuf, *iOutsize);
|
|
|
476 |
*iOutsize = *iOutsize + *iOutsize;
|
|
|
477 |
MNG_ALLOC (pData, *pOutbuf, *iOutsize);
|
|
|
478 |
}
|
|
|
479 |
} /* repeat if we didn't have enough space */
|
|
|
480 |
while ((iRetcode == MNG_BUFOVERFLOW) &&
|
|
|
481 |
(*iOutsize < 200 * iInsize));
|
|
|
482 |
|
|
|
483 |
if (!iRetcode) /* if oke ? */
|
|
|
484 |
*((*pOutbuf) + *iRealsize) = 0; /* then put terminator zero */
|
|
|
485 |
|
|
|
486 |
}
|
|
|
487 |
else
|
|
|
488 |
{
|
|
|
489 |
*pOutbuf = 0; /* nothing to do; then there's no output */
|
|
|
490 |
*iOutsize = 0;
|
|
|
491 |
*iRealsize = 0;
|
|
|
492 |
}
|
|
|
493 |
|
|
|
494 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
495 |
MNG_TRACE (pData, MNG_FN_INFLATE_BUFFER, MNG_LC_END);
|
|
|
496 |
#endif
|
|
|
497 |
|
|
|
498 |
return iRetcode;
|
|
|
499 |
}
|
|
|
500 |
#endif
|
|
|
501 |
|
|
|
502 |
/* ************************************************************************** */
|
|
|
503 |
|
|
|
504 |
#endif /* MNG_INCLUDE_READ_PROCS */
|
|
|
505 |
|
|
|
506 |
/* ************************************************************************** */
|
|
|
507 |
/* * * */
|
|
|
508 |
/* * Helper routines to simplify chunk writing * */
|
|
|
509 |
/* * * */
|
|
|
510 |
/* ************************************************************************** */
|
|
|
511 |
#ifdef MNG_INCLUDE_WRITE_PROCS
|
|
|
512 |
/* ************************************************************************** */
|
|
|
513 |
|
|
|
514 |
#if !defined(MNG_SKIPCHUNK_iCCP) || !defined(MNG_SKIPCHUNK_zTXt) || !defined(MNG_SKIPCHUNK_iTXt)
|
|
|
515 |
MNG_LOCAL mng_retcode deflate_buffer (mng_datap pData,
|
|
|
516 |
mng_uint8p pInbuf,
|
|
|
517 |
mng_uint32 iInsize,
|
|
|
518 |
mng_uint8p *pOutbuf,
|
|
|
519 |
mng_uint32 *iOutsize,
|
|
|
520 |
mng_uint32 *iRealsize)
|
|
|
521 |
{
|
|
|
522 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
523 |
|
|
|
524 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
525 |
MNG_TRACE (pData, MNG_FN_DEFLATE_BUFFER, MNG_LC_START);
|
|
|
526 |
#endif
|
|
|
527 |
|
|
|
528 |
if (iInsize) /* anything to do ? */
|
|
|
529 |
{
|
|
|
530 |
*iOutsize = (iInsize * 5) >> 2; /* estimate compressed size */
|
|
|
531 |
/* and allocate a temporary buffer */
|
|
|
532 |
MNG_ALLOC (pData, *pOutbuf, *iOutsize);
|
|
|
533 |
|
|
|
534 |
do
|
|
|
535 |
{
|
|
|
536 |
mngzlib_deflateinit (pData); /* initialize zlib */
|
|
|
537 |
/* let zlib know where to store the output */
|
|
|
538 |
pData->sZlib.next_out = *pOutbuf;
|
|
|
539 |
pData->sZlib.avail_out = *iOutsize;
|
|
|
540 |
/* ok; let's deflate... */
|
|
|
541 |
iRetcode = mngzlib_deflatedata (pData, iInsize, pInbuf);
|
|
|
542 |
/* determine actual output size */
|
|
|
543 |
*iRealsize = pData->sZlib.total_out;
|
|
|
544 |
|
|
|
545 |
mngzlib_deflatefree (pData); /* zlib's done */
|
|
|
546 |
|
|
|
547 |
if (iRetcode == MNG_BUFOVERFLOW) /* not enough space ? */
|
|
|
548 |
{ /* then get some more */
|
|
|
549 |
MNG_FREEX (pData, *pOutbuf, *iOutsize);
|
|
|
550 |
*iOutsize = *iOutsize + (iInsize >> 1);
|
|
|
551 |
MNG_ALLOC (pData, *pOutbuf, *iOutsize);
|
|
|
552 |
}
|
|
|
553 |
} /* repeat if we didn't have enough space */
|
|
|
554 |
while (iRetcode == MNG_BUFOVERFLOW);
|
|
|
555 |
}
|
|
|
556 |
else
|
|
|
557 |
{
|
|
|
558 |
*pOutbuf = 0; /* nothing to do; then there's no output */
|
|
|
559 |
*iOutsize = 0;
|
|
|
560 |
*iRealsize = 0;
|
|
|
561 |
}
|
|
|
562 |
|
|
|
563 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
564 |
MNG_TRACE (pData, MNG_FN_DEFLATE_BUFFER, MNG_LC_END);
|
|
|
565 |
#endif
|
|
|
566 |
|
|
|
567 |
return iRetcode;
|
|
|
568 |
}
|
|
|
569 |
#endif
|
|
|
570 |
|
|
|
571 |
/* ************************************************************************** */
|
|
|
572 |
|
|
|
573 |
MNG_LOCAL mng_retcode write_raw_chunk (mng_datap pData,
|
|
|
574 |
mng_chunkid iChunkname,
|
|
|
575 |
mng_uint32 iRawlen,
|
|
|
576 |
mng_uint8p pRawdata)
|
|
|
577 |
{
|
|
|
578 |
mng_uint32 iCrc;
|
|
|
579 |
mng_uint32 iWritten;
|
|
|
580 |
|
|
|
581 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
582 |
MNG_TRACE (pData, MNG_FN_WRITE_RAW_CHUNK, MNG_LC_START);
|
|
|
583 |
#endif
|
|
|
584 |
/* temporary buffer ? */
|
|
|
585 |
if ((pRawdata != 0) && (pRawdata != pData->pWritebuf+8))
|
|
|
586 |
{ /* store length & chunktype in default buffer */
|
|
|
587 |
mng_put_uint32 (pData->pWritebuf, iRawlen);
|
|
|
588 |
mng_put_uint32 (pData->pWritebuf+4, (mng_uint32)iChunkname);
|
|
|
589 |
|
|
|
590 |
if (pData->iCrcmode & MNG_CRC_OUTPUT)
|
|
|
591 |
{
|
|
|
592 |
if ((pData->iCrcmode & MNG_CRC_OUTPUT) == MNG_CRC_OUTPUT_GENERATE)
|
|
|
593 |
{ /* calculate the crc */
|
|
|
594 |
iCrc = update_crc (pData, 0xffffffffL, pData->pWritebuf+4, 4);
|
|
|
595 |
iCrc = update_crc (pData, iCrc, pRawdata, iRawlen) ^ 0xffffffffL;
|
|
|
596 |
} else {
|
|
|
597 |
iCrc = 0; /* dummy crc */
|
|
|
598 |
} /* store in default buffer */
|
|
|
599 |
mng_put_uint32 (pData->pWritebuf+8, iCrc);
|
|
|
600 |
}
|
|
|
601 |
/* write the length & chunktype */
|
|
|
602 |
if (!pData->fWritedata ((mng_handle)pData, pData->pWritebuf, 8, &iWritten))
|
|
|
603 |
MNG_ERROR (pData, MNG_APPIOERROR);
|
|
|
604 |
|
|
|
605 |
if (iWritten != 8) /* disk full ? */
|
|
|
606 |
MNG_ERROR (pData, MNG_OUTPUTERROR);
|
|
|
607 |
/* write the temporary buffer */
|
|
|
608 |
if (!pData->fWritedata ((mng_handle)pData, pRawdata, iRawlen, &iWritten))
|
|
|
609 |
MNG_ERROR (pData, MNG_APPIOERROR);
|
|
|
610 |
|
|
|
611 |
if (iWritten != iRawlen) /* disk full ? */
|
|
|
612 |
MNG_ERROR (pData, MNG_OUTPUTERROR);
|
|
|
613 |
|
|
|
614 |
if (pData->iCrcmode & MNG_CRC_OUTPUT)
|
|
|
615 |
{ /* write the crc */
|
|
|
616 |
if (!pData->fWritedata ((mng_handle)pData, pData->pWritebuf+8, 4, &iWritten))
|
|
|
617 |
MNG_ERROR (pData, MNG_APPIOERROR);
|
|
|
618 |
|
|
|
619 |
if (iWritten != 4) /* disk full ? */
|
|
|
620 |
MNG_ERROR (pData, MNG_OUTPUTERROR);
|
|
|
621 |
}
|
|
|
622 |
}
|
|
|
623 |
else
|
|
|
624 |
{ /* prefix with length & chunktype */
|
|
|
625 |
mng_put_uint32 (pData->pWritebuf, iRawlen);
|
|
|
626 |
mng_put_uint32 (pData->pWritebuf+4, (mng_uint32)iChunkname);
|
|
|
627 |
|
|
|
628 |
if (pData->iCrcmode & MNG_CRC_OUTPUT)
|
|
|
629 |
{
|
|
|
630 |
if ((pData->iCrcmode & MNG_CRC_OUTPUT) == MNG_CRC_OUTPUT_GENERATE)
|
|
|
631 |
/* calculate the crc */
|
|
|
632 |
iCrc = mng_crc (pData, pData->pWritebuf+4, iRawlen + 4);
|
|
|
633 |
else
|
|
|
634 |
iCrc = 0; /* dummy crc */
|
|
|
635 |
/* add it to the buffer */
|
|
|
636 |
mng_put_uint32 (pData->pWritebuf + iRawlen + 8, iCrc);
|
|
|
637 |
/* write it in a single pass */
|
|
|
638 |
if (!pData->fWritedata ((mng_handle)pData, pData->pWritebuf, iRawlen + 12, &iWritten))
|
|
|
639 |
MNG_ERROR (pData, MNG_APPIOERROR);
|
|
|
640 |
|
|
|
641 |
if (iWritten != iRawlen + 12) /* disk full ? */
|
|
|
642 |
MNG_ERROR (pData, MNG_OUTPUTERROR);
|
|
|
643 |
} else {
|
|
|
644 |
if (!pData->fWritedata ((mng_handle)pData, pData->pWritebuf, iRawlen + 8, &iWritten))
|
|
|
645 |
MNG_ERROR (pData, MNG_APPIOERROR);
|
|
|
646 |
|
|
|
647 |
if (iWritten != iRawlen + 8) /* disk full ? */
|
|
|
648 |
MNG_ERROR (pData, MNG_OUTPUTERROR);
|
|
|
649 |
}
|
|
|
650 |
}
|
|
|
651 |
|
|
|
652 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
653 |
MNG_TRACE (pData, MNG_FN_WRITE_RAW_CHUNK, MNG_LC_END);
|
|
|
654 |
#endif
|
|
|
655 |
|
|
|
656 |
return MNG_NOERROR;
|
|
|
657 |
}
|
|
|
658 |
|
|
|
659 |
/* ************************************************************************** */
|
|
|
660 |
/* B004 */
|
|
|
661 |
#endif /* MNG_INCLUDE_WRITE_PROCS */
|
|
|
662 |
/* B004 */
|
|
|
663 |
/* ************************************************************************** */
|
|
|
664 |
/* * * */
|
|
|
665 |
/* * chunk read functions * */
|
|
|
666 |
/* * * */
|
|
|
667 |
/* ************************************************************************** */
|
|
|
668 |
|
|
|
669 |
#ifdef MNG_INCLUDE_READ_PROCS
|
|
|
670 |
|
|
|
671 |
/* ************************************************************************** */
|
|
|
672 |
|
|
|
673 |
#ifdef MNG_OPTIMIZE_CHUNKREADER
|
|
|
674 |
|
|
|
675 |
/* ************************************************************************** */
|
|
|
676 |
|
|
|
677 |
MNG_LOCAL mng_retcode create_chunk_storage (mng_datap pData,
|
|
|
678 |
mng_chunkp pHeader,
|
|
|
679 |
mng_uint32 iRawlen,
|
|
|
680 |
mng_uint8p pRawdata,
|
|
|
681 |
mng_field_descp pField,
|
|
|
682 |
mng_uint16 iFields,
|
|
|
683 |
mng_chunkp* ppChunk,
|
|
|
684 |
mng_bool bWorkcopy)
|
|
|
685 |
{
|
|
|
686 |
mng_field_descp pTempfield = pField;
|
|
|
687 |
mng_uint16 iFieldcount = iFields;
|
|
|
688 |
mng_uint8p pTempdata = pRawdata;
|
|
|
689 |
mng_uint32 iTemplen = iRawlen;
|
|
|
690 |
mng_uint16 iLastgroup = 0;
|
|
|
691 |
mng_uint8p pChunkdata;
|
|
|
692 |
mng_uint32 iDatalen;
|
|
|
693 |
mng_uint8 iColortype;
|
|
|
694 |
mng_bool bProcess;
|
|
|
695 |
/* initialize storage */
|
|
|
696 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
697 |
if (iRetcode) /* on error bail out */
|
|
|
698 |
return iRetcode;
|
|
|
699 |
|
|
|
700 |
if (((mng_chunk_headerp)(*ppChunk))->iChunkname == MNG_UINT_HUH)
|
|
|
701 |
((mng_chunk_headerp)(*ppChunk))->iChunkname = pData->iChunkname;
|
|
|
702 |
|
|
|
703 |
if ((!bWorkcopy) ||
|
|
|
704 |
((((mng_chunk_headerp)pHeader)->iChunkname != MNG_UINT_IDAT) &&
|
|
|
705 |
(((mng_chunk_headerp)pHeader)->iChunkname != MNG_UINT_JDAT) &&
|
|
|
706 |
(((mng_chunk_headerp)pHeader)->iChunkname != MNG_UINT_JDAA) ))
|
|
|
707 |
{
|
|
|
708 |
pChunkdata = (mng_uint8p)(*ppChunk);
|
|
|
709 |
|
|
|
710 |
#ifdef MNG_INCLUDE_JNG /* determine current colortype */
|
|
|
711 |
if (pData->bHasJHDR)
|
|
|
712 |
iColortype = (mng_uint8)(pData->iJHDRcolortype - 8);
|
|
|
713 |
else
|
|
|
714 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
715 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
716 |
iColortype = pData->iColortype;
|
|
|
717 |
else
|
|
|
718 |
iColortype = 6;
|
|
|
719 |
|
|
|
720 |
if (iTemplen) /* not empty ? */
|
|
|
721 |
{ /* then go fill the fields */
|
|
|
722 |
while ((iFieldcount) && (iTemplen))
|
|
|
723 |
{
|
|
|
724 |
if (pTempfield->iOffsetchunk)
|
|
|
725 |
{
|
|
|
726 |
if (pTempfield->iFlags & MNG_FIELD_PUTIMGTYPE)
|
|
|
727 |
{
|
|
|
728 |
*(pChunkdata+pTempfield->iOffsetchunk) = iColortype;
|
|
|
729 |
bProcess = MNG_FALSE;
|
|
|
730 |
}
|
|
|
731 |
else
|
|
|
732 |
if (pTempfield->iFlags & MNG_FIELD_IFIMGTYPES)
|
|
|
733 |
bProcess = (mng_bool)(((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE0) && (iColortype == 0)) ||
|
|
|
734 |
((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE2) && (iColortype == 2)) ||
|
|
|
735 |
((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE3) && (iColortype == 3)) ||
|
|
|
736 |
((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE4) && (iColortype == 4)) ||
|
|
|
737 |
((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE6) && (iColortype == 6)) );
|
|
|
738 |
else
|
|
|
739 |
bProcess = MNG_TRUE;
|
|
|
740 |
|
|
|
741 |
if (bProcess)
|
|
|
742 |
{
|
|
|
743 |
iLastgroup = (mng_uint16)(pTempfield->iFlags & MNG_FIELD_GROUPMASK);
|
|
|
744 |
/* numeric field ? */
|
|
|
745 |
if (pTempfield->iFlags & MNG_FIELD_INT)
|
|
|
746 |
{
|
|
|
747 |
if (iTemplen < pTempfield->iLengthmax)
|
|
|
748 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
749 |
|
|
|
750 |
switch (pTempfield->iLengthmax)
|
|
|
751 |
{
|
|
|
752 |
case 1 : { mng_uint8 iNum = *pTempdata;
|
|
|
753 |
if (((mng_uint16)iNum < pTempfield->iMinvalue) ||
|
|
|
754 |
((mng_uint16)iNum > pTempfield->iMaxvalue) )
|
|
|
755 |
MNG_ERROR (pData, MNG_INVALIDFIELDVAL);
|
|
|
756 |
*(pChunkdata+pTempfield->iOffsetchunk) = iNum;
|
|
|
757 |
break; }
|
|
|
758 |
case 2 : { mng_uint16 iNum = mng_get_uint16 (pTempdata);
|
|
|
759 |
if ((iNum < pTempfield->iMinvalue) || (iNum > pTempfield->iMaxvalue))
|
|
|
760 |
MNG_ERROR (pData, MNG_INVALIDFIELDVAL);
|
|
|
761 |
*((mng_uint16p)(pChunkdata+pTempfield->iOffsetchunk)) = iNum;
|
|
|
762 |
break; }
|
|
|
763 |
case 4 : { mng_uint32 iNum = mng_get_uint32 (pTempdata);
|
|
|
764 |
if ((iNum < pTempfield->iMinvalue) ||
|
|
|
765 |
((pTempfield->iFlags & MNG_FIELD_NOHIGHBIT) && (iNum & 0x80000000)) )
|
|
|
766 |
MNG_ERROR (pData, MNG_INVALIDFIELDVAL);
|
|
|
767 |
*((mng_uint32p)(pChunkdata+pTempfield->iOffsetchunk)) = iNum;
|
|
|
768 |
break; }
|
|
|
769 |
}
|
|
|
770 |
|
|
|
771 |
pTempdata += pTempfield->iLengthmax;
|
|
|
772 |
iTemplen -= pTempfield->iLengthmax;
|
|
|
773 |
|
|
|
774 |
} else { /* not numeric so it's a bunch of bytes */
|
|
|
775 |
|
|
|
776 |
if (!pTempfield->iOffsetchunklen) /* big fat NONO */
|
|
|
777 |
MNG_ERROR (pData, MNG_INTERNALERROR);
|
|
|
778 |
/* with terminating 0 ? */
|
|
|
779 |
if (pTempfield->iFlags & MNG_FIELD_TERMINATOR)
|
|
|
780 |
{
|
|
|
781 |
mng_uint8p pWork = pTempdata;
|
|
|
782 |
while (*pWork) /* find the zero */
|
|
|
783 |
pWork++;
|
|
|
784 |
iDatalen = (mng_uint32)(pWork - pTempdata);
|
|
|
785 |
} else { /* no terminator, so everything that's left ! */
|
|
|
786 |
iDatalen = iTemplen;
|
|
|
787 |
}
|
|
|
788 |
|
|
|
789 |
if ((pTempfield->iLengthmax) && (iDatalen > pTempfield->iLengthmax))
|
|
|
790 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
791 |
#if !defined(MNG_SKIPCHUNK_iCCP) || !defined(MNG_SKIPCHUNK_zTXt) || \
|
|
|
792 |
!defined(MNG_SKIPCHUNK_iTXt) || defined(MNG_INCLUDE_MPNG_PROPOSAL) || \
|
|
|
793 |
defined(MNG_INCLUDE_ANG_PROPOSAL)
|
|
|
794 |
/* needs decompression ? */
|
|
|
795 |
if (pTempfield->iFlags & MNG_FIELD_DEFLATED)
|
|
|
796 |
{
|
|
|
797 |
mng_uint8p pBuf = 0;
|
|
|
798 |
mng_uint32 iBufsize = 0;
|
|
|
799 |
mng_uint32 iRealsize;
|
|
|
800 |
mng_ptr pWork;
|
|
|
801 |
|
|
|
802 |
iRetcode = mng_inflate_buffer (pData, pTempdata, iDatalen,
|
|
|
803 |
&pBuf, &iBufsize, &iRealsize);
|
|
|
804 |
|
|
|
805 |
#ifdef MNG_CHECK_BAD_ICCP /* Check for bad iCCP chunk */
|
|
|
806 |
if ((iRetcode) && (((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_iCCP))
|
|
|
807 |
{
|
|
|
808 |
*((mng_ptr *)(pChunkdata+pTempfield->iOffsetchunk)) = MNG_NULL;
|
|
|
809 |
*((mng_uint32p)(pChunkdata+pTempfield->iOffsetchunklen)) = iDatalen;
|
|
|
810 |
}
|
|
|
811 |
else
|
|
|
812 |
#endif
|
|
|
813 |
{
|
|
|
814 |
if (iRetcode)
|
|
|
815 |
return iRetcode;
|
|
|
816 |
|
|
|
817 |
#if defined(MNG_INCLUDE_MPNG_PROPOSAL) || defined(MNG_INCLUDE_ANG_PROPOSAL)
|
|
|
818 |
if ( (((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_mpNG) ||
|
|
|
819 |
(((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_adAT) )
|
|
|
820 |
{
|
|
|
821 |
MNG_ALLOC (pData, pWork, iRealsize);
|
|
|
822 |
}
|
|
|
823 |
else
|
|
|
824 |
{
|
|
|
825 |
#endif
|
|
|
826 |
/* don't forget to generate null terminator */
|
|
|
827 |
MNG_ALLOC (pData, pWork, iRealsize+1);
|
|
|
828 |
#if defined(MNG_INCLUDE_MPNG_PROPOSAL) || defined(MNG_INCLUDE_ANG_PROPOSAL)
|
|
|
829 |
}
|
|
|
830 |
#endif
|
|
|
831 |
MNG_COPY (pWork, pBuf, iRealsize);
|
|
|
832 |
|
|
|
833 |
*((mng_ptr *)(pChunkdata+pTempfield->iOffsetchunk)) = pWork;
|
|
|
834 |
*((mng_uint32p)(pChunkdata+pTempfield->iOffsetchunklen)) = iRealsize;
|
|
|
835 |
}
|
|
|
836 |
|
|
|
837 |
if (pBuf) /* free the temporary buffer */
|
|
|
838 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
839 |
|
|
|
840 |
} else
|
|
|
841 |
#endif
|
|
|
842 |
{ /* no decompression, so just copy */
|
|
|
843 |
|
|
|
844 |
mng_ptr pWork;
|
|
|
845 |
/* don't forget to generate null terminator */
|
|
|
846 |
MNG_ALLOC (pData, pWork, iDatalen+1);
|
|
|
847 |
MNG_COPY (pWork, pTempdata, iDatalen);
|
|
|
848 |
|
|
|
849 |
*((mng_ptr *)(pChunkdata+pTempfield->iOffsetchunk)) = pWork;
|
|
|
850 |
*((mng_uint32p)(pChunkdata+pTempfield->iOffsetchunklen)) = iDatalen;
|
|
|
851 |
}
|
|
|
852 |
|
|
|
853 |
if (pTempfield->iFlags & MNG_FIELD_TERMINATOR)
|
|
|
854 |
iDatalen++; /* skip the terminating zero as well !!! */
|
|
|
855 |
|
|
|
856 |
iTemplen -= iDatalen;
|
|
|
857 |
pTempdata += iDatalen;
|
|
|
858 |
}
|
|
|
859 |
/* need to set an indicator ? */
|
|
|
860 |
if (pTempfield->iOffsetchunkind)
|
|
|
861 |
*((mng_uint8p)(pChunkdata+pTempfield->iOffsetchunkind)) = MNG_TRUE;
|
|
|
862 |
}
|
|
|
863 |
}
|
|
|
864 |
|
|
|
865 |
if (pTempfield->pSpecialfunc) /* special function required ? */
|
|
|
866 |
{
|
|
|
867 |
iRetcode = pTempfield->pSpecialfunc(pData, *ppChunk, &iTemplen, &pTempdata);
|
|
|
868 |
if (iRetcode) /* on error bail out */
|
|
|
869 |
return iRetcode;
|
|
|
870 |
}
|
|
|
871 |
|
|
|
872 |
pTempfield++; /* Neeeeeeexxxtt */
|
|
|
873 |
iFieldcount--;
|
|
|
874 |
}
|
|
|
875 |
|
|
|
876 |
if (iTemplen) /* extra data ??? */
|
|
|
877 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
878 |
|
|
|
879 |
while (iFieldcount) /* not enough data ??? */
|
|
|
880 |
{
|
|
|
881 |
if (pTempfield->iFlags & MNG_FIELD_IFIMGTYPES)
|
|
|
882 |
bProcess = (mng_bool)(((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE0) && (iColortype == 0)) ||
|
|
|
883 |
((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE2) && (iColortype == 2)) ||
|
|
|
884 |
((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE3) && (iColortype == 3)) ||
|
|
|
885 |
((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE4) && (iColortype == 4)) ||
|
|
|
886 |
((pTempfield->iFlags & MNG_FIELD_IFIMGTYPE6) && (iColortype == 6)) );
|
|
|
887 |
else
|
|
|
888 |
bProcess = MNG_TRUE;
|
|
|
889 |
|
|
|
890 |
if (bProcess)
|
|
|
891 |
{
|
|
|
892 |
if (!(pTempfield->iFlags & MNG_FIELD_OPTIONAL))
|
|
|
893 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
894 |
if ((pTempfield->iFlags & MNG_FIELD_GROUPMASK) &&
|
|
|
895 |
((mng_uint16)(pTempfield->iFlags & MNG_FIELD_GROUPMASK) == iLastgroup))
|
|
|
896 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
897 |
}
|
|
|
898 |
|
|
|
899 |
pTempfield++;
|
|
|
900 |
iFieldcount--;
|
|
|
901 |
}
|
|
|
902 |
}
|
|
|
903 |
}
|
|
|
904 |
|
|
|
905 |
return MNG_NOERROR;
|
|
|
906 |
}
|
|
|
907 |
|
|
|
908 |
/* ************************************************************************** */
|
|
|
909 |
|
|
|
910 |
READ_CHUNK (mng_read_general)
|
|
|
911 |
{
|
|
|
912 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
913 |
mng_chunk_descp pDescr = ((mng_chunk_headerp)pHeader)->pChunkdescr;
|
|
|
914 |
mng_field_descp pField;
|
|
|
915 |
mng_uint16 iFields;
|
|
|
916 |
|
|
|
917 |
if (!pDescr) /* this is a bad booboo !!! */
|
|
|
918 |
MNG_ERROR (pData, MNG_INTERNALERROR);
|
|
|
919 |
|
|
|
920 |
pField = pDescr->pFielddesc;
|
|
|
921 |
iFields = pDescr->iFielddesc;
|
|
|
922 |
/* check chunk against signature */
|
|
|
923 |
if ((pDescr->eImgtype == mng_it_mng) && (pData->eSigtype != mng_it_mng))
|
|
|
924 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
|
925 |
|
|
|
926 |
if ((pDescr->eImgtype == mng_it_jng) && (pData->eSigtype == mng_it_png))
|
|
|
927 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
|
928 |
/* empties allowed ? */
|
|
|
929 |
if ((iRawlen == 0) && (!(pDescr->iAllowed & MNG_DESCR_EMPTY)))
|
|
|
930 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
931 |
|
|
|
932 |
if ((pData->eImagetype != mng_it_mng) || (!(pDescr->iAllowed & MNG_DESCR_GLOBAL)))
|
|
|
933 |
{ /* *a* header required ? */
|
|
|
934 |
if ((pDescr->iMusthaves & MNG_DESCR_GenHDR) &&
|
|
|
935 |
#ifdef MNG_INCLUDE_JNG
|
|
|
936 |
(!pData->bHasIHDR) && (!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
937 |
#else
|
|
|
938 |
(!pData->bHasIHDR) && (!pData->bHasBASI) && (!pData->bHasDHDR))
|
|
|
939 |
#endif
|
|
|
940 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
941 |
|
|
|
942 |
#ifdef MNG_INCLUDE_JNG
|
|
|
943 |
if ((pDescr->iMusthaves & MNG_DESCR_JngHDR) &&
|
|
|
944 |
(!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
945 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
946 |
#endif
|
|
|
947 |
}
|
|
|
948 |
/* specific chunk pre-requisite ? */
|
|
|
949 |
if (((pDescr->iMusthaves & MNG_DESCR_IHDR) && (!pData->bHasIHDR)) ||
|
|
|
950 |
#ifdef MNG_INCLUDE_JNG
|
|
|
951 |
((pDescr->iMusthaves & MNG_DESCR_JHDR) && (!pData->bHasJHDR)) ||
|
|
|
952 |
#endif
|
|
|
953 |
((pDescr->iMusthaves & MNG_DESCR_DHDR) && (!pData->bHasDHDR)) ||
|
|
|
954 |
((pDescr->iMusthaves & MNG_DESCR_LOOP) && (!pData->bHasLOOP)) ||
|
|
|
955 |
((pDescr->iMusthaves & MNG_DESCR_PLTE) && (!pData->bHasPLTE)) ||
|
|
|
956 |
((pDescr->iMusthaves & MNG_DESCR_MHDR) && (!pData->bHasMHDR)) ||
|
|
|
957 |
((pDescr->iMusthaves & MNG_DESCR_SAVE) && (!pData->bHasSAVE)) )
|
|
|
958 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
959 |
/* specific chunk undesired ? */
|
|
|
960 |
if (((pDescr->iMustNOThaves & MNG_DESCR_NOIHDR) && (pData->bHasIHDR)) ||
|
|
|
961 |
((pDescr->iMustNOThaves & MNG_DESCR_NOBASI) && (pData->bHasBASI)) ||
|
|
|
962 |
((pDescr->iMustNOThaves & MNG_DESCR_NODHDR) && (pData->bHasDHDR)) ||
|
|
|
963 |
((pDescr->iMustNOThaves & MNG_DESCR_NOIDAT) && (pData->bHasIDAT)) ||
|
|
|
964 |
((pDescr->iMustNOThaves & MNG_DESCR_NOPLTE) && (pData->bHasPLTE)) ||
|
|
|
965 |
#ifdef MNG_INCLUDE_JNG
|
|
|
966 |
((pDescr->iMustNOThaves & MNG_DESCR_NOJHDR) && (pData->bHasJHDR)) ||
|
|
|
967 |
((pDescr->iMustNOThaves & MNG_DESCR_NOJDAT) && (pData->bHasJDAT)) ||
|
|
|
968 |
((pDescr->iMustNOThaves & MNG_DESCR_NOJDAA) && (pData->bHasJDAA)) ||
|
|
|
969 |
((pDescr->iMustNOThaves & MNG_DESCR_NOJSEP) && (pData->bHasJSEP)) ||
|
|
|
970 |
#endif
|
|
|
971 |
((pDescr->iMustNOThaves & MNG_DESCR_NOMHDR) && (pData->bHasMHDR)) ||
|
|
|
972 |
((pDescr->iMustNOThaves & MNG_DESCR_NOLOOP) && (pData->bHasLOOP)) ||
|
|
|
973 |
((pDescr->iMustNOThaves & MNG_DESCR_NOTERM) && (pData->bHasTERM)) ||
|
|
|
974 |
((pDescr->iMustNOThaves & MNG_DESCR_NOSAVE) && (pData->bHasSAVE)) )
|
|
|
975 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
976 |
|
|
|
977 |
if (pData->eSigtype == mng_it_mng) /* check global and embedded empty chunks */
|
|
|
978 |
{
|
|
|
979 |
#ifdef MNG_INCLUDE_JNG
|
|
|
980 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
981 |
#else
|
|
|
982 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
983 |
#endif
|
|
|
984 |
{
|
|
|
985 |
if ((iRawlen == 0) && (!(pDescr->iAllowed & MNG_DESCR_EMPTYEMBED)))
|
|
|
986 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
987 |
} else {
|
|
|
988 |
if ((iRawlen == 0) && (!(pDescr->iAllowed & MNG_DESCR_EMPTYGLOBAL)))
|
|
|
989 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
990 |
}
|
|
|
991 |
}
|
|
|
992 |
|
|
|
993 |
if (pDescr->pSpecialfunc) /* need special processing ? */
|
|
|
994 |
{
|
|
|
995 |
iRetcode = create_chunk_storage (pData, pHeader, iRawlen, pRawdata,
|
|
|
996 |
pField, iFields, ppChunk, MNG_TRUE);
|
|
|
997 |
if (iRetcode) /* on error bail out */
|
|
|
998 |
return iRetcode;
|
|
|
999 |
/* empty indicator ? */
|
|
|
1000 |
if ((!iRawlen) && (pDescr->iOffsetempty))
|
|
|
1001 |
*(((mng_uint8p)*ppChunk)+pDescr->iOffsetempty) = MNG_TRUE;
|
|
|
1002 |
|
|
|
1003 |
iRetcode = pDescr->pSpecialfunc(pData, *ppChunk);
|
|
|
1004 |
if (iRetcode) /* on error bail out */
|
|
|
1005 |
return iRetcode;
|
|
|
1006 |
|
|
|
1007 |
if ((((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_IDAT) ||
|
|
|
1008 |
(((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_JDAT) ||
|
|
|
1009 |
(((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_JDAA) )
|
|
|
1010 |
{
|
|
|
1011 |
iRetcode = ((mng_chunk_headerp)*ppChunk)->fCleanup (pData, *ppChunk);
|
|
|
1012 |
if (iRetcode) /* on error bail out */
|
|
|
1013 |
return iRetcode;
|
|
|
1014 |
*ppChunk = MNG_NULL;
|
|
|
1015 |
} else {
|
|
|
1016 |
#ifdef MNG_STORE_CHUNKS
|
|
|
1017 |
if (!pData->bStorechunks)
|
|
|
1018 |
#endif
|
|
|
1019 |
{
|
|
|
1020 |
iRetcode = ((mng_chunk_headerp)*ppChunk)->fCleanup (pData, *ppChunk);
|
|
|
1021 |
if (iRetcode) /* on error bail out */
|
|
|
1022 |
return iRetcode;
|
|
|
1023 |
*ppChunk = MNG_NULL;
|
|
|
1024 |
}
|
|
|
1025 |
}
|
|
|
1026 |
}
|
|
|
1027 |
|
|
|
1028 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1029 |
if (iRawlen)
|
|
|
1030 |
{
|
|
|
1031 |
#ifdef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
1032 |
pData->iRawlen = iRawlen;
|
|
|
1033 |
pData->pRawdata = pRawdata;
|
|
|
1034 |
#endif
|
|
|
1035 |
|
|
|
1036 |
/* display processing */
|
|
|
1037 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
1038 |
if (((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_IDAT)
|
|
|
1039 |
iRetcode = mng_process_display_idat (pData, iRawlen, pRawdata);
|
|
|
1040 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1041 |
else
|
|
|
1042 |
if (((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_JDAT)
|
|
|
1043 |
iRetcode = mng_process_display_jdat (pData, iRawlen, pRawdata);
|
|
|
1044 |
else
|
|
|
1045 |
if (((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_JDAA)
|
|
|
1046 |
iRetcode = mng_process_display_jdaa (pData, iRawlen, pRawdata);
|
|
|
1047 |
#endif
|
|
|
1048 |
#else
|
|
|
1049 |
if (((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_IDAT)
|
|
|
1050 |
iRetcode = mng_process_display_idat (pData);
|
|
|
1051 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1052 |
else
|
|
|
1053 |
if (((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_JDAT)
|
|
|
1054 |
iRetcode = mng_process_display_jdat (pData);
|
|
|
1055 |
else
|
|
|
1056 |
if (((mng_chunk_headerp)pHeader)->iChunkname == MNG_UINT_JDAA)
|
|
|
1057 |
iRetcode = mng_process_display_jdaa (pData);
|
|
|
1058 |
#endif
|
|
|
1059 |
#endif
|
|
|
1060 |
|
|
|
1061 |
if (iRetcode)
|
|
|
1062 |
return iRetcode;
|
|
|
1063 |
}
|
|
|
1064 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
1065 |
|
|
|
1066 |
#ifdef MNG_STORE_CHUNKS
|
|
|
1067 |
if ((pData->bStorechunks) && (!(*ppChunk)))
|
|
|
1068 |
{
|
|
|
1069 |
iRetcode = create_chunk_storage (pData, pHeader, iRawlen, pRawdata,
|
|
|
1070 |
pField, iFields, ppChunk, MNG_FALSE);
|
|
|
1071 |
if (iRetcode) /* on error bail out */
|
|
|
1072 |
return iRetcode;
|
|
|
1073 |
/* empty indicator ? */
|
|
|
1074 |
if ((!iRawlen) && (pDescr->iOffsetempty))
|
|
|
1075 |
*(((mng_uint8p)*ppChunk)+pDescr->iOffsetempty) = MNG_TRUE;
|
|
|
1076 |
}
|
|
|
1077 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
1078 |
|
|
|
1079 |
return MNG_NOERROR;
|
|
|
1080 |
}
|
|
|
1081 |
|
|
|
1082 |
/* ************************************************************************** */
|
|
|
1083 |
|
|
|
1084 |
#endif /* MNG_OPTIMIZE_CHUNKREADER */
|
|
|
1085 |
|
|
|
1086 |
/* ************************************************************************** */
|
|
|
1087 |
|
|
|
1088 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
1089 |
READ_CHUNK (mng_read_ihdr)
|
|
|
1090 |
{
|
|
|
1091 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1092 |
MNG_TRACE (pData, MNG_FN_READ_IHDR, MNG_LC_START);
|
|
|
1093 |
#endif
|
|
|
1094 |
|
|
|
1095 |
if (iRawlen != 13) /* length oke ? */
|
|
|
1096 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1097 |
/* only allowed inside PNG or MNG */
|
|
|
1098 |
if ((pData->eSigtype != mng_it_png) && (pData->eSigtype != mng_it_mng))
|
|
|
1099 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
|
1100 |
/* sequence checks */
|
|
|
1101 |
if ((pData->eSigtype == mng_it_png) && (pData->iChunkseq > 1))
|
|
|
1102 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1103 |
|
|
|
1104 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1105 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasIDAT) || (pData->bHasJHDR))
|
|
|
1106 |
#else
|
|
|
1107 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasIDAT))
|
|
|
1108 |
#endif
|
|
|
1109 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1110 |
|
|
|
1111 |
pData->bHasIHDR = MNG_TRUE; /* indicate IHDR is present */
|
|
|
1112 |
/* and store interesting fields */
|
|
|
1113 |
if ((!pData->bHasDHDR) || (pData->iDeltatype == MNG_DELTATYPE_NOCHANGE))
|
|
|
1114 |
{
|
|
|
1115 |
pData->iDatawidth = mng_get_uint32 (pRawdata);
|
|
|
1116 |
pData->iDataheight = mng_get_uint32 (pRawdata+4);
|
|
|
1117 |
}
|
|
|
1118 |
|
|
|
1119 |
pData->iBitdepth = *(pRawdata+8);
|
|
|
1120 |
pData->iColortype = *(pRawdata+9);
|
|
|
1121 |
pData->iCompression = *(pRawdata+10);
|
|
|
1122 |
pData->iFilter = *(pRawdata+11);
|
|
|
1123 |
pData->iInterlace = *(pRawdata+12);
|
|
|
1124 |
|
|
|
1125 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT) || defined(MNG_NO_16BIT_SUPPORT)
|
|
|
1126 |
pData->iPNGmult = 1;
|
|
|
1127 |
pData->iPNGdepth = pData->iBitdepth;
|
|
|
1128 |
#endif
|
|
|
1129 |
|
|
|
1130 |
#ifdef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
1131 |
if (pData->iBitdepth < 8)
|
|
|
1132 |
pData->iBitdepth = 8;
|
|
|
1133 |
#endif
|
|
|
1134 |
|
|
|
1135 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
|
1136 |
if (pData->iBitdepth > 8)
|
|
|
1137 |
{
|
|
|
1138 |
pData->iBitdepth = 8;
|
|
|
1139 |
pData->iPNGmult = 2;
|
|
|
1140 |
}
|
|
|
1141 |
#endif
|
|
|
1142 |
|
|
|
1143 |
if ((pData->iBitdepth != 8) /* parameter validity checks */
|
|
|
1144 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
1145 |
&& (pData->iBitdepth != 1) &&
|
|
|
1146 |
(pData->iBitdepth != 2) &&
|
|
|
1147 |
(pData->iBitdepth != 4)
|
|
|
1148 |
#endif
|
|
|
1149 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1150 |
&& (pData->iBitdepth != 16)
|
|
|
1151 |
#endif
|
|
|
1152 |
)
|
|
|
1153 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
1154 |
|
|
|
1155 |
if ((pData->iColortype != MNG_COLORTYPE_GRAY ) &&
|
|
|
1156 |
(pData->iColortype != MNG_COLORTYPE_RGB ) &&
|
|
|
1157 |
(pData->iColortype != MNG_COLORTYPE_INDEXED) &&
|
|
|
1158 |
(pData->iColortype != MNG_COLORTYPE_GRAYA ) &&
|
|
|
1159 |
(pData->iColortype != MNG_COLORTYPE_RGBA ) )
|
|
|
1160 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
|
1161 |
|
|
|
1162 |
if ((pData->iColortype == MNG_COLORTYPE_INDEXED) && (pData->iBitdepth > 8))
|
|
|
1163 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
1164 |
|
|
|
1165 |
if (((pData->iColortype == MNG_COLORTYPE_RGB ) ||
|
|
|
1166 |
(pData->iColortype == MNG_COLORTYPE_GRAYA ) ||
|
|
|
1167 |
(pData->iColortype == MNG_COLORTYPE_RGBA ) ) &&
|
|
|
1168 |
(pData->iBitdepth < 8 ) )
|
|
|
1169 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
1170 |
|
|
|
1171 |
if (pData->iCompression != MNG_COMPRESSION_DEFLATE)
|
|
|
1172 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
|
1173 |
|
|
|
1174 |
#if defined(FILTER192) || defined(FILTER193)
|
|
|
1175 |
if ((pData->iFilter != MNG_FILTER_ADAPTIVE ) &&
|
|
|
1176 |
#if defined(FILTER192) && defined(FILTER193)
|
|
|
1177 |
(pData->iFilter != MNG_FILTER_DIFFERING) &&
|
|
|
1178 |
(pData->iFilter != MNG_FILTER_NOFILTER ) )
|
|
|
1179 |
#else
|
|
|
1180 |
#ifdef FILTER192
|
|
|
1181 |
(pData->iFilter != MNG_FILTER_DIFFERING) )
|
|
|
1182 |
#else
|
|
|
1183 |
(pData->iFilter != MNG_FILTER_NOFILTER ) )
|
|
|
1184 |
#endif
|
|
|
1185 |
#endif
|
|
|
1186 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
|
1187 |
#else
|
|
|
1188 |
if (pData->iFilter)
|
|
|
1189 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
|
1190 |
#endif
|
|
|
1191 |
|
|
|
1192 |
if ((pData->iInterlace != MNG_INTERLACE_NONE ) &&
|
|
|
1193 |
(pData->iInterlace != MNG_INTERLACE_ADAM7) )
|
|
|
1194 |
MNG_ERROR (pData, MNG_INVALIDINTERLACE);
|
|
|
1195 |
|
|
|
1196 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1197 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
1198 |
if (pData->bHasDHDR) /* check the colortype for delta-images ! */
|
|
|
1199 |
{
|
|
|
1200 |
mng_imagedatap pBuf = ((mng_imagep)pData->pObjzero)->pImgbuf;
|
|
|
1201 |
|
|
|
1202 |
if (pData->iColortype != pBuf->iColortype)
|
|
|
1203 |
{
|
|
|
1204 |
if ( ( (pData->iColortype != MNG_COLORTYPE_INDEXED) ||
|
|
|
1205 |
(pBuf->iColortype == MNG_COLORTYPE_GRAY ) ) &&
|
|
|
1206 |
( (pData->iColortype != MNG_COLORTYPE_GRAY ) ||
|
|
|
1207 |
(pBuf->iColortype == MNG_COLORTYPE_INDEXED) ) )
|
|
|
1208 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
|
1209 |
}
|
|
|
1210 |
}
|
|
|
1211 |
#endif
|
|
|
1212 |
#endif
|
|
|
1213 |
|
|
|
1214 |
if (!pData->bHasheader) /* first chunk ? */
|
|
|
1215 |
{
|
|
|
1216 |
pData->bHasheader = MNG_TRUE; /* we've got a header */
|
|
|
1217 |
pData->eImagetype = mng_it_png; /* then this must be a PNG */
|
|
|
1218 |
pData->iWidth = pData->iDatawidth;
|
|
|
1219 |
pData->iHeight = pData->iDataheight;
|
|
|
1220 |
/* predict alpha-depth ! */
|
|
|
1221 |
if ((pData->iColortype == MNG_COLORTYPE_GRAYA ) ||
|
|
|
1222 |
(pData->iColortype == MNG_COLORTYPE_RGBA ) )
|
|
|
1223 |
pData->iAlphadepth = pData->iBitdepth;
|
|
|
1224 |
else
|
|
|
1225 |
if (pData->iColortype == MNG_COLORTYPE_INDEXED)
|
|
|
1226 |
pData->iAlphadepth = 8; /* worst case scenario */
|
|
|
1227 |
else
|
|
|
1228 |
pData->iAlphadepth = 1; /* Possible tRNS cheap binary transparency */
|
|
|
1229 |
/* fits on maximum canvas ? */
|
|
|
1230 |
if ((pData->iWidth > pData->iMaxwidth) || (pData->iHeight > pData->iMaxheight))
|
|
|
1231 |
MNG_WARNING (pData, MNG_IMAGETOOLARGE);
|
|
|
1232 |
|
|
|
1233 |
#if !defined(MNG_INCLUDE_MPNG_PROPOSAL) || !defined(MNG_SUPPORT_DISPLAY)
|
|
|
1234 |
if (pData->fProcessheader) /* inform the app ? */
|
|
|
1235 |
if (!pData->fProcessheader (((mng_handle)pData), pData->iWidth, pData->iHeight))
|
|
|
1236 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
1237 |
#endif
|
|
|
1238 |
}
|
|
|
1239 |
|
|
|
1240 |
if (!pData->bHasDHDR)
|
|
|
1241 |
pData->iImagelevel++; /* one level deeper */
|
|
|
1242 |
|
|
|
1243 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1244 |
{
|
|
|
1245 |
mng_retcode iRetcode = mng_process_display_ihdr (pData);
|
|
|
1246 |
|
|
|
1247 |
if (iRetcode) /* on error bail out */
|
|
|
1248 |
return iRetcode;
|
|
|
1249 |
}
|
|
|
1250 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
1251 |
|
|
|
1252 |
#ifdef MNG_STORE_CHUNKS
|
|
|
1253 |
if (pData->bStorechunks)
|
|
|
1254 |
{ /* initialize storage */
|
|
|
1255 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
1256 |
|
|
|
1257 |
if (iRetcode) /* on error bail out */
|
|
|
1258 |
return iRetcode;
|
|
|
1259 |
/* fill the fields */
|
|
|
1260 |
((mng_ihdrp)*ppChunk)->iWidth = mng_get_uint32 (pRawdata);
|
|
|
1261 |
((mng_ihdrp)*ppChunk)->iHeight = mng_get_uint32 (pRawdata+4);
|
|
|
1262 |
((mng_ihdrp)*ppChunk)->iBitdepth = pData->iBitdepth;
|
|
|
1263 |
((mng_ihdrp)*ppChunk)->iColortype = pData->iColortype;
|
|
|
1264 |
((mng_ihdrp)*ppChunk)->iCompression = pData->iCompression;
|
|
|
1265 |
((mng_ihdrp)*ppChunk)->iFilter = pData->iFilter;
|
|
|
1266 |
((mng_ihdrp)*ppChunk)->iInterlace = pData->iInterlace;
|
|
|
1267 |
}
|
|
|
1268 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
1269 |
|
|
|
1270 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1271 |
MNG_TRACE (pData, MNG_FN_READ_IHDR, MNG_LC_END);
|
|
|
1272 |
#endif
|
|
|
1273 |
|
|
|
1274 |
return MNG_NOERROR; /* done */
|
|
|
1275 |
}
|
|
|
1276 |
#endif /* MNG_OPTIMIZE_CHUNKREADER */
|
|
|
1277 |
|
|
|
1278 |
/* ************************************************************************** */
|
|
|
1279 |
|
|
|
1280 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
1281 |
READ_CHUNK (mng_read_plte)
|
|
|
1282 |
{
|
|
|
1283 |
#if defined(MNG_SUPPORT_DISPLAY) || defined(MNG_STORE_CHUNKS)
|
|
|
1284 |
mng_uint32 iX;
|
|
|
1285 |
mng_uint8p pRawdata2;
|
|
|
1286 |
#endif
|
|
|
1287 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1288 |
mng_uint32 iRawlen2;
|
|
|
1289 |
#endif
|
|
|
1290 |
|
|
|
1291 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1292 |
MNG_TRACE (pData, MNG_FN_READ_PLTE, MNG_LC_START);
|
|
|
1293 |
#endif
|
|
|
1294 |
/* sequence checks */
|
|
|
1295 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
1296 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
1297 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1298 |
|
|
|
1299 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1300 |
if ((pData->bHasIDAT) || (pData->bHasJHDR))
|
|
|
1301 |
#else
|
|
|
1302 |
if (pData->bHasIDAT)
|
|
|
1303 |
#endif
|
|
|
1304 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1305 |
/* multiple PLTE only inside BASI */
|
|
|
1306 |
if ((pData->bHasPLTE) && (!pData->bHasBASI))
|
|
|
1307 |
MNG_ERROR (pData, MNG_MULTIPLEERROR);
|
|
|
1308 |
/* length must be multiple of 3 */
|
|
|
1309 |
if (((iRawlen % 3) != 0) || (iRawlen > 768))
|
|
|
1310 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1311 |
|
|
|
1312 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1313 |
{ /* only allowed for indexed-color or
|
|
|
1314 |
rgb(a)-color! */
|
|
|
1315 |
if ((pData->iColortype != 2) && (pData->iColortype != 3) && (pData->iColortype != 6))
|
|
|
1316 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
|
1317 |
/* empty only allowed if global present */
|
|
|
1318 |
if ((iRawlen == 0) && (!pData->bHasglobalPLTE))
|
|
|
1319 |
MNG_ERROR (pData, MNG_CANNOTBEEMPTY);
|
|
|
1320 |
}
|
|
|
1321 |
else
|
|
|
1322 |
{
|
|
|
1323 |
if (iRawlen == 0) /* cannot be empty as global! */
|
|
|
1324 |
MNG_ERROR (pData, MNG_CANNOTBEEMPTY);
|
|
|
1325 |
}
|
|
|
1326 |
|
|
|
1327 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1328 |
pData->bHasPLTE = MNG_TRUE; /* got it! */
|
|
|
1329 |
else
|
|
|
1330 |
pData->bHasglobalPLTE = MNG_TRUE;
|
|
|
1331 |
|
|
|
1332 |
pData->iPLTEcount = iRawlen / 3;
|
|
|
1333 |
|
|
|
1334 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1335 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1336 |
{
|
|
|
1337 |
mng_imagep pImage;
|
|
|
1338 |
mng_imagedatap pBuf;
|
|
|
1339 |
|
|
|
1340 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
1341 |
if (pData->bHasDHDR) /* processing delta-image ? */
|
|
|
1342 |
{ /* store in object 0 !!! */
|
|
|
1343 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
1344 |
pBuf = pImage->pImgbuf;
|
|
|
1345 |
pBuf->bHasPLTE = MNG_TRUE; /* it's definitely got a PLTE now */
|
|
|
1346 |
pBuf->iPLTEcount = iRawlen / 3; /* this is the exact length */
|
|
|
1347 |
pRawdata2 = pRawdata; /* copy the entries */
|
|
|
1348 |
|
|
|
1349 |
for (iX = 0; iX < iRawlen / 3; iX++)
|
|
|
1350 |
{
|
|
|
1351 |
pBuf->aPLTEentries[iX].iRed = *pRawdata2;
|
|
|
1352 |
pBuf->aPLTEentries[iX].iGreen = *(pRawdata2+1);
|
|
|
1353 |
pBuf->aPLTEentries[iX].iBlue = *(pRawdata2+2);
|
|
|
1354 |
|
|
|
1355 |
pRawdata2 += 3;
|
|
|
1356 |
}
|
|
|
1357 |
}
|
|
|
1358 |
else
|
|
|
1359 |
#endif
|
|
|
1360 |
{ /* get the current object */
|
|
|
1361 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
1362 |
|
|
|
1363 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
|
1364 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
1365 |
|
|
|
1366 |
pBuf = pImage->pImgbuf; /* address the object buffer */
|
|
|
1367 |
pBuf->bHasPLTE = MNG_TRUE; /* and tell it it's got a PLTE now */
|
|
|
1368 |
|
|
|
1369 |
if (!iRawlen) /* if empty, inherit from global */
|
|
|
1370 |
{
|
|
|
1371 |
pBuf->iPLTEcount = pData->iGlobalPLTEcount;
|
|
|
1372 |
MNG_COPY (pBuf->aPLTEentries, pData->aGlobalPLTEentries,
|
|
|
1373 |
sizeof (pBuf->aPLTEentries));
|
|
|
1374 |
|
|
|
1375 |
if (pData->bHasglobalTRNS) /* also copy global tRNS ? */
|
|
|
1376 |
{ /* indicate tRNS available */
|
|
|
1377 |
pBuf->bHasTRNS = MNG_TRUE;
|
|
|
1378 |
|
|
|
1379 |
iRawlen2 = pData->iGlobalTRNSrawlen;
|
|
|
1380 |
pRawdata2 = (mng_uint8p)(pData->aGlobalTRNSrawdata);
|
|
|
1381 |
/* global length oke ? */
|
|
|
1382 |
if ((iRawlen2 == 0) || (iRawlen2 > pBuf->iPLTEcount))
|
|
|
1383 |
MNG_ERROR (pData, MNG_GLOBALLENGTHERR);
|
|
|
1384 |
/* copy it */
|
|
|
1385 |
pBuf->iTRNScount = iRawlen2;
|
|
|
1386 |
MNG_COPY (pBuf->aTRNSentries, pRawdata2, iRawlen2);
|
|
|
1387 |
}
|
|
|
1388 |
}
|
|
|
1389 |
else
|
|
|
1390 |
{ /* store fields for future reference */
|
|
|
1391 |
pBuf->iPLTEcount = iRawlen / 3;
|
|
|
1392 |
pRawdata2 = pRawdata;
|
|
|
1393 |
|
|
|
1394 |
for (iX = 0; iX < pBuf->iPLTEcount; iX++)
|
|
|
1395 |
{
|
|
|
1396 |
pBuf->aPLTEentries[iX].iRed = *pRawdata2;
|
|
|
1397 |
pBuf->aPLTEentries[iX].iGreen = *(pRawdata2+1);
|
|
|
1398 |
pBuf->aPLTEentries[iX].iBlue = *(pRawdata2+2);
|
|
|
1399 |
|
|
|
1400 |
pRawdata2 += 3;
|
|
|
1401 |
}
|
|
|
1402 |
}
|
|
|
1403 |
}
|
|
|
1404 |
}
|
|
|
1405 |
else /* store as global */
|
|
|
1406 |
{
|
|
|
1407 |
pData->iGlobalPLTEcount = iRawlen / 3;
|
|
|
1408 |
pRawdata2 = pRawdata;
|
|
|
1409 |
|
|
|
1410 |
for (iX = 0; iX < pData->iGlobalPLTEcount; iX++)
|
|
|
1411 |
{
|
|
|
1412 |
pData->aGlobalPLTEentries[iX].iRed = *pRawdata2;
|
|
|
1413 |
pData->aGlobalPLTEentries[iX].iGreen = *(pRawdata2+1);
|
|
|
1414 |
pData->aGlobalPLTEentries[iX].iBlue = *(pRawdata2+2);
|
|
|
1415 |
|
|
|
1416 |
pRawdata2 += 3;
|
|
|
1417 |
}
|
|
|
1418 |
|
|
|
1419 |
{ /* create an animation object */
|
|
|
1420 |
mng_retcode iRetcode = mng_create_ani_plte (pData, pData->iGlobalPLTEcount,
|
|
|
1421 |
pData->aGlobalPLTEentries);
|
|
|
1422 |
if (iRetcode) /* on error bail out */
|
|
|
1423 |
return iRetcode;
|
|
|
1424 |
}
|
|
|
1425 |
}
|
|
|
1426 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
1427 |
|
|
|
1428 |
#ifdef MNG_STORE_CHUNKS
|
|
|
1429 |
if (pData->bStorechunks)
|
|
|
1430 |
{ /* initialize storage */
|
|
|
1431 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
1432 |
|
|
|
1433 |
if (iRetcode) /* on error bail out */
|
|
|
1434 |
return iRetcode;
|
|
|
1435 |
/* store the fields */
|
|
|
1436 |
((mng_pltep)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
1437 |
((mng_pltep)*ppChunk)->iEntrycount = iRawlen / 3;
|
|
|
1438 |
pRawdata2 = pRawdata;
|
|
|
1439 |
|
|
|
1440 |
for (iX = 0; iX < ((mng_pltep)*ppChunk)->iEntrycount; iX++)
|
|
|
1441 |
{
|
|
|
1442 |
((mng_pltep)*ppChunk)->aEntries[iX].iRed = *pRawdata2;
|
|
|
1443 |
((mng_pltep)*ppChunk)->aEntries[iX].iGreen = *(pRawdata2+1);
|
|
|
1444 |
((mng_pltep)*ppChunk)->aEntries[iX].iBlue = *(pRawdata2+2);
|
|
|
1445 |
|
|
|
1446 |
pRawdata2 += 3;
|
|
|
1447 |
}
|
|
|
1448 |
}
|
|
|
1449 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
1450 |
|
|
|
1451 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1452 |
MNG_TRACE (pData, MNG_FN_READ_PLTE, MNG_LC_END);
|
|
|
1453 |
#endif
|
|
|
1454 |
|
|
|
1455 |
return MNG_NOERROR; /* done */
|
|
|
1456 |
}
|
|
|
1457 |
#endif /* MNG_OPTIMIZE_CHUNKREADER */
|
|
|
1458 |
|
|
|
1459 |
/* ************************************************************************** */
|
|
|
1460 |
|
|
|
1461 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
1462 |
READ_CHUNK (mng_read_idat)
|
|
|
1463 |
{
|
|
|
1464 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1465 |
MNG_TRACE (pData, MNG_FN_READ_IDAT, MNG_LC_START);
|
|
|
1466 |
#endif
|
|
|
1467 |
|
|
|
1468 |
#ifdef MNG_INCLUDE_JNG /* sequence checks */
|
|
|
1469 |
if ((!pData->bHasIHDR) && (!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
1470 |
#else
|
|
|
1471 |
if ((!pData->bHasIHDR) && (!pData->bHasBASI) && (!pData->bHasDHDR))
|
|
|
1472 |
#endif
|
|
|
1473 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1474 |
|
|
|
1475 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1476 |
if ((pData->bHasJHDR) &&
|
|
|
1477 |
(pData->iJHDRalphacompression != MNG_COMPRESSION_DEFLATE))
|
|
|
1478 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1479 |
|
|
|
1480 |
if (pData->bHasJSEP)
|
|
|
1481 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1482 |
#endif
|
|
|
1483 |
/* not allowed for deltatype NO_CHANGE */
|
|
|
1484 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
1485 |
if ((pData->bHasDHDR) && ((pData->iDeltatype == MNG_DELTATYPE_NOCHANGE)))
|
|
|
1486 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
|
1487 |
#endif
|
|
|
1488 |
/* can only be empty in BASI-block! */
|
|
|
1489 |
if ((iRawlen == 0) && (!pData->bHasBASI))
|
|
|
1490 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1491 |
/* indexed-color requires PLTE */
|
|
|
1492 |
if ((pData->bHasIHDR) && (pData->iColortype == 3) && (!pData->bHasPLTE))
|
|
|
1493 |
MNG_ERROR (pData, MNG_PLTEMISSING);
|
|
|
1494 |
|
|
|
1495 |
pData->bHasIDAT = MNG_TRUE; /* got some IDAT now, don't we */
|
|
|
1496 |
|
|
|
1497 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1498 |
if (iRawlen)
|
|
|
1499 |
{ /* display processing */
|
|
|
1500 |
mng_retcode iRetcode = mng_process_display_idat (pData, iRawlen, pRawdata);
|
|
|
1501 |
|
|
|
1502 |
if (iRetcode) /* on error bail out */
|
|
|
1503 |
return iRetcode;
|
|
|
1504 |
}
|
|
|
1505 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
1506 |
|
|
|
1507 |
#ifdef MNG_STORE_CHUNKS
|
|
|
1508 |
if (pData->bStorechunks)
|
|
|
1509 |
{ /* initialize storage */
|
|
|
1510 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
1511 |
|
|
|
1512 |
if (iRetcode) /* on error bail out */
|
|
|
1513 |
return iRetcode;
|
|
|
1514 |
/* store the fields */
|
|
|
1515 |
((mng_idatp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
1516 |
((mng_idatp)*ppChunk)->iDatasize = iRawlen;
|
|
|
1517 |
|
|
|
1518 |
if (iRawlen != 0) /* is there any data ? */
|
|
|
1519 |
{
|
|
|
1520 |
MNG_ALLOC (pData, ((mng_idatp)*ppChunk)->pData, iRawlen);
|
|
|
1521 |
MNG_COPY (((mng_idatp)*ppChunk)->pData, pRawdata, iRawlen);
|
|
|
1522 |
}
|
|
|
1523 |
}
|
|
|
1524 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
1525 |
|
|
|
1526 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1527 |
MNG_TRACE (pData, MNG_FN_READ_IDAT, MNG_LC_END);
|
|
|
1528 |
#endif
|
|
|
1529 |
|
|
|
1530 |
return MNG_NOERROR; /* done */
|
|
|
1531 |
}
|
|
|
1532 |
#endif
|
|
|
1533 |
|
|
|
1534 |
/* ************************************************************************** */
|
|
|
1535 |
|
|
|
1536 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
1537 |
READ_CHUNK (mng_read_iend)
|
|
|
1538 |
{
|
|
|
1539 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1540 |
MNG_TRACE (pData, MNG_FN_READ_IEND, MNG_LC_START);
|
|
|
1541 |
#endif
|
|
|
1542 |
|
|
|
1543 |
if (iRawlen > 0) /* must not contain data! */
|
|
|
1544 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1545 |
|
|
|
1546 |
#ifdef MNG_INCLUDE_JNG /* sequence checks */
|
|
|
1547 |
if ((!pData->bHasIHDR) && (!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
1548 |
#else
|
|
|
1549 |
if ((!pData->bHasIHDR) && (!pData->bHasBASI) && (!pData->bHasDHDR))
|
|
|
1550 |
#endif
|
|
|
1551 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1552 |
/* IHDR-block requires IDAT */
|
|
|
1553 |
if ((pData->bHasIHDR) && (!pData->bHasIDAT))
|
|
|
1554 |
MNG_ERROR (pData, MNG_IDATMISSING);
|
|
|
1555 |
|
|
|
1556 |
pData->iImagelevel--; /* one level up */
|
|
|
1557 |
|
|
|
1558 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1559 |
{ /* create an animation object */
|
|
|
1560 |
mng_retcode iRetcode = mng_create_ani_image (pData);
|
|
|
1561 |
if (iRetcode) /* on error bail out */
|
|
|
1562 |
return iRetcode;
|
|
|
1563 |
/* display processing */
|
|
|
1564 |
iRetcode = mng_process_display_iend (pData);
|
|
|
1565 |
if (iRetcode) /* on error bail out */
|
|
|
1566 |
return iRetcode;
|
|
|
1567 |
}
|
|
|
1568 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
1569 |
|
|
|
1570 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1571 |
if (!pData->bTimerset) /* reset only if not broken !!! */
|
|
|
1572 |
{
|
|
|
1573 |
#endif
|
|
|
1574 |
/* IEND signals the end for most ... */
|
|
|
1575 |
pData->bHasIHDR = MNG_FALSE;
|
|
|
1576 |
pData->bHasBASI = MNG_FALSE;
|
|
|
1577 |
pData->bHasDHDR = MNG_FALSE;
|
|
|
1578 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1579 |
pData->bHasJHDR = MNG_FALSE;
|
|
|
1580 |
pData->bHasJSEP = MNG_FALSE;
|
|
|
1581 |
pData->bHasJDAA = MNG_FALSE;
|
|
|
1582 |
pData->bHasJDAT = MNG_FALSE;
|
|
|
1583 |
#endif
|
|
|
1584 |
pData->bHasPLTE = MNG_FALSE;
|
|
|
1585 |
pData->bHasTRNS = MNG_FALSE;
|
|
|
1586 |
pData->bHasGAMA = MNG_FALSE;
|
|
|
1587 |
pData->bHasCHRM = MNG_FALSE;
|
|
|
1588 |
pData->bHasSRGB = MNG_FALSE;
|
|
|
1589 |
pData->bHasICCP = MNG_FALSE;
|
|
|
1590 |
pData->bHasBKGD = MNG_FALSE;
|
|
|
1591 |
pData->bHasIDAT = MNG_FALSE;
|
|
|
1592 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1593 |
}
|
|
|
1594 |
#endif
|
|
|
1595 |
|
|
|
1596 |
#ifdef MNG_STORE_CHUNKS
|
|
|
1597 |
if (pData->bStorechunks)
|
|
|
1598 |
{ /* initialize storage */
|
|
|
1599 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
1600 |
|
|
|
1601 |
if (iRetcode) /* on error bail out */
|
|
|
1602 |
return iRetcode;
|
|
|
1603 |
}
|
|
|
1604 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
1605 |
|
|
|
1606 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1607 |
MNG_TRACE (pData, MNG_FN_READ_IEND, MNG_LC_END);
|
|
|
1608 |
#endif
|
|
|
1609 |
|
|
|
1610 |
return MNG_NOERROR; /* done */
|
|
|
1611 |
}
|
|
|
1612 |
#endif
|
|
|
1613 |
|
|
|
1614 |
/* ************************************************************************** */
|
|
|
1615 |
|
|
|
1616 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
1617 |
READ_CHUNK (mng_read_trns)
|
|
|
1618 |
{
|
|
|
1619 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1620 |
MNG_TRACE (pData, MNG_FN_READ_TRNS, MNG_LC_START);
|
|
|
1621 |
#endif
|
|
|
1622 |
/* sequence checks */
|
|
|
