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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_display.c copyright (c) 2000-2007 G.Juyn * */
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/* * version : 1.0.10 * */
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/* * * */
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/* * purpose : Display management (implementation) * */
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/* * * */
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/* * author : G.Juyn * */
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/* * * */
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/* * comment : implementation of the display management routines * */
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/* * * */
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/* * changes : 0.5.1 - 05/08/2000 - G.Juyn * */
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/* * - changed strict-ANSI stuff * */
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/* * 0.5.1 - 05/11/2000 - G.Juyn * */
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/* * - added callback error-reporting support * */
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/* * - fixed frame_delay misalignment * */
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/* * 0.5.1 - 05/12/2000 - G.Juyn * */
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/* * - added sanity check for frozen status * */
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/* * - changed trace to macro for callback error-reporting * */
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/* * 0.5.1 - 05/13/2000 - G.Juyn * */
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/* * - changed display_mend to reset state to initial or SAVE * */
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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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/* * - added process_save & process_seek routines * */
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/* * 0.5.1 - 05/14/2000 - G.Juyn * */
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/* * - added save_state and restore_state for SAVE/SEEK/TERM * */
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/* * processing * */
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/* * * */
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/* * 0.5.2 - 05/20/2000 - G.Juyn * */
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/* * - added JNG support (JHDR/JDAT) * */
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/* * 0.5.2 - 05/23/2000 - G.Juyn * */
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/* * - fixed problem with DEFI clipping * */
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/* * 0.5.2 - 05/30/2000 - G.Juyn * */
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/* * - added delta-image support (DHDR,PROM,IPNG,IJNG) * */
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/* * 0.5.2 - 05/31/2000 - G.Juyn * */
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/* * - fixed pointer confusion (contributed by Tim Rowley) * */
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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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/* * 0.5.2 - 06/05/2000 - G.Juyn * */
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/* * - added support for RGB8_A8 canvasstyle * */
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/* * 0.5.2 - 06/09/2000 - G.Juyn * */
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/* * - fixed timer-handling to run with Mozilla (Tim Rowley) * */
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/* * 0.5.2 - 06/10/2000 - G.Juyn * */
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/* * - fixed some compilation-warnings (contrib Jason Morris) * */
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/* * * */
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/* * 0.5.3 - 06/12/2000 - G.Juyn * */
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/* * - fixed display of stored JNG images * */
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/* * 0.5.3 - 06/13/2000 - G.Juyn * */
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/* * - fixed problem with BASI-IEND as object 0 * */
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/* * 0.5.3 - 06/16/2000 - G.Juyn * */
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/* * - changed progressive-display processing * */
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/* * 0.5.3 - 06/17/2000 - G.Juyn * */
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/* * - changed delta-image processing * */
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/* * 0.5.3 - 06/20/2000 - G.Juyn * */
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/* * - fixed some minor stuff * */
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/* * 0.5.3 - 06/21/2000 - G.Juyn * */
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/* * - added speed-modifier to timing routine * */
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/* * 0.5.3 - 06/22/2000 - G.Juyn * */
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/* * - added support for PPLT chunk processing * */
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/* * 0.5.3 - 06/29/2000 - G.Juyn * */
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/* * - swapped refresh parameters * */
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/* * * */
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/* * 0.9.0 - 06/30/2000 - G.Juyn * */
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/* * - changed refresh parameters to 'x,y,width,height' * */
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/* * * */
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/* * 0.9.1 - 07/07/2000 - G.Juyn * */
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/* * - implemented support for freeze/reset/resume & go_xxxx * */
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/* * 0.9.1 - 07/08/2000 - G.Juyn * */
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/* * - added support for improved timing * */
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/* * 0.9.1 - 07/14/2000 - G.Juyn * */
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/* * - changed EOF processing behavior * */
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/* * - fixed TERM delay processing * */
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/* * 0.9.1 - 07/15/2000 - G.Juyn * */
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/* * - fixed freeze & reset processing * */
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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 - 07/24/2000 - 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 - 08/21/2000 - G.Juyn * */
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/* * - fixed TERM processing delay of 0 msecs * */
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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 - 09/10/2000 - G.Juyn * */
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/* * - fixed problem with no refresh after TERM * */
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/* * - fixed DEFI behavior * */
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/* * 0.9.3 - 09/16/2000 - G.Juyn * */
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/* * - fixed timing & refresh behavior for single PNG/JNG * */
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/* * 0.9.3 - 09/19/2000 - G.Juyn * */
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/* * - refixed timing & refresh behavior for single PNG/JNG * */
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/* * 0.9.3 - 10/02/2000 - G.Juyn * */
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/* * - fixed timing again (this is getting boring...) * */
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/* * - refixed problem with no refresh after TERM * */
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/* * 0.9.3 - 10/16/2000 - G.Juyn * */
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/* * - added JDAA chunk * */
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/* * 0.9.3 - 10/17/2000 - G.Juyn * */
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/* * - fixed support for bKGD * */
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/* * 0.9.3 - 10/18/2000 - G.Juyn * */
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/* * - fixed delta-processing behavior * */
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/* * 0.9.3 - 10/19/2000 - G.Juyn * */
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/* * - added storage for pixel-/alpha-sampledepth for delta's * */
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/* * 0.9.3 - 10/27/2000 - G.Juyn * */
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/* * - fixed separate read() & display() processing * */
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/* * * */
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/* * 0.9.4 - 10/31/2000 - G.Juyn * */
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/* * - fixed possible loop in display_resume() (Thanks Vova!) * */
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/* * 0.9.4 - 11/20/2000 - G.Juyn * */
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/* * - fixed unwanted repetition in mng_readdisplay() * */
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/* * 0.9.4 - 11/24/2000 - G.Juyn * */
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/* * - moved restore of object 0 to libmng_display * */
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/* * - added restore of object 0 to TERM processing !!! * */
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/* * - fixed TERM delay processing * */
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/* * - fixed TERM end processing (count = 0) * */
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/* * 0.9.4 - 12/16/2000 - G.Juyn * */
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/* * - fixed mixup of data- & function-pointers (thanks Dimitri)* */
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/* * 0.9.4 - 1/18/2001 - G.Juyn * */
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/* * - removed test filter-methods 1 & 65 * */
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/* * - set default level-set for filtertype=64 to all zeroes * */
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/* * * */
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/* * 0.9.5 - 1/20/2001 - G.Juyn * */
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/* * - fixed compiler-warnings Mozilla (thanks Tim) * */
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/* * 0.9.5 - 1/23/2001 - G.Juyn * */
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/* * - fixed timing-problem with switching framing_modes * */
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/* * * */
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/* * 1.0.1 - 02/08/2001 - G.Juyn * */
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/* * - added MEND processing callback * */
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/* * 1.0.1 - 02/13/2001 - G.Juyn * */
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/* * - fixed first FRAM_MODE=4 timing problem * */
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/* * 1.0.1 - 04/21/2001 - G.Juyn * */
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/* * - fixed memory-leak for JNGs with alpha (Thanks Gregg!) * */
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/* * - added BGRA8 canvas with premultiplied alpha * */
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/* * * */
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/* * 1.0.2 - 06/25/2001 - G.Juyn * */
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/* * - fixed memory-leak with delta-images (Thanks Michael!) * */
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/* * * */
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/* * 1.0.5 - 08/15/2002 - G.Juyn * */
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/* * - completed PROM support * */
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/* * - completed delta-image 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 - 09/13/2002 - G.Juyn * */
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/* * - fixed read/write of MAGN chunk * */
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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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/* * - fixed color-correction for restore-background handling * */
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/* * - optimized restore-background for bKGD cases * */
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/* * - cleaned up some old stuff * */
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/* * 1.0.5 - 09/20/2002 - G.Juyn * */
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/* * - finished support for BACK image & tiling * */
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/* * - added support for PAST * */
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/* * 1.0.5 - 09/22/2002 - G.Juyn * */
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/* * - added bgrx8 canvas (filler byte) * */
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/* * 1.0.5 - 10/05/2002 - G.Juyn * */
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/* * - fixed dropping mix of frozen/unfrozen objects * */
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/* * 1.0.5 - 10/07/2002 - G.Juyn * */
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/* * - added proposed change in handling of TERM- & if-delay * */
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/* * - added another fix for misplaced TERM chunk * */
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/* * - completed support for condition=2 in TERM chunk * */
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/* * 1.0.5 - 10/18/2002 - G.Juyn * */
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/* * - fixed clipping-problem with BACK tiling (Thanks Sakura!) * */
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/* * 1.0.5 - 10/20/2002 - G.Juyn * */
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/* * - fixed processing for multiple objects in MAGN * */
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/* * - fixed display of visible target of PAST operation * */
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/* * 1.0.5 - 10/30/2002 - G.Juyn * */
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/* * - modified TERM/MEND processing for max(1, TERM_delay, * */
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/* * interframe_delay) * */
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/* * 1.0.5 - 11/04/2002 - G.Juyn * */
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/* * - fixed layer- & frame-counting during read() * */
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/* * - fixed goframe/golayer/gotime processing * */
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/* * 1.0.5 - 01/19/2003 - G.Juyn * */
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/* * - B654627 - fixed SEGV when no gettickcount callback * */
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/* * - B664383 - fixed typo * */
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/* * - finalized changes in TERM/final_delay to elected proposal* */
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/* * * */
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/* * 1.0.6 - 05/11/2003 - G. Juyn * */
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/* * - added conditionals around canvas update routines * */
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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 - 07/07/2003 - G.R-P * */
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/* * - added conditionals around some JNG-supporting code * */
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/* * - added conditionals around 16-bit supporting code * */
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/* * - reversed some loops to use decrementing counter * */
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/* * - combined init functions into one function * */
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/* * 1.0.6 - 07/10/2003 - G.R-P * */
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/* * - replaced nested switches with simple init setup function * */
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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 - 11/27/2003 - R.A * */
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/* * - added CANVAS_RGB565 and CANVAS_BGR565 * */
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/* * 1.0.7 - 12/06/2003 - R.A * */
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/* * - added CANVAS_RGBA565 and CANVAS_BGRA565 * */
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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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/* * * */
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/* * 1.0.8 - 03/31/2004 - G.Juyn * */
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/* * - fixed problem with PAST usage where source > dest * */
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/* * 1.0.8 - 05/04/2004 - G.R-P. * */
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/* * - fixed misplaced 16-bit conditionals * */
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/* * * */
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/* * 1.0.9 - 09/18/2004 - G.R-P. * */
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/* * - revised some SKIPCHUNK conditionals * */
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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 - 10/14/2004 - G.Juyn * */
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/* * - added bgr565_a8 canvas-style (thanks to J. Elvander) * */
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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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/* * * */
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/* * 1.0.10 - 07/06/2005 - G.R-P. * */
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/* * - added more SKIPCHUNK conditionals * */
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/* * 1.0.10 - 12/28/2005 - G.R-P. * */
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/* * - added missing SKIPCHUNK_MAGN conditional * */
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/* * 1.0.10 - 03/07/2006 - (thanks to W. Manthey) * */
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/* * - added CANVAS_RGB555 and CANVAS_BGR555 * */
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/* * 1.0.10 - 04/08/2007 - G.Juyn * */
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/* * - fixed several compiler warnings * */
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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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/* * * */
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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_chunks.h"
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#include "libmng_objects.h"
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#include "libmng_object_prc.h"
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#include "libmng_memory.h"
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#include "libmng_zlib.h"
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#include "libmng_jpeg.h"
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#include "libmng_cms.h"
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#include "libmng_pixels.h"
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#include "libmng_display.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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#ifdef MNG_INCLUDE_DISPLAY_PROCS
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/* ************************************************************************** */
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MNG_LOCAL mng_retcode set_delay (mng_datap pData,
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mng_uint32 iInterval)
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{
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if (!iInterval) /* at least 1 msec please! */
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iInterval = 1;
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if (pData->bRunning) /* only when really displaying */
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if (!pData->fSettimer ((mng_handle)pData, iInterval))
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MNG_ERROR (pData, MNG_APPTIMERERROR);
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#ifdef MNG_SUPPORT_DYNAMICMNG
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if ((!pData->bDynamic) || (pData->bRunning))
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|
|
279 |
#else
|
|
|
280 |
if (pData->bRunning)
|
|
|
281 |
#endif
|
|
|
282 |
pData->bTimerset = MNG_TRUE; /* and indicate so */
|
|
|
283 |
|
|
|
284 |
return MNG_NOERROR;
|
|
|
285 |
}
|
|
|
286 |
|
|
|
287 |
/* ************************************************************************** */
|
|
|
288 |
|
|
|
289 |
MNG_LOCAL mng_uint32 calculate_delay (mng_datap pData,
|
|
|
290 |
mng_uint32 iDelay)
|
|
|
291 |
{
|
|
|
292 |
mng_uint32 iTicks = pData->iTicks;
|
|
|
293 |
mng_uint32 iWaitfor = 1; /* default non-MNG delay */
|
|
|
294 |
|
|
|
295 |
if (!iTicks) /* tick_count not specified ? */
|
|
|
296 |
if (pData->eImagetype == mng_it_mng)
|
|
|
297 |
iTicks = 1000;
|
|
|
298 |
|
|
|
299 |
if (iTicks)
|
|
|
300 |
{
|
|
|
301 |
switch (pData->iSpeed) /* honor speed modifier */
|
|
|
302 |
{
|
|
|
303 |
case mng_st_fast :
|
|
|
304 |
{
|
|
|
305 |
iWaitfor = (mng_uint32)(( 500 * iDelay) / iTicks);
|
|
|
306 |
break;
|
|
|
307 |
}
|
|
|
308 |
case mng_st_slow :
|
|
|
309 |
{
|
|
|
310 |
iWaitfor = (mng_uint32)((3000 * iDelay) / iTicks);
|
|
|
311 |
break;
|
|
|
312 |
}
|
|
|
313 |
case mng_st_slowest :
|
|
|
314 |
{
|
|
|
315 |
iWaitfor = (mng_uint32)((8000 * iDelay) / iTicks);
|
|
|
316 |
break;
|
|
|
317 |
}
|
|
|
318 |
default :
|
|
|
319 |
{
|
|
|
320 |
iWaitfor = (mng_uint32)((1000 * iDelay) / iTicks);
|
|
|
321 |
}
|
|
|
322 |
}
|
|
|
323 |
}
|
|
|
324 |
|
|
|
325 |
return iWaitfor;
|
|
|
326 |
}
|
|
|
327 |
|
|
|
328 |
/* ************************************************************************** */
|
|
|
329 |
/* * * */
|
|
|
330 |
/* * Progressive display refresh - does the call to the refresh callback * */
|
|
|
331 |
/* * and sets the timer to allow the app to perform the actual refresh to * */
|
|
|
332 |
/* * the screen (eg. process its main message-loop) * */
|
|
|
333 |
/* * * */
|
|
|
334 |
/* ************************************************************************** */
|
|
|
335 |
|
|
|
336 |
mng_retcode mng_display_progressive_refresh (mng_datap pData,
|
|
|
337 |
mng_uint32 iInterval)
|
|
|
338 |
{
|
|
|
339 |
{ /* let the app refresh first ? */
|
|
|
340 |
if ((pData->bRunning) && (!pData->bSkipping) &&
|
|
|
341 |
(pData->iUpdatetop < pData->iUpdatebottom) && (pData->iUpdateleft < pData->iUpdateright))
|
|
|
342 |
{
|
|
|
343 |
if (!pData->fRefresh (((mng_handle)pData),
|
|
|
344 |
pData->iUpdateleft, pData->iUpdatetop,
|
|
|
345 |
pData->iUpdateright - pData->iUpdateleft,
|
|
|
346 |
pData->iUpdatebottom - pData->iUpdatetop))
|
|
|
347 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
348 |
|
|
|
349 |
pData->iUpdateleft = 0; /* reset update-region */
|
|
|
350 |
pData->iUpdateright = 0;
|
|
|
351 |
pData->iUpdatetop = 0;
|
|
|
352 |
pData->iUpdatebottom = 0; /* reset refreshneeded indicator */
|
|
|
353 |
pData->bNeedrefresh = MNG_FALSE;
|
|
|
354 |
/* interval requested ? */
|
|
|
355 |
if ((!pData->bFreezing) && (iInterval))
|
|
|
356 |
{ /* setup the timer */
|
|
|
357 |
mng_retcode iRetcode = set_delay (pData, iInterval);
|
|
|
358 |
|
|
|
359 |
if (iRetcode) /* on error bail out */
|
|
|
360 |
return iRetcode;
|
|
|
361 |
}
|
|
|
362 |
}
|
|
|
363 |
}
|
|
|
364 |
|
|
|
365 |
return MNG_NOERROR;
|
|
|
366 |
}
|
|
|
367 |
|
|
|
368 |
/* ************************************************************************** */
|
|
|
369 |
/* * * */
|
|
|
370 |
/* * Generic display routines * */
|
|
|
371 |
/* * * */
|
|
|
372 |
/* ************************************************************************** */
|
|
|
373 |
|
|
|
374 |
MNG_LOCAL mng_retcode interframe_delay (mng_datap pData)
|
|
|
375 |
{
|
|
|
376 |
mng_uint32 iWaitfor = 0;
|
|
|
377 |
mng_uint32 iInterval;
|
|
|
378 |
mng_uint32 iRuninterval;
|
|
|
379 |
mng_retcode iRetcode;
|
|
|
380 |
|
|
|
381 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
382 |
MNG_TRACE (pData, MNG_FN_INTERFRAME_DELAY, MNG_LC_START);
|
|
|
383 |
#endif
|
|
|
384 |
|
|
|
385 |
{
|
|
|
386 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
387 |
if (pData->iFramedelay > 0 || pData->bForcedelay) /* real delay ? */
|
|
|
388 |
{ /* let the app refresh first ? */
|
|
|
389 |
pData->bForcedelay = MNG_FALSE;
|
|
|
390 |
if ((pData->bRunning) && (!pData->bSkipping) &&
|
|
|
391 |
(pData->iUpdatetop < pData->iUpdatebottom) && (pData->iUpdateleft < pData->iUpdateright))
|
|
|
392 |
if (!pData->fRefresh (((mng_handle)pData),
|
|
|
393 |
pData->iUpdateleft, pData->iUpdatetop,
|
|
|
394 |
pData->iUpdateright - pData->iUpdateleft,
|
|
|
395 |
pData->iUpdatebottom - pData->iUpdatetop))
|
|
|
396 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
397 |
|
|
|
398 |
pData->iUpdateleft = 0; /* reset update-region */
|
|
|
399 |
pData->iUpdateright = 0;
|
|
|
400 |
pData->iUpdatetop = 0;
|
|
|
401 |
pData->iUpdatebottom = 0; /* reset refreshneeded indicator */
|
|
|
402 |
pData->bNeedrefresh = MNG_FALSE;
|
|
|
403 |
|
|
|
404 |
#ifndef MNG_SKIPCHUNK_TERM
|
|
|
405 |
if (pData->bOnlyfirstframe) /* only processing first frame after TERM ? */
|
|
|
406 |
{
|
|
|
407 |
pData->iFramesafterTERM++;
|
|
|
408 |
/* did we do a frame yet ? */
|
|
|
409 |
if (pData->iFramesafterTERM > 1)
|
|
|
410 |
{ /* then that's it; just stop right here ! */
|
|
|
411 |
pData->pCurraniobj = MNG_NULL;
|
|
|
412 |
pData->bRunning = MNG_FALSE;
|
|
|
413 |
|
|
|
414 |
return MNG_NOERROR;
|
|
|
415 |
}
|
|
|
416 |
}
|
|
|
417 |
#endif
|
|
|
418 |
|
|
|
419 |
if (pData->fGettickcount)
|
|
|
420 |
{ /* get current tickcount */
|
|
|
421 |
pData->iRuntime = pData->fGettickcount ((mng_handle)pData);
|
|
|
422 |
/* calculate interval since last sync-point */
|
|
|
423 |
if (pData->iRuntime < pData->iSynctime)
|
|
|
424 |
iRuninterval = pData->iRuntime + ~pData->iSynctime + 1;
|
|
|
425 |
else
|
|
|
426 |
iRuninterval = pData->iRuntime - pData->iSynctime;
|
|
|
427 |
/* calculate actual run-time */
|
|
|
428 |
if (pData->iRuntime < pData->iStarttime)
|
|
|
429 |
pData->iRuntime = pData->iRuntime + ~pData->iStarttime + 1;
|
|
|
430 |
else
|
|
|
431 |
pData->iRuntime = pData->iRuntime - pData->iStarttime;
|
|
|
432 |
}
|
|
|
433 |
else
|
|
|
434 |
{
|
|
|
435 |
iRuninterval = 0;
|
|
|
436 |
}
|
|
|
437 |
|
|
|
438 |
iWaitfor = calculate_delay (pData, pData->iFramedelay);
|
|
|
439 |
|
|
|
440 |
if (iWaitfor > iRuninterval) /* delay necessary ? */
|
|
|
441 |
iInterval = iWaitfor - iRuninterval;
|
|
|
442 |
else
|
|
|
443 |
iInterval = 1; /* force app to process messageloop */
|
|
|
444 |
/* set the timer ? */
|
|
|
445 |
if (((pData->bRunning) || (pData->bSearching) || (pData->bReading)) &&
|
|
|
446 |
(!pData->bSkipping))
|
|
|
447 |
{
|
|
|
448 |
iRetcode = set_delay (pData, iInterval);
|
|
|
449 |
|
|
|
450 |
if (iRetcode) /* on error bail out */
|
|
|
451 |
return iRetcode;
|
|
|
452 |
}
|
|
|
453 |
}
|
|
|
454 |
|
|
|
455 |
if (!pData->bSkipping) /* increase frametime in advance */
|
|
|
456 |
pData->iFrametime = pData->iFrametime + iWaitfor;
|
|
|
457 |
/* setup for next delay */
|
|
|
458 |
pData->iFramedelay = pData->iNextdelay;
|
|
|
459 |
pData->iAccumdelay += pData->iFramedelay;
|
|
|
460 |
#endif
|
|
|
461 |
}
|
|
|
462 |
|
|
|
463 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
464 |
MNG_TRACE (pData, MNG_FN_INTERFRAME_DELAY, MNG_LC_END);
|
|
|
465 |
#endif
|
|
|
466 |
|
|
|
467 |
return MNG_NOERROR;
|
|
|
468 |
}
|
|
|
469 |
|
|
|
470 |
/* ************************************************************************** */
|
|
|
471 |
|
|
|
472 |
MNG_LOCAL void set_display_routine (mng_datap pData)
|
|
|
473 |
{ /* actively running ? */
|
|
|
474 |
if (((pData->bRunning) || (pData->bSearching)) && (!pData->bSkipping))
|
|
|
475 |
{
|
|
|
476 |
switch (pData->iCanvasstyle) /* determine display routine */
|
|
|
477 |
{
|
|
|
478 |
#ifndef MNG_SKIPCANVAS_RGB8
|
|
|
479 |
case MNG_CANVAS_RGB8 : { pData->fDisplayrow = (mng_fptr)mng_display_rgb8; break; }
|
|
|
480 |
#endif
|
|
|
481 |
#ifndef MNG_SKIPCANVAS_RGBA8
|
|
|
482 |
case MNG_CANVAS_RGBA8 : { pData->fDisplayrow = (mng_fptr)mng_display_rgba8; break; }
|
|
|
483 |
#endif
|
|
|
484 |
#ifndef MNG_SKIPCANVAS_RGBA8_PM
|
|
|
485 |
case MNG_CANVAS_RGBA8_PM: { pData->fDisplayrow = (mng_fptr)mng_display_rgba8_pm; break; }
|
|
|
486 |
#endif
|
|
|
487 |
#ifndef MNG_SKIPCANVAS_ARGB8
|
|
|
488 |
case MNG_CANVAS_ARGB8 : { pData->fDisplayrow = (mng_fptr)mng_display_argb8; break; }
|
|
|
489 |
#endif
|
|
|
490 |
#ifndef MNG_SKIPCANVAS_ARGB8_PM
|
|
|
491 |
case MNG_CANVAS_ARGB8_PM: { pData->fDisplayrow = (mng_fptr)mng_display_argb8_pm; break; }
|
|
|
492 |
#endif
|
|
|
493 |
#ifndef MNG_SKIPCANVAS_RGB8_A8
|
|
|
494 |
case MNG_CANVAS_RGB8_A8 : { pData->fDisplayrow = (mng_fptr)mng_display_rgb8_a8; break; }
|
|
|
495 |
#endif
|
|
|
496 |
#ifndef MNG_SKIPCANVAS_BGR8
|
|
|
497 |
case MNG_CANVAS_BGR8 : { pData->fDisplayrow = (mng_fptr)mng_display_bgr8; break; }
|
|
|
498 |
#endif
|
|
|
499 |
#ifndef MNG_SKIPCANVAS_BGRX8
|
|
|
500 |
case MNG_CANVAS_BGRX8 : { pData->fDisplayrow = (mng_fptr)mng_display_bgrx8; break; }
|
|
|
501 |
#endif
|
|
|
502 |
#ifndef MNG_SKIPCANVAS_BGRA8
|
|
|
503 |
case MNG_CANVAS_BGRA8 : { pData->fDisplayrow = (mng_fptr)mng_display_bgra8; break; }
|
|
|
504 |
#endif
|
|
|
505 |
#ifndef MNG_SKIPCANVAS_BGRA8_PM
|
|
|
506 |
case MNG_CANVAS_BGRA8_PM: { pData->fDisplayrow = (mng_fptr)mng_display_bgra8_pm; break; }
|
|
|
507 |
#endif
|
|
|
508 |
#ifndef MNG_SKIPCANVAS_ABGR8
|
|
|
509 |
case MNG_CANVAS_ABGR8 : { pData->fDisplayrow = (mng_fptr)mng_display_abgr8; break; }
|
|
|
510 |
#endif
|
|
|
511 |
#ifndef MNG_SKIPCANVAS_ABGR8_PM
|
|
|
512 |
case MNG_CANVAS_ABGR8_PM: { pData->fDisplayrow = (mng_fptr)mng_display_abgr8_pm; break; }
|
|
|
513 |
#endif
|
|
|
514 |
#ifndef MNG_SKIPCANVAS_RGB565
|
|
|
515 |
case MNG_CANVAS_RGB565 : { pData->fDisplayrow = (mng_fptr)mng_display_rgb565; break; }
|
|
|
516 |
#endif
|
|
|
517 |
#ifndef MNG_SKIPCANVAS_RGBA565
|
|
|
518 |
case MNG_CANVAS_RGBA565 : { pData->fDisplayrow = (mng_fptr)mng_display_rgba565; break; }
|
|
|
519 |
#endif
|
|
|
520 |
#ifndef MNG_SKIPCANVAS_BGR565
|
|
|
521 |
case MNG_CANVAS_BGR565 : { pData->fDisplayrow = (mng_fptr)mng_display_bgr565; break; }
|
|
|
522 |
#endif
|
|
|
523 |
#ifndef MNG_SKIPCANVAS_BGRA565
|
|
|
524 |
case MNG_CANVAS_BGRA565 : { pData->fDisplayrow = (mng_fptr)mng_display_bgra565; break; }
|
|
|
525 |
#endif
|
|
|
526 |
#ifndef MNG_SKIPCANVAS_BGR565_A8
|
|
|
527 |
case MNG_CANVAS_BGR565_A8 : { pData->fDisplayrow = (mng_fptr)mng_display_bgr565_a8; break; }
|
|
|
528 |
#endif
|
|
|
529 |
#ifndef MNG_SKIPCANVAS_RGB555
|
|
|
530 |
case MNG_CANVAS_RGB555 : { pData->fDisplayrow = (mng_fptr)mng_display_rgb555; break; }
|
|
|
531 |
#endif
|
|
|
532 |
#ifndef MNG_SKIPCANVAS_BGR555
|
|
|
533 |
case MNG_CANVAS_BGR555 : { pData->fDisplayrow = (mng_fptr)mng_display_bgr555; break; }
|
|
|
534 |
#endif
|
|
|
535 |
|
|
|
536 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
537 |
/* case MNG_CANVAS_RGB16 : { pData->fDisplayrow = (mng_fptr)mng_display_rgb16; break; } */
|
|
|
538 |
/* case MNG_CANVAS_RGBA16 : { pData->fDisplayrow = (mng_fptr)mng_display_rgba16; break; } */
|
|
|
539 |
/* case MNG_CANVAS_ARGB16 : { pData->fDisplayrow = (mng_fptr)mng_display_argb16; break; } */
|
|
|
540 |
/* case MNG_CANVAS_BGR16 : { pData->fDisplayrow = (mng_fptr)mng_display_bgr16; break; } */
|
|
|
541 |
/* case MNG_CANVAS_BGRA16 : { pData->fDisplayrow = (mng_fptr)mng_display_bgra16; break; } */
|
|
|
542 |
/* case MNG_CANVAS_ABGR16 : { pData->fDisplayrow = (mng_fptr)mng_display_abgr16; break; } */
|
|
|
543 |
#endif
|
|
|
544 |
/* case MNG_CANVAS_INDEX8 : { pData->fDisplayrow = (mng_fptr)mng_display_index8; break; } */
|
|
|
545 |
/* case MNG_CANVAS_INDEXA8 : { pData->fDisplayrow = (mng_fptr)mng_display_indexa8; break; } */
|
|
|
546 |
/* case MNG_CANVAS_AINDEX8 : { pData->fDisplayrow = (mng_fptr)mng_display_aindex8; break; } */
|
|
|
547 |
/* case MNG_CANVAS_GRAY8 : { pData->fDisplayrow = (mng_fptr)mng_display_gray8; break; } */
|
|
|
548 |
/* case MNG_CANVAS_AGRAY8 : { pData->fDisplayrow = (mng_fptr)mng_display_agray8; break; } */
|
|
|
549 |
/* case MNG_CANVAS_GRAYA8 : { pData->fDisplayrow = (mng_fptr)mng_display_graya8; break; } */
|
|
|
550 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
551 |
/* case MNG_CANVAS_GRAY16 : { pData->fDisplayrow = (mng_fptr)mng_display_gray16; break; } */
|
|
|
552 |
/* case MNG_CANVAS_GRAYA16 : { pData->fDisplayrow = (mng_fptr)mng_display_graya16; break; } */
|
|
|
553 |
/* case MNG_CANVAS_AGRAY16 : { pData->fDisplayrow = (mng_fptr)mng_display_agray16; break; } */
|
|
|
554 |
#endif
|
|
|
555 |
/* case MNG_CANVAS_DX15 : { pData->fDisplayrow = (mng_fptr)mng_display_dx15; break; } */
|
|
|
556 |
/* case MNG_CANVAS_DX16 : { pData->fDisplayrow = (mng_fptr)mng_display_dx16; break; } */
|
|
|
557 |
}
|
|
|
558 |
}
|
|
|
559 |
|
|
|
560 |
return;
|
|
|
561 |
}
|
|
|
562 |
|
|
|
563 |
/* ************************************************************************** */
|
|
|
564 |
|
|
|
565 |
MNG_LOCAL mng_retcode load_bkgdlayer (mng_datap pData)
|
|
|
566 |
{
|
|
|
567 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