1623 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
1624 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
1625 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1626 |
|
|
|
1627 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1628 |
if ((pData->bHasIDAT) || (pData->bHasJHDR))
|
|
|
1629 |
#else
|
|
|
1630 |
if (pData->bHasIDAT)
|
|
|
1631 |
#endif
|
|
|
1632 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1633 |
/* multiple tRNS only inside BASI */
|
|
|
1634 |
if ((pData->bHasTRNS) && (!pData->bHasBASI))
|
|
|
1635 |
MNG_ERROR (pData, MNG_MULTIPLEERROR);
|
|
|
1636 |
|
|
|
1637 |
if (iRawlen > 256) /* it just can't be bigger than that! */
|
|
|
1638 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1639 |
|
|
|
1640 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1641 |
{ /* not allowed with full alpha-channel */
|
|
|
1642 |
if ((pData->iColortype == 4) || (pData->iColortype == 6))
|
|
|
1643 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
|
1644 |
|
|
|
1645 |
if (iRawlen != 0) /* filled ? */
|
|
|
1646 |
{ /* length checks */
|
|
|
1647 |
if ((pData->iColortype == 0) && (iRawlen != 2))
|
|
|
1648 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1649 |
|
|
|
1650 |
if ((pData->iColortype == 2) && (iRawlen != 6))
|
|
|
1651 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1652 |
|
|
|
1653 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1654 |
if (pData->iColortype == 3)
|
|
|
1655 |
{
|
|
|
1656 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
1657 |
mng_imagedatap pBuf;
|
|
|
1658 |
|
|
|
1659 |
if (!pImage) /* no object then check obj 0 */
|
|
|
1660 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
1661 |
|
|
|
1662 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
|
1663 |
|
|
|
1664 |
if (iRawlen > pBuf->iPLTEcount)
|
|
|
1665 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1666 |
}
|
|
|
1667 |
#endif
|
|
|
1668 |
}
|
|
|
1669 |
else /* if empty there must be global stuff! */
|
|
|
1670 |
{
|
|
|
1671 |
if (!pData->bHasglobalTRNS)
|
|
|
1672 |
MNG_ERROR (pData, MNG_CANNOTBEEMPTY);
|
|
|
1673 |
}
|
|
|
1674 |
}
|
|
|
1675 |
|
|
|
1676 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1677 |
pData->bHasTRNS = MNG_TRUE; /* indicate tRNS available */
|
|
|
1678 |
else
|
|
|
1679 |
pData->bHasglobalTRNS = MNG_TRUE;
|
|
|
1680 |
|
|
|
1681 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1682 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1683 |
{
|
|
|
1684 |
mng_imagep pImage;
|
|
|
1685 |
mng_imagedatap pBuf;
|
|
|
1686 |
mng_uint8p pRawdata2;
|
|
|
1687 |
mng_uint32 iRawlen2;
|
|
|
1688 |
|
|
|
1689 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
1690 |
if (pData->bHasDHDR) /* processing delta-image ? */
|
|
|
1691 |
{ /* store in object 0 !!! */
|
|
|
1692 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
1693 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
|
1694 |
|
|
|
1695 |
switch (pData->iColortype) /* store fields for future reference */
|
|
|
1696 |
{
|
|
|
1697 |
case 0: { /* gray */
|
|
|
1698 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT)
|
|
|
1699 |
mng_uint8 multiplier[]={0,255,85,0,17,0,0,0,1,
|
|
|
1700 |
0,0,0,0,0,0,0,1};
|
|
|
1701 |
#endif
|
|
|
1702 |
pBuf->iTRNSgray = mng_get_uint16 (pRawdata);
|
|
|
1703 |
pBuf->iTRNSred = 0;
|
|
|
1704 |
pBuf->iTRNSgreen = 0;
|
|
|
1705 |
pBuf->iTRNSblue = 0;
|
|
|
1706 |
pBuf->iTRNScount = 0;
|
|
|
1707 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT)
|
|
|
1708 |
pBuf->iTRNSgray *= multiplier[pData->iPNGdepth];
|
|
|
1709 |
#endif
|
|
|
1710 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
|
1711 |
if (pData->iPNGmult == 2)
|
|
|
1712 |
pBuf->iTRNSgray >>= 8;
|
|
|
1713 |
#endif
|
|
|
1714 |
break;
|
|
|
1715 |
}
|
|
|
1716 |
case 2: { /* rgb */
|
|
|
1717 |
pBuf->iTRNSgray = 0;
|
|
|
1718 |
pBuf->iTRNSred = mng_get_uint16 (pRawdata);
|
|
|
1719 |
pBuf->iTRNSgreen = mng_get_uint16 (pRawdata+2);
|
|
|
1720 |
pBuf->iTRNSblue = mng_get_uint16 (pRawdata+4);
|
|
|
1721 |
pBuf->iTRNScount = 0;
|
|
|
1722 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
|
1723 |
if (pData->iPNGmult == 2)
|
|
|
1724 |
{
|
|
|
1725 |
pBuf->iTRNSred >>= 8;
|
|
|
1726 |
pBuf->iTRNSgreen >>= 8;
|
|
|
1727 |
pBuf->iTRNSblue >>= 8;
|
|
|
1728 |
}
|
|
|
1729 |
#endif
|
|
|
1730 |
break;
|
|
|
1731 |
}
|
|
|
1732 |
case 3: { /* indexed */
|
|
|
1733 |
pBuf->iTRNSgray = 0;
|
|
|
1734 |
pBuf->iTRNSred = 0;
|
|
|
1735 |
pBuf->iTRNSgreen = 0;
|
|
|
1736 |
pBuf->iTRNSblue = 0;
|
|
|
1737 |
pBuf->iTRNScount = iRawlen;
|
|
|
1738 |
MNG_COPY (pBuf->aTRNSentries, pRawdata, iRawlen);
|
|
|
1739 |
break;
|
|
|
1740 |
}
|
|
|
1741 |
}
|
|
|
1742 |
|
|
|
1743 |
pBuf->bHasTRNS = MNG_TRUE; /* tell it it's got a tRNS now */
|
|
|
1744 |
}
|
|
|
1745 |
else
|
|
|
1746 |
#endif
|
|
|
1747 |
{ /* address current object */
|
|
|
1748 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
1749 |
|
|
|
1750 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
|
1751 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
1752 |
|
|
|
1753 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
|
1754 |
pBuf->bHasTRNS = MNG_TRUE; /* and tell it it's got a tRNS now */
|
|
|
1755 |
|
|
|
1756 |
if (iRawlen == 0) /* if empty, inherit from global */
|
|
|
1757 |
{
|
|
|
1758 |
iRawlen2 = pData->iGlobalTRNSrawlen;
|
|
|
1759 |
pRawdata2 = (mng_ptr)(pData->aGlobalTRNSrawdata);
|
|
|
1760 |
/* global length oke ? */
|
|
|
1761 |
if ((pData->iColortype == 0) && (iRawlen2 != 2))
|
|
|
1762 |
MNG_ERROR (pData, MNG_GLOBALLENGTHERR);
|
|
|
1763 |
|
|
|
1764 |
if ((pData->iColortype == 2) && (iRawlen2 != 6))
|
|
|
1765 |
MNG_ERROR (pData, MNG_GLOBALLENGTHERR);
|
|
|
1766 |
|
|
|
1767 |
if ((pData->iColortype == 3) && ((iRawlen2 == 0) || (iRawlen2 > pBuf->iPLTEcount)))
|
|
|
1768 |
MNG_ERROR (pData, MNG_GLOBALLENGTHERR);
|
|
|
1769 |
}
|
|
|
1770 |
else
|
|
|
1771 |
{
|
|
|
1772 |
iRawlen2 = iRawlen;
|
|
|
1773 |
pRawdata2 = pRawdata;
|
|
|
1774 |
}
|
|
|
1775 |
|
|
|
1776 |
switch (pData->iColortype) /* store fields for future reference */
|
|
|
1777 |
{
|
|
|
1778 |
case 0: { /* gray */
|
|
|
1779 |
pBuf->iTRNSgray = mng_get_uint16 (pRawdata2);
|
|
|
1780 |
pBuf->iTRNSred = 0;
|
|
|
1781 |
pBuf->iTRNSgreen = 0;
|
|
|
1782 |
pBuf->iTRNSblue = 0;
|
|
|
1783 |
pBuf->iTRNScount = 0;
|
|
|
1784 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
|
1785 |
if (pData->iPNGmult == 2)
|
|
|
1786 |
pBuf->iTRNSgray >>= 8;
|
|
|
1787 |
#endif
|
|
|
1788 |
break;
|
|
|
1789 |
}
|
|
|
1790 |
case 2: { /* rgb */
|
|
|
1791 |
pBuf->iTRNSgray = 0;
|
|
|
1792 |
pBuf->iTRNSred = mng_get_uint16 (pRawdata2);
|
|
|
1793 |
pBuf->iTRNSgreen = mng_get_uint16 (pRawdata2+2);
|
|
|
1794 |
pBuf->iTRNSblue = mng_get_uint16 (pRawdata2+4);
|
|
|
1795 |
pBuf->iTRNScount = 0;
|
|
|
1796 |
#if defined(MNG_NO_16BIT_SUPPORT)
|
|
|
1797 |
if (pData->iPNGmult == 2)
|
|
|
1798 |
{
|
|
|
1799 |
pBuf->iTRNSred >>= 8;
|
|
|
1800 |
pBuf->iTRNSgreen >>= 8;
|
|
|
1801 |
pBuf->iTRNSblue >>= 8;
|
|
|
1802 |
}
|
|
|
1803 |
#endif
|
|
|
1804 |
break;
|
|
|
1805 |
}
|
|
|
1806 |
case 3: { /* indexed */
|
|
|
1807 |
pBuf->iTRNSgray = 0;
|
|
|
1808 |
pBuf->iTRNSred = 0;
|
|
|
1809 |
pBuf->iTRNSgreen = 0;
|
|
|
1810 |
pBuf->iTRNSblue = 0;
|
|
|
1811 |
pBuf->iTRNScount = iRawlen2;
|
|
|
1812 |
MNG_COPY (pBuf->aTRNSentries, pRawdata2, iRawlen2);
|
|
|
1813 |
break;
|
|
|
1814 |
}
|
|
|
1815 |
}
|
|
|
1816 |
}
|
|
|
1817 |
}
|
|
|
1818 |
else /* store as global */
|
|
|
1819 |
{
|
|
|
1820 |
pData->iGlobalTRNSrawlen = iRawlen;
|
|
|
1821 |
MNG_COPY (pData->aGlobalTRNSrawdata, pRawdata, iRawlen);
|
|
|
1822 |
|
|
|
1823 |
{ /* create an animation object */
|
|
|
1824 |
mng_retcode iRetcode = mng_create_ani_trns (pData, pData->iGlobalTRNSrawlen,
|
|
|
1825 |
pData->aGlobalTRNSrawdata);
|
|
|
1826 |
|
|
|
1827 |
if (iRetcode) /* on error bail out */
|
|
|
1828 |
return iRetcode;
|
|
|
1829 |
}
|
|
|
1830 |
}
|
|
|
1831 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
1832 |
|
|
|
1833 |
#ifdef MNG_STORE_CHUNKS
|
|
|
1834 |
if (pData->bStorechunks)
|
|
|
1835 |
{ /* initialize storage */
|
|
|
1836 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
1837 |
|
|
|
1838 |
if (iRetcode) /* on error bail out */
|
|
|
1839 |
return iRetcode;
|
|
|
1840 |
|
|
|
1841 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1842 |
{ /* not global! */
|
|
|
1843 |
((mng_trnsp)*ppChunk)->bGlobal = MNG_FALSE;
|
|
|
1844 |
((mng_trnsp)*ppChunk)->iType = pData->iColortype;
|
|
|
1845 |
|
|
|
1846 |
if (iRawlen == 0) /* if empty, indicate so */
|
|
|
1847 |
((mng_trnsp)*ppChunk)->bEmpty = MNG_TRUE;
|
|
|
1848 |
else
|
|
|
1849 |
{
|
|
|
1850 |
((mng_trnsp)*ppChunk)->bEmpty = MNG_FALSE;
|
|
|
1851 |
|
|
|
1852 |
switch (pData->iColortype) /* store fields */
|
|
|
1853 |
{
|
|
|
1854 |
case 0: { /* gray */
|
|
|
1855 |
((mng_trnsp)*ppChunk)->iGray = mng_get_uint16 (pRawdata);
|
|
|
1856 |
break;
|
|
|
1857 |
}
|
|
|
1858 |
case 2: { /* rgb */
|
|
|
1859 |
((mng_trnsp)*ppChunk)->iRed = mng_get_uint16 (pRawdata);
|
|
|
1860 |
((mng_trnsp)*ppChunk)->iGreen = mng_get_uint16 (pRawdata+2);
|
|
|
1861 |
((mng_trnsp)*ppChunk)->iBlue = mng_get_uint16 (pRawdata+4);
|
|
|
1862 |
break;
|
|
|
1863 |
}
|
|
|
1864 |
case 3: { /* indexed */
|
|
|
1865 |
((mng_trnsp)*ppChunk)->iCount = iRawlen;
|
|
|
1866 |
MNG_COPY (((mng_trnsp)*ppChunk)->aEntries, pRawdata, iRawlen);
|
|
|
1867 |
break;
|
|
|
1868 |
}
|
|
|
1869 |
}
|
|
|
1870 |
}
|
|
|
1871 |
}
|
|
|
1872 |
else /* it's global! */
|
|
|
1873 |
{
|
|
|
1874 |
((mng_trnsp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
1875 |
((mng_trnsp)*ppChunk)->bGlobal = MNG_TRUE;
|
|
|
1876 |
((mng_trnsp)*ppChunk)->iType = 0;
|
|
|
1877 |
((mng_trnsp)*ppChunk)->iRawlen = iRawlen;
|
|
|
1878 |
|
|
|
1879 |
MNG_COPY (((mng_trnsp)*ppChunk)->aRawdata, pRawdata, iRawlen);
|
|
|
1880 |
}
|
|
|
1881 |
}
|
|
|
1882 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
1883 |
|
|
|
1884 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1885 |
MNG_TRACE (pData, MNG_FN_READ_TRNS, MNG_LC_END);
|
|
|
1886 |
#endif
|
|
|
1887 |
|
|
|
1888 |
return MNG_NOERROR; /* done */
|
|
|
1889 |
}
|
|
|
1890 |
#endif
|
|
|
1891 |
|
|
|
1892 |
/* ************************************************************************** */
|
|
|
1893 |
|
|
|
1894 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
1895 |
READ_CHUNK (mng_read_gama)
|
|
|
1896 |
{
|
|
|
1897 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1898 |
MNG_TRACE (pData, MNG_FN_READ_GAMA, MNG_LC_START);
|
|
|
1899 |
#endif
|
|
|
1900 |
/* sequence checks */
|
|
|
1901 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1902 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
1903 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
1904 |
#else
|
|
|
1905 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
1906 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
1907 |
#endif
|
|
|
1908 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1909 |
|
|
|
1910 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1911 |
if ((pData->bHasIDAT) || (pData->bHasPLTE) || (pData->bHasJDAT) || (pData->bHasJDAA))
|
|
|
1912 |
#else
|
|
|
1913 |
if ((pData->bHasIDAT) || (pData->bHasPLTE))
|
|
|
1914 |
#endif
|
|
|
1915 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
1916 |
|
|
|
1917 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1918 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
1919 |
#else
|
|
|
1920 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1921 |
#endif
|
|
|
1922 |
{ /* length must be exactly 4 */
|
|
|
1923 |
if (iRawlen != 4)
|
|
|
1924 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1925 |
}
|
|
|
1926 |
else
|
|
|
1927 |
{ /* length must be empty or exactly 4 */
|
|
|
1928 |
if ((iRawlen != 0) && (iRawlen != 4))
|
|
|
1929 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
1930 |
}
|
|
|
1931 |
|
|
|
1932 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1933 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
1934 |
#else
|
|
|
1935 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1936 |
#endif
|
|
|
1937 |
pData->bHasGAMA = MNG_TRUE; /* indicate we've got it */
|
|
|
1938 |
else
|
|
|
1939 |
pData->bHasglobalGAMA = (mng_bool)(iRawlen != 0);
|
|
|
1940 |
|
|
|
1941 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
1942 |
#ifdef MNG_INCLUDE_JNG
|
|
|
1943 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
1944 |
#else
|
|
|
1945 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
1946 |
#endif
|
|
|
1947 |
{
|
|
|
1948 |
mng_imagep pImage;
|
|
|
1949 |
|
|
|
1950 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
1951 |
if (pData->bHasDHDR) /* update delta image ? */
|
|
|
1952 |
{ /* store in object 0 ! */
|
|
|
1953 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
1954 |
/* store for color-processing routines */
|
|
|
1955 |
pImage->pImgbuf->iGamma = mng_get_uint32 (pRawdata);
|
|
|
1956 |
pImage->pImgbuf->bHasGAMA = MNG_TRUE;
|
|
|
1957 |
}
|
|
|
1958 |
else
|
|
|
1959 |
#endif
|
|
|
1960 |
{
|
|
|
1961 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
1962 |
|
|
|
1963 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
|
1964 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
1965 |
/* store for color-processing routines */
|
|
|
1966 |
pImage->pImgbuf->iGamma = mng_get_uint32 (pRawdata);
|
|
|
1967 |
pImage->pImgbuf->bHasGAMA = MNG_TRUE;
|
|
|
1968 |
}
|
|
|
1969 |
}
|
|
|
1970 |
else
|
|
|
1971 |
{ /* store as global */
|
|
|
1972 |
if (iRawlen != 0)
|
|
|
1973 |
pData->iGlobalGamma = mng_get_uint32 (pRawdata);
|
|
|
1974 |
|
|
|
1975 |
{ /* create an animation object */
|
|
|
1976 |
mng_retcode iRetcode = mng_create_ani_gama (pData, (mng_bool)(iRawlen == 0),
|
|
|
1977 |
pData->iGlobalGamma);
|
|
|
1978 |
|
|
|
1979 |
if (iRetcode) /* on error bail out */
|
|
|
1980 |
return iRetcode;
|
|
|
1981 |
}
|
|
|
1982 |
}
|
|
|
1983 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
1984 |
|
|
|
1985 |
#ifdef MNG_STORE_CHUNKS
|
|
|
1986 |
if (pData->bStorechunks)
|
|
|
1987 |
{ /* initialize storage */
|
|
|
1988 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
1989 |
|
|
|
1990 |
if (iRetcode) /* on error bail out */
|
|
|
1991 |
return iRetcode;
|
|
|
1992 |
/* store the fields */
|
|
|
1993 |
((mng_gamap)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
1994 |
|
|
|
1995 |
if (iRawlen)
|
|
|
1996 |
((mng_gamap)*ppChunk)->iGamma = mng_get_uint32 (pRawdata);
|
|
|
1997 |
|
|
|
1998 |
}
|
|
|
1999 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
2000 |
|
|
|
2001 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2002 |
MNG_TRACE (pData, MNG_FN_READ_GAMA, MNG_LC_END);
|
|
|
2003 |
#endif
|
|
|
2004 |
|
|
|
2005 |
return MNG_NOERROR; /* done */
|
|
|
2006 |
}
|
|
|
2007 |
#endif
|
|
|
2008 |
|
|
|
2009 |
/* ************************************************************************** */
|
|
|
2010 |
|
|
|
2011 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
2012 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
|
2013 |
READ_CHUNK (mng_read_chrm)
|
|
|
2014 |
{
|
|
|
2015 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2016 |
MNG_TRACE (pData, MNG_FN_READ_CHRM, MNG_LC_START);
|
|
|
2017 |
#endif
|
|
|
2018 |
/* sequence checks */
|
|
|
2019 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2020 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2021 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
2022 |
#else
|
|
|
2023 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2024 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
2025 |
#endif
|
|
|
2026 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
2027 |
|
|
|
2028 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2029 |
if ((pData->bHasIDAT) || (pData->bHasPLTE) || (pData->bHasJDAT) || (pData->bHasJDAA))
|
|
|
2030 |
#else
|
|
|
2031 |
if ((pData->bHasIDAT) || (pData->bHasPLTE))
|
|
|
2032 |
#endif
|
|
|
2033 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
2034 |
|
|
|
2035 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2036 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
2037 |
#else
|
|
|
2038 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
2039 |
#endif
|
|
|
2040 |
{ /* length must be exactly 32 */
|
|
|
2041 |
if (iRawlen != 32)
|
|
|
2042 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
2043 |
}
|
|
|
2044 |
else
|
|
|
2045 |
{ /* length must be empty or exactly 32 */
|
|
|
2046 |
if ((iRawlen != 0) && (iRawlen != 32))
|
|
|
2047 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
2048 |
}
|
|
|
2049 |
|
|
|
2050 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2051 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
2052 |
#else
|
|
|
2053 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
2054 |
#endif
|
|
|
2055 |
pData->bHasCHRM = MNG_TRUE; /* indicate we've got it */
|
|
|
2056 |
else
|
|
|
2057 |
pData->bHasglobalCHRM = (mng_bool)(iRawlen != 0);
|
|
|
2058 |
|
|
|
2059 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
2060 |
{
|
|
|
2061 |
mng_uint32 iWhitepointx, iWhitepointy;
|
|
|
2062 |
mng_uint32 iPrimaryredx, iPrimaryredy;
|
|
|
2063 |
mng_uint32 iPrimarygreenx, iPrimarygreeny;
|
|
|
2064 |
mng_uint32 iPrimarybluex, iPrimarybluey;
|
|
|
2065 |
|
|
|
2066 |
iWhitepointx = mng_get_uint32 (pRawdata);
|
|
|
2067 |
iWhitepointy = mng_get_uint32 (pRawdata+4);
|
|
|
2068 |
iPrimaryredx = mng_get_uint32 (pRawdata+8);
|
|
|
2069 |
iPrimaryredy = mng_get_uint32 (pRawdata+12);
|
|
|
2070 |
iPrimarygreenx = mng_get_uint32 (pRawdata+16);
|
|
|
2071 |
iPrimarygreeny = mng_get_uint32 (pRawdata+20);
|
|
|
2072 |
iPrimarybluex = mng_get_uint32 (pRawdata+24);
|
|
|
2073 |
iPrimarybluey = mng_get_uint32 (pRawdata+28);
|
|
|
2074 |
|
|
|
2075 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2076 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
2077 |
#else
|
|
|
2078 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
2079 |
#endif
|
|
|
2080 |
{
|
|
|
2081 |
mng_imagep pImage;
|
|
|
2082 |
mng_imagedatap pBuf;
|
|
|
2083 |
|
|
|
2084 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
2085 |
if (pData->bHasDHDR) /* update delta image ? */
|
|
|
2086 |
{ /* store it in object 0 ! */
|
|
|
2087 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
2088 |
|
|
|
2089 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
|
2090 |
pBuf->bHasCHRM = MNG_TRUE; /* and tell it it's got a CHRM now */
|
|
|
2091 |
/* store for color-processing routines */
|
|
|
2092 |
pBuf->iWhitepointx = iWhitepointx;
|
|
|
2093 |
pBuf->iWhitepointy = iWhitepointy;
|
|
|
2094 |
pBuf->iPrimaryredx = iPrimaryredx;
|
|
|
2095 |
pBuf->iPrimaryredy = iPrimaryredy;
|
|
|
2096 |
pBuf->iPrimarygreenx = iPrimarygreenx;
|
|
|
2097 |
pBuf->iPrimarygreeny = iPrimarygreeny;
|
|
|
2098 |
pBuf->iPrimarybluex = iPrimarybluex;
|
|
|
2099 |
pBuf->iPrimarybluey = iPrimarybluey;
|
|
|
2100 |
}
|
|
|
2101 |
else
|
|
|
2102 |
#endif
|
|
|
2103 |
{
|
|
|
2104 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
2105 |
|
|
|
2106 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
|
2107 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
2108 |
|
|
|
2109 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
|
2110 |
pBuf->bHasCHRM = MNG_TRUE; /* and tell it it's got a CHRM now */
|
|
|
2111 |
/* store for color-processing routines */
|
|
|
2112 |
pBuf->iWhitepointx = iWhitepointx;
|
|
|
2113 |
pBuf->iWhitepointy = iWhitepointy;
|
|
|
2114 |
pBuf->iPrimaryredx = iPrimaryredx;
|
|
|
2115 |
pBuf->iPrimaryredy = iPrimaryredy;
|
|
|
2116 |
pBuf->iPrimarygreenx = iPrimarygreenx;
|
|
|
2117 |
pBuf->iPrimarygreeny = iPrimarygreeny;
|
|
|
2118 |
pBuf->iPrimarybluex = iPrimarybluex;
|
|
|
2119 |
pBuf->iPrimarybluey = iPrimarybluey;
|
|
|
2120 |
}
|
|
|
2121 |
}
|
|
|
2122 |
else
|
|
|
2123 |
{ /* store as global */
|
|
|
2124 |
if (iRawlen != 0)
|
|
|
2125 |
{
|
|
|
2126 |
pData->iGlobalWhitepointx = iWhitepointx;
|
|
|
2127 |
pData->iGlobalWhitepointy = iWhitepointy;
|
|
|
2128 |
pData->iGlobalPrimaryredx = iPrimaryredx;
|
|
|
2129 |
pData->iGlobalPrimaryredy = iPrimaryredy;
|
|
|
2130 |
pData->iGlobalPrimarygreenx = iPrimarygreenx;
|
|
|
2131 |
pData->iGlobalPrimarygreeny = iPrimarygreeny;
|
|
|
2132 |
pData->iGlobalPrimarybluex = iPrimarybluex;
|
|
|
2133 |
pData->iGlobalPrimarybluey = iPrimarybluey;
|
|
|
2134 |
}
|
|
|
2135 |
|
|
|
2136 |
{ /* create an animation object */
|
|
|
2137 |
mng_retcode iRetcode = mng_create_ani_chrm (pData, (mng_bool)(iRawlen == 0),
|
|
|
2138 |
iWhitepointx, iWhitepointy,
|
|
|
2139 |
iPrimaryredx, iPrimaryredy,
|
|
|
2140 |
iPrimarygreenx, iPrimarygreeny,
|
|
|
2141 |
iPrimarybluex, iPrimarybluey);
|
|
|
2142 |
|
|
|
2143 |
if (iRetcode) /* on error bail out */
|
|
|
2144 |
return iRetcode;
|
|
|
2145 |
}
|
|
|
2146 |
}
|
|
|
2147 |
}
|
|
|
2148 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
2149 |
|
|
|
2150 |
#ifdef MNG_STORE_CHUNKS
|
|
|
2151 |
if (pData->bStorechunks)
|
|
|
2152 |
{ /* initialize storage */
|
|
|
2153 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
2154 |
|
|
|
2155 |
if (iRetcode) /* on error bail out */
|
|
|
2156 |
return iRetcode;
|
|
|
2157 |
/* store the fields */
|
|
|
2158 |
((mng_chrmp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
2159 |
|
|
|
2160 |
if (iRawlen)
|
|
|
2161 |
{
|
|
|
2162 |
((mng_chrmp)*ppChunk)->iWhitepointx = mng_get_uint32 (pRawdata);
|
|
|
2163 |
((mng_chrmp)*ppChunk)->iWhitepointy = mng_get_uint32 (pRawdata+4);
|
|
|
2164 |
((mng_chrmp)*ppChunk)->iRedx = mng_get_uint32 (pRawdata+8);
|
|
|
2165 |
((mng_chrmp)*ppChunk)->iRedy = mng_get_uint32 (pRawdata+12);
|
|
|
2166 |
((mng_chrmp)*ppChunk)->iGreenx = mng_get_uint32 (pRawdata+16);
|
|
|
2167 |
((mng_chrmp)*ppChunk)->iGreeny = mng_get_uint32 (pRawdata+20);
|
|
|
2168 |
((mng_chrmp)*ppChunk)->iBluex = mng_get_uint32 (pRawdata+24);
|
|
|
2169 |
((mng_chrmp)*ppChunk)->iBluey = mng_get_uint32 (pRawdata+28);
|
|
|
2170 |
}
|
|
|
2171 |
}
|
|
|
2172 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
2173 |
|
|
|
2174 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2175 |
MNG_TRACE (pData, MNG_FN_READ_CHRM, MNG_LC_END);
|
|
|
2176 |
#endif
|
|
|
2177 |
|
|
|
2178 |
return MNG_NOERROR; /* done */
|
|
|
2179 |
}
|
|
|
2180 |
#endif
|
|
|
2181 |
#endif
|
|
|
2182 |
|
|
|
2183 |
/* ************************************************************************** */
|
|
|
2184 |
|
|
|
2185 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
2186 |
READ_CHUNK (mng_read_srgb)
|
|
|
2187 |
{
|
|
|
2188 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2189 |
MNG_TRACE (pData, MNG_FN_READ_SRGB, MNG_LC_START);
|
|
|
2190 |
#endif
|
|
|
2191 |
/* sequence checks */
|
|
|
2192 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2193 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2194 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
2195 |
#else
|
|
|
2196 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2197 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
2198 |
#endif
|
|
|
2199 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
2200 |
|
|
|
2201 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2202 |
if ((pData->bHasIDAT) || (pData->bHasPLTE) || (pData->bHasJDAT) || (pData->bHasJDAA))
|
|
|
2203 |
#else
|
|
|
2204 |
if ((pData->bHasIDAT) || (pData->bHasPLTE))
|
|
|
2205 |
#endif
|
|
|
2206 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
2207 |
|
|
|
2208 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2209 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
2210 |
#else
|
|
|
2211 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
2212 |
#endif
|
|
|
2213 |
{ /* length must be exactly 1 */
|
|
|
2214 |
if (iRawlen != 1)
|
|
|
2215 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
2216 |
}
|
|
|
2217 |
else
|
|
|
2218 |
{ /* length must be empty or exactly 1 */
|
|
|
2219 |
if ((iRawlen != 0) && (iRawlen != 1))
|
|
|
2220 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
2221 |
}
|
|
|
2222 |
|
|
|
2223 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2224 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
2225 |
#else
|
|
|
2226 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
2227 |
#endif
|
|
|
2228 |
pData->bHasSRGB = MNG_TRUE; /* indicate we've got it */
|
|
|
2229 |
else
|
|
|
2230 |
pData->bHasglobalSRGB = (mng_bool)(iRawlen != 0);
|
|
|
2231 |
|
|
|
2232 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
2233 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2234 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
2235 |
#else
|
|
|
2236 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
2237 |
#endif
|
|
|
2238 |
{
|
|
|
2239 |
mng_imagep pImage;
|
|
|
2240 |
|
|
|
2241 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
2242 |
if (pData->bHasDHDR) /* update delta image ? */
|
|
|
2243 |
{ /* store in object 0 ! */
|
|
|
2244 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
2245 |
/* store for color-processing routines */
|
|
|
2246 |
pImage->pImgbuf->iRenderingintent = *pRawdata;
|
|
|
2247 |
pImage->pImgbuf->bHasSRGB = MNG_TRUE;
|
|
|
2248 |
}
|
|
|
2249 |
else
|
|
|
2250 |
#endif
|
|
|
2251 |
{
|
|
|
2252 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
2253 |
|
|
|
2254 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
|
2255 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
2256 |
/* store for color-processing routines */
|
|
|
2257 |
pImage->pImgbuf->iRenderingintent = *pRawdata;
|
|
|
2258 |
pImage->pImgbuf->bHasSRGB = MNG_TRUE;
|
|
|
2259 |
}
|
|
|
2260 |
}
|
|
|
2261 |
else
|
|
|
2262 |
{ /* store as global */
|
|
|
2263 |
if (iRawlen != 0)
|
|
|
2264 |
pData->iGlobalRendintent = *pRawdata;
|
|
|
2265 |
|
|
|
2266 |
{ /* create an animation object */
|
|
|
2267 |
mng_retcode iRetcode = mng_create_ani_srgb (pData, (mng_bool)(iRawlen == 0),
|
|
|
2268 |
pData->iGlobalRendintent);
|
|
|
2269 |
|
|
|
2270 |
if (iRetcode) /* on error bail out */
|
|
|
2271 |
return iRetcode;
|
|
|
2272 |
}
|
|
|
2273 |
}
|
|
|
2274 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
2275 |
|
|
|
2276 |
#ifdef MNG_STORE_CHUNKS
|
|
|
2277 |
if (pData->bStorechunks)
|
|
|
2278 |
{ /* initialize storage */
|
|
|
2279 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
2280 |
|
|
|
2281 |
if (iRetcode) /* on error bail out */
|
|
|
2282 |
return iRetcode;
|
|
|
2283 |
/* store the fields */
|
|
|
2284 |
((mng_srgbp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
2285 |
|
|
|
2286 |
if (iRawlen)
|
|
|
2287 |
((mng_srgbp)*ppChunk)->iRenderingintent = *pRawdata;
|
|
|
2288 |
|
|
|
2289 |
}
|
|
|
2290 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
2291 |
|
|
|
2292 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2293 |
MNG_TRACE (pData, MNG_FN_READ_SRGB, MNG_LC_END);
|
|
|
2294 |
#endif
|
|
|
2295 |
|
|
|
2296 |
return MNG_NOERROR; /* done */
|
|
|
2297 |
}
|
|
|
2298 |
#endif
|
|
|
2299 |
|
|
|
2300 |
/* ************************************************************************** */
|
|
|
2301 |
|
|
|
2302 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
2303 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
|
2304 |
READ_CHUNK (mng_read_iccp)
|
|
|
2305 |
{
|
|
|
2306 |
mng_retcode iRetcode;
|
|
|
2307 |
mng_uint8p pTemp;
|
|
|
2308 |
mng_uint32 iCompressedsize;
|
|
|
2309 |
mng_uint32 iProfilesize;
|
|
|
2310 |
mng_uint32 iBufsize = 0;
|
|
|
2311 |
mng_uint8p pBuf = 0;
|
|
|
2312 |
|
|
|
2313 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2314 |
MNG_TRACE (pData, MNG_FN_READ_ICCP, MNG_LC_START);
|
|
|
2315 |
#endif
|
|
|
2316 |
/* sequence checks */
|
|
|
2317 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2318 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2319 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
2320 |
#else
|
|
|
2321 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2322 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
2323 |
#endif
|
|
|
2324 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
2325 |
|
|
|
2326 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2327 |
if ((pData->bHasIDAT) || (pData->bHasPLTE) || (pData->bHasJDAT) || (pData->bHasJDAA))
|
|
|
2328 |
#else
|
|
|
2329 |
if ((pData->bHasIDAT) || (pData->bHasPLTE))
|
|
|
2330 |
#endif
|
|
|
2331 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
2332 |
|
|
|
2333 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2334 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
2335 |
#else
|
|
|
2336 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
2337 |
#endif
|
|
|
2338 |
{ /* length must be at least 2 */
|
|
|
2339 |
if (iRawlen < 2)
|
|
|
2340 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
2341 |
}
|
|
|
2342 |
else
|
|
|
2343 |
{ /* length must be empty or at least 2 */
|
|
|
2344 |
if ((iRawlen != 0) && (iRawlen < 2))
|
|
|
2345 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
2346 |
}
|
|
|
2347 |
|
|
|
2348 |
pTemp = find_null (pRawdata); /* find null-separator */
|
|
|
2349 |
/* not found inside input-data ? */
|
|
|
2350 |
if ((pTemp - pRawdata) > (mng_int32)iRawlen)
|
|
|
2351 |
MNG_ERROR (pData, MNG_NULLNOTFOUND);
|
|
|
2352 |
/* determine size of compressed profile */
|
|
|
2353 |
iCompressedsize = (mng_uint32)(iRawlen - (pTemp - pRawdata) - 2);
|
|
|
2354 |
/* decompress the profile */
|
|
|
2355 |
iRetcode = mng_inflate_buffer (pData, pTemp+2, iCompressedsize,
|
|
|
2356 |
&pBuf, &iBufsize, &iProfilesize);
|
|
|
2357 |
|
|
|
2358 |
#ifdef MNG_CHECK_BAD_ICCP /* Check for bad iCCP chunk */
|
|
|
2359 |
if ((iRetcode) && (!strncmp ((char *)pRawdata, "Photoshop ICC profile", 21)))
|
|
|
2360 |
{
|
|
|
2361 |
if (iRawlen == 2615) /* is it the sRGB profile ? */
|
|
|
2362 |
{
|
|
|
2363 |
mng_chunk_header chunk_srgb =
|
|
|
2364 |
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
|
|
|
2365 |
{MNG_UINT_sRGB, mng_init_general, mng_free_general, mng_read_srgb, mng_write_srgb, mng_assign_general, 0, 0, sizeof(mng_srgb)};
|
|
|
2366 |
#else
|
|
|
2367 |
{MNG_UINT_sRGB, mng_init_srgb, mng_free_srgb, mng_read_srgb, mng_write_srgb, mng_assign_srgb, 0, 0};
|
|
|
2368 |
#endif
|
|
|
2369 |
/* pretend it's an sRGB chunk then ! */
|
|
|
2370 |
iRetcode = mng_read_srgb (pData, &chunk_srgb, 1, (mng_ptr)"0", ppChunk);
|
|
|
2371 |
|
|
|
2372 |
if (iRetcode) /* on error bail out */
|
|
|
2373 |
{ /* don't forget to drop the temp buffer */
|
|
|
2374 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2375 |
return iRetcode;
|
|
|
2376 |
}
|
|
|
2377 |
}
|
|
|
2378 |
}
|
|
|
2379 |
else
|
|
|
2380 |
{
|
|
|
2381 |
#endif /* MNG_CHECK_BAD_ICCP */
|
|
|
2382 |
|
|
|
2383 |
if (iRetcode) /* on error bail out */
|
|
|
2384 |
{ /* don't forget to drop the temp buffer */
|
|
|
2385 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2386 |
return iRetcode;
|
|
|
2387 |
}
|
|
|
2388 |
|
|
|
2389 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2390 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
2391 |
#else
|
|
|
2392 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
2393 |
#endif
|
|
|
2394 |
pData->bHasICCP = MNG_TRUE; /* indicate we've got it */
|
|
|
2395 |
else
|
|
|
2396 |
pData->bHasglobalICCP = (mng_bool)(iRawlen != 0);
|
|
|
2397 |
|
|
|
2398 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
2399 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2400 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
2401 |
#else
|
|
|
2402 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
2403 |
#endif
|
|
|
2404 |
{
|
|
|
2405 |
mng_imagep pImage;
|
|
|
2406 |
|
|
|
2407 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
2408 |
if (pData->bHasDHDR) /* update delta image ? */
|
|
|
2409 |
{ /* store in object 0 ! */
|
|
|
2410 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
2411 |
|
|
|
2412 |
if (pImage->pImgbuf->pProfile) /* profile existed ? */
|
|
|
2413 |
MNG_FREEX (pData, pImage->pImgbuf->pProfile, pImage->pImgbuf->iProfilesize);
|
|
|
2414 |
/* allocate a buffer & copy it */
|
|
|
2415 |
MNG_ALLOC (pData, pImage->pImgbuf->pProfile, iProfilesize);
|
|
|
2416 |
MNG_COPY (pImage->pImgbuf->pProfile, pBuf, iProfilesize);
|
|
|
2417 |
/* store its length as well */
|
|
|
2418 |
pImage->pImgbuf->iProfilesize = iProfilesize;
|
|
|
2419 |
pImage->pImgbuf->bHasICCP = MNG_TRUE;
|
|
|
2420 |
}
|
|
|
2421 |
else
|
|
|
2422 |
#endif
|
|
|
2423 |
{
|
|
|
2424 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
2425 |
|
|
|
2426 |
if (!pImage) /* no object then dump it in obj 0 */
|
|
|
2427 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
2428 |
|
|
|
2429 |
if (pImage->pImgbuf->pProfile) /* profile existed ? */
|
|
|
2430 |
MNG_FREEX (pData, pImage->pImgbuf->pProfile, pImage->pImgbuf->iProfilesize);
|
|
|
2431 |
/* allocate a buffer & copy it */
|
|
|
2432 |
MNG_ALLOC (pData, pImage->pImgbuf->pProfile, iProfilesize);
|
|
|
2433 |
MNG_COPY (pImage->pImgbuf->pProfile, pBuf, iProfilesize);
|
|
|
2434 |
/* store its length as well */
|
|
|
2435 |
pImage->pImgbuf->iProfilesize = iProfilesize;
|
|
|
2436 |
pImage->pImgbuf->bHasICCP = MNG_TRUE;
|
|
|
2437 |
}
|
|
|
2438 |
}
|
|
|
2439 |
else
|
|
|
2440 |
{ /* store as global */
|
|
|
2441 |
if (iRawlen == 0) /* empty chunk ? */
|
|
|
2442 |
{
|
|
|
2443 |
if (pData->pGlobalProfile) /* did we have a global profile ? */
|
|
|
2444 |
MNG_FREEX (pData, pData->pGlobalProfile, pData->iGlobalProfilesize);
|
|
|
2445 |
|
|
|
2446 |
pData->iGlobalProfilesize = 0; /* reset to null */
|
|
|
2447 |
pData->pGlobalProfile = MNG_NULL;
|
|
|
2448 |
}
|
|
|
2449 |
else
|
|
|
2450 |
{ /* allocate a global buffer & copy it */
|
|
|
2451 |
MNG_ALLOC (pData, pData->pGlobalProfile, iProfilesize);
|
|
|
2452 |
MNG_COPY (pData->pGlobalProfile, pBuf, iProfilesize);
|
|
|
2453 |
/* store its length as well */
|
|
|
2454 |
pData->iGlobalProfilesize = iProfilesize;
|
|
|
2455 |
}
|
|
|
2456 |
|
|
|
2457 |
/* create an animation object */
|
|
|
2458 |
iRetcode = mng_create_ani_iccp (pData, (mng_bool)(iRawlen == 0),
|
|
|
2459 |
pData->iGlobalProfilesize,
|
|
|
2460 |
pData->pGlobalProfile);
|
|
|
2461 |
|
|
|
2462 |
if (iRetcode) /* on error bail out */
|
|
|
2463 |
return iRetcode;
|
|
|
2464 |
}
|
|
|
2465 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
2466 |
|
|
|
2467 |
#ifdef MNG_STORE_CHUNKS
|
|
|
2468 |
if (pData->bStorechunks)
|
|
|
2469 |
{ /* initialize storage */
|
|
|
2470 |
iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
2471 |
|
|
|
2472 |
if (iRetcode) /* on error bail out */
|
|
|
2473 |
{ /* don't forget to drop the temp buffer */
|
|
|
2474 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2475 |
return iRetcode;
|
|
|
2476 |
}
|
|
|
2477 |
/* store the fields */
|
|
|
2478 |
((mng_iccpp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
2479 |
|
|
|
2480 |
if (iRawlen) /* not empty ? */
|
|
|
2481 |
{
|
|
|
2482 |
if (!pBuf) /* hasn't been unpuzzled it yet ? */
|
|
|
2483 |
{ /* find null-separator */
|
|
|
2484 |
pTemp = find_null (pRawdata);
|
|
|
2485 |
/* not found inside input-data ? */
|
|
|
2486 |
if ((pTemp - pRawdata) > (mng_int32)iRawlen)
|
|
|
2487 |
MNG_ERROR (pData, MNG_NULLNOTFOUND);
|
|
|
2488 |
/* determine size of compressed profile */
|
|
|
2489 |
iCompressedsize = iRawlen - (pTemp - pRawdata) - 2;
|
|
|
2490 |
/* decompress the profile */
|
|
|
2491 |
iRetcode = mng_inflate_buffer (pData, pTemp+2, iCompressedsize,
|
|
|
2492 |
&pBuf, &iBufsize, &iProfilesize);
|
|
|
2493 |
|
|
|
2494 |
if (iRetcode) /* on error bail out */
|
|
|
2495 |
{ /* don't forget to drop the temp buffer */
|
|
|
2496 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2497 |
return iRetcode;
|
|
|
2498 |
}
|
|
|
2499 |
}
|
|
|
2500 |
|
|
|
2501 |
((mng_iccpp)*ppChunk)->iNamesize = (mng_uint32)(pTemp - pRawdata);
|
|
|
2502 |
|
|
|
2503 |
if (((mng_iccpp)*ppChunk)->iNamesize)
|
|
|
2504 |
{
|
|
|
2505 |
MNG_ALLOC (pData, ((mng_iccpp)*ppChunk)->zName,
|
|
|
2506 |
((mng_iccpp)*ppChunk)->iNamesize + 1);
|
|
|
2507 |
MNG_COPY (((mng_iccpp)*ppChunk)->zName, pRawdata,
|
|
|
2508 |
((mng_iccpp)*ppChunk)->iNamesize);
|
|
|
2509 |
}
|
|
|
2510 |
|
|
|
2511 |
((mng_iccpp)*ppChunk)->iCompression = *(pTemp+1);
|
|
|
2512 |
((mng_iccpp)*ppChunk)->iProfilesize = iProfilesize;
|
|
|
2513 |
|
|
|
2514 |
MNG_ALLOC (pData, ((mng_iccpp)*ppChunk)->pProfile, iProfilesize);
|
|
|
2515 |
MNG_COPY (((mng_iccpp)*ppChunk)->pProfile, pBuf, iProfilesize);
|
|
|
2516 |
}
|
|
|
2517 |
}
|
|
|
2518 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
2519 |
|
|
|
2520 |
if (pBuf) /* free the temporary buffer */
|
|
|
2521 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2522 |
|
|
|
2523 |
#ifdef MNG_CHECK_BAD_ICCP
|
|
|
2524 |
}
|
|
|
2525 |
#endif
|
|
|
2526 |
|
|
|
2527 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2528 |
MNG_TRACE (pData, MNG_FN_READ_ICCP, MNG_LC_END);
|
|
|
2529 |
#endif
|
|
|
2530 |
|
|
|
2531 |
return MNG_NOERROR; /* done */
|
|
|
2532 |
}
|
|
|
2533 |
#endif
|
|
|
2534 |
#endif
|
|
|
2535 |
|
|
|
2536 |
/* ************************************************************************** */
|
|
|
2537 |
|
|
|
2538 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
2539 |
#ifndef MNG_SKIPCHUNK_tEXt
|
|
|
2540 |
READ_CHUNK (mng_read_text)
|
|
|
2541 |
{
|
|
|
2542 |
mng_uint32 iKeywordlen, iTextlen;
|
|
|
2543 |
mng_pchar zKeyword, zText;
|
|
|
2544 |
mng_uint8p pTemp;
|
|
|
2545 |
|
|
|
2546 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2547 |
MNG_TRACE (pData, MNG_FN_READ_TEXT, MNG_LC_START);
|
|
|
2548 |
#endif
|
|
|
2549 |
/* sequence checks */
|
|
|
2550 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2551 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2552 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
2553 |
#else
|
|
|
2554 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2555 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
2556 |
#endif
|
|
|
2557 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
2558 |
|
|
|
2559 |
if (iRawlen < 2) /* length must be at least 2 */
|
|
|
2560 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
2561 |
|
|
|
2562 |
pTemp = find_null (pRawdata); /* find the null separator */
|
|
|
2563 |
/* not found inside input-data ? */
|
|
|
2564 |
if ((pTemp - pRawdata) > (mng_int32)iRawlen)
|
|
|
2565 |
MNG_ERROR (pData, MNG_NULLNOTFOUND);
|
|
|
2566 |
|
|
|
2567 |
if (pTemp == pRawdata) /* there must be at least 1 char for keyword */
|
|
|
2568 |
MNG_ERROR (pData, MNG_KEYWORDNULL);
|
|
|
2569 |
|
|
|
2570 |
iKeywordlen = (mng_uint32)(pTemp - pRawdata);
|
|
|
2571 |
iTextlen = iRawlen - iKeywordlen - 1;
|
|
|
2572 |
|
|
|
2573 |
if (pData->fProcesstext) /* inform the application ? */
|
|
|
2574 |
{
|
|
|
2575 |
mng_bool bOke;
|
|
|
2576 |
|
|
|
2577 |
MNG_ALLOC (pData, zKeyword, iKeywordlen + 1);
|
|
|
2578 |
MNG_COPY (zKeyword, pRawdata, iKeywordlen);
|
|
|
2579 |
|
|
|
2580 |
MNG_ALLOCX (pData, zText, iTextlen + 1);
|
|
|
2581 |
|
|
|
2582 |
if (!zText) /* on error bail out */
|
|
|
2583 |
{
|
|
|
2584 |
MNG_FREEX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2585 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
|
2586 |
}
|
|
|
2587 |
|
|
|
2588 |
if (iTextlen)
|
|
|
2589 |
MNG_COPY (zText, pTemp+1, iTextlen);
|
|
|
2590 |
|
|
|
2591 |
bOke = pData->fProcesstext ((mng_handle)pData, MNG_TYPE_TEXT, zKeyword, zText, 0, 0);
|
|
|
2592 |
|
|
|
2593 |
MNG_FREEX (pData, zText, iTextlen + 1);
|
|
|
2594 |
MNG_FREEX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2595 |
|
|
|
2596 |
if (!bOke)
|
|
|
2597 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
2598 |
|
|
|
2599 |
}
|
|
|
2600 |
|
|
|
2601 |
#ifdef MNG_STORE_CHUNKS
|
|
|
2602 |
if (pData->bStorechunks)
|
|
|
2603 |
{ /* initialize storage */
|
|
|
2604 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
2605 |
|
|
|
2606 |
if (iRetcode) /* on error bail out */
|
|
|
2607 |
return iRetcode;
|
|
|
2608 |
/* store the fields */
|
|
|
2609 |
((mng_textp)*ppChunk)->iKeywordsize = iKeywordlen;
|
|
|
2610 |
((mng_textp)*ppChunk)->iTextsize = iTextlen;
|
|
|
2611 |
|
|
|
2612 |
if (iKeywordlen)
|
|
|
2613 |
{
|
|
|
2614 |
MNG_ALLOC (pData, ((mng_textp)*ppChunk)->zKeyword, iKeywordlen+1);
|
|
|
2615 |
MNG_COPY (((mng_textp)*ppChunk)->zKeyword, pRawdata, iKeywordlen);
|
|
|
2616 |
}
|
|
|
2617 |
|
|
|
2618 |
if (iTextlen)
|
|
|
2619 |
{
|
|
|
2620 |
MNG_ALLOC (pData, ((mng_textp)*ppChunk)->zText, iTextlen+1);
|
|
|
2621 |
MNG_COPY (((mng_textp)*ppChunk)->zText, pTemp+1, iTextlen);
|
|
|
2622 |
}
|
|
|
2623 |
}
|
|
|
2624 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
2625 |
|
|
|
2626 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2627 |
MNG_TRACE (pData, MNG_FN_READ_TEXT, MNG_LC_END);
|
|
|
2628 |
#endif
|
|
|
2629 |
|
|
|
2630 |
return MNG_NOERROR; /* done */
|
|
|
2631 |
}
|
|
|
2632 |
#endif
|
|
|
2633 |
#endif
|
|
|
2634 |
|
|
|
2635 |
/* ************************************************************************** */
|
|
|
2636 |
|
|
|
2637 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
2638 |
#ifndef MNG_SKIPCHUNK_zTXt
|
|
|
2639 |
READ_CHUNK (mng_read_ztxt)
|
|
|
2640 |
{
|
|
|
2641 |
mng_retcode iRetcode;
|
|
|
2642 |
mng_uint32 iKeywordlen, iTextlen;
|
|
|
2643 |
mng_pchar zKeyword;
|
|
|
2644 |
mng_uint8p pTemp;
|
|
|
2645 |
mng_uint32 iCompressedsize;
|
|
|
2646 |
mng_uint32 iBufsize;
|
|
|
2647 |
mng_uint8p pBuf;
|
|
|
2648 |
|
|
|
2649 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2650 |
MNG_TRACE (pData, MNG_FN_READ_ZTXT, MNG_LC_START);
|
|
|
2651 |
#endif
|
|
|
2652 |
/* sequence checks */
|
|
|
2653 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2654 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2655 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
2656 |
#else
|
|
|
2657 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2658 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
2659 |
#endif
|
|
|
2660 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
2661 |
|
|
|
2662 |
if (iRawlen < 3) /* length must be at least 3 */
|
|
|
2663 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
2664 |
|
|
|
2665 |
pTemp = find_null (pRawdata); /* find the null separator */
|
|
|
2666 |
/* not found inside input-data ? */
|
|
|
2667 |
if ((pTemp - pRawdata) > (mng_int32)iRawlen)
|
|
|
2668 |
MNG_ERROR (pData, MNG_NULLNOTFOUND);
|
|
|
2669 |
|
|
|
2670 |
if (pTemp == pRawdata) /* there must be at least 1 char for keyword */
|
|
|
2671 |
MNG_ERROR (pData, MNG_KEYWORDNULL);
|
|
|
2672 |
|
|
|
2673 |
if (*(pTemp+1) != 0) /* only deflate compression-method allowed */
|
|
|
2674 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
|
2675 |
|
|
|
2676 |
iKeywordlen = (mng_uint32)(pTemp - pRawdata);
|
|
|
2677 |
iCompressedsize = (mng_uint32)(iRawlen - iKeywordlen - 2);
|
|
|
2678 |
|
|
|
2679 |
zKeyword = 0; /* there's no keyword buffer yet */
|
|
|
2680 |
pBuf = 0; /* or a temporary buffer ! */
|
|
|
2681 |
|
|
|
2682 |
if (pData->fProcesstext) /* inform the application ? */
|
|
|
2683 |
{ /* decompress the text */
|
|
|
2684 |
iRetcode = mng_inflate_buffer (pData, pTemp+2, iCompressedsize,
|
|
|
2685 |
&pBuf, &iBufsize, &iTextlen);
|
|
|
2686 |
|
|
|
2687 |
if (iRetcode) /* on error bail out */
|
|
|
2688 |
{ /* don't forget to drop the temp buffers */
|
|
|
2689 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2690 |
return iRetcode;
|
|
|
2691 |
}
|
|
|
2692 |
|
|
|
2693 |
MNG_ALLOCX (pData, zKeyword, iKeywordlen+1);
|
|
|
2694 |
|
|
|
2695 |
if (!zKeyword) /* on error bail out */
|
|
|
2696 |
{ /* don't forget to drop the temp buffers */
|
|
|
2697 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2698 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
|
2699 |
}
|
|
|
2700 |
|
|
|
2701 |
MNG_COPY (zKeyword, pRawdata, iKeywordlen);
|
|
|
2702 |
|
|
|
2703 |
if (!pData->fProcesstext ((mng_handle)pData, MNG_TYPE_ZTXT, zKeyword, (mng_pchar)pBuf, 0, 0))
|
|
|
2704 |
{ /* don't forget to drop the temp buffers */
|
|
|
2705 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2706 |
MNG_FREEX (pData, zKeyword, iKeywordlen+1);
|
|
|
2707 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
2708 |
}
|
|
|
2709 |
}
|
|
|
2710 |
|
|
|
2711 |
#ifdef MNG_STORE_CHUNKS
|
|
|
2712 |
if (pData->bStorechunks)
|
|
|
2713 |
{ /* initialize storage */
|
|
|
2714 |
iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
2715 |
|
|
|
2716 |
if (iRetcode) /* on error bail out */
|
|
|
2717 |
{ /* don't forget to drop the temp buffers */
|
|
|
2718 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2719 |
MNG_FREEX (pData, zKeyword, iKeywordlen+1);
|
|
|
2720 |
return iRetcode;
|
|
|
2721 |
}
|
|
|
2722 |
/* store the fields */
|
|
|
2723 |
((mng_ztxtp)*ppChunk)->iKeywordsize = iKeywordlen;
|
|
|
2724 |
((mng_ztxtp)*ppChunk)->iCompression = *(pTemp+1);
|
|
|
2725 |
|
|
|
2726 |
if ((!pBuf) && (iCompressedsize)) /* did we not get a text-buffer yet ? */
|
|
|
2727 |
{ /* decompress the text */
|
|
|
2728 |
iRetcode = mng_inflate_buffer (pData, pTemp+2, iCompressedsize,
|
|
|
2729 |
&pBuf, &iBufsize, &iTextlen);
|
|
|
2730 |
|
|
|
2731 |
if (iRetcode) /* on error bail out */
|
|
|
2732 |
{ /* don't forget to drop the temp buffers */
|
|
|
2733 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2734 |
MNG_FREEX (pData, zKeyword, iKeywordlen+1);
|
|
|
2735 |
return iRetcode;
|
|
|
2736 |
}
|
|
|
2737 |
}
|
|
|
2738 |
|
|
|
2739 |
MNG_ALLOCX (pData, ((mng_ztxtp)*ppChunk)->zKeyword, iKeywordlen + 1);
|
|
|
2740 |
/* on error bail out */
|
|
|
2741 |
if (!((mng_ztxtp)*ppChunk)->zKeyword)
|
|
|
2742 |
{ /* don't forget to drop the temp buffers */
|
|
|
2743 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2744 |
MNG_FREEX (pData, zKeyword, iKeywordlen+1);
|
|
|
2745 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
|
2746 |
}
|
|
|
2747 |
|
|
|
2748 |
MNG_COPY (((mng_ztxtp)*ppChunk)->zKeyword, pRawdata, iKeywordlen);
|
|
|
2749 |
|
|
|
2750 |
((mng_ztxtp)*ppChunk)->iTextsize = iTextlen;
|
|
|
2751 |
|
|
|
2752 |
if (iCompressedsize)
|
|
|
2753 |
{
|
|
|
2754 |
MNG_ALLOCX (pData, ((mng_ztxtp)*ppChunk)->zText, iTextlen + 1);
|
|
|
2755 |
/* on error bail out */
|
|
|
2756 |
if (!((mng_ztxtp)*ppChunk)->zText)
|
|
|
2757 |
{ /* don't forget to drop the temp buffers */
|
|
|
2758 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2759 |
MNG_FREEX (pData, zKeyword, iKeywordlen+1);
|
|
|
2760 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
|
2761 |
}
|
|
|
2762 |
|
|
|
2763 |
MNG_COPY (((mng_ztxtp)*ppChunk)->zText, pBuf, iTextlen);
|
|
|
2764 |
}
|
|
|
2765 |
}
|
|
|
2766 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
2767 |
|
|
|
2768 |
MNG_FREEX (pData, pBuf, iBufsize); /* free the temporary buffers */
|
|
|
2769 |
MNG_FREEX (pData, zKeyword, iKeywordlen+1);
|
|
|
2770 |
|
|
|
2771 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2772 |
MNG_TRACE (pData, MNG_FN_READ_ZTXT, MNG_LC_END);
|
|
|
2773 |
#endif
|
|
|
2774 |
|
|
|
2775 |
return MNG_NOERROR; /* done */
|
|
|
2776 |
}
|
|
|
2777 |
#endif
|
|
|
2778 |
#endif
|
|
|
2779 |
|
|
|
2780 |
/* ************************************************************************** */
|
|
|
2781 |
|
|
|
2782 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
2783 |
#ifndef MNG_SKIPCHUNK_iTXt
|
|
|
2784 |
READ_CHUNK (mng_read_itxt)
|
|
|
2785 |
{
|
|
|
2786 |
mng_retcode iRetcode;
|
|
|
2787 |
mng_uint32 iKeywordlen, iTextlen, iLanguagelen, iTranslationlen;
|
|
|
2788 |
mng_pchar zKeyword, zLanguage, zTranslation;
|
|
|
2789 |
mng_uint8p pNull1, pNull2, pNull3;
|
|
|
2790 |
mng_uint32 iCompressedsize;
|
|
|
2791 |
mng_uint8 iCompressionflag;
|
|
|
2792 |
mng_uint32 iBufsize;
|
|
|
2793 |
mng_uint8p pBuf;
|
|
|
2794 |
|
|
|
2795 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2796 |
MNG_TRACE (pData, MNG_FN_READ_ITXT, MNG_LC_START);
|
|
|
2797 |
#endif
|
|
|
2798 |
/* sequence checks */
|
|
|
2799 |
#ifdef MNG_INCLUDE_JNG
|
|
|
2800 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2801 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
2802 |
#else
|
|
|
2803 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
2804 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
2805 |
#endif
|
|
|
2806 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
2807 |
|
|
|
2808 |
if (iRawlen < 6) /* length must be at least 6 */
|
|
|
2809 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
2810 |
|
|
|
2811 |
pNull1 = find_null (pRawdata); /* find the null separators */
|
|
|
2812 |
pNull2 = find_null (pNull1+3);
|
|
|
2813 |
pNull3 = find_null (pNull2+1);
|
|
|
2814 |
/* not found inside input-data ? */
|
|
|
2815 |
if (((pNull1 - pRawdata) > (mng_int32)iRawlen) ||
|
|
|
2816 |
((pNull2 - pRawdata) > (mng_int32)iRawlen) ||
|
|
|
2817 |
((pNull3 - pRawdata) > (mng_int32)iRawlen) )
|
|
|
2818 |
MNG_ERROR (pData, MNG_NULLNOTFOUND);
|
|
|
2819 |
|
|
|
2820 |
if (pNull1 == pRawdata) /* there must be at least 1 char for keyword */
|
|
|
2821 |
MNG_ERROR (pData, MNG_KEYWORDNULL);
|
|
|
2822 |
/* compression or not ? */
|
|
|
2823 |
if ((*(pNull1+1) != 0) && (*(pNull1+1) != 1))
|
|
|
2824 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
|
2825 |
|
|
|
2826 |
if (*(pNull1+2) != 0) /* only deflate compression-method allowed */
|
|
|
2827 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
|
2828 |
|
|
|
2829 |
iKeywordlen = (mng_uint32)(pNull1 - pRawdata);
|
|
|
2830 |
iLanguagelen = (mng_uint32)(pNull2 - pNull1 - 3);
|
|
|
2831 |
iTranslationlen = (mng_uint32)(pNull3 - pNull2 - 1);
|
|
|
2832 |
iCompressedsize = (mng_uint32)(iRawlen - iKeywordlen - iLanguagelen - iTranslationlen - 5);
|
|
|
2833 |
iCompressionflag = *(pNull1+1);
|
|
|
2834 |
|
|
|
2835 |
zKeyword = 0; /* no buffers acquired yet */
|
|
|
2836 |
zLanguage = 0;
|
|
|
2837 |
zTranslation = 0;
|
|
|
2838 |
pBuf = 0;
|
|
|
2839 |
iTextlen = 0;
|
|
|
2840 |
|
|
|
2841 |
if (pData->fProcesstext) /* inform the application ? */
|
|
|
2842 |
{
|
|
|
2843 |
if (iCompressionflag) /* decompress the text ? */
|
|
|
2844 |
{
|
|
|
2845 |
iRetcode = mng_inflate_buffer (pData, pNull3+1, iCompressedsize,
|
|
|
2846 |
&pBuf, &iBufsize, &iTextlen);
|
|
|
2847 |
|
|
|
2848 |
if (iRetcode) /* on error bail out */
|
|
|
2849 |
{ /* don't forget to drop the temp buffer */
|
|
|
2850 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2851 |
return iRetcode;
|
|
|
2852 |
}
|
|
|
2853 |
}
|
|
|
2854 |
else
|
|
|
2855 |
{
|
|
|
2856 |
iTextlen = iCompressedsize;
|
|
|
2857 |
iBufsize = iTextlen+1; /* plus 1 for terminator byte!!! */
|
|
|
2858 |
|
|
|
2859 |
MNG_ALLOC (pData, pBuf, iBufsize);
|
|
|
2860 |
MNG_COPY (pBuf, pNull3+1, iTextlen);
|
|
|
2861 |
}
|
|
|
2862 |
|
|
|
2863 |
MNG_ALLOCX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2864 |
MNG_ALLOCX (pData, zLanguage, iLanguagelen + 1);
|
|
|
2865 |
MNG_ALLOCX (pData, zTranslation, iTranslationlen + 1);
|
|
|
2866 |
/* on error bail out */
|
|
|
2867 |
if ((!zKeyword) || (!zLanguage) || (!zTranslation))
|
|
|
2868 |
{ /* don't forget to drop the temp buffers */
|
|
|
2869 |
MNG_FREEX (pData, zTranslation, iTranslationlen + 1);
|
|
|
2870 |
MNG_FREEX (pData, zLanguage, iLanguagelen + 1);
|
|
|
2871 |
MNG_FREEX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2872 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2873 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
|
2874 |
}
|
|
|
2875 |
|
|
|
2876 |
MNG_COPY (zKeyword, pRawdata, iKeywordlen);
|
|
|
2877 |
MNG_COPY (zLanguage, pNull1+3, iLanguagelen);
|
|
|
2878 |
MNG_COPY (zTranslation, pNull2+1, iTranslationlen);
|
|
|
2879 |
|
|
|
2880 |
if (!pData->fProcesstext ((mng_handle)pData, MNG_TYPE_ITXT, zKeyword, (mng_pchar)pBuf,
|
|
|
2881 |
zLanguage, zTranslation))
|
|
|
2882 |
{ /* don't forget to drop the temp buffers */
|
|
|
2883 |
MNG_FREEX (pData, zTranslation, iTranslationlen + 1);
|
|
|
2884 |
MNG_FREEX (pData, zLanguage, iLanguagelen + 1);
|
|
|
2885 |
MNG_FREEX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2886 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2887 |
|
|
|
2888 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
2889 |
}
|
|
|
2890 |
}
|
|
|
2891 |
|
|
|
2892 |
#ifdef MNG_STORE_CHUNKS
|
|
|
2893 |
if (pData->bStorechunks)
|
|
|
2894 |
{ /* initialize storage */
|
|
|
2895 |
iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
2896 |
|
|
|
2897 |
if (iRetcode) /* on error bail out */
|
|
|
2898 |
{ /* don't forget to drop the temp buffers */
|
|
|
2899 |
MNG_FREEX (pData, zTranslation, iTranslationlen + 1);
|
|
|
2900 |
MNG_FREEX (pData, zLanguage, iLanguagelen + 1);
|
|
|
2901 |
MNG_FREEX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2902 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2903 |
return iRetcode;
|
|
|
2904 |
}
|
|
|
2905 |
/* store the fields */
|
|
|
2906 |
((mng_itxtp)*ppChunk)->iKeywordsize = iKeywordlen;
|
|
|
2907 |
((mng_itxtp)*ppChunk)->iLanguagesize = iLanguagelen;
|
|
|
2908 |
((mng_itxtp)*ppChunk)->iTranslationsize = iTranslationlen;
|
|
|
2909 |
((mng_itxtp)*ppChunk)->iCompressionflag = *(pNull1+1);
|
|
|
2910 |
((mng_itxtp)*ppChunk)->iCompressionmethod = *(pNull1+2);
|
|
|
2911 |
|
|
|
2912 |
if ((!pBuf) && (iCompressedsize)) /* did we not get a text-buffer yet ? */
|
|
|
2913 |
{
|
|
|
2914 |
if (iCompressionflag) /* decompress the text ? */
|
|
|
2915 |
{
|
|
|
2916 |
iRetcode = mng_inflate_buffer (pData, pNull3+1, iCompressedsize,
|
|
|
2917 |
&pBuf, &iBufsize, &iTextlen);
|
|
|
2918 |
|
|
|
2919 |
if (iRetcode) /* on error bail out */
|
|
|
2920 |
{ /* don't forget to drop the temp buffers */
|
|
|
2921 |
MNG_FREEX (pData, zTranslation, iTranslationlen + 1);
|
|
|
2922 |
MNG_FREEX (pData, zLanguage, iLanguagelen + 1);
|
|
|
2923 |
MNG_FREEX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2924 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2925 |
return iRetcode;
|
|
|
2926 |
}
|
|
|
2927 |
}
|
|
|
2928 |
else
|
|
|
2929 |
{
|
|
|
2930 |
iTextlen = iCompressedsize;
|
|
|
2931 |
iBufsize = iTextlen+1; /* plus 1 for terminator byte!!! */
|
|
|
2932 |
|
|
|
2933 |
MNG_ALLOC (pData, pBuf, iBufsize);
|
|
|
2934 |
MNG_COPY (pBuf, pNull3+1, iTextlen);
|
|
|
2935 |
}
|
|
|
2936 |
}
|
|
|
2937 |
|
|
|
2938 |
MNG_ALLOCX (pData, ((mng_itxtp)*ppChunk)->zKeyword, iKeywordlen + 1);
|
|
|
2939 |
MNG_ALLOCX (pData, ((mng_itxtp)*ppChunk)->zLanguage, iLanguagelen + 1);
|
|
|
2940 |
MNG_ALLOCX (pData, ((mng_itxtp)*ppChunk)->zTranslation, iTranslationlen + 1);
|
|
|
2941 |
/* on error bail out */
|
|
|
2942 |
if ((!((mng_itxtp)*ppChunk)->zKeyword ) ||
|
|
|
2943 |
(!((mng_itxtp)*ppChunk)->zLanguage ) ||
|
|
|
2944 |
(!((mng_itxtp)*ppChunk)->zTranslation) )
|
|
|
2945 |
{ /* don't forget to drop the temp buffers */
|
|
|
2946 |
MNG_FREEX (pData, zTranslation, iTranslationlen + 1);
|
|
|
2947 |
MNG_FREEX (pData, zLanguage, iLanguagelen + 1);
|
|
|
2948 |
MNG_FREEX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2949 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2950 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
|
2951 |
}
|
|
|
2952 |
|
|
|
2953 |
MNG_COPY (((mng_itxtp)*ppChunk)->zKeyword, pRawdata, iKeywordlen);
|
|
|
2954 |
MNG_COPY (((mng_itxtp)*ppChunk)->zLanguage, pNull1+3, iLanguagelen);
|
|
|
2955 |
MNG_COPY (((mng_itxtp)*ppChunk)->zTranslation, pNull2+1, iTranslationlen);
|
|
|
2956 |
|
|
|
2957 |
((mng_itxtp)*ppChunk)->iTextsize = iTextlen;
|
|
|
2958 |
|
|
|
2959 |
if (iTextlen)
|
|
|
2960 |
{
|
|
|
2961 |
MNG_ALLOCX (pData, ((mng_itxtp)*ppChunk)->zText, iTextlen + 1);
|
|
|
2962 |
|
|
|
2963 |
if (!((mng_itxtp)*ppChunk)->zText)
|
|
|
2964 |
{ /* don't forget to drop the temp buffers */
|
|
|
2965 |
MNG_FREEX (pData, zTranslation, iTranslationlen + 1);
|
|
|
2966 |
MNG_FREEX (pData, zLanguage, iLanguagelen + 1);
|
|
|
2967 |
MNG_FREEX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2968 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2969 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
|
2970 |
}
|
|
|
2971 |
|
|
|
2972 |
MNG_COPY (((mng_itxtp)*ppChunk)->zText, pBuf, iTextlen);
|
|
|
2973 |
}
|
|
|
2974 |
}
|
|
|
2975 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
2976 |
/* free the temporary buffers */
|
|
|
2977 |
MNG_FREEX (pData, zTranslation, iTranslationlen + 1);
|
|
|
2978 |
MNG_FREEX (pData, zLanguage, iLanguagelen + 1);
|
|
|
2979 |
MNG_FREEX (pData, zKeyword, iKeywordlen + 1);
|
|
|
2980 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
2981 |
|
|
|
2982 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2983 |
MNG_TRACE (pData, MNG_FN_READ_ITXT, MNG_LC_END);
|
|
|
2984 |
#endif
|
|
|
2985 |
|
|
|
2986 |
return MNG_NOERROR; /* done */
|
|
|
2987 |
}
|
|
|
2988 |
#endif
|
|
|
2989 |
#endif
|
|
|
2990 |
|
|
|
2991 |
/* ************************************************************************** */
|
|
|
2992 |
|
|
|
2993 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
2994 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
|
2995 |
READ_CHUNK (mng_read_bkgd)
|
|
|
2996 |
{
|
|
|
2997 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
2998 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
2999 |
mng_imagedatap pBuf;
|
|
|
3000 |
#endif
|
|
|
3001 |
|
|
|
3002 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3003 |
MNG_TRACE (pData, MNG_FN_READ_BKGD, MNG_LC_START);
|
|
|
3004 |
#endif
|
|
|
3005 |
/* sequence checks */
|
|
|
3006 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3007 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
3008 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
3009 |
#else
|
|
|
3010 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
3011 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
3012 |
#endif
|
|
|
3013 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3014 |
|
|
|
3015 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3016 |
if ((pData->bHasIDAT) || (pData->bHasJDAT) || (pData->bHasJDAA))
|
|
|
3017 |
#else
|
|
|
3018 |
if (pData->bHasIDAT)
|
|
|
3019 |
#endif
|
|
|
3020 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3021 |
|
|
|
3022 |
if (iRawlen > 6) /* it just can't be bigger than that! */
|
|
|
3023 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3024 |
|
|
|
3025 |
#ifdef MNG_INCLUDE_JNG /* length checks */
|
|
|
3026 |
if (pData->bHasJHDR)
|
|
|
3027 |
{
|
|
|
3028 |
if (((pData->iJHDRcolortype == 8) || (pData->iJHDRcolortype == 12)) && (iRawlen != 2))
|
|
|
3029 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3030 |
|
|
|
3031 |
if (((pData->iJHDRcolortype == 10) || (pData->iJHDRcolortype == 14)) && (iRawlen != 6))
|
|
|
3032 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3033 |
}
|
|
|
3034 |
else
|
|
|
3035 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
3036 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
3037 |
{
|
|
|
3038 |
if (((pData->iColortype == 0) || (pData->iColortype == 4)) && (iRawlen != 2))
|
|
|
3039 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3040 |
|
|
|
3041 |
if (((pData->iColortype == 2) || (pData->iColortype == 6)) && (iRawlen != 6))
|
|
|
3042 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3043 |
|
|
|
3044 |
if ((pData->iColortype == 3) && (iRawlen != 1))
|
|
|
3045 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3046 |
}
|
|
|
3047 |
else
|
|
|
3048 |
{
|
|
|
3049 |
if (iRawlen != 6) /* global is always 16-bit RGB ! */
|
|
|
3050 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3051 |
}
|
|
|
3052 |
|
|
|
3053 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3054 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
3055 |
#else
|
|
|
3056 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
3057 |
#endif
|
|
|
3058 |
pData->bHasBKGD = MNG_TRUE; /* indicate bKGD available */
|
|
|
3059 |
else
|
|
|
3060 |
pData->bHasglobalBKGD = (mng_bool)(iRawlen != 0);
|
|
|
3061 |
|
|
|
3062 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
3063 |
if (!pImage) /* if no object dump it in obj 0 */
|
|
|
3064 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
3065 |
|
|
|
3066 |
pBuf = pImage->pImgbuf; /* address object buffer */
|
|
|
3067 |
|
|
|
3068 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3069 |
if (pData->bHasJHDR)
|
|
|
3070 |
{
|
|
|
3071 |
pBuf->bHasBKGD = MNG_TRUE; /* tell the object it's got bKGD now */
|
|
|
3072 |
|
|
|
3073 |
switch (pData->iJHDRcolortype) /* store fields for future reference */
|
|
|
3074 |
{
|
|
|
3075 |
case 8 : ; /* gray */
|
|
|
3076 |
case 12 : { /* graya */
|
|
|
3077 |
pBuf->iBKGDgray = mng_get_uint16 (pRawdata);
|
|
|
3078 |
break;
|
|
|
3079 |
}
|
|
|
3080 |
case 10 : ; /* rgb */
|
|
|
3081 |
case 14 : { /* rgba */
|
|
|
3082 |
pBuf->iBKGDred = mng_get_uint16 (pRawdata);
|
|
|
3083 |
pBuf->iBKGDgreen = mng_get_uint16 (pRawdata+2);
|
|
|
3084 |
pBuf->iBKGDblue = mng_get_uint16 (pRawdata+4);
|
|
|
3085 |
break;
|
|
|
3086 |
}
|
|
|
3087 |
}
|
|
|
3088 |
}
|
|
|
3089 |
else
|
|
|
3090 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
3091 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
3092 |
{
|
|
|
3093 |
pBuf->bHasBKGD = MNG_TRUE; /* tell the object it's got bKGD now */
|
|
|
3094 |
|
|
|
3095 |
switch (pData->iColortype) /* store fields for future reference */
|
|
|
3096 |
{
|
|
|
3097 |
case 0 : ; /* gray */
|
|
|
3098 |
case 4 : { /* graya */
|
|
|
3099 |
pBuf->iBKGDgray = mng_get_uint16 (pRawdata);
|
|
|
3100 |
break;
|
|
|
3101 |
}
|
|
|
3102 |
case 2 : ; /* rgb */
|
|
|
3103 |
case 6 : { /* rgba */
|
|
|
3104 |
pBuf->iBKGDred = mng_get_uint16 (pRawdata);
|
|
|
3105 |
pBuf->iBKGDgreen = mng_get_uint16 (pRawdata+2);
|
|
|
3106 |
pBuf->iBKGDblue = mng_get_uint16 (pRawdata+4);
|
|
|
3107 |
break;
|
|
|
3108 |
}
|
|
|
3109 |
case 3 : { /* indexed */
|
|
|
3110 |
pBuf->iBKGDindex = *pRawdata;
|
|
|
3111 |
break;
|
|
|
3112 |
}
|
|
|
3113 |
}
|
|
|
3114 |
}
|
|
|
3115 |
else /* store as global */
|
|
|
3116 |
{
|
|
|
3117 |
if (iRawlen)
|
|
|
3118 |
{
|
|
|
3119 |
pData->iGlobalBKGDred = mng_get_uint16 (pRawdata);
|
|
|
3120 |
pData->iGlobalBKGDgreen = mng_get_uint16 (pRawdata+2);
|
|
|
3121 |
pData->iGlobalBKGDblue = mng_get_uint16 (pRawdata+4);
|
|
|
3122 |
}
|
|
|
3123 |
|
|
|
3124 |
{ /* create an animation object */
|
|
|
3125 |
mng_retcode iRetcode = mng_create_ani_bkgd (pData, pData->iGlobalBKGDred,
|
|
|
3126 |
pData->iGlobalBKGDgreen,
|
|
|
3127 |
pData->iGlobalBKGDblue);
|
|
|
3128 |
|
|
|
3129 |
if (iRetcode) /* on error bail out */
|
|
|
3130 |
return iRetcode;
|
|
|
3131 |
}
|
|
|
3132 |
}
|
|
|
3133 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
3134 |
|
|
|
3135 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3136 |
if (pData->bStorechunks)
|
|
|
3137 |
{ /* initialize storage */
|
|
|
3138 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3139 |
|
|
|
3140 |
if (iRetcode) /* on error bail out */
|
|
|
3141 |
return iRetcode;
|
|
|
3142 |
/* store the fields */
|
|
|
3143 |
((mng_bkgdp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
3144 |
((mng_bkgdp)*ppChunk)->iType = pData->iColortype;
|
|
|
3145 |
|
|
|
3146 |
if (iRawlen)
|
|
|
3147 |
{
|
|
|
3148 |
switch (iRawlen) /* guess from length */
|
|
|
3149 |
{
|
|
|
3150 |
case 1 : { /* indexed */
|
|
|
3151 |
((mng_bkgdp)*ppChunk)->iType = 3;
|
|
|
3152 |
((mng_bkgdp)*ppChunk)->iIndex = *pRawdata;
|
|
|
3153 |
break;
|
|
|
3154 |
}
|
|
|
3155 |
case 2 : { /* gray */
|
|
|
3156 |
((mng_bkgdp)*ppChunk)->iType = 0;
|
|
|
3157 |
((mng_bkgdp)*ppChunk)->iGray = mng_get_uint16 (pRawdata);
|
|
|
3158 |
break;
|
|
|
3159 |
}
|
|
|
3160 |
case 6 : { /* rgb */
|
|
|
3161 |
((mng_bkgdp)*ppChunk)->iType = 2;
|
|
|
3162 |
((mng_bkgdp)*ppChunk)->iRed = mng_get_uint16 (pRawdata);
|
|
|
3163 |
((mng_bkgdp)*ppChunk)->iGreen = mng_get_uint16 (pRawdata+2);
|
|
|
3164 |
((mng_bkgdp)*ppChunk)->iBlue = mng_get_uint16 (pRawdata+4);
|
|
|
3165 |
break;
|
|
|
3166 |
}
|
|
|
3167 |
}
|
|
|
3168 |
}
|
|
|
3169 |
}
|
|
|
3170 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3171 |
|
|
|
3172 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3173 |
MNG_TRACE (pData, MNG_FN_READ_BKGD, MNG_LC_END);
|
|
|
3174 |
#endif
|
|
|
3175 |
|
|
|
3176 |
return MNG_NOERROR; /* done */
|
|
|
3177 |
}
|
|
|
3178 |
#endif
|
|
|
3179 |
#endif
|
|
|
3180 |
|
|
|
3181 |
/* ************************************************************************** */
|
|
|
3182 |
|
|
|
3183 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3184 |
#ifndef MNG_SKIPCHUNK_pHYs
|
|
|
3185 |
READ_CHUNK (mng_read_phys)
|
|
|
3186 |
{
|
|
|
3187 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3188 |
MNG_TRACE (pData, MNG_FN_READ_PHYS, MNG_LC_START);
|
|
|
3189 |
#endif
|
|
|
3190 |
/* sequence checks */
|
|
|
3191 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3192 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
3193 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
3194 |
#else
|
|
|
3195 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
3196 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
3197 |
#endif
|
|
|
3198 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3199 |
|
|
|
3200 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3201 |
if ((pData->bHasIDAT) || (pData->bHasJDAT) || (pData->bHasJDAA))
|
|
|
3202 |
#else
|
|
|
3203 |
if (pData->bHasIDAT)
|
|
|
3204 |
#endif
|
|
|
3205 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3206 |
/* it's 9 bytes or empty; no more, no less! */
|
|
|
3207 |
if ((iRawlen != 9) && (iRawlen != 0))
|
|
|
3208 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3209 |
|
|
|
3210 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
3211 |
{
|
|
|
3212 |
|
|
|
3213 |
|
|
|
3214 |
/* TODO: something !!! */
|
|
|
3215 |
|
|
|
3216 |
|
|
|
3217 |
}
|
|
|
3218 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
3219 |
|
|
|
3220 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3221 |
if (pData->bStorechunks)
|
|
|
3222 |
{ /* initialize storage */
|
|
|
3223 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3224 |
|
|
|
3225 |
if (iRetcode) /* on error bail out */
|
|
|
3226 |
return iRetcode;
|
|
|
3227 |
/* store the fields */
|
|
|
3228 |
((mng_physp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
3229 |
|
|
|
3230 |
if (iRawlen)
|
|
|
3231 |
{
|
|
|
3232 |
((mng_physp)*ppChunk)->iSizex = mng_get_uint32 (pRawdata);
|
|
|
3233 |
((mng_physp)*ppChunk)->iSizey = mng_get_uint32 (pRawdata+4);
|
|
|
3234 |
((mng_physp)*ppChunk)->iUnit = *(pRawdata+8);
|
|
|
3235 |
}
|
|
|
3236 |
}
|
|
|
3237 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3238 |
|
|
|
3239 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3240 |
MNG_TRACE (pData, MNG_FN_READ_PHYS, MNG_LC_END);
|
|
|
3241 |
#endif
|
|
|
3242 |
|
|
|
3243 |
return MNG_NOERROR; /* done */
|
|
|
3244 |
}
|
|
|
3245 |
#endif
|
|
|
3246 |
#endif
|
|
|
3247 |
|
|
|
3248 |
/* ************************************************************************** */
|
|
|
3249 |
|
|
|
3250 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3251 |
#ifndef MNG_SKIPCHUNK_sBIT
|
|
|
3252 |
READ_CHUNK (mng_read_sbit)
|
|
|
3253 |
{
|
|
|
3254 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3255 |
MNG_TRACE (pData, MNG_FN_READ_SBIT, MNG_LC_START);
|
|
|
3256 |
#endif
|
|
|
3257 |
/* sequence checks */
|
|
|
3258 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3259 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
3260 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
3261 |
#else
|
|
|
3262 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
3263 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
3264 |
#endif
|
|
|
3265 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3266 |
|
|
|
3267 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3268 |
if ((pData->bHasPLTE) || (pData->bHasIDAT) || (pData->bHasJDAT) || (pData->bHasJDAA))
|
|
|
3269 |
#else
|
|
|
3270 |
if ((pData->bHasPLTE) || (pData->bHasIDAT))
|
|
|
3271 |
#endif
|
|
|
3272 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3273 |
|
|
|
3274 |
if (iRawlen > 4) /* it just can't be bigger than that! */
|
|
|
3275 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3276 |
|
|
|
3277 |
#ifdef MNG_INCLUDE_JNG /* length checks */
|
|
|
3278 |
if (pData->bHasJHDR)
|
|
|
3279 |
{
|
|
|
3280 |
if ((pData->iJHDRcolortype == 8) && (iRawlen != 1))
|
|
|
3281 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3282 |
|
|
|
3283 |
if ((pData->iJHDRcolortype == 10) && (iRawlen != 3))
|
|
|
3284 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3285 |
|
|
|
3286 |
if ((pData->iJHDRcolortype == 12) && (iRawlen != 2))
|
|
|
3287 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3288 |
|
|
|
3289 |
if ((pData->iJHDRcolortype == 14) && (iRawlen != 4))
|
|
|
3290 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3291 |
}
|
|
|
3292 |
else
|
|
|
3293 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
3294 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
3295 |
{
|
|
|
3296 |
if ((pData->iColortype == 0) && (iRawlen != 1))
|
|
|
3297 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3298 |
|
|
|
3299 |
if ((pData->iColortype == 2) && (iRawlen != 3))
|
|
|
3300 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3301 |
|
|
|
3302 |
if ((pData->iColortype == 3) && (iRawlen != 3))
|
|
|
3303 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3304 |
|
|
|
3305 |
if ((pData->iColortype == 4) && (iRawlen != 2))
|
|
|
3306 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3307 |
|
|
|
3308 |
if ((pData->iColortype == 6) && (iRawlen != 4))
|
|
|
3309 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3310 |
}
|
|
|
3311 |
else
|
|
|
3312 |
{ /* global = empty or RGBA */
|
|
|
3313 |
if ((iRawlen != 0) && (iRawlen != 4))
|
|
|
3314 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3315 |
}
|
|
|
3316 |
|
|
|
3317 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
3318 |
{
|
|
|
3319 |
|
|
|
3320 |
|
|
|
3321 |
/* TODO: something !!! */
|
|
|
3322 |
|
|
|
3323 |
|
|
|
3324 |
}
|
|
|
3325 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
3326 |
|
|
|
3327 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3328 |
if (pData->bStorechunks)
|
|
|
3329 |
{ /* initialize storage */
|
|
|
3330 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3331 |
|
|
|
3332 |
if (iRetcode) /* on error bail out */
|
|
|
3333 |
return iRetcode;
|
|
|
3334 |
/* store the fields */
|
|
|
3335 |
((mng_sbitp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
3336 |
|
|
|
3337 |
if (iRawlen)
|
|
|
3338 |
{
|
|
|
3339 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3340 |
if (pData->bHasJHDR)
|
|
|
3341 |
((mng_sbitp)*ppChunk)->iType = pData->iJHDRcolortype;
|
|
|
3342 |
else
|
|
|
3343 |
#endif
|
|
|
3344 |
if (pData->bHasIHDR)
|
|
|
3345 |
((mng_sbitp)*ppChunk)->iType = pData->iColortype;
|
|
|
3346 |
else /* global ! */
|
|
|
3347 |
((mng_sbitp)*ppChunk)->iType = 6;
|
|
|
3348 |
|
|
|
3349 |
if (iRawlen > 0)
|
|
|
3350 |
((mng_sbitp)*ppChunk)->aBits [0] = *pRawdata;
|
|
|
3351 |
if (iRawlen > 1)
|
|
|
3352 |
((mng_sbitp)*ppChunk)->aBits [1] = *(pRawdata+1);
|
|
|
3353 |
if (iRawlen > 2)
|
|
|
3354 |
((mng_sbitp)*ppChunk)->aBits [2] = *(pRawdata+2);
|
|
|
3355 |
if (iRawlen > 3)
|
|
|
3356 |
((mng_sbitp)*ppChunk)->aBits [3] = *(pRawdata+3);
|
|
|
3357 |
|
|
|
3358 |
}
|
|
|
3359 |
}
|
|
|
3360 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3361 |
|
|
|
3362 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3363 |
MNG_TRACE (pData, MNG_FN_READ_SBIT, MNG_LC_END);
|
|
|
3364 |
#endif
|
|
|
3365 |
|
|
|
3366 |
return MNG_NOERROR; /* done */
|
|
|
3367 |
}
|
|
|
3368 |
#endif
|
|
|
3369 |
#endif
|
|
|
3370 |
|
|
|
3371 |
/* ************************************************************************** */
|
|
|
3372 |
|
|
|
3373 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3374 |
#ifndef MNG_SKIPCHUNK_sPLT
|
|
|
3375 |
READ_CHUNK (mng_read_splt)
|
|
|
3376 |
{
|
|
|
3377 |
mng_uint8p pTemp;
|
|
|
3378 |
mng_uint32 iNamelen;
|
|
|
3379 |
mng_uint8 iSampledepth;
|
|
|
3380 |
mng_uint32 iRemain;
|
|
|
3381 |
|
|
|
3382 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3383 |
MNG_TRACE (pData, MNG_FN_READ_SPLT, MNG_LC_START);
|
|
|
3384 |
#endif
|
|
|
3385 |
/* sequence checks */
|
|
|
3386 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
3387 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
3388 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3389 |
|
|
|
3390 |
if (pData->bHasIDAT)
|
|
|
3391 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3392 |
|
|
|
3393 |
if (iRawlen)
|
|
|
3394 |
{
|
|
|
3395 |
pTemp = find_null (pRawdata); /* find null-separator */
|
|
|
3396 |
/* not found inside input-data ? */
|
|
|
3397 |
if ((pTemp - pRawdata) > (mng_int32)iRawlen)
|
|
|
3398 |
MNG_ERROR (pData, MNG_NULLNOTFOUND);
|
|
|
3399 |
|
|
|
3400 |
iNamelen = (mng_uint32)(pTemp - pRawdata);
|
|
|
3401 |
iSampledepth = *(pTemp+1);
|
|
|
3402 |
iRemain = (iRawlen - 2 - iNamelen);
|
|
|
3403 |
|
|
|
3404 |
if ((iSampledepth != 1) && (iSampledepth != 2))
|
|
|
3405 |
MNG_ERROR (pData, MNG_INVSAMPLEDEPTH);
|
|
|
3406 |
/* check remaining length */
|
|
|
3407 |
if ( ((iSampledepth == 1) && (iRemain % 6 != 0)) ||
|
|
|
3408 |
((iSampledepth == 2) && (iRemain % 10 != 0)) )
|
|
|
3409 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3410 |
|
|
|
3411 |
}
|
|
|
3412 |
else
|
|
|
3413 |
{
|
|
|
3414 |
pTemp = MNG_NULL;
|
|
|
3415 |
iNamelen = 0;
|
|
|
3416 |
iSampledepth = 0;
|
|
|
3417 |
iRemain = 0;
|
|
|
3418 |
}
|
|
|
3419 |
|
|
|
3420 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
3421 |
{
|
|
|
3422 |
|
|
|
3423 |
|
|
|
3424 |
/* TODO: something !!! */
|
|
|
3425 |
|
|
|
3426 |
|
|
|
3427 |
}
|
|
|
3428 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
3429 |
|
|
|
3430 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3431 |
if (pData->bStorechunks)
|
|
|
3432 |
{ /* initialize storage */
|
|
|
3433 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3434 |
|
|
|
3435 |
if (iRetcode) /* on error bail out */
|
|
|
3436 |
return iRetcode;
|
|
|
3437 |
/* store the fields */
|
|
|
3438 |
((mng_spltp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
3439 |
|
|
|
3440 |
if (iRawlen)
|
|
|
3441 |
{
|
|
|
3442 |
((mng_spltp)*ppChunk)->iNamesize = iNamelen;
|
|
|
3443 |
((mng_spltp)*ppChunk)->iSampledepth = iSampledepth;
|
|
|
3444 |
|
|
|
3445 |
if (iSampledepth == 1)
|
|
|
3446 |
((mng_spltp)*ppChunk)->iEntrycount = iRemain / 6;
|
|
|
3447 |
else
|
|
|
3448 |
((mng_spltp)*ppChunk)->iEntrycount = iRemain / 10;
|
|
|
3449 |
|
|
|
3450 |
if (iNamelen)
|
|
|
3451 |
{
|
|
|
3452 |
MNG_ALLOC (pData, ((mng_spltp)*ppChunk)->zName, iNamelen+1);
|
|
|
3453 |
MNG_COPY (((mng_spltp)*ppChunk)->zName, pRawdata, iNamelen);
|
|
|
3454 |
}
|
|
|
3455 |
|
|
|
3456 |
if (iRemain)
|
|
|
3457 |
{
|
|
|
3458 |
MNG_ALLOC (pData, ((mng_spltp)*ppChunk)->pEntries, iRemain);
|
|
|
3459 |
MNG_COPY (((mng_spltp)*ppChunk)->pEntries, pTemp+2, iRemain);
|
|
|
3460 |
}
|
|
|
3461 |
}
|
|
|
3462 |
}
|
|
|
3463 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3464 |
|
|
|
3465 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3466 |
MNG_TRACE (pData, MNG_FN_READ_SPLT, MNG_LC_END);
|
|
|
3467 |
#endif
|
|
|
3468 |
|
|
|
3469 |
return MNG_NOERROR; /* done */
|
|
|
3470 |
}
|
|
|
3471 |
#endif
|
|
|
3472 |
#endif
|
|
|
3473 |
|
|
|
3474 |
/* ************************************************************************** */
|
|
|
3475 |
|
|
|
3476 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3477 |
#ifndef MNG_SKIPCHUNK_hIST
|
|
|
3478 |
READ_CHUNK (mng_read_hist)
|
|
|
3479 |
{
|
|
|
3480 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3481 |
MNG_TRACE (pData, MNG_FN_READ_HIST, MNG_LC_START);
|
|
|
3482 |
#endif
|
|
|
3483 |
/* sequence checks */
|
|
|
3484 |
if ((!pData->bHasIHDR) && (!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
3485 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3486 |
|
|
|
3487 |
if ((!pData->bHasPLTE) || (pData->bHasIDAT))
|
|
|
3488 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3489 |
/* length oke ? */
|
|
|
3490 |
if ( ((iRawlen & 0x01) != 0) || ((iRawlen >> 1) != pData->iPLTEcount) )
|
|
|
3491 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3492 |
|
|
|
3493 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
3494 |
{
|
|
|
3495 |
|
|
|
3496 |
|
|
|
3497 |
/* TODO: something !!! */
|
|
|
3498 |
|
|
|
3499 |
|
|
|
3500 |
}
|
|
|
3501 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
3502 |
|
|
|
3503 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3504 |
if (pData->bStorechunks)
|
|
|
3505 |
{
|
|
|
3506 |
mng_uint32 iX;
|
|
|
3507 |
/* initialize storage */
|
|
|
3508 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3509 |
|
|
|
3510 |
if (iRetcode) /* on error bail out */
|
|
|
3511 |
return iRetcode;
|
|
|
3512 |
/* store the fields */
|
|
|
3513 |
((mng_histp)*ppChunk)->iEntrycount = iRawlen >> 1;
|
|
|
3514 |
|
|
|
3515 |
for (iX = 0; iX < (iRawlen >> 1); iX++)
|
|
|
3516 |
{
|
|
|
3517 |
((mng_histp)*ppChunk)->aEntries [iX] = mng_get_uint16 (pRawdata);
|
|
|
3518 |
pRawdata += 2;
|
|
|
3519 |
}
|
|
|
3520 |
}
|
|
|
3521 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3522 |
|
|
|
3523 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3524 |
MNG_TRACE (pData, MNG_FN_READ_HIST, MNG_LC_END);
|
|
|
3525 |
#endif
|
|
|
3526 |
|
|
|
3527 |
return MNG_NOERROR; /* done */
|
|
|
3528 |
}
|
|
|
3529 |
#endif
|
|
|
3530 |
#endif
|
|
|
3531 |
|
|
|
3532 |
/* ************************************************************************** */
|
|
|
3533 |
|
|
|
3534 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3535 |
#ifndef MNG_SKIPCHUNK_tIME
|
|
|
3536 |
READ_CHUNK (mng_read_time)
|
|
|
3537 |
{
|
|
|
3538 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3539 |
MNG_TRACE (pData, MNG_FN_READ_TIME, MNG_LC_START);
|
|
|
3540 |
#endif
|
|
|
3541 |
/* sequence checks */
|
|
|
3542 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3543 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
3544 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
3545 |
#else
|
|
|
3546 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
3547 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
3548 |
#endif
|
|
|
3549 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3550 |
|
|
|
3551 |
if (iRawlen != 7) /* length must be exactly 7 */
|
|
|
3552 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3553 |
|
|
|
3554 |
/* if (pData->fProcesstime) */ /* inform the application ? */
|
|
|
3555 |
/* {
|
|
|
3556 |
|
|
|
3557 |
pData->fProcesstime ((mng_handle)pData, );
|
|
|
3558 |
} */
|
|
|
3559 |
|
|
|
3560 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3561 |
if (pData->bStorechunks)
|
|
|
3562 |
{ /* initialize storage */
|
|
|
3563 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3564 |
|
|
|
3565 |
if (iRetcode) /* on error bail out */
|
|
|
3566 |
return iRetcode;
|
|
|
3567 |
/* store the fields */
|
|
|
3568 |
((mng_timep)*ppChunk)->iYear = mng_get_uint16 (pRawdata);
|
|
|
3569 |
((mng_timep)*ppChunk)->iMonth = *(pRawdata+2);
|
|
|
3570 |
((mng_timep)*ppChunk)->iDay = *(pRawdata+3);
|
|
|
3571 |
((mng_timep)*ppChunk)->iHour = *(pRawdata+4);
|
|
|
3572 |
((mng_timep)*ppChunk)->iMinute = *(pRawdata+5);
|
|
|
3573 |
((mng_timep)*ppChunk)->iSecond = *(pRawdata+6);
|
|
|
3574 |
}
|
|
|
3575 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3576 |
|
|
|
3577 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3578 |
MNG_TRACE (pData, MNG_FN_READ_TIME, MNG_LC_END);
|
|
|
3579 |
#endif
|
|
|
3580 |
|
|
|
3581 |
return MNG_NOERROR; /* done */
|
|
|
3582 |
}
|
|
|
3583 |
#endif
|
|
|
3584 |
#endif
|
|
|
3585 |
|
|
|
3586 |
/* ************************************************************************** */
|
|
|
3587 |
|
|
|
3588 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3589 |
READ_CHUNK (mng_read_mhdr)
|
|
|
3590 |
{
|
|
|
3591 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3592 |
MNG_TRACE (pData, MNG_FN_READ_MHDR, MNG_LC_START);
|
|
|
3593 |
#endif
|
|
|
3594 |
|
|
|
3595 |
if (pData->eSigtype != mng_it_mng) /* sequence checks */
|
|
|
3596 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
|
3597 |
|
|
|
3598 |
if (pData->bHasheader) /* can only be the first chunk! */
|
|
|
3599 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3600 |
/* correct length ? */
|
|
|
3601 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
|
3602 |
if ((iRawlen != 28) && (iRawlen != 12))
|
|
|
3603 |
#else
|
|
|
3604 |
if ((iRawlen != 28))
|
|
|
3605 |
#endif
|
|
|
3606 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3607 |
|
|
|
3608 |
pData->bHasMHDR = MNG_TRUE; /* oh boy, a real MNG */
|
|
|
3609 |
pData->bHasheader = MNG_TRUE; /* we've got a header */
|
|
|
3610 |
pData->eImagetype = mng_it_mng; /* fill header fields */
|
|
|
3611 |
pData->iWidth = mng_get_uint32 (pRawdata);
|
|
|
3612 |
pData->iHeight = mng_get_uint32 (pRawdata+4);
|
|
|
3613 |
pData->iTicks = mng_get_uint32 (pRawdata+8);
|
|
|
3614 |
|
|
|
3615 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
|
3616 |
if (iRawlen == 28) /* proper MHDR ? */
|
|
|
3617 |
{
|
|
|
3618 |
#endif
|
|
|
3619 |
pData->iLayercount = mng_get_uint32 (pRawdata+12);
|
|
|
3620 |
pData->iFramecount = mng_get_uint32 (pRawdata+16);
|
|
|
3621 |
pData->iPlaytime = mng_get_uint32 (pRawdata+20);
|
|
|
3622 |
pData->iSimplicity = mng_get_uint32 (pRawdata+24);
|
|
|
3623 |
|
|
|
3624 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
|
3625 |
pData->bPreDraft48 = MNG_FALSE;
|
|
|
3626 |
}
|
|
|
3627 |
else /* probably pre-draft48 then */
|
|
|
3628 |
{
|
|
|
3629 |
pData->iLayercount = 0;
|
|
|
3630 |
pData->iFramecount = 0;
|
|
|
3631 |
pData->iPlaytime = 0;
|
|
|
3632 |
pData->iSimplicity = 0;
|
|
|
3633 |
|
|
|
3634 |
pData->bPreDraft48 = MNG_TRUE;
|
|
|
3635 |
}
|
|
|
3636 |
#endif
|
|
|
3637 |
/* predict alpha-depth */
|
|
|
3638 |
if ((pData->iSimplicity & 0x00000001) == 0)
|
|
|
3639 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
3640 |
pData->iAlphadepth = 16; /* no indicators = assume the worst */
|
|
|
3641 |
#else
|
|
|
3642 |
pData->iAlphadepth = 8; /* anything else = assume the worst */
|
|
|
3643 |
#endif
|
|
|
3644 |
else
|
|
|
3645 |
if ((pData->iSimplicity & 0x00000008) == 0)
|
|
|
3646 |
pData->iAlphadepth = 0; /* no transparency at all */
|
|
|
3647 |
else
|
|
|
3648 |
if ((pData->iSimplicity & 0x00000140) == 0x00000040)
|
|
|
3649 |
pData->iAlphadepth = 1; /* no semi-transparency guaranteed */
|
|
|
3650 |
else
|
|
|
3651 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
3652 |
pData->iAlphadepth = 16; /* anything else = assume the worst */
|
|
|
3653 |
#else
|
|
|
3654 |
pData->iAlphadepth = 8; /* anything else = assume the worst */
|
|
|
3655 |
#endif
|
|
|
3656 |
|
|
|
3657 |
#ifdef MNG_INCLUDE_JNG /* can we handle the complexity ? */
|
|
|
3658 |
if (pData->iSimplicity & 0x0000FC00)
|
|
|
3659 |
#else
|
|
|
3660 |
if (pData->iSimplicity & 0x0000FC10)
|
|
|
3661 |
#endif
|
|
|
3662 |
MNG_ERROR (pData, MNG_MNGTOOCOMPLEX);
|
|
|
3663 |
/* fits on maximum canvas ? */
|
|
|
3664 |
if ((pData->iWidth > pData->iMaxwidth) || (pData->iHeight > pData->iMaxheight))
|
|
|
3665 |
MNG_WARNING (pData, MNG_IMAGETOOLARGE);
|
|
|
3666 |
|
|
|
3667 |
if (pData->fProcessheader) /* inform the app ? */
|
|
|
3668 |
if (!pData->fProcessheader (((mng_handle)pData), pData->iWidth, pData->iHeight))
|
|
|
3669 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
3670 |
|
|
|
3671 |
pData->iImagelevel++; /* one level deeper */
|
|
|
3672 |
|
|
|
3673 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3674 |
if (pData->bStorechunks)
|
|
|
3675 |
{ /* initialize storage */
|
|
|
3676 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3677 |
|
|
|
3678 |
if (iRetcode) /* on error bail out */
|
|
|
3679 |
return iRetcode;
|
|
|
3680 |
/* store the fields */
|
|
|
3681 |
((mng_mhdrp)*ppChunk)->iWidth = pData->iWidth;
|
|
|
3682 |
((mng_mhdrp)*ppChunk)->iHeight = pData->iHeight;
|
|
|
3683 |
((mng_mhdrp)*ppChunk)->iTicks = pData->iTicks;
|
|
|
3684 |
((mng_mhdrp)*ppChunk)->iLayercount = pData->iLayercount;
|
|
|
3685 |
((mng_mhdrp)*ppChunk)->iFramecount = pData->iFramecount;
|
|
|
3686 |
((mng_mhdrp)*ppChunk)->iPlaytime = pData->iPlaytime;
|
|
|
3687 |
((mng_mhdrp)*ppChunk)->iSimplicity = pData->iSimplicity;
|
|
|
3688 |
}
|
|
|
3689 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3690 |
|
|
|
3691 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3692 |
MNG_TRACE (pData, MNG_FN_READ_MHDR, MNG_LC_END);
|
|
|
3693 |
#endif
|
|
|
3694 |
|
|
|
3695 |
return MNG_NOERROR; /* done */
|
|
|
3696 |
}
|
|
|
3697 |
#endif
|
|
|
3698 |
|
|
|
3699 |
/* ************************************************************************** */
|
|
|
3700 |
|
|
|
3701 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3702 |
READ_CHUNK (mng_read_mend)
|
|
|
3703 |
{
|
|
|
3704 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3705 |
MNG_TRACE (pData, MNG_FN_READ_MEND, MNG_LC_START);
|
|
|
3706 |
#endif
|
|
|
3707 |
|
|
|
3708 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
3709 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3710 |
|
|
|
3711 |
if (iRawlen > 0) /* must not contain data! */
|
|
|
3712 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3713 |
|
|
|
3714 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
3715 |
{ /* do something */
|
|
|
3716 |
mng_retcode iRetcode = mng_process_display_mend (pData);
|
|
|
3717 |
|
|
|
3718 |
if (iRetcode) /* on error bail out */
|
|
|
3719 |
return iRetcode;
|
|
|
3720 |
|
|
|
3721 |
if (!pData->iTotalframes) /* save totals */
|
|
|
3722 |
pData->iTotalframes = pData->iFrameseq;
|
|
|
3723 |
if (!pData->iTotallayers)
|
|
|
3724 |
pData->iTotallayers = pData->iLayerseq;
|
|
|
3725 |
if (!pData->iTotalplaytime)
|
|
|
3726 |
pData->iTotalplaytime = pData->iFrametime;
|
|
|
3727 |
}
|
|
|
3728 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
3729 |
|
|
|
3730 |
pData->bHasMHDR = MNG_FALSE; /* end of the line, bro! */
|
|
|
3731 |
|
|
|
3732 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3733 |
if (pData->bStorechunks)
|
|
|
3734 |
{ /* initialize storage */
|
|
|
3735 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3736 |
|
|
|
3737 |
if (iRetcode) /* on error bail out */
|
|
|
3738 |
return iRetcode;
|
|
|
3739 |
}
|
|
|
3740 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3741 |
|
|
|
3742 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3743 |
MNG_TRACE (pData, MNG_FN_READ_MEND, MNG_LC_END);
|
|
|
3744 |
#endif
|
|
|
3745 |
|
|
|
3746 |
return MNG_NOERROR; /* done */
|
|
|
3747 |
}
|
|
|
3748 |
#endif
|
|
|
3749 |
|
|
|
3750 |
/* ************************************************************************** */
|
|
|
3751 |
|
|
|
3752 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3753 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
|
3754 |
READ_CHUNK (mng_read_loop)
|
|
|
3755 |
{
|
|
|
3756 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3757 |
MNG_TRACE (pData, MNG_FN_READ_LOOP, MNG_LC_START);
|
|
|
3758 |
#endif
|
|
|
3759 |
|
|
|
3760 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
3761 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3762 |
|
|
|
3763 |
if (!pData->bCacheplayback) /* must store playback info to work!! */
|
|
|
3764 |
MNG_ERROR (pData, MNG_LOOPWITHCACHEOFF);
|
|
|
3765 |
|
|
|
3766 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3767 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
3768 |
#else
|
|
|
3769 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
3770 |
#endif
|
|
|
3771 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3772 |
|
|
|
3773 |
if (iRawlen >= 5) /* length checks */
|
|
|
3774 |
{
|
|
|
3775 |
if (iRawlen >= 6)
|
|
|
3776 |
{
|
|
|
3777 |
if ((iRawlen - 6) % 4 != 0)
|
|
|
3778 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3779 |
}
|
|
|
3780 |
}
|
|
|
3781 |
else
|
|
|
3782 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3783 |
|
|
|
3784 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
3785 |
{
|
|
|
3786 |
mng_uint8 iLevel;
|
|
|
3787 |
mng_uint32 iRepeat;
|
|
|
3788 |
mng_uint8 iTermination = 0;
|
|
|
3789 |
mng_uint32 iItermin = 1;
|
|
|
3790 |
mng_uint32 iItermax = 0x7fffffffL;
|
|
|
3791 |
mng_retcode iRetcode;
|
|
|
3792 |
|
|
|
3793 |
pData->bHasLOOP = MNG_TRUE; /* indicate we're inside a loop */
|
|
|
3794 |
|
|
|
3795 |
iLevel = *pRawdata; /* determine the fields for processing */
|
|
|
3796 |
|
|
|
3797 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
|
3798 |
if (pData->bPreDraft48)
|
|
|
3799 |
{
|
|
|
3800 |
iTermination = *(pRawdata+1);
|
|
|
3801 |
|
|
|
3802 |
iRepeat = mng_get_uint32 (pRawdata+2);
|
|
|
3803 |
}
|
|
|
3804 |
else
|
|
|
3805 |
#endif
|
|
|
3806 |
iRepeat = mng_get_uint32 (pRawdata+1);
|
|
|
3807 |
|
|
|
3808 |
if (iRawlen >= 6)
|
|
|
3809 |
{
|
|
|
3810 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
|
3811 |
if (!pData->bPreDraft48)
|
|
|
3812 |
#endif
|
|
|
3813 |
iTermination = *(pRawdata+5);
|
|
|
3814 |
|
|
|
3815 |
if (iRawlen >= 10)
|
|
|
3816 |
{
|
|
|
3817 |
iItermin = mng_get_uint32 (pRawdata+6);
|
|
|
3818 |
|
|
|
3819 |
if (iRawlen >= 14)
|
|
|
3820 |
{
|
|
|
3821 |
iItermax = mng_get_uint32 (pRawdata+10);
|
|
|
3822 |
|
|
|
3823 |
/* TODO: process signals */
|
|
|
3824 |
|
|
|
3825 |
}
|
|
|
3826 |
}
|
|
|
3827 |
}
|
|
|
3828 |
/* create the LOOP ani-object */
|
|
|
3829 |
iRetcode = mng_create_ani_loop (pData, iLevel, iRepeat, iTermination,
|
|
|
3830 |
iItermin, iItermax, 0, 0);
|
|
|
3831 |
|
|
|
3832 |
if (iRetcode) /* on error bail out */
|
|
|
3833 |
return iRetcode;
|
|
|
3834 |
/* skip till matching ENDL if iteration=0 */
|
|
|
3835 |
if ((!pData->bSkipping) && (iRepeat == 0))
|
|
|
3836 |
pData->bSkipping = MNG_TRUE;
|
|
|
3837 |
}
|
|
|
3838 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
3839 |
|
|
|
3840 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3841 |
if (pData->bStorechunks)
|
|
|
3842 |
{ /* initialize storage */
|
|
|
3843 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3844 |
|
|
|
3845 |
if (iRetcode) /* on error bail out */
|
|
|
3846 |
return iRetcode;
|
|
|
3847 |
|
|
|
3848 |
if (iRawlen >= 5) /* store the fields */
|
|
|
3849 |
{
|
|
|
3850 |
((mng_loopp)*ppChunk)->iLevel = *pRawdata;
|
|
|
3851 |
|
|
|
3852 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
|
3853 |
if (pData->bPreDraft48)
|
|
|
3854 |
{
|
|
|
3855 |
((mng_loopp)*ppChunk)->iTermination = *(pRawdata+1);
|
|
|
3856 |
((mng_loopp)*ppChunk)->iRepeat = mng_get_uint32 (pRawdata+2);
|
|
|
3857 |
}
|
|
|
3858 |
else
|
|
|
3859 |
#endif
|
|
|
3860 |
{
|
|
|
3861 |
((mng_loopp)*ppChunk)->iRepeat = mng_get_uint32 (pRawdata+1);
|
|
|
3862 |
}
|
|
|
3863 |
|
|
|
3864 |
if (iRawlen >= 6)
|
|
|
3865 |
{
|
|
|
3866 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
|
3867 |
if (!pData->bPreDraft48)
|
|
|
3868 |
#endif
|
|
|
3869 |
((mng_loopp)*ppChunk)->iTermination = *(pRawdata+5);
|
|
|
3870 |
|
|
|
3871 |
if (iRawlen >= 10)
|
|
|
3872 |
{
|
|
|
3873 |
((mng_loopp)*ppChunk)->iItermin = mng_get_uint32 (pRawdata+6);
|
|
|
3874 |
|
|
|
3875 |
#ifndef MNG_NO_LOOP_SIGNALS_SUPPORTED
|
|
|
3876 |
if (iRawlen >= 14)
|
|
|
3877 |
{
|
|
|
3878 |
((mng_loopp)*ppChunk)->iItermax = mng_get_uint32 (pRawdata+10);
|
|
|
3879 |
((mng_loopp)*ppChunk)->iCount = (iRawlen - 14) / 4;
|
|
|
3880 |
|
|
|
3881 |
if (((mng_loopp)*ppChunk)->iCount)
|
|
|
3882 |
{
|
|
|
3883 |
MNG_ALLOC (pData, ((mng_loopp)*ppChunk)->pSignals,
|
|
|
3884 |
((mng_loopp)*ppChunk)->iCount << 2);
|
|
|
3885 |
|
|
|
3886 |
#ifndef MNG_BIGENDIAN_SUPPORTED
|
|
|
3887 |
{
|
|
|
3888 |
mng_uint32 iX;
|
|
|
3889 |
mng_uint8p pIn = pRawdata + 14;
|
|
|
3890 |
mng_uint32p pOut = (mng_uint32p)((mng_loopp)*ppChunk)->pSignals;
|
|
|
3891 |
|
|
|
3892 |
for (iX = 0; iX < ((mng_loopp)*ppChunk)->iCount; iX++)
|
|
|
3893 |
{
|
|
|
3894 |
*pOut++ = mng_get_uint32 (pIn);
|
|
|
3895 |
pIn += 4;
|
|
|
3896 |
}
|
|
|
3897 |
}
|
|
|
3898 |
#else
|
|
|
3899 |
MNG_COPY (((mng_loopp)*ppChunk)->pSignals, pRawdata + 14,
|
|
|
3900 |
((mng_loopp)*ppChunk)->iCount << 2);
|
|
|
3901 |
#endif /* !MNG_BIGENDIAN_SUPPORTED */
|
|
|
3902 |
}
|
|
|
3903 |
}
|
|
|
3904 |
#endif
|
|
|
3905 |
}
|
|
|
3906 |
}
|
|
|
3907 |
}
|
|
|
3908 |
}
|
|
|
3909 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3910 |
|
|
|
3911 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3912 |
MNG_TRACE (pData, MNG_FN_READ_LOOP, MNG_LC_END);
|
|
|
3913 |
#endif
|
|
|
3914 |
|
|
|
3915 |
return MNG_NOERROR; /* done */
|
|
|
3916 |
}
|
|
|
3917 |
#endif
|
|
|
3918 |
#endif
|
|
|
3919 |
|
|
|
3920 |
/* ************************************************************************** */
|
|
|
3921 |
|
|
|
3922 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3923 |
#ifndef MNG_SKIPCHUNK_LOOP
|
|
|
3924 |
READ_CHUNK (mng_read_endl)
|
|
|
3925 |
{
|
|
|
3926 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3927 |
MNG_TRACE (pData, MNG_FN_READ_ENDL, MNG_LC_START);
|
|
|
3928 |
#endif
|
|
|
3929 |
|
|
|
3930 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
3931 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3932 |
|
|
|
3933 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3934 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
3935 |
#else
|
|
|
3936 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
3937 |
#endif
|
|
|
3938 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
3939 |
|
|
|
3940 |
if (iRawlen != 1) /* length must be exactly 1 */
|
|
|
3941 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
3942 |
|
|
|
3943 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
3944 |
{
|
|
|
3945 |
if (pData->bHasLOOP) /* are we really processing a loop ? */
|
|
|
3946 |
{
|
|
|
3947 |
mng_uint8 iLevel = *pRawdata; /* get the nest level */
|
|
|
3948 |
/* create an ENDL animation object */
|
|
|
3949 |
mng_retcode iRetcode = mng_create_ani_endl (pData, iLevel);
|
|
|
3950 |
|
|
|
3951 |
if (iRetcode) /* on error bail out */
|
|
|
3952 |
return iRetcode;
|
|
|
3953 |
|
|
|
3954 |
/* {
|
|
|
3955 |
mng_ani_endlp pENDL = (mng_ani_endlp)pData->pLastaniobj;
|
|
|
3956 |
|
|
|
3957 |
iRetcode = pENDL->sHeader.fProcess (pData, pENDL);
|
|
|
3958 |
|
|
|
3959 |
if (iRetcode)
|
|
|
3960 |
return iRetcode;
|
|
|
3961 |
} */
|
|
|
3962 |
}
|
|
|
3963 |
else
|
|
|
3964 |
MNG_ERROR (pData, MNG_NOMATCHINGLOOP);
|
|
|
3965 |
|
|
|
3966 |
}
|
|
|
3967 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
3968 |
|
|
|
3969 |
#ifdef MNG_STORE_CHUNKS
|
|
|
3970 |
if (pData->bStorechunks)
|
|
|
3971 |
{ /* initialize storage */
|
|
|
3972 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
3973 |
|
|
|
3974 |
if (iRetcode) /* on error bail out */
|
|
|
3975 |
return iRetcode;
|
|
|
3976 |
/* store the fields */
|
|
|
3977 |
((mng_endlp)*ppChunk)->iLevel = *pRawdata;
|
|
|
3978 |
}
|
|
|
3979 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
3980 |
|
|
|
3981 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3982 |
MNG_TRACE (pData, MNG_FN_READ_ENDL, MNG_LC_END);
|
|
|
3983 |
#endif
|
|
|
3984 |
|
|
|
3985 |
return MNG_NOERROR; /* done */
|
|
|
3986 |
}
|
|
|
3987 |
#endif
|
|
|
3988 |
#endif
|
|
|
3989 |
|
|
|
3990 |
/* ************************************************************************** */
|
|
|
3991 |
|
|
|
3992 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
3993 |
#ifndef MNG_SKIPCHUNK_DEFI
|
|
|
3994 |
READ_CHUNK (mng_read_defi)
|
|
|
3995 |
{
|
|
|
3996 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3997 |
MNG_TRACE (pData, MNG_FN_READ_DEFI, MNG_LC_START);
|
|
|
3998 |
#endif
|
|
|
3999 |
|
|
|
4000 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
4001 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4002 |
|
|
|
4003 |
#ifdef MNG_INCLUDE_JNG
|
|
|
4004 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
4005 |
#else
|
|
|
4006 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
4007 |
#endif
|
|
|
4008 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4009 |
/* check the length */
|
|
|
4010 |
if ((iRawlen != 2) && (iRawlen != 3) && (iRawlen != 4) &&
|
|
|
4011 |
(iRawlen != 12) && (iRawlen != 28))
|
|
|
4012 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
4013 |
|
|
|
4014 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
4015 |
{
|
|
|
4016 |
mng_retcode iRetcode;
|
|
|
4017 |
|
|
|
4018 |
pData->iDEFIobjectid = mng_get_uint16 (pRawdata);
|
|
|
4019 |
|
|
|
4020 |
if (iRawlen > 2)
|
|
|
4021 |
{
|
|
|
4022 |
pData->bDEFIhasdonotshow = MNG_TRUE;
|
|
|
4023 |
pData->iDEFIdonotshow = *(pRawdata+2);
|
|
|
4024 |
}
|
|
|
4025 |
else
|
|
|
4026 |
{
|
|
|
4027 |
pData->bDEFIhasdonotshow = MNG_FALSE;
|
|
|
4028 |
pData->iDEFIdonotshow = 0;
|
|
|
4029 |
}
|
|
|
4030 |
|
|
|
4031 |
if (iRawlen > 3)
|
|
|
4032 |
{
|
|
|
4033 |
pData->bDEFIhasconcrete = MNG_TRUE;
|
|
|
4034 |
pData->iDEFIconcrete = *(pRawdata+3);
|
|
|
4035 |
}
|
|
|
4036 |
else
|
|
|
4037 |
{
|
|
|
4038 |
pData->bDEFIhasconcrete = MNG_FALSE;
|
|
|
4039 |
pData->iDEFIconcrete = 0;
|
|
|
4040 |
}
|
|
|
4041 |
|
|
|
4042 |
if (iRawlen > 4)
|
|
|
4043 |
{
|
|
|
4044 |
pData->bDEFIhasloca = MNG_TRUE;
|
|
|
4045 |
pData->iDEFIlocax = mng_get_int32 (pRawdata+4);
|
|
|
4046 |
pData->iDEFIlocay = mng_get_int32 (pRawdata+8);
|
|
|
4047 |
}
|
|
|
4048 |
else
|
|
|
4049 |
{
|
|
|
4050 |
pData->bDEFIhasloca = MNG_FALSE;
|
|
|
4051 |
pData->iDEFIlocax = 0;
|
|
|
4052 |
pData->iDEFIlocay = 0;
|
|
|
4053 |
}
|
|
|
4054 |
|
|
|
4055 |
if (iRawlen > 12)
|
|
|
4056 |
{
|
|
|
4057 |
pData->bDEFIhasclip = MNG_TRUE;
|
|
|
4058 |
pData->iDEFIclipl = mng_get_int32 (pRawdata+12);
|
|
|
4059 |
pData->iDEFIclipr = mng_get_int32 (pRawdata+16);
|
|
|
4060 |
pData->iDEFIclipt = mng_get_int32 (pRawdata+20);
|
|
|
4061 |
pData->iDEFIclipb = mng_get_int32 (pRawdata+24);
|
|
|
4062 |
}
|
|
|
4063 |
else
|
|
|
4064 |
{
|
|
|
4065 |
pData->bDEFIhasclip = MNG_FALSE;
|
|
|
4066 |
pData->iDEFIclipl = 0;
|
|
|
4067 |
pData->iDEFIclipr = 0;
|
|
|
4068 |
pData->iDEFIclipt = 0;
|
|
|
4069 |