568 |
MNG_TRACE (pData, MNG_FN_LOAD_BKGDLAYER, MNG_LC_START);
|
|
|
569 |
#endif
|
|
|
570 |
/* actively running ? */
|
|
|
571 |
if (((pData->bRunning) || (pData->bSearching)) && (!pData->bSkipping))
|
|
|
572 |
{
|
|
|
573 |
mng_int32 iY;
|
|
|
574 |
mng_retcode iRetcode;
|
|
|
575 |
mng_bool bColorcorr = MNG_FALSE;
|
|
|
576 |
/* save values */
|
|
|
577 |
mng_int32 iDestl = pData->iDestl;
|
|
|
578 |
mng_int32 iDestr = pData->iDestr;
|
|
|
579 |
mng_int32 iDestt = pData->iDestt;
|
|
|
580 |
mng_int32 iDestb = pData->iDestb;
|
|
|
581 |
mng_int32 iSourcel = pData->iSourcel;
|
|
|
582 |
mng_int32 iSourcer = pData->iSourcer;
|
|
|
583 |
mng_int32 iSourcet = pData->iSourcet;
|
|
|
584 |
mng_int32 iSourceb = pData->iSourceb;
|
|
|
585 |
mng_int8 iPass = pData->iPass;
|
|
|
586 |
mng_int32 iRow = pData->iRow;
|
|
|
587 |
mng_int32 iRowinc = pData->iRowinc;
|
|
|
588 |
mng_int32 iCol = pData->iCol;
|
|
|
589 |
mng_int32 iColinc = pData->iColinc;
|
|
|
590 |
mng_int32 iRowsamples = pData->iRowsamples;
|
|
|
591 |
mng_int32 iRowsize = pData->iRowsize;
|
|
|
592 |
mng_uint8p pPrevrow = pData->pPrevrow;
|
|
|
593 |
mng_uint8p pRGBArow = pData->pRGBArow;
|
|
|
594 |
mng_bool bIsRGBA16 = pData->bIsRGBA16;
|
|
|
595 |
mng_bool bIsOpaque = pData->bIsOpaque;
|
|
|
596 |
mng_fptr fCorrectrow = pData->fCorrectrow;
|
|
|
597 |
mng_fptr fDisplayrow = pData->fDisplayrow;
|
|
|
598 |
mng_fptr fRetrieverow = pData->fRetrieverow;
|
|
|
599 |
mng_objectp pCurrentobj = pData->pCurrentobj;
|
|
|
600 |
mng_objectp pRetrieveobj = pData->pRetrieveobj;
|
|
|
601 |
|
|
|
602 |
pData->iDestl = 0; /* determine clipping region */
|
|
|
603 |
pData->iDestt = 0;
|
|
|
604 |
pData->iDestr = pData->iWidth;
|
|
|
605 |
pData->iDestb = pData->iHeight;
|
|
|
606 |
|
|
|
607 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
608 |
if (pData->bFrameclipping) /* frame clipping specified ? */
|
|
|
609 |
{
|
|
|
610 |
pData->iDestl = MAX_COORD (pData->iDestl, pData->iFrameclipl);
|
|
|
611 |
pData->iDestt = MAX_COORD (pData->iDestt, pData->iFrameclipt);
|
|
|
612 |
pData->iDestr = MIN_COORD (pData->iDestr, pData->iFrameclipr);
|
|
|
613 |
pData->iDestb = MIN_COORD (pData->iDestb, pData->iFrameclipb);
|
|
|
614 |
}
|
|
|
615 |
#endif
|
|
|
616 |
/* anything to clear ? */
|
|
|
617 |
if ((pData->iDestr >= pData->iDestl) && (pData->iDestb >= pData->iDestt))
|
|
|
618 |
{
|
|
|
619 |
pData->iPass = -1; /* these are the object's dimensions now */
|
|
|
620 |
pData->iRow = 0;
|
|
|
621 |
pData->iRowinc = 1;
|
|
|
622 |
pData->iCol = 0;
|
|
|
623 |
pData->iColinc = 1;
|
|
|
624 |
pData->iRowsamples = pData->iWidth;
|
|
|
625 |
pData->iRowsize = pData->iRowsamples << 2;
|
|
|
626 |
pData->bIsRGBA16 = MNG_FALSE; /* let's keep it simple ! */
|
|
|
627 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
628 |
|
|
|
629 |
pData->iSourcel = 0; /* source relative to destination */
|
|
|
630 |
pData->iSourcer = pData->iDestr - pData->iDestl;
|
|
|
631 |
pData->iSourcet = 0;
|
|
|
632 |
pData->iSourceb = pData->iDestb - pData->iDestt;
|
|
|
633 |
|
|
|
634 |
set_display_routine (pData); /* determine display routine */
|
|
|
635 |
/* default restore using preset BG color */
|
|
|
636 |
pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_bgcolor;
|
|
|
637 |
|
|
|
638 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
|
639 |
if (((pData->eImagetype == mng_it_png) || (pData->eImagetype == mng_it_jng)) &&
|
|
|
640 |
(pData->bUseBKGD))
|
|
|
641 |
{ /* prefer bKGD in PNG/JNG */
|
|
|
642 |
if (!pData->pCurrentobj)
|
|
|
643 |
pData->pCurrentobj = pData->pObjzero;
|
|
|
644 |
|
|
|
645 |
if (((mng_imagep)pData->pCurrentobj)->pImgbuf->bHasBKGD)
|
|
|
646 |
{
|
|
|
647 |
pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_bkgd;
|
|
|
648 |
bColorcorr = MNG_TRUE;
|
|
|
649 |
}
|
|
|
650 |
}
|
|
|
651 |
#endif
|
|
|
652 |
|
|
|
653 |
if (pData->fGetbkgdline) /* background-canvas-access callback set ? */
|
|
|
654 |
{
|
|
|
655 |
switch (pData->iBkgdstyle)
|
|
|
656 |
{
|
|
|
657 |
#ifndef MNG_SKIPCANVAS_RGB8
|
|
|
658 |
case MNG_CANVAS_RGB8 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_rgb8; break; }
|
|
|
659 |
#endif
|
|
|
660 |
#ifndef MNG_SKIPCANVAS_BGR8
|
|
|
661 |
case MNG_CANVAS_BGR8 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_bgr8; break; }
|
|
|
662 |
#endif
|
|
|
663 |
#ifndef MNG_SKIPCANVAS_BGRX8
|
|
|
664 |
case MNG_CANVAS_BGRX8 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_bgrx8; break; }
|
|
|
665 |
#endif
|
|
|
666 |
#ifndef MNG_SKIPCANVAS_BGR565
|
|
|
667 |
case MNG_CANVAS_BGR565 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_bgr565; break; }
|
|
|
668 |
#endif
|
|
|
669 |
#ifndef MNG_SKIPCANVAS_RGB565
|
|
|
670 |
case MNG_CANVAS_RGB565 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_rgb565; break; }
|
|
|
671 |
#endif
|
|
|
672 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
673 |
/* case MNG_CANVAS_RGB16 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_rgb16; break; } */
|
|
|
674 |
/* case MNG_CANVAS_BGR16 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_bgr16; break; } */
|
|
|
675 |
#endif
|
|
|
676 |
/* case MNG_CANVAS_INDEX8 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_index8; break; } */
|
|
|
677 |
/* case MNG_CANVAS_GRAY8 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_gray8; break; } */
|
|
|
678 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
679 |
/* case MNG_CANVAS_GRAY16 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_gray16; break; } */
|
|
|
680 |
#endif
|
|
|
681 |
/* case MNG_CANVAS_DX15 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_dx15; break; } */
|
|
|
682 |
/* case MNG_CANVAS_DX16 : { pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_dx16; break; } */
|
|
|
683 |
}
|
|
|
684 |
}
|
|
|
685 |
|
|
|
686 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
|
687 |
if (pData->bHasBACK)
|
|
|
688 |
{ /* background image ? */
|
|
|
689 |
if ((pData->iBACKmandatory & 0x02) && (pData->iBACKimageid))
|
|
|
690 |
{
|
|
|
691 |
pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_backcolor;
|
|
|
692 |
bColorcorr = MNG_TRUE;
|
|
|
693 |
}
|
|
|
694 |
else /* background color ? */
|
|
|
695 |
if (pData->iBACKmandatory & 0x01)
|
|
|
696 |
{
|
|
|
697 |
pData->fRestbkgdrow = (mng_fptr)mng_restore_bkgd_backcolor;
|
|
|
698 |
bColorcorr = MNG_TRUE;
|
|
|
699 |
}
|
|
|
700 |
}
|
|
|
701 |
#endif
|
|
|
702 |
|
|
|
703 |
pData->fCorrectrow = MNG_NULL; /* default no color-correction */
|
|
|
704 |
|
|
|
705 |
if (bColorcorr) /* do we have to do color-correction ? */
|
|
|
706 |
{
|
|
|
707 |
#ifdef MNG_NO_CMS
|
|
|
708 |
iRetcode = MNG_NOERROR;
|
|
|
709 |
#else
|
|
|
710 |
#if defined(MNG_FULL_CMS) /* determine color-management routine */
|
|
|
711 |
iRetcode = mng_init_full_cms (pData, MNG_TRUE, MNG_FALSE, MNG_FALSE);
|
|
|
712 |
#elif defined(MNG_GAMMA_ONLY)
|
|
|
713 |
iRetcode = mng_init_gamma_only (pData, MNG_TRUE, MNG_FALSE, MNG_FALSE);
|
|
|
714 |
#elif defined(MNG_APP_CMS)
|
|
|
715 |
iRetcode = mng_init_app_cms (pData, MNG_TRUE, MNG_FALSE, MNG_FALSE);
|
|
|
716 |
#endif
|
|
|
717 |
if (iRetcode) /* on error bail out */
|
|
|
718 |
return iRetcode;
|
|
|
719 |
#endif /* MNG_NO_CMS */
|
|
|
720 |
}
|
|
|
721 |
/* get a temporary row-buffer */
|
|
|
722 |
MNG_ALLOC (pData, pData->pRGBArow, pData->iRowsize);
|
|
|
723 |
|
|
|
724 |
iY = pData->iDestt; /* this is where we start */
|
|
|
725 |
iRetcode = MNG_NOERROR; /* so far, so good */
|
|
|
726 |
|
|
|
727 |
while ((!iRetcode) && (iY < pData->iDestb))
|
|
|
728 |
{ /* restore a background row */
|
|
|
729 |
iRetcode = ((mng_restbkgdrow)pData->fRestbkgdrow) (pData);
|
|
|
730 |
/* color correction ? */
|
|
|
731 |
if ((!iRetcode) && (pData->fCorrectrow))
|
|
|
732 |
iRetcode = ((mng_correctrow)pData->fCorrectrow) (pData);
|
|
|
733 |
|
|
|
734 |
if (!iRetcode) /* so... display it */
|
|
|
735 |
iRetcode = ((mng_displayrow)pData->fDisplayrow) (pData);
|
|
|
736 |
|
|
|
737 |
if (!iRetcode)
|
|
|
738 |
iRetcode = mng_next_row (pData);
|
|
|
739 |
|
|
|
740 |
iY++; /* and next line */
|
|
|
741 |
}
|
|
|
742 |
/* drop the temporary row-buffer */
|
|
|
743 |
MNG_FREE (pData, pData->pRGBArow, pData->iRowsize);
|
|
|
744 |
|
|
|
745 |
if (iRetcode) /* on error bail out */
|
|
|
746 |
return iRetcode;
|
|
|
747 |
|
|
|
748 |
#if defined(MNG_FULL_CMS) /* cleanup cms stuff */
|
|
|
749 |
if (bColorcorr) /* did we do color-correction ? */
|
|
|
750 |
{
|
|
|
751 |
iRetcode = mng_clear_cms (pData);
|
|
|
752 |
|
|
|
753 |
if (iRetcode) /* on error bail out */
|
|
|
754 |
return iRetcode;
|
|
|
755 |
}
|
|
|
756 |
#endif
|
|
|
757 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
|
758 |
/* background image ? */
|
|
|
759 |
if ((pData->bHasBACK) && (pData->iBACKmandatory & 0x02) && (pData->iBACKimageid))
|
|
|
760 |
{
|
|
|
761 |
mng_imagep pImage;
|
|
|
762 |
/* let's find that object then */
|
|
|
763 |
pData->pRetrieveobj = mng_find_imageobject (pData, pData->iBACKimageid);
|
|
|
764 |
pImage = (mng_imagep)pData->pRetrieveobj;
|
|
|
765 |
/* exists, viewable and visible ? */
|
|
|
766 |
if ((pImage) && (pImage->bViewable) && (pImage->bVisible))
|
|
|
767 |
{ /* will it fall within the target region ? */
|
|
|
768 |
if ((pImage->iPosx < pData->iDestr) && (pImage->iPosy < pData->iDestb) &&
|
|
|
769 |
((pData->iBACKtile) ||
|
|
|
770 |
((pImage->iPosx + (mng_int32)pImage->pImgbuf->iWidth >= pData->iDestl) &&
|
|
|
771 |
(pImage->iPosy + (mng_int32)pImage->pImgbuf->iHeight >= pData->iDestt) )) &&
|
|
|
772 |
((!pImage->bClipped) ||
|
|
|
773 |
((pImage->iClipl <= pImage->iClipr) && (pImage->iClipt <= pImage->iClipb) &&
|
|
|
774 |
(pImage->iClipl < pData->iDestr) && (pImage->iClipr >= pData->iDestl) &&
|
|
|
775 |
(pImage->iClipt < pData->iDestb) && (pImage->iClipb >= pData->iDestt) )))
|
|
|
776 |
{ /* right; we've got ourselves something to do */
|
|
|
777 |
if (pImage->bClipped) /* clip output region with image's clipping region ? */
|
|
|
778 |
{
|
|
|
779 |
if (pImage->iClipl > pData->iDestl)
|
|
|
780 |
pData->iDestl = pImage->iClipl;
|
|
|
781 |
if (pImage->iClipr < pData->iDestr)
|
|
|
782 |
pData->iDestr = pImage->iClipr;
|
|
|
783 |
if (pImage->iClipt > pData->iDestt)
|
|
|
784 |
pData->iDestt = pImage->iClipt;
|
|
|
785 |
if (pImage->iClipb < pData->iDestb)
|
|
|
786 |
pData->iDestb = pImage->iClipb;
|
|
|
787 |
}
|
|
|
788 |
/* image offset does some extra clipping too ! */
|
|
|
789 |
if (pImage->iPosx > pData->iDestl)
|
|
|
790 |
pData->iDestl = pImage->iPosx;
|
|
|
791 |
if (pImage->iPosy > pData->iDestt)
|
|
|
792 |
pData->iDestt = pImage->iPosy;
|
|
|
793 |
|
|
|
794 |
if (!pData->iBACKtile) /* without tiling further clipping is needed */
|
|
|
795 |
{
|
|
|
796 |
if (pImage->iPosx + (mng_int32)pImage->pImgbuf->iWidth < pData->iDestr)
|
|
|
797 |
pData->iDestr = pImage->iPosx + (mng_int32)pImage->pImgbuf->iWidth;
|
|
|
798 |
if (pImage->iPosy + (mng_int32)pImage->pImgbuf->iHeight < pData->iDestb)
|
|
|
799 |
pData->iDestb = pImage->iPosy + (mng_int32)pImage->pImgbuf->iHeight;
|
|
|
800 |
}
|
|
|
801 |
|
|
|
802 |
pData->iSourcel = 0; /* source relative to destination */
|
|
|
803 |
pData->iSourcer = pData->iDestr - pData->iDestl;
|
|
|
804 |
pData->iSourcet = 0;
|
|
|
805 |
pData->iSourceb = pData->iDestb - pData->iDestt;
|
|
|
806 |
/* 16-bit background ? */
|
|
|
807 |
|
|
|
808 |
#ifdef MNG_NO_16BIT_SUPPORT
|
|
|
809 |
pData->bIsRGBA16 = MNG_FALSE;
|
|
|
810 |
#else
|
|
|
811 |
pData->bIsRGBA16 = (mng_bool)(pImage->pImgbuf->iBitdepth > 8);
|
|
|
812 |
#endif
|
|
|
813 |
/* let restore routine know the offsets !!! */
|
|
|
814 |
pData->iBackimgoffsx = pImage->iPosx;
|
|
|
815 |
pData->iBackimgoffsy = pImage->iPosy;
|
|
|
816 |
pData->iBackimgwidth = pImage->pImgbuf->iWidth;
|
|
|
817 |
pData->iBackimgheight = pImage->pImgbuf->iHeight;
|
|
|
818 |
pData->iRow = 0; /* start at the top again !! */
|
|
|
819 |
/* determine background object retrieval routine */
|
|
|
820 |
switch (pImage->pImgbuf->iColortype)
|
|
|
821 |
{
|
|
|
822 |
case 0 : {
|
|
|
823 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
824 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
825 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g16;
|
|
|
826 |
else
|
|
|
827 |
#endif
|
|
|
828 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g8;
|
|
|
829 |
|
|
|
830 |
pData->bIsOpaque = (mng_bool)(!pImage->pImgbuf->bHasTRNS);
|
|
|
831 |
break;
|
|
|
832 |
}
|
|
|
833 |
|
|
|
834 |
case 2 : {
|
|
|
835 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
836 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
837 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb16;
|
|
|
838 |
else
|
|
|
839 |
#endif
|
|
|
840 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb8;
|
|
|
841 |
|
|
|
842 |
pData->bIsOpaque = (mng_bool)(!pImage->pImgbuf->bHasTRNS);
|
|
|
843 |
break;
|
|
|
844 |
}
|
|
|
845 |
|
|
|
846 |
case 3 : { pData->fRetrieverow = (mng_fptr)mng_retrieve_idx8;
|
|
|
847 |
pData->bIsOpaque = (mng_bool)(!pImage->pImgbuf->bHasTRNS);
|
|
|
848 |
break;
|
|
|
849 |
}
|
|
|
850 |
|
|
|
851 |
case 4 : {
|
|
|
852 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
853 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
854 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga16;
|
|
|
855 |
else
|
|
|
856 |
#endif
|
|
|
857 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga8;
|
|
|
858 |
|
|
|
859 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
860 |
break;
|
|
|
861 |
}
|
|
|
862 |
|
|
|
863 |
case 6 : {
|
|
|
864 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
865 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
866 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba16;
|
|
|
867 |
else
|
|
|
868 |
#endif
|
|
|
869 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba8;
|
|
|
870 |
|
|
|
871 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
872 |
break;
|
|
|
873 |
}
|
|
|
874 |
|
|
|
875 |
case 8 : {
|
|
|
876 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
877 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
878 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g16;
|
|
|
879 |
else
|
|
|
880 |
#endif
|
|
|
881 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g8;
|
|
|
882 |
|
|
|
883 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
884 |
break;
|
|
|
885 |
}
|
|
|
886 |
|
|
|
887 |
case 10 : {
|
|
|
888 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
889 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
890 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb16;
|
|
|
891 |
else
|
|
|
892 |
#endif
|
|
|
893 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb8;
|
|
|
894 |
|
|
|
895 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
896 |
break;
|
|
|
897 |
}
|
|
|
898 |
|
|
|
899 |
case 12 : {
|
|
|
900 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
901 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
902 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga16;
|
|
|
903 |
else
|
|
|
904 |
#endif
|
|
|
905 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga8;
|
|
|
906 |
|
|
|
907 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
908 |
break;
|
|
|
909 |
}
|
|
|
910 |
|
|
|
911 |
case 14 : {
|
|
|
912 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
913 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
914 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba16;
|
|
|
915 |
else
|
|
|
916 |
#endif
|
|
|
917 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba8;
|
|
|
918 |
|
|
|
919 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
920 |
break;
|
|
|
921 |
}
|
|
|
922 |
}
|
|
|
923 |
|
|
|
924 |
#ifdef MNG_NO_CMS
|
|
|
925 |
iRetcode = MNG_NOERROR;
|
|
|
926 |
#else
|
|
|
927 |
#if defined(MNG_FULL_CMS) /* determine color-management routine */
|
|
|
928 |
iRetcode = mng_init_full_cms (pData, MNG_FALSE, MNG_FALSE, MNG_TRUE);
|
|
|
929 |
#elif defined(MNG_GAMMA_ONLY)
|
|
|
930 |
iRetcode = mng_init_gamma_only (pData, MNG_FALSE, MNG_FALSE, MNG_TRUE);
|
|
|
931 |
#elif defined(MNG_APP_CMS)
|
|
|
932 |
iRetcode = mng_init_app_cms (pData, MNG_FALSE, MNG_FALSE, MNG_TRUE);
|
|
|
933 |
#endif
|
|
|
934 |
if (iRetcode) /* on error bail out */
|
|
|
935 |
return iRetcode;
|
|
|
936 |
#endif /* MNG_NO_CMS */
|
|
|
937 |
/* get temporary row-buffers */
|
|
|
938 |
MNG_ALLOC (pData, pData->pPrevrow, pData->iRowsize);
|
|
|
939 |
MNG_ALLOC (pData, pData->pRGBArow, pData->iRowsize);
|
|
|
940 |
|
|
|
941 |
iY = pData->iDestt; /* this is where we start */
|
|
|
942 |
iRetcode = MNG_NOERROR; /* so far, so good */
|
|
|
943 |
|
|
|
944 |
while ((!iRetcode) && (iY < pData->iDestb))
|
|
|
945 |
{ /* restore a background row */
|
|
|
946 |
iRetcode = mng_restore_bkgd_backimage (pData);
|
|
|
947 |
/* color correction ? */
|
|
|
948 |
if ((!iRetcode) && (pData->fCorrectrow))
|
|
|
949 |
iRetcode = ((mng_correctrow)pData->fCorrectrow) (pData);
|
|
|
950 |
|
|
|
951 |
if (!iRetcode) /* so... display it */
|
|
|
952 |
iRetcode = ((mng_displayrow)pData->fDisplayrow) (pData);
|
|
|
953 |
|
|
|
954 |
if (!iRetcode)
|
|
|
955 |