pData->iDEFIclipb = 0;
|
|
|
4070 |
}
|
|
|
4071 |
/* create an animation object */
|
|
|
4072 |
iRetcode = mng_create_ani_defi (pData);
|
|
|
4073 |
|
|
|
4074 |
if (!iRetcode) /* do display processing */
|
|
|
4075 |
iRetcode = mng_process_display_defi (pData);
|
|
|
4076 |
|
|
|
4077 |
if (iRetcode) /* on error bail out */
|
|
|
4078 |
return iRetcode;
|
|
|
4079 |
|
|
|
4080 |
}
|
|
|
4081 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
4082 |
|
|
|
4083 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4084 |
if (pData->bStorechunks)
|
|
|
4085 |
{ /* initialize storage */
|
|
|
4086 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
4087 |
|
|
|
4088 |
if (iRetcode) /* on error bail out */
|
|
|
4089 |
return iRetcode;
|
|
|
4090 |
/* store the fields */
|
|
|
4091 |
((mng_defip)*ppChunk)->iObjectid = mng_get_uint16 (pRawdata);
|
|
|
4092 |
|
|
|
4093 |
if (iRawlen > 2)
|
|
|
4094 |
{
|
|
|
4095 |
((mng_defip)*ppChunk)->bHasdonotshow = MNG_TRUE;
|
|
|
4096 |
((mng_defip)*ppChunk)->iDonotshow = *(pRawdata+2);
|
|
|
4097 |
}
|
|
|
4098 |
else
|
|
|
4099 |
((mng_defip)*ppChunk)->bHasdonotshow = MNG_FALSE;
|
|
|
4100 |
|
|
|
4101 |
if (iRawlen > 3)
|
|
|
4102 |
{
|
|
|
4103 |
((mng_defip)*ppChunk)->bHasconcrete = MNG_TRUE;
|
|
|
4104 |
((mng_defip)*ppChunk)->iConcrete = *(pRawdata+3);
|
|
|
4105 |
}
|
|
|
4106 |
else
|
|
|
4107 |
((mng_defip)*ppChunk)->bHasconcrete = MNG_FALSE;
|
|
|
4108 |
|
|
|
4109 |
if (iRawlen > 4)
|
|
|
4110 |
{
|
|
|
4111 |
((mng_defip)*ppChunk)->bHasloca = MNG_TRUE;
|
|
|
4112 |
((mng_defip)*ppChunk)->iXlocation = mng_get_int32 (pRawdata+4);
|
|
|
4113 |
((mng_defip)*ppChunk)->iYlocation = mng_get_int32 (pRawdata+8);
|
|
|
4114 |
}
|
|
|
4115 |
else
|
|
|
4116 |
((mng_defip)*ppChunk)->bHasloca = MNG_FALSE;
|
|
|
4117 |
|
|
|
4118 |
if (iRawlen > 12)
|
|
|
4119 |
{
|
|
|
4120 |
((mng_defip)*ppChunk)->bHasclip = MNG_TRUE;
|
|
|
4121 |
((mng_defip)*ppChunk)->iLeftcb = mng_get_int32 (pRawdata+12);
|
|
|
4122 |
((mng_defip)*ppChunk)->iRightcb = mng_get_int32 (pRawdata+16);
|
|
|
4123 |
((mng_defip)*ppChunk)->iTopcb = mng_get_int32 (pRawdata+20);
|
|
|
4124 |
((mng_defip)*ppChunk)->iBottomcb = mng_get_int32 (pRawdata+24);
|
|
|
4125 |
}
|
|
|
4126 |
else
|
|
|
4127 |
((mng_defip)*ppChunk)->bHasclip = MNG_FALSE;
|
|
|
4128 |
|
|
|
4129 |
}
|
|
|
4130 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
4131 |
|
|
|
4132 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4133 |
MNG_TRACE (pData, MNG_FN_READ_DEFI, MNG_LC_END);
|
|
|
4134 |
#endif
|
|
|
4135 |
|
|
|
4136 |
return MNG_NOERROR; /* done */
|
|
|
4137 |
}
|
|
|
4138 |
#endif
|
|
|
4139 |
#endif
|
|
|
4140 |
|
|
|
4141 |
/* ************************************************************************** */
|
|
|
4142 |
|
|
|
4143 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
4144 |
#ifndef MNG_SKIPCHUNK_BASI
|
|
|
4145 |
READ_CHUNK (mng_read_basi)
|
|
|
4146 |
{
|
|
|
4147 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4148 |
MNG_TRACE (pData, MNG_FN_READ_BASI, MNG_LC_START);
|
|
|
4149 |
#endif
|
|
|
4150 |
|
|
|
4151 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
4152 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4153 |
|
|
|
4154 |
#ifdef MNG_INCLUDE_JNG
|
|
|
4155 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
4156 |
#else
|
|
|
4157 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
4158 |
#endif
|
|
|
4159 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4160 |
/* check the length */
|
|
|
4161 |
if ((iRawlen != 13) && (iRawlen != 19) && (iRawlen != 21) && (iRawlen != 22))
|
|
|
4162 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
4163 |
|
|
|
4164 |
pData->bHasBASI = MNG_TRUE; /* inside a BASI-IEND block now */
|
|
|
4165 |
/* store interesting fields */
|
|
|
4166 |
pData->iDatawidth = mng_get_uint32 (pRawdata);
|
|
|
4167 |
pData->iDataheight = mng_get_uint32 (pRawdata+4);
|
|
|
4168 |
pData->iBitdepth = *(pRawdata+8);
|
|
|
4169 |
pData->iColortype = *(pRawdata+9);
|
|
|
4170 |
pData->iCompression = *(pRawdata+10);
|
|
|
4171 |
pData->iFilter = *(pRawdata+11);
|
|
|
4172 |
pData->iInterlace = *(pRawdata+12);
|
|
|
4173 |
|
|
|
4174 |
|
|
|
4175 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT) || defined(MNG_NO_16BIT_SUPPORT)
|
|
|
4176 |
pData->iPNGmult = 1;
|
|
|
4177 |
pData->iPNGdepth = pData->iBitdepth;
|
|
|
4178 |
#endif
|
|
|
4179 |
|
|
|
4180 |
#ifdef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
4181 |
if (pData->iBitdepth < 8)
|
|
|
4182 |
pData->iBitdepth = 8;
|
|
|
4183 |
#endif
|
|
|
4184 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
|
4185 |
if (pData->iBitdepth > 8)
|
|
|
4186 |
{
|
|
|
4187 |
pData->iBitdepth = 8;
|
|
|
4188 |
pData->iPNGmult = 2;
|
|
|
4189 |
}
|
|
|
4190 |
#endif
|
|
|
4191 |
|
|
|
4192 |
if ((pData->iBitdepth != 8) /* parameter validity checks */
|
|
|
4193 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
4194 |
&& (pData->iBitdepth != 1) &&
|
|
|
4195 |
(pData->iBitdepth != 2) &&
|
|
|
4196 |
(pData->iBitdepth != 4)
|
|
|
4197 |
#endif
|
|
|
4198 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4199 |
&& (pData->iBitdepth != 16)
|
|
|
4200 |
#endif
|
|
|
4201 |
)
|
|
|
4202 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
4203 |
|
|
|
4204 |
if ((pData->iColortype != MNG_COLORTYPE_GRAY ) &&
|
|
|
4205 |
(pData->iColortype != MNG_COLORTYPE_RGB ) &&
|
|
|
4206 |
(pData->iColortype != MNG_COLORTYPE_INDEXED) &&
|
|
|
4207 |
(pData->iColortype != MNG_COLORTYPE_GRAYA ) &&
|
|
|
4208 |
(pData->iColortype != MNG_COLORTYPE_RGBA ) )
|
|
|
4209 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
|
4210 |
|
|
|
4211 |
if ((pData->iColortype == MNG_COLORTYPE_INDEXED) && (pData->iBitdepth > 8))
|
|
|
4212 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
4213 |
|
|
|
4214 |
if (((pData->iColortype == MNG_COLORTYPE_RGB ) ||
|
|
|
4215 |
(pData->iColortype == MNG_COLORTYPE_GRAYA ) ||
|
|
|
4216 |
(pData->iColortype == MNG_COLORTYPE_RGBA ) ) &&
|
|
|
4217 |
(pData->iBitdepth < 8 ) )
|
|
|
4218 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
4219 |
|
|
|
4220 |
if (pData->iCompression != MNG_COMPRESSION_DEFLATE)
|
|
|
4221 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
|
4222 |
|
|
|
4223 |
#if defined(FILTER192) || defined(FILTER193)
|
|
|
4224 |
if ((pData->iFilter != MNG_FILTER_ADAPTIVE ) &&
|
|
|
4225 |
#if defined(FILTER192) && defined(FILTER193)
|
|
|
4226 |
(pData->iFilter != MNG_FILTER_DIFFERING) &&
|
|
|
4227 |
(pData->iFilter != MNG_FILTER_NOFILTER ) )
|
|
|
4228 |
#else
|
|
|
4229 |
#ifdef FILTER192
|
|
|
4230 |
(pData->iFilter != MNG_FILTER_DIFFERING) )
|
|
|
4231 |
#else
|
|
|
4232 |
(pData->iFilter != MNG_FILTER_NOFILTER ) )
|
|
|
4233 |
#endif
|
|
|
4234 |
#endif
|
|
|
4235 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
|
4236 |
#else
|
|
|
4237 |
if (pData->iFilter)
|
|
|
4238 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
|
4239 |
#endif
|
|
|
4240 |
|
|
|
4241 |
if ((pData->iInterlace != MNG_INTERLACE_NONE ) &&
|
|
|
4242 |
(pData->iInterlace != MNG_INTERLACE_ADAM7) )
|
|
|
4243 |
MNG_ERROR (pData, MNG_INVALIDINTERLACE);
|
|
|
4244 |
|
|
|
4245 |
pData->iImagelevel++; /* one level deeper */
|
|
|
4246 |
|
|
|
4247 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
4248 |
{
|
|
|
4249 |
mng_uint16 iRed = 0;
|
|
|
4250 |
mng_uint16 iGreen = 0;
|
|
|
4251 |
mng_uint16 iBlue = 0;
|
|
|
4252 |
mng_bool bHasalpha = MNG_FALSE;
|
|
|
4253 |
mng_uint16 iAlpha = 0xFFFF;
|
|
|
4254 |
mng_uint8 iViewable = 0;
|
|
|
4255 |
mng_retcode iRetcode;
|
|
|
4256 |
|
|
|
4257 |
if (iRawlen > 13) /* get remaining fields, if any */
|
|
|
4258 |
{
|
|
|
4259 |
iRed = mng_get_uint16 (pRawdata+13);
|
|
|
4260 |
iGreen = mng_get_uint16 (pRawdata+15);
|
|
|
4261 |
iBlue = mng_get_uint16 (pRawdata+17);
|
|
|
4262 |
}
|
|
|
4263 |
|
|
|
4264 |
if (iRawlen > 19)
|
|
|
4265 |
{
|
|
|
4266 |
bHasalpha = MNG_TRUE;
|
|
|
4267 |
iAlpha = mng_get_uint16 (pRawdata+19);
|
|
|
4268 |
}
|
|
|
4269 |
|
|
|
4270 |
if (iRawlen > 21)
|
|
|
4271 |
iViewable = *(pRawdata+21);
|
|
|
4272 |
/* create an animation object */
|
|
|
4273 |
iRetcode = mng_create_ani_basi (pData, iRed, iGreen, iBlue,
|
|
|
4274 |
bHasalpha, iAlpha, iViewable);
|
|
|
4275 |
|
|
|
4276 |
/* if (!iRetcode)
|
|
|
4277 |
iRetcode = mng_process_display_basi (pData, iRed, iGreen, iBlue,
|
|
|
4278 |
bHasalpha, iAlpha, iViewable); */
|
|
|
4279 |
|
|
|
4280 |
if (iRetcode) /* on error bail out */
|
|
|
4281 |
return iRetcode;
|
|
|
4282 |
|
|
|
4283 |
}
|
|
|
4284 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
4285 |
|
|
|
4286 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4287 |
if (pData->bStorechunks)
|
|
|
4288 |
{ /* initialize storage */
|
|
|
4289 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
4290 |
|
|
|
4291 |
if (iRetcode) /* on error bail out */
|
|
|
4292 |
return iRetcode;
|
|
|
4293 |
/* store the fields */
|
|
|
4294 |
((mng_basip)*ppChunk)->iWidth = mng_get_uint32 (pRawdata);
|
|
|
4295 |
((mng_basip)*ppChunk)->iHeight = mng_get_uint32 (pRawdata+4);
|
|
|
4296 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
|
4297 |
if (*(pRawdata+8) > 8)
|
|
|
4298 |
((mng_basip)*ppChunk)->iBitdepth = 8;
|
|
|
4299 |
else
|
|
|
4300 |
#endif
|
|
|
4301 |
((mng_basip)*ppChunk)->iBitdepth = *(pRawdata+8);
|
|
|
4302 |
((mng_basip)*ppChunk)->iColortype = *(pRawdata+9);
|
|
|
4303 |
((mng_basip)*ppChunk)->iCompression = *(pRawdata+10);
|
|
|
4304 |
((mng_basip)*ppChunk)->iFilter = *(pRawdata+11);
|
|
|
4305 |
((mng_basip)*ppChunk)->iInterlace = *(pRawdata+12);
|
|
|
4306 |
|
|
|
4307 |
if (iRawlen > 13)
|
|
|
4308 |
{
|
|
|
4309 |
((mng_basip)*ppChunk)->iRed = mng_get_uint16 (pRawdata+13);
|
|
|
4310 |
((mng_basip)*ppChunk)->iGreen = mng_get_uint16 (pRawdata+15);
|
|
|
4311 |
((mng_basip)*ppChunk)->iBlue = mng_get_uint16 (pRawdata+17);
|
|
|
4312 |
}
|
|
|
4313 |
|
|
|
4314 |
if (iRawlen > 19)
|
|
|
4315 |
((mng_basip)*ppChunk)->iAlpha = mng_get_uint16 (pRawdata+19);
|
|
|
4316 |
|
|
|
4317 |
if (iRawlen > 21)
|
|
|
4318 |
((mng_basip)*ppChunk)->iViewable = *(pRawdata+21);
|
|
|
4319 |
|
|
|
4320 |
}
|
|
|
4321 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
4322 |
|
|
|
4323 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4324 |
MNG_TRACE (pData, MNG_FN_READ_BASI, MNG_LC_END);
|
|
|
4325 |
#endif
|
|
|
4326 |
|
|
|
4327 |
return MNG_NOERROR; /* done */
|
|
|
4328 |
}
|
|
|
4329 |
#endif
|
|
|
4330 |
#endif
|
|
|
4331 |
|
|
|
4332 |
/* ************************************************************************** */
|
|
|
4333 |
|
|
|
4334 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
4335 |
#ifndef MNG_SKIPCHUNK_CLON
|
|
|
4336 |
READ_CHUNK (mng_read_clon)
|
|
|
4337 |
{
|
|
|
4338 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4339 |
MNG_TRACE (pData, MNG_FN_READ_CLON, MNG_LC_START);
|
|
|
4340 |
#endif
|
|
|
4341 |
|
|
|
4342 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
4343 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4344 |
|
|
|
4345 |
#ifdef MNG_INCLUDE_JNG
|
|
|
4346 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
4347 |
#else
|
|
|
4348 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
4349 |
#endif
|
|
|
4350 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4351 |
/* check the length */
|
|
|
4352 |
if ((iRawlen != 4) && (iRawlen != 5) && (iRawlen != 6) &&
|
|
|
4353 |
(iRawlen != 7) && (iRawlen != 16))
|
|
|
4354 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
4355 |
|
|
|
4356 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
4357 |
{
|
|
|
4358 |
mng_uint16 iSourceid, iCloneid;
|
|
|
4359 |
mng_uint8 iClonetype = 0;
|
|
|
4360 |
mng_bool bHasdonotshow = MNG_FALSE;
|
|
|
4361 |
mng_uint8 iDonotshow = 0;
|
|
|
4362 |
mng_uint8 iConcrete = 0;
|
|
|
4363 |
mng_bool bHasloca = MNG_FALSE;
|
|
|
4364 |
mng_uint8 iLocationtype = 0;
|
|
|
4365 |
mng_int32 iLocationx = 0;
|
|
|
4366 |
mng_int32 iLocationy = 0;
|
|
|
4367 |
mng_retcode iRetcode;
|
|
|
4368 |
|
|
|
4369 |
iSourceid = mng_get_uint16 (pRawdata);
|
|
|
4370 |
iCloneid = mng_get_uint16 (pRawdata+2);
|
|
|
4371 |
|
|
|
4372 |
if (iRawlen > 4)
|
|
|
4373 |
iClonetype = *(pRawdata+4);
|
|
|
4374 |
|
|
|
4375 |
if (iRawlen > 5)
|
|
|
4376 |
{
|
|
|
4377 |
bHasdonotshow = MNG_TRUE;
|
|
|
4378 |
iDonotshow = *(pRawdata+5);
|
|
|
4379 |
}
|
|
|
4380 |
|
|
|
4381 |
if (iRawlen > 6)
|
|
|
4382 |
iConcrete = *(pRawdata+6);
|
|
|
4383 |
|
|
|
4384 |
if (iRawlen > 7)
|
|
|
4385 |
{
|
|
|
4386 |
bHasloca = MNG_TRUE;
|
|
|
4387 |
iLocationtype = *(pRawdata+7);
|
|
|
4388 |
iLocationx = mng_get_int32 (pRawdata+8);
|
|
|
4389 |
iLocationy = mng_get_int32 (pRawdata+12);
|
|
|
4390 |
}
|
|
|
4391 |
|
|
|
4392 |
iRetcode = mng_create_ani_clon (pData, iSourceid, iCloneid, iClonetype,
|
|
|
4393 |
bHasdonotshow, iDonotshow, iConcrete,
|
|
|
4394 |
bHasloca, iLocationtype, iLocationx, iLocationy);
|
|
|
4395 |
|
|
|
4396 |
/* if (!iRetcode)
|
|
|
4397 |
iRetcode = mng_process_display_clon (pData, iSourceid, iCloneid, iClonetype,
|
|
|
4398 |
bHasdonotshow, iDonotshow, iConcrete,
|
|
|
4399 |
bHasloca, iLocationtype, iLocationx,
|
|
|
4400 |
iLocationy); */
|
|
|
4401 |
|
|
|
4402 |
if (iRetcode) /* on error bail out */
|
|
|
4403 |
return iRetcode;
|
|
|
4404 |
|
|
|
4405 |
}
|
|
|
4406 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
4407 |
|
|
|
4408 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4409 |
if (pData->bStorechunks)
|
|
|
4410 |
{ /* initialize storage */
|
|
|
4411 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
4412 |
|
|
|
4413 |
if (iRetcode) /* on error bail out */
|
|
|
4414 |
return iRetcode;
|
|
|
4415 |
/* store the fields */
|
|
|
4416 |
((mng_clonp)*ppChunk)->iSourceid = mng_get_uint16 (pRawdata);
|
|
|
4417 |
((mng_clonp)*ppChunk)->iCloneid = mng_get_uint16 (pRawdata+2);
|
|
|
4418 |
|
|
|
4419 |
if (iRawlen > 4)
|
|
|
4420 |
((mng_clonp)*ppChunk)->iClonetype = *(pRawdata+4);
|
|
|
4421 |
|
|
|
4422 |
if (iRawlen > 5)
|
|
|
4423 |
((mng_clonp)*ppChunk)->iDonotshow = *(pRawdata+5);
|
|
|
4424 |
|
|
|
4425 |
if (iRawlen > 6)
|
|
|
4426 |
((mng_clonp)*ppChunk)->iConcrete = *(pRawdata+6);
|
|
|
4427 |
|
|
|
4428 |
if (iRawlen > 7)
|
|
|
4429 |
{
|
|
|
4430 |
((mng_clonp)*ppChunk)->bHasloca = MNG_TRUE;
|
|
|
4431 |
((mng_clonp)*ppChunk)->iLocationtype = *(pRawdata+7);
|
|
|
4432 |
((mng_clonp)*ppChunk)->iLocationx = mng_get_int32 (pRawdata+8);
|
|
|
4433 |
((mng_clonp)*ppChunk)->iLocationy = mng_get_int32 (pRawdata+12);
|
|
|
4434 |
}
|
|
|
4435 |
else
|
|
|
4436 |
{
|
|
|
4437 |
((mng_clonp)*ppChunk)->bHasloca = MNG_FALSE;
|
|
|
4438 |
}
|
|
|
4439 |
}
|
|
|
4440 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
4441 |
|
|
|
4442 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4443 |
MNG_TRACE (pData, MNG_FN_READ_CLON, MNG_LC_END);
|
|
|
4444 |
#endif
|
|
|
4445 |
|
|
|
4446 |
return MNG_NOERROR; /* done */
|
|
|
4447 |
}
|
|
|
4448 |
#endif
|
|
|
4449 |
#endif
|
|
|
4450 |
|
|
|
4451 |
/* ************************************************************************** */
|
|
|
4452 |
|
|
|
4453 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
4454 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
|
4455 |
READ_CHUNK (mng_read_past)
|
|
|
4456 |
{
|
|
|
4457 |
#if defined(MNG_STORE_CHUNKS) || defined(MNG_SUPPORT_DISPLAY)
|
|
|
4458 |
mng_retcode iRetcode;
|
|
|
4459 |
mng_uint16 iTargetid;
|
|
|
4460 |
mng_uint8 iTargettype;
|
|
|
4461 |
mng_int32 iTargetx;
|
|
|
4462 |
mng_int32 iTargety;
|
|
|
4463 |
mng_uint32 iCount;
|
|
|
4464 |
mng_uint32 iSize;
|
|
|
4465 |
mng_ptr pSources;
|
|
|
4466 |
mng_uint32 iX;
|
|
|
4467 |
mng_past_sourcep pSource;
|
|
|
4468 |
#endif
|
|
|
4469 |
|
|
|
4470 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4471 |
MNG_TRACE (pData, MNG_FN_READ_PAST, MNG_LC_START);
|
|
|
4472 |
#endif
|
|
|
4473 |
|
|
|
4474 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
4475 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4476 |
|
|
|
4477 |
#ifdef MNG_INCLUDE_JNG
|
|
|
4478 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
4479 |
#else
|
|
|
4480 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
4481 |
#endif
|
|
|
4482 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4483 |
|
|
|
4484 |
/* check the length */
|
|
|
4485 |
if ((iRawlen < 41) || (((iRawlen - 11) % 30) != 0))
|
|
|
4486 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
4487 |
|
|
|
4488 |
#if defined(MNG_STORE_CHUNKS) || defined(MNG_SUPPORT_DISPLAY)
|
|
|
4489 |
iTargetid = mng_get_uint16 (pRawdata);
|
|
|
4490 |
iTargettype = *(pRawdata+2);
|
|
|
4491 |
iTargetx = mng_get_int32 (pRawdata+3);
|
|
|
4492 |
iTargety = mng_get_int32 (pRawdata+7);
|
|
|
4493 |
iCount = ((iRawlen - 11) / 30); /* how many entries again? */
|
|
|
4494 |
iSize = iCount * sizeof (mng_past_source);
|
|
|
4495 |
|
|
|
4496 |
pRawdata += 11;
|
|
|
4497 |
/* get a buffer for all the source blocks */
|
|
|
4498 |
MNG_ALLOC (pData, pSources, iSize);
|
|
|
4499 |
|
|
|
4500 |
pSource = (mng_past_sourcep)pSources;
|
|
|
4501 |
|
|
|
4502 |
for (iX = 0; iX < iCount; iX++) /* now copy the source blocks */
|
|
|
4503 |
{
|
|
|
4504 |
pSource->iSourceid = mng_get_uint16 (pRawdata);
|
|
|
4505 |
pSource->iComposition = *(pRawdata+2);
|
|
|
4506 |
pSource->iOrientation = *(pRawdata+3);
|
|
|
4507 |
pSource->iOffsettype = *(pRawdata+4);
|
|
|
4508 |
pSource->iOffsetx = mng_get_int32 (pRawdata+5);
|
|
|
4509 |
pSource->iOffsety = mng_get_int32 (pRawdata+9);
|
|
|
4510 |
pSource->iBoundarytype = *(pRawdata+13);
|
|
|
4511 |
pSource->iBoundaryl = mng_get_int32 (pRawdata+14);
|
|
|
4512 |
pSource->iBoundaryr = mng_get_int32 (pRawdata+18);
|
|
|
4513 |
pSource->iBoundaryt = mng_get_int32 (pRawdata+22);
|
|
|
4514 |
pSource->iBoundaryb = mng_get_int32 (pRawdata+26);
|
|
|
4515 |
|
|
|
4516 |
pSource++;
|
|
|
4517 |
pRawdata += 30;
|
|
|
4518 |
}
|
|
|
4519 |
#endif
|
|
|
4520 |
|
|
|
4521 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
4522 |
{ /* create playback object */
|
|
|
4523 |
iRetcode = mng_create_ani_past (pData, iTargetid, iTargettype, iTargetx,
|
|
|
4524 |
iTargety, iCount, pSources);
|
|
|
4525 |
|
|
|
4526 |
/* if (!iRetcode)
|
|
|
4527 |
iRetcode = mng_process_display_past (pData, iTargetid, iTargettype, iTargetx,
|
|
|
4528 |
iTargety, iCount, pSources); */
|
|
|
4529 |
|
|
|
4530 |
if (iRetcode) /* on error bail out */
|
|
|
4531 |
{
|
|
|
4532 |
MNG_FREEX (pData, pSources, iSize);
|
|
|
4533 |
return iRetcode;
|
|
|
4534 |
}
|
|
|
4535 |
}
|
|
|
4536 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
4537 |
|
|
|
4538 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4539 |
if (pData->bStorechunks)
|
|
|
4540 |
{ /* initialize storage */
|
|
|
4541 |
iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
4542 |
|
|
|
4543 |
if (iRetcode) /* on error bail out */
|
|
|
4544 |
{
|
|
|
4545 |
MNG_FREEX (pData, pSources, iSize);
|
|
|
4546 |
return iRetcode;
|
|
|
4547 |
}
|
|
|
4548 |
/* store the fields */
|
|
|
4549 |
((mng_pastp)*ppChunk)->iDestid = iTargetid;
|
|
|
4550 |
((mng_pastp)*ppChunk)->iTargettype = iTargettype;
|
|
|
4551 |
((mng_pastp)*ppChunk)->iTargetx = iTargetx;
|
|
|
4552 |
((mng_pastp)*ppChunk)->iTargety = iTargety;
|
|
|
4553 |
((mng_pastp)*ppChunk)->iCount = iCount;
|
|
|
4554 |
/* get a buffer & copy the source blocks */
|
|
|
4555 |
MNG_ALLOC (pData, ((mng_pastp)*ppChunk)->pSources, iSize);
|
|
|
4556 |
MNG_COPY (((mng_pastp)*ppChunk)->pSources, pSources, iSize);
|
|
|
4557 |
}
|
|
|
4558 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
4559 |
|
|
|
4560 |
#if defined(MNG_STORE_CHUNKS) || defined(MNG_SUPPORT_DISPLAY)
|
|
|
4561 |
/* free the source block buffer */
|
|
|
4562 |
MNG_FREEX (pData, pSources, iSize);
|
|
|
4563 |
#endif
|
|
|
4564 |
|
|
|
4565 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4566 |
MNG_TRACE (pData, MNG_FN_READ_PAST, MNG_LC_END);
|
|
|
4567 |
#endif
|
|
|
4568 |
|
|
|
4569 |
return MNG_NOERROR; /* done */
|
|
|
4570 |
}
|
|
|
4571 |
#endif
|
|
|
4572 |
#endif
|
|
|
4573 |
|
|
|
4574 |
/* ************************************************************************** */
|
|
|
4575 |
|
|
|
4576 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
4577 |
#ifndef MNG_SKIPCHUNK_DISC
|
|
|
4578 |
READ_CHUNK (mng_read_disc)
|
|
|
4579 |
{
|
|
|
4580 |
#if defined(MNG_SUPPORT_DISPLAY) || defined(MNG_STORE_CHUNKS)
|
|
|
4581 |
mng_uint32 iCount;
|
|
|
4582 |
mng_uint16p pIds = MNG_NULL;
|
|
|
4583 |
mng_retcode iRetcode;
|
|
|
4584 |
#endif
|
|
|
4585 |
|
|
|
4586 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4587 |
MNG_TRACE (pData, MNG_FN_READ_DISC, MNG_LC_START);
|
|
|
4588 |
#endif
|
|
|
4589 |
|
|
|
4590 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
4591 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4592 |
|
|
|
4593 |
#ifdef MNG_INCLUDE_JNG
|
|
|
4594 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
4595 |
#else
|
|
|
4596 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
4597 |
#endif
|
|
|
4598 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4599 |
|
|
|
4600 |
if ((iRawlen % 2) != 0) /* check the length */
|
|
|
4601 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
4602 |
|
|
|
4603 |
#if defined(MNG_SUPPORT_DISPLAY) || defined(MNG_STORE_CHUNKS)
|
|
|
4604 |
iCount = (iRawlen / sizeof (mng_uint16));
|
|
|
4605 |
|
|
|
4606 |
if (iCount)
|
|
|
4607 |
{
|
|
|
4608 |
MNG_ALLOC (pData, pIds, iRawlen);
|
|
|
4609 |
|
|
|
4610 |
#ifndef MNG_BIGENDIAN_SUPPORTED
|
|
|
4611 |
{
|
|
|
4612 |
mng_uint32 iX;
|
|
|
4613 |
mng_uint8p pIn = pRawdata;
|
|
|
4614 |
mng_uint16p pOut = pIds;
|
|
|
4615 |
|
|
|
4616 |
for (iX = 0; iX < iCount; iX++)
|
|
|
4617 |
{
|
|
|
4618 |
*pOut++ = mng_get_uint16 (pIn);
|
|
|
4619 |
pIn += 2;
|
|
|
4620 |
}
|
|
|
4621 |
}
|
|
|
4622 |
#else
|
|
|
4623 |
MNG_COPY (pIds, pRawdata, iRawlen);
|
|
|
4624 |
#endif /* !MNG_BIGENDIAN_SUPPORTED */
|
|
|
4625 |
}
|
|
|
4626 |
#endif
|
|
|
4627 |
|
|
|
4628 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
4629 |
{ /* create playback object */
|
|
|
4630 |
iRetcode = mng_create_ani_disc (pData, iCount, pIds);
|
|
|
4631 |
|
|
|
4632 |
/* if (!iRetcode)
|
|
|
4633 |
iRetcode = mng_process_display_disc (pData, iCount, pIds); */
|
|
|
4634 |
|
|
|
4635 |
if (iRetcode) /* on error bail out */
|
|
|
4636 |
return iRetcode;
|
|
|
4637 |
}
|
|
|
4638 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
4639 |
|
|
|
4640 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4641 |
if (pData->bStorechunks)
|
|
|
4642 |
{ /* initialize storage */
|
|
|
4643 |
iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
4644 |
|
|
|
4645 |
if (iRetcode) /* on error bail out */
|
|
|
4646 |
return iRetcode;
|
|
|
4647 |
/* store the fields */
|
|
|
4648 |
((mng_discp)*ppChunk)->iCount = iCount;
|
|
|
4649 |
|
|
|
4650 |
if (iRawlen)
|
|
|
4651 |
{
|
|
|
4652 |
MNG_ALLOC (pData, ((mng_discp)*ppChunk)->pObjectids, iRawlen);
|
|
|
4653 |
MNG_COPY (((mng_discp)*ppChunk)->pObjectids, pIds, iRawlen);
|
|
|
4654 |
}
|
|
|
4655 |
}
|
|
|
4656 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
4657 |
|
|
|
4658 |
#if defined(MNG_SUPPORT_DISPLAY) || defined(MNG_STORE_CHUNKS)
|
|
|
4659 |
if (iRawlen)
|
|
|
4660 |
MNG_FREEX (pData, pIds, iRawlen);
|
|
|
4661 |
#endif
|
|
|
4662 |
|
|
|
4663 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4664 |
MNG_TRACE (pData, MNG_FN_READ_DISC, MNG_LC_END);
|
|
|
4665 |
#endif
|
|
|
4666 |
|
|
|
4667 |
return MNG_NOERROR; /* done */
|
|
|
4668 |
}
|
|
|
4669 |
#endif
|
|
|
4670 |
#endif
|
|
|
4671 |
|
|
|
4672 |
/* ************************************************************************** */
|
|
|
4673 |
|
|
|
4674 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
4675 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
|
4676 |
READ_CHUNK (mng_read_back)
|
|
|
4677 |
{
|
|
|
4678 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4679 |
MNG_TRACE (pData, MNG_FN_READ_BACK, MNG_LC_START);
|
|
|
4680 |
#endif
|
|
|
4681 |
|
|
|
4682 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
4683 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4684 |
|
|
|
4685 |
#ifdef MNG_INCLUDE_JNG
|
|
|
4686 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
4687 |
#else
|
|
|
4688 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
4689 |
#endif
|
|
|
4690 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4691 |
/* check the length */
|
|
|
4692 |
if ((iRawlen != 6) && (iRawlen != 7) && (iRawlen != 9) && (iRawlen != 10))
|
|
|
4693 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
4694 |
|
|
|
4695 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
4696 |
{
|
|
|
4697 |
mng_retcode iRetcode;
|
|
|
4698 |
/* retrieve the fields */
|
|
|
4699 |
pData->bHasBACK = MNG_TRUE;
|
|
|
4700 |
pData->iBACKred = mng_get_uint16 (pRawdata);
|
|
|
4701 |
pData->iBACKgreen = mng_get_uint16 (pRawdata+2);
|
|
|
4702 |
pData->iBACKblue = mng_get_uint16 (pRawdata+4);
|
|
|
4703 |
|
|
|
4704 |
if (iRawlen > 6)
|
|
|
4705 |
pData->iBACKmandatory = *(pRawdata+6);
|
|
|
4706 |
else
|
|
|
4707 |
pData->iBACKmandatory = 0;
|
|
|
4708 |
|
|
|
4709 |
if (iRawlen > 7)
|
|
|
4710 |
pData->iBACKimageid = mng_get_uint16 (pRawdata+7);
|
|
|
4711 |
else
|
|
|
4712 |
pData->iBACKimageid = 0;
|
|
|
4713 |
|
|
|
4714 |
if (iRawlen > 9)
|
|
|
4715 |
pData->iBACKtile = *(pRawdata+9);
|
|
|
4716 |
else
|
|
|
4717 |
pData->iBACKtile = 0;
|
|
|
4718 |
|
|
|
4719 |
iRetcode = mng_create_ani_back (pData, pData->iBACKred, pData->iBACKgreen,
|
|
|
4720 |
pData->iBACKblue, pData->iBACKmandatory,
|
|
|
4721 |
pData->iBACKimageid, pData->iBACKtile);
|
|
|
4722 |
|
|
|
4723 |
if (iRetcode) /* on error bail out */
|
|
|
4724 |
return iRetcode;
|
|
|
4725 |
}
|
|
|
4726 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
4727 |
|
|
|
4728 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4729 |
if (pData->bStorechunks)
|
|
|
4730 |
{ /* initialize storage */
|
|
|
4731 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
4732 |
|
|
|
4733 |
if (iRetcode) /* on error bail out */
|
|
|
4734 |
return iRetcode;
|
|
|
4735 |
/* store the fields */
|
|
|
4736 |
((mng_backp)*ppChunk)->iRed = mng_get_uint16 (pRawdata);
|
|
|
4737 |
((mng_backp)*ppChunk)->iGreen = mng_get_uint16 (pRawdata+2);
|
|
|
4738 |
((mng_backp)*ppChunk)->iBlue = mng_get_uint16 (pRawdata+4);
|
|
|
4739 |
|
|
|
4740 |
if (iRawlen > 6)
|
|
|
4741 |
((mng_backp)*ppChunk)->iMandatory = *(pRawdata+6);
|
|
|
4742 |
|
|
|
4743 |
if (iRawlen > 7)
|
|
|
4744 |
((mng_backp)*ppChunk)->iImageid = mng_get_uint16 (pRawdata+7);
|
|
|
4745 |
|
|
|
4746 |
if (iRawlen > 9)
|
|
|
4747 |
((mng_backp)*ppChunk)->iTile = *(pRawdata+9);
|
|
|
4748 |
|
|
|
4749 |
}
|
|
|
4750 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
4751 |
|
|
|
4752 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4753 |
MNG_TRACE (pData, MNG_FN_READ_BACK, MNG_LC_END);
|
|
|
4754 |
#endif
|
|
|
4755 |
|
|
|
4756 |
return MNG_NOERROR; /* done */
|
|
|
4757 |
}
|
|
|
4758 |
#endif
|
|
|
4759 |
#endif
|
|
|
4760 |
|
|
|
4761 |
/* ************************************************************************** */
|
|
|
4762 |
|
|
|
4763 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
4764 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
4765 |
READ_CHUNK (mng_read_fram)
|
|
|
4766 |
{
|
|
|
4767 |
mng_uint8p pTemp;
|
|
|
4768 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4769 |
mng_uint32 iNamelen;
|
|
|
4770 |
#endif
|
|
|
4771 |
mng_uint32 iRemain;
|
|
|
4772 |
mng_uint32 iRequired = 0;
|
|
|
4773 |
|
|
|
4774 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4775 |
MNG_TRACE (pData, MNG_FN_READ_FRAM, MNG_LC_START);
|
|
|
4776 |
#endif
|
|
|
4777 |
|
|
|
4778 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
4779 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4780 |
|
|
|
4781 |
#ifdef MNG_INCLUDE_JNG
|
|
|
4782 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
4783 |
#else
|
|
|
4784 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
4785 |
#endif
|
|
|
4786 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
4787 |
|
|
|
4788 |
if (iRawlen <= 1) /* only framing-mode ? */
|
|
|
4789 |
{
|
|
|
4790 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4791 |
iNamelen = 0; /* indicate so */
|
|
|
4792 |
#endif
|
|
|
4793 |
iRemain = 0;
|
|
|
4794 |
pTemp = MNG_NULL;
|
|
|
4795 |
}
|
|
|
4796 |
else
|
|
|
4797 |
{
|
|
|
4798 |
pTemp = find_null (pRawdata+1); /* find null-separator */
|
|
|
4799 |
/* not found inside input-data ? */
|
|
|
4800 |
if ((pTemp - pRawdata) > (mng_int32)iRawlen)
|
|
|
4801 |
pTemp = pRawdata + iRawlen; /* than remainder is name */
|
|
|
4802 |
|
|
|
4803 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4804 |
iNamelen = (mng_uint32)((pTemp - pRawdata) - 1);
|
|
|
4805 |
#endif
|
|
|
4806 |
iRemain = (mng_uint32)(iRawlen - (pTemp - pRawdata));
|
|
|
4807 |
|
|
|
4808 |
if (iRemain) /* if there is remaining data it's less 1 byte */
|
|
|
4809 |
iRemain--;
|
|
|
4810 |
|
|
|
4811 |
if ((iRemain) && (iRemain < 4)) /* remains must be empty or at least 4 bytes */
|
|
|
4812 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
4813 |
|
|
|
4814 |
if (iRemain)
|
|
|
4815 |
{
|
|
|
4816 |
iRequired = 4; /* calculate and check required remaining length */
|
|
|
4817 |
|
|
|
4818 |
if (*(pTemp+1)) { iRequired += 4; }
|
|
|
4819 |
if (*(pTemp+2)) { iRequired += 4; }
|
|
|
4820 |
if (*(pTemp+3)) { iRequired += 17; }
|
|
|
4821 |
|
|
|
4822 |
if (*(pTemp+4))
|
|
|
4823 |
{
|
|
|
4824 |
if ((iRemain - iRequired) % 4 != 0)
|
|
|
4825 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
4826 |
}
|
|
|
4827 |
else
|
|
|
4828 |
{
|
|
|
4829 |
if (iRemain != iRequired)
|
|
|
4830 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
4831 |
}
|
|
|
4832 |
}
|
|
|
4833 |
}
|
|
|
4834 |
|
|
|
4835 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
4836 |
{
|
|
|
4837 |
mng_uint8p pWork = pTemp;
|
|
|
4838 |
mng_uint8 iFramemode = 0;
|
|
|
4839 |
mng_uint8 iChangedelay = 0;
|
|
|
4840 |
mng_uint32 iDelay = 0;
|
|
|
4841 |
mng_uint8 iChangetimeout = 0;
|
|
|
4842 |
mng_uint32 iTimeout = 0;
|
|
|
4843 |
mng_uint8 iChangeclipping = 0;
|
|
|
4844 |
mng_uint8 iCliptype = 0;
|
|
|
4845 |
mng_int32 iClipl = 0;
|
|
|
4846 |
mng_int32 iClipr = 0;
|
|
|
4847 |
mng_int32 iClipt = 0;
|
|
|
4848 |
mng_int32 iClipb = 0;
|
|
|
4849 |
mng_retcode iRetcode;
|
|
|
4850 |
|
|
|
4851 |
if (iRawlen) /* any data specified ? */
|
|
|
4852 |
{
|
|
|
4853 |
if (*(pRawdata)) /* save the new framing mode ? */
|
|
|
4854 |
{
|
|
|
4855 |
iFramemode = *(pRawdata);
|
|
|
4856 |
|
|
|
4857 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
|
4858 |
if (pData->bPreDraft48) /* old style input-stream ? */
|
|
|
4859 |
{
|
|
|
4860 |
switch (iFramemode)
|
|
|
4861 |
{
|
|
|
4862 |
case 0: { break; }
|
|
|
4863 |
case 1: { iFramemode = 3; break; }
|
|
|
4864 |
case 2: { iFramemode = 4; break; }
|
|
|
4865 |
case 3: { iFramemode = 1; break; }
|
|
|
4866 |
case 4: { iFramemode = 1; break; }
|
|
|
4867 |
case 5: { iFramemode = 2; break; }
|
|
|
4868 |
default: { iFramemode = 1; break; }
|
|
|
4869 |
}
|
|
|
4870 |
}
|
|
|
4871 |
#endif
|
|
|
4872 |
}
|
|
|
4873 |
|
|
|
4874 |
if (iRemain)
|
|
|
4875 |
{
|
|
|
4876 |
iChangedelay = *(pWork+1);
|
|
|
4877 |
iChangetimeout = *(pWork+2);
|
|
|
4878 |
iChangeclipping = *(pWork+3);
|
|
|
4879 |
pWork += 5;
|
|
|
4880 |
|
|
|
4881 |
if (iChangedelay) /* delay changed ? */
|
|
|
4882 |
{
|
|
|
4883 |
iDelay = mng_get_uint32 (pWork);
|
|
|
4884 |
pWork += 4;
|
|
|
4885 |
}
|
|
|
4886 |
|
|
|
4887 |
if (iChangetimeout) /* timeout changed ? */
|
|
|
4888 |
{
|
|
|
4889 |
iTimeout = mng_get_uint32 (pWork);
|
|
|
4890 |
pWork += 4;
|
|
|
4891 |
}
|
|
|
4892 |
|
|
|
4893 |
if (iChangeclipping) /* clipping changed ? */
|
|
|
4894 |
{
|
|
|
4895 |
iCliptype = *pWork;
|
|
|
4896 |
iClipl = mng_get_int32 (pWork+1);
|
|
|
4897 |
iClipr = mng_get_int32 (pWork+5);
|
|
|
4898 |
iClipt = mng_get_int32 (pWork+9);
|
|
|
4899 |
iClipb = mng_get_int32 (pWork+13);
|
|
|
4900 |
}
|
|
|
4901 |
}
|
|
|
4902 |
}
|
|
|
4903 |
|
|
|
4904 |
iRetcode = mng_create_ani_fram (pData, iFramemode, iChangedelay, iDelay,
|
|
|
4905 |
iChangetimeout, iTimeout,
|
|
|
4906 |
iChangeclipping, iCliptype,
|
|
|
4907 |
iClipl, iClipr, iClipt, iClipb);
|
|
|
4908 |
|
|
|
4909 |
/* if (!iRetcode)
|
|
|
4910 |
iRetcode = mng_process_display_fram (pData, iFramemode, iChangedelay, iDelay,
|
|
|
4911 |
iChangetimeout, iTimeout,
|
|
|
4912 |
iChangeclipping, iCliptype,
|
|
|
4913 |
iClipl, iClipr, iClipt, iClipb); */
|
|
|
4914 |
|
|
|
4915 |
if (iRetcode) /* on error bail out */
|
|
|
4916 |
return iRetcode;
|
|
|
4917 |
|
|
|
4918 |
}
|
|
|
4919 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
4920 |
|
|
|
4921 |
#ifdef MNG_STORE_CHUNKS
|
|
|
4922 |
if (pData->bStorechunks)
|
|
|
4923 |
{ /* initialize storage */
|
|
|
4924 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
4925 |
|
|
|
4926 |
if (iRetcode) /* on error bail out */
|
|
|
4927 |
return iRetcode;
|
|
|
4928 |
/* store the fields */
|
|
|
4929 |
((mng_framp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
4930 |
|
|
|
4931 |
if (iRawlen)
|
|
|
4932 |
{
|
|
|
4933 |
mng_uint8 iFramemode = *(pRawdata);
|
|
|
4934 |
|
|
|
4935 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
|
4936 |
if (pData->bPreDraft48) /* old style input-stream ? */
|
|
|
4937 |
{
|
|
|
4938 |
switch (iFramemode)
|
|
|
4939 |
{
|
|
|
4940 |
case 1: { iFramemode = 3; break; }
|
|
|
4941 |
case 2: { iFramemode = 4; break; }
|
|
|
4942 |
case 3: { iFramemode = 5; break; } /* TODO: provision for mode=5 ??? */
|
|
|
4943 |
case 4: { iFramemode = 1; break; }
|
|
|
4944 |
case 5: { iFramemode = 2; break; }
|
|
|
4945 |
default: { iFramemode = 1; break; }
|
|
|
4946 |
}
|
|
|
4947 |
}
|
|
|
4948 |
#endif
|
|
|
4949 |
|
|
|
4950 |
((mng_framp)*ppChunk)->iMode = iFramemode;
|
|
|
4951 |
((mng_framp)*ppChunk)->iNamesize = iNamelen;
|
|
|
4952 |
|
|
|
4953 |
if (iNamelen)
|
|
|
4954 |
{
|
|
|
4955 |
MNG_ALLOC (pData, ((mng_framp)*ppChunk)->zName, iNamelen+1);
|
|
|
4956 |
MNG_COPY (((mng_framp)*ppChunk)->zName, pRawdata+1, iNamelen);
|
|
|
4957 |
}
|
|
|
4958 |
|
|
|
4959 |
if (iRemain)
|
|
|
4960 |
{
|
|
|
4961 |
((mng_framp)*ppChunk)->iChangedelay = *(pTemp+1);
|
|
|
4962 |
((mng_framp)*ppChunk)->iChangetimeout = *(pTemp+2);
|
|
|
4963 |
((mng_framp)*ppChunk)->iChangeclipping = *(pTemp+3);
|
|
|
4964 |
((mng_framp)*ppChunk)->iChangesyncid = *(pTemp+4);
|
|
|
4965 |
|
|
|
4966 |
pTemp += 5;
|
|
|
4967 |
|
|
|
4968 |
if (((mng_framp)*ppChunk)->iChangedelay)
|
|
|
4969 |
{
|
|
|
4970 |
((mng_framp)*ppChunk)->iDelay = mng_get_uint32 (pTemp);
|
|
|
4971 |
pTemp += 4;
|
|
|
4972 |
}
|
|
|
4973 |
|
|
|
4974 |
if (((mng_framp)*ppChunk)->iChangetimeout)
|
|
|
4975 |
{
|
|
|
4976 |
((mng_framp)*ppChunk)->iTimeout = mng_get_uint32 (pTemp);
|
|
|
4977 |
pTemp += 4;
|
|
|
4978 |
}
|
|
|
4979 |
|
|
|
4980 |
if (((mng_framp)*ppChunk)->iChangeclipping)
|
|
|
4981 |
{
|
|
|
4982 |
((mng_framp)*ppChunk)->iBoundarytype = *pTemp;
|
|
|
4983 |
((mng_framp)*ppChunk)->iBoundaryl = mng_get_int32 (pTemp+1);
|
|
|
4984 |
((mng_framp)*ppChunk)->iBoundaryr = mng_get_int32 (pTemp+5);
|
|
|
4985 |
((mng_framp)*ppChunk)->iBoundaryt = mng_get_int32 (pTemp+9);
|
|
|
4986 |
((mng_framp)*ppChunk)->iBoundaryb = mng_get_int32 (pTemp+13);
|
|
|
4987 |
pTemp += 17;
|
|
|
4988 |
}
|
|
|
4989 |
|
|
|
4990 |
if (((mng_framp)*ppChunk)->iChangesyncid)
|
|
|
4991 |
{
|
|
|
4992 |
((mng_framp)*ppChunk)->iCount = (iRemain - iRequired) / 4;
|
|
|
4993 |
|
|
|
4994 |
if (((mng_framp)*ppChunk)->iCount)
|
|
|
4995 |
{
|
|
|
4996 |
MNG_ALLOC (pData, ((mng_framp)*ppChunk)->pSyncids,
|
|
|
4997 |
((mng_framp)*ppChunk)->iCount * 4);
|
|
|
4998 |
|
|
|
4999 |
#ifndef MNG_BIGENDIAN_SUPPORTED
|
|
|
5000 |
{
|
|
|
5001 |
mng_uint32 iX;
|
|
|
5002 |
mng_uint32p pOut = ((mng_framp)*ppChunk)->pSyncids;
|
|
|
5003 |
|
|
|
5004 |
for (iX = 0; iX < ((mng_framp)*ppChunk)->iCount; iX++)
|
|
|
5005 |
{
|
|
|
5006 |
*pOut++ = mng_get_uint32 (pTemp);
|
|
|
5007 |
pTemp += 4;
|
|
|
5008 |
}
|
|
|
5009 |
}
|
|
|
5010 |
#else
|
|
|
5011 |
MNG_COPY (((mng_framp)*ppChunk)->pSyncids, pTemp,
|
|
|
5012 |
((mng_framp)*ppChunk)->iCount * 4);
|
|
|
5013 |
#endif /* !MNG_BIGENDIAN_SUPPORTED */
|
|
|
5014 |
}
|
|
|
5015 |
}
|
|
|
5016 |
}
|
|
|
5017 |
}
|
|
|
5018 |
}
|
|
|
5019 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
5020 |
|
|
|
5021 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5022 |
MNG_TRACE (pData, MNG_FN_READ_FRAM, MNG_LC_END);
|
|
|
5023 |
#endif
|
|
|
5024 |
|
|
|
5025 |
return MNG_NOERROR; /* done */
|
|
|
5026 |
}
|
|
|
5027 |
#endif
|
|
|
5028 |
#endif
|
|
|
5029 |
|
|
|
5030 |
/* ************************************************************************** */
|
|
|
5031 |
|
|
|
5032 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5033 |
#ifndef MNG_SKIPCHUNK_MOVE
|
|
|
5034 |
READ_CHUNK (mng_read_move)
|
|
|
5035 |
{
|
|
|
5036 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5037 |
MNG_TRACE (pData, MNG_FN_READ_MOVE, MNG_LC_START);
|
|
|
5038 |
#endif
|
|
|
5039 |
|
|
|
5040 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
5041 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5042 |
|
|
|
5043 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5044 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
5045 |
#else
|
|
|
5046 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
5047 |
#endif
|
|
|
5048 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5049 |
|
|
|
5050 |
if (iRawlen != 13) /* check the length */
|
|
|
5051 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
5052 |
|
|
|
5053 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
5054 |
{
|
|
|
5055 |
mng_retcode iRetcode;
|
|
|
5056 |
/* create a MOVE animation object */
|
|
|
5057 |
iRetcode = mng_create_ani_move (pData, mng_get_uint16 (pRawdata),
|
|
|
5058 |
mng_get_uint16 (pRawdata+2),
|
|
|
5059 |
*(pRawdata+4),
|
|
|
5060 |
mng_get_int32 (pRawdata+5),
|
|
|
5061 |
mng_get_int32 (pRawdata+9));
|
|
|
5062 |
|
|
|
5063 |
/* if (!iRetcode)
|
|
|
5064 |
iRetcode = mng_process_display_move (pData,
|
|
|
5065 |
mng_get_uint16 (pRawdata),
|
|
|
5066 |
mng_get_uint16 (pRawdata+2),
|
|
|
5067 |
*(pRawdata+4),
|
|
|
5068 |
mng_get_int32 (pRawdata+5),
|
|
|
5069 |
mng_get_int32 (pRawdata+9)); */
|
|
|
5070 |
|
|
|
5071 |
if (iRetcode) /* on error bail out */
|
|
|
5072 |
return iRetcode;
|
|
|
5073 |
|
|
|
5074 |
}
|
|
|
5075 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
5076 |
|
|
|
5077 |
#ifdef MNG_STORE_CHUNKS
|
|
|
5078 |
if (pData->bStorechunks)
|
|
|
5079 |
{ /* initialize storage */
|
|
|
5080 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
5081 |
|
|
|
5082 |
if (iRetcode) /* on error bail out */
|
|
|
5083 |
return iRetcode;
|
|
|
5084 |
/* store the fields */
|
|
|
5085 |
((mng_movep)*ppChunk)->iFirstid = mng_get_uint16 (pRawdata);
|
|
|
5086 |
((mng_movep)*ppChunk)->iLastid = mng_get_uint16 (pRawdata+2);
|
|
|
5087 |
((mng_movep)*ppChunk)->iMovetype = *(pRawdata+4);
|
|
|
5088 |
((mng_movep)*ppChunk)->iMovex = mng_get_int32 (pRawdata+5);
|
|
|
5089 |
((mng_movep)*ppChunk)->iMovey = mng_get_int32 (pRawdata+9);
|
|
|
5090 |
}
|
|
|
5091 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
5092 |
|
|
|
5093 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5094 |
MNG_TRACE (pData, MNG_FN_READ_MOVE, MNG_LC_END);
|
|
|
5095 |
#endif
|
|
|
5096 |
|
|
|
5097 |
return MNG_NOERROR; /* done */
|
|
|
5098 |
}
|
|
|
5099 |
#endif
|
|
|
5100 |
#endif
|
|
|
5101 |
|
|
|
5102 |
/* ************************************************************************** */
|
|
|
5103 |
|
|
|
5104 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5105 |
#ifndef MNG_SKIPCHUNK_CLIP
|
|
|
5106 |
READ_CHUNK (mng_read_clip)
|
|
|
5107 |
{
|
|
|
5108 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5109 |
MNG_TRACE (pData, MNG_FN_READ_CLIP, MNG_LC_START);
|
|
|
5110 |
#endif
|
|
|
5111 |
|
|
|
5112 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
5113 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5114 |
|
|
|
5115 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5116 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
5117 |
#else
|
|
|
5118 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
5119 |
#endif
|
|
|
5120 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5121 |
|
|
|
5122 |
if (iRawlen != 21) /* check the length */
|
|
|
5123 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
5124 |
|
|
|
5125 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
5126 |
{
|
|
|
5127 |
mng_retcode iRetcode;
|
|
|
5128 |
/* create a CLIP animation object */
|
|
|
5129 |
iRetcode = mng_create_ani_clip (pData, mng_get_uint16 (pRawdata),
|
|
|
5130 |
mng_get_uint16 (pRawdata+2),
|
|
|
5131 |
*(pRawdata+4),
|
|
|
5132 |
mng_get_int32 (pRawdata+5),
|
|
|
5133 |
mng_get_int32 (pRawdata+9),
|
|
|
5134 |
mng_get_int32 (pRawdata+13),
|
|
|
5135 |
mng_get_int32 (pRawdata+17));
|
|
|
5136 |
|
|
|
5137 |
/* if (!iRetcode)
|
|
|
5138 |
iRetcode = mng_process_display_clip (pData,
|
|
|
5139 |
mng_get_uint16 (pRawdata),
|
|
|
5140 |
mng_get_uint16 (pRawdata+2),
|
|
|
5141 |
*(pRawdata+4),
|
|
|
5142 |
mng_get_int32 (pRawdata+5),
|
|
|
5143 |
mng_get_int32 (pRawdata+9),
|
|
|
5144 |
mng_get_int32 (pRawdata+13),
|
|
|
5145 |
mng_get_int32 (pRawdata+17)); */
|
|
|
5146 |
|
|
|
5147 |
if (iRetcode) /* on error bail out */
|
|
|
5148 |
return iRetcode;
|
|
|
5149 |
|
|
|
5150 |
}
|
|
|
5151 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
5152 |
|
|
|
5153 |
#ifdef MNG_STORE_CHUNKS
|
|
|
5154 |
if (pData->bStorechunks)
|
|
|
5155 |
{ /* initialize storage */
|
|
|
5156 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
5157 |
|
|
|
5158 |
if (iRetcode) /* on error bail out */
|
|
|
5159 |
return iRetcode;
|
|
|
5160 |
/* store the fields */
|
|
|
5161 |
((mng_clipp)*ppChunk)->iFirstid = mng_get_uint16 (pRawdata);
|
|
|
5162 |
((mng_clipp)*ppChunk)->iLastid = mng_get_uint16 (pRawdata+2);
|
|
|
5163 |
((mng_clipp)*ppChunk)->iCliptype = *(pRawdata+4);
|
|
|
5164 |
((mng_clipp)*ppChunk)->iClipl = mng_get_int32 (pRawdata+5);
|
|
|
5165 |
((mng_clipp)*ppChunk)->iClipr = mng_get_int32 (pRawdata+9);
|
|
|
5166 |
((mng_clipp)*ppChunk)->iClipt = mng_get_int32 (pRawdata+13);
|
|
|
5167 |
((mng_clipp)*ppChunk)->iClipb = mng_get_int32 (pRawdata+17);
|
|
|
5168 |
}
|
|
|
5169 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
5170 |
|
|
|
5171 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5172 |
MNG_TRACE (pData, MNG_FN_READ_CLIP, MNG_LC_END);
|
|
|
5173 |
#endif
|
|
|
5174 |
|
|
|
5175 |
return MNG_NOERROR; /* done */
|
|
|
5176 |
}
|
|
|
5177 |
#endif
|
|
|
5178 |
#endif
|
|
|
5179 |
|
|
|
5180 |
/* ************************************************************************** */
|
|
|
5181 |
|
|
|
5182 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5183 |
#ifndef MNG_SKIPCHUNK_SHOW
|
|
|
5184 |
READ_CHUNK (mng_read_show)
|
|
|
5185 |
{
|
|
|
5186 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5187 |
MNG_TRACE (pData, MNG_FN_READ_SHOW, MNG_LC_START);
|
|
|
5188 |
#endif
|
|
|
5189 |
|
|
|
5190 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
5191 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5192 |
|
|
|
5193 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5194 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
5195 |
#else
|
|
|
5196 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
5197 |
#endif
|
|
|
5198 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5199 |
/* check the length */
|
|
|
5200 |
if ((iRawlen != 0) && (iRawlen != 2) && (iRawlen != 4) && (iRawlen != 5))
|
|
|
5201 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
5202 |
|
|
|
5203 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
5204 |
{
|
|
|
5205 |
mng_retcode iRetcode;
|
|
|
5206 |
|
|
|
5207 |
if (iRawlen) /* determine parameters if any */
|
|
|
5208 |
{
|
|
|
5209 |
pData->iSHOWfromid = mng_get_uint16 (pRawdata);
|
|
|
5210 |
|
|
|
5211 |
if (iRawlen > 2)
|
|
|
5212 |
pData->iSHOWtoid = mng_get_uint16 (pRawdata+2);
|
|
|
5213 |
else
|
|
|
5214 |
pData->iSHOWtoid = pData->iSHOWfromid;
|
|
|
5215 |
|
|
|
5216 |
if (iRawlen > 4)
|
|
|
5217 |
pData->iSHOWmode = *(pRawdata+4);
|
|
|
5218 |
else
|
|
|
5219 |
pData->iSHOWmode = 0;
|
|
|
5220 |
}
|
|
|
5221 |
else /* use defaults then */
|
|
|
5222 |
{
|
|
|
5223 |
pData->iSHOWmode = 2;
|
|
|
5224 |
pData->iSHOWfromid = 1;
|
|
|
5225 |
pData->iSHOWtoid = 65535;
|
|
|
5226 |
}
|
|
|
5227 |
/* create a SHOW animation object */
|
|
|
5228 |
iRetcode = mng_create_ani_show (pData, pData->iSHOWfromid,
|
|
|
5229 |
pData->iSHOWtoid, pData->iSHOWmode);
|
|
|
5230 |
|
|
|
5231 |
if (!iRetcode)
|
|
|
5232 |
iRetcode = mng_process_display_show (pData);
|
|
|
5233 |
|
|
|
5234 |
if (iRetcode) /* on error bail out */
|
|
|
5235 |
return iRetcode;
|
|
|
5236 |
|
|
|
5237 |
}
|
|
|
5238 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
5239 |
|
|
|
5240 |
#ifdef MNG_STORE_CHUNKS
|
|
|
5241 |
if (pData->bStorechunks)
|
|
|
5242 |
{ /* initialize storage */
|
|
|
5243 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
5244 |
|
|
|
5245 |
if (iRetcode) /* on error bail out */
|
|
|
5246 |
return iRetcode;
|
|
|
5247 |
/* store the fields */
|
|
|
5248 |
((mng_showp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
5249 |
|
|
|
5250 |
if (iRawlen)
|
|
|
5251 |
{
|
|
|
5252 |
((mng_showp)*ppChunk)->iFirstid = mng_get_uint16 (pRawdata);
|
|
|
5253 |
|
|
|
5254 |
if (iRawlen > 2)
|
|
|
5255 |
((mng_showp)*ppChunk)->iLastid = mng_get_uint16 (pRawdata+2);
|
|
|
5256 |
else
|
|
|
5257 |
((mng_showp)*ppChunk)->iLastid = ((mng_showp)*ppChunk)->iFirstid;
|
|
|
5258 |
|
|
|
5259 |
if (iRawlen > 4)
|
|
|
5260 |
((mng_showp)*ppChunk)->iMode = *(pRawdata+4);
|
|
|
5261 |
}
|
|
|
5262 |
}
|
|
|
5263 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
5264 |
|
|
|
5265 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5266 |
MNG_TRACE (pData, MNG_FN_READ_SHOW, MNG_LC_END);
|
|
|
5267 |
#endif
|
|
|
5268 |
|
|
|
5269 |
return MNG_NOERROR; /* done */
|
|
|
5270 |
}
|
|
|
5271 |
#endif
|
|
|
5272 |
#endif
|
|
|
5273 |
|
|
|
5274 |
/* ************************************************************************** */
|
|
|
5275 |
|
|
|
5276 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5277 |
#ifndef MNG_SKIPCHUNK_TERM
|
|
|
5278 |
READ_CHUNK (mng_read_term)
|
|
|
5279 |
{
|
|
|
5280 |
mng_uint8 iTermaction;
|
|
|
5281 |
mng_uint8 iIteraction = 0;
|
|
|
5282 |
mng_uint32 iDelay = 0;
|
|
|
5283 |
mng_uint32 iItermax = 0;
|
|
|
5284 |
|
|
|
5285 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5286 |
MNG_TRACE (pData, MNG_FN_READ_TERM, MNG_LC_START);
|
|
|
5287 |
#endif
|
|
|
5288 |
|
|
|
5289 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
5290 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5291 |
|
|
|
5292 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5293 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
5294 |
#else
|
|
|
5295 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
5296 |
#endif
|
|
|
5297 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5298 |
|
|
|
5299 |
/* should be behind MHDR or SAVE !! */
|
|
|
5300 |
if ((!pData->bHasSAVE) && (pData->iChunkseq > 2))
|
|
|
5301 |
{
|
|
|
5302 |
pData->bMisplacedTERM = MNG_TRUE; /* indicate we found a misplaced TERM */
|
|
|
5303 |
/* and send a warning signal!!! */
|
|
|
5304 |
MNG_WARNING (pData, MNG_SEQUENCEERROR);
|
|
|
5305 |
}
|
|
|
5306 |
|
|
|
5307 |
if (pData->bHasLOOP) /* no way, jose! */
|
|
|
5308 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5309 |
|
|
|
5310 |
if (pData->bHasTERM) /* only 1 allowed! */
|
|
|
5311 |
MNG_ERROR (pData, MNG_MULTIPLEERROR);
|
|
|
5312 |
/* check the length */
|
|
|
5313 |
if ((iRawlen != 1) && (iRawlen != 10))
|
|
|
5314 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
5315 |
|
|
|
5316 |
pData->bHasTERM = MNG_TRUE;
|
|
|
5317 |
|
|
|
5318 |
iTermaction = *pRawdata; /* get the fields */
|
|
|
5319 |
|
|
|
5320 |
if (iRawlen > 1)
|
|
|
5321 |
{
|
|
|
5322 |
iIteraction = *(pRawdata+1);
|
|
|
5323 |
iDelay = mng_get_uint32 (pRawdata+2);
|
|
|
5324 |
iItermax = mng_get_uint32 (pRawdata+6);
|
|
|
5325 |
}
|
|
|
5326 |
|
|
|
5327 |
if (pData->fProcessterm) /* inform the app ? */
|
|
|
5328 |
if (!pData->fProcessterm (((mng_handle)pData), iTermaction, iIteraction,
|
|
|
5329 |
iDelay, iItermax))
|
|
|
5330 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
5331 |
|
|
|
5332 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
5333 |
{ /* create the TERM ani-object */
|
|
|
5334 |
mng_retcode iRetcode = mng_create_ani_term (pData, iTermaction, iIteraction,
|
|
|
5335 |
iDelay, iItermax);
|
|
|
5336 |
|
|
|
5337 |
if (iRetcode) /* on error bail out */
|
|
|
5338 |
return iRetcode;
|
|
|
5339 |
/* save for future reference */
|
|
|
5340 |
pData->pTermaniobj = pData->pLastaniobj;
|
|
|
5341 |
}
|
|
|
5342 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
5343 |
|
|
|
5344 |
#ifdef MNG_STORE_CHUNKS
|
|
|
5345 |
if (pData->bStorechunks)
|
|
|
5346 |
{ /* initialize storage */
|
|
|
5347 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
5348 |
|
|
|
5349 |
if (iRetcode) /* on error bail out */
|
|
|
5350 |
return iRetcode;
|
|
|
5351 |
/* store the fields */
|
|
|
5352 |
((mng_termp)*ppChunk)->iTermaction = iTermaction;
|
|
|
5353 |
((mng_termp)*ppChunk)->iIteraction = iIteraction;
|
|
|
5354 |
((mng_termp)*ppChunk)->iDelay = iDelay;
|
|
|
5355 |
((mng_termp)*ppChunk)->iItermax = iItermax;
|
|
|
5356 |
}
|
|
|
5357 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
5358 |
|
|
|
5359 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5360 |
MNG_TRACE (pData, MNG_FN_READ_TERM, MNG_LC_END);
|
|
|
5361 |
#endif
|
|
|
5362 |
|
|
|
5363 |
return MNG_NOERROR; /* done */
|
|
|
5364 |
}
|
|
|
5365 |
#endif
|
|
|
5366 |
#endif
|
|
|
5367 |
|
|
|
5368 |
/* ************************************************************************** */
|
|
|
5369 |
|
|
|
5370 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5371 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
|
5372 |
READ_CHUNK (mng_read_save)
|
|
|
5373 |
{
|
|
|
5374 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5375 |
MNG_TRACE (pData, MNG_FN_READ_SAVE, MNG_LC_START);
|
|
|
5376 |
#endif
|
|
|
5377 |
/* sequence checks */
|
|
|
5378 |
if ((!pData->bHasMHDR) || (pData->bHasSAVE))
|
|
|
5379 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5380 |
|
|
|
5381 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5382 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
5383 |
#else
|
|
|
5384 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
5385 |
#endif
|
|
|
5386 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5387 |
|
|
|
5388 |
pData->bHasSAVE = MNG_TRUE;
|
|
|
5389 |
|
|
|
5390 |
if (pData->fProcesssave) /* inform the application ? */
|
|
|
5391 |
{
|
|
|
5392 |
mng_bool bOke = pData->fProcesssave ((mng_handle)pData);
|
|
|
5393 |
|
|
|
5394 |
if (!bOke)
|
|
|
5395 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
5396 |
}
|
|
|
5397 |
|
|
|
5398 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
5399 |
{
|
|
|
5400 |
mng_retcode iRetcode;
|
|
|
5401 |
|
|
|
5402 |
|
|
|
5403 |
/* TODO: something with the parameters */
|
|
|
5404 |
|
|
|
5405 |
|
|
|
5406 |
/* create a SAVE animation object */
|
|
|
5407 |
iRetcode = mng_create_ani_save (pData);
|
|
|
5408 |
|
|
|
5409 |
if (!iRetcode)
|
|
|
5410 |
iRetcode = mng_process_display_save (pData);
|
|
|
5411 |
|
|
|
5412 |
if (iRetcode) /* on error bail out */
|
|
|
5413 |
return iRetcode;
|
|
|
5414 |
|
|
|
5415 |
}
|
|
|
5416 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
5417 |
|
|
|
5418 |
#ifdef MNG_STORE_CHUNKS
|
|
|
5419 |
if (pData->bStorechunks)
|
|
|
5420 |
{ /* initialize storage */
|
|
|
5421 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
5422 |
|
|
|
5423 |
if (iRetcode) /* on error bail out */
|
|
|
5424 |
return iRetcode;
|
|
|
5425 |
/* store the fields */
|
|
|
5426 |
((mng_savep)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
5427 |
|
|
|
5428 |
if (iRawlen) /* not empty ? */
|
|
|
5429 |
{
|
|
|
5430 |
mng_uint8 iOtype = *pRawdata;
|
|
|
5431 |
mng_uint8 iEtype;
|
|
|
5432 |
mng_uint32 iCount = 0;
|
|
|
5433 |
mng_uint8p pTemp;
|
|
|
5434 |
mng_uint8p pNull;
|
|
|
5435 |
mng_uint32 iLen;
|
|
|
5436 |
mng_uint32 iOffset[2];
|
|
|
5437 |
mng_uint32 iStarttime[2];
|
|
|
5438 |
mng_uint32 iFramenr;
|
|
|
5439 |
mng_uint32 iLayernr;
|
|
|
5440 |
mng_uint32 iX;
|
|
|
5441 |
mng_save_entryp pEntry = MNG_NULL;
|
|
|
5442 |
mng_uint32 iNamesize;
|
|
|
5443 |
|
|
|
5444 |
if ((iOtype != 4) && (iOtype != 8))
|
|
|
5445 |
MNG_ERROR (pData, MNG_INVOFFSETSIZE);
|
|
|
5446 |
|
|
|
5447 |
((mng_savep)*ppChunk)->iOffsettype = iOtype;
|
|
|
5448 |
|
|
|
5449 |
for (iX = 0; iX < 2; iX++) /* do this twice to get the count first ! */
|
|
|
5450 |
{
|
|
|
5451 |
pTemp = pRawdata + 1;
|
|
|
5452 |
iLen = iRawlen - 1;
|
|
|
5453 |
|
|
|
5454 |
if (iX) /* second run ? */
|
|
|
5455 |
{
|
|
|
5456 |
MNG_ALLOC (pData, pEntry, (iCount * sizeof (mng_save_entry)));
|
|
|
5457 |
|
|
|
5458 |
((mng_savep)*ppChunk)->iCount = iCount;
|
|
|
5459 |
((mng_savep)*ppChunk)->pEntries = pEntry;
|
|
|
5460 |
}
|
|
|
5461 |
|
|
|
5462 |
while (iLen) /* anything left ? */
|
|
|
5463 |
{
|
|
|
5464 |
iEtype = *pTemp; /* entrytype */
|
|
|
5465 |
|
|
|
5466 |
if ((iEtype != 0) && (iEtype != 1) && (iEtype != 2) && (iEtype != 3))
|
|
|
5467 |
MNG_ERROR (pData, MNG_INVENTRYTYPE);
|
|
|
5468 |
|
|
|
5469 |
pTemp++;
|
|
|
5470 |
|
|
|
5471 |
if (iEtype > 1)
|
|
|
5472 |
{
|
|
|
5473 |
iOffset [0] = 0;
|
|
|
5474 |
iOffset [1] = 0;
|
|
|
5475 |
iStarttime [0] = 0;
|
|
|
5476 |
iStarttime [1] = 0;
|
|
|
5477 |
iLayernr = 0;
|
|
|
5478 |
iFramenr = 0;
|
|
|
5479 |
}
|
|
|
5480 |
else
|
|
|
5481 |
{
|
|
|
5482 |
if (iOtype == 4)
|
|
|
5483 |
{
|
|
|
5484 |
iOffset [0] = 0;
|
|
|
5485 |
iOffset [1] = mng_get_uint32 (pTemp);
|
|
|
5486 |
|
|
|
5487 |
pTemp += 4;
|
|
|
5488 |
}
|
|
|
5489 |
else
|
|
|
5490 |
{
|
|
|
5491 |
iOffset [0] = mng_get_uint32 (pTemp);
|
|
|
5492 |
iOffset [1] = mng_get_uint32 (pTemp+4);
|
|
|
5493 |
|
|
|
5494 |
pTemp += 8;
|
|
|
5495 |
}
|
|
|
5496 |
|
|
|
5497 |
if (iEtype > 0)
|
|
|
5498 |
{
|
|
|
5499 |
iStarttime [0] = 0;
|
|
|
5500 |
iStarttime [1] = 0;
|
|
|
5501 |
iLayernr = 0;
|
|
|
5502 |
iFramenr = 0;
|
|
|
5503 |
}
|
|
|
5504 |
else
|
|
|
5505 |
{
|
|
|
5506 |
if (iOtype == 4)
|
|
|
5507 |
{
|
|
|
5508 |
iStarttime [0] = 0;
|
|
|
5509 |
iStarttime [1] = mng_get_uint32 (pTemp+0);
|
|
|
5510 |
iLayernr = mng_get_uint32 (pTemp+4);
|
|
|
5511 |
iFramenr = mng_get_uint32 (pTemp+8);
|
|
|
5512 |
|
|
|
5513 |
pTemp += 12;
|
|
|
5514 |
}
|
|
|
5515 |
else
|
|
|
5516 |
{
|
|
|
5517 |
iStarttime [0] = mng_get_uint32 (pTemp+0);
|
|
|
5518 |
iStarttime [1] = mng_get_uint32 (pTemp+4);
|
|
|
5519 |
iLayernr = mng_get_uint32 (pTemp+8);
|
|
|
5520 |
iFramenr = mng_get_uint32 (pTemp+12);
|
|
|
5521 |
|
|
|
5522 |
pTemp += 16;
|
|
|
5523 |
}
|
|
|
5524 |
}
|
|
|
5525 |
}
|
|
|
5526 |
|
|
|
5527 |
pNull = find_null (pTemp); /* get the name length */
|
|
|
5528 |
|
|
|
5529 |
if ((pNull - pRawdata) > (mng_int32)iRawlen)
|
|
|
5530 |
{
|
|
|
5531 |
iNamesize = iLen; /* no null found; so end of SAVE */
|
|
|
5532 |
iLen = 0;
|
|
|
5533 |
}
|
|
|
5534 |
else
|
|
|
5535 |
{
|
|
|
5536 |
iNamesize = pNull - pTemp; /* should be another entry */
|
|
|
5537 |
iLen -= iNamesize;
|
|
|
5538 |
|
|
|
5539 |
if (!iLen) /* must not end with a null ! */
|
|
|
5540 |
MNG_ERROR (pData, MNG_ENDWITHNULL);
|
|
|
5541 |
}
|
|
|
5542 |
|
|
|
5543 |
if (!pEntry)
|
|
|
5544 |
{
|
|
|
5545 |
iCount++;
|
|
|
5546 |
}
|
|
|
5547 |
else
|
|
|
5548 |
{
|
|
|
5549 |
pEntry->iEntrytype = iEtype;
|
|
|
5550 |
pEntry->iOffset [0] = iOffset [0];
|
|
|
5551 |
pEntry->iOffset [1] = iOffset [1];
|
|
|
5552 |
pEntry->iStarttime [0] = iStarttime [0];
|
|
|
5553 |
pEntry->iStarttime [1] = iStarttime [1];
|
|
|
5554 |
pEntry->iLayernr = iLayernr;
|
|
|
5555 |
pEntry->iFramenr = iFramenr;
|
|
|
5556 |
pEntry->iNamesize = iNamesize;
|
|
|
5557 |
|
|
|
5558 |
if (iNamesize)
|
|
|
5559 |
{
|
|
|
5560 |
MNG_ALLOC (pData, pEntry->zName, iNamesize+1);
|
|
|
5561 |
MNG_COPY (pEntry->zName, pTemp, iNamesize);
|
|
|
5562 |
}
|
|
|
5563 |
|
|
|
5564 |
pEntry++;
|
|
|
5565 |
}
|
|
|
5566 |
|
|
|
5567 |
pTemp += iNamesize;
|
|
|
5568 |
}
|
|
|
5569 |
}
|
|
|
5570 |
}
|
|
|
5571 |
}
|
|
|
5572 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
5573 |
|
|
|
5574 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5575 |
MNG_TRACE (pData, MNG_FN_READ_SAVE, MNG_LC_END);
|
|
|
5576 |
#endif
|
|
|
5577 |
|
|
|
5578 |
return MNG_NOERROR; /* done */
|
|
|
5579 |
}
|
|
|
5580 |
#endif
|
|
|
5581 |
#endif
|
|
|
5582 |
|
|
|
5583 |
/* ************************************************************************** */
|
|
|
5584 |
|
|
|
5585 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5586 |
#ifndef MNG_SKIPCHUNK_SEEK
|
|
|
5587 |
READ_CHUNK (mng_read_seek)
|
|
|
5588 |
{
|
|
|
5589 |
mng_retcode iRetcode;
|
|
|
5590 |
|
|
|
5591 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5592 |
MNG_TRACE (pData, MNG_FN_READ_SEEK, MNG_LC_START);
|
|
|
5593 |
#endif
|
|
|
5594 |
/* sequence checks */
|
|
|
5595 |
if ((!pData->bHasMHDR) || (!pData->bHasSAVE))
|
|
|
5596 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5597 |
|
|
|
5598 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5599 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
5600 |
#else
|
|
|
5601 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
5602 |
#endif
|
|
|
5603 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5604 |
|
|
|
5605 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
5606 |
/* create a SEEK animation object */
|
|
|
5607 |
iRetcode = mng_create_ani_seek (pData, iRawlen, (mng_pchar)pRawdata);
|
|
|
5608 |
|
|
|
5609 |
if (iRetcode) /* on error bail out */
|
|
|
5610 |
return iRetcode;
|
|
|
5611 |
|
|
|
5612 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
5613 |
|
|
|
5614 |
if (pData->fProcessseek) /* inform the app ? */
|
|
|
5615 |
{
|
|
|
5616 |
mng_bool bOke;
|
|
|
5617 |
mng_pchar zName;
|
|
|
5618 |
|
|
|
5619 |
MNG_ALLOC (pData, zName, iRawlen + 1);
|
|
|
5620 |
|
|
|
5621 |
if (iRawlen)
|
|
|
5622 |
MNG_COPY (zName, pRawdata, iRawlen);
|
|
|
5623 |
|
|
|
5624 |
bOke = pData->fProcessseek ((mng_handle)pData, zName);
|
|
|
5625 |
|
|
|
5626 |
MNG_FREEX (pData, zName, iRawlen + 1);
|
|
|
5627 |
|
|
|
5628 |
if (!bOke)
|
|
|
5629 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
5630 |
}
|
|
|
5631 |
|
|
|
5632 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
5633 |
/* do display processing of the SEEK */
|
|
|
5634 |
iRetcode = mng_process_display_seek (pData);
|
|
|
5635 |
|
|
|
5636 |
if (iRetcode) /* on error bail out */
|
|
|
5637 |
return iRetcode;
|
|
|
5638 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
5639 |
|
|
|
5640 |
#ifdef MNG_STORE_CHUNKS
|
|
|
5641 |
if (pData->bStorechunks)
|
|
|
5642 |
{ /* initialize storage */
|
|
|
5643 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
5644 |
|
|
|
5645 |
if (iRetcode) /* on error bail out */
|
|
|
5646 |
return iRetcode;
|
|
|
5647 |
/* store the fields */
|
|
|
5648 |
((mng_seekp)*ppChunk)->iNamesize = iRawlen;
|
|
|
5649 |
|
|
|
5650 |
if (iRawlen)
|
|
|
5651 |
{
|
|
|
5652 |
MNG_ALLOC (pData, ((mng_seekp)*ppChunk)->zName, iRawlen+1);
|
|
|
5653 |
MNG_COPY (((mng_seekp)*ppChunk)->zName, pRawdata, iRawlen);
|
|
|
5654 |
}
|
|
|
5655 |
}
|
|
|
5656 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
5657 |
|
|
|
5658 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5659 |
MNG_TRACE (pData, MNG_FN_READ_SEEK, MNG_LC_END);
|
|
|
5660 |
#endif
|
|
|
5661 |
|
|
|
5662 |
return MNG_NOERROR; /* done */
|
|
|
5663 |
}
|
|
|
5664 |
#endif
|
|
|
5665 |
#endif
|
|
|
5666 |
|
|
|
5667 |
/* ************************************************************************** */
|
|
|
5668 |
|
|
|
5669 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5670 |
#ifndef MNG_SKIPCHUNK_eXPI
|
|
|
5671 |
READ_CHUNK (mng_read_expi)
|
|
|
5672 |
{
|
|
|
5673 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5674 |
MNG_TRACE (pData, MNG_FN_READ_EXPI, MNG_LC_START);
|
|
|
5675 |
#endif
|
|
|
5676 |
|
|
|
5677 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
5678 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5679 |
|
|
|
5680 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5681 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
5682 |
#else
|
|
|
5683 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
5684 |
#endif
|
|
|
5685 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5686 |
|
|
|
5687 |
if (iRawlen < 3) /* check the length */
|
|
|
5688 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
5689 |
|
|
|
5690 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
5691 |
{
|
|
|
5692 |
|
|
|
5693 |
|
|
|
5694 |
/* TODO: something !!! */
|
|
|
5695 |
|
|
|
5696 |
|
|
|
5697 |
}
|
|
|
5698 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
5699 |
|
|
|
5700 |
#ifdef MNG_STORE_CHUNKS
|
|
|
5701 |
if (pData->bStorechunks)
|
|
|
5702 |
{ /* initialize storage */
|
|
|
5703 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
5704 |
|
|
|
5705 |
if (iRetcode) /* on error bail out */
|
|
|
5706 |
return iRetcode;
|
|
|
5707 |
/* store the fields */
|
|
|
5708 |
((mng_expip)*ppChunk)->iSnapshotid = mng_get_uint16 (pRawdata);
|
|
|
5709 |
((mng_expip)*ppChunk)->iNamesize = iRawlen - 2;
|
|
|
5710 |
|
|
|
5711 |
if (((mng_expip)*ppChunk)->iNamesize)
|
|
|
5712 |
{
|
|
|
5713 |
MNG_ALLOC (pData, ((mng_expip)*ppChunk)->zName,
|
|
|
5714 |
((mng_expip)*ppChunk)->iNamesize + 1);
|
|
|
5715 |
MNG_COPY (((mng_expip)*ppChunk)->zName, pRawdata+2,
|
|
|
5716 |
((mng_expip)*ppChunk)->iNamesize);
|
|
|
5717 |
}
|
|
|
5718 |
}
|
|
|
5719 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
5720 |
|
|
|
5721 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5722 |
MNG_TRACE (pData, MNG_FN_READ_EXPI, MNG_LC_END);
|
|
|
5723 |
#endif
|
|
|
5724 |
|
|
|
5725 |
return MNG_NOERROR; /* done */
|
|
|
5726 |
}
|
|
|
5727 |
#endif
|
|
|
5728 |
#endif
|
|
|
5729 |
|
|
|
5730 |
/* ************************************************************************** */
|
|
|
5731 |
|
|
|
5732 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5733 |
#ifndef MNG_SKIPCHUNK_fPRI
|
|
|
5734 |
READ_CHUNK (mng_read_fpri)
|
|
|
5735 |
{
|
|
|
5736 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5737 |
MNG_TRACE (pData, MNG_FN_READ_FPRI, MNG_LC_START);
|
|
|
5738 |
#endif
|
|
|
5739 |
|
|
|
5740 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
5741 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5742 |
|
|
|
5743 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5744 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
5745 |
#else
|
|
|
5746 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
5747 |
#endif
|
|
|
5748 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5749 |
|
|
|
5750 |
if (iRawlen != 2) /* must be two bytes long */
|
|
|
5751 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
5752 |
|
|
|
5753 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
5754 |
{
|
|
|
5755 |
|
|
|
5756 |
|
|
|
5757 |
/* TODO: something !!! */
|
|
|
5758 |
|
|
|
5759 |
|
|
|
5760 |
}
|
|
|
5761 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
5762 |
|
|
|
5763 |
#ifdef MNG_STORE_CHUNKS
|
|
|
5764 |
if (pData->bStorechunks)
|
|
|
5765 |
{ /* initialize storage */
|
|
|
5766 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
5767 |
|
|
|
5768 |
if (iRetcode) /* on error bail out */
|
|
|
5769 |
return iRetcode;
|
|
|
5770 |
/* store the fields */
|
|
|
5771 |
((mng_fprip)*ppChunk)->iDeltatype = *pRawdata;
|
|
|
5772 |
((mng_fprip)*ppChunk)->iPriority = *(pRawdata+1);
|
|
|
5773 |
}
|
|
|
5774 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
5775 |
|
|
|
5776 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5777 |
MNG_TRACE (pData, MNG_FN_READ_FPRI, MNG_LC_END);
|
|
|
5778 |
#endif
|
|
|
5779 |
|
|
|
5780 |
return MNG_NOERROR; /* done */
|
|
|
5781 |
}
|
|
|
5782 |
#endif
|
|
|
5783 |
#endif
|
|
|
5784 |
|
|
|
5785 |
/* ************************************************************************** */
|
|
|
5786 |
|
|
|
5787 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5788 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
|
5789 |
MNG_LOCAL mng_bool CheckKeyword (mng_datap pData,
|
|
|
5790 |
mng_uint8p pKeyword)
|
|
|
5791 |
{
|
|
|
5792 |
mng_chunkid handled_chunks [] =
|
|
|
5793 |
{
|
|
|
5794 |
MNG_UINT_BACK, /* keep it sorted !!!! */
|
|
|
5795 |
MNG_UINT_BASI,
|
|
|
5796 |
MNG_UINT_CLIP,
|
|
|
5797 |
MNG_UINT_CLON,
|
|
|
5798 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
5799 |
/* TODO: MNG_UINT_DBYK, */
|
|
|
5800 |
#endif
|
|
|
5801 |
MNG_UINT_DEFI,
|
|
|
5802 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
5803 |
MNG_UINT_DHDR,
|
|
|
5804 |
#endif
|
|
|
5805 |
MNG_UINT_DISC,
|
|
|
5806 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
5807 |
/* TODO: MNG_UINT_DROP, */
|
|
|
5808 |
#endif
|
|
|
5809 |
MNG_UINT_ENDL,
|
|
|
5810 |
MNG_UINT_FRAM,
|
|
|
5811 |
MNG_UINT_IDAT,
|
|
|
5812 |
MNG_UINT_IEND,
|
|
|
5813 |
MNG_UINT_IHDR,
|
|
|
5814 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
5815 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5816 |
MNG_UINT_IJNG,
|
|
|
5817 |
#endif
|
|
|
5818 |
MNG_UINT_IPNG,
|
|
|
5819 |
#endif
|
|
|
5820 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5821 |
MNG_UINT_JDAA,
|
|
|
5822 |
MNG_UINT_JDAT,
|
|
|
5823 |
MNG_UINT_JHDR,
|
|
|
5824 |
/* TODO: MNG_UINT_JSEP, */
|
|
|
5825 |
MNG_UINT_JdAA,
|
|
|
5826 |
#endif
|
|
|
5827 |
MNG_UINT_LOOP,
|
|
|
5828 |
MNG_UINT_MAGN,
|
|
|
5829 |
MNG_UINT_MEND,
|
|
|
5830 |
MNG_UINT_MHDR,
|
|
|
5831 |
MNG_UINT_MOVE,
|
|
|
5832 |
/* TODO: MNG_UINT_ORDR, */
|
|
|
5833 |
MNG_UINT_PAST,
|
|
|
5834 |
MNG_UINT_PLTE,
|
|
|
5835 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
5836 |
MNG_UINT_PPLT,
|
|
|
5837 |
MNG_UINT_PROM,
|
|
|
5838 |
#endif
|
|
|
5839 |
MNG_UINT_SAVE,
|
|
|
5840 |
MNG_UINT_SEEK,
|
|
|
5841 |
MNG_UINT_SHOW,
|
|
|
5842 |
MNG_UINT_TERM,
|
|
|
5843 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
|
5844 |
MNG_UINT_adAT,
|
|
|
5845 |
MNG_UINT_ahDR,
|
|
|
5846 |
#endif
|
|
|
5847 |
MNG_UINT_bKGD,
|
|
|
5848 |
MNG_UINT_cHRM,
|
|
|
5849 |
/* TODO: MNG_UINT_eXPI, */
|
|
|
5850 |
MNG_UINT_evNT,
|
|
|
5851 |
/* TODO: MNG_UINT_fPRI, */
|
|
|
5852 |
MNG_UINT_gAMA,
|
|
|
5853 |
/* TODO: MNG_UINT_hIST, */
|
|
|
5854 |
MNG_UINT_iCCP,
|
|
|
5855 |
MNG_UINT_iTXt,
|
|
|
5856 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
|
5857 |
MNG_UINT_mpNG,
|
|
|
5858 |
#endif
|
|
|
5859 |
MNG_UINT_nEED,
|
|
|
5860 |
/* TODO: MNG_UINT_oFFs, */
|
|
|
5861 |
/* TODO: MNG_UINT_pCAL, */
|
|
|
5862 |
/* TODO: MNG_UINT_pHYg, */
|
|
|
5863 |
/* TODO: MNG_UINT_pHYs, */
|
|
|
5864 |
/* TODO: MNG_UINT_sBIT, */
|
|
|
5865 |
/* TODO: MNG_UINT_sCAL, */
|
|
|
5866 |
/* TODO: MNG_UINT_sPLT, */
|
|
|
5867 |
MNG_UINT_sRGB,
|
|
|
5868 |
MNG_UINT_tEXt,
|
|
|
5869 |
MNG_UINT_tIME,
|
|
|
5870 |
MNG_UINT_tRNS,
|
|
|
5871 |
MNG_UINT_zTXt,
|
|
|
5872 |
};
|
|
|
5873 |
|
|
|
5874 |
mng_bool bOke = MNG_FALSE;
|
|
|
5875 |
|
|
|
5876 |
if (pData->fProcessneed) /* does the app handle it ? */
|
|
|
5877 |
bOke = pData->fProcessneed ((mng_handle)pData, (mng_pchar)pKeyword);
|
|
|
5878 |
|
|
|
5879 |
if (!bOke)
|
|
|
5880 |
{ /* find the keyword length */
|
|
|
5881 |
mng_uint8p pNull = find_null (pKeyword);
|
|
|
5882 |
|
|
|
5883 |
if (pNull - pKeyword == 4) /* test a chunk ? */
|
|
|
5884 |
{ /* get the chunk-id */
|
|
|
5885 |
mng_chunkid iChunkid = (*pKeyword << 24) + (*(pKeyword+1) << 16) +
|
|
|
5886 |
(*(pKeyword+2) << 8) + (*(pKeyword+3) );
|
|
|
5887 |
/* binary search variables */
|
|
|
5888 |
mng_int32 iTop, iLower, iUpper, iMiddle;
|
|
|
5889 |
/* determine max index of table */
|
|
|
5890 |
iTop = (sizeof (handled_chunks) / sizeof (handled_chunks [0])) - 1;
|
|
|
5891 |
|
|
|
5892 |
/* binary search; with 52 chunks, worst-case is 7 comparisons */
|
|
|
5893 |
iLower = 0;
|
|
|
5894 |
iMiddle = iTop >> 1;
|
|
|
5895 |
iUpper = iTop;
|
|
|
5896 |
|
|
|
5897 |
do /* the binary search itself */
|
|
|
5898 |
{
|
|
|
5899 |
if (handled_chunks [iMiddle] < iChunkid)
|
|
|
5900 |
iLower = iMiddle + 1;
|
|
|
5901 |
else if (handled_chunks [iMiddle] > iChunkid)
|
|
|
5902 |
iUpper = iMiddle - 1;
|
|
|
5903 |
else
|
|
|
5904 |
{
|
|
|
5905 |
bOke = MNG_TRUE;
|
|
|
5906 |
break;
|
|
|
5907 |
}
|
|
|
5908 |
|
|
|
5909 |
iMiddle = (iLower + iUpper) >> 1;
|
|
|
5910 |
}
|
|
|
5911 |
while (iLower <= iUpper);
|
|
|
5912 |
}
|
|
|
5913 |
/* test draft ? */
|
|
|
5914 |
if ((!bOke) && (pNull - pKeyword == 8) &&
|
|
|
5915 |
(*pKeyword == 'd') && (*(pKeyword+1) == 'r') &&
|
|
|
5916 |
(*(pKeyword+2) == 'a') && (*(pKeyword+3) == 'f') &&
|
|
|
5917 |
(*(pKeyword+4) == 't') && (*(pKeyword+5) == ' '))
|
|
|
5918 |
{
|
|
|
5919 |
mng_uint32 iDraft;
|
|
|
5920 |
|
|
|
5921 |
iDraft = (*(pKeyword+6) - '0') * 10 + (*(pKeyword+7) - '0');
|
|
|
5922 |
bOke = (mng_bool)(iDraft <= MNG_MNG_DRAFT);
|
|
|
5923 |
}
|
|
|
5924 |
/* test MNG 1.0/1.1 ? */
|
|
|
5925 |
if ((!bOke) && (pNull - pKeyword == 7) &&
|
|
|
5926 |
(*pKeyword == 'M') && (*(pKeyword+1) == 'N') &&
|
|
|
5927 |
(*(pKeyword+2) == 'G') && (*(pKeyword+3) == '-') &&
|
|
|
5928 |
(*(pKeyword+4) == '1') && (*(pKeyword+5) == '.') &&
|
|
|
5929 |
((*(pKeyword+6) == '0') || (*(pKeyword+6) == '1')))
|
|
|
5930 |
bOke = MNG_TRUE;
|
|
|
5931 |
/* test CACHEOFF ? */
|
|
|
5932 |
if ((!bOke) && (pNull - pKeyword == 8) &&
|
|
|
5933 |
(*pKeyword == 'C') && (*(pKeyword+1) == 'A') &&
|
|
|
5934 |
(*(pKeyword+2) == 'C') && (*(pKeyword+3) == 'H') &&
|
|
|
5935 |
(*(pKeyword+4) == 'E') && (*(pKeyword+5) == 'O') &&
|
|
|
5936 |
(*(pKeyword+6) == 'F') && (*(pKeyword+7) == 'F'))
|
|
|
5937 |
{
|
|
|
5938 |
if (!pData->pFirstaniobj) /* only if caching hasn't started yet ! */
|
|
|
5939 |
{
|
|
|
5940 |
bOke = MNG_TRUE;
|
|
|
5941 |
pData->bCacheplayback = MNG_FALSE;
|
|
|
5942 |
pData->bStorechunks = MNG_FALSE;
|
|
|
5943 |
}
|
|
|
5944 |
}
|
|
|
5945 |
}
|
|
|
5946 |
|
|
|
5947 |
return bOke;
|
|
|
5948 |
}
|
|
|
5949 |
#endif
|
|
|
5950 |
#endif
|
|
|
5951 |
|
|
|
5952 |
/* ************************************************************************** */
|
|
|
5953 |
|
|
|
5954 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
5955 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
|
5956 |
READ_CHUNK (mng_read_need)
|
|
|
5957 |
{
|
|
|
5958 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5959 |
MNG_TRACE (pData, MNG_FN_READ_NEED, MNG_LC_START);
|
|
|
5960 |
#endif
|
|
|
5961 |
|
|
|
5962 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
5963 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5964 |
|
|
|
5965 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5966 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
5967 |
#else
|
|
|
5968 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
5969 |
#endif
|
|
|
5970 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
5971 |
|
|
|
5972 |
if (iRawlen < 1) /* check the length */
|
|
|
5973 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
5974 |
|
|
|
5975 |
{ /* let's check it */
|
|
|
5976 |
mng_bool bOke = MNG_TRUE;
|
|
|
5977 |
mng_pchar zKeywords;
|
|
|
5978 |
mng_uint8p pNull, pTemp;
|
|
|
5979 |
|
|
|
5980 |
MNG_ALLOC (pData, zKeywords, iRawlen + 1);
|
|
|
5981 |
|
|
|
5982 |
if (iRawlen)
|
|
|
5983 |
MNG_COPY (zKeywords, pRawdata, iRawlen);
|
|
|
5984 |
|
|
|
5985 |
pTemp = (mng_uint8p)zKeywords;
|
|
|
5986 |
pNull = find_null (pTemp);
|
|
|
5987 |
|
|
|
5988 |
while ((bOke) && (pNull < (mng_uint8p)zKeywords + iRawlen))
|
|
|
5989 |
{
|
|
|
5990 |
bOke = CheckKeyword (pData, pTemp);
|
|
|
5991 |
pTemp = pNull + 1;
|
|
|
5992 |
pNull = find_null (pTemp);
|
|
|
5993 |
}
|
|
|
5994 |
|
|
|
5995 |
if (bOke)
|
|
|
5996 |
bOke = CheckKeyword (pData, pTemp);
|
|
|
5997 |
|
|
|
5998 |
MNG_FREEX (pData, zKeywords, iRawlen + 1);
|
|
|
5999 |
|
|
|
6000 |
if (!bOke)
|
|
|
6001 |
MNG_ERROR (pData, MNG_UNSUPPORTEDNEED);
|
|
|
6002 |
}
|
|
|
6003 |
|
|
|
6004 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6005 |
if (pData->bStorechunks)
|
|
|
6006 |
{ /* initialize storage */
|
|
|
6007 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6008 |
|
|
|
6009 |
if (iRetcode) /* on error bail out */
|
|
|
6010 |
return iRetcode;
|
|
|
6011 |
/* store the fields */
|
|
|
6012 |
((mng_needp)*ppChunk)->iKeywordssize = iRawlen;
|
|
|
6013 |
|
|
|
6014 |
if (iRawlen)
|
|
|
6015 |
{
|
|
|
6016 |
MNG_ALLOC (pData, ((mng_needp)*ppChunk)->zKeywords, iRawlen+1);
|
|
|
6017 |
MNG_COPY (((mng_needp)*ppChunk)->zKeywords, pRawdata, iRawlen);
|
|
|
6018 |
}
|
|
|
6019 |
}
|
|
|
6020 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6021 |
|
|
|
6022 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6023 |
MNG_TRACE (pData, MNG_FN_READ_NEED, MNG_LC_END);
|
|
|
6024 |
#endif
|
|
|
6025 |
|
|
|
6026 |
return MNG_NOERROR; /* done */
|
|
|
6027 |
}
|
|
|
6028 |
#endif
|
|
|
6029 |
#endif
|
|
|
6030 |
|
|
|
6031 |
/* ************************************************************************** */
|
|
|
6032 |
|
|
|
6033 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6034 |
#ifndef MNG_SKIPCHUNK_pHYg
|
|
|
6035 |
READ_CHUNK (mng_read_phyg)
|
|
|
6036 |
{
|
|
|
6037 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6038 |
MNG_TRACE (pData, MNG_FN_READ_PHYG, MNG_LC_START);
|
|
|
6039 |
#endif
|
|
|
6040 |
|
|
|
6041 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
6042 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6043 |
|
|
|
6044 |
#ifdef MNG_INCLUDE_JNG
|
|
|
6045 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
6046 |
#else
|
|
|
6047 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
6048 |
#endif
|
|
|
6049 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6050 |
/* it's 9 bytes or empty; no more, no less! */
|
|
|
6051 |
if ((iRawlen != 9) && (iRawlen != 0))
|
|
|
6052 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6053 |
|
|
|
6054 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6055 |
{
|
|
|
6056 |
|
|
|
6057 |
|
|
|
6058 |
/* TODO: something !!! */
|
|
|
6059 |
|
|
|
6060 |
|
|
|
6061 |
}
|
|
|
6062 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6063 |
|
|
|
6064 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6065 |
if (pData->bStorechunks)
|
|
|
6066 |
{ /* initialize storage */
|
|
|
6067 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6068 |
|
|
|
6069 |
if (iRetcode) /* on error bail out */
|
|
|
6070 |
return iRetcode;
|
|
|
6071 |
/* store the fields */
|
|
|
6072 |
((mng_phygp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
6073 |
|
|
|
6074 |
if (iRawlen)
|
|
|
6075 |
{
|
|
|
6076 |
((mng_phygp)*ppChunk)->iSizex = mng_get_uint32 (pRawdata);
|
|
|
6077 |
((mng_phygp)*ppChunk)->iSizey = mng_get_uint32 (pRawdata+4);
|
|
|
6078 |
((mng_phygp)*ppChunk)->iUnit = *(pRawdata+8);
|
|
|
6079 |
}
|
|
|
6080 |
}
|
|
|
6081 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6082 |
|
|
|
6083 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6084 |
MNG_TRACE (pData, MNG_FN_READ_PHYG, MNG_LC_END);
|
|
|
6085 |
#endif
|
|
|
6086 |
|
|
|
6087 |
return MNG_NOERROR; /* done */
|
|
|
6088 |
}
|
|
|
6089 |
#endif
|
|
|
6090 |
#endif
|
|
|
6091 |
|
|
|
6092 |
/* ************************************************************************** */
|
|
|
6093 |
|
|
|
6094 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6095 |
#ifdef MNG_INCLUDE_JNG
|
|
|
6096 |
READ_CHUNK (mng_read_jhdr)
|
|
|
6097 |
{
|
|
|
6098 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6099 |
MNG_TRACE (pData, MNG_FN_READ_JHDR, MNG_LC_START);
|
|
|
6100 |
#endif
|
|
|
6101 |
/* sequence checks */
|
|
|
6102 |
if ((pData->eSigtype != mng_it_jng) && (pData->eSigtype != mng_it_mng))
|
|
|
6103 |
MNG_ERROR (pData, MNG_CHUNKNOTALLOWED);
|
|
|
6104 |
|
|
|
6105 |
if ((pData->eSigtype == mng_it_jng) && (pData->iChunkseq > 1))
|
|
|
6106 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6107 |
|
|
|
6108 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
6109 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6110 |
|
|
|
6111 |
if (iRawlen != 16) /* length oke ? */
|
|
|
6112 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6113 |
/* inside a JHDR-IEND block now */
|
|
|
6114 |
pData->bHasJHDR = MNG_TRUE;
|
|
|
6115 |
/* and store interesting fields */
|
|
|
6116 |
pData->iDatawidth = mng_get_uint32 (pRawdata);
|
|
|
6117 |
pData->iDataheight = mng_get_uint32 (pRawdata+4);
|
|
|
6118 |
pData->iJHDRcolortype = *(pRawdata+8);
|
|
|
6119 |
pData->iJHDRimgbitdepth = *(pRawdata+9);
|
|
|
6120 |
pData->iJHDRimgcompression = *(pRawdata+10);
|
|
|
6121 |
pData->iJHDRimginterlace = *(pRawdata+11);
|
|
|
6122 |
pData->iJHDRalphabitdepth = *(pRawdata+12);
|
|
|
6123 |
pData->iJHDRalphacompression = *(pRawdata+13);
|
|
|
6124 |
pData->iJHDRalphafilter = *(pRawdata+14);
|
|
|
6125 |
pData->iJHDRalphainterlace = *(pRawdata+15);
|
|
|
6126 |
|
|
|
6127 |
|
|
|
6128 |
#if defined(MNG_NO_1_2_4BIT_SUPPORT) || defined(MNG_NO_16BIT_SUPPORT)
|
|
|
6129 |
pData->iPNGmult = 1;
|
|
|
6130 |
pData->iPNGdepth = pData->iJHDRalphabitdepth;
|
|
|
6131 |
#endif
|
|
|
6132 |
|
|
|
6133 |
#ifdef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
6134 |
if (pData->iJHDRalphabitdepth < 8)
|
|
|
6135 |
pData->iJHDRalphabitdepth = 8;
|
|
|
6136 |
#endif
|
|
|
6137 |
|
|
|
6138 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
|
6139 |
if (pData->iJHDRalphabitdepth > 8)
|
|
|
6140 |
{
|
|
|
6141 |
pData->iPNGmult = 2;
|
|
|
6142 |
pData->iJHDRalphabitdepth = 8;
|
|
|
6143 |
}
|
|
|
6144 |
#endif
|
|
|
6145 |
/* parameter validity checks */
|
|
|
6146 |
if ((pData->iJHDRcolortype != MNG_COLORTYPE_JPEGGRAY ) &&
|
|
|
6147 |
(pData->iJHDRcolortype != MNG_COLORTYPE_JPEGCOLOR ) &&
|
|
|
6148 |
(pData->iJHDRcolortype != MNG_COLORTYPE_JPEGGRAYA ) &&
|
|
|
6149 |
(pData->iJHDRcolortype != MNG_COLORTYPE_JPEGCOLORA) )
|
|
|
6150 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
|
6151 |
|
|
|
6152 |
if ((pData->iJHDRimgbitdepth != MNG_BITDEPTH_JPEG8 ) &&
|
|
|
6153 |
(pData->iJHDRimgbitdepth != MNG_BITDEPTH_JPEG12 ) &&
|
|
|
6154 |
(pData->iJHDRimgbitdepth != MNG_BITDEPTH_JPEG8AND12) )
|
|
|
6155 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
6156 |
|
|
|
6157 |
if (pData->iJHDRimgcompression != MNG_COMPRESSION_BASELINEJPEG)
|
|
|
6158 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
|
6159 |
|
|
|
6160 |
if ((pData->iJHDRimginterlace != MNG_INTERLACE_SEQUENTIAL ) &&
|
|
|
6161 |
(pData->iJHDRimginterlace != MNG_INTERLACE_PROGRESSIVE) )
|
|
|
6162 |
MNG_ERROR (pData, MNG_INVALIDINTERLACE);
|
|
|
6163 |
|
|
|
6164 |
if ((pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA ) ||
|
|
|
6165 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) )
|
|
|
6166 |
{
|
|
|
6167 |
if ((pData->iJHDRalphabitdepth != MNG_BITDEPTH_8 )
|
|
|
6168 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
6169 |
&& (pData->iJHDRalphabitdepth != MNG_BITDEPTH_1 ) &&
|
|
|
6170 |
(pData->iJHDRalphabitdepth != MNG_BITDEPTH_2 ) &&
|
|
|
6171 |
(pData->iJHDRalphabitdepth != MNG_BITDEPTH_4 )
|
|
|
6172 |
#endif
|
|
|
6173 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6174 |
&& (pData->iJHDRalphabitdepth != MNG_BITDEPTH_16)
|
|
|
6175 |
#endif
|
|
|
6176 |
)
|
|
|
6177 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
6178 |
|
|
|
6179 |
if ((pData->iJHDRalphacompression != MNG_COMPRESSION_DEFLATE ) &&
|
|
|
6180 |
(pData->iJHDRalphacompression != MNG_COMPRESSION_BASELINEJPEG) )
|
|
|
6181 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
|
6182 |
|
|
|
6183 |
if ((pData->iJHDRalphacompression == MNG_COMPRESSION_BASELINEJPEG) &&
|
|
|
6184 |
(pData->iJHDRalphabitdepth != MNG_BITDEPTH_8 ) )
|
|
|
6185 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
6186 |
|
|
|
6187 |
#if defined(FILTER192) || defined(FILTER193)
|
|
|
6188 |
if ((pData->iJHDRalphafilter != MNG_FILTER_ADAPTIVE ) &&
|
|
|
6189 |
#if defined(FILTER192) && defined(FILTER193)
|
|
|
6190 |
(pData->iJHDRalphafilter != MNG_FILTER_DIFFERING) &&
|
|
|
6191 |
(pData->iJHDRalphafilter != MNG_FILTER_NOFILTER ) )
|
|
|
6192 |
#else
|
|
|
6193 |
#ifdef FILTER192
|
|
|
6194 |
(pData->iJHDRalphafilter != MNG_FILTER_DIFFERING) )
|
|
|
6195 |
#else
|
|
|
6196 |
(pData->iJHDRalphafilter != MNG_FILTER_NOFILTER ) )
|
|
|
6197 |
#endif
|
|
|
6198 |
#endif
|
|
|
6199 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
|
6200 |
#else
|
|
|
6201 |
if (pData->iJHDRalphafilter)
|
|
|
6202 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
|
6203 |
#endif
|
|
|
6204 |
|
|
|
6205 |
if ((pData->iJHDRalphainterlace != MNG_INTERLACE_NONE ) &&
|
|
|
6206 |
(pData->iJHDRalphainterlace != MNG_INTERLACE_ADAM7) )
|
|
|
6207 |
MNG_ERROR (pData, MNG_INVALIDINTERLACE);
|
|
|
6208 |
|
|
|
6209 |
}
|
|
|
6210 |
else
|
|
|
6211 |
{
|
|
|
6212 |
if (pData->iJHDRalphabitdepth)
|
|
|
6213 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
6214 |
|
|
|
6215 |
if (pData->iJHDRalphacompression)
|
|
|
6216 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
|
6217 |
|
|
|
6218 |
if (pData->iJHDRalphafilter)
|
|
|
6219 |
MNG_ERROR (pData, MNG_INVALIDFILTER);
|
|
|
6220 |
|
|
|
6221 |
if (pData->iJHDRalphainterlace)
|
|
|
6222 |
MNG_ERROR (pData, MNG_INVALIDINTERLACE);
|
|
|
6223 |
|
|
|
6224 |
}
|
|
|
6225 |
|
|
|
6226 |
if (!pData->bHasheader) /* first chunk ? */
|
|
|
6227 |
{
|
|
|
6228 |
pData->bHasheader = MNG_TRUE; /* we've got a header */
|
|
|
6229 |
pData->eImagetype = mng_it_jng; /* then this must be a JNG */
|
|
|
6230 |
pData->iWidth = mng_get_uint32 (pRawdata);
|
|
|
6231 |
pData->iHeight = mng_get_uint32 (pRawdata+4);
|
|
|
6232 |
/* predict alpha-depth ! */
|
|
|
6233 |
if ((pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA ) ||
|
|
|
6234 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) )
|
|
|
6235 |
pData->iAlphadepth = pData->iJHDRalphabitdepth;
|
|
|
6236 |
else
|
|
|
6237 |
pData->iAlphadepth = 0;
|
|
|
6238 |
/* fits on maximum canvas ? */
|
|
|
6239 |
if ((pData->iWidth > pData->iMaxwidth) || (pData->iHeight > pData->iMaxheight))
|
|
|
6240 |
MNG_WARNING (pData, MNG_IMAGETOOLARGE);
|
|
|
6241 |
|
|
|
6242 |
if (pData->fProcessheader) /* inform the app ? */
|
|
|
6243 |
if (!pData->fProcessheader (((mng_handle)pData), pData->iWidth, pData->iHeight))
|
|
|
6244 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
6245 |
|
|
|
6246 |
}
|
|
|
6247 |
|
|
|
6248 |
pData->iColortype = 0; /* fake grayscale for other routines */
|
|
|
6249 |
pData->iImagelevel++; /* one level deeper */
|
|
|
6250 |
|
|
|
6251 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6252 |
{
|
|
|
6253 |
mng_retcode iRetcode = mng_process_display_jhdr (pData);
|
|
|
6254 |
|
|
|
6255 |
if (iRetcode) /* on error bail out */
|
|
|
6256 |
return iRetcode;
|
|
|
6257 |
}
|
|
|
6258 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6259 |
|
|
|
6260 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6261 |
if (pData->bStorechunks)
|
|
|
6262 |
{ /* initialize storage */
|
|
|
6263 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6264 |
|
|
|
6265 |
if (iRetcode) /* on error bail out */
|
|
|
6266 |
return iRetcode;
|
|
|
6267 |
/* store the fields */
|
|
|
6268 |
((mng_jhdrp)*ppChunk)->iWidth = mng_get_uint32 (pRawdata);
|
|
|
6269 |
((mng_jhdrp)*ppChunk)->iHeight = mng_get_uint32 (pRawdata+4);
|
|
|
6270 |
((mng_jhdrp)*ppChunk)->iColortype = *(pRawdata+8);
|
|
|
6271 |
((mng_jhdrp)*ppChunk)->iImagesampledepth = *(pRawdata+9);
|
|
|
6272 |
((mng_jhdrp)*ppChunk)->iImagecompression = *(pRawdata+10);
|
|
|
6273 |
((mng_jhdrp)*ppChunk)->iImageinterlace = *(pRawdata+11);
|
|
|
6274 |
((mng_jhdrp)*ppChunk)->iAlphasampledepth = *(pRawdata+12);
|
|
|
6275 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
|
6276 |
if (*(pRawdata+12) > 8)
|
|
|
6277 |
((mng_jhdrp)*ppChunk)->iAlphasampledepth = 8;
|
|
|
6278 |
#endif
|
|
|
6279 |
((mng_jhdrp)*ppChunk)->iAlphacompression = *(pRawdata+13);
|
|
|
6280 |
((mng_jhdrp)*ppChunk)->iAlphafilter = *(pRawdata+14);
|
|
|
6281 |
((mng_jhdrp)*ppChunk)->iAlphainterlace = *(pRawdata+15);
|
|
|
6282 |
}
|
|
|
6283 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6284 |
|
|
|
6285 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6286 |
MNG_TRACE (pData, MNG_FN_READ_JHDR, MNG_LC_END);
|
|
|
6287 |
#endif
|
|
|
6288 |
|
|
|
6289 |
return MNG_NOERROR; /* done */
|
|
|
6290 |
}
|
|
|
6291 |
#else
|
|
|
6292 |
#define read_jhdr 0
|
|
|
6293 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
6294 |
#endif
|
|
|
6295 |
|
|
|
6296 |
/* ************************************************************************** */
|
|
|
6297 |
|
|
|
6298 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6299 |
#ifdef MNG_INCLUDE_JNG
|
|
|
6300 |
READ_CHUNK (mng_read_jdaa)
|
|
|
6301 |
{
|
|
|
6302 |
#if defined(MNG_SUPPORT_DISPLAY) || defined(MNG_STORE_CHUNKS)
|
|
|
6303 |
volatile mng_retcode iRetcode;
|
|
|
6304 |
|
|
|
6305 |
iRetcode=MNG_NOERROR;
|
|
|
6306 |
#endif
|
|
|
6307 |
|
|
|
6308 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6309 |
MNG_TRACE (pData, MNG_FN_READ_JDAA, MNG_LC_START);
|
|
|
6310 |
#endif
|
|
|
6311 |
/* sequence checks */
|
|
|
6312 |
if ((!pData->bHasJHDR) && (!pData->bHasDHDR))
|
|
|
6313 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6314 |
|
|
|
6315 |
if (pData->bHasJSEP)
|
|
|
6316 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6317 |
|
|
|
6318 |
if (pData->iJHDRalphacompression != MNG_COMPRESSION_BASELINEJPEG)
|
|
|
6319 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6320 |
|
|
|
6321 |
if (iRawlen == 0) /* can never be empty */
|
|
|
6322 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6323 |
|
|
|
6324 |
pData->bHasJDAA = MNG_TRUE; /* got some JDAA now, don't we */
|
|
|
6325 |
|
|
|
6326 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6327 |
iRetcode = mng_process_display_jdaa (pData, iRawlen, pRawdata);
|
|
|
6328 |
|
|
|
6329 |
if (iRetcode) /* on error bail out */
|
|
|
6330 |
return iRetcode;
|
|
|
6331 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6332 |
|
|
|
6333 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6334 |
if (pData->bStorechunks)
|
|
|
6335 |
{ /* initialize storage */
|
|
|
6336 |
iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6337 |
|
|
|
6338 |
if (iRetcode) /* on error bail out */
|
|
|
6339 |
return iRetcode;
|
|
|
6340 |
/* store the fields */
|
|
|
6341 |
((mng_jdaap)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
6342 |
((mng_jdaap)*ppChunk)->iDatasize = iRawlen;
|
|
|
6343 |
|
|
|
6344 |
if (iRawlen != 0) /* is there any data ? */
|
|
|
6345 |
{
|
|
|
6346 |
MNG_ALLOC (pData, ((mng_jdaap)*ppChunk)->pData, iRawlen);
|
|
|
6347 |
MNG_COPY (((mng_jdaap)*ppChunk)->pData, pRawdata, iRawlen);
|
|
|
6348 |
}
|
|
|
6349 |
}
|
|
|
6350 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6351 |
|
|
|
6352 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6353 |
MNG_TRACE (pData, MNG_FN_READ_JDAA, MNG_LC_END);
|
|
|
6354 |
#endif
|
|
|
6355 |
|
|
|
6356 |
return MNG_NOERROR; /* done */
|
|
|
6357 |
}
|
|
|
6358 |
#else
|
|
|
6359 |
#define read_jdaa 0
|
|
|
6360 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
6361 |
#endif
|
|
|
6362 |
|
|
|
6363 |
/* ************************************************************************** */
|
|
|
6364 |
|
|
|
6365 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6366 |
#ifdef MNG_INCLUDE_JNG
|
|
|
6367 |
READ_CHUNK (mng_read_jdat)
|
|
|
6368 |
{
|
|
|
6369 |
#if defined(MNG_SUPPORT_DISPLAY) || defined(MNG_STORE_CHUNKS)
|
|
|
6370 |
volatile mng_retcode iRetcode;
|
|
|
6371 |
|
|
|
6372 |
iRetcode=MNG_NOERROR;
|
|
|
6373 |
#endif
|
|
|
6374 |
|
|
|
6375 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6376 |
MNG_TRACE (pData, MNG_FN_READ_JDAT, MNG_LC_START);
|
|
|
6377 |
#endif
|
|
|
6378 |
/* sequence checks */
|
|
|
6379 |
if ((!pData->bHasJHDR) && (!pData->bHasDHDR))
|
|
|
6380 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6381 |
|
|
|
6382 |
if (iRawlen == 0) /* can never be empty */
|
|
|
6383 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6384 |
|
|
|
6385 |
pData->bHasJDAT = MNG_TRUE; /* got some JDAT now, don't we */
|
|
|
6386 |
|
|
|
6387 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6388 |
iRetcode = mng_process_display_jdat (pData, iRawlen, pRawdata);
|
|
|
6389 |
|
|
|
6390 |
if (iRetcode) /* on error bail out */
|
|
|
6391 |
return iRetcode;
|
|
|
6392 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6393 |
|
|
|
6394 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6395 |
if (pData->bStorechunks)
|
|
|
6396 |
{ /* initialize storage */
|
|
|
6397 |
iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6398 |
|
|
|
6399 |
if (iRetcode) /* on error bail out */
|
|
|
6400 |
return iRetcode;
|
|
|
6401 |
/* store the fields */
|
|
|
6402 |
((mng_jdatp)*ppChunk)->bEmpty = (mng_bool)(iRawlen == 0);
|
|
|
6403 |
((mng_jdatp)*ppChunk)->iDatasize = iRawlen;
|
|
|
6404 |
|
|
|
6405 |
if (iRawlen != 0) /* is there any data ? */
|
|
|
6406 |
{
|
|
|
6407 |
MNG_ALLOC (pData, ((mng_jdatp)*ppChunk)->pData, iRawlen);
|
|
|
6408 |
MNG_COPY (((mng_jdatp)*ppChunk)->pData, pRawdata, iRawlen);
|
|
|
6409 |
}
|
|
|
6410 |
}
|
|
|
6411 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6412 |
|
|
|
6413 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6414 |
MNG_TRACE (pData, MNG_FN_READ_JDAT, MNG_LC_END);
|
|
|
6415 |
#endif
|
|
|
6416 |
|
|
|
6417 |
return MNG_NOERROR; /* done */
|
|
|
6418 |
}
|
|
|
6419 |
#else
|
|
|
6420 |
#define read_jdat 0
|
|
|
6421 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
6422 |
#endif
|
|
|
6423 |
|
|
|
6424 |
/* ************************************************************************** */
|
|
|
6425 |
|
|
|
6426 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6427 |
#ifdef MNG_INCLUDE_JNG
|
|
|
6428 |
READ_CHUNK (mng_read_jsep)
|
|
|
6429 |
{
|
|
|
6430 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6431 |
MNG_TRACE (pData, MNG_FN_READ_JSEP, MNG_LC_START);
|
|
|
6432 |
#endif
|
|
|
6433 |
|
|
|
6434 |
if (!pData->bHasJHDR) /* sequence checks */
|
|
|
6435 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6436 |
|
|
|
6437 |
if (iRawlen != 0) /* must be empty ! */
|
|
|
6438 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6439 |
|
|
|
6440 |
pData->bHasJSEP = MNG_TRUE; /* indicate we've had the 8-/12-bit separator */
|
|
|
6441 |
|
|
|
6442 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6443 |
if (pData->bStorechunks)
|
|
|
6444 |
{ /* initialize storage */
|
|
|
6445 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6446 |
|
|
|
6447 |
if (iRetcode) /* on error bail out */
|
|
|
6448 |
return iRetcode;
|
|
|
6449 |
|
|
|
6450 |
}
|
|
|
6451 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6452 |
|
|
|
6453 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6454 |
MNG_TRACE (pData, MNG_FN_READ_JSEP, MNG_LC_END);
|
|
|
6455 |
#endif
|
|
|
6456 |
|
|
|
6457 |
return MNG_NOERROR; /* done */
|
|
|
6458 |
}
|
|
|
6459 |
#else
|
|
|
6460 |
#define read_jsep 0
|
|
|
6461 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
6462 |
#endif
|
|
|
6463 |
|
|
|
6464 |
/* ************************************************************************** */
|
|
|
6465 |
|
|
|
6466 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6467 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
6468 |
READ_CHUNK (mng_read_dhdr)
|
|
|
6469 |
{
|
|
|
6470 |
mng_uint8 iImagetype, iDeltatype;
|
|
|
6471 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6472 |
MNG_TRACE (pData, MNG_FN_READ_DHDR, MNG_LC_START);
|
|
|
6473 |
#endif
|
|
|
6474 |
|
|
|
6475 |
if (!pData->bHasMHDR) /* sequence checks */
|
|
|
6476 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6477 |
|
|
|
6478 |
#ifdef MNG_INCLUDE_JNG
|
|
|
6479 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
6480 |
#else
|
|
|
6481 |
if ((pData->bHasIHDR) || (pData->bHasBASI) || (pData->bHasDHDR))
|
|
|
6482 |
#endif
|
|
|
6483 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6484 |
/* check for valid length */
|
|
|
6485 |
if ((iRawlen != 4) && (iRawlen != 12) && (iRawlen != 20))
|
|
|
6486 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6487 |
|
|
|
6488 |
iImagetype = *(pRawdata+2); /* check fields for validity */
|
|
|
6489 |
iDeltatype = *(pRawdata+3);
|
|
|
6490 |
|
|
|
6491 |
if (iImagetype > MNG_IMAGETYPE_JNG)
|
|
|
6492 |
MNG_ERROR (pData, MNG_INVIMAGETYPE);
|
|
|
6493 |
|
|
|
6494 |
if (iDeltatype > MNG_DELTATYPE_NOCHANGE)
|
|
|
6495 |
MNG_ERROR (pData, MNG_INVDELTATYPE);
|
|
|
6496 |
|
|
|
6497 |
if ((iDeltatype == MNG_DELTATYPE_REPLACE) && (iRawlen > 12))
|
|
|
6498 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6499 |
|
|
|
6500 |
if ((iDeltatype == MNG_DELTATYPE_NOCHANGE) && (iRawlen > 4))
|
|
|
6501 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6502 |
|
|
|
6503 |
pData->bHasDHDR = MNG_TRUE; /* inside a DHDR-IEND block now */
|
|
|
6504 |
pData->iDeltatype = iDeltatype;
|
|
|
6505 |
|
|
|
6506 |
pData->iImagelevel++; /* one level deeper */
|
|
|
6507 |
|
|
|
6508 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6509 |
{
|
|
|
6510 |
mng_uint16 iObjectid = mng_get_uint16 (pRawdata);
|
|
|
6511 |
mng_uint32 iBlockwidth = 0;
|
|
|
6512 |
mng_uint32 iBlockheight = 0;
|
|
|
6513 |
mng_uint32 iBlockx = 0;
|
|
|
6514 |
mng_uint32 iBlocky = 0;
|
|
|
6515 |
mng_retcode iRetcode;
|
|
|
6516 |
|
|
|
6517 |
if (iRawlen > 4)
|
|
|
6518 |
{
|
|
|
6519 |
iBlockwidth = mng_get_uint32 (pRawdata+4);
|
|
|
6520 |
iBlockheight = mng_get_uint32 (pRawdata+8);
|
|
|
6521 |
}
|
|
|
6522 |
|
|
|
6523 |
if (iRawlen > 12)
|
|
|
6524 |
{
|
|
|
6525 |
iBlockx = mng_get_uint32 (pRawdata+12);
|
|
|
6526 |
iBlocky = mng_get_uint32 (pRawdata+16);
|
|
|
6527 |
}
|
|
|
6528 |
|
|
|
6529 |
iRetcode = mng_create_ani_dhdr (pData, iObjectid, iImagetype, iDeltatype,
|
|
|
6530 |
iBlockwidth, iBlockheight, iBlockx, iBlocky);
|
|
|
6531 |
|
|
|
6532 |
/* if (!iRetcode)
|
|
|
6533 |
iRetcode = mng_process_display_dhdr (pData, iObjectid, iImagetype, iDeltatype,
|
|
|
6534 |
iBlockwidth, iBlockheight, iBlockx, iBlocky); */
|
|
|
6535 |
|
|
|
6536 |
if (iRetcode) /* on error bail out */
|
|
|
6537 |
return iRetcode;
|
|
|
6538 |
|
|
|
6539 |
}
|
|
|
6540 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6541 |
|
|
|
6542 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6543 |
if (pData->bStorechunks)
|
|
|
6544 |
{ /* initialize storage */
|
|
|
6545 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6546 |
|
|
|
6547 |
if (iRetcode) /* on error bail out */
|
|
|
6548 |
return iRetcode;
|
|
|
6549 |
/* store the fields */
|
|
|
6550 |
((mng_dhdrp)*ppChunk)->iObjectid = mng_get_uint16 (pRawdata);
|
|
|
6551 |
((mng_dhdrp)*ppChunk)->iImagetype = iImagetype;
|
|
|
6552 |
((mng_dhdrp)*ppChunk)->iDeltatype = iDeltatype;
|
|
|
6553 |
|
|
|
6554 |
if (iRawlen > 4)
|
|
|
6555 |
{
|
|
|
6556 |
((mng_dhdrp)*ppChunk)->iBlockwidth = mng_get_uint32 (pRawdata+4);
|
|
|
6557 |
((mng_dhdrp)*ppChunk)->iBlockheight = mng_get_uint32 (pRawdata+8);
|
|
|
6558 |
}
|
|
|
6559 |
|
|
|
6560 |
if (iRawlen > 12)
|
|
|
6561 |
{
|
|
|
6562 |
((mng_dhdrp)*ppChunk)->iBlockx = mng_get_uint32 (pRawdata+12);
|
|
|
6563 |
((mng_dhdrp)*ppChunk)->iBlocky = mng_get_uint32 (pRawdata+16);
|
|
|
6564 |
}
|
|
|
6565 |
}
|
|
|
6566 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6567 |
|
|
|
6568 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6569 |
MNG_TRACE (pData, MNG_FN_READ_DHDR, MNG_LC_END);
|
|
|
6570 |
#endif
|
|
|
6571 |
|
|
|
6572 |
return MNG_NOERROR; /* done */
|
|
|
6573 |
}
|
|
|
6574 |
#endif
|
|
|
6575 |
#endif
|
|
|
6576 |
|
|
|
6577 |
/* ************************************************************************** */
|
|
|
6578 |
|
|
|
6579 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6580 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
6581 |
READ_CHUNK (mng_read_prom)
|
|
|
6582 |
{
|
|
|
6583 |
mng_uint8 iColortype;
|
|
|
6584 |
mng_uint8 iSampledepth;
|
|
|
6585 |
mng_uint8 iFilltype;
|
|
|
6586 |
|
|
|
6587 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6588 |
MNG_TRACE (pData, MNG_FN_READ_PROM, MNG_LC_START);
|
|
|
6589 |
#endif
|
|
|
6590 |
/* sequence checks */
|
|
|
6591 |
if ((!pData->bHasMHDR) || (!pData->bHasDHDR))
|
|
|
6592 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6593 |
|
|
|
6594 |
if (iRawlen != 3) /* gotta be exactly 3 bytes */
|
|
|
6595 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6596 |
|
|
|
6597 |
iColortype = *pRawdata; /* check fields for validity */
|
|
|
6598 |
iSampledepth = *(pRawdata+1);
|
|
|
6599 |
iFilltype = *(pRawdata+2);
|
|
|
6600 |
|
|
|
6601 |
if ((iColortype != MNG_COLORTYPE_GRAY ) &&
|
|
|
6602 |
(iColortype != MNG_COLORTYPE_RGB ) &&
|
|
|
6603 |
(iColortype != MNG_COLORTYPE_INDEXED) &&
|
|
|
6604 |
(iColortype != MNG_COLORTYPE_GRAYA ) &&
|
|
|
6605 |
(iColortype != MNG_COLORTYPE_RGBA ) )
|
|
|
6606 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
|
6607 |
|
|
|
6608 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
|
6609 |
if (iSampledepth == MNG_BITDEPTH_16 )
|
|
|
6610 |
iSampledepth = MNG_BITDEPTH_8;
|
|
|
6611 |
#endif
|
|
|
6612 |
|
|
|
6613 |
if ((iSampledepth != MNG_BITDEPTH_1 ) &&
|
|
|
6614 |
(iSampledepth != MNG_BITDEPTH_2 ) &&
|
|
|
6615 |
(iSampledepth != MNG_BITDEPTH_4 ) &&
|
|
|
6616 |
(iSampledepth != MNG_BITDEPTH_8 )
|
|
|
6617 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6618 |
&& (iSampledepth != MNG_BITDEPTH_16)
|
|
|
6619 |
#endif
|
|
|
6620 |
)
|
|
|
6621 |
MNG_ERROR (pData, MNG_INVSAMPLEDEPTH);
|
|
|
6622 |
|
|
|
6623 |
if ((iFilltype != MNG_FILLMETHOD_LEFTBITREPLICATE) &&