iRetcode = mng_next_row (pData);
|
|
|
956 |
|
|
|
957 |
iY++; /* and next line */
|
|
|
958 |
}
|
|
|
959 |
/* drop temporary row-buffers */
|
|
|
960 |
MNG_FREE (pData, pData->pRGBArow, pData->iRowsize);
|
|
|
961 |
MNG_FREE (pData, pData->pPrevrow, pData->iRowsize);
|
|
|
962 |
|
|
|
963 |
if (iRetcode) /* on error bail out */
|
|
|
964 |
return iRetcode;
|
|
|
965 |
|
|
|
966 |
#if defined(MNG_FULL_CMS) /* cleanup cms stuff */
|
|
|
967 |
iRetcode = mng_clear_cms (pData);
|
|
|
968 |
|
|
|
969 |
if (iRetcode) /* on error bail out */
|
|
|
970 |
return iRetcode;
|
|
|
971 |
#endif
|
|
|
972 |
}
|
|
|
973 |
}
|
|
|
974 |
}
|
|
|
975 |
#endif
|
|
|
976 |
}
|
|
|
977 |
|
|
|
978 |
pData->iDestl = iDestl; /* restore values */
|
|
|
979 |
pData->iDestr = iDestr;
|
|
|
980 |
pData->iDestt = iDestt;
|
|
|
981 |
pData->iDestb = iDestb;
|
|
|
982 |
pData->iSourcel = iSourcel;
|
|
|
983 |
pData->iSourcer = iSourcer;
|
|
|
984 |
pData->iSourcet = iSourcet;
|
|
|
985 |
pData->iSourceb = iSourceb;
|
|
|
986 |
pData->iPass = iPass;
|
|
|
987 |
pData->iRow = iRow;
|
|
|
988 |
pData->iRowinc = iRowinc;
|
|
|
989 |
pData->iCol = iCol;
|
|
|
990 |
pData->iColinc = iColinc;
|
|
|
991 |
pData->iRowsamples = iRowsamples;
|
|
|
992 |
pData->iRowsize = iRowsize;
|
|
|
993 |
pData->pPrevrow = pPrevrow;
|
|
|
994 |
pData->pRGBArow = pRGBArow;
|
|
|
995 |
pData->bIsRGBA16 = bIsRGBA16;
|
|
|
996 |
pData->bIsOpaque = bIsOpaque;
|
|
|
997 |
pData->fCorrectrow = fCorrectrow;
|
|
|
998 |
pData->fDisplayrow = fDisplayrow;
|
|
|
999 |
pData->fRetrieverow = fRetrieverow;
|
|
|
1000 |
pData->pCurrentobj = pCurrentobj;
|
|
|
1001 |
pData->pRetrieveobj = pRetrieveobj;
|
|
|
1002 |
}
|
|
|
1003 |
|
|
|
1004 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1005 |
MNG_TRACE (pData, MNG_FN_LOAD_BKGDLAYER, MNG_LC_END);
|
|
|
1006 |
#endif
|
|
|
1007 |
|
|
|
1008 |
return MNG_NOERROR;
|
|
|
1009 |
}
|
|
|
1010 |
|
|
|
1011 |
/* ************************************************************************** */
|
|
|
1012 |
|
|
|
1013 |
MNG_LOCAL mng_retcode clear_canvas (mng_datap pData)
|
|
|
1014 |
{
|
|
|
1015 |
mng_int32 iY;
|
|
|
1016 |
mng_retcode iRetcode;
|
|
|
1017 |
|
|
|
1018 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1019 |
MNG_TRACE (pData, MNG_FN_CLEAR_CANVAS, MNG_LC_START);
|
|
|
1020 |
#endif
|
|
|
1021 |
|
|
|
1022 |
pData->iDestl = 0; /* clipping region is full canvas! */
|
|
|
1023 |
pData->iDestt = 0;
|
|
|
1024 |
pData->iDestr = pData->iWidth;
|
|
|
1025 |
pData->iDestb = pData->iHeight;
|
|
|
1026 |
|
|
|
1027 |
pData->iSourcel = 0; /* source is same as destination */
|
|
|
1028 |
pData->iSourcer = pData->iWidth;
|
|
|
1029 |
pData->iSourcet = 0;
|
|
|
1030 |
pData->iSourceb = pData->iHeight;
|
|
|
1031 |
|
|
|
1032 |
pData->iPass = -1; /* these are the object's dimensions now */
|
|
|
1033 |
pData->iRow = 0;
|
|
|
1034 |
pData->iRowinc = 1;
|
|
|
1035 |
pData->iCol = 0;
|
|
|
1036 |
pData->iColinc = 1;
|
|
|
1037 |
pData->iRowsamples = pData->iWidth;
|
|
|
1038 |
pData->iRowsize = pData->iRowsamples << 2;
|
|
|
1039 |
pData->bIsRGBA16 = MNG_FALSE; /* let's keep it simple ! */
|
|
|
1040 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
1041 |
|
|
|
1042 |
set_display_routine (pData); /* determine display routine */
|
|
|
1043 |
/* get a temporary row-buffer */
|
|
|
1044 |
/* it's transparent black by default!! */
|
|
|
1045 |
MNG_ALLOC (pData, pData->pRGBArow, pData->iRowsize);
|
|
|
1046 |
|
|
|
1047 |
iY = pData->iDestt; /* this is where we start */
|
|
|
1048 |
iRetcode = MNG_NOERROR; /* so far, so good */
|
|
|
1049 |
|
|
|
1050 |
while ((!iRetcode) && (iY < pData->iDestb))
|
|
|
1051 |
{ /* clear a row then */
|
|
|
1052 |
iRetcode = ((mng_displayrow)pData->fDisplayrow) (pData);
|
|
|
1053 |
|
|
|
1054 |
if (!iRetcode)
|
|
|
1055 |
iRetcode = mng_next_row (pData); /* adjust variables for next row */
|
|
|
1056 |
|
|
|
1057 |
iY++; /* and next line */
|
|
|
1058 |
}
|
|
|
1059 |
/* drop the temporary row-buffer */
|
|
|
1060 |
MNG_FREE (pData, pData->pRGBArow, pData->iRowsize);
|
|
|
1061 |
|
|
|
1062 |
if (iRetcode) /* on error bail out */
|
|
|
1063 |
return iRetcode;
|
|
|
1064 |
|
|
|
1065 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1066 |
MNG_TRACE (pData, MNG_FN_CLEAR_CANVAS, MNG_LC_END);
|
|
|
1067 |
#endif
|
|
|
1068 |
|
|
|
1069 |
return MNG_NOERROR;
|
|
|
1070 |
}
|
|
|
1071 |
|
|
|
1072 |
/* ************************************************************************** */
|
|
|
1073 |
|
|
|
1074 |
MNG_LOCAL mng_retcode next_frame (mng_datap pData,
|
|
|
1075 |
mng_uint8 iFramemode,
|
|
|
1076 |
mng_uint8 iChangedelay,
|
|
|
1077 |
mng_uint32 iDelay,
|
|
|
1078 |
mng_uint8 iChangetimeout,
|
|
|
1079 |
mng_uint32 iTimeout,
|
|
|
1080 |
mng_uint8 iChangeclipping,
|
|
|
1081 |
mng_uint8 iCliptype,
|
|
|
1082 |
mng_int32 iClipl,
|
|
|
1083 |
mng_int32 iClipr,
|
|
|
1084 |
mng_int32 iClipt,
|
|
|
1085 |
mng_int32 iClipb)
|
|
|
1086 |
{
|
|
|
1087 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
1088 |
|
|
|
1089 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1090 |
MNG_TRACE (pData, MNG_FN_NEXT_FRAME, MNG_LC_START);
|
|
|
1091 |
#endif
|
|
|
1092 |
|
|
|
1093 |
if (!pData->iBreakpoint) /* no previous break here ? */
|
|
|
1094 |
{
|
|
|
1095 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
1096 |
mng_uint8 iOldmode = pData->iFramemode;
|
|
|
1097 |
/* interframe delay required ? */
|
|
|
1098 |
if ((iOldmode == 2) || (iOldmode == 4))
|
|
|
1099 |
{
|
|
|
1100 |
if ((pData->iFrameseq) && (iFramemode != 1) && (iFramemode != 3))
|
|
|
1101 |
iRetcode = interframe_delay (pData);
|
|
|
1102 |
else
|
|
|
1103 |
pData->iFramedelay = pData->iNextdelay;
|
|
|
1104 |
}
|
|
|
1105 |
else
|
|
|
1106 |
{ /* delay before inserting background layer? */
|
|
|
1107 |
if ((pData->bFramedone) && (iFramemode == 4))
|
|
|
1108 |
iRetcode = interframe_delay (pData);
|
|
|
1109 |
}
|
|
|
1110 |
|
|
|
1111 |
if (iRetcode) /* on error bail out */
|
|
|
1112 |
return iRetcode;
|
|
|
1113 |
/* now we'll assume we're in the next frame! */
|
|
|
1114 |
if (iFramemode) /* save the new framing mode ? */
|
|
|
1115 |
{
|
|
|
1116 |
pData->iFRAMmode = iFramemode;
|
|
|
1117 |
pData->iFramemode = iFramemode;
|
|
|
1118 |
}
|
|
|
1119 |
else /* reload default */
|
|
|
1120 |
pData->iFramemode = pData->iFRAMmode;
|
|
|
1121 |
|
|
|
1122 |
if (iChangedelay) /* delay changed ? */
|
|
|
1123 |
{
|
|
|
1124 |
pData->iNextdelay = iDelay; /* for *after* next subframe */
|
|
|
1125 |
|
|
|
1126 |
if ((iOldmode == 2) || (iOldmode == 4))
|
|
|
1127 |
pData->iFramedelay = pData->iFRAMdelay;
|
|
|
1128 |
|
|
|
1129 |
if (iChangedelay == 2) /* also overall ? */
|
|
|
1130 |
pData->iFRAMdelay = iDelay;
|
|
|
1131 |
}
|
|
|
1132 |
else
|
|
|
1133 |
{ /* reload default */
|
|
|
1134 |
pData->iNextdelay = pData->iFRAMdelay;
|
|
|
1135 |
}
|
|
|
1136 |
|
|
|
1137 |
if (iChangetimeout) /* timeout changed ? */
|
|
|
1138 |
{ /* for next subframe */
|
|
|
1139 |
pData->iFrametimeout = iTimeout;
|
|
|
1140 |
|
|
|
1141 |
if ((iChangetimeout == 2) || /* also overall ? */
|
|
|
1142 |
(iChangetimeout == 4) ||
|
|
|
1143 |
(iChangetimeout == 6) ||
|
|
|
1144 |
(iChangetimeout == 8))
|
|
|
1145 |
pData->iFRAMtimeout = iTimeout;
|
|
|
1146 |
}
|
|
|
1147 |
else /* reload default */
|
|
|
1148 |
pData->iFrametimeout = pData->iFRAMtimeout;
|
|
|
1149 |
|
|
|
1150 |
if (iChangeclipping) /* clipping changed ? */
|
|
|
1151 |
{
|
|
|
1152 |
pData->bFrameclipping = MNG_TRUE;
|
|
|
1153 |
|
|
|
1154 |
if (!iCliptype) /* absolute ? */
|
|
|
1155 |
{
|
|
|
1156 |
pData->iFrameclipl = iClipl;
|
|
|
1157 |
pData->iFrameclipr = iClipr;
|
|
|
1158 |
pData->iFrameclipt = iClipt;
|
|
|
1159 |
pData->iFrameclipb = iClipb;
|
|
|
1160 |
}
|
|
|
1161 |
else /* relative */
|
|
|
1162 |
{
|
|
|
1163 |
pData->iFrameclipl = pData->iFrameclipl + iClipl;
|
|
|
1164 |
pData->iFrameclipr = pData->iFrameclipr + iClipr;
|
|
|
1165 |
pData->iFrameclipt = pData->iFrameclipt + iClipt;
|
|
|
1166 |
pData->iFrameclipb = pData->iFrameclipb + iClipb;
|
|
|
1167 |
}
|
|
|
1168 |
|
|
|
1169 |
if (iChangeclipping == 2) /* also overall ? */
|
|
|
1170 |
{
|
|
|
1171 |
pData->bFRAMclipping = MNG_TRUE;
|
|
|
1172 |
|
|
|
1173 |
if (!iCliptype) /* absolute ? */
|
|
|
1174 |
{
|
|
|
1175 |
pData->iFRAMclipl = iClipl;
|
|
|
1176 |
pData->iFRAMclipr = iClipr;
|
|
|
1177 |
pData->iFRAMclipt = iClipt;
|
|
|
1178 |
pData->iFRAMclipb = iClipb;
|
|
|
1179 |
}
|
|
|
1180 |
else /* relative */
|
|
|
1181 |
{
|
|
|
1182 |
pData->iFRAMclipl = pData->iFRAMclipl + iClipl;
|
|
|
1183 |
pData->iFRAMclipr = pData->iFRAMclipr + iClipr;
|
|
|
1184 |
pData->iFRAMclipt = pData->iFRAMclipt + iClipt;
|
|
|
1185 |
pData->iFRAMclipb = pData->iFRAMclipb + iClipb;
|
|
|
1186 |
}
|
|
|
1187 |
}
|
|
|
1188 |
}
|
|
|
1189 |
else
|
|
|
1190 |
{ /* reload defaults */
|
|
|
1191 |
pData->bFrameclipping = pData->bFRAMclipping;
|
|
|
1192 |
pData->iFrameclipl = pData->iFRAMclipl;
|
|
|
1193 |
pData->iFrameclipr = pData->iFRAMclipr;
|
|
|
1194 |
pData->iFrameclipt = pData->iFRAMclipt;
|
|
|
1195 |
pData->iFrameclipb = pData->iFRAMclipb;
|
|
|
1196 |
}
|
|
|
1197 |
#endif
|
|
|
1198 |
}
|
|
|
1199 |
|
|
|
1200 |
if (!pData->bTimerset) /* timer still off ? */
|
|
|
1201 |
{
|
|
|
1202 |
if (
|
|
|
1203 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
1204 |
(pData->iFramemode == 4) || /* insert background layer after a new frame */
|
|
|
1205 |
#endif
|
|
|
1206 |
(!pData->iLayerseq)) /* and certainly before the very first layer */
|
|
|
1207 |
iRetcode = load_bkgdlayer (pData);
|
|
|
1208 |
|
|
|
1209 |
if (iRetcode) /* on error bail out */
|
|
|
1210 |
return iRetcode;
|
|
|
1211 |
|
|
|
1212 |
pData->iFrameseq++; /* count the frame ! */
|
|
|
1213 |
pData->bFramedone = MNG_TRUE; /* and indicate we've done one */
|
|
|
1214 |
}
|
|
|
1215 |
|
|
|
1216 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1217 |
MNG_TRACE (pData, MNG_FN_NEXT_FRAME, MNG_LC_END);
|
|
|
1218 |
#endif
|
|
|
1219 |
|
|
|
1220 |
return MNG_NOERROR;
|
|
|
1221 |
}
|
|
|
1222 |
|
|
|
1223 |
/* ************************************************************************** */
|
|
|
1224 |
|
|
|
1225 |
MNG_LOCAL mng_retcode next_layer (mng_datap pData)
|
|
|
1226 |
{
|
|
|
1227 |
mng_imagep pImage;
|
|
|
1228 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
1229 |
|
|
|
1230 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1231 |
MNG_TRACE (pData, MNG_FN_NEXT_LAYER, MNG_LC_START);
|
|
|
1232 |
#endif
|
|
|
1233 |
|
|
|
1234 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
1235 |
if (!pData->iBreakpoint) /* no previous break here ? */
|
|
|
1236 |
{ /* interframe delay required ? */
|
|
|
1237 |
if ((pData->eImagetype == mng_it_mng) && (pData->iLayerseq) &&
|
|
|
1238 |
((pData->iFramemode == 1) || (pData->iFramemode == 3)))
|
|
|
1239 |
iRetcode = interframe_delay (pData);
|
|
|
1240 |
else
|
|
|
1241 |
pData->iFramedelay = pData->iNextdelay;
|
|
|
1242 |
|
|
|
1243 |
if (iRetcode) /* on error bail out */
|
|
|
1244 |
return iRetcode;
|
|
|
1245 |
}
|
|
|
1246 |
#endif
|
|
|
1247 |
|
|
|
1248 |
if (!pData->bTimerset) /* timer still off ? */
|
|
|
1249 |
{
|
|
|
1250 |
if (!pData->iLayerseq) /* restore background for the very first layer ? */
|
|
|
1251 |
{ /* wait till IDAT/JDAT for PNGs & JNGs !!! */
|
|
|
1252 |
if ((pData->eImagetype == mng_it_png) || (pData->eImagetype == mng_it_jng))
|
|
|
1253 |
pData->bRestorebkgd = MNG_TRUE;
|
|
|
1254 |
else
|
|
|
1255 |
{ /* for MNG we do it right away */
|
|
|
1256 |
iRetcode = load_bkgdlayer (pData);
|
|
|
1257 |
pData->iLayerseq++; /* and it counts as a layer then ! */
|
|
|
1258 |
}
|
|
|
1259 |
}
|
|
|
1260 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
1261 |
else
|
|
|
1262 |
if (pData->iFramemode == 3) /* restore background for each layer ? */
|
|
|
1263 |
iRetcode = load_bkgdlayer (pData);
|
|
|
1264 |
#endif
|
|
|
1265 |
|
|
|
1266 |
if (iRetcode) /* on error bail out */
|
|
|
1267 |
return iRetcode;
|
|
|
1268 |
|
|
|
1269 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
1270 |
if (pData->bHasDHDR) /* processing a delta-image ? */
|
|
|
1271 |
pImage = (mng_imagep)pData->pDeltaImage;
|
|
|
1272 |
else
|
|
|
1273 |
#endif
|
|
|
1274 |
pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
1275 |
|
|
|
1276 |
if (!pImage) /* not an active object ? */
|
|
|
1277 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
1278 |
/* determine display rectangle */
|
|
|
1279 |
pData->iDestl = MAX_COORD ((mng_int32)0, pImage->iPosx);
|
|
|
1280 |
pData->iDestt = MAX_COORD ((mng_int32)0, pImage->iPosy);
|
|
|
1281 |
/* is it a valid buffer ? */
|
|
|
1282 |
if ((pImage->pImgbuf->iWidth) && (pImage->pImgbuf->iHeight))
|
|
|
1283 |
{
|
|
|
1284 |
pData->iDestr = MIN_COORD ((mng_int32)pData->iWidth,
|
|
|
1285 |
pImage->iPosx + (mng_int32)pImage->pImgbuf->iWidth );
|
|
|
1286 |
pData->iDestb = MIN_COORD ((mng_int32)pData->iHeight,
|
|
|
1287 |
pImage->iPosy + (mng_int32)pImage->pImgbuf->iHeight);
|
|
|
1288 |
}
|
|
|
1289 |
else /* it's a single image ! */
|
|
|
1290 |
{
|
|
|
1291 |
pData->iDestr = MIN_COORD ((mng_int32)pData->iWidth,
|
|
|
1292 |
(mng_int32)pData->iDatawidth );
|
|
|
1293 |
pData->iDestb = MIN_COORD ((mng_int32)pData->iHeight,
|
|
|
1294 |
(mng_int32)pData->iDataheight);
|
|
|
1295 |
}
|
|
|
1296 |
|
|
|
1297 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
1298 |
if (pData->bFrameclipping) /* frame clipping specified ? */
|
|
|
1299 |
{
|
|
|
1300 |
pData->iDestl = MAX_COORD (pData->iDestl, pData->iFrameclipl);
|
|
|
1301 |
pData->iDestt = MAX_COORD (pData->iDestt, pData->iFrameclipt);
|
|
|
1302 |
pData->iDestr = MIN_COORD (pData->iDestr, pData->iFrameclipr);
|
|
|
1303 |
pData->iDestb = MIN_COORD (pData->iDestb, pData->iFrameclipb);
|
|
|
1304 |
}
|
|
|
1305 |
#endif
|
|
|
1306 |
|
|
|
1307 |
if (pImage->bClipped) /* is the image clipped itself ? */
|
|
|
1308 |
{
|
|
|
1309 |
pData->iDestl = MAX_COORD (pData->iDestl, pImage->iClipl);
|
|
|
1310 |
pData->iDestt = MAX_COORD (pData->iDestt, pImage->iClipt);
|
|
|
1311 |
pData->iDestr = MIN_COORD (pData->iDestr, pImage->iClipr);
|
|
|
1312 |
pData->iDestb = MIN_COORD (pData->iDestb, pImage->iClipb);
|
|
|
1313 |
}
|
|
|
1314 |
/* determine source starting point */
|
|
|
1315 |
pData->iSourcel = MAX_COORD ((mng_int32)0, pData->iDestl - pImage->iPosx);
|
|
|
1316 |
pData->iSourcet = MAX_COORD ((mng_int32)0, pData->iDestt - pImage->iPosy);
|
|
|
1317 |
|
|
|
1318 |
if ((pImage->pImgbuf->iWidth) && (pImage->pImgbuf->iHeight))
|
|
|
1319 |
{ /* and maximum size */
|
|
|
1320 |
pData->iSourcer = MIN_COORD ((mng_int32)pImage->pImgbuf->iWidth,
|
|
|
1321 |
pData->iSourcel + pData->iDestr - pData->iDestl);
|
|
|
1322 |
pData->iSourceb = MIN_COORD ((mng_int32)pImage->pImgbuf->iHeight,
|
|
|
1323 |
pData->iSourcet + pData->iDestb - pData->iDestt);
|
|
|
1324 |
}
|
|
|
1325 |
else /* it's a single image ! */
|
|
|
1326 |
{
|
|
|
1327 |
pData->iSourcer = pData->iSourcel + pData->iDestr - pData->iDestl;
|
|
|
1328 |
pData->iSourceb = pData->iSourcet + pData->iDestb - pData->iDestt;
|
|
|
1329 |
}
|
|
|
1330 |
|
|
|
1331 |
pData->iLayerseq++; /* count the layer ! */
|
|
|
1332 |
}
|
|
|
1333 |
|
|
|
1334 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1335 |
MNG_TRACE (pData, MNG_FN_NEXT_LAYER, MNG_LC_END);
|
|
|
1336 |
#endif
|
|
|
1337 |
|
|
|
1338 |
return MNG_NOERROR;
|
|
|
1339 |
}
|
|
|
1340 |
|
|
|
1341 |
/* ************************************************************************** */
|
|
|
1342 |
|
|
|
1343 |
mng_retcode mng_display_image (mng_datap pData,
|
|
|
1344 |
mng_imagep pImage,
|
|
|
1345 |
mng_bool bLayeradvanced)
|
|
|
1346 |
{
|
|
|
1347 |
mng_retcode iRetcode;
|
|
|
1348 |
|
|
|
1349 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1350 |
MNG_TRACE (pData, MNG_FN_DISPLAY_IMAGE, MNG_LC_START);
|
|
|
1351 |
#endif
|
|
|
1352 |
/* actively running ? */
|
|
|
1353 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
1354 |
if (((pData->bRunning) || (pData->bSearching)) && (!pData->bSkipping))
|
|
|
1355 |
{
|
|
|
1356 |
if ( (!pData->iBreakpoint) && /* needs magnification ? */
|
|
|
1357 |
( (pImage->iMAGN_MethodX) || (pImage->iMAGN_MethodY) ) )
|
|
|
1358 |
{
|
|
|
1359 |
iRetcode = mng_magnify_imageobject (pData, pImage);
|
|
|
1360 |
|
|
|
1361 |
if (iRetcode) /* on error bail out */
|
|
|
1362 |
return iRetcode;
|
|
|
1363 |
}
|
|
|
1364 |
}
|
|
|
1365 |
#endif
|
|
|
1366 |
|
|
|
1367 |
pData->pRetrieveobj = pImage; /* so retrieve-row and color-correction can find it */
|
|
|
1368 |
|
|
|
1369 |
if (!bLayeradvanced) /* need to advance the layer ? */
|
|
|
1370 |
{
|
|
|
1371 |
mng_imagep pSave = pData->pCurrentobj;
|
|
|
1372 |
pData->pCurrentobj = pImage;
|
|
|
1373 |
next_layer (pData); /* advance to next layer */
|
|
|
1374 |
pData->pCurrentobj = pSave;
|
|
|
1375 |
}
|
|
|
1376 |
/* need to restore the background ? */
|
|
|
1377 |
if ((!pData->bTimerset) && (pData->bRestorebkgd))
|
|
|
1378 |
{
|
|
|
1379 |
mng_imagep pSave = pData->pCurrentobj;
|
|
|
1380 |
pData->pCurrentobj = pImage;
|
|
|
1381 |
pData->bRestorebkgd = MNG_FALSE;
|
|
|
1382 |
iRetcode = load_bkgdlayer (pData);
|
|
|
1383 |
pData->pCurrentobj = pSave;
|
|
|
1384 |
|
|
|
1385 |
if (iRetcode) /* on error bail out */
|
|
|
1386 |
return iRetcode;
|
|
|
1387 |
|
|
|
1388 |
pData->iLayerseq++; /* and it counts as a layer then ! */
|
|
|
1389 |
}
|
|
|
1390 |
/* actively running ? */
|
|
|
1391 |
if (((pData->bRunning) || (pData->bSearching)) && (!pData->bSkipping))
|
|
|
1392 |
{
|
|
|
1393 |
if (!pData->bTimerset) /* all systems still go ? */
|
|
|
1394 |
{
|
|
|
1395 |
pData->iBreakpoint = 0; /* let's make absolutely sure... */
|
|
|
1396 |
/* anything to display ? */
|
|
|
1397 |
if ((pData->iDestr >= pData->iDestl) && (pData->iDestb >= pData->iDestt))
|
|
|
1398 |
{
|
|
|
1399 |
mng_int32 iY;
|
|
|
1400 |
|
|
|
1401 |
set_display_routine (pData); /* determine display routine */
|
|
|
1402 |
/* and image-buffer retrieval routine */
|
|
|
1403 |
switch (pImage->pImgbuf->iColortype)
|
|
|
1404 |
{
|
|
|
1405 |
case 0 : {
|
|
|
1406 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1407 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
1408 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g16;
|
|
|
1409 |
else
|
|
|
1410 |
#endif
|
|
|
1411 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g8;
|
|
|
1412 |
|
|
|
1413 |
pData->bIsOpaque = (mng_bool)(!pImage->pImgbuf->bHasTRNS);
|
|
|
1414 |
break;
|
|
|
1415 |
}
|
|
|
1416 |
|
|
|
1417 |
case 2 : {
|
|
|
1418 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1419 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
1420 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb16;
|
|
|
1421 |
else
|
|
|
1422 |
#endif
|
|
|
1423 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb8;
|
|
|
1424 |
|
|
|
1425 |
pData->bIsOpaque = (mng_bool)(!pImage->pImgbuf->bHasTRNS);
|
|
|
1426 |
break;
|
|
|
1427 |
}
|
|
|
1428 |
|
|
|
1429 |
|
|
|
1430 |
case 3 : { pData->fRetrieverow = (mng_fptr)mng_retrieve_idx8;
|
|
|
1431 |
pData->bIsOpaque = (mng_bool)(!pImage->pImgbuf->bHasTRNS);
|
|
|
1432 |
break;
|
|
|
1433 |
}
|
|
|
1434 |
|
|
|
1435 |
|
|
|
1436 |
case 4 : {
|
|
|
1437 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1438 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
1439 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga16;
|
|
|
1440 |
else
|
|
|
1441 |
#endif
|
|
|
1442 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga8;
|
|
|
1443 |
|
|
|
1444 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
1445 |
break;
|
|
|
1446 |
}
|
|
|
1447 |
|
|
|
1448 |
|
|
|
1449 |
case 6 : {
|
|
|
1450 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1451 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
1452 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba16;
|
|
|
1453 |
else
|
|
|
1454 |
#endif
|
|
|
1455 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba8;
|
|
|
1456 |
|
|
|
1457 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
1458 |
break;
|
|
|
1459 |
}
|
|
|
1460 |
|
|
|
1461 |
case 8 : {
|
|
|
1462 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1463 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
1464 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g16;
|
|
|
1465 |
else
|
|
|
1466 |
#endif
|
|
|
1467 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g8;
|
|
|
1468 |
|
|
|
1469 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
1470 |
break;
|
|
|
1471 |
}
|
|
|
1472 |
|
|
|
1473 |
case 10 : {
|
|
|
1474 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1475 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
1476 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb16;
|
|
|
1477 |
else
|
|
|
1478 |
#endif
|
|
|
1479 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb8;
|
|
|
1480 |
|
|
|
1481 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
1482 |
break;
|
|
|
1483 |
}
|
|
|
1484 |
|
|
|
1485 |
|
|
|
1486 |
case 12 : {
|
|
|
1487 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1488 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
1489 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga16;
|
|
|
1490 |
else
|
|
|
1491 |
#endif
|
|
|
1492 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga8;
|
|
|
1493 |
|
|
|
1494 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
1495 |
break;
|
|
|
1496 |
}
|
|
|
1497 |
|
|
|
1498 |
|
|
|
1499 |
case 14 : {
|
|
|
1500 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1501 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
1502 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba16;
|
|
|
1503 |
else
|
|
|
1504 |
#endif
|
|
|
1505 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba8;
|
|
|
1506 |
|
|
|
1507 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
1508 |
break;
|
|
|
1509 |
}
|
|
|
1510 |
|
|
|
1511 |
}
|
|
|
1512 |
|
|
|
1513 |
pData->iPass = -1; /* these are the object's dimensions now */
|
|
|
1514 |
pData->iRow = pData->iSourcet;
|
|
|
1515 |
pData->iRowinc = 1;
|
|
|
1516 |
pData->iCol = 0;
|
|
|
1517 |
pData->iColinc = 1;
|
|
|
1518 |
pData->iRowsamples = pImage->pImgbuf->iWidth;
|
|
|
1519 |
pData->iRowsize = pData->iRowsamples << 2;
|
|
|
1520 |
pData->bIsRGBA16 = MNG_FALSE;
|
|
|
1521 |
/* adjust for 16-bit object ? */
|
|
|
1522 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1523 |
if (pImage->pImgbuf->iBitdepth > 8)
|
|
|
1524 |
{
|
|
|
1525 |
pData->bIsRGBA16 = MNG_TRUE;
|
|
|
1526 |
pData->iRowsize = pData->iRowsamples << 3;
|
|
|
1527 |
}
|
|
|
1528 |
#endif
|
|
|
1529 |
|
|
|
1530 |
pData->fCorrectrow = MNG_NULL; /* default no color-correction */
|
|
|
1531 |
|
|
|
1532 |
#ifdef MNG_NO_CMS
|
|
|
1533 |
iRetcode = MNG_NOERROR;
|
|
|
1534 |
#else
|
|
|
1535 |
#if defined(MNG_FULL_CMS) /* determine color-management routine */
|
|
|
1536 |
iRetcode = mng_init_full_cms (pData, MNG_FALSE, MNG_FALSE, MNG_TRUE);
|
|
|
1537 |
#elif defined(MNG_GAMMA_ONLY)
|
|
|
1538 |
iRetcode = mng_init_gamma_only (pData, MNG_FALSE, MNG_FALSE, MNG_TRUE);
|
|
|
1539 |
#elif defined(MNG_APP_CMS)
|
|
|
1540 |
iRetcode = mng_init_app_cms (pData, MNG_FALSE, MNG_FALSE, MNG_TRUE);
|
|
|
1541 |
#endif
|
|
|
1542 |
if (iRetcode) /* on error bail out */
|
|
|
1543 |
return iRetcode;
|
|
|
1544 |
#endif /* MNG_NO_CMS */
|
|
|
1545 |
/* get a temporary row-buffer */
|
|
|
1546 |
MNG_ALLOC (pData, pData->pRGBArow, pData->iRowsize);
|
|
|
1547 |
|
|
|
1548 |
iY = pData->iSourcet; /* this is where we start */
|
|
|
1549 |
|
|
|
1550 |
while ((!iRetcode) && (iY < pData->iSourceb))
|
|
|
1551 |
{ /* get a row */
|
|
|
1552 |
iRetcode = ((mng_retrieverow)pData->fRetrieverow) (pData);
|
|
|
1553 |
/* color correction ? */
|
|
|
1554 |
if ((!iRetcode) && (pData->fCorrectrow))
|
|
|
1555 |
iRetcode = ((mng_correctrow)pData->fCorrectrow) (pData);
|
|
|
1556 |
|
|
|
1557 |
if (!iRetcode) /* so... display it */
|
|
|
1558 |
iRetcode = ((mng_displayrow)pData->fDisplayrow) (pData);
|
|
|
1559 |
|
|
|
1560 |
if (!iRetcode) /* adjust variables for next row */
|
|
|
1561 |
iRetcode = mng_next_row (pData);
|
|
|
1562 |
|
|
|
1563 |
iY++; /* and next line */
|
|
|
1564 |
}
|
|
|
1565 |
/* drop the temporary row-buffer */
|
|
|
1566 |
MNG_FREE (pData, pData->pRGBArow, pData->iRowsize);
|
|
|
1567 |
|
|
|
1568 |
if (iRetcode) /* on error bail out */
|
|
|
1569 |
return iRetcode;
|
|
|
1570 |
|
|
|
1571 |
#if defined(MNG_FULL_CMS) /* cleanup cms stuff */
|
|
|
1572 |
iRetcode = mng_clear_cms (pData);
|
|
|
1573 |
|
|
|
1574 |
if (iRetcode) /* on error bail out */
|
|
|
1575 |
return iRetcode;
|
|
|
1576 |
#endif
|
|
|
1577 |
}
|
|
|
1578 |
}
|
|
|
1579 |
}
|
|
|
1580 |
|
|
|
1581 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1582 |
MNG_TRACE (pData, MNG_FN_DISPLAY_IMAGE, MNG_LC_END);
|
|
|
1583 |
#endif
|
|
|
1584 |
|
|
|
1585 |
return MNG_NOERROR; /* whehehe, this is good ! */
|
|
|
1586 |
}
|
|
|
1587 |
|
|
|
1588 |
/* ************************************************************************** */
|
|
|
1589 |
|
|
|
1590 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
1591 |
mng_retcode mng_execute_delta_image (mng_datap pData,
|
|
|
1592 |
mng_imagep pTarget,
|
|
|
1593 |
mng_imagep pDelta)
|
|
|
1594 |
{
|
|
|
1595 |
mng_imagedatap pBuftarget = pTarget->pImgbuf;
|
|
|
1596 |
mng_imagedatap pBufdelta = pDelta->pImgbuf;
|
|
|
1597 |
mng_uint32 iY;
|
|
|
1598 |
mng_retcode iRetcode;
|
|
|
1599 |
mng_ptr pSaveRGBA;
|
|
|
1600 |
|
|
|
1601 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
1602 |
MNG_TRACE (pData, MNG_FN_EXECUTE_DELTA_IMAGE, MNG_LC_START);
|
|
|
1603 |
#endif
|
|
|
1604 |
/* actively running ? */
|
|
|
1605 |
if (((pData->bRunning) || (pData->bSearching)) && (!pData->bSkipping))
|
|
|
1606 |
{
|
|
|
1607 |
if (pBufdelta->bHasPLTE) /* palette in delta ? */
|
|
|
1608 |
{
|
|
|
1609 |
mng_uint32 iX;
|
|
|
1610 |
/* new palette larger than old one ? */
|
|
|
1611 |
if ((!pBuftarget->bHasPLTE) || (pBuftarget->iPLTEcount < pBufdelta->iPLTEcount))
|
|
|
1612 |
pBuftarget->iPLTEcount = pBufdelta->iPLTEcount;
|
|
|
1613 |
/* it's definitely got a PLTE now */
|
|
|
1614 |
pBuftarget->bHasPLTE = MNG_TRUE;
|
|
|
1615 |
|
|
|
1616 |
for (iX = 0; iX < pBufdelta->iPLTEcount; iX++)
|
|
|
1617 |
{
|
|
|
1618 |
pBuftarget->aPLTEentries[iX].iRed = pBufdelta->aPLTEentries[iX].iRed;
|
|
|
1619 |
pBuftarget->aPLTEentries[iX].iGreen = pBufdelta->aPLTEentries[iX].iGreen;
|
|
|
1620 |
pBuftarget->aPLTEentries[iX].iBlue = pBufdelta->aPLTEentries[iX].iBlue;
|
|
|
1621 |
}
|
|
|
1622 |
}
|
|
|
1623 |
|
|
|
1624 |
if (pBufdelta->bHasTRNS) /* cheap transparency in delta ? */
|
|
|
1625 |
{
|
|
|
1626 |
switch (pData->iColortype) /* drop it into the target */
|
|
|
1627 |
{
|
|
|
1628 |
case 0: { /* gray */
|
|
|
1629 |
pBuftarget->iTRNSgray = pBufdelta->iTRNSgray;
|
|
|
1630 |
pBuftarget->iTRNSred = 0;
|
|
|
1631 |
pBuftarget->iTRNSgreen = 0;
|
|
|
1632 |
pBuftarget->iTRNSblue = 0;
|
|
|
1633 |
pBuftarget->iTRNScount = 0;
|
|
|
1634 |
break;
|
|
|
1635 |
}
|
|
|
1636 |
case 2: { /* rgb */
|
|
|
1637 |
pBuftarget->iTRNSgray = 0;
|
|
|
1638 |
pBuftarget->iTRNSred = pBufdelta->iTRNSred;
|
|
|
1639 |
pBuftarget->iTRNSgreen = pBufdelta->iTRNSgreen;
|
|
|
1640 |
pBuftarget->iTRNSblue = pBufdelta->iTRNSblue;
|
|
|
1641 |
pBuftarget->iTRNScount = 0;
|
|
|
1642 |
break;
|
|
|
1643 |
}
|
|
|
1644 |
case 3: { /* indexed */
|
|
|
1645 |
pBuftarget->iTRNSgray = 0;
|
|
|
1646 |
pBuftarget->iTRNSred = 0;
|
|
|
1647 |
pBuftarget->iTRNSgreen = 0;
|
|
|
1648 |
pBuftarget->iTRNSblue = 0;
|
|
|
1649 |
/* existing range smaller than new one ? */
|
|
|
1650 |
if ((!pBuftarget->bHasTRNS) || (pBuftarget->iTRNScount < pBufdelta->iTRNScount))
|
|
|
1651 |
pBuftarget->iTRNScount = pBufdelta->iTRNScount;
|
|
|
1652 |
|
|
|
1653 |
MNG_COPY (pBuftarget->aTRNSentries, pBufdelta->aTRNSentries, pBufdelta->iTRNScount);
|
|
|
1654 |
break;
|
|
|
1655 |
}
|
|
|
1656 |
}
|
|
|
1657 |
|
|
|
1658 |
pBuftarget->bHasTRNS = MNG_TRUE; /* tell it it's got a tRNS now */
|
|
|
1659 |
}
|
|
|
1660 |
|
|
|
1661 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
|
1662 |
if (pBufdelta->bHasBKGD) /* bkgd in source ? */
|
|
|
1663 |
{ /* drop it onto the target */
|
|
|
1664 |
pBuftarget->bHasBKGD = MNG_TRUE;
|
|
|
1665 |
pBuftarget->iBKGDindex = pBufdelta->iBKGDindex;
|
|
|
1666 |
pBuftarget->iBKGDgray = pBufdelta->iBKGDgray;
|
|
|
1667 |
pBuftarget->iBKGDred = pBufdelta->iBKGDred;
|
|
|
1668 |
pBuftarget->iBKGDgreen = pBufdelta->iBKGDgreen;
|
|
|
1669 |
pBuftarget->iBKGDblue = pBufdelta->iBKGDblue;
|
|
|
1670 |
}
|
|
|
1671 |
#endif
|
|
|
1672 |
|
|
|
1673 |
if (pBufdelta->bHasGAMA) /* gamma in source ? */
|
|
|
1674 |
{
|
|
|
1675 |
pBuftarget->bHasGAMA = MNG_TRUE; /* drop it onto the target */
|
|
|
1676 |
pBuftarget->iGamma = pBufdelta->iGamma;
|
|
|
1677 |
}
|
|
|
1678 |
|
|
|
1679 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
|
1680 |
if (pBufdelta->bHasCHRM) /* chroma in delta ? */
|
|
|
1681 |
{ /* drop it onto the target */
|
|
|
1682 |
pBuftarget->bHasCHRM = MNG_TRUE;
|
|
|
1683 |
pBuftarget->iWhitepointx = pBufdelta->iWhitepointx;
|
|
|
1684 |
pBuftarget->iWhitepointy = pBufdelta->iWhitepointy;
|
|
|
1685 |
pBuftarget->iPrimaryredx = pBufdelta->iPrimaryredx;
|
|
|
1686 |
pBuftarget->iPrimaryredy = pBufdelta->iPrimaryredy;
|
|
|
1687 |
pBuftarget->iPrimarygreenx = pBufdelta->iPrimarygreenx;
|
|
|
1688 |
pBuftarget->iPrimarygreeny = pBufdelta->iPrimarygreeny;
|
|
|
1689 |
pBuftarget->iPrimarybluex = pBufdelta->iPrimarybluex;
|
|
|
1690 |
pBuftarget->iPrimarybluey = pBufdelta->iPrimarybluey;
|
|
|
1691 |
}
|
|
|
1692 |
#endif
|
|
|
1693 |
|
|
|
1694 |
#ifndef MNG_SKIPCHUNK_sRGB
|
|
|
1695 |
if (pBufdelta->bHasSRGB) /* sRGB in delta ? */
|
|
|
1696 |
{ /* drop it onto the target */
|
|
|
1697 |
pBuftarget->bHasSRGB = MNG_TRUE;
|
|
|
1698 |
pBuftarget->iRenderingintent = pBufdelta->iRenderingintent;
|
|
|
1699 |
}
|
|
|
1700 |
#endif
|
|
|
1701 |
|
|
|
1702 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
|
1703 |
if (pBufdelta->bHasICCP) /* ICC profile in delta ? */
|
|
|
1704 |
{
|
|
|
1705 |
pBuftarget->bHasICCP = MNG_TRUE; /* drop it onto the target */
|
|
|
1706 |
|
|
|
1707 |
if (pBuftarget->pProfile) /* profile existed ? */
|
|
|
1708 |
MNG_FREEX (pData, pBuftarget->pProfile, pBuftarget->iProfilesize);
|
|
|
1709 |
/* allocate a buffer & copy it */
|
|
|
1710 |
MNG_ALLOC (pData, pBuftarget->pProfile, pBufdelta->iProfilesize);
|
|
|
1711 |
MNG_COPY (pBuftarget->pProfile, pBufdelta->pProfile, pBufdelta->iProfilesize);
|
|
|
1712 |
/* store its length as well */
|
|
|
1713 |
pBuftarget->iProfilesize = pBufdelta->iProfilesize;
|
|
|
1714 |
}
|
|
|
1715 |
#endif
|
|
|
1716 |
/* need to execute delta pixels ? */
|
|
|
1717 |
if ((!pData->bDeltaimmediate) && (pData->iDeltatype != MNG_DELTATYPE_NOCHANGE))
|
|
|
1718 |
{
|
|
|
1719 |
pData->fScalerow = MNG_NULL; /* not needed by default */
|
|
|
1720 |
|
|
|
1721 |
switch (pBufdelta->iBitdepth) /* determine scaling routine */
|
|
|
1722 |
{
|
|
|
1723 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
1724 |
case 1 : {
|
|
|
1725 |
switch (pBuftarget->iBitdepth)
|
|
|
1726 |
{
|
|
|
1727 |
case 2 : { pData->fScalerow = (mng_fptr)mng_scale_g1_g2; break; }
|
|
|
1728 |
case 4 : { pData->fScalerow = (mng_fptr)mng_scale_g1_g4; break; }
|
|
|
1729 |
|
|
|
1730 |
case 8 : { pData->fScalerow = (mng_fptr)mng_scale_g1_g8; break; }
|
|
|
1731 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1732 |
case 16 : { pData->fScalerow = (mng_fptr)mng_scale_g1_g16; break; }
|
|
|
1733 |
#endif
|
|
|
1734 |
}
|
|
|
1735 |
break;
|
|
|
1736 |
}
|
|
|
1737 |
|
|
|
1738 |
case 2 : {
|
|
|
1739 |
switch (pBuftarget->iBitdepth)
|
|
|
1740 |
{
|
|
|
1741 |
case 1 : { pData->fScalerow = (mng_fptr)mng_scale_g2_g1; break; }
|
|
|
1742 |
case 4 : { pData->fScalerow = (mng_fptr)mng_scale_g2_g4; break; }
|
|
|
1743 |
case 8 : { pData->fScalerow = (mng_fptr)mng_scale_g2_g8; break; }
|
|
|
1744 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1745 |
case 16 : { pData->fScalerow = (mng_fptr)mng_scale_g2_g16; break; }
|
|
|
1746 |
#endif
|
|
|
1747 |
}
|
|
|
1748 |
break;
|
|
|
1749 |
}
|
|
|
1750 |
|
|
|
1751 |
case 4 : {
|
|
|
1752 |
switch (pBuftarget->iBitdepth)
|
|
|
1753 |
{
|
|
|
1754 |
case 1 : { pData->fScalerow = (mng_fptr)mng_scale_g4_g1; break; }
|
|
|
1755 |
case 2 : { pData->fScalerow = (mng_fptr)mng_scale_g4_g2; break; }
|
|
|
1756 |
case 8 : { pData->fScalerow = (mng_fptr)mng_scale_g4_g8; break; }
|
|
|
1757 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1758 |
case 16 : { pData->fScalerow = (mng_fptr)mng_scale_g4_g16; break; }
|
|
|
1759 |
#endif
|
|
|
1760 |
}
|
|
|
1761 |
break;
|
|
|
1762 |
}
|
|
|
1763 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
1764 |
|
|
|
1765 |
case 8 : {
|
|
|
1766 |
switch (pBufdelta->iColortype)
|
|
|
1767 |
{
|
|
|
1768 |
case 0 : ;
|
|
|
1769 |
case 3 : ;
|
|
|
1770 |
case 8 : {
|
|
|
1771 |
switch (pBuftarget->iBitdepth)
|
|
|
1772 |
{
|
|
|
1773 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
1774 |
case 1 : { pData->fScalerow = (mng_fptr)mng_scale_g8_g1; break; }
|
|
|
1775 |
case 2 : { pData->fScalerow = (mng_fptr)mng_scale_g8_g2; break; }
|
|
|
1776 |
case 4 : { pData->fScalerow = (mng_fptr)mng_scale_g8_g4; break; }
|
|
|
1777 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
1778 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1779 |
case 16 : { pData->fScalerow = (mng_fptr)mng_scale_g8_g16; break; }
|
|
|
1780 |
#endif
|
|
|
1781 |
}
|
|
|
1782 |
break;
|
|
|
1783 |
}
|
|
|
1784 |
case 2 : ;
|
|
|
1785 |
case 10 : {
|
|
|
1786 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1787 |
if (pBuftarget->iBitdepth == 16)
|
|
|
1788 |
pData->fScalerow = (mng_fptr)mng_scale_rgb8_rgb16;
|
|
|
1789 |
#endif
|
|
|
1790 |
break;
|
|
|
1791 |
}
|
|
|
1792 |
case 4 : ;
|
|
|
1793 |
case 12 : {
|
|
|
1794 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1795 |
if (pBuftarget->iBitdepth == 16)
|
|
|
1796 |
pData->fScalerow = (mng_fptr)mng_scale_ga8_ga16;
|
|
|
1797 |
#endif
|
|
|
1798 |
break;
|
|
|
1799 |
}
|
|
|
1800 |
case 6 : ;
|
|
|
1801 |
case 14 : {
|
|
|
1802 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1803 |
if (pBuftarget->iBitdepth == 16)
|
|
|
1804 |
pData->fScalerow = (mng_fptr)mng_scale_rgba8_rgba16;