|
|
|
6624 |
(iFilltype != MNG_FILLMETHOD_ZEROFILL ) )
|
|
|
6625 |
MNG_ERROR (pData, MNG_INVFILLMETHOD);
|
|
|
6626 |
|
|
|
6627 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6628 |
{
|
|
|
6629 |
mng_retcode iRetcode = mng_create_ani_prom (pData, iSampledepth,
|
|
|
6630 |
iColortype, iFilltype);
|
|
|
6631 |
|
|
|
6632 |
/* if (!iRetcode)
|
|
|
6633 |
iRetcode = mng_process_display_prom (pData, iSampledepth,
|
|
|
6634 |
iColortype, iFilltype); */
|
|
|
6635 |
|
|
|
6636 |
if (iRetcode) /* on error bail out */
|
|
|
6637 |
return iRetcode;
|
|
|
6638 |
}
|
|
|
6639 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6640 |
|
|
|
6641 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6642 |
if (pData->bStorechunks)
|
|
|
6643 |
{ /* initialize storage */
|
|
|
6644 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6645 |
|
|
|
6646 |
if (iRetcode) /* on error bail out */
|
|
|
6647 |
return iRetcode;
|
|
|
6648 |
/* store the fields */
|
|
|
6649 |
((mng_promp)*ppChunk)->iColortype = iColortype;
|
|
|
6650 |
((mng_promp)*ppChunk)->iSampledepth = iSampledepth;
|
|
|
6651 |
((mng_promp)*ppChunk)->iFilltype = iFilltype;
|
|
|
6652 |
}
|
|
|
6653 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6654 |
|
|
|
6655 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6656 |
MNG_TRACE (pData, MNG_FN_READ_PROM, MNG_LC_END);
|
|
|
6657 |
#endif
|
|
|
6658 |
|
|
|
6659 |
return MNG_NOERROR; /* done */
|
|
|
6660 |
}
|
|
|
6661 |
#endif
|
|
|
6662 |
#endif
|
|
|
6663 |
|
|
|
6664 |
/* ************************************************************************** */
|
|
|
6665 |
|
|
|
6666 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6667 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
6668 |
READ_CHUNK (mng_read_ipng)
|
|
|
6669 |
{
|
|
|
6670 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6671 |
MNG_TRACE (pData, MNG_FN_READ_IPNG, MNG_LC_START);
|
|
|
6672 |
#endif
|
|
|
6673 |
/* sequence checks */
|
|
|
6674 |
if ((!pData->bHasMHDR) || (!pData->bHasDHDR))
|
|
|
6675 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6676 |
|
|
|
6677 |
if (iRawlen != 0) /* gotta be empty */
|
|
|
6678 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6679 |
|
|
|
6680 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6681 |
{
|
|
|
6682 |
mng_retcode iRetcode = mng_create_ani_ipng (pData);
|
|
|
6683 |
|
|
|
6684 |
if (!iRetcode)
|
|
|
6685 |
iRetcode = mng_process_display_ipng (pData);
|
|
|
6686 |
|
|
|
6687 |
if (iRetcode) /* on error bail out */
|
|
|
6688 |
return iRetcode;
|
|
|
6689 |
|
|
|
6690 |
}
|
|
|
6691 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6692 |
|
|
|
6693 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6694 |
if (pData->bStorechunks)
|
|
|
6695 |
{ /* initialize storage */
|
|
|
6696 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6697 |
|
|
|
6698 |
if (iRetcode) /* on error bail out */
|
|
|
6699 |
return iRetcode;
|
|
|
6700 |
}
|
|
|
6701 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6702 |
|
|
|
6703 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6704 |
MNG_TRACE (pData, MNG_FN_READ_IPNG, MNG_LC_END);
|
|
|
6705 |
#endif
|
|
|
6706 |
|
|
|
6707 |
return MNG_NOERROR; /* done */
|
|
|
6708 |
}
|
|
|
6709 |
#endif
|
|
|
6710 |
#endif
|
|
|
6711 |
|
|
|
6712 |
/* ************************************************************************** */
|
|
|
6713 |
|
|
|
6714 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6715 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
6716 |
READ_CHUNK (mng_read_pplt)
|
|
|
6717 |
{
|
|
|
6718 |
mng_uint8 iDeltatype;
|
|
|
6719 |
mng_uint8p pTemp;
|
|
|
6720 |
mng_uint32 iLen;
|
|
|
6721 |
mng_uint8 iX, iM;
|
|
|
6722 |
mng_uint32 iY;
|
|
|
6723 |
mng_uint32 iMax;
|
|
|
6724 |
mng_rgbpaltab aIndexentries;
|
|
|
6725 |
mng_uint8arr aAlphaentries;
|
|
|
6726 |
mng_uint8arr aUsedentries;
|
|
|
6727 |
|
|
|
6728 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6729 |
MNG_TRACE (pData, MNG_FN_READ_PPLT, MNG_LC_START);
|
|
|
6730 |
#endif
|
|
|
6731 |
/* sequence checks */
|
|
|
6732 |
if ((!pData->bHasMHDR) && (!pData->bHasDHDR))
|
|
|
6733 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6734 |
|
|
|
6735 |
if (iRawlen < 1) /* must have at least 1 byte */
|
|
|
6736 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6737 |
|
|
|
6738 |
iDeltatype = *pRawdata;
|
|
|
6739 |
/* valid ? */
|
|
|
6740 |
if (iDeltatype > MNG_DELTATYPE_DELTARGBA)
|
|
|
6741 |
MNG_ERROR (pData, MNG_INVDELTATYPE);
|
|
|
6742 |
/* must be indexed color ! */
|
|
|
6743 |
if (pData->iColortype != MNG_COLORTYPE_INDEXED)
|
|
|
6744 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
|
6745 |
|
|
|
6746 |
pTemp = pRawdata + 1;
|
|
|
6747 |
iLen = iRawlen - 1;
|
|
|
6748 |
iMax = 0;
|
|
|
6749 |
|
|
|
6750 |
for (iY = 0; iY < 256; iY++) /* reset arrays */
|
|
|
6751 |
{
|
|
|
6752 |
aIndexentries [iY].iRed = 0;
|
|
|
6753 |
aIndexentries [iY].iGreen = 0;
|
|
|
6754 |
aIndexentries [iY].iBlue = 0;
|
|
|
6755 |
aAlphaentries [iY] = 255;
|
|
|
6756 |
aUsedentries [iY] = 0;
|
|
|
6757 |
}
|
|
|
6758 |
|
|
|
6759 |
while (iLen) /* as long as there are entries left ... */
|
|
|
6760 |
{
|
|
|
6761 |
mng_uint32 iDiff;
|
|
|
6762 |
|
|
|
6763 |
if (iLen < 2)
|
|
|
6764 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6765 |
|
|
|
6766 |
iX = *pTemp; /* get start and end index */
|
|
|
6767 |
iM = *(pTemp+1);
|
|
|
6768 |
|
|
|
6769 |
if (iM < iX)
|
|
|
6770 |
MNG_ERROR (pData, MNG_INVALIDINDEX);
|
|
|
6771 |
|
|
|
6772 |
if ((mng_uint32)iM >= iMax) /* determine highest used index */
|
|
|
6773 |
iMax = (mng_uint32)iM + 1;
|
|
|
6774 |
|
|
|
6775 |
pTemp += 2;
|
|
|
6776 |
iLen -= 2;
|
|
|
6777 |
iDiff = (iM - iX + 1);
|
|
|
6778 |
if ((iDeltatype == MNG_DELTATYPE_REPLACERGB ) ||
|
|
|
6779 |
(iDeltatype == MNG_DELTATYPE_DELTARGB ) )
|
|
|
6780 |
iDiff = iDiff * 3;
|
|
|
6781 |
else
|
|
|
6782 |
if ((iDeltatype == MNG_DELTATYPE_REPLACERGBA) ||
|
|
|
6783 |
(iDeltatype == MNG_DELTATYPE_DELTARGBA ) )
|
|
|
6784 |
iDiff = iDiff * 4;
|
|
|
6785 |
|
|
|
6786 |
if (iLen < iDiff)
|
|
|
6787 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6788 |
|
|
|
6789 |
if ((iDeltatype == MNG_DELTATYPE_REPLACERGB ) ||
|
|
|
6790 |
(iDeltatype == MNG_DELTATYPE_DELTARGB ) )
|
|
|
6791 |
{
|
|
|
6792 |
for (iY = (mng_uint32)iX; iY <= (mng_uint32)iM; iY++)
|
|
|
6793 |
{
|
|
|
6794 |
aIndexentries [iY].iRed = *pTemp;
|
|
|
6795 |
aIndexentries [iY].iGreen = *(pTemp+1);
|
|
|
6796 |
aIndexentries [iY].iBlue = *(pTemp+2);
|
|
|
6797 |
aUsedentries [iY] = 1;
|
|
|
6798 |
|
|
|
6799 |
pTemp += 3;
|
|
|
6800 |
iLen -= 3;
|
|
|
6801 |
}
|
|
|
6802 |
}
|
|
|
6803 |
else
|
|
|
6804 |
if ((iDeltatype == MNG_DELTATYPE_REPLACEALPHA) ||
|
|
|
6805 |
(iDeltatype == MNG_DELTATYPE_DELTAALPHA ) )
|
|
|
6806 |
{
|
|
|
6807 |
for (iY = (mng_uint32)iX; iY <= (mng_uint32)iM; iY++)
|
|
|
6808 |
{
|
|
|
6809 |
aAlphaentries [iY] = *pTemp;
|
|
|
6810 |
aUsedentries [iY] = 1;
|
|
|
6811 |
|
|
|
6812 |
pTemp++;
|
|
|
6813 |
iLen--;
|
|
|
6814 |
}
|
|
|
6815 |
}
|
|
|
6816 |
else
|
|
|
6817 |
{
|
|
|
6818 |
for (iY = (mng_uint32)iX; iY <= (mng_uint32)iM; iY++)
|
|
|
6819 |
{
|
|
|
6820 |
aIndexentries [iY].iRed = *pTemp;
|
|
|
6821 |
aIndexentries [iY].iGreen = *(pTemp+1);
|
|
|
6822 |
aIndexentries [iY].iBlue = *(pTemp+2);
|
|
|
6823 |
aAlphaentries [iY] = *(pTemp+3);
|
|
|
6824 |
aUsedentries [iY] = 1;
|
|
|
6825 |
|
|
|
6826 |
pTemp += 4;
|
|
|
6827 |
iLen -= 4;
|
|
|
6828 |
}
|
|
|
6829 |
}
|
|
|
6830 |
}
|
|
|
6831 |
|
|
|
6832 |
switch (pData->iBitdepth) /* check maximum allowed entries for bitdepth */
|
|
|
6833 |
{
|
|
|
6834 |
case MNG_BITDEPTH_1 : {
|
|
|
6835 |
if (iMax > 2)
|
|
|
6836 |
MNG_ERROR (pData, MNG_INVALIDINDEX);
|
|
|
6837 |
break;
|
|
|
6838 |
}
|
|
|
6839 |
case MNG_BITDEPTH_2 : {
|
|
|
6840 |
if (iMax > 4)
|
|
|
6841 |
MNG_ERROR (pData, MNG_INVALIDINDEX);
|
|
|
6842 |
break;
|
|
|
6843 |
}
|
|
|
6844 |
case MNG_BITDEPTH_4 : {
|
|
|
6845 |
if (iMax > 16)
|
|
|
6846 |
MNG_ERROR (pData, MNG_INVALIDINDEX);
|
|
|
6847 |
break;
|
|
|
6848 |
}
|
|
|
6849 |
}
|
|
|
6850 |
|
|
|
6851 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6852 |
{ /* create animation object */
|
|
|
6853 |
mng_retcode iRetcode = mng_create_ani_pplt (pData, iDeltatype, iMax,
|
|
|
6854 |
aIndexentries, aAlphaentries,
|
|
|
6855 |
aUsedentries);
|
|
|
6856 |
|
|
|
6857 |
/* if (!iRetcode)
|
|
|
6858 |
iRetcode = mng_process_display_pplt (pData, iDeltatype, iMax, aIndexentries,
|
|
|
6859 |
aAlphaentries, aUsedentries); */
|
|
|
6860 |
|
|
|
6861 |
if (iRetcode) /* on error bail out */
|
|
|
6862 |
return iRetcode;
|
|
|
6863 |
|
|
|
6864 |
}
|
|
|
6865 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6866 |
|
|
|
6867 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6868 |
if (pData->bStorechunks)
|
|
|
6869 |
{ /* initialize storage */
|
|
|
6870 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6871 |
|
|
|
6872 |
if (iRetcode) /* on error bail out */
|
|
|
6873 |
return iRetcode;
|
|
|
6874 |
/* store the fields */
|
|
|
6875 |
((mng_ppltp)*ppChunk)->iDeltatype = iDeltatype;
|
|
|
6876 |
((mng_ppltp)*ppChunk)->iCount = iMax;
|
|
|
6877 |
|
|
|
6878 |
for (iY = 0; iY < 256; iY++)
|
|
|
6879 |
{
|
|
|
6880 |
((mng_ppltp)*ppChunk)->aEntries [iY].iRed = aIndexentries [iY].iRed;
|
|
|
6881 |
((mng_ppltp)*ppChunk)->aEntries [iY].iGreen = aIndexentries [iY].iGreen;
|
|
|
6882 |
((mng_ppltp)*ppChunk)->aEntries [iY].iBlue = aIndexentries [iY].iBlue;
|
|
|
6883 |
((mng_ppltp)*ppChunk)->aEntries [iY].iAlpha = aAlphaentries [iY];
|
|
|
6884 |
((mng_ppltp)*ppChunk)->aEntries [iY].bUsed = (mng_bool)(aUsedentries [iY]);
|
|
|
6885 |
}
|
|
|
6886 |
}
|
|
|
6887 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6888 |
|
|
|
6889 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6890 |
MNG_TRACE (pData, MNG_FN_READ_PPLT, MNG_LC_END);
|
|
|
6891 |
#endif
|
|
|
6892 |
|
|
|
6893 |
return MNG_NOERROR; /* done */
|
|
|
6894 |
}
|
|
|
6895 |
#endif
|
|
|
6896 |
#endif
|
|
|
6897 |
|
|
|
6898 |
/* ************************************************************************** */
|
|
|
6899 |
|
|
|
6900 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6901 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
6902 |
#ifdef MNG_INCLUDE_JNG
|
|
|
6903 |
READ_CHUNK (mng_read_ijng)
|
|
|
6904 |
{
|
|
|
6905 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6906 |
MNG_TRACE (pData, MNG_FN_READ_IJNG, MNG_LC_START);
|
|
|
6907 |
#endif
|
|
|
6908 |
/* sequence checks */
|
|
|
6909 |
if ((!pData->bHasMHDR) || (!pData->bHasDHDR))
|
|
|
6910 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6911 |
|
|
|
6912 |
if (iRawlen != 0) /* gotta be empty */
|
|
|
6913 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6914 |
|
|
|
6915 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6916 |
{
|
|
|
6917 |
mng_retcode iRetcode = mng_create_ani_ijng (pData);
|
|
|
6918 |
|
|
|
6919 |
if (!iRetcode)
|
|
|
6920 |
iRetcode = mng_process_display_ijng (pData);
|
|
|
6921 |
|
|
|
6922 |
if (iRetcode) /* on error bail out */
|
|
|
6923 |
return iRetcode;
|
|
|
6924 |
|
|
|
6925 |
}
|
|
|
6926 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6927 |
|
|
|
6928 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6929 |
if (pData->bStorechunks)
|
|
|
6930 |
{ /* initialize storage */
|
|
|
6931 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6932 |
|
|
|
6933 |
if (iRetcode) /* on error bail out */
|
|
|
6934 |
return iRetcode;
|
|
|
6935 |
}
|
|
|
6936 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
6937 |
|
|
|
6938 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6939 |
MNG_TRACE (pData, MNG_FN_READ_IJNG, MNG_LC_END);
|
|
|
6940 |
#endif
|
|
|
6941 |
|
|
|
6942 |
return MNG_NOERROR; /* done */
|
|
|
6943 |
}
|
|
|
6944 |
#endif
|
|
|
6945 |
#endif
|
|
|
6946 |
#endif
|
|
|
6947 |
|
|
|
6948 |
/* ************************************************************************** */
|
|
|
6949 |
|
|
|
6950 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
6951 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
6952 |
READ_CHUNK (mng_read_drop)
|
|
|
6953 |
{
|
|
|
6954 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6955 |
MNG_TRACE (pData, MNG_FN_READ_DROP, MNG_LC_START);
|
|
|
6956 |
#endif
|
|
|
6957 |
/* sequence checks */
|
|
|
6958 |
if ((!pData->bHasMHDR) || (!pData->bHasDHDR))
|
|
|
6959 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
6960 |
/* check length */
|
|
|
6961 |
if ((iRawlen < 4) || ((iRawlen % 4) != 0))
|
|
|
6962 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
6963 |
|
|
|
6964 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
6965 |
{
|
|
|
6966 |
|
|
|
6967 |
|
|
|
6968 |
/* TODO: something !!! */
|
|
|
6969 |
|
|
|
6970 |
|
|
|
6971 |
}
|
|
|
6972 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
6973 |
|
|
|
6974 |
#ifdef MNG_STORE_CHUNKS
|
|
|
6975 |
if (pData->bStorechunks)
|
|
|
6976 |
{ /* initialize storage */
|
|
|
6977 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
6978 |
|
|
|
6979 |
if (iRetcode) /* on error bail out */
|
|
|
6980 |
return iRetcode;
|
|
|
6981 |
/* store the fields */
|
|
|
6982 |
((mng_dropp)*ppChunk)->iCount = iRawlen / 4;
|
|
|
6983 |
|
|
|
6984 |
if (iRawlen)
|
|
|
6985 |
{
|
|
|
6986 |
mng_uint32 iX;
|
|
|
6987 |
mng_uint8p pTemp = pRawdata;
|
|
|
6988 |
mng_uint32p pEntry;
|
|
|
6989 |
|
|
|
6990 |
MNG_ALLOC (pData, pEntry, iRawlen);
|
|
|
6991 |
|
|
|
6992 |
((mng_dropp)*ppChunk)->pChunknames = (mng_ptr)pEntry;
|
|
|
6993 |
|
|
|
6994 |
for (iX = 0; iX < iRawlen / 4; iX++)
|
|
|
6995 |
{
|
|
|
6996 |
*pEntry = mng_get_uint32 (pTemp);
|
|
|
6997 |
|
|
|
6998 |
pTemp += 4;
|
|
|
6999 |
pEntry++;
|
|
|
7000 |
}
|
|
|
7001 |
}
|
|
|
7002 |
}
|
|
|
7003 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
7004 |
|
|
|
7005 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7006 |
MNG_TRACE (pData, MNG_FN_READ_DROP, MNG_LC_END);
|
|
|
7007 |
#endif
|
|
|
7008 |
|
|
|
7009 |
return MNG_NOERROR; /* done */
|
|
|
7010 |
}
|
|
|
7011 |
#endif
|
|
|
7012 |
#endif
|
|
|
7013 |
|
|
|
7014 |
/* ************************************************************************** */
|
|
|
7015 |
|
|
|
7016 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
7017 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
7018 |
#ifndef MNG_SKIPCHUNK_DBYK
|
|
|
7019 |
READ_CHUNK (mng_read_dbyk)
|
|
|
7020 |
{
|
|
|
7021 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7022 |
MNG_TRACE (pData, MNG_FN_READ_DBYK, MNG_LC_START);
|
|
|
7023 |
#endif
|
|
|
7024 |
/* sequence checks */
|
|
|
7025 |
if ((!pData->bHasMHDR) || (!pData->bHasDHDR))
|
|
|
7026 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
7027 |
|
|
|
7028 |
if (iRawlen < 6) /* must be at least 6 long */
|
|
|
7029 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7030 |
|
|
|
7031 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
7032 |
{
|
|
|
7033 |
|
|
|
7034 |
|
|
|
7035 |
/* TODO: something !!! */
|
|
|
7036 |
|
|
|
7037 |
|
|
|
7038 |
}
|
|
|
7039 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
7040 |
|
|
|
7041 |
#ifdef MNG_STORE_CHUNKS
|
|
|
7042 |
if (pData->bStorechunks)
|
|
|
7043 |
{ /* initialize storage */
|
|
|
7044 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
7045 |
|
|
|
7046 |
if (iRetcode) /* on error bail out */
|
|
|
7047 |
return iRetcode;
|
|
|
7048 |
/* store the fields */
|
|
|
7049 |
((mng_dbykp)*ppChunk)->iChunkname = mng_get_uint32 (pRawdata);
|
|
|
7050 |
((mng_dbykp)*ppChunk)->iPolarity = *(pRawdata+4);
|
|
|
7051 |
((mng_dbykp)*ppChunk)->iKeywordssize = iRawlen - 5;
|
|
|
7052 |
|
|
|
7053 |
if (iRawlen > 5)
|
|
|
7054 |
{
|
|
|
7055 |
MNG_ALLOC (pData, ((mng_dbykp)*ppChunk)->zKeywords, iRawlen-4);
|
|
|
7056 |
MNG_COPY (((mng_dbykp)*ppChunk)->zKeywords, pRawdata+5, iRawlen-5);
|
|
|
7057 |
}
|
|
|
7058 |
}
|
|
|
7059 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
7060 |
|
|
|
7061 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7062 |
MNG_TRACE (pData, MNG_FN_READ_DBYK, MNG_LC_END);
|
|
|
7063 |
#endif
|
|
|
7064 |
|
|
|
7065 |
return MNG_NOERROR; /* done */
|
|
|
7066 |
}
|
|
|
7067 |
#endif
|
|
|
7068 |
#endif
|
|
|
7069 |
#endif
|
|
|
7070 |
|
|
|
7071 |
/* ************************************************************************** */
|
|
|
7072 |
|
|
|
7073 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
7074 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
7075 |
#ifndef MNG_SKIPCHUNK_ORDR
|
|
|
7076 |
READ_CHUNK (mng_read_ordr)
|
|
|
7077 |
{
|
|
|
7078 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7079 |
MNG_TRACE (pData, MNG_FN_READ_ORDR, MNG_LC_START);
|
|
|
7080 |
#endif
|
|
|
7081 |
/* sequence checks */
|
|
|
7082 |
if ((!pData->bHasMHDR) || (!pData->bHasDHDR))
|
|
|
7083 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
7084 |
/* check length */
|
|
|
7085 |
if ((iRawlen < 5) || ((iRawlen % 5) != 0))
|
|
|
7086 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7087 |
|
|
|
7088 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
7089 |
{
|
|
|
7090 |
|
|
|
7091 |
|
|
|
7092 |
/* TODO: something !!! */
|
|
|
7093 |
|
|
|
7094 |
|
|
|
7095 |
}
|
|
|
7096 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
7097 |
|
|
|
7098 |
#ifdef MNG_STORE_CHUNKS
|
|
|
7099 |
if (pData->bStorechunks)
|
|
|
7100 |
{ /* initialize storage */
|
|
|
7101 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
7102 |
|
|
|
7103 |
if (iRetcode) /* on error bail out */
|
|
|
7104 |
return iRetcode;
|
|
|
7105 |
/* store the fields */
|
|
|
7106 |
((mng_ordrp)*ppChunk)->iCount = iRawlen / 5;
|
|
|
7107 |
|
|
|
7108 |
if (iRawlen)
|
|
|
7109 |
{
|
|
|
7110 |
mng_uint32 iX;
|
|
|
7111 |
mng_ordr_entryp pEntry;
|
|
|
7112 |
mng_uint8p pTemp = pRawdata;
|
|
|
7113 |
|
|
|
7114 |
MNG_ALLOC (pData, pEntry, iRawlen);
|
|
|
7115 |
|
|
|
7116 |
((mng_ordrp)*ppChunk)->pEntries = pEntry;
|
|
|
7117 |
|
|
|
7118 |
for (iX = 0; iX < iRawlen / 5; iX++)
|
|
|
7119 |
{
|
|
|
7120 |
pEntry->iChunkname = mng_get_uint32 (pTemp);
|
|
|
7121 |
pEntry->iOrdertype = *(pTemp+4);
|
|
|
7122 |
|
|
|
7123 |
pTemp += 5;
|
|
|
7124 |
pEntry++;
|
|
|
7125 |
}
|
|
|
7126 |
}
|
|
|
7127 |
}
|
|
|
7128 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
7129 |
|
|
|
7130 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7131 |
MNG_TRACE (pData, MNG_FN_READ_ORDR, MNG_LC_END);
|
|
|
7132 |
#endif
|
|
|
7133 |
|
|
|
7134 |
return MNG_NOERROR; /* done */
|
|
|
7135 |
}
|
|
|
7136 |
#endif
|
|
|
7137 |
#endif
|
|
|
7138 |
#endif
|
|
|
7139 |
|
|
|
7140 |
/* ************************************************************************** */
|
|
|
7141 |
|
|
|
7142 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
7143 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
7144 |
READ_CHUNK (mng_read_magn)
|
|
|
7145 |
{
|
|
|
7146 |
mng_uint16 iFirstid, iLastid;
|
|
|
7147 |
mng_uint8 iMethodX, iMethodY;
|
|
|
7148 |
mng_uint16 iMX, iMY, iML, iMR, iMT, iMB;
|
|
|
7149 |
mng_bool bFaulty;
|
|
|
7150 |
|
|
|
7151 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7152 |
MNG_TRACE (pData, MNG_FN_READ_MAGN, MNG_LC_START);
|
|
|
7153 |
#endif
|
|
|
7154 |
/* sequence checks */
|
|
|
7155 |
#ifdef MNG_SUPPORT_JNG
|
|
|
7156 |
if ((!pData->bHasMHDR) || (pData->bHasIHDR) || (pData->bHasDHDR) || (pData->bHasJHDR))
|
|
|
7157 |
#else
|
|
|
7158 |
if ((!pData->bHasMHDR) || (pData->bHasIHDR) || (pData->bHasDHDR))
|
|
|
7159 |
#endif
|
|
|
7160 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
7161 |
/* check length */
|
|
|
7162 |
if (iRawlen > 20)
|
|
|
7163 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7164 |
|
|
|
7165 |
/* following is an ugly hack to allow faulty layout caused by previous
|
|
|
7166 |
versions of libmng and MNGeye, which wrote MAGN with a 16-bit
|
|
|
7167 |
MethodX/MethodY (as opposed to the proper 8-bit as defined in the spec!) */
|
|
|
7168 |
|
|
|
7169 |
if ((iRawlen == 6) || (iRawlen == 8) || (iRawlen == 10) || (iRawlen == 12) ||
|
|
|
7170 |
(iRawlen == 14) || (iRawlen == 16) || (iRawlen == 20))
|
|
|
7171 |
bFaulty = MNG_TRUE; /* these lengths are all wrong */
|
|
|
7172 |
else /* length 18 can be right or wrong !!! */
|
|
|
7173 |
if ((iRawlen == 18) && (mng_get_uint16 (pRawdata+4) <= 5) &&
|
|
|
7174 |
(mng_get_uint16 (pRawdata+6) < 256) &&
|
|
|
7175 |
(mng_get_uint16 (pRawdata+8) < 256) &&
|
|
|
7176 |
(mng_get_uint16 (pRawdata+10) < 256) &&
|
|
|
7177 |
(mng_get_uint16 (pRawdata+12) < 256) &&
|
|
|
7178 |
(mng_get_uint16 (pRawdata+14) < 256) &&
|
|
|
7179 |
(mng_get_uint16 (pRawdata+16) < 256))
|
|
|
7180 |
bFaulty = MNG_TRUE; /* this is very likely the wrong layout */
|
|
|
7181 |
else
|
|
|
7182 |
bFaulty = MNG_FALSE; /* all other cases are handled as right */
|
|
|
7183 |
|
|
|
7184 |
if (bFaulty) /* wrong layout ? */
|
|
|
7185 |
{
|
|
|
7186 |
if (iRawlen > 0) /* get the fields */
|
|
|
7187 |
iFirstid = mng_get_uint16 (pRawdata);
|
|
|
7188 |
else
|
|
|
7189 |
iFirstid = 0;
|
|
|
7190 |
|
|
|
7191 |
if (iRawlen > 2)
|
|
|
7192 |
iLastid = mng_get_uint16 (pRawdata+2);
|
|
|
7193 |
else
|
|
|
7194 |
iLastid = iFirstid;
|
|
|
7195 |
|
|
|
7196 |
if (iRawlen > 4)
|
|
|
7197 |
iMethodX = (mng_uint8)(mng_get_uint16 (pRawdata+4));
|
|
|
7198 |
else
|
|
|
7199 |
iMethodX = 0;
|
|
|
7200 |
|
|
|
7201 |
if (iRawlen > 6)
|
|
|
7202 |
iMX = mng_get_uint16 (pRawdata+6);
|
|
|
7203 |
else
|
|
|
7204 |
iMX = 1;
|
|
|
7205 |
|
|
|
7206 |
if (iRawlen > 8)
|
|
|
7207 |
iMY = mng_get_uint16 (pRawdata+8);
|
|
|
7208 |
else
|
|
|
7209 |
iMY = iMX;
|
|
|
7210 |
|
|
|
7211 |
if (iRawlen > 10)
|
|
|
7212 |
iML = mng_get_uint16 (pRawdata+10);
|
|
|
7213 |
else
|
|
|
7214 |
iML = iMX;
|
|
|
7215 |
|
|
|
7216 |
if (iRawlen > 12)
|
|
|
7217 |
iMR = mng_get_uint16 (pRawdata+12);
|
|
|
7218 |
else
|
|
|
7219 |
iMR = iMX;
|
|
|
7220 |
|
|
|
7221 |
if (iRawlen > 14)
|
|
|
7222 |
iMT = mng_get_uint16 (pRawdata+14);
|
|
|
7223 |
else
|
|
|
7224 |
iMT = iMY;
|
|
|
7225 |
|
|
|
7226 |
if (iRawlen > 16)
|
|
|
7227 |
iMB = mng_get_uint16 (pRawdata+16);
|
|
|
7228 |
else
|
|
|
7229 |
iMB = iMY;
|
|
|
7230 |
|
|
|
7231 |
if (iRawlen > 18)
|
|
|
7232 |
iMethodY = (mng_uint8)(mng_get_uint16 (pRawdata+18));
|
|
|
7233 |
else
|
|
|
7234 |
iMethodY = iMethodX;
|
|
|
7235 |
}
|
|
|
7236 |
else /* proper layout !!!! */
|
|
|
7237 |
{
|
|
|
7238 |
if (iRawlen > 0) /* get the fields */
|
|
|
7239 |
iFirstid = mng_get_uint16 (pRawdata);
|
|
|
7240 |
else
|
|
|
7241 |
iFirstid = 0;
|
|
|
7242 |
|
|
|
7243 |
if (iRawlen > 2)
|
|
|
7244 |
iLastid = mng_get_uint16 (pRawdata+2);
|
|
|
7245 |
else
|
|
|
7246 |
iLastid = iFirstid;
|
|
|
7247 |
|
|
|
7248 |
if (iRawlen > 4)
|
|
|
7249 |
iMethodX = *(pRawdata+4);
|
|
|
7250 |
else
|
|
|
7251 |
iMethodX = 0;
|
|
|
7252 |
|
|
|
7253 |
if (iRawlen > 5)
|
|
|
7254 |
iMX = mng_get_uint16 (pRawdata+5);
|
|
|
7255 |
else
|
|
|
7256 |
iMX = 1;
|
|
|
7257 |
|
|
|
7258 |
if (iRawlen > 7)
|
|
|
7259 |
iMY = mng_get_uint16 (pRawdata+7);
|
|
|
7260 |
else
|
|
|
7261 |
iMY = iMX;
|
|
|
7262 |
|
|
|
7263 |
if (iRawlen > 9)
|
|
|
7264 |
iML = mng_get_uint16 (pRawdata+9);
|
|
|
7265 |
else
|
|
|
7266 |
iML = iMX;
|
|
|
7267 |
|
|
|
7268 |
if (iRawlen > 11)
|
|
|
7269 |
iMR = mng_get_uint16 (pRawdata+11);
|
|
|
7270 |
else
|
|
|
7271 |
iMR = iMX;
|
|
|
7272 |
|
|
|
7273 |
if (iRawlen > 13)
|
|
|
7274 |
iMT = mng_get_uint16 (pRawdata+13);
|
|
|
7275 |
else
|
|
|
7276 |
iMT = iMY;
|
|
|
7277 |
|
|
|
7278 |
if (iRawlen > 15)
|
|
|
7279 |
iMB = mng_get_uint16 (pRawdata+15);
|
|
|
7280 |
else
|
|
|
7281 |
iMB = iMY;
|
|
|
7282 |
|
|
|
7283 |
if (iRawlen > 17)
|
|
|
7284 |
iMethodY = *(pRawdata+17);
|
|
|
7285 |
else
|
|
|
7286 |
iMethodY = iMethodX;
|
|
|
7287 |
}
|
|
|
7288 |
/* check field validity */
|
|
|
7289 |
if ((iMethodX > 5) || (iMethodY > 5))
|
|
|
7290 |
MNG_ERROR (pData, MNG_INVALIDMETHOD);
|
|
|
7291 |
|
|
|
7292 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
7293 |
{
|
|
|
7294 |
mng_retcode iRetcode;
|
|
|
7295 |
|
|
|
7296 |
iRetcode = mng_create_ani_magn (pData, iFirstid, iLastid, iMethodX,
|
|
|
7297 |
iMX, iMY, iML, iMR, iMT, iMB, iMethodY);
|
|
|
7298 |
|
|
|
7299 |
/* if (!iRetcode)
|
|
|
7300 |
iRetcode = mng_process_display_magn (pData, iFirstid, iLastid, iMethodX,
|
|
|
7301 |
iMX, iMY, iML, iMR, iMT, iMB, iMethodY); */
|
|
|
7302 |
|
|
|
7303 |
if (iRetcode) /* on error bail out */
|
|
|
7304 |
return iRetcode;
|
|
|
7305 |
|
|
|
7306 |
}
|
|
|
7307 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
7308 |
|
|
|
7309 |
#ifdef MNG_STORE_CHUNKS
|
|
|
7310 |
if (pData->bStorechunks)
|
|
|
7311 |
{ /* initialize storage */
|
|
|
7312 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
7313 |
|
|
|
7314 |
if (iRetcode) /* on error bail out */
|
|
|
7315 |
return iRetcode;
|
|
|
7316 |
/* store the fields */
|
|
|
7317 |
((mng_magnp)*ppChunk)->iFirstid = iFirstid;
|
|
|
7318 |
((mng_magnp)*ppChunk)->iLastid = iLastid;
|
|
|
7319 |
((mng_magnp)*ppChunk)->iMethodX = iMethodX;
|
|
|
7320 |
((mng_magnp)*ppChunk)->iMX = iMX;
|
|
|
7321 |
((mng_magnp)*ppChunk)->iMY = iMY;
|
|
|
7322 |
((mng_magnp)*ppChunk)->iML = iML;
|
|
|
7323 |
((mng_magnp)*ppChunk)->iMR = iMR;
|
|
|
7324 |
((mng_magnp)*ppChunk)->iMT = iMT;
|
|
|
7325 |
((mng_magnp)*ppChunk)->iMB = iMB;
|
|
|
7326 |
((mng_magnp)*ppChunk)->iMethodY = iMethodY;
|
|
|
7327 |
}
|
|
|
7328 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
7329 |
|
|
|
7330 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7331 |
MNG_TRACE (pData, MNG_FN_READ_MAGN, MNG_LC_END);
|
|
|
7332 |
#endif
|
|
|
7333 |
|
|
|
7334 |
return MNG_NOERROR; /* done */
|
|
|
7335 |
}
|
|
|
7336 |
#endif
|
|
|
7337 |
#endif
|
|
|
7338 |
|
|
|
7339 |
/* ************************************************************************** */
|
|
|
7340 |
|
|
|
7341 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
7342 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
|
7343 |
READ_CHUNK (mng_read_mpng)
|
|
|
7344 |
{
|
|
|
7345 |
mng_uint32 iFramewidth;
|
|
|
7346 |
mng_uint32 iFrameheight;
|
|
|
7347 |
mng_uint16 iTickspersec;
|
|
|
7348 |
mng_uint32 iFramessize;
|
|
|
7349 |
mng_uint32 iCompressedsize;
|
|
|
7350 |
#if defined(MNG_SUPPORT_DISPLAY) || defined(MNG_STORE_CHUNKS)
|
|
|
7351 |
mng_retcode iRetcode;
|
|
|
7352 |
mng_uint16 iNumplays;
|
|
|
7353 |
mng_uint32 iBufsize;
|
|
|
7354 |
mng_uint8p pBuf = 0;
|
|
|
7355 |
#endif
|
|
|
7356 |
|
|
|
7357 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7358 |
MNG_TRACE (pData, MNG_FN_READ_MPNG, MNG_LC_START);
|
|
|
7359 |
#endif
|
|
|
7360 |
/* sequence checks */
|
|
|
7361 |
if (!pData->bHasIHDR)
|
|
|
7362 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
7363 |
|
|
|
7364 |
if (iRawlen < 41) /* length must be at least 41 */
|
|
|
7365 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7366 |
|
|
|
7367 |
iFramewidth = mng_get_int32 (pRawdata);
|
|
|
7368 |
if (iFramewidth == 0) /* frame_width must not be zero */
|
|
|
7369 |
MNG_ERROR (pData, MNG_INVALIDWIDTH);
|
|
|
7370 |
|
|
|
7371 |
iFrameheight = mng_get_int32 (pRawdata+4);
|
|
|
7372 |
if (iFrameheight == 0) /* frame_height must not be zero */
|
|
|
7373 |
MNG_ERROR (pData, MNG_INVALIDHEIGHT);
|
|
|
7374 |
|
|
|
7375 |
iTickspersec = mng_get_uint16 (pRawdata+10);
|
|
|
7376 |
if (iTickspersec == 0) /* delay_den must not be zero */
|
|
|
7377 |
MNG_ERROR (pData, MNG_INVALIDFIELDVAL);
|
|
|
7378 |
|
|
|
7379 |
if (*(pRawdata+12) != 0) /* only deflate compression-method allowed */
|
|
|
7380 |
MNG_ERROR (pData, MNG_INVALIDCOMPRESS);
|
|
|
7381 |
|
|
|
7382 |
#if defined(MNG_SUPPORT_DISPLAY) || defined(MNG_STORE_CHUNKS)
|
|
|
7383 |
iNumplays = mng_get_uint16 (pRawdata+8);
|
|
|
7384 |
iCompressedsize = (mng_uint32)(iRawlen - 13);
|
|
|
7385 |
#endif
|
|
|
7386 |
|
|
|
7387 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
|
7388 |
{
|
|
|
7389 |
iRetcode = mng_inflate_buffer (pData, pRawdata+13, iCompressedsize,
|
|
|
7390 |
&pBuf, &iBufsize, &iFramessize);
|
|
|
7391 |
if (iRetcode) /* on error bail out */
|
|
|
7392 |
{
|
|
|
7393 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
7394 |
return iRetcode;
|
|
|
7395 |
}
|
|
|
7396 |
|
|
|
7397 |
if (iFramessize % 26)
|
|
|
7398 |
{
|
|
|
7399 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
7400 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7401 |
}
|
|
|
7402 |
|
|
|
7403 |
iRetcode = mng_create_mpng_obj (pData, iFramewidth, iFrameheight, iNumplays,
|
|
|
7404 |
iTickspersec, iFramessize, pBuf);
|
|
|
7405 |
if (iRetcode) /* on error bail out */
|
|
|
7406 |
{
|
|
|
7407 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
7408 |
return iRetcode;
|
|
|
7409 |
}
|
|
|
7410 |
}
|
|
|
7411 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
|
7412 |
|
|
|
7413 |
#ifdef MNG_STORE_CHUNKS
|
|
|
7414 |
if (pData->bStorechunks)
|
|
|
7415 |
{ /* initialize storage */
|
|
|
7416 |
iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
7417 |
if (iRetcode) /* on error bail out */
|
|
|
7418 |
return iRetcode;
|
|
|
7419 |
/* store the fields */
|
|
|
7420 |
((mng_mpngp)*ppChunk)->iFramewidth = iFramewidth;
|
|
|
7421 |
((mng_mpngp)*ppChunk)->iFrameheight = iFrameheight;
|
|
|
7422 |
((mng_mpngp)*ppChunk)->iNumplays = iNumplays;
|
|
|
7423 |
((mng_mpngp)*ppChunk)->iTickspersec = iTickspersec;
|
|
|
7424 |
((mng_mpngp)*ppChunk)->iCompressionmethod = *(pRawdata+14);
|
|
|
7425 |
|
|
|
7426 |
#ifndef MNG_SUPPORT_DISPLAY
|
|
|
7427 |
iRetcode = mng_inflate_buffer (pData, pRawdata+13, iCompressedsize,
|
|
|
7428 |
&pBuf, &iBufsize, &iFramessize);
|
|
|
7429 |
if (iRetcode) /* on error bail out */
|
|
|
7430 |
{
|
|
|
7431 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
7432 |
return iRetcode;
|
|
|
7433 |
}
|
|
|
7434 |
|
|
|
7435 |
if (iFramessize % 26)
|
|
|
7436 |
{
|
|
|
7437 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
7438 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7439 |
}
|
|
|
7440 |
#endif
|
|
|
7441 |
|
|
|
7442 |
if (iFramessize)
|
|
|
7443 |
{
|
|
|
7444 |
MNG_ALLOCX (pData, ((mng_mpngp)*ppChunk)->pFrames, iFramessize);
|
|
|
7445 |
if (((mng_mpngp)*ppChunk)->pFrames == 0)
|
|
|
7446 |
{
|
|
|
7447 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
7448 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
|
7449 |
}
|
|
|
7450 |
|
|
|
7451 |
((mng_mpngp)*ppChunk)->iFramessize = iFramessize;
|
|
|
7452 |
MNG_COPY (((mng_mpngp)*ppChunk)->pFrames, pBuf, iFramessize);
|
|
|
7453 |
}
|
|
|
7454 |
}
|
|
|
7455 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
7456 |
|
|
|
7457 |
#if defined(MNG_SUPPORT_DISPLAY) || defined(MNG_STORE_CHUNKS)
|
|
|
7458 |
MNG_FREEX (pData, pBuf, iBufsize);
|
|
|
7459 |
#endif
|
|
|
7460 |
|
|
|
7461 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7462 |
MNG_TRACE (pData, MNG_FN_READ_MPNG, MNG_LC_END);
|
|
|
7463 |
#endif
|
|
|
7464 |
|
|
|
7465 |
return MNG_NOERROR; /* done */
|
|
|
7466 |
}
|
|
|
7467 |
#endif
|
|
|
7468 |
#endif
|
|
|
7469 |
|
|
|
7470 |
/* ************************************************************************** */
|
|
|
7471 |
|
|
|
7472 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
7473 |
#ifndef MNG_SKIPCHUNK_evNT
|
|
|
7474 |
READ_CHUNK (mng_read_evnt)
|
|
|
7475 |
{
|
|
|
7476 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7477 |
MNG_TRACE (pData, MNG_FN_READ_EVNT, MNG_LC_START);
|
|
|
7478 |
#endif
|
|
|
7479 |
/* sequence checks */
|
|
|
7480 |
if ((!pData->bHasMHDR) || (pData->bHasSAVE))
|
|
|
7481 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
7482 |
|
|
|
7483 |
if (iRawlen < 2) /* must have at least 1 entry ! */
|
|
|
7484 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7485 |
|
|
|
7486 |
#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_SUPPORT_DYNAMICMNG)
|
|
|
7487 |
{
|
|
|
7488 |
if (iRawlen) /* not empty ? */
|
|
|
7489 |
{
|
|
|
7490 |
mng_retcode iRetcode;
|
|
|
7491 |
mng_uint8p pTemp;
|
|
|
7492 |
mng_uint8p pNull;
|
|
|
7493 |
mng_uint32 iLen;
|
|
|
7494 |
mng_uint8 iEventtype;
|
|
|
7495 |
mng_uint8 iMasktype;
|
|
|
7496 |
mng_int32 iLeft;
|
|
|
7497 |
mng_int32 iRight;
|
|
|
7498 |
mng_int32 iTop;
|
|
|
7499 |
mng_int32 iBottom;
|
|
|
7500 |
mng_uint16 iObjectid;
|
|
|
7501 |
mng_uint8 iIndex;
|
|
|
7502 |
mng_uint32 iNamesize;
|
|
|
7503 |
|
|
|
7504 |
pTemp = pRawdata;
|
|
|
7505 |
iLen = iRawlen;
|
|
|
7506 |
|
|
|
7507 |
while (iLen) /* anything left ? */
|
|
|
7508 |
{
|
|
|
7509 |
iEventtype = *pTemp; /* eventtype */
|
|
|
7510 |
if (iEventtype > 5)
|
|
|
7511 |
MNG_ERROR (pData, MNG_INVALIDEVENT);
|
|
|
7512 |
|
|
|
7513 |
pTemp++;
|
|
|
7514 |
|
|
|
7515 |
iMasktype = *pTemp; /* masktype */
|
|
|
7516 |
if (iMasktype > 5)
|
|
|
7517 |
MNG_ERROR (pData, MNG_INVALIDMASK);
|
|
|
7518 |
|
|
|
7519 |
pTemp++;
|
|
|
7520 |
iLen -= 2;
|
|
|
7521 |
|
|
|
7522 |
iLeft = 0;
|
|
|
7523 |
iRight = 0;
|
|
|
7524 |
iTop = 0;
|
|
|
7525 |
iBottom = 0;
|
|
|
7526 |
iObjectid = 0;
|
|
|
7527 |
iIndex = 0;
|
|
|
7528 |
|
|
|
7529 |
switch (iMasktype)
|
|
|
7530 |
{
|
|
|
7531 |
case 1 :
|
|
|
7532 |
{
|
|
|
7533 |
if (iLen > 16)
|
|
|
7534 |
{
|
|
|
7535 |
iLeft = mng_get_int32 (pTemp);
|
|
|
7536 |
iRight = mng_get_int32 (pTemp+4);
|
|
|
7537 |
iTop = mng_get_int32 (pTemp+8);
|
|
|
7538 |
iBottom = mng_get_int32 (pTemp+12);
|
|
|
7539 |
pTemp += 16;
|
|
|
7540 |
iLen -= 16;
|
|
|
7541 |
}
|
|
|
7542 |
else
|
|
|
7543 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7544 |
break;
|
|
|
7545 |
}
|
|
|
7546 |
case 2 :
|
|
|
7547 |
{
|
|
|
7548 |
if (iLen > 2)
|
|
|
7549 |
{
|
|
|
7550 |
iObjectid = mng_get_uint16 (pTemp);
|
|
|
7551 |
pTemp += 2;
|
|
|
7552 |
iLen -= 2;
|
|
|
7553 |
}
|
|
|
7554 |
else
|
|
|
7555 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7556 |
break;
|
|
|
7557 |
}
|
|
|
7558 |
case 3 :
|
|
|
7559 |
{
|
|
|
7560 |
if (iLen > 3)
|
|
|
7561 |
{
|
|
|
7562 |
iObjectid = mng_get_uint16 (pTemp);
|
|
|
7563 |
iIndex = *(pTemp+2);
|
|
|
7564 |
pTemp += 3;
|
|
|
7565 |
iLen -= 3;
|
|
|
7566 |
}
|
|
|
7567 |
else
|
|
|
7568 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7569 |
break;
|
|
|
7570 |
}
|
|
|
7571 |
case 4 :
|
|
|
7572 |
{
|
|
|
7573 |
if (iLen > 18)
|
|
|
7574 |
{
|
|
|
7575 |
iLeft = mng_get_int32 (pTemp);
|
|
|
7576 |
iRight = mng_get_int32 (pTemp+4);
|
|
|
7577 |
iTop = mng_get_int32 (pTemp+8);
|
|
|
7578 |
iBottom = mng_get_int32 (pTemp+12);
|
|
|
7579 |
iObjectid = mng_get_uint16 (pTemp+16);
|
|
|
7580 |
pTemp += 18;
|
|
|
7581 |
iLen -= 18;
|
|
|
7582 |
}
|
|
|
7583 |
else
|
|
|
7584 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7585 |
break;
|
|
|
7586 |
}
|
|
|
7587 |
case 5 :
|
|
|
7588 |
{
|
|
|
7589 |
if (iLen > 19)
|
|
|
7590 |
{
|
|
|
7591 |
iLeft = mng_get_int32 (pTemp);
|
|
|
7592 |
iRight = mng_get_int32 (pTemp+4);
|
|
|
7593 |
iTop = mng_get_int32 (pTemp+8);
|
|
|
7594 |
iBottom = mng_get_int32 (pTemp+12);
|
|
|
7595 |
iObjectid = mng_get_uint16 (pTemp+16);
|
|
|
7596 |
iIndex = *(pTemp+18);
|
|
|
7597 |
pTemp += 19;
|
|
|
7598 |
iLen -= 19;
|
|
|
7599 |
}
|
|
|
7600 |
else
|
|
|
7601 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7602 |
break;
|
|
|
7603 |
}
|
|
|
7604 |
}
|
|
|
7605 |
|
|
|
7606 |
pNull = find_null (pTemp); /* get the name length */
|
|
|
7607 |
|
|
|
7608 |
if ((pNull - pTemp) > (mng_int32)iLen)
|
|
|
7609 |
{
|
|
|
7610 |
iNamesize = iLen; /* no null found; so end of evNT */
|
|
|
7611 |
iLen = 0;
|
|
|
7612 |
}
|
|
|
7613 |
else
|
|
|
7614 |
{
|
|
|
7615 |
iNamesize = pNull - pTemp; /* should be another entry */
|
|
|
7616 |
iLen = iLen - iNamesize - 1;
|
|
|
7617 |
|
|
|
7618 |
if (!iLen) /* must not end with a null ! */
|
|
|
7619 |
MNG_ERROR (pData, MNG_ENDWITHNULL);
|
|
|
7620 |
}
|
|
|
7621 |
|
|
|
7622 |
iRetcode = mng_create_event (pData, iEventtype, iMasktype, iLeft, iRight,
|
|
|
7623 |
iTop, iBottom, iObjectid, iIndex,
|
|
|
7624 |
iNamesize, (mng_pchar)pTemp);
|
|
|
7625 |
|
|
|
7626 |
if (iRetcode) /* on error bail out */
|
|
|
7627 |
return iRetcode;
|
|
|
7628 |
|
|
|
7629 |
pTemp = pTemp + iNamesize + 1;
|
|
|
7630 |
}
|
|
|
7631 |
}
|
|
|
7632 |
}
|
|
|
7633 |
#endif /* MNG_SUPPORT_DISPLAY && MNG_SUPPORT_DYNAMICMNG */
|
|
|
7634 |
|
|
|
7635 |
#ifdef MNG_STORE_CHUNKS
|
|
|
7636 |
if (pData->bStorechunks)
|
|
|
7637 |
{ /* initialize storage */
|
|
|
7638 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
7639 |
|
|
|
7640 |
if (iRetcode) /* on error bail out */
|
|
|
7641 |
return iRetcode;
|
|
|
7642 |
|
|
|
7643 |
if (iRawlen) /* not empty ? */
|
|
|
7644 |
{
|
|
|
7645 |
mng_uint32 iX;
|
|
|
7646 |
mng_uint32 iCount = 0;
|
|
|
7647 |
mng_uint8p pTemp;
|
|
|
7648 |
mng_uint8p pNull;
|
|
|
7649 |
mng_uint32 iLen;
|
|
|
7650 |
mng_uint8 iEventtype;
|
|
|
7651 |
mng_uint8 iMasktype;
|
|
|
7652 |
mng_int32 iLeft;
|
|
|
7653 |
mng_int32 iRight;
|
|
|
7654 |
mng_int32 iTop;
|
|
|
7655 |
mng_int32 iBottom;
|
|
|
7656 |
mng_uint16 iObjectid;
|
|
|
7657 |
mng_uint8 iIndex;
|
|
|
7658 |
mng_uint32 iNamesize;
|
|
|
7659 |
mng_evnt_entryp pEntry = MNG_NULL;
|
|
|
7660 |
|
|
|
7661 |
for (iX = 0; iX < 2; iX++) /* do this twice to get the count first ! */
|
|
|
7662 |
{
|
|
|
7663 |
pTemp = pRawdata;
|
|
|
7664 |
iLen = iRawlen;
|
|
|
7665 |
|
|
|
7666 |
if (iX) /* second run ? */
|
|
|
7667 |
{
|
|
|
7668 |
MNG_ALLOC (pData, pEntry, (iCount * sizeof (mng_evnt_entry)));
|
|
|
7669 |
|
|
|
7670 |
((mng_evntp)*ppChunk)->iCount = iCount;
|
|
|
7671 |
((mng_evntp)*ppChunk)->pEntries = pEntry;
|
|
|
7672 |
}
|
|
|
7673 |
|
|
|
7674 |
while (iLen) /* anything left ? */
|
|
|
7675 |
{
|
|
|
7676 |
iEventtype = *pTemp; /* eventtype */
|
|
|
7677 |
if (iEventtype > 5)
|
|
|
7678 |
MNG_ERROR (pData, MNG_INVALIDEVENT);
|
|
|
7679 |
|
|
|
7680 |
pTemp++;
|
|
|
7681 |
|
|
|
7682 |
iMasktype = *pTemp; /* masktype */
|
|
|
7683 |
if (iMasktype > 5)
|
|
|
7684 |
MNG_ERROR (pData, MNG_INVALIDMASK);
|
|
|
7685 |
|
|
|
7686 |
pTemp++;
|
|
|
7687 |
iLen -= 2;
|
|
|
7688 |
|
|
|
7689 |
iLeft = 0;
|
|
|
7690 |
iRight = 0;
|
|
|
7691 |
iTop = 0;
|
|
|
7692 |
iBottom = 0;
|
|
|
7693 |
iObjectid = 0;
|
|
|
7694 |
iIndex = 0;
|
|
|
7695 |
|
|
|
7696 |
switch (iMasktype)
|
|
|
7697 |
{
|
|
|
7698 |
case 1 :
|
|
|
7699 |
{
|
|
|
7700 |
if (iLen > 16)
|
|
|
7701 |
{
|
|
|
7702 |
iLeft = mng_get_int32 (pTemp);
|
|
|
7703 |
iRight = mng_get_int32 (pTemp+4);
|
|
|
7704 |
iTop = mng_get_int32 (pTemp+8);
|
|
|
7705 |
iBottom = mng_get_int32 (pTemp+12);
|
|
|
7706 |
pTemp += 16;
|
|
|
7707 |
iLen -= 16;
|
|
|
7708 |
}
|
|
|
7709 |
else
|
|
|
7710 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7711 |
break;
|
|
|
7712 |
}
|
|
|
7713 |
case 2 :
|
|
|
7714 |
{
|
|
|
7715 |
if (iLen > 2)
|
|
|
7716 |
{
|
|
|
7717 |
iObjectid = mng_get_uint16 (pTemp);
|
|
|
7718 |
pTemp += 2;
|
|
|
7719 |
iLen -= 2;
|
|
|
7720 |
}
|
|
|
7721 |
else
|
|
|
7722 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7723 |
break;
|
|
|
7724 |
}
|
|
|
7725 |
case 3 :
|
|
|
7726 |
{
|
|
|
7727 |
if (iLen > 3)
|
|
|
7728 |
{
|
|
|
7729 |
iObjectid = mng_get_uint16 (pTemp);
|
|
|
7730 |
iIndex = *(pTemp+2);
|
|
|
7731 |
pTemp += 3;
|
|
|
7732 |
iLen -= 3;
|
|
|
7733 |
}
|
|
|
7734 |
else
|
|
|
7735 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7736 |
break;
|
|
|
7737 |
}
|
|
|
7738 |
case 4 :
|
|
|
7739 |
{
|
|
|
7740 |
if (iLen > 18)
|
|
|
7741 |
{
|
|
|
7742 |
iLeft = mng_get_int32 (pTemp);
|
|
|
7743 |
iRight = mng_get_int32 (pTemp+4);
|
|
|
7744 |
iTop = mng_get_int32 (pTemp+8);
|
|
|
7745 |
iBottom = mng_get_int32 (pTemp+12);
|
|
|
7746 |
iObjectid = mng_get_uint16 (pTemp+16);
|
|
|
7747 |
pTemp += 18;
|
|
|
7748 |
iLen -= 18;
|
|
|
7749 |
}
|
|
|
7750 |
else
|
|
|
7751 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7752 |
break;
|
|
|
7753 |
}
|
|
|
7754 |
case 5 :
|
|
|
7755 |
{
|
|
|
7756 |
if (iLen > 19)
|
|
|
7757 |
{
|
|
|
7758 |
iLeft = mng_get_int32 (pTemp);
|
|
|
7759 |
iRight = mng_get_int32 (pTemp+4);
|
|
|
7760 |
iTop = mng_get_int32 (pTemp+8);
|
|
|
7761 |
iBottom = mng_get_int32 (pTemp+12);
|
|
|
7762 |
iObjectid = mng_get_uint16 (pTemp+16);
|
|
|
7763 |
iIndex = *(pTemp+18);
|
|
|
7764 |
pTemp += 19;
|
|
|
7765 |
iLen -= 19;
|
|
|
7766 |
}
|
|
|
7767 |
else
|
|
|
7768 |
MNG_ERROR (pData, MNG_INVALIDLENGTH);
|
|
|
7769 |
break;
|
|
|
7770 |
}
|
|
|
7771 |
}
|
|
|
7772 |
|
|
|
7773 |
pNull = find_null (pTemp); /* get the name length */
|
|
|
7774 |
|
|
|
7775 |
if ((pNull - pTemp) > (mng_int32)iLen)
|
|
|
7776 |
{
|
|
|
7777 |
iNamesize = iLen; /* no null found; so end of evNT */
|
|
|
7778 |
iLen = 0;
|
|
|
7779 |
}
|
|
|
7780 |
else
|
|
|
7781 |
{
|
|
|
7782 |
iNamesize = pNull - pTemp; /* should be another entry */
|
|
|
7783 |
iLen = iLen - iNamesize - 1;
|
|
|
7784 |
|
|
|
7785 |
if (!iLen) /* must not end with a null ! */
|
|
|
7786 |
MNG_ERROR (pData, MNG_ENDWITHNULL);
|
|
|
7787 |
}
|
|
|
7788 |
|
|
|
7789 |
if (!iX)
|
|
|
7790 |
{
|
|
|
7791 |
iCount++;
|
|
|
7792 |
}
|
|
|
7793 |
else
|
|
|
7794 |
{
|
|
|
7795 |
pEntry->iEventtype = iEventtype;
|
|
|
7796 |
pEntry->iMasktype = iMasktype;
|
|
|
7797 |
pEntry->iLeft = iLeft;
|
|
|
7798 |
pEntry->iRight = iRight;
|
|
|
7799 |
pEntry->iTop = iTop;
|
|
|
7800 |
pEntry->iBottom = iBottom;
|
|
|
7801 |
pEntry->iObjectid = iObjectid;
|
|
|
7802 |
pEntry->iIndex = iIndex;
|
|
|
7803 |
pEntry->iSegmentnamesize = iNamesize;
|
|
|
7804 |
|
|
|
7805 |
if (iNamesize)
|
|
|
7806 |
{
|
|
|
7807 |
MNG_ALLOC (pData, pEntry->zSegmentname, iNamesize+1);
|
|
|
7808 |
MNG_COPY (pEntry->zSegmentname, pTemp, iNamesize);
|
|
|
7809 |
}
|
|
|
7810 |
|
|
|
7811 |
pEntry++;
|
|
|
7812 |
}
|
|
|
7813 |
|
|
|
7814 |
pTemp = pTemp + iNamesize + 1;
|
|
|
7815 |
}
|
|
|
7816 |
}
|
|
|
7817 |
}
|
|
|
7818 |
}
|
|
|
7819 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
7820 |
|
|
|
7821 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7822 |
MNG_TRACE (pData, MNG_FN_READ_EVNT, MNG_LC_END);
|
|
|
7823 |
#endif
|
|
|
7824 |
|
|
|
7825 |
return MNG_NOERROR; /* done */
|
|
|
7826 |
}
|
|
|
7827 |
#endif
|
|
|
7828 |
#endif
|
|
|
7829 |
|
|
|
7830 |
/* ************************************************************************** */
|
|
|
7831 |
|
|
|
7832 |
#ifndef MNG_OPTIMIZE_CHUNKREADER
|
|
|
7833 |
READ_CHUNK (mng_read_unknown)
|
|
|
7834 |
{
|
|
|
7835 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7836 |
MNG_TRACE (pData, MNG_FN_READ_UNKNOWN, MNG_LC_START);
|
|
|
7837 |
#endif
|
|
|
7838 |
/* sequence checks */
|
|
|
7839 |
#ifdef MNG_INCLUDE_JNG
|
|
|
7840 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
7841 |
(!pData->bHasBASI) && (!pData->bHasDHDR) && (!pData->bHasJHDR))
|
|
|
7842 |
#else
|
|
|
7843 |
if ((!pData->bHasMHDR) && (!pData->bHasIHDR) &&
|
|
|
7844 |
(!pData->bHasBASI) && (!pData->bHasDHDR) )
|
|
|
7845 |
#endif
|
|
|
7846 |
MNG_ERROR (pData, MNG_SEQUENCEERROR);
|
|
|
7847 |
/* critical chunk ? */
|
|
|
7848 |
if ((((mng_uint32)pData->iChunkname & 0x20000000) == 0)
|
|
|
7849 |
#ifdef MNG_SKIPCHUNK_SAVE
|
|
|
7850 |
&& (pData->iChunkname != MNG_UINT_SAVE)
|
|
|
7851 |
#endif
|
|
|
7852 |
#ifdef MNG_SKIPCHUNK_SEEK
|
|
|
7853 |
&& (pData->iChunkname != MNG_UINT_SEEK)
|
|
|
7854 |
#endif
|
|
|
7855 |
#ifdef MNG_SKIPCHUNK_DBYK
|
|
|
7856 |
&& (pData->iChunkname != MNG_UINT_DBYK)
|
|
|
7857 |
#endif
|
|
|
7858 |
#ifdef MNG_SKIPCHUNK_ORDR
|
|
|
7859 |
&& (pData->iChunkname != MNG_UINT_ORDR)
|
|
|
7860 |
#endif
|
|
|
7861 |
)
|
|
|
7862 |
MNG_ERROR (pData, MNG_UNKNOWNCRITICAL);
|
|
|
7863 |
|
|
|
7864 |
if (pData->fProcessunknown) /* let the app handle it ? */
|
|
|
7865 |
{
|
|
|
7866 |
mng_bool bOke = pData->fProcessunknown ((mng_handle)pData, pData->iChunkname,
|
|
|
7867 |
iRawlen, (mng_ptr)pRawdata);
|
|
|
7868 |
|
|
|
7869 |
if (!bOke)
|
|
|
7870 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
7871 |
}
|
|
|
7872 |
|
|
|
7873 |
#ifdef MNG_STORE_CHUNKS
|
|
|
7874 |
if (pData->bStorechunks)
|
|
|
7875 |
{ /* initialize storage */
|
|
|
7876 |
mng_retcode iRetcode = ((mng_chunk_headerp)pHeader)->fCreate (pData, pHeader, ppChunk);
|
|
|
7877 |
|
|
|
7878 |
if (iRetcode) /* on error bail out */
|
|
|
7879 |
return iRetcode;
|
|
|
7880 |
/* store the length */
|
|
|
7881 |
((mng_chunk_headerp)*ppChunk)->iChunkname = pData->iChunkname;
|
|
|
7882 |
((mng_unknown_chunkp)*ppChunk)->iDatasize = iRawlen;
|
|
|
7883 |
|
|
|
7884 |
if (iRawlen == 0) /* any data at all ? */
|
|
|
7885 |
((mng_unknown_chunkp)*ppChunk)->pData = 0;
|
|
|
7886 |
else
|
|
|
7887 |
{ /* then store it */
|
|
|
7888 |
MNG_ALLOC (pData, ((mng_unknown_chunkp)*ppChunk)->pData, iRawlen);
|
|
|
7889 |
MNG_COPY (((mng_unknown_chunkp)*ppChunk)->pData, pRawdata, iRawlen);
|
|
|
7890 |
}
|
|
|
7891 |
}
|
|
|
7892 |
#endif /* MNG_STORE_CHUNKS */
|
|
|
7893 |
|
|
|
7894 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7895 |
MNG_TRACE (pData, MNG_FN_READ_UNKNOWN, MNG_LC_END);
|
|
|
7896 |
#endif
|
|
|
7897 |
|
|
|
7898 |
return MNG_NOERROR; /* done */
|
|
|
7899 |
}
|
|
|
7900 |
#endif
|
|
|
7901 |
|
|
|
7902 |
/* ************************************************************************** */
|
|
|
7903 |
|
|
|
7904 |
#endif /* MNG_INCLUDE_READ_PROCS */
|
|
|
7905 |
|
|
|
7906 |
/* ************************************************************************** */
|
|
|
7907 |
/* * * */
|
|
|
7908 |
/* * chunk write functions * */
|
|
|
7909 |
/* * * */
|
|
|
7910 |
/* ************************************************************************** */
|
|
|
7911 |
|
|
|
7912 |
#ifdef MNG_INCLUDE_WRITE_PROCS
|
|
|
7913 |
|
|
|
7914 |
/* ************************************************************************** */
|
|
|
7915 |
|
|
|
7916 |
WRITE_CHUNK (mng_write_ihdr)
|
|
|
7917 |
{
|
|
|
7918 |
mng_ihdrp pIHDR;
|
|
|
7919 |
mng_uint8p pRawdata;
|
|
|
7920 |
mng_uint32 iRawlen;
|
|
|
7921 |
mng_retcode iRetcode;
|
|
|
7922 |
|
|
|
7923 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7924 |
MNG_TRACE (pData, MNG_FN_WRITE_IHDR, MNG_LC_START);
|
|
|
7925 |
#endif
|
|
|
7926 |
|
|
|
7927 |
pIHDR = (mng_ihdrp)pChunk; /* address the proper chunk */
|
|
|
7928 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
7929 |
iRawlen = 13;
|
|
|
7930 |
/* fill the output buffer */
|
|
|
7931 |
mng_put_uint32 (pRawdata, pIHDR->iWidth);
|
|
|
7932 |
mng_put_uint32 (pRawdata+4, pIHDR->iHeight);
|
|
|
7933 |
|
|
|
7934 |
*(pRawdata+8) = pIHDR->iBitdepth;
|
|
|
7935 |
*(pRawdata+9) = pIHDR->iColortype;
|
|
|
7936 |
*(pRawdata+10) = pIHDR->iCompression;
|
|
|
7937 |
*(pRawdata+11) = pIHDR->iFilter;
|
|
|
7938 |
*(pRawdata+12) = pIHDR->iInterlace;
|
|
|
7939 |
/* and write it */
|
|
|
7940 |
iRetcode = write_raw_chunk (pData, pIHDR->sHeader.iChunkname, iRawlen, pRawdata);
|
|
|
7941 |
|
|
|
7942 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7943 |
MNG_TRACE (pData, MNG_FN_WRITE_IHDR, MNG_LC_END);
|
|
|
7944 |
#endif
|
|
|
7945 |
|
|
|
7946 |
return iRetcode;
|
|
|
7947 |
}
|
|
|
7948 |
|
|
|
7949 |
/* ************************************************************************** */
|
|
|
7950 |
|
|
|
7951 |
WRITE_CHUNK (mng_write_plte)
|
|
|
7952 |
{
|
|
|
7953 |
mng_pltep pPLTE;
|
|
|
7954 |
mng_uint8p pRawdata;
|
|
|
7955 |
mng_uint32 iRawlen;
|
|
|
7956 |
mng_retcode iRetcode;
|
|
|
7957 |
mng_uint8p pTemp;
|
|
|
7958 |
mng_uint32 iX;
|
|
|
7959 |
|
|
|
7960 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7961 |
MNG_TRACE (pData, MNG_FN_WRITE_PLTE, MNG_LC_START);
|
|
|
7962 |
#endif
|
|
|
7963 |
|
|
|
7964 |
pPLTE = (mng_pltep)pChunk; /* address the proper chunk */
|
|
|
7965 |
|
|
|
7966 |
if (pPLTE->bEmpty) /* write empty chunk ? */
|
|
|
7967 |
iRetcode = write_raw_chunk (pData, pPLTE->sHeader.iChunkname, 0, 0);
|
|
|
7968 |
else
|
|
|
7969 |
{
|
|
|
7970 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
7971 |
iRawlen = pPLTE->iEntrycount * 3;
|
|
|
7972 |
/* fill the output buffer */
|
|
|
7973 |
pTemp = pRawdata;
|
|
|
7974 |
|
|
|
7975 |
for (iX = 0; iX < pPLTE->iEntrycount; iX++)
|
|
|
7976 |
{
|
|
|
7977 |
*pTemp = pPLTE->aEntries [iX].iRed;
|
|
|
7978 |
*(pTemp+1) = pPLTE->aEntries [iX].iGreen;
|
|
|
7979 |
*(pTemp+2) = pPLTE->aEntries [iX].iBlue;
|
|
|
7980 |
|
|
|
7981 |
pTemp += 3;
|
|
|
7982 |
}
|
|
|
7983 |
/* and write it */
|
|
|
7984 |
iRetcode = write_raw_chunk (pData, pPLTE->sHeader.iChunkname, iRawlen, pRawdata);
|
|
|
7985 |
}
|
|
|
7986 |
|
|
|
7987 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7988 |
MNG_TRACE (pData, MNG_FN_WRITE_PLTE, MNG_LC_END);
|
|
|
7989 |
#endif
|
|
|
7990 |
|
|
|
7991 |
return iRetcode;
|
|
|
7992 |
}
|
|
|
7993 |
|
|
|
7994 |
/* ************************************************************************** */
|
|
|
7995 |
|
|
|
7996 |
WRITE_CHUNK (mng_write_idat)
|
|
|
7997 |
{
|
|
|
7998 |
mng_idatp pIDAT;
|
|
|
7999 |
mng_retcode iRetcode;
|
|
|
8000 |
|
|
|
8001 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8002 |
MNG_TRACE (pData, MNG_FN_WRITE_IDAT, MNG_LC_START);
|
|
|
8003 |
#endif
|
|
|
8004 |
|
|
|
8005 |
pIDAT = (mng_idatp)pChunk; /* address the proper chunk */
|
|
|
8006 |
|
|
|
8007 |
if (pIDAT->bEmpty) /* and write it */
|
|
|
8008 |
iRetcode = write_raw_chunk (pData, pIDAT->sHeader.iChunkname, 0, 0);
|
|
|
8009 |
else
|
|
|
8010 |
iRetcode = write_raw_chunk (pData, pIDAT->sHeader.iChunkname,
|
|
|
8011 |
pIDAT->iDatasize, pIDAT->pData);
|
|
|
8012 |
|
|
|
8013 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8014 |
MNG_TRACE (pData, MNG_FN_WRITE_IDAT, MNG_LC_END);
|
|
|
8015 |
#endif
|
|
|
8016 |
|
|
|
8017 |
return iRetcode;
|
|
|
8018 |
}
|
|
|
8019 |
|
|
|
8020 |
/* ************************************************************************** */
|
|
|
8021 |
|
|
|
8022 |
WRITE_CHUNK (mng_write_iend)
|
|
|
8023 |
{
|
|
|
8024 |
mng_iendp pIEND;
|
|
|
8025 |
mng_retcode iRetcode;
|
|
|
8026 |
|
|
|
8027 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8028 |
MNG_TRACE (pData, MNG_FN_WRITE_IEND, MNG_LC_START);
|
|
|
8029 |
#endif
|
|
|
8030 |
|
|
|
8031 |
pIEND = (mng_iendp)pChunk; /* address the proper chunk */
|
|
|
8032 |
/* and write it */
|
|
|
8033 |
iRetcode = write_raw_chunk (pData, pIEND->sHeader.iChunkname, 0, 0);
|
|
|
8034 |
|
|
|
8035 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8036 |
MNG_TRACE (pData, MNG_FN_WRITE_IEND, MNG_LC_END);
|
|
|
8037 |
#endif
|
|
|
8038 |
|
|
|
8039 |
return iRetcode;
|
|
|
8040 |
}
|
|
|
8041 |
|
|
|
8042 |
/* ************************************************************************** */
|
|
|
8043 |
|
|
|
8044 |
WRITE_CHUNK (mng_write_trns)
|
|
|
8045 |
{
|
|
|
8046 |
mng_trnsp pTRNS;
|
|
|
8047 |
mng_uint8p pRawdata;
|
|
|
8048 |
mng_uint32 iRawlen;
|
|
|
8049 |
mng_retcode iRetcode;
|
|
|
8050 |
mng_uint8p pTemp;
|
|
|
8051 |
mng_uint32 iX;
|
|
|
8052 |
|
|
|
8053 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8054 |
MNG_TRACE (pData, MNG_FN_WRITE_TRNS, MNG_LC_START);
|
|
|
8055 |
#endif
|
|
|
8056 |
|
|
|
8057 |
pTRNS = (mng_trnsp)pChunk; /* address the proper chunk */
|
|
|
8058 |
|
|
|
8059 |
if (pTRNS->bEmpty) /* write empty chunk ? */
|
|
|
8060 |
iRetcode = write_raw_chunk (pData, pTRNS->sHeader.iChunkname, 0, 0);
|
|
|
8061 |
else
|
|
|
8062 |
if (pTRNS->bGlobal) /* write global chunk ? */
|
|
|
8063 |
iRetcode = write_raw_chunk (pData, pTRNS->sHeader.iChunkname,
|
|
|
8064 |
pTRNS->iRawlen, (mng_uint8p)pTRNS->aRawdata);
|
|
|
8065 |
else
|
|
|
8066 |
{
|
|
|
8067 |
pRawdata = pData->pWritebuf+8; /* init output buffer */
|
|
|
8068 |
iRawlen = 0; /* and default size */
|
|
|
8069 |
|
|
|
8070 |
switch (pTRNS->iType)
|
|
|
8071 |
{
|
|
|
8072 |
case 0: {
|
|
|
8073 |
iRawlen = 2; /* fill the size & output buffer */
|
|
|
8074 |
mng_put_uint16 (pRawdata, pTRNS->iGray);
|
|
|
8075 |
|
|
|
8076 |
break;
|
|
|
8077 |
}
|
|
|
8078 |
case 2: {
|
|
|
8079 |
iRawlen = 6; /* fill the size & output buffer */
|
|
|
8080 |
mng_put_uint16 (pRawdata, pTRNS->iRed);
|
|
|
8081 |
mng_put_uint16 (pRawdata+2, pTRNS->iGreen);
|
|
|
8082 |
mng_put_uint16 (pRawdata+4, pTRNS->iBlue);
|
|
|
8083 |
|
|
|
8084 |
break;
|
|
|
8085 |
}
|
|
|
8086 |
case 3: { /* init output buffer size */
|
|
|
8087 |
iRawlen = pTRNS->iCount;
|
|
|
8088 |
|
|
|
8089 |
pTemp = pRawdata; /* fill the output buffer */
|
|
|
8090 |
|
|
|
8091 |
for (iX = 0; iX < pTRNS->iCount; iX++)
|
|
|
8092 |
{
|
|
|
8093 |
*pTemp = pTRNS->aEntries[iX];
|
|
|
8094 |
pTemp++;
|
|
|
8095 |
}
|
|
|
8096 |
|
|
|
8097 |
break;
|
|
|
8098 |
}
|
|
|
8099 |
}
|
|
|
8100 |
/* write the chunk */
|
|
|
8101 |
iRetcode = write_raw_chunk (pData, pTRNS->sHeader.iChunkname,
|
|
|
8102 |
iRawlen, pRawdata);
|
|
|
8103 |
}
|
|
|
8104 |
|
|
|
8105 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8106 |
MNG_TRACE (pData, MNG_FN_WRITE_TRNS, MNG_LC_END);
|
|
|
8107 |
#endif
|
|
|
8108 |
|
|
|
8109 |
return iRetcode;
|
|
|
8110 |
}
|
|
|
8111 |
|
|
|
8112 |
/* ************************************************************************** */
|
|
|
8113 |
|
|
|
8114 |
WRITE_CHUNK (mng_write_gama)
|
|
|
8115 |
{
|
|
|
8116 |
mng_gamap pGAMA;
|
|
|
8117 |
mng_uint8p pRawdata;
|
|
|
8118 |
mng_uint32 iRawlen;
|
|
|
8119 |
mng_retcode iRetcode;
|
|
|
8120 |
|
|
|
8121 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8122 |
MNG_TRACE (pData, MNG_FN_WRITE_GAMA, MNG_LC_START);
|
|
|
8123 |
#endif
|
|
|
8124 |
|
|
|
8125 |
pGAMA = (mng_gamap)pChunk; /* address the proper chunk */
|
|
|
8126 |
|
|
|
8127 |
if (pGAMA->bEmpty) /* write empty ? */
|
|
|
8128 |
iRetcode = write_raw_chunk (pData, pGAMA->sHeader.iChunkname, 0, 0);
|
|
|
8129 |
else
|
|
|
8130 |
{
|
|
|
8131 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8132 |
iRawlen = 4;
|
|
|
8133 |
/* fill the buffer */
|
|
|
8134 |
mng_put_uint32 (pRawdata, pGAMA->iGamma);
|
|
|
8135 |
/* and write it */
|
|
|
8136 |
iRetcode = write_raw_chunk (pData, pGAMA->sHeader.iChunkname,
|
|
|
8137 |
iRawlen, pRawdata);
|
|
|
8138 |
}
|
|
|
8139 |
|
|
|
8140 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8141 |
MNG_TRACE (pData, MNG_FN_WRITE_GAMA, MNG_LC_END);
|
|
|
8142 |
#endif
|
|
|
8143 |
|
|
|
8144 |
return iRetcode;
|
|
|
8145 |
}
|
|
|
8146 |
|
|
|
8147 |
/* ************************************************************************** */
|
|
|
8148 |
|
|
|
8149 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
|
8150 |
WRITE_CHUNK (mng_write_chrm)
|
|
|
8151 |
{
|
|
|
8152 |
mng_chrmp pCHRM;
|
|
|
8153 |
mng_uint8p pRawdata;
|
|
|
8154 |
mng_uint32 iRawlen;
|
|
|
8155 |
mng_retcode iRetcode;
|
|
|
8156 |
|
|
|
8157 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8158 |
MNG_TRACE (pData, MNG_FN_WRITE_CHRM, MNG_LC_START);
|
|
|
8159 |
#endif
|
|
|
8160 |
|
|
|
8161 |
pCHRM = (mng_chrmp)pChunk; /* address the proper chunk */
|
|
|
8162 |
|
|
|
8163 |
if (pCHRM->bEmpty) /* write empty ? */
|
|
|
8164 |
iRetcode = write_raw_chunk (pData, pCHRM->sHeader.iChunkname, 0, 0);
|
|
|
8165 |
else
|
|
|
8166 |
{
|
|
|
8167 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8168 |
iRawlen = 32;
|
|
|
8169 |
/* fill the buffer */
|
|
|
8170 |
mng_put_uint32 (pRawdata, pCHRM->iWhitepointx);
|
|
|
8171 |
mng_put_uint32 (pRawdata+4, pCHRM->iWhitepointy);
|
|
|
8172 |
mng_put_uint32 (pRawdata+8, pCHRM->iRedx);
|
|
|
8173 |
mng_put_uint32 (pRawdata+12, pCHRM->iRedy);
|
|
|
8174 |
mng_put_uint32 (pRawdata+16, pCHRM->iGreenx);
|
|
|
8175 |
mng_put_uint32 (pRawdata+20, pCHRM->iGreeny);
|
|
|
8176 |
mng_put_uint32 (pRawdata+24, pCHRM->iBluex);
|
|
|
8177 |
mng_put_uint32 (pRawdata+28, pCHRM->iBluey);
|
|
|
8178 |
/* and write it */
|
|
|
8179 |
iRetcode = write_raw_chunk (pData, pCHRM->sHeader.iChunkname,
|
|
|
8180 |
iRawlen, pRawdata);
|
|
|
8181 |
}
|
|
|
8182 |
|
|
|
8183 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8184 |
MNG_TRACE (pData, MNG_FN_WRITE_CHRM, MNG_LC_END);
|
|
|
8185 |
#endif
|
|
|
8186 |
|
|
|
8187 |
return iRetcode;
|
|
|
8188 |
}
|
|
|
8189 |
#endif
|
|
|
8190 |
|
|
|
8191 |
/* ************************************************************************** */
|
|
|
8192 |
|
|
|
8193 |
WRITE_CHUNK (mng_write_srgb)
|
|
|
8194 |
{
|
|
|
8195 |
mng_srgbp pSRGB;
|
|
|
8196 |
mng_uint8p pRawdata;
|
|
|
8197 |
mng_uint32 iRawlen;
|
|
|
8198 |
mng_retcode iRetcode;
|
|
|
8199 |
|
|
|
8200 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8201 |
MNG_TRACE (pData, MNG_FN_WRITE_SRGB, MNG_LC_START);
|
|
|
8202 |
#endif
|
|
|
8203 |
|
|
|
8204 |
pSRGB = (mng_srgbp)pChunk; /* address the proper chunk */
|
|
|
8205 |
|
|
|
8206 |
if (pSRGB->bEmpty) /* write empty ? */
|
|
|
8207 |
iRetcode = write_raw_chunk (pData, pSRGB->sHeader.iChunkname, 0, 0);
|
|
|
8208 |
else
|
|
|
8209 |
{
|
|
|
8210 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8211 |
iRawlen = 1;
|
|
|
8212 |
/* fill the buffer */
|
|
|
8213 |
*pRawdata = pSRGB->iRenderingintent;
|
|
|
8214 |
/* and write it */
|
|
|
8215 |
iRetcode = write_raw_chunk (pData, pSRGB->sHeader.iChunkname,
|
|
|
8216 |
iRawlen, pRawdata);
|
|
|
8217 |
}
|
|
|
8218 |
|
|
|
8219 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8220 |
MNG_TRACE (pData, MNG_FN_WRITE_SRGB, MNG_LC_END);
|
|
|
8221 |
#endif
|
|
|
8222 |
|
|
|
8223 |
return iRetcode;
|
|
|
8224 |
}
|
|
|
8225 |
|
|
|
8226 |
/* ************************************************************************** */
|
|
|
8227 |
|
|
|
8228 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
|
8229 |
WRITE_CHUNK (mng_write_iccp)
|
|
|
8230 |
{
|
|
|
8231 |
mng_iccpp pICCP;
|
|
|
8232 |
mng_uint8p pRawdata;
|
|
|
8233 |
mng_uint32 iRawlen;
|
|
|
8234 |
mng_retcode iRetcode;
|
|
|
8235 |
mng_uint8p pTemp;
|
|
|
8236 |
mng_uint8p pBuf = 0;
|
|
|
8237 |
mng_uint32 iBuflen;
|
|
|
8238 |
mng_uint32 iReallen;
|
|
|
8239 |
|
|
|
8240 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8241 |
MNG_TRACE (pData, MNG_FN_WRITE_ICCP, MNG_LC_START);
|
|
|
8242 |
#endif
|
|
|
8243 |
|
|
|
8244 |
pICCP = (mng_iccpp)pChunk; /* address the proper chunk */
|
|
|
8245 |
|
|
|
8246 |
if (pICCP->bEmpty) /* write empty ? */
|
|
|
8247 |
iRetcode = write_raw_chunk (pData, pICCP->sHeader.iChunkname, 0, 0);
|
|
|
8248 |
else
|
|
|
8249 |
{ /* compress the profile */
|
|
|
8250 |
iRetcode = deflate_buffer (pData, pICCP->pProfile, pICCP->iProfilesize,
|
|
|
8251 |
&pBuf, &iBuflen, &iReallen);
|
|
|
8252 |
|
|
|
8253 |
if (!iRetcode) /* still oke ? */
|
|
|
8254 |
{
|
|
|
8255 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8256 |
iRawlen = pICCP->iNamesize + 2 + iReallen;
|
|
|
8257 |
/* requires large buffer ? */
|
|
|
8258 |
if (iRawlen > pData->iWritebufsize)
|
|
|
8259 |
MNG_ALLOC (pData, pRawdata, iRawlen);
|
|
|
8260 |
|
|
|
8261 |
pTemp = pRawdata; /* fill the buffer */
|
|
|
8262 |
|
|
|
8263 |
if (pICCP->iNamesize)
|
|
|
8264 |
{
|
|
|
8265 |
MNG_COPY (pTemp, pICCP->zName, pICCP->iNamesize);
|
|
|
8266 |
pTemp += pICCP->iNamesize;
|
|
|
8267 |
}
|
|
|
8268 |
|
|
|
8269 |
*pTemp = 0;
|
|
|
8270 |
*(pTemp+1) = pICCP->iCompression;
|
|
|
8271 |
pTemp += 2;
|
|
|
8272 |
|
|
|
8273 |
if (iReallen)
|
|
|
8274 |
MNG_COPY (pTemp, pBuf, iReallen);
|
|
|
8275 |
/* and write it */
|
|
|
8276 |
iRetcode = write_raw_chunk (pData, pICCP->sHeader.iChunkname,
|
|
|
8277 |
iRawlen, pRawdata);
|
|
|
8278 |
/* drop the temp buffer ? */
|
|
|
8279 |
if (iRawlen > pData->iWritebufsize)
|
|
|
8280 |
MNG_FREEX (pData, pRawdata, iRawlen);
|
|
|
8281 |
|
|
|
8282 |
}
|
|
|
8283 |
|
|
|
8284 |
MNG_FREEX (pData, pBuf, iBuflen); /* always drop the extra buffer */
|
|
|
8285 |
}
|
|
|
8286 |
|
|
|
8287 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8288 |
MNG_TRACE (pData, MNG_FN_WRITE_ICCP, MNG_LC_END);
|
|
|
8289 |
#endif
|
|
|
8290 |
|
|
|
8291 |
return iRetcode;
|
|
|
8292 |
}
|
|
|
8293 |
#endif
|
|
|
8294 |
|
|
|
8295 |
/* ************************************************************************** */
|
|
|
8296 |
|
|
|
8297 |
#ifndef MNG_SKIPCHUNK_tEXt
|
|
|
8298 |
WRITE_CHUNK (mng_write_text)
|
|
|
8299 |
{
|
|
|
8300 |
mng_textp pTEXT;
|
|
|
8301 |
mng_uint8p pRawdata;
|
|
|
8302 |
mng_uint32 iRawlen;
|
|
|
8303 |
mng_retcode iRetcode;
|
|
|
8304 |
mng_uint8p pTemp;
|
|
|
8305 |
|
|
|
8306 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8307 |
MNG_TRACE (pData, MNG_FN_WRITE_TEXT, MNG_LC_START);
|
|
|
8308 |
#endif
|
|
|
8309 |
|
|
|
8310 |
pTEXT = (mng_textp)pChunk; /* address the proper chunk */
|
|
|
8311 |
|
|
|
8312 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8313 |
iRawlen = pTEXT->iKeywordsize + 1 + pTEXT->iTextsize;
|
|
|
8314 |
/* requires large buffer ? */
|
|
|
8315 |
if (iRawlen > pData->iWritebufsize)
|
|
|
8316 |
MNG_ALLOC (pData, pRawdata, iRawlen);
|
|
|
8317 |
|
|
|
8318 |
pTemp = pRawdata; /* fill the buffer */
|
|
|
8319 |
|
|
|
8320 |
if (pTEXT->iKeywordsize)
|
|
|
8321 |
{
|
|
|
8322 |
MNG_COPY (pTemp, pTEXT->zKeyword, pTEXT->iKeywordsize);
|
|
|
8323 |
pTemp += pTEXT->iKeywordsize;
|
|
|
8324 |
}
|
|
|
8325 |
|
|
|
8326 |
*pTemp = 0;
|
|
|
8327 |
pTemp += 1;
|
|
|
8328 |
|
|
|
8329 |
if (pTEXT->iTextsize)
|
|
|
8330 |
MNG_COPY (pTemp, pTEXT->zText, pTEXT->iTextsize);
|
|
|
8331 |
/* and write it */
|
|
|
8332 |
iRetcode = write_raw_chunk (pData, pTEXT->sHeader.iChunkname,
|
|
|
8333 |
iRawlen, pRawdata);
|
|
|
8334 |
|
|
|
8335 |
if (iRawlen > pData->iWritebufsize) /* drop the temp buffer ? */
|
|
|
8336 |
MNG_FREEX (pData, pRawdata, iRawlen);
|
|
|
8337 |
|
|
|
8338 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8339 |
MNG_TRACE (pData, MNG_FN_WRITE_TEXT, MNG_LC_END);
|
|
|
8340 |
#endif
|
|
|
8341 |
|
|
|
8342 |
return iRetcode;
|
|
|
8343 |
}
|
|
|
8344 |
#endif
|
|
|
8345 |
|
|
|
8346 |
/* ************************************************************************** */
|
|
|
8347 |
|
|
|
8348 |
#ifndef MNG_SKIPCHUNK_zTXt
|
|
|
8349 |
WRITE_CHUNK (mng_write_ztxt)
|
|
|
8350 |
{
|
|
|
8351 |
mng_ztxtp pZTXT;
|
|
|
8352 |
mng_uint8p pRawdata;
|
|
|
8353 |
mng_uint32 iRawlen;
|
|
|
8354 |
mng_retcode iRetcode;
|
|
|
8355 |
mng_uint8p pTemp;
|
|
|
8356 |
mng_uint8p pBuf = 0;
|
|
|
8357 |
mng_uint32 iBuflen;
|
|
|
8358 |
mng_uint32 iReallen;
|
|
|
8359 |
|
|
|
8360 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8361 |
MNG_TRACE (pData, MNG_FN_WRITE_ZTXT, MNG_LC_START);
|
|
|
8362 |
#endif
|
|
|
8363 |
|
|
|
8364 |
pZTXT = (mng_ztxtp)pChunk; /* address the proper chunk */
|
|
|
8365 |
/* compress the text */
|
|
|
8366 |
iRetcode = deflate_buffer (pData, (mng_uint8p)pZTXT->zText, pZTXT->iTextsize,
|
|
|
8367 |
&pBuf, &iBuflen, &iReallen);
|
|
|
8368 |
|
|
|
8369 |
if (!iRetcode) /* all ok ? */
|
|
|
8370 |
{
|
|
|
8371 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8372 |
iRawlen = pZTXT->iKeywordsize + 2 + iReallen;
|
|
|
8373 |
/* requires large buffer ? */
|
|
|
8374 |
if (iRawlen > pData->iWritebufsize)
|
|
|
8375 |
MNG_ALLOC (pData, pRawdata, iRawlen);
|
|
|
8376 |
|
|
|
8377 |
pTemp = pRawdata; /* fill the buffer */
|
|
|
8378 |
|
|
|
8379 |
if (pZTXT->iKeywordsize)
|
|
|
8380 |
{
|
|
|
8381 |
MNG_COPY (pTemp, pZTXT->zKeyword, pZTXT->iKeywordsize);
|
|
|
8382 |
pTemp += pZTXT->iKeywordsize;
|
|
|
8383 |
}
|
|
|
8384 |
|
|
|
8385 |
*pTemp = 0; /* terminator zero */
|
|
|
8386 |
pTemp++;
|
|
|
8387 |
*pTemp = 0; /* compression type */
|
|
|
8388 |
pTemp++;
|
|
|
8389 |
|
|
|
8390 |
if (iReallen)
|
|
|
8391 |
MNG_COPY (pTemp, pBuf, iReallen);
|
|
|
8392 |
/* and write it */
|
|
|
8393 |
iRetcode = write_raw_chunk (pData, pZTXT->sHeader.iChunkname,
|
|
|
8394 |
iRawlen, pRawdata);
|
|
|
8395 |
/* drop the temp buffer ? */
|
|
|
8396 |
if (iRawlen > pData->iWritebufsize)
|
|
|
8397 |
MNG_FREEX (pData, pRawdata, iRawlen);
|
|
|
8398 |
|
|
|
8399 |
}
|
|
|
8400 |
|
|
|
8401 |
MNG_FREEX (pData, pBuf, iBuflen); /* always drop the compression buffer */
|
|
|
8402 |
|
|
|
8403 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8404 |
MNG_TRACE (pData, MNG_FN_WRITE_ZTXT, MNG_LC_END);
|
|
|
8405 |
#endif
|
|
|
8406 |
|
|
|
8407 |
return iRetcode;
|
|
|
8408 |
}
|
|
|
8409 |
#endif
|
|
|
8410 |
|
|
|
8411 |
/* ************************************************************************** */
|
|
|
8412 |
|
|
|
8413 |
#ifndef MNG_SKIPCHUNK_iTXt
|
|
|
8414 |
WRITE_CHUNK (mng_write_itxt)
|
|
|
8415 |
{
|
|
|
8416 |
mng_itxtp pITXT;
|
|
|
8417 |
mng_uint8p pRawdata;
|
|
|
8418 |
mng_uint32 iRawlen;
|
|
|
8419 |
mng_retcode iRetcode;
|
|
|
8420 |
mng_uint8p pTemp;
|
|
|
8421 |
mng_uint8p pBuf = 0;
|
|
|
8422 |
mng_uint32 iBuflen;
|
|
|
8423 |
mng_uint32 iReallen;
|
|
|
8424 |
|
|
|
8425 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8426 |
MNG_TRACE (pData, MNG_FN_WRITE_ITXT, MNG_LC_START);
|
|
|
8427 |
#endif
|
|
|
8428 |
|
|
|
8429 |
pITXT = (mng_itxtp)pChunk; /* address the proper chunk */
|
|
|
8430 |
|
|
|
8431 |
if (pITXT->iCompressionflag) /* compress the text */
|
|
|
8432 |
iRetcode = deflate_buffer (pData, (mng_uint8p)pITXT->zText, pITXT->iTextsize,
|
|
|
8433 |
&pBuf, &iBuflen, &iReallen);
|
|
|
8434 |
else
|
|
|
8435 |
iRetcode = MNG_NOERROR;
|
|
|
8436 |
|
|
|
8437 |
if (!iRetcode) /* all ok ? */
|
|
|
8438 |
{
|
|
|
8439 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8440 |
iRawlen = pITXT->iKeywordsize + pITXT->iLanguagesize +
|
|
|
8441 |
pITXT->iTranslationsize + 5;
|
|
|
8442 |
|
|
|
8443 |
if (pITXT->iCompressionflag)
|
|
|
8444 |
iRawlen = iRawlen + iReallen;
|
|
|
8445 |
else
|
|
|
8446 |
iRawlen = iRawlen + pITXT->iTextsize;
|
|
|
8447 |
/* requires large buffer ? */
|
|
|
8448 |
if (iRawlen > pData->iWritebufsize)
|
|
|
8449 |
MNG_ALLOC (pData, pRawdata, iRawlen);
|
|
|
8450 |
|
|
|
8451 |
pTemp = pRawdata; /* fill the buffer */
|
|
|
8452 |
|
|
|
8453 |
if (pITXT->iKeywordsize)
|
|
|
8454 |
{
|
|
|
8455 |
MNG_COPY (pTemp, pITXT->zKeyword, pITXT->iKeywordsize);
|
|
|
8456 |
pTemp += pITXT->iKeywordsize;
|
|
|
8457 |
}
|
|
|
8458 |
|
|
|
8459 |
*pTemp = 0;
|
|
|
8460 |
pTemp++;
|
|
|
8461 |
*pTemp = pITXT->iCompressionflag;
|
|
|
8462 |
pTemp++;
|
|
|
8463 |
*pTemp = pITXT->iCompressionmethod;
|
|
|
8464 |
pTemp++;
|
|
|
8465 |
|
|
|
8466 |
if (pITXT->iLanguagesize)
|
|
|
8467 |
{
|
|
|
8468 |
MNG_COPY (pTemp, pITXT->zLanguage, pITXT->iLanguagesize);
|
|
|
8469 |
pTemp += pITXT->iLanguagesize;
|
|
|
8470 |
}
|
|
|
8471 |
|
|
|
8472 |
*pTemp = 0;
|
|
|
8473 |
pTemp++;
|
|
|
8474 |
|
|
|
8475 |
if (pITXT->iTranslationsize)
|
|
|
8476 |
{
|
|
|
8477 |
MNG_COPY (pTemp, pITXT->zTranslation, pITXT->iTranslationsize);
|
|
|
8478 |
pTemp += pITXT->iTranslationsize;
|
|
|
8479 |
}
|
|
|
8480 |
|
|
|
8481 |
*pTemp = 0;
|
|
|
8482 |
pTemp++;
|
|
|
8483 |
|
|
|
8484 |
if (pITXT->iCompressionflag)
|
|
|
8485 |
{
|
|
|
8486 |
if (iReallen)
|
|
|
8487 |
MNG_COPY (pTemp, pBuf, iReallen);
|
|
|
8488 |
}
|
|
|
8489 |
else
|
|
|
8490 |
{
|
|
|
8491 |
if (pITXT->iTextsize)
|
|
|
8492 |
MNG_COPY (pTemp, pITXT->zText, pITXT->iTextsize);
|
|
|
8493 |
}
|
|
|
8494 |
/* and write it */
|
|
|
8495 |
iRetcode = write_raw_chunk (pData, pITXT->sHeader.iChunkname,
|
|
|
8496 |
iRawlen, pRawdata);
|
|
|
8497 |
/* drop the temp buffer ? */
|
|
|
8498 |
if (iRawlen > pData->iWritebufsize)
|
|
|
8499 |
MNG_FREEX (pData, pRawdata, iRawlen);
|
|
|
8500 |
|
|
|
8501 |
}
|
|
|
8502 |
|
|
|
8503 |
MNG_FREEX (pData, pBuf, iBuflen); /* always drop the compression buffer */
|
|
|
8504 |
|
|
|
8505 |
if (iRetcode) /* on error bail out */
|
|
|
8506 |
return iRetcode;
|
|
|
8507 |
|
|
|
8508 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8509 |
MNG_TRACE (pData, MNG_FN_WRITE_ITXT, MNG_LC_END);
|
|
|
8510 |
#endif
|
|
|
8511 |
|
|
|
8512 |
return MNG_NOERROR;
|
|
|
8513 |
}
|
|
|
8514 |
#endif
|
|
|
8515 |
|
|
|
8516 |
/* ************************************************************************** */
|
|
|
8517 |
|
|
|
8518 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
|
8519 |
WRITE_CHUNK (mng_write_bkgd)
|
|
|
8520 |
{
|
|
|
8521 |
mng_bkgdp pBKGD;
|
|
|
8522 |
mng_uint8p pRawdata;
|
|
|
8523 |
mng_uint32 iRawlen;
|
|
|
8524 |
mng_retcode iRetcode;
|
|
|
8525 |
|
|
|
8526 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8527 |
MNG_TRACE (pData, MNG_FN_WRITE_BKGD, MNG_LC_START);
|
|
|
8528 |
#endif
|
|
|
8529 |
|
|
|
8530 |
pBKGD = (mng_bkgdp)pChunk; /* address the proper chunk */
|
|
|
8531 |
|
|
|
8532 |
if (pBKGD->bEmpty) /* write empty ? */
|
|
|
8533 |
iRetcode = write_raw_chunk (pData, pBKGD->sHeader.iChunkname, 0, 0);
|
|
|
8534 |
else
|
|
|
8535 |
{
|
|
|
8536 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8537 |
iRawlen = 0; /* and default size */
|
|
|
8538 |
|
|
|
8539 |
switch (pBKGD->iType)
|
|
|
8540 |
{
|
|
|
8541 |
case 0: { /* gray */
|
|
|
8542 |
iRawlen = 2; /* fill the size & output buffer */
|
|
|
8543 |
mng_put_uint16 (pRawdata, pBKGD->iGray);
|
|
|
8544 |
|
|
|
8545 |
break;
|
|
|
8546 |
}
|
|
|
8547 |
case 2: { /* rgb */
|
|
|
8548 |
iRawlen = 6; /* fill the size & output buffer */
|
|
|
8549 |
mng_put_uint16 (pRawdata, pBKGD->iRed);
|
|
|
8550 |
mng_put_uint16 (pRawdata+2, pBKGD->iGreen);
|
|
|
8551 |
mng_put_uint16 (pRawdata+4, pBKGD->iBlue);
|
|
|
8552 |
|
|
|
8553 |
break;
|
|
|
8554 |
}
|
|
|
8555 |
case 3: { /* indexed */
|
|
|
8556 |
iRawlen = 1; /* fill the size & output buffer */
|
|
|
8557 |
*pRawdata = pBKGD->iIndex;
|
|
|
8558 |
|
|
|
8559 |
break;
|
|
|
8560 |
}
|
|
|
8561 |
}
|
|
|
8562 |
/* and write it */
|
|
|
8563 |
iRetcode = write_raw_chunk (pData, pBKGD->sHeader.iChunkname,
|
|
|
8564 |
iRawlen, pRawdata);
|
|
|
8565 |
}
|
|
|
8566 |
|
|
|
8567 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8568 |
MNG_TRACE (pData, MNG_FN_WRITE_BKGD, MNG_LC_END);
|
|
|
8569 |
#endif
|
|
|
8570 |
|
|
|
8571 |
return iRetcode;
|
|
|
8572 |
}
|
|
|
8573 |
#endif
|
|
|
8574 |
|
|
|
8575 |
/* ************************************************************************** */
|
|
|
8576 |
|
|
|
8577 |
#ifndef MNG_SKIPCHUNK_pHYs
|
|
|
8578 |
WRITE_CHUNK (mng_write_phys)
|
|
|
8579 |
{
|
|
|
8580 |
mng_physp pPHYS;
|
|
|
8581 |
mng_uint8p pRawdata;
|
|
|
8582 |
mng_uint32 iRawlen;
|
|
|
8583 |
mng_retcode iRetcode;
|
|
|
8584 |
|
|
|
8585 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8586 |
MNG_TRACE (pData, MNG_FN_WRITE_PHYS, MNG_LC_START);
|
|
|
8587 |
#endif
|
|
|
8588 |
|
|
|
8589 |
pPHYS = (mng_physp)pChunk; /* address the proper chunk */
|
|
|
8590 |
|
|
|
8591 |
if (pPHYS->bEmpty) /* write empty ? */
|
|
|
8592 |
iRetcode = write_raw_chunk (pData, pPHYS->sHeader.iChunkname, 0, 0);
|
|
|
8593 |
else
|
|
|
8594 |
{
|
|
|
8595 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8596 |
iRawlen = 9;
|
|
|
8597 |
/* fill the output buffer */
|
|
|
8598 |
mng_put_uint32 (pRawdata, pPHYS->iSizex);
|
|
|
8599 |
mng_put_uint32 (pRawdata+4, pPHYS->iSizey);
|
|
|
8600 |
|
|
|
8601 |
*(pRawdata+8) = pPHYS->iUnit;
|
|
|
8602 |
/* and write it */
|
|
|
8603 |
iRetcode = write_raw_chunk (pData, pPHYS->sHeader.iChunkname,
|
|
|
8604 |
iRawlen, pRawdata);
|
|
|
8605 |
}
|
|
|
8606 |
|
|
|
8607 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8608 |
MNG_TRACE (pData, MNG_FN_WRITE_PHYS, MNG_LC_END);
|
|
|
8609 |
#endif
|
|
|
8610 |
|
|
|
8611 |
return iRetcode;
|
|
|
8612 |
}
|
|
|
8613 |
#endif
|
|
|
8614 |
|
|
|
8615 |
/* ************************************************************************** */
|
|
|
8616 |
|
|
|
8617 |
#ifndef MNG_SKIPCHUNK_sBIT
|
|
|
8618 |
WRITE_CHUNK (mng_write_sbit)
|
|
|
8619 |
{
|
|
|
8620 |
mng_sbitp pSBIT;
|
|
|
8621 |
mng_uint8p pRawdata;
|
|
|
8622 |
mng_uint32 iRawlen;
|
|
|
8623 |
mng_retcode iRetcode;
|
|
|
8624 |
|
|
|
8625 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8626 |
MNG_TRACE (pData, MNG_FN_WRITE_SBIT, MNG_LC_START);
|
|
|
8627 |
#endif
|
|
|
8628 |
|
|
|
8629 |
pSBIT = (mng_sbitp)pChunk; /* address the proper chunk */
|
|
|
8630 |
|
|
|
8631 |
if (pSBIT->bEmpty) /* write empty ? */
|
|
|
8632 |
iRetcode = write_raw_chunk (pData, pSBIT->sHeader.iChunkname, 0, 0);
|
|
|
8633 |
else
|
|
|
8634 |
{
|
|
|
8635 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8636 |
iRawlen = 0; /* and default size */
|
|
|
8637 |
|
|
|
8638 |
switch (pSBIT->iType)
|
|
|
8639 |
{
|
|
|
8640 |
case 0: { /* gray */
|
|
|
8641 |
iRawlen = 1; /* fill the size & output buffer */
|
|
|
8642 |
*pRawdata = pSBIT->aBits[0];
|
|
|
8643 |
|
|
|
8644 |
break;
|
|
|
8645 |
}
|
|
|
8646 |
case 2: { /* rgb */
|
|
|
8647 |
iRawlen = 3; /* fill the size & output buffer */
|
|
|
8648 |
*pRawdata = pSBIT->aBits[0];
|
|
|
8649 |
*(pRawdata+1) = pSBIT->aBits[1];
|
|
|
8650 |
*(pRawdata+2) = pSBIT->aBits[2];
|
|
|
8651 |
|
|
|
8652 |
break;
|
|
|
8653 |
}
|
|
|
8654 |
case 3: { /* indexed */
|
|
|
8655 |
iRawlen = 3; /* fill the size & output buffer */
|
|
|
8656 |
*pRawdata = pSBIT->aBits[0];
|
|
|
8657 |
*pRawdata = pSBIT->aBits[1];
|
|
|
8658 |
*pRawdata = pSBIT->aBits[2];
|
|
|
8659 |
|
|
|
8660 |
break;
|
|
|
8661 |
}
|
|
|
8662 |
case 4: { /* gray + alpha */
|
|
|
8663 |
iRawlen = 2; /* fill the size & output buffer */
|
|
|
8664 |
*pRawdata = pSBIT->aBits[0];
|
|
|
8665 |
*(pRawdata+1) = pSBIT->aBits[1];
|
|
|
8666 |
|
|
|
8667 |
break;
|
|
|
8668 |
}
|
|
|
8669 |
case 6: { /* rgb + alpha */
|
|
|
8670 |
iRawlen = 4; /* fill the size & output buffer */
|
|
|
8671 |
*pRawdata = pSBIT->aBits[0];
|
|
|
8672 |
*(pRawdata+1) = pSBIT->aBits[1];
|
|
|
8673 |
*(pRawdata+2) = pSBIT->aBits[2];
|
|
|
8674 |
*(pRawdata+3) = pSBIT->aBits[3];
|
|
|
8675 |
|
|
|
8676 |
break;
|
|
|
8677 |
}
|
|
|
8678 |
case 10: { /* jpeg gray */
|
|
|
8679 |
iRawlen = 1; /* fill the size & output buffer */
|
|
|
8680 |
*pRawdata = pSBIT->aBits[0];
|
|
|
8681 |
|
|
|
8682 |
break;
|
|
|
8683 |
}
|
|
|
8684 |
case 12: { /* jpeg rgb */
|
|
|
8685 |
iRawlen = 3; /* fill the size & output buffer */
|
|
|
8686 |
*pRawdata = pSBIT->aBits[0];
|
|
|
8687 |
*(pRawdata+1) = pSBIT->aBits[1];
|
|
|
8688 |
*(pRawdata+2) = pSBIT->aBits[2];
|
|
|
8689 |
|
|
|
8690 |
break;
|
|
|
8691 |
}
|
|
|
8692 |
case 14: { /* jpeg gray + alpha */
|
|
|
8693 |
iRawlen = 2; /* fill the size & output buffer */
|
|
|
8694 |
*pRawdata = pSBIT->aBits[0];
|
|
|
8695 |
*(pRawdata+1) = pSBIT->aBits[1];
|
|
|
8696 |
|
|
|
8697 |
break;
|
|
|
8698 |
}
|
|
|
8699 |
case 16: { /* jpeg rgb + alpha */
|
|
|
8700 |
iRawlen = 4; /* fill the size & output buffer */
|
|
|
8701 |
*pRawdata = pSBIT->aBits[0];
|
|
|
8702 |
*(pRawdata+1) = pSBIT->aBits[1];
|
|
|
8703 |
*(pRawdata+2) = pSBIT->aBits[2];
|
|
|
8704 |
*(pRawdata+3) = pSBIT->aBits[3];
|
|
|
8705 |
|
|
|
8706 |
break;
|
|
|
8707 |
}
|
|
|
8708 |
}
|
|
|
8709 |
/* and write it */
|
|
|
8710 |
iRetcode = write_raw_chunk (pData, pSBIT->sHeader.iChunkname,
|
|
|
8711 |
iRawlen, pRawdata);
|
|
|
8712 |
}
|
|
|
8713 |
|
|
|
8714 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8715 |
MNG_TRACE (pData, MNG_FN_WRITE_SBIT, MNG_LC_END);
|
|
|
8716 |
#endif
|
|
|
8717 |
|
|
|
8718 |
return iRetcode;
|
|
|
8719 |
}
|
|
|
8720 |
#endif
|
|
|
8721 |
|
|
|
8722 |
/* ************************************************************************** */
|
|
|
8723 |
|
|
|
8724 |
#ifndef MNG_SKIPCHUNK_sPLT
|
|
|
8725 |
WRITE_CHUNK (mng_write_splt)
|
|
|
8726 |
{
|
|
|
8727 |
mng_spltp pSPLT;
|
|
|
8728 |
mng_uint8p pRawdata;
|
|
|
8729 |
mng_uint32 iRawlen;
|
|
|
8730 |
mng_retcode iRetcode;
|
|
|
8731 |
mng_uint32 iEntrieslen;
|
|
|
8732 |
mng_uint8p pTemp;
|
|
|
8733 |
|
|
|
8734 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8735 |
MNG_TRACE (pData, MNG_FN_WRITE_SPLT, MNG_LC_START);
|
|
|
8736 |
#endif
|
|
|
8737 |
|
|
|
8738 |
pSPLT = (mng_spltp)pChunk; /* address the proper chunk */
|
|
|
8739 |
|
|
|
8740 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8741 |
iEntrieslen = ((pSPLT->iSampledepth >> 3) * 4 + 2) * pSPLT->iEntrycount;
|
|
|
8742 |
iRawlen = pSPLT->iNamesize + 2 + iEntrieslen;
|
|
|
8743 |
/* requires large buffer ? */
|
|
|
8744 |
if (iRawlen > pData->iWritebufsize)
|
|
|
8745 |
MNG_ALLOC (pData, pRawdata, iRawlen);
|
|
|
8746 |
|
|
|
8747 |
pTemp = pRawdata; /* fill the buffer */
|
|
|
8748 |
|
|
|
8749 |
if (pSPLT->iNamesize)
|
|
|
8750 |
{
|
|
|
8751 |
MNG_COPY (pTemp, pSPLT->zName, pSPLT->iNamesize);
|
|
|
8752 |
pTemp += pSPLT->iNamesize;
|
|
|
8753 |
}
|
|
|
8754 |
|
|
|
8755 |
*pTemp = 0;
|
|
|
8756 |
*(pTemp+1) = pSPLT->iSampledepth;
|
|
|
8757 |
pTemp += 2;
|
|
|
8758 |
|
|
|
8759 |
if (pSPLT->iEntrycount)
|
|
|
8760 |
MNG_COPY (pTemp, pSPLT->pEntries, iEntrieslen);
|
|
|
8761 |
/* and write it */
|
|
|
8762 |
iRetcode = write_raw_chunk (pData, pSPLT->sHeader.iChunkname,
|
|
|
8763 |
iRawlen, pRawdata);
|
|
|
8764 |
|
|
|
8765 |
if (iRawlen > pData->iWritebufsize) /* drop the temp buffer ? */
|
|
|
8766 |
MNG_FREEX (pData, pRawdata, iRawlen);
|
|
|
8767 |
|
|
|
8768 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8769 |
MNG_TRACE (pData, MNG_FN_WRITE_SPLT, MNG_LC_END);
|
|
|
8770 |
#endif
|
|
|
8771 |
|
|
|
8772 |
return iRetcode;
|
|
|
8773 |
}
|
|
|
8774 |
#endif
|
|
|
8775 |
|
|
|
8776 |
/* ************************************************************************** */
|
|
|
8777 |
|
|
|
8778 |
#ifndef MNG_SKIPCHUNK_hIST
|
|
|
8779 |
WRITE_CHUNK (mng_write_hist)
|
|
|
8780 |
{
|
|
|
8781 |
mng_histp pHIST;
|
|
|
8782 |
mng_uint8p pRawdata;
|
|
|
8783 |
mng_uint32 iRawlen;
|
|
|
8784 |
mng_retcode iRetcode;
|
|
|
8785 |
mng_uint8p pTemp;
|
|
|
8786 |
mng_uint32 iX;
|
|
|
8787 |
|
|
|
8788 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8789 |
MNG_TRACE (pData, MNG_FN_WRITE_HIST, MNG_LC_START);
|
|
|
8790 |
#endif
|
|
|
8791 |
|
|
|
8792 |
pHIST = (mng_histp)pChunk; /* address the proper chunk */
|
|
|
8793 |
|
|
|
8794 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8795 |
iRawlen = pHIST->iEntrycount << 1;
|
|
|
8796 |
|
|
|
8797 |
pTemp = pRawdata; /* fill the output buffer */
|
|
|
8798 |
|
|
|
8799 |
for (iX = 0; iX < pHIST->iEntrycount; iX++)
|
|
|
8800 |
{
|
|
|
8801 |
mng_put_uint16 (pTemp, pHIST->aEntries [iX]);
|
|
|
8802 |
pTemp += 2;
|
|
|
8803 |
}
|
|
|
8804 |
/* and write it */
|
|
|
8805 |
iRetcode = write_raw_chunk (pData, pHIST->sHeader.iChunkname,
|
|
|
8806 |
iRawlen, pRawdata);
|
|
|
8807 |
|
|
|
8808 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8809 |
MNG_TRACE (pData, MNG_FN_WRITE_HIST, MNG_LC_END);
|
|
|
8810 |
#endif
|
|
|
8811 |
|
|
|
8812 |
return iRetcode;
|
|
|
8813 |
}
|
|
|
8814 |
#endif
|
|
|
8815 |
|
|
|
8816 |
/* ************************************************************************** */
|
|
|
8817 |
|
|
|
8818 |
#ifndef MNG_SKIPCHUNK_tIME
|
|
|
8819 |
WRITE_CHUNK (mng_write_time)
|
|
|
8820 |
{
|
|
|
8821 |
mng_timep pTIME;
|
|
|
8822 |
mng_uint8p pRawdata;
|
|
|
8823 |
mng_uint32 iRawlen;
|
|
|
8824 |
mng_retcode iRetcode;
|
|
|
8825 |
|
|
|
8826 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8827 |
MNG_TRACE (pData, MNG_FN_WRITE_TIME, MNG_LC_START);
|
|
|
8828 |
#endif
|
|
|
8829 |
|
|
|
8830 |
pTIME = (mng_timep)pChunk; /* address the proper chunk */
|
|
|
8831 |
|
|
|
8832 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8833 |
iRawlen = 7;
|
|
|
8834 |
/* fill the output buffer */
|
|
|
8835 |
mng_put_uint16 (pRawdata, pTIME->iYear);
|
|
|
8836 |
|
|
|
8837 |
*(pRawdata+2) = pTIME->iMonth;
|
|
|
8838 |
*(pRawdata+3) = pTIME->iDay;
|
|
|
8839 |
*(pRawdata+4) = pTIME->iHour;
|
|
|
8840 |
*(pRawdata+5) = pTIME->iMinute;
|
|
|
8841 |
*(pRawdata+6) = pTIME->iSecond;
|
|
|
8842 |
/* and write it */
|
|
|
8843 |
iRetcode = write_raw_chunk (pData, pTIME->sHeader.iChunkname,
|
|
|
8844 |
iRawlen, pRawdata);
|
|
|
8845 |
|
|
|
8846 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8847 |
MNG_TRACE (pData, MNG_FN_WRITE_TIME, MNG_LC_END);
|
|
|
8848 |
#endif
|
|
|
8849 |
|
|
|
8850 |
return iRetcode;
|
|
|
8851 |
}
|
|
|
8852 |
#endif
|
|
|
8853 |
|
|
|
8854 |
/* ************************************************************************** */
|
|
|
8855 |
|
|
|
8856 |
WRITE_CHUNK (mng_write_mhdr)
|
|
|
8857 |
{
|
|
|
8858 |
mng_mhdrp pMHDR;
|
|
|
8859 |
mng_uint8p pRawdata;
|
|
|
8860 |
mng_uint32 iRawlen;
|
|
|
8861 |
mng_retcode iRetcode;
|
|
|
8862 |
|
|
|
8863 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8864 |
MNG_TRACE (pData, MNG_FN_WRITE_MHDR, MNG_LC_START);
|
|
|
8865 |
#endif
|
|
|
8866 |
|
|
|
8867 |
pMHDR = (mng_mhdrp)pChunk; /* address the proper chunk */
|
|
|
8868 |
|
|
|
8869 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8870 |
iRawlen = 28;
|
|
|
8871 |
/* fill the output buffer */
|
|
|
8872 |
mng_put_uint32 (pRawdata, pMHDR->iWidth);
|
|
|
8873 |
mng_put_uint32 (pRawdata+4, pMHDR->iHeight);
|
|
|
8874 |
mng_put_uint32 (pRawdata+8, pMHDR->iTicks);
|
|
|
8875 |
mng_put_uint32 (pRawdata+12, pMHDR->iLayercount);
|
|
|
8876 |
mng_put_uint32 (pRawdata+16, pMHDR->iFramecount);
|
|
|
8877 |
mng_put_uint32 (pRawdata+20, pMHDR->iPlaytime);
|
|
|
8878 |
mng_put_uint32 (pRawdata+24, pMHDR->iSimplicity);
|
|
|
8879 |
|
|
|
8880 |
/* and write it */
|
|
|
8881 |
iRetcode = write_raw_chunk (pData, pMHDR->sHeader.iChunkname,
|
|
|
8882 |
iRawlen, pRawdata);
|
|
|
8883 |
|
|
|
8884 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8885 |
MNG_TRACE (pData, MNG_FN_WRITE_MHDR, MNG_LC_END);
|
|
|
8886 |
#endif
|
|
|
8887 |
|
|
|
8888 |
return iRetcode;
|
|
|
8889 |
}
|
|
|
8890 |
|
|
|
8891 |
/* ************************************************************************** */
|
|
|
8892 |
|
|
|
8893 |
WRITE_CHUNK (mng_write_mend)
|
|
|
8894 |
{
|
|
|
8895 |
mng_mendp pMEND;
|
|
|
8896 |
mng_retcode iRetcode;
|
|
|
8897 |
|
|
|
8898 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8899 |
MNG_TRACE (pData, MNG_FN_WRITE_MEND, MNG_LC_START);
|
|
|
8900 |
#endif
|
|
|
8901 |
|
|
|
8902 |
pMEND = (mng_mendp)pChunk; /* address the proper chunk */
|
|
|
8903 |
/* and write it */
|
|
|
8904 |
iRetcode = write_raw_chunk (pData, pMEND->sHeader.iChunkname, 0, 0);
|
|
|
8905 |
|
|
|
8906 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8907 |
MNG_TRACE (pData, MNG_FN_WRITE_MEND, MNG_LC_END);
|
|
|
8908 |
#endif
|
|
|
8909 |
|
|
|
8910 |
return iRetcode;
|
|
|
8911 |
}
|
|
|
8912 |
|
|
|
8913 |
/* ************************************************************************** */
|
|
|
8914 |
|
|
|
8915 |
WRITE_CHUNK (mng_write_loop)
|
|
|
8916 |
{
|
|
|
8917 |
mng_loopp pLOOP;
|
|
|
8918 |
mng_uint8p pRawdata;
|
|
|
8919 |
mng_uint32 iRawlen;
|
|
|
8920 |
mng_retcode iRetcode;
|
|
|
8921 |
#ifndef MNG_NO_LOOP_SIGNALS_SUPPORTED
|
|
|
8922 |
mng_uint8p pTemp1;
|
|
|
8923 |
mng_uint32p pTemp2;
|
|
|
8924 |
mng_uint32 iX;
|
|
|
8925 |
#endif
|
|
|
8926 |
|
|
|
8927 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8928 |
MNG_TRACE (pData, MNG_FN_WRITE_LOOP, MNG_LC_START);
|
|
|
8929 |
#endif
|
|
|
8930 |
|
|
|
8931 |
pLOOP = (mng_loopp)pChunk; /* address the proper chunk */
|
|
|
8932 |
|
|
|
8933 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8934 |
iRawlen = 5;
|
|
|
8935 |
/* fill the output buffer */
|
|
|
8936 |
*pRawdata = pLOOP->iLevel;
|
|
|
8937 |
mng_put_uint32 (pRawdata+1, pLOOP->iRepeat);
|
|
|
8938 |
|
|
|
8939 |
if (pLOOP->iTermination)
|
|
|
8940 |
{
|
|
|
8941 |
iRawlen++;
|
|
|
8942 |
*(pRawdata+5) = pLOOP->iTermination;
|
|
|
8943 |
|
|
|
8944 |
if ((pLOOP->iCount) ||
|
|
|
8945 |
(pLOOP->iItermin != 1) || (pLOOP->iItermax != 0x7FFFFFFFL))
|
|
|
8946 |
{
|
|
|
8947 |
iRawlen += 8;
|
|
|
8948 |
|
|
|
8949 |
mng_put_uint32 (pRawdata+6, pLOOP->iItermin);
|
|
|
8950 |
mng_put_uint32 (pRawdata+10, pLOOP->iItermax);
|
|
|
8951 |
|
|
|
8952 |
#ifndef MNG_NO_LOOP_SIGNALS_SUPPORTED
|
|
|
8953 |
if (pLOOP->iCount)
|
|
|
8954 |
{
|
|
|
8955 |
iRawlen += pLOOP->iCount * 4;
|
|
|
8956 |
|
|
|
8957 |
pTemp1 = pRawdata+14;
|
|
|
8958 |
pTemp2 = pLOOP->pSignals;
|
|
|
8959 |
|
|
|
8960 |
for (iX = 0; iX < pLOOP->iCount; iX++)
|
|
|
8961 |
{
|
|
|
8962 |
mng_put_uint32 (pTemp1, *pTemp2);
|
|
|
8963 |
|
|
|
8964 |
pTemp1 += 4;
|
|
|
8965 |
pTemp2++;
|
|
|
8966 |
}
|
|
|
8967 |
}
|
|
|
8968 |
#endif
|
|
|
8969 |
}
|
|
|
8970 |
}
|
|
|
8971 |
/* and write it */
|
|
|
8972 |
iRetcode = write_raw_chunk (pData, pLOOP->sHeader.iChunkname,
|
|
|
8973 |
iRawlen, pRawdata);
|
|
|
8974 |
|
|
|
8975 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8976 |
MNG_TRACE (pData, MNG_FN_WRITE_LOOP, MNG_LC_END);
|
|
|
8977 |
#endif
|
|
|
8978 |
|
|
|
8979 |
return iRetcode;
|
|
|
8980 |
}
|
|
|
8981 |
|
|
|
8982 |
/* ************************************************************************** */
|
|
|
8983 |
|
|
|
8984 |
WRITE_CHUNK (mng_write_endl)
|
|
|
8985 |
{
|
|
|
8986 |
mng_endlp pENDL;
|
|
|
8987 |
mng_uint8p pRawdata;
|
|
|
8988 |
mng_uint32 iRawlen;
|
|
|
8989 |
mng_retcode iRetcode;
|
|
|
8990 |
|
|
|
8991 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
8992 |
MNG_TRACE (pData, MNG_FN_WRITE_ENDL, MNG_LC_START);
|
|
|
8993 |
#endif
|
|
|
8994 |
|
|
|
8995 |
pENDL = (mng_endlp)pChunk; /* address the proper chunk */
|
|
|
8996 |
|
|
|
8997 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
8998 |
iRawlen = 1;
|
|
|
8999 |
|
|
|
9000 |
*pRawdata = pENDL->iLevel; /* fill the output buffer */
|
|
|
9001 |
/* and write it */
|
|
|
9002 |
iRetcode = write_raw_chunk (pData, pENDL->sHeader.iChunkname,
|
|
|
9003 |
iRawlen, pRawdata);
|
|
|
9004 |
|
|
|
9005 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9006 |
MNG_TRACE (pData, MNG_FN_WRITE_ENDL, MNG_LC_END);
|
|
|
9007 |
#endif
|
|
|
9008 |
|
|
|
9009 |
return iRetcode;
|
|
|
9010 |
}
|
|
|
9011 |
|
|
|
9012 |
/* ************************************************************************** */
|
|
|
9013 |
|
|
|
9014 |
WRITE_CHUNK (mng_write_defi)
|
|
|
9015 |
{
|
|
|
9016 |
mng_defip pDEFI;
|
|
|
9017 |
mng_uint8p pRawdata;
|
|
|
9018 |
mng_uint32 iRawlen;
|
|
|
9019 |
mng_retcode iRetcode;
|
|
|
9020 |
|
|
|
9021 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9022 |
MNG_TRACE (pData, MNG_FN_WRITE_DEFI, MNG_LC_START);
|
|
|
9023 |
#endif
|
|
|
9024 |
|
|
|
9025 |
pDEFI = (mng_defip)pChunk; /* address the proper chunk */
|
|
|
9026 |
|
|
|
9027 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9028 |
iRawlen = 2;
|
|
|
9029 |
/* fill the output buffer */
|
|
|
9030 |
mng_put_uint16 (pRawdata, pDEFI->iObjectid);
|
|
|
9031 |
|
|
|
9032 |
if ((pDEFI->iDonotshow) || (pDEFI->iConcrete) || (pDEFI->bHasloca) || (pDEFI->bHasclip))
|
|
|
9033 |
{
|
|
|
9034 |
iRawlen++;
|
|
|
9035 |
*(pRawdata+2) = pDEFI->iDonotshow;
|
|
|
9036 |
|
|
|
9037 |
if ((pDEFI->iConcrete) || (pDEFI->bHasloca) || (pDEFI->bHasclip))
|
|
|
9038 |
{
|
|
|
9039 |
iRawlen++;
|
|
|
9040 |
*(pRawdata+3) = pDEFI->iConcrete;
|
|
|
9041 |
|
|
|
9042 |
if ((pDEFI->bHasloca) || (pDEFI->bHasclip))
|
|
|
9043 |
{
|
|
|
9044 |
iRawlen += 8;
|
|
|
9045 |
|
|
|
9046 |
mng_put_uint32 (pRawdata+4, pDEFI->iXlocation);
|
|
|
9047 |
mng_put_uint32 (pRawdata+8, pDEFI->iYlocation);
|
|
|
9048 |
|
|
|
9049 |
if (pDEFI->bHasclip)
|
|
|
9050 |
{
|
|
|
9051 |
iRawlen += 16;
|
|
|
9052 |
|
|
|
9053 |
mng_put_uint32 (pRawdata+12, pDEFI->iLeftcb);
|
|
|
9054 |
mng_put_uint32 (pRawdata+16, pDEFI->iRightcb);
|
|
|
9055 |
mng_put_uint32 (pRawdata+20, pDEFI->iTopcb);
|
|
|
9056 |
mng_put_uint32 (pRawdata+24, pDEFI->iBottomcb);
|
|
|
9057 |
}
|
|
|
9058 |
}
|
|
|
9059 |
}
|
|
|
9060 |
}
|
|
|
9061 |
/* and write it */
|
|
|
9062 |
iRetcode = write_raw_chunk (pData, pDEFI->sHeader.iChunkname,
|
|
|
9063 |
iRawlen, pRawdata);
|
|
|
9064 |
|
|
|
9065 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9066 |
MNG_TRACE (pData, MNG_FN_WRITE_DEFI, MNG_LC_END);
|
|
|
9067 |
#endif
|
|
|
9068 |
|
|
|
9069 |
return iRetcode;
|
|
|
9070 |
}
|
|
|
9071 |
|
|
|
9072 |
/* ************************************************************************** */
|
|
|
9073 |
|
|
|
9074 |
WRITE_CHUNK (mng_write_basi)
|
|
|
9075 |
{
|
|
|
9076 |
mng_basip pBASI;
|
|
|
9077 |
mng_uint8p pRawdata;
|
|
|
9078 |
mng_uint32 iRawlen;
|
|
|
9079 |
mng_retcode iRetcode;
|
|
|
9080 |
mng_bool bOpaque;
|
|
|
9081 |
|
|
|
9082 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9083 |
MNG_TRACE (pData, MNG_FN_WRITE_BASI, MNG_LC_START);
|
|
|
9084 |
#endif
|
|
|
9085 |
|
|
|
9086 |
pBASI = (mng_basip)pChunk; /* address the proper chunk */
|
|
|
9087 |
|
|
|
9088 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
9089 |
if (pBASI->iBitdepth <= 8) /* determine opacity alpha-field */
|
|
|
9090 |
#endif
|
|
|
9091 |
bOpaque = (mng_bool)(pBASI->iAlpha == 0xFF);
|
|
|
9092 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
9093 |
else
|
|
|
9094 |
bOpaque = (mng_bool)(pBASI->iAlpha == 0xFFFF);
|
|
|
9095 |
#endif
|
|
|
9096 |
|
|
|
9097 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9098 |
iRawlen = 13;
|
|
|
9099 |
/* fill the output buffer */
|
|
|
9100 |
mng_put_uint32 (pRawdata, pBASI->iWidth);
|
|
|
9101 |
mng_put_uint32 (pRawdata+4, pBASI->iHeight);
|
|
|
9102 |
|
|
|
9103 |
*(pRawdata+8) = pBASI->iBitdepth;
|
|
|
9104 |
*(pRawdata+9) = pBASI->iColortype;
|
|
|
9105 |
*(pRawdata+10) = pBASI->iCompression;
|
|
|
9106 |
*(pRawdata+11) = pBASI->iFilter;
|
|
|
9107 |
*(pRawdata+12) = pBASI->iInterlace;
|
|
|
9108 |
|
|
|
9109 |
if ((pBASI->iRed) || (pBASI->iGreen) || (pBASI->iBlue) ||
|
|
|
9110 |
(!bOpaque) || (pBASI->iViewable))
|
|
|
9111 |
{
|
|
|
9112 |
iRawlen += 6;
|
|
|
9113 |
mng_put_uint16 (pRawdata+13, pBASI->iRed);
|
|
|
9114 |
mng_put_uint16 (pRawdata+15, pBASI->iGreen);
|
|
|
9115 |
mng_put_uint16 (pRawdata+17, pBASI->iBlue);
|
|
|
9116 |
|
|
|
9117 |
if ((!bOpaque) || (pBASI->iViewable))
|
|
|
9118 |
{
|
|
|
9119 |
iRawlen += 2;
|
|
|
9120 |
mng_put_uint16 (pRawdata+19, pBASI->iAlpha);
|
|
|
9121 |
|
|
|
9122 |
if (pBASI->iViewable)
|
|
|
9123 |
{
|
|
|
9124 |
iRawlen++;
|
|
|
9125 |
*(pRawdata+21) = pBASI->iViewable;
|
|
|
9126 |
}
|
|
|
9127 |
}
|
|
|
9128 |
}
|
|
|
9129 |
/* and write it */
|
|
|
9130 |
iRetcode = write_raw_chunk (pData, pBASI->sHeader.iChunkname,
|
|
|
9131 |
iRawlen, pRawdata);
|
|
|
9132 |
|
|
|
9133 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9134 |
MNG_TRACE (pData, MNG_FN_WRITE_BASI, MNG_LC_END);
|
|
|
9135 |
#endif
|
|
|
9136 |
|
|
|
9137 |
return iRetcode;
|
|
|
9138 |
}
|
|
|
9139 |
|
|
|
9140 |
/* ************************************************************************** */
|
|
|
9141 |
|
|
|
9142 |
WRITE_CHUNK (mng_write_clon)
|
|
|
9143 |
{
|
|
|
9144 |
mng_clonp pCLON;
|
|
|
9145 |
mng_uint8p pRawdata;
|
|
|
9146 |
mng_uint32 iRawlen;
|
|
|
9147 |
mng_retcode iRetcode;
|
|
|
9148 |
|
|
|
9149 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9150 |
MNG_TRACE (pData, MNG_FN_WRITE_CLON, MNG_LC_START);
|
|
|
9151 |
#endif
|
|
|
9152 |
|
|
|
9153 |
pCLON = (mng_clonp)pChunk; /* address the proper chunk */
|
|
|
9154 |
|
|
|
9155 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9156 |
iRawlen = 4;
|
|
|
9157 |
/* fill the output buffer */
|
|
|
9158 |
mng_put_uint16 (pRawdata, pCLON->iSourceid);
|
|
|
9159 |
mng_put_uint16 (pRawdata+2, pCLON->iCloneid);
|
|
|
9160 |
|
|
|
9161 |
if ((pCLON->iClonetype) || (pCLON->iDonotshow) || (pCLON->iConcrete) || (pCLON->bHasloca))
|
|
|
9162 |
{
|
|
|
9163 |
iRawlen++;
|
|
|
9164 |
*(pRawdata+4) = pCLON->iClonetype;
|
|
|
9165 |
|
|
|
9166 |
if ((pCLON->iDonotshow) || (pCLON->iConcrete) || (pCLON->bHasloca))
|
|
|
9167 |
{
|
|
|
9168 |
iRawlen++;
|
|
|
9169 |
*(pRawdata+5) = pCLON->iDonotshow;
|
|
|
9170 |
|
|
|
9171 |
if ((pCLON->iConcrete) || (pCLON->bHasloca))
|
|
|
9172 |
{
|
|
|
9173 |
iRawlen++;
|
|
|
9174 |
*(pRawdata+6) = pCLON->iConcrete;
|
|
|
9175 |
|
|
|
9176 |
if (pCLON->bHasloca)
|
|
|
9177 |
{
|
|
|
9178 |
iRawlen += 9;
|
|
|
9179 |
*(pRawdata+7) = pCLON->iLocationtype;
|
|
|
9180 |
mng_put_int32 (pRawdata+8, pCLON->iLocationx);
|
|
|
9181 |
mng_put_int32 (pRawdata+12, pCLON->iLocationy);
|
|
|
9182 |
}
|
|
|
9183 |
}
|
|
|
9184 |
}
|
|
|
9185 |
}
|
|
|
9186 |
/* and write it */
|
|
|
9187 |
iRetcode = write_raw_chunk (pData, pCLON->sHeader.iChunkname,
|
|
|
9188 |
iRawlen, pRawdata);
|
|
|
9189 |
|
|
|
9190 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9191 |
MNG_TRACE (pData, MNG_FN_WRITE_CLON, MNG_LC_END);
|
|
|
9192 |
#endif
|
|
|
9193 |
|
|
|
9194 |
return iRetcode;
|
|
|
9195 |
}
|
|
|
9196 |
|
|
|
9197 |
/* ************************************************************************** */
|
|
|
9198 |
|
|
|
9199 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
|
9200 |
WRITE_CHUNK (mng_write_past)
|
|
|
9201 |
{
|
|
|
9202 |
mng_pastp pPAST;
|
|
|
9203 |
mng_uint8p pRawdata;
|
|
|
9204 |
mng_uint32 iRawlen;
|
|
|
9205 |
mng_retcode iRetcode;
|
|
|
9206 |
mng_past_sourcep pSource;
|
|
|
9207 |
mng_uint32 iX;
|
|
|
9208 |
mng_uint8p pTemp;
|
|
|
9209 |
|
|
|
9210 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9211 |
MNG_TRACE (pData, MNG_FN_WRITE_PAST, MNG_LC_START);
|
|
|
9212 |
#endif
|
|
|
9213 |
|
|
|
9214 |
pPAST = (mng_pastp)pChunk; /* address the proper chunk */
|
|
|
9215 |
|
|
|
9216 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9217 |
iRawlen = 11 + (30 * pPAST->iCount);
|
|
|
9218 |
/* requires large buffer ? */
|
|
|
9219 |
if (iRawlen > pData->iWritebufsize)
|
|
|
9220 |
MNG_ALLOC (pData, pRawdata, iRawlen);
|
|
|
9221 |
/* fill the output buffer */
|
|
|
9222 |
mng_put_uint16 (pRawdata, pPAST->iDestid);
|
|
|
9223 |
|
|
|
9224 |
*(pRawdata+2) = pPAST->iTargettype;
|
|
|
9225 |
|
|
|
9226 |
mng_put_int32 (pRawdata+3, pPAST->iTargetx);
|
|
|
9227 |
mng_put_int32 (pRawdata+7, pPAST->iTargety);
|
|
|
9228 |
|
|
|
9229 |
pTemp = pRawdata+11;
|
|
|
9230 |
pSource = pPAST->pSources;
|
|
|
9231 |
|
|
|
9232 |
for (iX = 0; iX < pPAST->iCount; iX++)
|
|
|
9233 |
{
|
|
|
9234 |
mng_put_uint16 (pTemp, pSource->iSourceid);
|
|
|
9235 |
|
|
|
9236 |
*(pTemp+2) = pSource->iComposition;
|
|
|
9237 |
*(pTemp+3) = pSource->iOrientation;
|
|
|
9238 |
*(pTemp+4) = pSource->iOffsettype;
|
|
|
9239 |
|
|
|
9240 |
mng_put_int32 (pTemp+5, pSource->iOffsetx);
|
|
|
9241 |
mng_put_int32 (pTemp+9, pSource->iOffsety);
|
|
|
9242 |
|
|
|
9243 |
*(pTemp+13) = pSource->iBoundarytype;
|
|
|
9244 |
|
|
|
9245 |
mng_put_int32 (pTemp+14, pSource->iBoundaryl);
|
|
|
9246 |
mng_put_int32 (pTemp+18, pSource->iBoundaryr);
|
|
|
9247 |
mng_put_int32 (pTemp+22, pSource->iBoundaryt);
|
|
|
9248 |
mng_put_int32 (pTemp+26, pSource->iBoundaryb);
|
|
|
9249 |
|
|
|
9250 |
pSource++;
|
|
|
9251 |
pTemp += 30;
|
|
|
9252 |
}
|
|
|
9253 |
/* and write it */
|
|
|
9254 |
iRetcode = write_raw_chunk (pData, pPAST->sHeader.iChunkname,
|
|
|
9255 |
iRawlen, pRawdata);
|
|
|
9256 |
/* free temporary buffer ? */
|
|
|
9257 |
if (iRawlen > pData->iWritebufsize)
|
|
|
9258 |
MNG_FREEX (pData, pRawdata, iRawlen);
|
|
|
9259 |
|
|
|
9260 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9261 |
MNG_TRACE (pData, MNG_FN_WRITE_PAST, MNG_LC_END);
|
|
|
9262 |
#endif
|
|
|
9263 |
|
|
|
9264 |
return iRetcode;
|
|
|
9265 |
}
|
|
|
9266 |
#endif
|
|
|
9267 |
|
|
|
9268 |
/* ************************************************************************** */
|
|
|
9269 |
|
|
|
9270 |
WRITE_CHUNK (mng_write_disc)
|
|
|
9271 |
{
|
|
|
9272 |
mng_discp pDISC;
|
|
|
9273 |
mng_uint8p pRawdata;
|
|
|
9274 |
mng_uint32 iRawlen;
|
|
|
9275 |
mng_retcode iRetcode;
|
|
|
9276 |
mng_uint32 iX;
|
|
|
9277 |
mng_uint8p pTemp1;
|
|
|
9278 |
mng_uint16p pTemp2;
|
|
|
9279 |
|
|
|
9280 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9281 |
MNG_TRACE (pData, MNG_FN_WRITE_DISC, MNG_LC_START);
|
|
|
9282 |
#endif
|
|
|
9283 |
|
|
|
9284 |
pDISC = (mng_discp)pChunk; /* address the proper chunk */
|
|
|
9285 |
|
|
|
9286 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9287 |
iRawlen = pDISC->iCount << 1;
|
|
|
9288 |
|
|
|
9289 |
pTemp1 = pRawdata; /* fill the output buffer */
|
|
|
9290 |
pTemp2 = pDISC->pObjectids;
|
|
|
9291 |
|
|
|
9292 |
for (iX = 0; iX < pDISC->iCount; iX++)
|
|
|
9293 |
{
|
|
|
9294 |
mng_put_uint16 (pTemp1, *pTemp2);
|
|
|
9295 |
|
|
|
9296 |
pTemp2++;
|
|
|
9297 |
pTemp1 += 2;
|
|
|
9298 |
}
|
|
|
9299 |
/* and write it */
|
|
|
9300 |
iRetcode = write_raw_chunk (pData, pDISC->sHeader.iChunkname,
|
|
|
9301 |
iRawlen, pRawdata);
|
|
|
9302 |
|
|
|
9303 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9304 |
MNG_TRACE (pData, MNG_FN_WRITE_DISC, MNG_LC_END);
|
|
|
9305 |
#endif
|
|
|
9306 |
|
|
|
9307 |
return iRetcode;
|
|
|
9308 |
}
|
|
|
9309 |
|
|
|
9310 |
/* ************************************************************************** */
|
|
|
9311 |
|
|
|
9312 |
WRITE_CHUNK (mng_write_back)
|
|
|
9313 |
{
|
|
|
9314 |
mng_backp pBACK;
|
|
|
9315 |
mng_uint8p pRawdata;
|
|
|
9316 |
mng_uint32 iRawlen;
|
|
|
9317 |
mng_retcode iRetcode;
|
|
|
9318 |
|
|
|
9319 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9320 |
MNG_TRACE (pData, MNG_FN_WRITE_BACK, MNG_LC_START);
|
|
|
9321 |
#endif
|
|
|
9322 |
|
|
|
9323 |
pBACK = (mng_backp)pChunk; /* address the proper chunk */
|
|
|
9324 |
|
|
|
9325 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9326 |
iRawlen = 6;
|
|
|
9327 |
/* fill the output buffer */
|
|
|
9328 |
mng_put_uint16 (pRawdata, pBACK->iRed);
|
|
|
9329 |
mng_put_uint16 (pRawdata+2, pBACK->iGreen);
|
|
|
9330 |
mng_put_uint16 (pRawdata+4, pBACK->iBlue);
|
|
|
9331 |
|
|
|
9332 |
if ((pBACK->iMandatory) || (pBACK->iImageid) || (pBACK->iTile))
|
|
|
9333 |
{
|
|
|
9334 |
iRawlen++;
|
|
|
9335 |
*(pRawdata+6) = pBACK->iMandatory;
|
|
|
9336 |
|
|
|
9337 |
if ((pBACK->iImageid) || (pBACK->iTile))
|
|
|
9338 |
{
|
|
|
9339 |
iRawlen += 2;
|
|
|
9340 |
mng_put_uint16 (pRawdata+7, pBACK->iImageid);
|
|
|
9341 |
|
|
|
9342 |
if (pBACK->iTile)
|
|
|
9343 |
{
|
|
|
9344 |
iRawlen++;
|
|
|
9345 |
*(pRawdata+9) = pBACK->iTile;
|
|
|
9346 |
}
|
|
|
9347 |
}
|
|
|
9348 |
}
|
|
|
9349 |
/* and write it */
|
|
|
9350 |
iRetcode = write_raw_chunk (pData, pBACK->sHeader.iChunkname,
|
|
|
9351 |
iRawlen, pRawdata);
|
|
|
9352 |
|
|
|
9353 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9354 |
MNG_TRACE (pData, MNG_FN_WRITE_BACK, MNG_LC_END);
|
|
|
9355 |
#endif
|
|
|
9356 |
|
|
|
9357 |
return iRetcode;
|
|
|
9358 |
}
|
|
|
9359 |
|
|
|
9360 |
/* ************************************************************************** */
|
|
|
9361 |
|
|
|
9362 |
WRITE_CHUNK (mng_write_fram)
|
|
|
9363 |
{
|
|
|
9364 |
mng_framp pFRAM;
|
|
|
9365 |
mng_uint8p pRawdata;
|
|
|
9366 |
mng_uint32 iRawlen;
|
|
|
9367 |
mng_retcode iRetcode;
|
|
|
9368 |
mng_uint8p pTemp;
|
|
|
9369 |
mng_uint32p pTemp2;
|
|
|
9370 |
mng_uint32 iX;
|
|
|
9371 |
|
|
|
9372 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9373 |