|
|
|
1805 |
#endif
|
|
|
1806 |
break;
|
|
|
1807 |
}
|
|
|
1808 |
}
|
|
|
1809 |
break;
|
|
|
1810 |
}
|
|
|
1811 |
|
|
|
1812 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1813 |
case 16 : {
|
|
|
1814 |
switch (pBufdelta->iColortype)
|
|
|
1815 |
{
|
|
|
1816 |
case 0 : ;
|
|
|
1817 |
case 3 : ;
|
|
|
1818 |
case 8 : {
|
|
|
1819 |
switch (pBuftarget->iBitdepth)
|
|
|
1820 |
{
|
|
|
1821 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
1822 |
case 1 : { pData->fScalerow = (mng_fptr)mng_scale_g16_g1; break; }
|
|
|
1823 |
case 2 : { pData->fScalerow = (mng_fptr)mng_scale_g16_g2; break; }
|
|
|
1824 |
case 4 : { pData->fScalerow = (mng_fptr)mng_scale_g16_g4; break; }
|
|
|
1825 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
1826 |
case 8 : { pData->fScalerow = (mng_fptr)mng_scale_g16_g8; break; }
|
|
|
1827 |
}
|
|
|
1828 |
break;
|
|
|
1829 |
}
|
|
|
1830 |
case 2 : ;
|
|
|
1831 |
case 10 : {
|
|
|
1832 |
if (pBuftarget->iBitdepth == 8)
|
|
|
1833 |
pData->fScalerow = (mng_fptr)mng_scale_rgb16_rgb8;
|
|
|
1834 |
break;
|
|
|
1835 |
}
|
|
|
1836 |
case 4 : ;
|
|
|
1837 |
case 12 : {
|
|
|
1838 |
if (pBuftarget->iBitdepth == 8)
|
|
|
1839 |
pData->fScalerow = (mng_fptr)mng_scale_ga16_ga8;
|
|
|
1840 |
break;
|
|
|
1841 |
}
|
|
|
1842 |
case 6 : ;
|
|
|
1843 |
case 14 : {
|
|
|
1844 |
if (pBuftarget->iBitdepth == 8)
|
|
|
1845 |
pData->fScalerow = (mng_fptr)mng_scale_rgba16_rgba8;
|
|
|
1846 |
break;
|
|
|
1847 |
}
|
|
|
1848 |
}
|
|
|
1849 |
break;
|
|
|
1850 |
}
|
|
|
1851 |
#endif
|
|
|
1852 |
|
|
|
1853 |
}
|
|
|
1854 |
|
|
|
1855 |
pData->fDeltarow = MNG_NULL; /* let's assume there's nothing to do */
|
|
|
1856 |
|
|
|
1857 |
switch (pBuftarget->iColortype) /* determine delta processing routine */
|
|
|
1858 |
{
|
|
|
1859 |
case 0 : ;
|
|
|
1860 |
case 8 : { /* gray */
|
|
|
1861 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) ||
|
|
|
1862 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) ||
|
|
|
1863 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) )
|
|
|
1864 |
{
|
|
|
1865 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3) ||
|
|
|
1866 |
(pBufdelta->iColortype == 8))
|
|
|
1867 |
{
|
|
|
1868 |
switch (pBuftarget->iBitdepth)
|
|
|
1869 |
{
|
|
|
1870 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
1871 |
case 1 : { pData->fDeltarow = (mng_fptr)mng_delta_g1_g1; break; }
|
|
|
1872 |
case 2 : { pData->fDeltarow = (mng_fptr)mng_delta_g2_g2; break; }
|
|
|
1873 |
case 4 : { pData->fDeltarow = (mng_fptr)mng_delta_g4_g4; break; }
|
|
|
1874 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
1875 |
case 8 : { pData->fDeltarow = (mng_fptr)mng_delta_g8_g8; break; }
|
|
|
1876 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1877 |
case 16 : { pData->fDeltarow = (mng_fptr)mng_delta_g16_g16; break; }
|
|
|
1878 |
#endif
|
|
|
1879 |
}
|
|
|
1880 |
}
|
|
|
1881 |
}
|
|
|
1882 |
|
|
|
1883 |
break;
|
|
|
1884 |
}
|
|
|
1885 |
|
|
|
1886 |
case 2 : ;
|
|
|
1887 |
case 10 : { /* rgb */
|
|
|
1888 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) ||
|
|
|
1889 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) ||
|
|
|
1890 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) )
|
|
|
1891 |
{
|
|
|
1892 |
if ((pBufdelta->iColortype == 2) || (pBufdelta->iColortype == 10))
|
|
|
1893 |
{
|
|
|
1894 |
switch (pBuftarget->iBitdepth)
|
|
|
1895 |
{
|
|
|
1896 |
case 8 : { pData->fDeltarow = (mng_fptr)mng_delta_rgb8_rgb8; break; }
|
|
|
1897 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1898 |
case 16 : { pData->fDeltarow = (mng_fptr)mng_delta_rgb16_rgb16; break; }
|
|
|
1899 |
#endif
|
|
|
1900 |
}
|
|
|
1901 |
}
|
|
|
1902 |
}
|
|
|
1903 |
|
|
|
1904 |
break;
|
|
|
1905 |
}
|
|
|
1906 |
|
|
|
1907 |
case 3 : { /* indexed; abuse gray routines */
|
|
|
1908 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) ||
|
|
|
1909 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) ||
|
|
|
1910 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) )
|
|
|
1911 |
{
|
|
|
1912 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3))
|
|
|
1913 |
{
|
|
|
1914 |
switch (pBuftarget->iBitdepth)
|
|
|
1915 |
{
|
|
|
1916 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
1917 |
case 1 : { pData->fDeltarow = (mng_fptr)mng_delta_g1_g1; break; }
|
|
|
1918 |
case 2 : { pData->fDeltarow = (mng_fptr)mng_delta_g2_g2; break; }
|
|
|
1919 |
case 4 : { pData->fDeltarow = (mng_fptr)mng_delta_g4_g4; break; }
|
|
|
1920 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
1921 |
case 8 : { pData->fDeltarow = (mng_fptr)mng_delta_g8_g8; break; }
|
|
|
1922 |
}
|
|
|
1923 |
}
|
|
|
1924 |
}
|
|
|
1925 |
|
|
|
1926 |
break;
|
|
|
1927 |
}
|
|
|
1928 |
|
|
|
1929 |
case 4 : ;
|
|
|
1930 |
case 12 : { /* gray + alpha */
|
|
|
1931 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) ||
|
|
|
1932 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) ||
|
|
|
1933 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) )
|
|
|
1934 |
{
|
|
|
1935 |
if ((pBufdelta->iColortype == 4) || (pBufdelta->iColortype == 12))
|
|
|
1936 |
{
|
|
|
1937 |
switch (pBuftarget->iBitdepth)
|
|
|
1938 |
{
|
|
|
1939 |
case 8 : { pData->fDeltarow = (mng_fptr)mng_delta_ga8_ga8; break; }
|
|
|
1940 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1941 |
case 16 : { pData->fDeltarow = (mng_fptr)mng_delta_ga16_ga16; break; }
|
|
|
1942 |
#endif
|
|
|
1943 |
}
|
|
|
1944 |
}
|
|
|
1945 |
}
|
|
|
1946 |
else
|
|
|
1947 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) ||
|
|
|
1948 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) )
|
|
|
1949 |
{
|
|
|
1950 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3) ||
|
|
|
1951 |
(pBufdelta->iColortype == 8))
|
|
|
1952 |
{
|
|
|
1953 |
switch (pBuftarget->iBitdepth)
|
|
|
1954 |
{
|
|
|
1955 |
case 8 : { pData->fDeltarow = (mng_fptr)mng_delta_ga8_g8; break; }
|
|
|
1956 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1957 |
case 16 : { pData->fDeltarow = (mng_fptr)mng_delta_ga16_g16; break; }
|
|
|
1958 |
#endif
|
|
|
1959 |
}
|
|
|
1960 |
}
|
|
|
1961 |
}
|
|
|
1962 |
else
|
|
|
1963 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) ||
|
|
|
1964 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) )
|
|
|
1965 |
{
|
|
|
1966 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3))
|
|
|
1967 |
{
|
|
|
1968 |
switch (pBuftarget->iBitdepth)
|
|
|
1969 |
{
|
|
|
1970 |
case 8 : { pData->fDeltarow = (mng_fptr)mng_delta_ga8_a8; break; }
|
|
|
1971 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1972 |
case 16 : { pData->fDeltarow = (mng_fptr)mng_delta_ga16_a16; break; }
|
|
|
1973 |
#endif
|
|
|
1974 |
}
|
|
|
1975 |
}
|
|
|
1976 |
}
|
|
|
1977 |
|
|
|
1978 |
break;
|
|
|
1979 |
}
|
|
|
1980 |
|
|
|
1981 |
case 6 : ;
|
|
|
1982 |
case 14 : { /* rgb + alpha */
|
|
|
1983 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) ||
|
|
|
1984 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) ||
|
|
|
1985 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) )
|
|
|
1986 |
{
|
|
|
1987 |
if ((pBufdelta->iColortype == 6) || (pBufdelta->iColortype == 14))
|
|
|
1988 |
{
|
|
|
1989 |
switch (pBuftarget->iBitdepth)
|
|
|
1990 |
{
|
|
|
1991 |
case 8 : { pData->fDeltarow = (mng_fptr)mng_delta_rgba8_rgba8; break; }
|
|
|
1992 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
1993 |
case 16 : { pData->fDeltarow = (mng_fptr)mng_delta_rgba16_rgba16; break; }
|
|
|
1994 |
#endif
|
|
|
1995 |
}
|
|
|
1996 |
}
|
|
|
1997 |
}
|
|
|
1998 |
else
|
|
|
1999 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) ||
|
|
|
2000 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) )
|
|
|
2001 |
{
|
|
|
2002 |
if ((pBufdelta->iColortype == 2) || (pBufdelta->iColortype == 10))
|
|
|
2003 |
{
|
|
|
2004 |
switch (pBuftarget->iBitdepth)
|
|
|
2005 |
{
|
|
|
2006 |
case 8 : { pData->fDeltarow = (mng_fptr)mng_delta_rgba8_rgb8; break; }
|
|
|
2007 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
2008 |
case 16 : { pData->fDeltarow = (mng_fptr)mng_delta_rgba16_rgb16; break; }
|
|
|
2009 |
#endif
|
|
|
2010 |
}
|
|
|
2011 |
}
|
|
|
2012 |
}
|
|
|
2013 |
else
|
|
|
2014 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) ||
|
|
|
2015 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) )
|
|
|
2016 |
{
|
|
|
2017 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3))
|
|
|
2018 |
{
|
|
|
2019 |
switch (pBuftarget->iBitdepth)
|
|
|
2020 |
{
|
|
|
2021 |
case 8 : { pData->fDeltarow = (mng_fptr)mng_delta_rgba8_a8; break; }
|
|
|
2022 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
2023 |
case 16 : { pData->fDeltarow = (mng_fptr)mng_delta_rgba16_a16; break; }
|
|
|
2024 |
#endif
|
|
|
2025 |
}
|
|
|
2026 |
}
|
|
|
2027 |
}
|
|
|
2028 |
|
|
|
2029 |
break;
|
|
|
2030 |
}
|
|
|
2031 |
|
|
|
2032 |
}
|
|
|
2033 |
|
|
|
2034 |
if (pData->fDeltarow) /* do we need to take action ? */
|
|
|
2035 |
{
|
|
|
2036 |
pData->iPass = -1; /* setup row dimensions and stuff */
|
|
|
2037 |
pData->iRow = pData->iDeltaBlocky;
|
|
|
2038 |
pData->iRowinc = 1;
|
|
|
2039 |
pData->iCol = pData->iDeltaBlockx;
|
|
|
2040 |
pData->iColinc = 1;
|
|
|
2041 |
pData->iRowsamples = pBufdelta->iWidth;
|
|
|
2042 |
pData->iRowsize = pBuftarget->iRowsize;
|
|
|
2043 |
/* indicate where to retrieve & where to store */
|
|
|
2044 |
pData->pRetrieveobj = (mng_objectp)pDelta;
|
|
|
2045 |
pData->pStoreobj = (mng_objectp)pTarget;
|
|
|
2046 |
|
|
|
2047 |
pSaveRGBA = pData->pRGBArow; /* save current temp-buffer! */
|
|
|
2048 |
/* get a temporary row-buffer */
|
|
|
2049 |
MNG_ALLOC (pData, pData->pRGBArow, (pBufdelta->iRowsize << 1));
|
|
|
2050 |
|
|
|
2051 |
iY = 0; /* this is where we start */
|
|
|
2052 |
iRetcode = MNG_NOERROR; /* still oke for now */
|
|
|
2053 |
|
|
|
2054 |
while ((!iRetcode) && (iY < pBufdelta->iHeight))
|
|
|
2055 |
{ /* get a row */
|
|
|
2056 |
mng_uint8p pWork = pBufdelta->pImgdata + (iY * pBufdelta->iRowsize);
|
|
|
2057 |
|
|
|
2058 |
MNG_COPY (pData->pRGBArow, pWork, pBufdelta->iRowsize);
|
|
|
2059 |
|
|
|
2060 |
if (pData->fScalerow) /* scale it (if necessary) */
|
|
|
2061 |
iRetcode = ((mng_scalerow)pData->fScalerow) (pData);
|
|
|
2062 |
|
|
|
2063 |
if (!iRetcode) /* and... execute it */
|
|
|
2064 |
iRetcode = ((mng_deltarow)pData->fDeltarow) (pData);
|
|
|
2065 |
|
|
|
2066 |
if (!iRetcode) /* adjust variables for next row */
|
|
|
2067 |
iRetcode = mng_next_row (pData);
|
|
|
2068 |
|
|
|
2069 |
iY++; /* and next line */
|
|
|
2070 |
}
|
|
|
2071 |
/* drop the temporary row-buffer */
|
|
|
2072 |
MNG_FREE (pData, pData->pRGBArow, (pBufdelta->iRowsize << 1));
|
|
|
2073 |
pData->pRGBArow = pSaveRGBA; /* restore saved temp-buffer! */
|
|
|
2074 |
|
|
|
2075 |
if (iRetcode) /* on error bail out */
|
|
|
2076 |
return iRetcode;
|
|
|
2077 |
|
|
|
2078 |
}
|
|
|
2079 |
else
|
|
|
2080 |
MNG_ERROR (pData, MNG_INVALIDDELTA);
|
|
|
2081 |
|
|
|
2082 |
}
|
|
|
2083 |
}
|
|
|
2084 |
|
|
|
2085 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2086 |
MNG_TRACE (pData, MNG_FN_EXECUTE_DELTA_IMAGE, MNG_LC_END);
|
|
|
2087 |
#endif
|
|
|
2088 |
|
|
|
2089 |
return MNG_NOERROR;
|
|
|
2090 |
}
|
|
|
2091 |
#endif /* MNG_NO_DELTA_PNG */
|
|
|
2092 |
|
|
|
2093 |
/* ************************************************************************** */
|
|
|
2094 |
|
|
|
2095 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
|
2096 |
MNG_LOCAL mng_retcode save_state (mng_datap pData)
|
|
|
2097 |
{
|
|
|
2098 |
mng_savedatap pSave;
|
|
|
2099 |
mng_imagep pImage;
|
|
|
2100 |
|
|
|
2101 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2102 |
MNG_TRACE (pData, MNG_FN_SAVE_STATE, MNG_LC_START);
|
|
|
2103 |
#endif
|
|
|
2104 |
|
|
|
2105 |
if (pData->pSavedata) /* sanity check */
|
|
|
2106 |
MNG_ERROR (pData, MNG_INTERNALERROR);
|
|
|
2107 |
/* get a buffer for saving */
|
|
|
2108 |
MNG_ALLOC (pData, pData->pSavedata, sizeof (mng_savedata));
|
|
|
2109 |
|
|
|
2110 |
pSave = pData->pSavedata; /* address it more directly */
|
|
|
2111 |
/* and copy global data from the main struct */
|
|
|
2112 |
#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE)
|
|
|
2113 |
pSave->bHasglobalPLTE = pData->bHasglobalPLTE;
|
|
|
2114 |
pSave->bHasglobalTRNS = pData->bHasglobalTRNS;
|
|
|
2115 |
pSave->bHasglobalGAMA = pData->bHasglobalGAMA;
|
|
|
2116 |
pSave->bHasglobalCHRM = pData->bHasglobalCHRM;
|
|
|
2117 |
pSave->bHasglobalSRGB = pData->bHasglobalSRGB;
|
|
|
2118 |
pSave->bHasglobalICCP = pData->bHasglobalICCP;
|
|
|
2119 |
pSave->bHasglobalBKGD = pData->bHasglobalBKGD;
|
|
|
2120 |
#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */
|
|
|
2121 |
|
|
|
2122 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
|
2123 |
pSave->iBACKred = pData->iBACKred;
|
|
|
2124 |
pSave->iBACKgreen = pData->iBACKgreen;
|
|
|
2125 |
pSave->iBACKblue = pData->iBACKblue;
|
|
|
2126 |
pSave->iBACKmandatory = pData->iBACKmandatory;
|
|
|
2127 |
pSave->iBACKimageid = pData->iBACKimageid;
|
|
|
2128 |
pSave->iBACKtile = pData->iBACKtile;
|
|
|
2129 |
#endif
|
|
|
2130 |
|
|
|
2131 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
2132 |
pSave->iFRAMmode = pData->iFRAMmode;
|
|
|
2133 |
pSave->iFRAMdelay = pData->iFRAMdelay;
|
|
|
2134 |
pSave->iFRAMtimeout = pData->iFRAMtimeout;
|
|
|
2135 |
pSave->bFRAMclipping = pData->bFRAMclipping;
|
|
|
2136 |
pSave->iFRAMclipl = pData->iFRAMclipl;
|
|
|
2137 |
pSave->iFRAMclipr = pData->iFRAMclipr;
|
|
|
2138 |
pSave->iFRAMclipt = pData->iFRAMclipt;
|
|
|
2139 |
pSave->iFRAMclipb = pData->iFRAMclipb;
|
|
|
2140 |
#endif
|
|
|
2141 |
|
|
|
2142 |
pSave->iGlobalPLTEcount = pData->iGlobalPLTEcount;
|
|
|
2143 |
|
|
|
2144 |
MNG_COPY (pSave->aGlobalPLTEentries, pData->aGlobalPLTEentries, sizeof (mng_rgbpaltab));
|
|
|
2145 |
|
|
|
2146 |
pSave->iGlobalTRNSrawlen = pData->iGlobalTRNSrawlen;
|
|
|
2147 |
MNG_COPY (pSave->aGlobalTRNSrawdata, pData->aGlobalTRNSrawdata, 256);
|
|
|
2148 |
|
|
|
2149 |
pSave->iGlobalGamma = pData->iGlobalGamma;
|
|
|
2150 |
|
|
|
2151 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
|
2152 |
pSave->iGlobalWhitepointx = pData->iGlobalWhitepointx;
|
|
|
2153 |
pSave->iGlobalWhitepointy = pData->iGlobalWhitepointy;
|
|
|
2154 |
pSave->iGlobalPrimaryredx = pData->iGlobalPrimaryredx;
|
|
|
2155 |
pSave->iGlobalPrimaryredy = pData->iGlobalPrimaryredy;
|
|
|
2156 |
pSave->iGlobalPrimarygreenx = pData->iGlobalPrimarygreenx;
|
|
|
2157 |
pSave->iGlobalPrimarygreeny = pData->iGlobalPrimarygreeny;
|
|
|
2158 |
pSave->iGlobalPrimarybluex = pData->iGlobalPrimarybluex;
|
|
|
2159 |
pSave->iGlobalPrimarybluey = pData->iGlobalPrimarybluey;
|
|
|
2160 |
#endif
|
|
|
2161 |
|
|
|
2162 |
#ifndef MNG_SKIPCHUNK_sRGB
|
|
|
2163 |
pSave->iGlobalRendintent = pData->iGlobalRendintent;
|
|
|
2164 |
#endif
|
|
|
2165 |
|
|
|
2166 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
|
2167 |
pSave->iGlobalProfilesize = pData->iGlobalProfilesize;
|
|
|
2168 |
|
|
|
2169 |
if (pSave->iGlobalProfilesize) /* has a profile ? */
|
|
|
2170 |
{ /* then copy that ! */
|
|
|
2171 |
MNG_ALLOC (pData, pSave->pGlobalProfile, pSave->iGlobalProfilesize);
|
|
|
2172 |
MNG_COPY (pSave->pGlobalProfile, pData->pGlobalProfile, pSave->iGlobalProfilesize);
|
|
|
2173 |
}
|
|
|
2174 |
#endif
|
|
|
2175 |
|
|
|
2176 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
|
2177 |
pSave->iGlobalBKGDred = pData->iGlobalBKGDred;
|
|
|
2178 |
pSave->iGlobalBKGDgreen = pData->iGlobalBKGDgreen;
|
|
|
2179 |
pSave->iGlobalBKGDblue = pData->iGlobalBKGDblue;
|
|
|
2180 |
#endif
|
|
|
2181 |
|
|
|
2182 |
/* freeze current image objects */
|
|
|
2183 |
pImage = (mng_imagep)pData->pFirstimgobj;
|
|
|
2184 |
|
|
|
2185 |
while (pImage)
|
|
|
2186 |
{ /* freeze the object AND its buffer */
|
|
|
2187 |
pImage->bFrozen = MNG_TRUE;
|
|
|
2188 |
pImage->pImgbuf->bFrozen = MNG_TRUE;
|
|
|
2189 |
/* neeeext */
|
|
|
2190 |
pImage = (mng_imagep)pImage->sHeader.pNext;
|
|
|
2191 |
}
|
|
|
2192 |
|
|
|
2193 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2194 |
MNG_TRACE (pData, MNG_FN_SAVE_STATE, MNG_LC_END);
|
|
|
2195 |
#endif
|
|
|
2196 |
|
|
|
2197 |
return MNG_NOERROR;
|
|
|
2198 |
}
|
|
|
2199 |
#endif
|
|
|
2200 |
|
|
|
2201 |
/* ************************************************************************** */
|
|
|
2202 |
|
|
|
2203 |
mng_retcode mng_reset_objzero (mng_datap pData)
|
|
|
2204 |
{
|
|
|
2205 |
mng_imagep pImage = (mng_imagep)pData->pObjzero;
|
|
|
2206 |
mng_retcode iRetcode = mng_reset_object_details (pData, pImage, 0, 0, 0,
|
|
|
2207 |
0, 0, 0, 0, MNG_TRUE);
|
|
|
2208 |
|
|
|
2209 |
if (iRetcode) /* on error bail out */
|
|
|
2210 |
return iRetcode;
|
|
|
2211 |
|
|
|
2212 |
pImage->bVisible = MNG_TRUE;
|
|
|
2213 |
pImage->bViewable = MNG_TRUE;
|
|
|
2214 |
pImage->iPosx = 0;
|
|
|
2215 |
pImage->iPosy = 0;
|
|
|
2216 |
pImage->bClipped = MNG_FALSE;
|
|
|
2217 |
pImage->iClipl = 0;
|
|
|
2218 |
pImage->iClipr = 0;
|
|
|
2219 |
pImage->iClipt = 0;
|
|
|
2220 |
pImage->iClipb = 0;
|
|
|
2221 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
2222 |
pImage->iMAGN_MethodX = 0;
|
|
|
2223 |
pImage->iMAGN_MethodY = 0;
|
|
|
2224 |
pImage->iMAGN_MX = 0;
|
|
|
2225 |
pImage->iMAGN_MY = 0;
|
|
|
2226 |
pImage->iMAGN_ML = 0;
|
|
|
2227 |
pImage->iMAGN_MR = 0;
|
|
|
2228 |
pImage->iMAGN_MT = 0;
|
|
|
2229 |
pImage->iMAGN_MB = 0;
|
|
|
2230 |
#endif
|
|
|
2231 |
|
|
|
2232 |
return MNG_NOERROR;
|
|
|
2233 |
}
|
|
|
2234 |
|
|
|
2235 |
/* ************************************************************************** */
|
|
|
2236 |
|
|
|
2237 |
MNG_LOCAL mng_retcode restore_state (mng_datap pData)
|
|
|
2238 |
{
|
|
|
2239 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
|
2240 |
mng_savedatap pSave;
|
|
|
2241 |
#endif
|
|
|
2242 |
mng_imagep pImage;
|
|
|
2243 |
mng_retcode iRetcode;
|
|
|
2244 |
|
|
|
2245 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2246 |
MNG_TRACE (pData, MNG_FN_RESTORE_STATE, MNG_LC_START);
|
|
|
2247 |
#endif
|
|
|
2248 |
/* restore object 0 status !!! */
|
|
|
2249 |
iRetcode = mng_reset_objzero (pData);
|
|
|
2250 |
|
|
|
2251 |
if (iRetcode) /* on error bail out */
|
|
|
2252 |
return iRetcode;
|
|
|
2253 |
/* fresh cycle; fake no frames done yet */
|
|
|
2254 |
pData->bFramedone = MNG_FALSE;
|
|
|
2255 |
|
|
|
2256 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
|
2257 |
if (pData->pSavedata) /* do we have a saved state ? */
|
|
|
2258 |
{
|
|
|
2259 |
pSave = pData->pSavedata; /* address it more directly */
|
|
|
2260 |
/* and copy it back to the main struct */
|
|
|
2261 |
#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE)
|
|
|
2262 |
pData->bHasglobalPLTE = pSave->bHasglobalPLTE;
|
|
|
2263 |
pData->bHasglobalTRNS = pSave->bHasglobalTRNS;
|
|
|
2264 |
pData->bHasglobalGAMA = pSave->bHasglobalGAMA;
|
|
|
2265 |
pData->bHasglobalCHRM = pSave->bHasglobalCHRM;
|
|
|
2266 |
pData->bHasglobalSRGB = pSave->bHasglobalSRGB;
|
|
|
2267 |
pData->bHasglobalICCP = pSave->bHasglobalICCP;
|
|
|
2268 |
pData->bHasglobalBKGD = pSave->bHasglobalBKGD;
|
|
|
2269 |
#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */
|
|
|
2270 |
|
|
|
2271 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
|
2272 |
pData->iBACKred = pSave->iBACKred;
|
|
|
2273 |
pData->iBACKgreen = pSave->iBACKgreen;
|
|
|
2274 |
pData->iBACKblue = pSave->iBACKblue;
|
|
|
2275 |
pData->iBACKmandatory = pSave->iBACKmandatory;
|
|
|
2276 |
pData->iBACKimageid = pSave->iBACKimageid;
|
|
|
2277 |
pData->iBACKtile = pSave->iBACKtile;
|
|
|
2278 |
#endif
|
|
|
2279 |
|
|
|
2280 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
2281 |
pData->iFRAMmode = pSave->iFRAMmode;
|
|
|
2282 |
/* pData->iFRAMdelay = pSave->iFRAMdelay; */
|
|
|
2283 |
pData->iFRAMtimeout = pSave->iFRAMtimeout;
|
|
|
2284 |
pData->bFRAMclipping = pSave->bFRAMclipping;
|
|
|
2285 |
pData->iFRAMclipl = pSave->iFRAMclipl;
|
|
|
2286 |
pData->iFRAMclipr = pSave->iFRAMclipr;
|
|
|
2287 |
pData->iFRAMclipt = pSave->iFRAMclipt;
|
|
|
2288 |
pData->iFRAMclipb = pSave->iFRAMclipb;
|
|
|
2289 |
/* NOOOOOOOOOOOO */
|
|
|
2290 |
/* pData->iFramemode = pSave->iFRAMmode;
|
|
|
2291 |
pData->iFramedelay = pSave->iFRAMdelay;
|
|
|
2292 |
pData->iFrametimeout = pSave->iFRAMtimeout;
|
|
|
2293 |
pData->bFrameclipping = pSave->bFRAMclipping;
|
|
|
2294 |
pData->iFrameclipl = pSave->iFRAMclipl;
|
|
|
2295 |
pData->iFrameclipr = pSave->iFRAMclipr;
|
|
|
2296 |
pData->iFrameclipt = pSave->iFRAMclipt;
|
|
|
2297 |
pData->iFrameclipb = pSave->iFRAMclipb; */
|
|
|
2298 |
|
|
|
2299 |
/* pData->iNextdelay = pSave->iFRAMdelay; */
|
|
|
2300 |
pData->iNextdelay = pData->iFramedelay;
|
|
|
2301 |
#endif
|
|
|
2302 |
|
|
|
2303 |
pData->iGlobalPLTEcount = pSave->iGlobalPLTEcount;
|
|
|
2304 |
MNG_COPY (pData->aGlobalPLTEentries, pSave->aGlobalPLTEentries, sizeof (mng_rgbpaltab));
|
|
|
2305 |
|
|
|
2306 |
pData->iGlobalTRNSrawlen = pSave->iGlobalTRNSrawlen;
|
|
|
2307 |
MNG_COPY (pData->aGlobalTRNSrawdata, pSave->aGlobalTRNSrawdata, 256);
|
|
|
2308 |
|
|
|
2309 |
pData->iGlobalGamma = pSave->iGlobalGamma;
|
|
|
2310 |
|
|
|
2311 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
|
2312 |
pData->iGlobalWhitepointx = pSave->iGlobalWhitepointx;
|
|
|
2313 |
pData->iGlobalWhitepointy = pSave->iGlobalWhitepointy;
|
|
|
2314 |
pData->iGlobalPrimaryredx = pSave->iGlobalPrimaryredx;
|
|
|
2315 |
pData->iGlobalPrimaryredy = pSave->iGlobalPrimaryredy;
|
|
|
2316 |
pData->iGlobalPrimarygreenx = pSave->iGlobalPrimarygreenx;
|
|
|
2317 |
pData->iGlobalPrimarygreeny = pSave->iGlobalPrimarygreeny;
|
|
|
2318 |
pData->iGlobalPrimarybluex = pSave->iGlobalPrimarybluex;
|
|
|
2319 |
pData->iGlobalPrimarybluey = pSave->iGlobalPrimarybluey;
|
|
|
2320 |
#endif
|
|
|
2321 |
|
|
|
2322 |
pData->iGlobalRendintent = pSave->iGlobalRendintent;
|
|
|
2323 |
|
|
|
2324 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
|
2325 |
pData->iGlobalProfilesize = pSave->iGlobalProfilesize;
|
|
|
2326 |
|
|
|
2327 |
if (pData->iGlobalProfilesize) /* has a profile ? */
|
|
|
2328 |
{ /* then copy that ! */
|
|
|
2329 |
MNG_ALLOC (pData, pData->pGlobalProfile, pData->iGlobalProfilesize);
|
|
|
2330 |
MNG_COPY (pData->pGlobalProfile, pSave->pGlobalProfile, pData->iGlobalProfilesize);
|
|
|
2331 |
}
|
|
|
2332 |
#endif
|
|
|
2333 |
|
|
|
2334 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
|
2335 |
pData->iGlobalBKGDred = pSave->iGlobalBKGDred;
|
|
|
2336 |
pData->iGlobalBKGDgreen = pSave->iGlobalBKGDgreen;
|
|
|
2337 |
pData->iGlobalBKGDblue = pSave->iGlobalBKGDblue;
|
|
|
2338 |
#endif
|
|
|
2339 |
}
|
|
|
2340 |
else /* no saved-data; so reset the lot */
|
|
|
2341 |
#endif /* SKIPCHUNK_SAVE */
|
|
|
2342 |
{
|
|
|
2343 |
#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE)
|
|
|
2344 |
pData->bHasglobalPLTE = MNG_FALSE;
|
|
|
2345 |
pData->bHasglobalTRNS = MNG_FALSE;
|
|
|
2346 |
pData->bHasglobalGAMA = MNG_FALSE;
|
|
|
2347 |
pData->bHasglobalCHRM = MNG_FALSE;
|
|
|
2348 |
pData->bHasglobalSRGB = MNG_FALSE;
|
|
|
2349 |
pData->bHasglobalICCP = MNG_FALSE;
|
|
|
2350 |
pData->bHasglobalBKGD = MNG_FALSE;
|
|
|
2351 |
#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */
|
|
|
2352 |
|
|
|
2353 |
#ifndef MNG_SKIPCHUNK_TERM
|
|
|
2354 |
if (!pData->bMisplacedTERM) /* backward compatible ugliness !!! */
|
|
|
2355 |
{
|
|
|
2356 |
pData->iBACKred = 0;
|
|
|
2357 |
pData->iBACKgreen = 0;
|
|
|
2358 |
pData->iBACKblue = 0;
|
|
|
2359 |
pData->iBACKmandatory = 0;
|
|
|
2360 |
pData->iBACKimageid = 0;
|
|
|
2361 |
pData->iBACKtile = 0;
|
|
|
2362 |
}
|
|
|
2363 |
#endif
|
|
|
2364 |
|
|
|
2365 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
2366 |
pData->iFRAMmode = 1;
|
|
|
2367 |
/* pData->iFRAMdelay = 1; */
|
|
|
2368 |
pData->iFRAMtimeout = 0x7fffffffl;
|
|
|
2369 |
pData->bFRAMclipping = MNG_FALSE;
|
|
|
2370 |
pData->iFRAMclipl = 0;
|
|
|
2371 |
pData->iFRAMclipr = 0;
|
|
|
2372 |
pData->iFRAMclipt = 0;
|
|
|
2373 |
pData->iFRAMclipb = 0;
|
|
|
2374 |
/* NOOOOOOOOOOOO */
|
|
|
2375 |
/* pData->iFramemode = 1;
|
|
|
2376 |
pData->iFramedelay = 1;
|
|
|
2377 |
pData->iFrametimeout = 0x7fffffffl;
|
|
|
2378 |
pData->bFrameclipping = MNG_FALSE;
|
|
|
2379 |
pData->iFrameclipl = 0;
|
|
|
2380 |
pData->iFrameclipr = 0;
|
|
|
2381 |
pData->iFrameclipt = 0;
|
|
|
2382 |
pData->iFrameclipb = 0; */
|
|
|
2383 |
|
|
|
2384 |
/* pData->iNextdelay = 1; */
|
|
|
2385 |
pData->iNextdelay = pData->iFramedelay;
|
|
|
2386 |
#endif
|
|
|
2387 |
|
|
|
2388 |
pData->iGlobalPLTEcount = 0;
|
|
|
2389 |
|
|
|
2390 |
pData->iGlobalTRNSrawlen = 0;
|
|
|
2391 |
|
|
|
2392 |
pData->iGlobalGamma = 0;
|
|
|
2393 |
|
|
|
2394 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
|
2395 |
pData->iGlobalWhitepointx = 0;
|
|
|
2396 |
pData->iGlobalWhitepointy = 0;
|
|
|
2397 |
pData->iGlobalPrimaryredx = 0;
|
|
|
2398 |
pData->iGlobalPrimaryredy = 0;
|
|
|
2399 |
pData->iGlobalPrimarygreenx = 0;
|
|
|
2400 |
pData->iGlobalPrimarygreeny = 0;
|
|
|
2401 |
pData->iGlobalPrimarybluex = 0;
|
|
|
2402 |
pData->iGlobalPrimarybluey = 0;
|
|
|
2403 |
#endif
|
|
|
2404 |
|
|
|
2405 |
pData->iGlobalRendintent = 0;
|
|
|
2406 |
|
|
|
2407 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
|
2408 |
if (pData->iGlobalProfilesize) /* free a previous profile ? */
|
|
|
2409 |
MNG_FREE (pData, pData->pGlobalProfile, pData->iGlobalProfilesize);
|
|
|
2410 |
|
|
|
2411 |
pData->iGlobalProfilesize = 0;
|
|
|
2412 |
#endif
|
|
|
2413 |
|
|
|
2414 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
|
2415 |
pData->iGlobalBKGDred = 0;
|
|
|
2416 |
pData->iGlobalBKGDgreen = 0;
|
|
|
2417 |
pData->iGlobalBKGDblue = 0;
|
|
|
2418 |
#endif
|
|
|
2419 |
}
|
|
|
2420 |
|
|
|
2421 |
#ifndef MNG_SKIPCHUNK_TERM
|
|
|
2422 |
if (!pData->bMisplacedTERM) /* backward compatible ugliness !!! */
|
|
|
2423 |
{
|
|
|
2424 |
pImage = (mng_imagep)pData->pFirstimgobj;
|
|
|
2425 |
/* drop un-frozen image objects */
|
|
|
2426 |
while (pImage)
|
|
|
2427 |
{
|
|
|
2428 |
mng_imagep pNext = (mng_imagep)pImage->sHeader.pNext;
|
|
|
2429 |
|
|
|
2430 |
if (!pImage->bFrozen) /* is it un-frozen ? */
|
|
|
2431 |
{
|
|
|
2432 |
mng_imagep pPrev = (mng_imagep)pImage->sHeader.pPrev;
|
|
|
2433 |
|
|
|
2434 |
if (pPrev) /* unlink it */
|
|
|
2435 |
pPrev->sHeader.pNext = pNext;
|
|
|
2436 |
else
|
|
|
2437 |
pData->pFirstimgobj = pNext;
|
|
|
2438 |
|
|
|
2439 |
if (pNext)
|
|
|
2440 |
pNext->sHeader.pPrev = pPrev;
|
|
|
2441 |
else
|
|
|
2442 |
pData->pLastimgobj = pPrev;
|
|
|
2443 |
|
|
|
2444 |
if (pImage->pImgbuf->bFrozen) /* buffer frozen ? */
|
|
|
2445 |
{
|
|
|
2446 |
if (pImage->pImgbuf->iRefcount < 2)
|
|
|
2447 |
MNG_ERROR (pData, MNG_INTERNALERROR);
|
|
|
2448 |
/* decrease ref counter */
|
|
|
2449 |
pImage->pImgbuf->iRefcount--;
|
|
|
2450 |
/* just cleanup the object then */
|
|
|
2451 |
MNG_FREEX (pData, pImage, sizeof (mng_image));
|
|
|
2452 |
}
|
|
|
2453 |
else
|
|
|
2454 |
{ /* free the image buffer */
|
|
|
2455 |
iRetcode = mng_free_imagedataobject (pData, pImage->pImgbuf);
|
|
|
2456 |
/* and cleanup the object */
|
|
|
2457 |
MNG_FREEX (pData, pImage, sizeof (mng_image));
|
|
|
2458 |
|
|
|
2459 |
if (iRetcode) /* on error bail out */
|
|
|
2460 |
return iRetcode;
|
|
|
2461 |
}
|
|
|
2462 |
}
|
|
|
2463 |
|
|
|
2464 |
pImage = pNext; /* neeeext */
|
|
|
2465 |
}
|
|
|
2466 |
}
|
|
|
2467 |
#endif
|
|
|
2468 |
|
|
|
2469 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2470 |
MNG_TRACE (pData, MNG_FN_RESTORE_STATE, MNG_LC_END);
|
|
|
2471 |
#endif
|
|
|
2472 |
|
|
|
2473 |
return MNG_NOERROR;
|
|
|
2474 |
}
|
|
|
2475 |
|
|
|
2476 |
/* ************************************************************************** */
|
|
|
2477 |
/* * * */
|
|
|
2478 |
/* * General display processing routine * */
|
|
|
2479 |
/* * * */
|
|
|
2480 |
/* ************************************************************************** */
|
|
|
2481 |
|
|
|
2482 |
mng_retcode mng_process_display (mng_datap pData)
|
|
|
2483 |
{
|
|
|
2484 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
2485 |
|
|
|
2486 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2487 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY, MNG_LC_START);
|
|
|
2488 |
#endif
|
|
|
2489 |
|
|
|
2490 |
if (!pData->iBreakpoint) /* not broken previously ? */
|
|
|
2491 |
{
|
|
|
2492 |
if ((pData->iRequestframe) || (pData->iRequestlayer) || (pData->iRequesttime))
|
|
|
2493 |
{
|
|
|
2494 |
pData->bSearching = MNG_TRUE; /* indicate we're searching */
|
|
|
2495 |
|
|
|
2496 |
iRetcode = clear_canvas (pData); /* make the canvas virgin black ?!? */
|
|
|
2497 |
|
|
|
2498 |
if (iRetcode) /* on error bail out */
|
|
|
2499 |
return iRetcode;
|
|
|
2500 |
/* let's start from the top, shall we */
|
|
|
2501 |
pData->pCurraniobj = pData->pFirstaniobj;
|
|
|
2502 |
}
|
|
|
2503 |
}
|
|
|
2504 |
|
|
|
2505 |
do /* process the objects */
|
|
|
2506 |
{
|
|
|
2507 |
if (pData->bSearching) /* clear timer-flag when searching !!! */
|
|
|
2508 |
pData->bTimerset = MNG_FALSE;
|
|
|
2509 |
/* do we need to finish something first ? */
|
|
|
2510 |
if ((pData->iBreakpoint) && (pData->iBreakpoint < 99))
|
|
|
2511 |
{
|
|
|
2512 |
switch (pData->iBreakpoint) /* return to broken display routine */
|
|
|
2513 |
{
|
|
|
2514 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
2515 |
case 1 : { iRetcode = mng_process_display_fram2 (pData); break; }
|
|
|
2516 |
#endif
|
|
|
2517 |
#ifndef MNG_SKIPCHUNK_SHOW
|
|
|
2518 |
case 3 : ; /* same as 4 !!! */
|
|
|
2519 |
case 4 : { iRetcode = mng_process_display_show (pData); break; }
|
|
|
2520 |
#endif
|
|
|
2521 |
#ifndef MNG_SKIPCHUNK_CLON
|
|
|
2522 |
case 5 : { iRetcode = mng_process_display_clon2 (pData); break; }
|
|
|
2523 |
#endif
|
|
|
2524 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
2525 |
case 9 : { iRetcode = mng_process_display_magn2 (pData); break; }
|
|
|
2526 |
case 10 : { iRetcode = mng_process_display_mend2 (pData); break; }
|
|
|
2527 |
#endif
|
|
|
2528 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
|
2529 |
case 11 : { iRetcode = mng_process_display_past2 (pData); break; }
|
|
|
2530 |
#endif
|
|
|
2531 |
default : MNG_ERROR (pData, MNG_INTERNALERROR);
|
|
|
2532 |
}
|
|
|
2533 |
}
|
|
|
2534 |
else
|
|
|
2535 |
{
|
|
|
2536 |
if (pData->pCurraniobj)
|
|
|
2537 |
iRetcode = ((mng_object_headerp)pData->pCurraniobj)->fProcess (pData, pData->pCurraniobj);
|
|
|
2538 |
}
|
|
|
2539 |
|
|
|
2540 |
if (!pData->bTimerset) /* reset breakpoint flag ? */
|
|
|
2541 |
pData->iBreakpoint = 0;
|
|
|
2542 |
/* can we advance to next object ? */
|
|
|
2543 |
if ((!iRetcode) && (pData->pCurraniobj) &&
|
|
|
2544 |
(!pData->bTimerset) && (!pData->bSectionwait))
|
|
|
2545 |
{
|
|
|
2546 |
pData->pCurraniobj = ((mng_object_headerp)pData->pCurraniobj)->pNext;
|
|
|
2547 |
/* MEND processing to be done ? */
|
|
|
2548 |
if ((pData->eImagetype == mng_it_mng) && (!pData->pCurraniobj))
|
|
|
2549 |
iRetcode = mng_process_display_mend (pData);
|
|
|
2550 |
|
|
|
2551 |
if (!pData->pCurraniobj) /* refresh after last image ? */
|
|
|
2552 |
pData->bNeedrefresh = MNG_TRUE;
|
|
|
2553 |
}
|
|
|
2554 |
|
|
|
2555 |
if (pData->bSearching) /* are we looking for something ? */
|
|
|
2556 |
{
|
|
|
2557 |
if ((pData->iRequestframe) && (pData->iRequestframe <= pData->iFrameseq))
|
|
|
2558 |
{
|
|
|
2559 |
pData->iRequestframe = 0; /* found the frame ! */
|
|
|
2560 |
pData->bSearching = MNG_FALSE;
|
|
|
2561 |
}
|
|
|
2562 |
else
|
|
|
2563 |
if ((pData->iRequestlayer) && (pData->iRequestlayer <= pData->iLayerseq))
|
|
|
2564 |
{
|
|
|
2565 |
pData->iRequestlayer = 0; /* found the layer ! */
|
|
|
2566 |
pData->bSearching = MNG_FALSE;
|
|
|
2567 |
}
|
|
|
2568 |
else
|
|
|
2569 |
if ((pData->iRequesttime) && (pData->iRequesttime <= pData->iFrametime))
|
|
|
2570 |
{
|
|
|
2571 |
pData->iRequesttime = 0; /* found the playtime ! */
|
|
|
2572 |
pData->bSearching = MNG_FALSE;
|
|
|
2573 |
}
|
|
|
2574 |
}
|
|
|
2575 |
} /* until error or a break or no more objects */
|
|
|
2576 |
while ((!iRetcode) && (pData->pCurraniobj) &&
|
|
|
2577 |
(((pData->bRunning) && (!pData->bTimerset)) || (pData->bSearching)) &&
|
|
|
2578 |
(!pData->bSectionwait) && (!pData->bFreezing));
|
|
|
2579 |
|
|
|
2580 |
if (iRetcode) /* on error bail out */
|
|
|
2581 |
return iRetcode;
|
|
|
2582 |
/* refresh needed ? */
|
|
|
2583 |
if ((!pData->bTimerset) && (pData->bNeedrefresh))
|
|
|
2584 |
{
|
|
|
2585 |
iRetcode = mng_display_progressive_refresh (pData, 1);
|
|
|
2586 |
|
|
|
2587 |
if (iRetcode) /* on error bail out */
|
|
|
2588 |
return iRetcode;
|
|
|
2589 |
}
|
|
|
2590 |
/* timer break ? */
|
|
|
2591 |
if ((pData->bTimerset) && (!pData->iBreakpoint))
|
|
|
2592 |
pData->iBreakpoint = 99;
|
|
|
2593 |
else
|
|
|
2594 |
if (!pData->bTimerset)
|
|
|
2595 |
pData->iBreakpoint = 0; /* reset if no timer break */
|
|
|
2596 |
|
|
|
2597 |
if ((!pData->bTimerset) && (!pData->pCurraniobj))
|
|
|
2598 |
pData->bRunning = MNG_FALSE; /* all done now ! */
|
|
|
2599 |
|
|
|
2600 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2601 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY, MNG_LC_END);
|
|
|
2602 |
#endif
|
|
|
2603 |
|
|
|
2604 |
return MNG_NOERROR;
|
|
|
2605 |
}
|
|
|
2606 |
|
|
|
2607 |
/* ************************************************************************** */
|
|
|
2608 |
/* * * */
|
|
|
2609 |
/* * Chunk display processing routines * */
|
|
|
2610 |
/* * * */
|
|
|
2611 |
/* ************************************************************************** */
|
|
|
2612 |
|
|
|
2613 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
|
2614 |
png_imgtype mng_png_imgtype(mng_uint8 colortype, mng_uint8 bitdepth)
|
|
|
2615 |
{
|
|
|
2616 |
png_imgtype ret;
|
|
|
2617 |
switch (bitdepth)
|
|
|
2618 |
{
|
|
|
2619 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
2620 |
case 1:
|
|
|
2621 |
{
|
|
|
2622 |
png_imgtype imgtype[]={png_g1,png_none,png_none,png_idx1};
|
|
|
2623 |
ret=imgtype[colortype];
|
|
|
2624 |
break;
|
|
|
2625 |
}
|
|
|
2626 |
case 2:
|
|
|
2627 |
{
|
|
|
2628 |
png_imgtype imgtype[]={png_g2,png_none,png_none,png_idx2};
|
|
|
2629 |
ret=imgtype[colortype];
|
|
|
2630 |
break;
|
|
|
2631 |
}
|
|
|
2632 |
case 4:
|
|
|
2633 |
{
|
|
|
2634 |
png_imgtype imgtype[]={png_g4,png_none,png_none,png_idx4};
|
|
|
2635 |
ret=imgtype[colortype];
|
|
|
2636 |
break;
|
|
|
2637 |
}
|
|