MNG_TRACE (pData, MNG_FN_WRITE_FRAM, MNG_LC_START);
|
|
|
9374 |
#endif
|
|
|
9375 |
|
|
|
9376 |
pFRAM = (mng_framp)pChunk; /* address the proper chunk */
|
|
|
9377 |
|
|
|
9378 |
if (pFRAM->bEmpty) /* empty ? */
|
|
|
9379 |
iRetcode = write_raw_chunk (pData, pFRAM->sHeader.iChunkname, 0, 0);
|
|
|
9380 |
else
|
|
|
9381 |
{
|
|
|
9382 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9383 |
iRawlen = 1;
|
|
|
9384 |
/* fill the output buffer */
|
|
|
9385 |
*pRawdata = pFRAM->iMode;
|
|
|
9386 |
|
|
|
9387 |
if ((pFRAM->iNamesize ) ||
|
|
|
9388 |
(pFRAM->iChangedelay ) || (pFRAM->iChangetimeout) ||
|
|
|
9389 |
(pFRAM->iChangeclipping) || (pFRAM->iChangesyncid ) )
|
|
|
9390 |
{
|
|
|
9391 |
if (pFRAM->iNamesize)
|
|
|
9392 |
MNG_COPY (pRawdata+1, pFRAM->zName, pFRAM->iNamesize);
|
|
|
9393 |
|
|
|
9394 |
iRawlen += pFRAM->iNamesize;
|
|
|
9395 |
pTemp = pRawdata + pFRAM->iNamesize + 1;
|
|
|
9396 |
|
|
|
9397 |
if ((pFRAM->iChangedelay ) || (pFRAM->iChangetimeout) ||
|
|
|
9398 |
(pFRAM->iChangeclipping) || (pFRAM->iChangesyncid ) )
|
|
|
9399 |
{
|
|
|
9400 |
*pTemp = 0;
|
|
|
9401 |
*(pTemp+1) = pFRAM->iChangedelay;
|
|
|
9402 |
*(pTemp+2) = pFRAM->iChangetimeout;
|
|
|
9403 |
*(pTemp+3) = pFRAM->iChangeclipping;
|
|
|
9404 |
*(pTemp+4) = pFRAM->iChangesyncid;
|
|
|
9405 |
|
|
|
9406 |
iRawlen += 5;
|
|
|
9407 |
pTemp += 5;
|
|
|
9408 |
|
|
|
9409 |
if (pFRAM->iChangedelay)
|
|
|
9410 |
{
|
|
|
9411 |
mng_put_uint32 (pTemp, pFRAM->iDelay);
|
|
|
9412 |
iRawlen += 4;
|
|
|
9413 |
pTemp += 4;
|
|
|
9414 |
}
|
|
|
9415 |
|
|
|
9416 |
if (pFRAM->iChangetimeout)
|
|
|
9417 |
{
|
|
|
9418 |
mng_put_uint32 (pTemp, pFRAM->iTimeout);
|
|
|
9419 |
iRawlen += 4;
|
|
|
9420 |
pTemp += 4;
|
|
|
9421 |
}
|
|
|
9422 |
|
|
|
9423 |
if (pFRAM->iChangeclipping)
|
|
|
9424 |
{
|
|
|
9425 |
*pTemp = pFRAM->iBoundarytype;
|
|
|
9426 |
|
|
|
9427 |
mng_put_uint32 (pTemp+1, pFRAM->iBoundaryl);
|
|
|
9428 |
mng_put_uint32 (pTemp+5, pFRAM->iBoundaryr);
|
|
|
9429 |
mng_put_uint32 (pTemp+9, pFRAM->iBoundaryt);
|
|
|
9430 |
mng_put_uint32 (pTemp+13, pFRAM->iBoundaryb);
|
|
|
9431 |
|
|
|
9432 |
iRawlen += 17;
|
|
|
9433 |
pTemp += 17;
|
|
|
9434 |
}
|
|
|
9435 |
|
|
|
9436 |
if (pFRAM->iChangesyncid)
|
|
|
9437 |
{
|
|
|
9438 |
iRawlen += pFRAM->iCount * 4;
|
|
|
9439 |
pTemp2 = pFRAM->pSyncids;
|
|
|
9440 |
|
|
|
9441 |
for (iX = 0; iX < pFRAM->iCount; iX++)
|
|
|
9442 |
{
|
|
|
9443 |
mng_put_uint32 (pTemp, *pTemp2);
|
|
|
9444 |
|
|
|
9445 |
pTemp2++;
|
|
|
9446 |
pTemp += 4;
|
|
|
9447 |
}
|
|
|
9448 |
}
|
|
|
9449 |
}
|
|
|
9450 |
}
|
|
|
9451 |
/* and write it */
|
|
|
9452 |
iRetcode = write_raw_chunk (pData, pFRAM->sHeader.iChunkname,
|
|
|
9453 |
iRawlen, pRawdata);
|
|
|
9454 |
}
|
|
|
9455 |
|
|
|
9456 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9457 |
MNG_TRACE (pData, MNG_FN_WRITE_FRAM, MNG_LC_END);
|
|
|
9458 |
#endif
|
|
|
9459 |
|
|
|
9460 |
return iRetcode;
|
|
|
9461 |
}
|
|
|
9462 |
|
|
|
9463 |
/* ************************************************************************** */
|
|
|
9464 |
|
|
|
9465 |
WRITE_CHUNK (mng_write_move)
|
|
|
9466 |
{
|
|
|
9467 |
mng_movep pMOVE;
|
|
|
9468 |
mng_uint8p pRawdata;
|
|
|
9469 |
mng_uint32 iRawlen;
|
|
|
9470 |
mng_retcode iRetcode;
|
|
|
9471 |
|
|
|
9472 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9473 |
MNG_TRACE (pData, MNG_FN_WRITE_MOVE, MNG_LC_START);
|
|
|
9474 |
#endif
|
|
|
9475 |
|
|
|
9476 |
pMOVE = (mng_movep)pChunk; /* address the proper chunk */
|
|
|
9477 |
|
|
|
9478 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9479 |
iRawlen = 13;
|
|
|
9480 |
/* fill the output buffer */
|
|
|
9481 |
mng_put_uint16 (pRawdata, pMOVE->iFirstid);
|
|
|
9482 |
mng_put_uint16 (pRawdata+2, pMOVE->iLastid);
|
|
|
9483 |
|
|
|
9484 |
*(pRawdata+4) = pMOVE->iMovetype;
|
|
|
9485 |
|
|
|
9486 |
mng_put_int32 (pRawdata+5, pMOVE->iMovex);
|
|
|
9487 |
mng_put_int32 (pRawdata+9, pMOVE->iMovey);
|
|
|
9488 |
/* and write it */
|
|
|
9489 |
iRetcode = write_raw_chunk (pData, pMOVE->sHeader.iChunkname,
|
|
|
9490 |
iRawlen, pRawdata);
|
|
|
9491 |
|
|
|
9492 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9493 |
MNG_TRACE (pData, MNG_FN_WRITE_MOVE, MNG_LC_END);
|
|
|
9494 |
#endif
|
|
|
9495 |
|
|
|
9496 |
return iRetcode;
|
|
|
9497 |
}
|
|
|
9498 |
|
|
|
9499 |
/* ************************************************************************** */
|
|
|
9500 |
|
|
|
9501 |
WRITE_CHUNK (mng_write_clip)
|
|
|
9502 |
{
|
|
|
9503 |
mng_clipp pCLIP;
|
|
|
9504 |
mng_uint8p pRawdata;
|
|
|
9505 |
mng_uint32 iRawlen;
|
|
|
9506 |
mng_retcode iRetcode;
|
|
|
9507 |
|
|
|
9508 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9509 |
MNG_TRACE (pData, MNG_FN_WRITE_CLIP, MNG_LC_START);
|
|
|
9510 |
#endif
|
|
|
9511 |
|
|
|
9512 |
pCLIP = (mng_clipp)pChunk; /* address the proper chunk */
|
|
|
9513 |
|
|
|
9514 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9515 |
iRawlen = 21;
|
|
|
9516 |
/* fill the output buffer */
|
|
|
9517 |
mng_put_uint16 (pRawdata, pCLIP->iFirstid);
|
|
|
9518 |
mng_put_uint16 (pRawdata+2, pCLIP->iLastid);
|
|
|
9519 |
|
|
|
9520 |
*(pRawdata+4) = pCLIP->iCliptype;
|
|
|
9521 |
|
|
|
9522 |
mng_put_int32 (pRawdata+5, pCLIP->iClipl);
|
|
|
9523 |
mng_put_int32 (pRawdata+9, pCLIP->iClipr);
|
|
|
9524 |
mng_put_int32 (pRawdata+13, pCLIP->iClipt);
|
|
|
9525 |
mng_put_int32 (pRawdata+17, pCLIP->iClipb);
|
|
|
9526 |
/* and write it */
|
|
|
9527 |
iRetcode = write_raw_chunk (pData, pCLIP->sHeader.iChunkname,
|
|
|
9528 |
iRawlen, pRawdata);
|
|
|
9529 |
|
|
|
9530 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9531 |
MNG_TRACE (pData, MNG_FN_WRITE_CLIP, MNG_LC_END);
|
|
|
9532 |
#endif
|
|
|
9533 |
|
|
|
9534 |
return iRetcode;
|
|
|
9535 |
}
|
|
|
9536 |
|
|
|
9537 |
/* ************************************************************************** */
|
|
|
9538 |
|
|
|
9539 |
WRITE_CHUNK (mng_write_show)
|
|
|
9540 |
{
|
|
|
9541 |
mng_showp pSHOW;
|
|
|
9542 |
mng_uint8p pRawdata;
|
|
|
9543 |
mng_uint32 iRawlen;
|
|
|
9544 |
mng_retcode iRetcode;
|
|
|
9545 |
|
|
|
9546 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9547 |
MNG_TRACE (pData, MNG_FN_WRITE_SHOW, MNG_LC_START);
|
|
|
9548 |
#endif
|
|
|
9549 |
|
|
|
9550 |
pSHOW = (mng_showp)pChunk; /* address the proper chunk */
|
|
|
9551 |
|
|
|
9552 |
if (pSHOW->bEmpty) /* empty ? */
|
|
|
9553 |
iRetcode = write_raw_chunk (pData, pSHOW->sHeader.iChunkname, 0, 0);
|
|
|
9554 |
else
|
|
|
9555 |
{
|
|
|
9556 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9557 |
iRawlen = 2;
|
|
|
9558 |
/* fill the output buffer */
|
|
|
9559 |
mng_put_uint16 (pRawdata, pSHOW->iFirstid);
|
|
|
9560 |
|
|
|
9561 |
if ((pSHOW->iLastid != pSHOW->iFirstid) || (pSHOW->iMode))
|
|
|
9562 |
{
|
|
|
9563 |
iRawlen += 2;
|
|
|
9564 |
mng_put_uint16 (pRawdata+2, pSHOW->iLastid);
|
|
|
9565 |
|
|
|
9566 |
if (pSHOW->iMode)
|
|
|
9567 |
{
|
|
|
9568 |
iRawlen++;
|
|
|
9569 |
*(pRawdata+4) = pSHOW->iMode;
|
|
|
9570 |
}
|
|
|
9571 |
}
|
|
|
9572 |
/* and write it */
|
|
|
9573 |
iRetcode = write_raw_chunk (pData, pSHOW->sHeader.iChunkname,
|
|
|
9574 |
iRawlen, pRawdata);
|
|
|
9575 |
}
|
|
|
9576 |
|
|
|
9577 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9578 |
MNG_TRACE (pData, MNG_FN_WRITE_SHOW, MNG_LC_END);
|
|
|
9579 |
#endif
|
|
|
9580 |
|
|
|
9581 |
return iRetcode;
|
|
|
9582 |
}
|
|
|
9583 |
|
|
|
9584 |
/* ************************************************************************** */
|
|
|
9585 |
|
|
|
9586 |
WRITE_CHUNK (mng_write_term)
|
|
|
9587 |
{
|
|
|
9588 |
mng_termp pTERM;
|
|
|
9589 |
mng_uint8p pRawdata;
|
|
|
9590 |
mng_uint32 iRawlen;
|
|
|
9591 |
mng_retcode iRetcode;
|
|
|
9592 |
|
|
|
9593 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9594 |
MNG_TRACE (pData, MNG_FN_WRITE_TERM, MNG_LC_START);
|
|
|
9595 |
#endif
|
|
|
9596 |
|
|
|
9597 |
pTERM = (mng_termp)pChunk; /* address the proper chunk */
|
|
|
9598 |
|
|
|
9599 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9600 |
iRawlen = 1;
|
|
|
9601 |
|
|
|
9602 |
*pRawdata = pTERM->iTermaction; /* fill the output buffer */
|
|
|
9603 |
|
|
|
9604 |
if (pTERM->iTermaction == 3)
|
|
|
9605 |
{
|
|
|
9606 |
iRawlen = 10;
|
|
|
9607 |
*(pRawdata+1) = pTERM->iIteraction;
|
|
|
9608 |
|
|
|
9609 |
mng_put_uint32 (pRawdata+2, pTERM->iDelay);
|
|
|
9610 |
mng_put_uint32 (pRawdata+6, pTERM->iItermax);
|
|
|
9611 |
}
|
|
|
9612 |
/* and write it */
|
|
|
9613 |
iRetcode = write_raw_chunk (pData, pTERM->sHeader.iChunkname,
|
|
|
9614 |
iRawlen, pRawdata);
|
|
|
9615 |
|
|
|
9616 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9617 |
MNG_TRACE (pData, MNG_FN_WRITE_TERM, MNG_LC_END);
|
|
|
9618 |
#endif
|
|
|
9619 |
|
|
|
9620 |
return iRetcode;
|
|
|
9621 |
}
|
|
|
9622 |
|
|
|
9623 |
/* ************************************************************************** */
|
|
|
9624 |
|
|
|
9625 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
|
9626 |
WRITE_CHUNK (mng_write_save)
|
|
|
9627 |
{
|
|
|
9628 |
mng_savep pSAVE;
|
|
|
9629 |
mng_uint8p pRawdata;
|
|
|
9630 |
mng_uint32 iRawlen;
|
|
|
9631 |
mng_retcode iRetcode;
|
|
|
9632 |
mng_save_entryp pEntry;
|
|
|
9633 |
mng_uint32 iEntrysize;
|
|
|
9634 |
mng_uint8p pTemp;
|
|
|
9635 |
mng_uint32 iX;
|
|
|
9636 |
|
|
|
9637 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9638 |
MNG_TRACE (pData, MNG_FN_WRITE_SAVE, MNG_LC_START);
|
|
|
9639 |
#endif
|
|
|
9640 |
|
|
|
9641 |
pSAVE = (mng_savep)pChunk; /* address the proper chunk */
|
|
|
9642 |
|
|
|
9643 |
if (pSAVE->bEmpty) /* empty ? */
|
|
|
9644 |
iRetcode = write_raw_chunk (pData, pSAVE->sHeader.iChunkname, 0, 0);
|
|
|
9645 |
else
|
|
|
9646 |
{
|
|
|
9647 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9648 |
iRawlen = 1;
|
|
|
9649 |
|
|
|
9650 |
*pRawdata = pSAVE->iOffsettype; /* fill the output buffer */
|
|
|
9651 |
|
|
|
9652 |
if (pSAVE->iOffsettype == 16)
|
|
|
9653 |
iEntrysize = 25;
|
|
|
9654 |
else
|
|
|
9655 |
iEntrysize = 17;
|
|
|
9656 |
|
|
|
9657 |
pTemp = pRawdata+1;
|
|
|
9658 |
pEntry = pSAVE->pEntries;
|
|
|
9659 |
|
|
|
9660 |
for (iX = 0; iX < pSAVE->iCount; iX++)
|
|
|
9661 |
{
|
|
|
9662 |
if (iX) /* put separator null-byte, except the first */
|
|
|
9663 |
{
|
|
|
9664 |
*pTemp = 0;
|
|
|
9665 |
pTemp++;
|
|
|
9666 |
iRawlen++;
|
|
|
9667 |
}
|
|
|
9668 |
|
|
|
9669 |
iRawlen += iEntrysize + pEntry->iNamesize;
|
|
|
9670 |
*pTemp = pEntry->iEntrytype;
|
|
|
9671 |
|
|
|
9672 |
if (pSAVE->iOffsettype == 16)
|
|
|
9673 |
{
|
|
|
9674 |
mng_put_uint32 (pTemp+1, pEntry->iOffset[0]);
|
|
|
9675 |
mng_put_uint32 (pTemp+5, pEntry->iOffset[1]);
|
|
|
9676 |
mng_put_uint32 (pTemp+9, pEntry->iStarttime[0]);
|
|
|
9677 |
mng_put_uint32 (pTemp+13, pEntry->iStarttime[1]);
|
|
|
9678 |
mng_put_uint32 (pTemp+17, pEntry->iLayernr);
|
|
|
9679 |
mng_put_uint32 (pTemp+21, pEntry->iFramenr);
|
|
|
9680 |
|
|
|
9681 |
pTemp += 25;
|
|
|
9682 |
}
|
|
|
9683 |
else
|
|
|
9684 |
{
|
|
|
9685 |
mng_put_uint32 (pTemp+1, pEntry->iOffset[1]);
|
|
|
9686 |
mng_put_uint32 (pTemp+5, pEntry->iStarttime[1]);
|
|
|
9687 |
mng_put_uint32 (pTemp+9, pEntry->iLayernr);
|
|
|
9688 |
mng_put_uint32 (pTemp+13, pEntry->iFramenr);
|
|
|
9689 |
|
|
|
9690 |
pTemp += 17;
|
|
|
9691 |
}
|
|
|
9692 |
|
|
|
9693 |
if (pEntry->iNamesize)
|
|
|
9694 |
{
|
|
|
9695 |
MNG_COPY (pTemp, pEntry->zName, pEntry->iNamesize);
|
|
|
9696 |
pTemp += pEntry->iNamesize;
|
|
|
9697 |
}
|
|
|
9698 |
|
|
|
9699 |
pEntry++;
|
|
|
9700 |
}
|
|
|
9701 |
/* and write it */
|
|
|
9702 |
iRetcode = write_raw_chunk (pData, pSAVE->sHeader.iChunkname,
|
|
|
9703 |
iRawlen, pRawdata);
|
|
|
9704 |
}
|
|
|
9705 |
|
|
|
9706 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9707 |
MNG_TRACE (pData, MNG_FN_WRITE_SAVE, MNG_LC_END);
|
|
|
9708 |
#endif
|
|
|
9709 |
|
|
|
9710 |
return iRetcode;
|
|
|
9711 |
}
|
|
|
9712 |
#endif
|
|
|
9713 |
|
|
|
9714 |
/* ************************************************************************** */
|
|
|
9715 |
|
|
|
9716 |
#ifndef MNG_SKIPCHUNK_SEEK
|
|
|
9717 |
WRITE_CHUNK (mng_write_seek)
|
|
|
9718 |
{
|
|
|
9719 |
mng_seekp pSEEK;
|
|
|
9720 |
mng_uint8p pRawdata;
|
|
|
9721 |
mng_uint32 iRawlen;
|
|
|
9722 |
mng_retcode iRetcode;
|
|
|
9723 |
|
|
|
9724 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9725 |
MNG_TRACE (pData, MNG_FN_WRITE_SEEK, MNG_LC_START);
|
|
|
9726 |
#endif
|
|
|
9727 |
|
|
|
9728 |
pSEEK = (mng_seekp)pChunk; /* address the proper chunk */
|
|
|
9729 |
|
|
|
9730 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9731 |
iRawlen = pSEEK->iNamesize;
|
|
|
9732 |
|
|
|
9733 |
if (iRawlen) /* fill the output buffer */
|
|
|
9734 |
MNG_COPY (pRawdata, pSEEK->zName, iRawlen);
|
|
|
9735 |
/* and write it */
|
|
|
9736 |
iRetcode = write_raw_chunk (pData, pSEEK->sHeader.iChunkname,
|
|
|
9737 |
iRawlen, pRawdata);
|
|
|
9738 |
|
|
|
9739 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9740 |
MNG_TRACE (pData, MNG_FN_WRITE_SEEK, MNG_LC_END);
|
|
|
9741 |
#endif
|
|
|
9742 |
|
|
|
9743 |
return iRetcode;
|
|
|
9744 |
}
|
|
|
9745 |
#endif
|
|
|
9746 |
|
|
|
9747 |
/* ************************************************************************** */
|
|
|
9748 |
|
|
|
9749 |
#ifndef MNG_SKIPCHUNK_eXPI
|
|
|
9750 |
WRITE_CHUNK (mng_write_expi)
|
|
|
9751 |
{
|
|
|
9752 |
mng_expip pEXPI;
|
|
|
9753 |
mng_uint8p pRawdata;
|
|
|
9754 |
mng_uint32 iRawlen;
|
|
|
9755 |
mng_retcode iRetcode;
|
|
|
9756 |
|
|
|
9757 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9758 |
MNG_TRACE (pData, MNG_FN_WRITE_EXPI, MNG_LC_START);
|
|
|
9759 |
#endif
|
|
|
9760 |
|
|
|
9761 |
pEXPI = (mng_expip)pChunk; /* address the proper chunk */
|
|
|
9762 |
|
|
|
9763 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9764 |
iRawlen = 2 + pEXPI->iNamesize;
|
|
|
9765 |
/* fill the output buffer */
|
|
|
9766 |
mng_put_uint16 (pRawdata, pEXPI->iSnapshotid);
|
|
|
9767 |
|
|
|
9768 |
if (pEXPI->iNamesize)
|
|
|
9769 |
MNG_COPY (pRawdata+2, pEXPI->zName, pEXPI->iNamesize);
|
|
|
9770 |
/* and write it */
|
|
|
9771 |
iRetcode = write_raw_chunk (pData, pEXPI->sHeader.iChunkname,
|
|
|
9772 |
iRawlen, pRawdata);
|
|
|
9773 |
|
|
|
9774 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9775 |
MNG_TRACE (pData, MNG_FN_WRITE_EXPI, MNG_LC_END);
|
|
|
9776 |
#endif
|
|
|
9777 |
|
|
|
9778 |
return iRetcode;
|
|
|
9779 |
}
|
|
|
9780 |
#endif
|
|
|
9781 |
|
|
|
9782 |
/* ************************************************************************** */
|
|
|
9783 |
|
|
|
9784 |
#ifndef MNG_SKIPCHUNK_fPRI
|
|
|
9785 |
WRITE_CHUNK (mng_write_fpri)
|
|
|
9786 |
{
|
|
|
9787 |
mng_fprip pFPRI;
|
|
|
9788 |
mng_uint8p pRawdata;
|
|
|
9789 |
mng_uint32 iRawlen;
|
|
|
9790 |
mng_retcode iRetcode;
|
|
|
9791 |
|
|
|
9792 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9793 |
MNG_TRACE (pData, MNG_FN_WRITE_FPRI, MNG_LC_START);
|
|
|
9794 |
#endif
|
|
|
9795 |
|
|
|
9796 |
pFPRI = (mng_fprip)pChunk; /* address the proper chunk */
|
|
|
9797 |
|
|
|
9798 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9799 |
iRawlen = 2;
|
|
|
9800 |
|
|
|
9801 |
*pRawdata = pFPRI->iDeltatype; /* fill the output buffer */
|
|
|
9802 |
*(pRawdata+1) = pFPRI->iPriority;
|
|
|
9803 |
/* and write it */
|
|
|
9804 |
iRetcode = write_raw_chunk (pData, pFPRI->sHeader.iChunkname,
|
|
|
9805 |
iRawlen, pRawdata);
|
|
|
9806 |
|
|
|
9807 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9808 |
MNG_TRACE (pData, MNG_FN_WRITE_FPRI, MNG_LC_END);
|
|
|
9809 |
#endif
|
|
|
9810 |
|
|
|
9811 |
return iRetcode;
|
|
|
9812 |
}
|
|
|
9813 |
#endif
|
|
|
9814 |
|
|
|
9815 |
/* ************************************************************************** */
|
|
|
9816 |
|
|
|
9817 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
|
9818 |
WRITE_CHUNK (mng_write_need)
|
|
|
9819 |
{
|
|
|
9820 |
mng_needp pNEED;
|
|
|
9821 |
mng_uint8p pRawdata;
|
|
|
9822 |
mng_uint32 iRawlen;
|
|
|
9823 |
mng_retcode iRetcode;
|
|
|
9824 |
|
|
|
9825 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9826 |
MNG_TRACE (pData, MNG_FN_WRITE_NEED, MNG_LC_START);
|
|
|
9827 |
#endif
|
|
|
9828 |
|
|
|
9829 |
pNEED = (mng_needp)pChunk; /* address the proper chunk */
|
|
|
9830 |
|
|
|
9831 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9832 |
iRawlen = pNEED->iKeywordssize;
|
|
|
9833 |
/* fill the output buffer */
|
|
|
9834 |
if (pNEED->iKeywordssize)
|
|
|
9835 |
MNG_COPY (pRawdata, pNEED->zKeywords, pNEED->iKeywordssize);
|
|
|
9836 |
/* and write it */
|
|
|
9837 |
iRetcode = write_raw_chunk (pData, pNEED->sHeader.iChunkname,
|
|
|
9838 |
iRawlen, pRawdata);
|
|
|
9839 |
|
|
|
9840 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9841 |
MNG_TRACE (pData, MNG_FN_WRITE_NEED, MNG_LC_END);
|
|
|
9842 |
#endif
|
|
|
9843 |
|
|
|
9844 |
return iRetcode;
|
|
|
9845 |
}
|
|
|
9846 |
#endif
|
|
|
9847 |
|
|
|
9848 |
/* ************************************************************************** */
|
|
|
9849 |
|
|
|
9850 |
#ifndef MNG_SKIPCHUNK_pHYg
|
|
|
9851 |
WRITE_CHUNK (mng_write_phyg)
|
|
|
9852 |
{
|
|
|
9853 |
mng_phygp pPHYG;
|
|
|
9854 |
mng_uint8p pRawdata;
|
|
|
9855 |
mng_uint32 iRawlen;
|
|
|
9856 |
mng_retcode iRetcode;
|
|
|
9857 |
|
|
|
9858 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9859 |
MNG_TRACE (pData, MNG_FN_WRITE_PHYG, MNG_LC_START);
|
|
|
9860 |
#endif
|
|
|
9861 |
|
|
|
9862 |
pPHYG = (mng_phygp)pChunk; /* address the proper chunk */
|
|
|
9863 |
|
|
|
9864 |
if (pPHYG->bEmpty) /* write empty ? */
|
|
|
9865 |
iRetcode = write_raw_chunk (pData, pPHYG->sHeader.iChunkname, 0, 0);
|
|
|
9866 |
else
|
|
|
9867 |
{
|
|
|
9868 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9869 |
iRawlen = 9;
|
|
|
9870 |
/* fill the output buffer */
|
|
|
9871 |
mng_put_uint32 (pRawdata, pPHYG->iSizex);
|
|
|
9872 |
mng_put_uint32 (pRawdata+4, pPHYG->iSizey);
|
|
|
9873 |
|
|
|
9874 |
*(pRawdata+8) = pPHYG->iUnit;
|
|
|
9875 |
/* and write it */
|
|
|
9876 |
iRetcode = write_raw_chunk (pData, pPHYG->sHeader.iChunkname,
|
|
|
9877 |
iRawlen, pRawdata);
|
|
|
9878 |
}
|
|
|
9879 |
|
|
|
9880 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9881 |
MNG_TRACE (pData, MNG_FN_WRITE_PHYG, MNG_LC_END);
|
|
|
9882 |
#endif
|
|
|
9883 |
|
|
|
9884 |
return iRetcode;
|
|
|
9885 |
}
|
|
|
9886 |
#endif
|
|
|
9887 |
|
|
|
9888 |
/* ************************************************************************** */
|
|
|
9889 |
|
|
|
9890 |
/* B004 */
|
|
|
9891 |
#ifdef MNG_INCLUDE_JNG
|
|
|
9892 |
/* B004 */
|
|
|
9893 |
WRITE_CHUNK (mng_write_jhdr)
|
|
|
9894 |
{
|
|
|
9895 |
mng_jhdrp pJHDR;
|
|
|
9896 |
mng_uint8p pRawdata;
|
|
|
9897 |
mng_uint32 iRawlen;
|
|
|
9898 |
mng_retcode iRetcode;
|
|
|
9899 |
|
|
|
9900 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9901 |
MNG_TRACE (pData, MNG_FN_WRITE_JHDR, MNG_LC_START);
|
|
|
9902 |
#endif
|
|
|
9903 |
|
|
|
9904 |
pJHDR = (mng_jhdrp)pChunk; /* address the proper chunk */
|
|
|
9905 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
9906 |
iRawlen = 16;
|
|
|
9907 |
/* fill the output buffer */
|
|
|
9908 |
mng_put_uint32 (pRawdata, pJHDR->iWidth);
|
|
|
9909 |
mng_put_uint32 (pRawdata+4, pJHDR->iHeight);
|
|
|
9910 |
|
|
|
9911 |
*(pRawdata+8) = pJHDR->iColortype;
|
|
|
9912 |
*(pRawdata+9) = pJHDR->iImagesampledepth;
|
|
|
9913 |
*(pRawdata+10) = pJHDR->iImagecompression;
|
|
|
9914 |
*(pRawdata+11) = pJHDR->iImageinterlace;
|
|
|
9915 |
*(pRawdata+12) = pJHDR->iAlphasampledepth;
|
|
|
9916 |
*(pRawdata+13) = pJHDR->iAlphacompression;
|
|
|
9917 |
*(pRawdata+14) = pJHDR->iAlphafilter;
|
|
|
9918 |
*(pRawdata+15) = pJHDR->iAlphainterlace;
|
|
|
9919 |
/* and write it */
|
|
|
9920 |
iRetcode = write_raw_chunk (pData, pJHDR->sHeader.iChunkname, iRawlen, pRawdata);
|
|
|
9921 |
|
|
|
9922 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9923 |
MNG_TRACE (pData, MNG_FN_WRITE_JHDR, MNG_LC_END);
|
|
|
9924 |
#endif
|
|
|
9925 |
|
|
|
9926 |
return iRetcode;
|
|
|
9927 |
}
|
|
|
9928 |
#else
|
|
|
9929 |
#define write_jhdr 0
|
|
|
9930 |
/* B004 */
|
|
|
9931 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
9932 |
/* B004 */
|
|
|
9933 |
|
|
|
9934 |
/* ************************************************************************** */
|
|
|
9935 |
|
|
|
9936 |
#ifdef MNG_INCLUDE_JNG
|
|
|
9937 |
WRITE_CHUNK (mng_write_jdaa)
|
|
|
9938 |
{
|
|
|
9939 |
mng_jdatp pJDAA;
|
|
|
9940 |
mng_retcode iRetcode;
|
|
|
9941 |
|
|
|
9942 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9943 |
MNG_TRACE (pData, MNG_FN_WRITE_JDAA, MNG_LC_START);
|
|
|
9944 |
#endif
|
|
|
9945 |
|
|
|
9946 |
pJDAA = (mng_jdaap)pChunk; /* address the proper chunk */
|
|
|
9947 |
|
|
|
9948 |
if (pJDAA->bEmpty) /* and write it */
|
|
|
9949 |
iRetcode = write_raw_chunk (pData, pJDAA->sHeader.iChunkname, 0, 0);
|
|
|
9950 |
else
|
|
|
9951 |
iRetcode = write_raw_chunk (pData, pJDAA->sHeader.iChunkname,
|
|
|
9952 |
pJDAA->iDatasize, pJDAA->pData);
|
|
|
9953 |
|
|
|
9954 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9955 |
MNG_TRACE (pData, MNG_FN_WRITE_JDAA, MNG_LC_END);
|
|
|
9956 |
#endif
|
|
|
9957 |
|
|
|
9958 |
return iRetcode;
|
|
|
9959 |
}
|
|
|
9960 |
#else
|
|
|
9961 |
#define write_jdaa 0
|
|
|
9962 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
9963 |
|
|
|
9964 |
/* ************************************************************************** */
|
|
|
9965 |
|
|
|
9966 |
/* B004 */
|
|
|
9967 |
#ifdef MNG_INCLUDE_JNG
|
|
|
9968 |
/* B004 */
|
|
|
9969 |
WRITE_CHUNK (mng_write_jdat)
|
|
|
9970 |
{
|
|
|
9971 |
mng_jdatp pJDAT;
|
|
|
9972 |
mng_retcode iRetcode;
|
|
|
9973 |
|
|
|
9974 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9975 |
MNG_TRACE (pData, MNG_FN_WRITE_JDAT, MNG_LC_START);
|
|
|
9976 |
#endif
|
|
|
9977 |
|
|
|
9978 |
pJDAT = (mng_jdatp)pChunk; /* address the proper chunk */
|
|
|
9979 |
|
|
|
9980 |
if (pJDAT->bEmpty) /* and write it */
|
|
|
9981 |
iRetcode = write_raw_chunk (pData, pJDAT->sHeader.iChunkname, 0, 0);
|
|
|
9982 |
else
|
|
|
9983 |
iRetcode = write_raw_chunk (pData, pJDAT->sHeader.iChunkname,
|
|
|
9984 |
pJDAT->iDatasize, pJDAT->pData);
|
|
|
9985 |
|
|
|
9986 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
9987 |
MNG_TRACE (pData, MNG_FN_WRITE_JDAT, MNG_LC_END);
|
|
|
9988 |
#endif
|
|
|
9989 |
|
|
|
9990 |
return iRetcode;
|
|
|
9991 |
}
|
|
|
9992 |
#else
|
|
|
9993 |
#define write_jdat 0
|
|
|
9994 |
/* B004 */
|
|
|
9995 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
9996 |
/* B004 */
|
|
|
9997 |
|
|
|
9998 |
/* ************************************************************************** */
|
|
|
9999 |
|
|
|
10000 |
/* B004 */
|
|
|
10001 |
#ifdef MNG_INCLUDE_JNG
|
|
|
10002 |
/* B004 */
|
|
|
10003 |
WRITE_CHUNK (mng_write_jsep)
|
|
|
10004 |
{
|
|
|
10005 |
mng_jsepp pJSEP;
|
|
|
10006 |
mng_retcode iRetcode;
|
|
|
10007 |
|
|
|
10008 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10009 |
MNG_TRACE (pData, MNG_FN_WRITE_JSEP, MNG_LC_START);
|
|
|
10010 |
#endif
|
|
|
10011 |
|
|
|
10012 |
pJSEP = (mng_jsepp)pChunk; /* address the proper chunk */
|
|
|
10013 |
/* and write it */
|
|
|
10014 |
iRetcode = write_raw_chunk (pData, pJSEP->sHeader.iChunkname, 0, 0);
|
|
|
10015 |
|
|
|
10016 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10017 |
MNG_TRACE (pData, MNG_FN_WRITE_JSEP, MNG_LC_END);
|
|
|
10018 |
#endif
|
|
|
10019 |
|
|
|
10020 |
return iRetcode;
|
|
|
10021 |
}
|
|
|
10022 |
#else
|
|
|
10023 |
#define write_jsep 0
|
|
|
10024 |
/* B004 */
|
|
|
10025 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
10026 |
/* B004 */
|
|
|
10027 |
|
|
|
10028 |
/* ************************************************************************** */
|
|
|
10029 |
|
|
|
10030 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
10031 |
WRITE_CHUNK (mng_write_dhdr)
|
|
|
10032 |
{
|
|
|
10033 |
mng_dhdrp pDHDR;
|
|
|
10034 |
mng_uint8p pRawdata;
|
|
|
10035 |
mng_uint32 iRawlen;
|
|
|
10036 |
mng_retcode iRetcode;
|
|
|
10037 |
|
|
|
10038 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10039 |
MNG_TRACE (pData, MNG_FN_WRITE_DHDR, MNG_LC_START);
|
|
|
10040 |
#endif
|
|
|
10041 |
|
|
|
10042 |
pDHDR = (mng_dhdrp)pChunk; /* address the proper chunk */
|
|
|
10043 |
|
|
|
10044 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10045 |
iRawlen = 4;
|
|
|
10046 |
/* fill the output buffer */
|
|
|
10047 |
mng_put_uint16 (pRawdata, pDHDR->iObjectid);
|
|
|
10048 |
|
|
|
10049 |
*(pRawdata+2) = pDHDR->iImagetype;
|
|
|
10050 |
*(pRawdata+3) = pDHDR->iDeltatype;
|
|
|
10051 |
|
|
|
10052 |
if (pDHDR->iDeltatype != 7)
|
|
|
10053 |
{
|
|
|
10054 |
iRawlen += 8;
|
|
|
10055 |
mng_put_uint32 (pRawdata+4, pDHDR->iBlockwidth);
|
|
|
10056 |
mng_put_uint32 (pRawdata+8, pDHDR->iBlockheight);
|
|
|
10057 |
|
|
|
10058 |
if (pDHDR->iDeltatype != 0)
|
|
|
10059 |
{
|
|
|
10060 |
iRawlen += 8;
|
|
|
10061 |
mng_put_uint32 (pRawdata+12, pDHDR->iBlockx);
|
|
|
10062 |
mng_put_uint32 (pRawdata+16, pDHDR->iBlocky);
|
|
|
10063 |
}
|
|
|
10064 |
}
|
|
|
10065 |
/* and write it */
|
|
|
10066 |
iRetcode = write_raw_chunk (pData, pDHDR->sHeader.iChunkname,
|
|
|
10067 |
iRawlen, pRawdata);
|
|
|
10068 |
|
|
|
10069 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10070 |
MNG_TRACE (pData, MNG_FN_WRITE_DHDR, MNG_LC_END);
|
|
|
10071 |
#endif
|
|
|
10072 |
|
|
|
10073 |
return iRetcode;
|
|
|
10074 |
}
|
|
|
10075 |
#endif
|
|
|
10076 |
|
|
|
10077 |
/* ************************************************************************** */
|
|
|
10078 |
|
|
|
10079 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
10080 |
WRITE_CHUNK (mng_write_prom)
|
|
|
10081 |
{
|
|
|
10082 |
mng_promp pPROM;
|
|
|
10083 |
mng_uint8p pRawdata;
|
|
|
10084 |
mng_uint32 iRawlen;
|
|
|
10085 |
mng_retcode iRetcode;
|
|
|
10086 |
|
|
|
10087 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10088 |
MNG_TRACE (pData, MNG_FN_WRITE_PROM, MNG_LC_START);
|
|
|
10089 |
#endif
|
|
|
10090 |
|
|
|
10091 |
pPROM = (mng_promp)pChunk; /* address the proper chunk */
|
|
|
10092 |
|
|
|
10093 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10094 |
iRawlen = 3;
|
|
|
10095 |
|
|
|
10096 |
*pRawdata = pPROM->iColortype; /* fill the output buffer */
|
|
|
10097 |
*(pRawdata+1) = pPROM->iSampledepth;
|
|
|
10098 |
*(pRawdata+2) = pPROM->iFilltype;
|
|
|
10099 |
/* and write it */
|
|
|
10100 |
iRetcode = write_raw_chunk (pData, pPROM->sHeader.iChunkname,
|
|
|
10101 |
iRawlen, pRawdata);
|
|
|
10102 |
|
|
|
10103 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10104 |
MNG_TRACE (pData, MNG_FN_WRITE_PROM, MNG_LC_END);
|
|
|
10105 |
#endif
|
|
|
10106 |
|
|
|
10107 |
return iRetcode;
|
|
|
10108 |
}
|
|
|
10109 |
#endif
|
|
|
10110 |
|
|
|
10111 |
/* ************************************************************************** */
|
|
|
10112 |
|
|
|
10113 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
10114 |
WRITE_CHUNK (mng_write_ipng)
|
|
|
10115 |
{
|
|
|
10116 |
mng_ipngp pIPNG;
|
|
|
10117 |
mng_retcode iRetcode;
|
|
|
10118 |
|
|
|
10119 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10120 |
MNG_TRACE (pData, MNG_FN_WRITE_IPNG, MNG_LC_START);
|
|
|
10121 |
#endif
|
|
|
10122 |
|
|
|
10123 |
pIPNG = (mng_ipngp)pChunk; /* address the proper chunk */
|
|
|
10124 |
/* and write it */
|
|
|
10125 |
iRetcode = write_raw_chunk (pData, pIPNG->sHeader.iChunkname, 0, 0);
|
|
|
10126 |
|
|
|
10127 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10128 |
MNG_TRACE (pData, MNG_FN_WRITE_IPNG, MNG_LC_END);
|
|
|
10129 |
#endif
|
|
|
10130 |
|
|
|
10131 |
return iRetcode;
|
|
|
10132 |
}
|
|
|
10133 |
#endif
|
|
|
10134 |
|
|
|
10135 |
/* ************************************************************************** */
|
|
|
10136 |
|
|
|
10137 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
10138 |
WRITE_CHUNK (mng_write_pplt)
|
|
|
10139 |
{
|
|
|
10140 |
mng_ppltp pPPLT;
|
|
|
10141 |
mng_uint8p pRawdata;
|
|
|
10142 |
mng_uint32 iRawlen;
|
|
|
10143 |
mng_retcode iRetcode;
|
|
|
10144 |
mng_pplt_entryp pEntry;
|
|
|
10145 |
mng_uint8p pTemp;
|
|
|
10146 |
mng_uint32 iX;
|
|
|
10147 |
mng_bool bHasgroup;
|
|
|
10148 |
mng_uint8p pLastid = 0;
|
|
|
10149 |
|
|
|
10150 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10151 |
MNG_TRACE (pData, MNG_FN_WRITE_PPLT, MNG_LC_START);
|
|
|
10152 |
#endif
|
|
|
10153 |
|
|
|
10154 |
pPPLT = (mng_ppltp)pChunk; /* address the proper chunk */
|
|
|
10155 |
|
|
|
10156 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10157 |
iRawlen = 1;
|
|
|
10158 |
|
|
|
10159 |
*pRawdata = pPPLT->iDeltatype; /* fill the output buffer */
|
|
|
10160 |
|
|
|
10161 |
pTemp = pRawdata+1;
|
|
|
10162 |
bHasgroup = MNG_FALSE;
|
|
|
10163 |
|
|
|
10164 |
for (iX = 0; iX < pPPLT->iCount; iX++)
|
|
|
10165 |
{
|
|
|
10166 |
pEntry = &pPPLT->aEntries[iX];
|
|
|
10167 |
|
|
|
10168 |
if (pEntry->bUsed) /* valid entry ? */
|
|
|
10169 |
{
|
|
|
10170 |
if (!bHasgroup) /* start a new group ? */
|
|
|
10171 |
{
|
|
|
10172 |
bHasgroup = MNG_TRUE;
|
|
|
10173 |
pLastid = pTemp+1;
|
|
|
10174 |
|
|
|
10175 |
*pTemp = (mng_uint8)iX;
|
|
|
10176 |
*(pTemp+1) = 0;
|
|
|
10177 |
|
|
|
10178 |
pTemp += 2;
|
|
|
10179 |
iRawlen += 2;
|
|
|
10180 |
}
|
|
|
10181 |
|
|
|
10182 |
switch (pPPLT->iDeltatype) /* add group-entry depending on type */
|
|
|
10183 |
{
|
|
|
10184 |
case 0: ;
|
|
|
10185 |
case 1: {
|
|
|
10186 |
*pTemp = pEntry->iRed;
|
|
|
10187 |
*(pTemp+1) = pEntry->iGreen;
|
|
|
10188 |
*(pTemp+2) = pEntry->iBlue;
|
|
|
10189 |
|
|
|
10190 |
pTemp += 3;
|
|
|
10191 |
iRawlen += 3;
|
|
|
10192 |
|
|
|
10193 |
break;
|
|
|
10194 |
}
|
|
|
10195 |
|
|
|
10196 |
case 2: ;
|
|
|
10197 |
case 3: {
|
|
|
10198 |
*pTemp = pEntry->iAlpha;
|
|
|
10199 |
|
|
|
10200 |
pTemp++;
|
|
|
10201 |
iRawlen++;
|
|
|
10202 |
|
|
|
10203 |
break;
|
|
|
10204 |
}
|
|
|
10205 |
|
|
|
10206 |
case 4: ;
|
|
|
10207 |
case 5: {
|
|
|
10208 |
*pTemp = pEntry->iRed;
|
|
|
10209 |
*(pTemp+1) = pEntry->iGreen;
|
|
|
10210 |
*(pTemp+2) = pEntry->iBlue;
|
|
|
10211 |
*(pTemp+3) = pEntry->iAlpha;
|
|
|
10212 |
|
|
|
10213 |
pTemp += 4;
|
|
|
10214 |
iRawlen += 4;
|
|
|
10215 |
|
|
|
10216 |
break;
|
|
|
10217 |
}
|
|
|
10218 |
|
|
|
10219 |
}
|
|
|
10220 |
}
|
|
|
10221 |
else
|
|
|
10222 |
{
|
|
|
10223 |
if (bHasgroup) /* finish off a group ? */
|
|
|
10224 |
*pLastid = (mng_uint8)(iX-1);
|
|
|
10225 |
|
|
|
10226 |
bHasgroup = MNG_FALSE;
|
|
|
10227 |
}
|
|
|
10228 |
}
|
|
|
10229 |
|
|
|
10230 |
if (bHasgroup) /* last group unfinished ? */
|
|
|
10231 |
*pLastid = (mng_uint8)(pPPLT->iCount-1);
|
|
|
10232 |
/* write the output buffer */
|
|
|
10233 |
iRetcode = write_raw_chunk (pData, pPPLT->sHeader.iChunkname,
|
|
|
10234 |
iRawlen, pRawdata);
|
|
|
10235 |
|
|
|
10236 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10237 |
MNG_TRACE (pData, MNG_FN_WRITE_PPLT, MNG_LC_END);
|
|
|
10238 |
#endif
|
|
|
10239 |
|
|
|
10240 |
return iRetcode;
|
|
|
10241 |
}
|
|
|
10242 |
#endif
|
|
|
10243 |
|
|
|
10244 |
/* ************************************************************************** */
|
|
|
10245 |
|
|
|
10246 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
10247 |
#ifdef MNG_INCLUDE_JNG
|
|
|
10248 |
WRITE_CHUNK (mng_write_ijng)
|
|
|
10249 |
{
|
|
|
10250 |
mng_ijngp pIJNG;
|
|
|
10251 |
mng_retcode iRetcode;
|
|
|
10252 |
|
|
|
10253 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10254 |
MNG_TRACE (pData, MNG_FN_WRITE_IJNG, MNG_LC_START);
|
|
|
10255 |
#endif
|
|
|
10256 |
|
|
|
10257 |
pIJNG = (mng_ijngp)pChunk; /* address the proper chunk */
|
|
|
10258 |
/* and write it */
|
|
|
10259 |
iRetcode = write_raw_chunk (pData, pIJNG->sHeader.iChunkname, 0, 0);
|
|
|
10260 |
|
|
|
10261 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10262 |
MNG_TRACE (pData, MNG_FN_WRITE_IJNG, MNG_LC_END);
|
|
|
10263 |
#endif
|
|
|
10264 |
|
|
|
10265 |
return iRetcode;
|
|
|
10266 |
}
|
|
|
10267 |
#endif
|
|
|
10268 |
#endif
|
|
|
10269 |
|
|
|
10270 |
/* ************************************************************************** */
|
|
|
10271 |
|
|
|
10272 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
10273 |
WRITE_CHUNK (mng_write_drop)
|
|
|
10274 |
{
|
|
|
10275 |
mng_dropp pDROP;
|
|
|
10276 |
mng_uint8p pRawdata;
|
|
|
10277 |
mng_uint32 iRawlen;
|
|
|
10278 |
mng_retcode iRetcode;
|
|
|
10279 |
mng_uint32 iX;
|
|
|
10280 |
mng_uint8p pTemp1;
|
|
|
10281 |
mng_chunkidp pTemp2;
|
|
|
10282 |
|
|
|
10283 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10284 |
MNG_TRACE (pData, MNG_FN_WRITE_DROP, MNG_LC_START);
|
|
|
10285 |
#endif
|
|
|
10286 |
|
|
|
10287 |
pDROP = (mng_dropp)pChunk; /* address the proper chunk */
|
|
|
10288 |
|
|
|
10289 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10290 |
iRawlen = pDROP->iCount << 2;
|
|
|
10291 |
|
|
|
10292 |
pTemp1 = pRawdata; /* fill the output buffer */
|
|
|
10293 |
pTemp2 = pDROP->pChunknames;
|
|
|
10294 |
|
|
|
10295 |
for (iX = 0; iX < pDROP->iCount; iX++)
|
|
|
10296 |
{
|
|
|
10297 |
mng_put_uint32 (pTemp1, (mng_uint32)*pTemp2);
|
|
|
10298 |
|
|
|
10299 |
pTemp2++;
|
|
|
10300 |
pTemp1 += 4;
|
|
|
10301 |
}
|
|
|
10302 |
/* and write it */
|
|
|
10303 |
iRetcode = write_raw_chunk (pData, pDROP->sHeader.iChunkname,
|
|
|
10304 |
iRawlen, pRawdata);
|
|
|
10305 |
|
|
|
10306 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10307 |
MNG_TRACE (pData, MNG_FN_WRITE_DROP, MNG_LC_END);
|
|
|
10308 |
#endif
|
|
|
10309 |
|
|
|
10310 |
return iRetcode;
|
|
|
10311 |
}
|
|
|
10312 |
#endif
|
|
|
10313 |
|
|
|
10314 |
/* ************************************************************************** */
|
|
|
10315 |
|
|
|
10316 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
10317 |
#ifndef MNG_SKIPCHUNK_DBYK
|
|
|
10318 |
WRITE_CHUNK (mng_write_dbyk)
|
|
|
10319 |
{
|
|
|
10320 |
mng_dbykp pDBYK;
|
|
|
10321 |
mng_uint8p pRawdata;
|
|
|
10322 |
mng_uint32 iRawlen;
|
|
|
10323 |
mng_retcode iRetcode;
|
|
|
10324 |
|
|
|
10325 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10326 |
MNG_TRACE (pData, MNG_FN_WRITE_DBYK, MNG_LC_START);
|
|
|
10327 |
#endif
|
|
|
10328 |
|
|
|
10329 |
pDBYK = (mng_dbykp)pChunk; /* address the proper chunk */
|
|
|
10330 |
|
|
|
10331 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10332 |
iRawlen = 5 + pDBYK->iKeywordssize;
|
|
|
10333 |
/* fill the output buffer */
|
|
|
10334 |
mng_put_uint32 (pRawdata, pDBYK->iChunkname);
|
|
|
10335 |
*(pRawdata+4) = pDBYK->iPolarity;
|
|
|
10336 |
|
|
|
10337 |
if (pDBYK->iKeywordssize)
|
|
|
10338 |
MNG_COPY (pRawdata+5, pDBYK->zKeywords, pDBYK->iKeywordssize);
|
|
|
10339 |
/* and write it */
|
|
|
10340 |
iRetcode = write_raw_chunk (pData, pDBYK->sHeader.iChunkname,
|
|
|
10341 |
iRawlen, pRawdata);
|
|
|
10342 |
|
|
|
10343 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10344 |
MNG_TRACE (pData, MNG_FN_WRITE_DBYK, MNG_LC_END);
|
|
|
10345 |
#endif
|
|
|
10346 |
|
|
|
10347 |
return iRetcode;
|
|
|
10348 |
}
|
|
|
10349 |
#endif
|
|
|
10350 |
#endif
|
|
|
10351 |
|
|
|
10352 |
/* ************************************************************************** */
|
|
|
10353 |
|
|
|
10354 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
10355 |
#ifndef MNG_SKIPCHUNK_ORDR
|
|
|
10356 |
WRITE_CHUNK (mng_write_ordr)
|
|
|
10357 |
{
|
|
|
10358 |
mng_ordrp pORDR;
|
|
|
10359 |
mng_uint8p pRawdata;
|
|
|
10360 |
mng_uint32 iRawlen;
|
|
|
10361 |
mng_retcode iRetcode;
|
|
|
10362 |
mng_uint8p pTemp;
|
|
|
10363 |
mng_ordr_entryp pEntry;
|
|
|
10364 |
mng_uint32 iX;
|
|
|
10365 |
|
|
|
10366 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10367 |
MNG_TRACE (pData, MNG_FN_WRITE_ORDR, MNG_LC_START);
|
|
|
10368 |
#endif
|
|
|
10369 |
|
|
|
10370 |
pORDR = (mng_ordrp)pChunk; /* address the proper chunk */
|
|
|
10371 |
|
|
|
10372 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10373 |
iRawlen = pORDR->iCount * 5;
|
|
|
10374 |
|
|
|
10375 |
pTemp = pRawdata; /* fill the output buffer */
|
|
|
10376 |
pEntry = pORDR->pEntries;
|
|
|
10377 |
|
|
|
10378 |
for (iX = 0; iX < pORDR->iCount; iX++)
|
|
|
10379 |
{
|
|
|
10380 |
mng_put_uint32 (pTemp, pEntry->iChunkname);
|
|
|
10381 |
*(pTemp+4) = pEntry->iOrdertype;
|
|
|
10382 |
pTemp += 5;
|
|
|
10383 |
pEntry++;
|
|
|
10384 |
}
|
|
|
10385 |
/* and write it */
|
|
|
10386 |
iRetcode = write_raw_chunk (pData, pORDR->sHeader.iChunkname,
|
|
|
10387 |
iRawlen, pRawdata);
|
|
|
10388 |
|
|
|
10389 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10390 |
MNG_TRACE (pData, MNG_FN_WRITE_ORDR, MNG_LC_END);
|
|
|
10391 |
#endif
|
|
|
10392 |
|
|
|
10393 |
return iRetcode;
|
|
|
10394 |
}
|
|
|
10395 |
#endif
|
|
|
10396 |
#endif
|
|
|
10397 |
|
|
|
10398 |
/* ************************************************************************** */
|
|
|
10399 |
|
|
|
10400 |
WRITE_CHUNK (mng_write_magn)
|
|
|
10401 |
{
|
|
|
10402 |
mng_magnp pMAGN;
|
|
|
10403 |
mng_uint8p pRawdata;
|
|
|
10404 |
mng_uint32 iRawlen;
|
|
|
10405 |
mng_retcode iRetcode;
|
|
|
10406 |
|
|
|
10407 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10408 |
MNG_TRACE (pData, MNG_FN_WRITE_MAGN, MNG_LC_START);
|
|
|
10409 |
#endif
|
|
|
10410 |
|
|
|
10411 |
pMAGN = (mng_magnp)pChunk; /* address the proper chunk */
|
|
|
10412 |
|
|
|
10413 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10414 |
iRawlen = 18;
|
|
|
10415 |
/* fill the output buffer */
|
|
|
10416 |
mng_put_uint16 (pRawdata, pMAGN->iFirstid);
|
|
|
10417 |
mng_put_uint16 (pRawdata+2, pMAGN->iLastid);
|
|
|
10418 |
*(pRawdata+4) = pMAGN->iMethodX;
|
|
|
10419 |
mng_put_uint16 (pRawdata+5, pMAGN->iMX);
|
|
|
10420 |
mng_put_uint16 (pRawdata+7, pMAGN->iMY);
|
|
|
10421 |
mng_put_uint16 (pRawdata+9, pMAGN->iML);
|
|
|
10422 |
mng_put_uint16 (pRawdata+11, pMAGN->iMR);
|
|
|
10423 |
mng_put_uint16 (pRawdata+13, pMAGN->iMT);
|
|
|
10424 |
mng_put_uint16 (pRawdata+15, pMAGN->iMB);
|
|
|
10425 |
*(pRawdata+17) = pMAGN->iMethodY;
|
|
|
10426 |
/* optimize length */
|
|
|
10427 |
if (pMAGN->iMethodY == pMAGN->iMethodX)
|
|
|
10428 |
{
|
|
|
10429 |
iRawlen--;
|
|
|
10430 |
|
|
|
10431 |
if (pMAGN->iMB == pMAGN->iMY)
|
|
|
10432 |
{
|
|
|
10433 |
iRawlen -= 2;
|
|
|
10434 |
|
|
|
10435 |
if (pMAGN->iMT == pMAGN->iMY)
|
|
|
10436 |
{
|
|
|
10437 |
iRawlen -= 2;
|
|
|
10438 |
|
|
|
10439 |
if (pMAGN->iMR == pMAGN->iMX)
|
|
|
10440 |
{
|
|
|
10441 |
iRawlen -= 2;
|
|
|
10442 |
|
|
|
10443 |
if (pMAGN->iML == pMAGN->iMX)
|
|
|
10444 |
{
|
|
|
10445 |
iRawlen -= 2;
|
|
|
10446 |
|
|
|
10447 |
if (pMAGN->iMY == pMAGN->iMX)
|
|
|
10448 |
{
|
|
|
10449 |
iRawlen -= 2;
|
|
|
10450 |
|
|
|
10451 |
if (pMAGN->iMX == 1)
|
|
|
10452 |
{
|
|
|
10453 |
iRawlen -= 2;
|
|
|
10454 |
|
|
|
10455 |
if (pMAGN->iMethodX == 0)
|
|
|
10456 |
{
|
|
|
10457 |
iRawlen--;
|
|
|
10458 |
|
|
|
10459 |
if (pMAGN->iLastid == pMAGN->iFirstid)
|
|
|
10460 |
{
|
|
|
10461 |
iRawlen -= 2;
|
|
|
10462 |
|
|
|
10463 |
if (pMAGN->iFirstid == 0)
|
|
|
10464 |
iRawlen = 0;
|
|
|
10465 |
|
|
|
10466 |
}
|
|
|
10467 |
}
|
|
|
10468 |
}
|
|
|
10469 |
}
|
|
|
10470 |
}
|
|
|
10471 |
}
|
|
|
10472 |
}
|
|
|
10473 |
}
|
|
|
10474 |
}
|
|
|
10475 |
/* and write it */
|
|
|
10476 |
iRetcode = write_raw_chunk (pData, pMAGN->sHeader.iChunkname,
|
|
|
10477 |
iRawlen, pRawdata);
|
|
|
10478 |
|
|
|
10479 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10480 |
MNG_TRACE (pData, MNG_FN_WRITE_MAGN, MNG_LC_END);
|
|
|
10481 |
#endif
|
|
|
10482 |
|
|
|
10483 |
return iRetcode;
|
|
|
10484 |
}
|
|
|
10485 |
|
|
|
10486 |
/* ************************************************************************** */
|
|
|
10487 |
|
|
|
10488 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
|
10489 |
WRITE_CHUNK (mng_write_mpng)
|
|
|
10490 |
{
|
|
|
10491 |
mng_mpngp pMPNG;
|
|
|
10492 |
mng_uint8p pRawdata;
|
|
|
10493 |
mng_uint32 iRawlen;
|
|
|
10494 |
mng_retcode iRetcode;
|
|
|
10495 |
mng_uint8p pBuf = 0;
|
|
|
10496 |
mng_uint32 iBuflen;
|
|
|
10497 |
mng_uint32 iReallen;
|
|
|
10498 |
|
|
|
10499 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10500 |
MNG_TRACE (pData, MNG_FN_WRITE_MPNG, MNG_LC_START);
|
|
|
10501 |
#endif
|
|
|
10502 |
|
|
|
10503 |
pMPNG = (mng_mpngp)pChunk; /* address the proper chunk */
|
|
|
10504 |
/* compress the frame structures */
|
|
|
10505 |
iRetcode = deflate_buffer (pData, (mng_uint8p)pMPNG->pFrames, pMPNG->iFramessize,
|
|
|
10506 |
&pBuf, &iBuflen, &iReallen);
|
|
|
10507 |
|
|
|
10508 |
if (!iRetcode) /* all ok ? */
|
|
|
10509 |
{
|
|
|
10510 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10511 |
iRawlen = 15 + iReallen;
|
|
|
10512 |
/* requires large buffer ? */
|
|
|
10513 |
if (iRawlen > pData->iWritebufsize)
|
|
|
10514 |
MNG_ALLOC (pData, pRawdata, iRawlen);
|
|
|
10515 |
/* fill the buffer */
|
|
|
10516 |
mng_put_uint32 (pRawdata, pMPNG->iFramewidth);
|
|
|
10517 |
mng_put_uint32 (pRawdata+4, pMPNG->iFrameheight);
|
|
|
10518 |
mng_put_uint16 (pRawdata+8, pMPNG->iNumplays);
|
|
|
10519 |
mng_put_uint16 (pRawdata+10, pMPNG->iTickspersec);
|
|
|
10520 |
*(pRawdata+12) = pMPNG->iCompressionmethod;
|
|
|
10521 |
|
|
|
10522 |
if (iReallen)
|
|
|
10523 |
MNG_COPY (pRawdata+13, pBuf, iReallen);
|
|
|
10524 |
/* and write it */
|
|
|
10525 |
iRetcode = write_raw_chunk (pData, pMPNG->sHeader.iChunkname,
|
|
|
10526 |
iRawlen, pRawdata);
|
|
|
10527 |
/* drop the temp buffer ? */
|
|
|
10528 |
if (iRawlen > pData->iWritebufsize)
|
|
|
10529 |
MNG_FREEX (pData, pRawdata, iRawlen);
|
|
|
10530 |
}
|
|
|
10531 |
|
|
|
10532 |
MNG_FREEX (pData, pBuf, iBuflen); /* always drop the compression buffer */
|
|
|
10533 |
|
|
|
10534 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10535 |
MNG_TRACE (pData, MNG_FN_WRITE_MPNG, MNG_LC_END);
|
|
|
10536 |
#endif
|
|
|
10537 |
|
|
|
10538 |
return iRetcode;
|
|
|
10539 |
}
|
|
|
10540 |
#endif
|
|
|
10541 |
|
|
|
10542 |
/* ************************************************************************** */
|
|
|
10543 |
|
|
|
10544 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
|
10545 |
WRITE_CHUNK (mng_write_ahdr)
|
|
|
10546 |
{
|
|
|
10547 |
mng_ahdrp pAHDR;
|
|
|
10548 |
mng_uint8p pRawdata;
|
|
|
10549 |
mng_uint32 iRawlen;
|
|
|
10550 |
mng_retcode iRetcode;
|
|
|
10551 |
|
|
|
10552 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10553 |
MNG_TRACE (pData, MNG_FN_WRITE_AHDR, MNG_LC_START);
|
|
|
10554 |
#endif
|
|
|
10555 |
|
|
|
10556 |
pAHDR = (mng_ahdrp)pChunk; /* address the proper chunk */
|
|
|
10557 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10558 |
iRawlen = 22;
|
|
|
10559 |
/* fill the buffer */
|
|
|
10560 |
mng_put_uint32 (pRawdata, pAHDR->iNumframes);
|
|
|
10561 |
mng_put_uint32 (pRawdata+4, pAHDR->iTickspersec);
|
|
|
10562 |
mng_put_uint32 (pRawdata+8, pAHDR->iNumplays);
|
|
|
10563 |
mng_put_uint32 (pRawdata+12, pAHDR->iTilewidth);
|
|
|
10564 |
mng_put_uint32 (pRawdata+16, pAHDR->iTileheight);
|
|
|
10565 |
*(pRawdata+20) = pAHDR->iInterlace;
|
|
|
10566 |
*(pRawdata+21) = pAHDR->iStillused;
|
|
|
10567 |
/* and write it */
|
|
|
10568 |
iRetcode = write_raw_chunk (pData, pAHDR->sHeader.iChunkname,
|
|
|
10569 |
iRawlen, pRawdata);
|
|
|
10570 |
|
|
|
10571 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10572 |
MNG_TRACE (pData, MNG_FN_WRITE_AHDR, MNG_LC_END);
|
|
|
10573 |
#endif
|
|
|
10574 |
|
|
|
10575 |
return iRetcode;
|
|
|
10576 |
}
|
|
|
10577 |
#endif
|
|
|
10578 |
|
|
|
10579 |
/* ************************************************************************** */
|
|
|
10580 |
|
|
|
10581 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
|
10582 |
WRITE_CHUNK (mng_write_adat)
|
|
|
10583 |
{
|
|
|
10584 |
|
|
|
10585 |
/* TODO: something */
|
|
|
10586 |
|
|
|
10587 |
return MNG_NOERROR;
|
|
|
10588 |
}
|
|
|
10589 |
#endif
|
|
|
10590 |
|
|
|
10591 |
/* ************************************************************************** */
|
|
|
10592 |
|
|
|
10593 |
#ifndef MNG_SKIPCHUNK_evNT
|
|
|
10594 |
WRITE_CHUNK (mng_write_evnt)
|
|
|
10595 |
{
|
|
|
10596 |
mng_evntp pEVNT;
|
|
|
10597 |
mng_uint8p pRawdata;
|
|
|
10598 |
mng_uint32 iRawlen;
|
|
|
10599 |
mng_retcode iRetcode;
|
|
|
10600 |
mng_evnt_entryp pEntry;
|
|
|
10601 |
mng_uint8p pTemp;
|
|
|
10602 |
mng_uint32 iX;
|
|
|
10603 |
mng_uint32 iNamesize;
|
|
|
10604 |
|
|
|
10605 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10606 |
MNG_TRACE (pData, MNG_FN_WRITE_EVNT, MNG_LC_START);
|
|
|
10607 |
#endif
|
|
|
10608 |
|
|
|
10609 |
pEVNT = (mng_evntp)pChunk; /* address the proper chunk */
|
|
|
10610 |
|
|
|
10611 |
if (!pEVNT->iCount) /* empty ? */
|
|
|
10612 |
iRetcode = write_raw_chunk (pData, pEVNT->sHeader.iChunkname, 0, 0);
|
|
|
10613 |
else
|
|
|
10614 |
{
|
|
|
10615 |
pRawdata = pData->pWritebuf+8; /* init output buffer & size */
|
|
|
10616 |
iRawlen = 0;
|
|
|
10617 |
pTemp = pRawdata;
|
|
|
10618 |
pEntry = pEVNT->pEntries;
|
|
|
10619 |
|
|
|
10620 |
for (iX = 0; iX < pEVNT->iCount; iX++)
|
|
|
10621 |
{
|
|
|
10622 |
if (iX) /* put separator null-byte, except the first */
|
|
|
10623 |
{
|
|
|
10624 |
*pTemp = 0;
|
|
|
10625 |
pTemp++;
|
|
|
10626 |
iRawlen++;
|
|
|
10627 |
}
|
|
|
10628 |
|
|
|
10629 |
*pTemp = pEntry->iEventtype;
|
|
|
10630 |
*(pTemp+1) = pEntry->iMasktype;
|
|
|
10631 |
pTemp += 2;
|
|
|
10632 |
iRawlen += 2;
|
|
|
10633 |
|
|
|
10634 |
switch (pEntry->iMasktype)
|
|
|
10635 |
{
|
|
|
10636 |
case 1 :
|
|
|
10637 |
{
|
|
|
10638 |
mng_put_int32 (pTemp, pEntry->iLeft);
|
|
|
10639 |
mng_put_int32 (pTemp+4, pEntry->iRight);
|
|
|
10640 |
mng_put_int32 (pTemp+8, pEntry->iTop);
|
|
|
10641 |
mng_put_int32 (pTemp+12, pEntry->iBottom);
|
|
|
10642 |
pTemp += 16;
|
|
|
10643 |
iRawlen += 16;
|
|
|
10644 |
break;
|
|
|
10645 |
}
|
|
|
10646 |
case 2 :
|
|
|
10647 |
{
|
|
|
10648 |
mng_put_uint16 (pTemp, pEntry->iObjectid);
|
|
|
10649 |
pTemp += 2;
|
|
|
10650 |
iRawlen += 2;
|
|
|
10651 |
break;
|
|
|
10652 |
}
|
|
|
10653 |
case 3 :
|
|
|
10654 |
{
|
|
|
10655 |
mng_put_uint16 (pTemp, pEntry->iObjectid);
|
|
|
10656 |
*(pTemp+2) = pEntry->iIndex;
|
|
|
10657 |
pTemp += 3;
|
|
|
10658 |
iRawlen += 3;
|
|
|
10659 |
break;
|
|
|
10660 |
}
|
|
|
10661 |
case 4 :
|
|
|
10662 |
{
|
|
|
10663 |
mng_put_int32 (pTemp, pEntry->iLeft);
|
|
|
10664 |
mng_put_int32 (pTemp+4, pEntry->iRight);
|
|
|
10665 |
mng_put_int32 (pTemp+8, pEntry->iTop);
|
|
|
10666 |
mng_put_int32 (pTemp+12, pEntry->iBottom);
|
|
|
10667 |
mng_put_uint16 (pTemp+16, pEntry->iObjectid);
|
|
|
10668 |
pTemp += 18;
|
|
|
10669 |
iRawlen += 18;
|
|
|
10670 |
break;
|
|
|
10671 |
}
|
|
|
10672 |
case 5 :
|
|
|
10673 |
{
|
|
|
10674 |
mng_put_int32 (pTemp, pEntry->iLeft);
|
|
|
10675 |
mng_put_int32 (pTemp+4, pEntry->iRight);
|
|
|
10676 |
mng_put_int32 (pTemp+8, pEntry->iTop);
|
|
|
10677 |
mng_put_int32 (pTemp+12, pEntry->iBottom);
|
|
|
10678 |
mng_put_uint16 (pTemp+16, pEntry->iObjectid);
|
|
|
10679 |
*(pTemp+18) = pEntry->iIndex;
|
|
|
10680 |
pTemp += 19;
|
|
|
10681 |
iRawlen += 19;
|
|
|
10682 |
break;
|
|
|
10683 |
}
|
|
|
10684 |
}
|
|
|
10685 |
|
|
|
10686 |
iNamesize = pEntry->iSegmentnamesize;
|
|
|
10687 |
|
|
|
10688 |
if (iNamesize)
|
|
|
10689 |
{
|
|
|
10690 |
MNG_COPY (pTemp, pEntry->zSegmentname, iNamesize);
|
|
|
10691 |
pTemp += iNamesize;
|
|
|
10692 |
iRawlen += iNamesize;
|
|
|
10693 |
}
|
|
|
10694 |
|
|
|
10695 |
pEntry++;
|
|
|
10696 |
}
|
|
|
10697 |
/* and write it */
|
|
|
10698 |
iRetcode = write_raw_chunk (pData, pEVNT->sHeader.iChunkname,
|
|
|
10699 |
iRawlen, pRawdata);
|
|
|
10700 |
}
|
|
|
10701 |
|
|
|
10702 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10703 |
MNG_TRACE (pData, MNG_FN_WRITE_EVNT, MNG_LC_END);
|
|
|
10704 |
#endif
|
|
|
10705 |
|
|
|
10706 |
return iRetcode;
|
|
|
10707 |
}
|
|
|
10708 |
#endif
|
|
|
10709 |
|
|
|
10710 |
/* ************************************************************************** */
|
|
|
10711 |
|
|
|
10712 |
WRITE_CHUNK (mng_write_unknown)
|
|
|
10713 |
{
|
|
|
10714 |
mng_unknown_chunkp pUnknown;
|
|
|
10715 |
mng_retcode iRetcode;
|
|
|
10716 |
|
|
|
10717 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10718 |
MNG_TRACE (pData, MNG_FN_WRITE_UNKNOWN, MNG_LC_START);
|
|
|
10719 |
#endif
|
|
|
10720 |
/* address the proper chunk */
|
|
|
10721 |
pUnknown = (mng_unknown_chunkp)pChunk;
|
|
|
10722 |
/* and write it */
|
|
|
10723 |
iRetcode = write_raw_chunk (pData, pUnknown->sHeader.iChunkname,
|
|
|
10724 |
pUnknown->iDatasize, pUnknown->pData);
|
|
|
10725 |
|
|
|
10726 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
10727 |
MNG_TRACE (pData, MNG_FN_WRITE_UNKNOWN, MNG_LC_END);
|
|
|
10728 |
#endif
|
|
|
10729 |
|
|
|
10730 |
return iRetcode;
|
|
|
10731 |
}
|
|
|
10732 |
|
|
|
10733 |
/* ************************************************************************** */
|
|
|
10734 |
|
|
|
10735 |
#endif /* MNG_INCLUDE_WRITE_PROCS */
|
|
|
10736 |
|
|
|
10737 |
/* ************************************************************************** */
|
|
|
10738 |
/* * end of file * */
|
|
|
10739 |
/* ************************************************************************** */
|
|
|
10740 |
|