|
2638 |
#endif
|
|
|
2639 |
case 8:
|
|
|
2640 |
{
|
|
|
2641 |
png_imgtype imgtype[]={png_g8,png_none,png_rgb8,png_idx8,png_ga8,
|
|
|
2642 |
png_none,png_rgba8};
|
|
|
2643 |
ret=imgtype[colortype];
|
|
|
2644 |
break;
|
|
|
2645 |
}
|
|
|
2646 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
2647 |
case 16:
|
|
|
2648 |
{
|
|
|
2649 |
png_imgtype imgtype[]={png_g16,png_none,png_rgb16,png_none,png_ga16,
|
|
|
2650 |
png_none,png_rgba16};
|
|
|
2651 |
ret=imgtype[colortype];
|
|
|
2652 |
break;
|
|
|
2653 |
}
|
|
|
2654 |
#endif
|
|
|
2655 |
default:
|
|
|
2656 |
ret=png_none;
|
|
|
2657 |
break;
|
|
|
2658 |
}
|
|
|
2659 |
return (ret);
|
|
|
2660 |
}
|
|
|
2661 |
#endif /* MNG_OPTIMIZE_FOOTPRINT_INIT */
|
|
|
2662 |
|
|
|
2663 |
/* ************************************************************************** */
|
|
|
2664 |
|
|
|
2665 |
mng_retcode mng_process_display_ihdr (mng_datap pData)
|
|
|
2666 |
{ /* address the current "object" if any */
|
|
|
2667 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
2668 |
|
|
|
2669 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
2670 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IHDR, MNG_LC_START);
|
|
|
2671 |
#endif
|
|
|
2672 |
|
|
|
2673 |
if (!pData->bHasDHDR)
|
|
|
2674 |
{
|
|
|
2675 |
pData->fInitrowproc = MNG_NULL; /* do nothing by default */
|
|
|
2676 |
pData->fDisplayrow = MNG_NULL;
|
|
|
2677 |
pData->fCorrectrow = MNG_NULL;
|
|
|
2678 |
pData->fStorerow = MNG_NULL;
|
|
|
2679 |
pData->fProcessrow = MNG_NULL;
|
|
|
2680 |
pData->fDifferrow = MNG_NULL;
|
|
|
2681 |
pData->pStoreobj = MNG_NULL;
|
|
|
2682 |
}
|
|
|
2683 |
|
|
|
2684 |
if (!pData->iBreakpoint) /* not previously broken ? */
|
|
|
2685 |
{
|
|
|
2686 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
2687 |
|
|
|
2688 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
2689 |
if (pData->bHasDHDR) /* is a delta-image ? */
|
|
|
2690 |
{
|
|
|
2691 |
if (pData->iDeltatype == MNG_DELTATYPE_REPLACE)
|
|
|
2692 |
iRetcode = mng_reset_object_details (pData, (mng_imagep)pData->pDeltaImage,
|
|
|
2693 |
pData->iDatawidth, pData->iDataheight,
|
|
|
2694 |
pData->iBitdepth, pData->iColortype,
|
|
|
2695 |
pData->iCompression, pData->iFilter,
|
|
|
2696 |
pData->iInterlace, MNG_TRUE);
|
|
|
2697 |
else
|
|
|
2698 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) ||
|
|
|
2699 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) )
|
|
|
2700 |
{
|
|
|
2701 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iPixelsampledepth = pData->iBitdepth;
|
|
|
2702 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iBitdepth;
|
|
|
2703 |
}
|
|
|
2704 |
else
|
|
|
2705 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) ||
|
|
|
2706 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) )
|
|
|
2707 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iBitdepth;
|
|
|
2708 |
else
|
|
|
2709 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) ||
|
|
|
2710 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) )
|
|
|
2711 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iPixelsampledepth = pData->iBitdepth;
|
|
|
2712 |
|
|
|
2713 |
if (!iRetcode)
|
|
|
2714 |
{ /* process immediately if bitdepth & colortype are equal */
|
|
|
2715 |
pData->bDeltaimmediate =
|
|
|
2716 |
(mng_bool)((pData->iBitdepth == ((mng_imagep)pData->pDeltaImage)->pImgbuf->iBitdepth ) &&
|
|
|
2717 |
(pData->iColortype == ((mng_imagep)pData->pDeltaImage)->pImgbuf->iColortype) );
|
|
|
2718 |
/* be sure to reset object 0 */
|
|
|
2719 |
iRetcode = mng_reset_object_details (pData, (mng_imagep)pData->pObjzero,
|
|
|
2720 |
pData->iDatawidth, pData->iDataheight,
|
|
|
2721 |
pData->iBitdepth, pData->iColortype,
|
|
|
2722 |
pData->iCompression, pData->iFilter,
|
|
|
2723 |
pData->iInterlace, MNG_TRUE);
|
|
|
2724 |
}
|
|
|
2725 |
}
|
|
|
2726 |
else
|
|
|
2727 |
#endif
|
|
|
2728 |
{
|
|
|
2729 |
if (pImage) /* update object buffer ? */
|
|
|
2730 |
iRetcode = mng_reset_object_details (pData, pImage,
|
|
|
2731 |
pData->iDatawidth, pData->iDataheight,
|
|
|
2732 |
pData->iBitdepth, pData->iColortype,
|
|
|
2733 |
pData->iCompression, pData->iFilter,
|
|
|
2734 |
pData->iInterlace, MNG_TRUE);
|
|
|
2735 |
else
|
|
|
2736 |
iRetcode = mng_reset_object_details (pData, (mng_imagep)pData->pObjzero,
|
|
|
2737 |
pData->iDatawidth, pData->iDataheight,
|
|
|
2738 |
pData->iBitdepth, pData->iColortype,
|
|
|
2739 |
pData->iCompression, pData->iFilter,
|
|
|
2740 |
pData->iInterlace, MNG_TRUE);
|
|
|
2741 |
}
|
|
|
2742 |
|
|
|
2743 |
if (iRetcode) /* on error bail out */
|
|
|
2744 |
return iRetcode;
|
|
|
2745 |
}
|
|
|
2746 |
|
|
|
2747 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
2748 |
if (!pData->bHasDHDR)
|
|
|
2749 |
#endif
|
|
|
2750 |
{
|
|
|
2751 |
if (pImage) /* real object ? */
|
|
|
2752 |
pData->pStoreobj = pImage; /* tell the row routines */
|
|
|
2753 |
else /* otherwise use object 0 */
|
|
|
2754 |
pData->pStoreobj = pData->pObjzero;
|
|
|
2755 |
|
|
|
2756 |
#if !defined(MNG_INCLUDE_MPNG_PROPOSAL) && !defined(MNG_INCLUDE_ANG_PROPOSAL)
|
|
|
2757 |
if ( /* display "on-the-fly" ? */
|
|
|
2758 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
2759 |
(((mng_imagep)pData->pStoreobj)->iMAGN_MethodX == 0) &&
|
|
|
2760 |
(((mng_imagep)pData->pStoreobj)->iMAGN_MethodY == 0) &&
|
|
|
2761 |
#endif
|
|
|
2762 |
( (pData->eImagetype == mng_it_png ) ||
|
|
|
2763 |
(((mng_imagep)pData->pStoreobj)->bVisible) ) )
|
|
|
2764 |
{
|
|
|
2765 |
next_layer (pData); /* that's a new layer then ! */
|
|
|
2766 |
|
|
|
2767 |
if (pData->bTimerset) /* timer break ? */
|
|
|
2768 |
pData->iBreakpoint = 2;
|
|
|
2769 |
else
|
|
|
2770 |
{
|
|
|
2771 |
pData->iBreakpoint = 0;
|
|
|
2772 |
/* anything to display ? */
|
|
|
2773 |
if ((pData->iDestr > pData->iDestl) && (pData->iDestb > pData->iDestt))
|
|
|
2774 |
set_display_routine (pData); /* then determine display routine */
|
|
|
2775 |
}
|
|
|
2776 |
}
|
|
|
2777 |
#endif
|
|
|
2778 |
}
|
|
|
2779 |
|
|
|
2780 |
if (!pData->bTimerset) /* no timer break ? */
|
|
|
2781 |
{
|
|
|
2782 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
|
2783 |
pData->fInitrowproc = (mng_fptr)mng_init_rowproc;
|
|
|
2784 |
pData->ePng_imgtype=mng_png_imgtype(pData->iColortype,pData->iBitdepth);
|
|
|
2785 |
#else
|
|
|
2786 |
switch (pData->iColortype) /* determine row initialization routine */
|
|
|
2787 |
{
|
|
|
2788 |
case 0 : { /* gray */
|
|
|
2789 |
switch (pData->iBitdepth)
|
|
|
2790 |
{
|
|
|
2791 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
2792 |
case 1 : {
|
|
|
2793 |
if (!pData->iInterlace)
|
|
|
2794 |
pData->fInitrowproc = (mng_fptr)mng_init_g1_ni;
|
|
|
2795 |
else
|
|
|
2796 |
pData->fInitrowproc = (mng_fptr)mng_init_g1_i;
|
|
|
2797 |
|
|
|
2798 |
break;
|
|
|
2799 |
}
|
|
|
2800 |
case 2 : {
|
|
|
2801 |
if (!pData->iInterlace)
|
|
|
2802 |
pData->fInitrowproc = (mng_fptr)mng_init_g2_ni;
|
|
|
2803 |
else
|
|
|
2804 |
pData->fInitrowproc = (mng_fptr)mng_init_g2_i;
|
|
|
2805 |
|
|
|
2806 |
break;
|
|
|
2807 |
}
|
|
|
2808 |
case 4 : {
|
|
|
2809 |
if (!pData->iInterlace)
|
|
|
2810 |
pData->fInitrowproc = (mng_fptr)mng_init_g4_ni;
|
|
|
2811 |
else
|
|
|
2812 |
pData->fInitrowproc = (mng_fptr)mng_init_g4_i;
|
|
|
2813 |
break;
|
|
|
2814 |
}
|
|
|
2815 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
2816 |
case 8 : {
|
|
|
2817 |
if (!pData->iInterlace)
|
|
|
2818 |
pData->fInitrowproc = (mng_fptr)mng_init_g8_ni;
|
|
|
2819 |
else
|
|
|
2820 |
pData->fInitrowproc = (mng_fptr)mng_init_g8_i;
|
|
|
2821 |
|
|
|
2822 |
break;
|
|
|
2823 |
}
|
|
|
2824 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
2825 |
case 16 : {
|
|
|
2826 |
if (!pData->iInterlace)
|
|
|
2827 |
pData->fInitrowproc = (mng_fptr)mng_init_g16_ni;
|
|
|
2828 |
else
|
|
|
2829 |
pData->fInitrowproc = (mng_fptr)mng_init_g16_i;
|
|
|
2830 |
|
|
|
2831 |
break;
|
|
|
2832 |
}
|
|
|
2833 |
#endif
|
|
|
2834 |
}
|
|
|
2835 |
|
|
|
2836 |
break;
|
|
|
2837 |
}
|
|
|
2838 |
case 2 : { /* rgb */
|
|
|
2839 |
switch (pData->iBitdepth)
|
|
|
2840 |
{
|
|
|
2841 |
case 8 : {
|
|
|
2842 |
if (!pData->iInterlace)
|
|
|
2843 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb8_ni;
|
|
|
2844 |
else
|
|
|
2845 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb8_i;
|
|
|
2846 |
break;
|
|
|
2847 |
}
|
|
|
2848 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
2849 |
case 16 : {
|
|
|
2850 |
if (!pData->iInterlace)
|
|
|
2851 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb16_ni;
|
|
|
2852 |
else
|
|
|
2853 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb16_i;
|
|
|
2854 |
|
|
|
2855 |
break;
|
|
|
2856 |
}
|
|
|
2857 |
#endif
|
|
|
2858 |
}
|
|
|
2859 |
|
|
|
2860 |
break;
|
|
|
2861 |
}
|
|
|
2862 |
case 3 : { /* indexed */
|
|
|
2863 |
switch (pData->iBitdepth)
|
|
|
2864 |
{
|
|
|
2865 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
2866 |
case 1 : {
|
|
|
2867 |
if (!pData->iInterlace)
|
|
|
2868 |
pData->fInitrowproc = (mng_fptr)mng_init_idx1_ni;
|
|
|
2869 |
else
|
|
|
2870 |
pData->fInitrowproc = (mng_fptr)mng_init_idx1_i;
|
|
|
2871 |
|
|
|
2872 |
break;
|
|
|
2873 |
}
|
|
|
2874 |
case 2 : {
|
|
|
2875 |
if (!pData->iInterlace)
|
|
|
2876 |
pData->fInitrowproc = (mng_fptr)mng_init_idx2_ni;
|
|
|
2877 |
else
|
|
|
2878 |
pData->fInitrowproc = (mng_fptr)mng_init_idx2_i;
|
|
|
2879 |
|
|
|
2880 |
break;
|
|
|
2881 |
}
|
|
|
2882 |
case 4 : {
|
|
|
2883 |
if (!pData->iInterlace)
|
|
|
2884 |
pData->fInitrowproc = (mng_fptr)mng_init_idx4_ni;
|
|
|
2885 |
else
|
|
|
2886 |
pData->fInitrowproc = (mng_fptr)mng_init_idx4_i;
|
|
|
2887 |
|
|
|
2888 |
break;
|
|
|
2889 |
}
|
|
|
2890 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
2891 |
case 8 : {
|
|
|
2892 |
if (!pData->iInterlace)
|
|
|
2893 |
pData->fInitrowproc = (mng_fptr)mng_init_idx8_ni;
|
|
|
2894 |
else
|
|
|
2895 |
pData->fInitrowproc = (mng_fptr)mng_init_idx8_i;
|
|
|
2896 |
|
|
|
2897 |
break;
|
|
|
2898 |
}
|
|
|
2899 |
}
|
|
|
2900 |
|
|
|
2901 |
break;
|
|
|
2902 |
}
|
|
|
2903 |
case 4 : { /* gray+alpha */
|
|
|
2904 |
switch (pData->iBitdepth)
|
|
|
2905 |
{
|
|
|
2906 |
case 8 : {
|
|
|
2907 |
if (!pData->iInterlace)
|
|
|
2908 |
pData->fInitrowproc = (mng_fptr)mng_init_ga8_ni;
|
|
|
2909 |
else
|
|
|
2910 |
pData->fInitrowproc = (mng_fptr)mng_init_ga8_i;
|
|
|
2911 |
|
|
|
2912 |
break;
|
|
|
2913 |
}
|
|
|
2914 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
2915 |
case 16 : {
|
|
|
2916 |
if (!pData->iInterlace)
|
|
|
2917 |
pData->fInitrowproc = (mng_fptr)mng_init_ga16_ni;
|
|
|
2918 |
else
|
|
|
2919 |
pData->fInitrowproc = (mng_fptr)mng_init_ga16_i;
|
|
|
2920 |
break;
|
|
|
2921 |
}
|
|
|
2922 |
#endif
|
|
|
2923 |
}
|
|
|
2924 |
|
|
|
2925 |
break;
|
|
|
2926 |
}
|
|
|
2927 |
case 6 : { /* rgb+alpha */
|
|
|
2928 |
switch (pData->iBitdepth)
|
|
|
2929 |
{
|
|
|
2930 |
case 8 : {
|
|
|
2931 |
if (!pData->iInterlace)
|
|
|
2932 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba8_ni;
|
|
|
2933 |
else
|
|
|
2934 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba8_i;
|
|
|
2935 |
|
|
|
2936 |
break;
|
|
|
2937 |
}
|
|
|
2938 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
2939 |
case 16 : {
|
|
|
2940 |
if (!pData->iInterlace)
|
|
|
2941 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba16_ni;
|
|
|
2942 |
else
|
|
|
2943 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba16_i;
|
|
|
2944 |
|
|
|
2945 |
break;
|
|
|
2946 |
}
|
|
|
2947 |
#endif
|
|
|
2948 |
}
|
|
|
2949 |
|
|
|
2950 |
break;
|
|
|
2951 |
}
|
|
|
2952 |
}
|
|
|
2953 |
#endif /* MNG_OPTIMIZE_FOOTPRINT_INIT */
|
|
|
2954 |
|
|
|
2955 |
pData->iFilterofs = 0; /* determine filter characteristics */
|
|
|
2956 |
pData->iLevel0 = 0; /* default levels */
|
|
|
2957 |
pData->iLevel1 = 0;
|
|
|
2958 |
pData->iLevel2 = 0;
|
|
|
2959 |
pData->iLevel3 = 0;
|
|
|
2960 |
|
|
|
2961 |
#ifdef FILTER192 /* leveling & differing ? */
|
|
|
2962 |
if (pData->iFilter == MNG_FILTER_DIFFERING)
|
|
|
2963 |
{
|
|
|
2964 |
switch (pData->iColortype)
|
|
|
2965 |
{
|
|
|
2966 |
case 0 : {
|
|
|
2967 |
if (pData->iBitdepth <= 8)
|
|
|
2968 |
pData->iFilterofs = 1;
|
|
|
2969 |
else
|
|
|
2970 |
pData->iFilterofs = 2;
|
|
|
2971 |
|
|
|
2972 |
break;
|
|
|
2973 |
}
|
|
|
2974 |
case 2 : {
|
|
|
2975 |
if (pData->iBitdepth <= 8)
|
|
|
2976 |
pData->iFilterofs = 3;
|
|
|
2977 |
else
|
|
|
2978 |
pData->iFilterofs = 6;
|
|
|
2979 |
|
|
|
2980 |
break;
|
|
|
2981 |
}
|
|
|
2982 |
case 3 : {
|
|
|
2983 |
pData->iFilterofs = 1;
|
|
|
2984 |
break;
|
|
|
2985 |
}
|
|
|
2986 |
case 4 : {
|
|
|
2987 |
if (pData->iBitdepth <= 8)
|
|
|
2988 |
pData->iFilterofs = 2;
|
|
|
2989 |
else
|
|
|
2990 |
pData->iFilterofs = 4;
|
|
|
2991 |
|
|
|
2992 |
break;
|
|
|
2993 |
}
|
|
|
2994 |
case 6 : {
|
|
|
2995 |
if (pData->iBitdepth <= 8)
|
|
|
2996 |
pData->iFilterofs = 4;
|
|
|
2997 |
else
|
|
|
2998 |
pData->iFilterofs = 8;
|
|
|
2999 |
|
|
|
3000 |
break;
|
|
|
3001 |
}
|
|
|
3002 |
}
|
|
|
3003 |
}
|
|
|
3004 |
#endif
|
|
|
3005 |
|
|
|
3006 |
#ifdef FILTER193 /* no adaptive filtering ? */
|
|
|
3007 |
if (pData->iFilter == MNG_FILTER_NOFILTER)
|
|
|
3008 |
pData->iPixelofs = pData->iFilterofs;
|
|
|
3009 |
else
|
|
|
3010 |
#endif
|
|
|
3011 |
pData->iPixelofs = pData->iFilterofs + 1;
|
|
|
3012 |
|
|
|
3013 |
}
|
|
|
3014 |
|
|
|
3015 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3016 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IHDR, MNG_LC_END);
|
|
|
3017 |
#endif
|
|
|
3018 |
|
|
|
3019 |
return MNG_NOERROR;
|
|
|
3020 |
}
|
|
|
3021 |
|
|
|
3022 |
/* ************************************************************************** */
|
|
|
3023 |
|
|
|
3024 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
|
3025 |
mng_retcode mng_process_display_mpng (mng_datap pData)
|
|
|
3026 |
{
|
|
|
3027 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3028 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MPNG, MNG_LC_START);
|
|
|
3029 |
#endif
|
|
|
3030 |
|
|
|
3031 |
pData->iAlphadepth = 8; /* assume transparency !! */
|
|
|
3032 |
|
|
|
3033 |
if (pData->fProcessheader) /* inform the app (creating the output canvas) ? */
|
|
|
3034 |
{
|
|
|
3035 |
pData->iWidth = ((mng_mpng_objp)pData->pMPNG)->iFramewidth;
|
|
|
3036 |
pData->iHeight = ((mng_mpng_objp)pData->pMPNG)->iFrameheight;
|
|
|
3037 |
|
|
|
3038 |
if (!pData->fProcessheader (((mng_handle)pData), pData->iWidth, pData->iHeight))
|
|
|
3039 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
3040 |
}
|
|
|
3041 |
|
|
|
3042 |
next_layer (pData); /* first mPNG layer then ! */
|
|
|
3043 |
pData->bTimerset = MNG_FALSE;
|
|
|
3044 |
pData->iBreakpoint = 0;
|
|
|
3045 |
|
|
|
3046 |
if ((pData->iDestr > pData->iDestl) && (pData->iDestb > pData->iDestt))
|
|
|
3047 |
set_display_routine (pData); /* then determine display routine */
|
|
|
3048 |
|
|
|
3049 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3050 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MPNG, MNG_LC_END);
|
|
|
3051 |
#endif
|
|
|
3052 |
|
|
|
3053 |
return MNG_NOERROR;
|
|
|
3054 |
}
|
|
|
3055 |
#endif
|
|
|
3056 |
|
|
|
3057 |
/* ************************************************************************** */
|
|
|
3058 |
|
|
|
3059 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
|
3060 |
mng_retcode mng_process_display_ang (mng_datap pData)
|
|
|
3061 |
{
|
|
|
3062 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3063 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_ANG, MNG_LC_START);
|
|
|
3064 |
#endif
|
|
|
3065 |
|
|
|
3066 |
if (pData->fProcessheader) /* inform the app (creating the output canvas) ? */
|
|
|
3067 |
{
|
|
|
3068 |
if (!pData->fProcessheader (((mng_handle)pData), pData->iWidth, pData->iHeight))
|
|
|
3069 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
3070 |
}
|
|
|
3071 |
|
|
|
3072 |
next_layer (pData); /* first mPNG layer then ! */
|
|
|
3073 |
pData->bTimerset = MNG_FALSE;
|
|
|
3074 |
pData->iBreakpoint = 0;
|
|
|
3075 |
|
|
|
3076 |
if ((pData->iDestr > pData->iDestl) && (pData->iDestb > pData->iDestt))
|
|
|
3077 |
set_display_routine (pData); /* then determine display routine */
|
|
|
3078 |
|
|
|
3079 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3080 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_ANG, MNG_LC_END);
|
|
|
3081 |
#endif
|
|
|
3082 |
|
|
|
3083 |
return MNG_NOERROR;
|
|
|
3084 |
}
|
|
|
3085 |
#endif
|
|
|
3086 |
|
|
|
3087 |
/* ************************************************************************** */
|
|
|
3088 |
|
|
|
3089 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3090 |
mng_retcode mng_process_display_idat (mng_datap pData,
|
|
|
3091 |
mng_uint32 iRawlen,
|
|
|
3092 |
mng_uint8p pRawdata)
|
|
|
3093 |
#else
|
|
|
3094 |
mng_retcode mng_process_display_idat (mng_datap pData)
|
|
|
3095 |
#endif
|
|
|
3096 |
{
|
|
|
3097 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
3098 |
|
|
|
3099 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3100 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IDAT, MNG_LC_START);
|
|
|
3101 |
#endif
|
|
|
3102 |
|
|
|
3103 |
#if defined(MNG_INCLUDE_MPNG_PROPOSAL) || defined(MNG_INCLUDE_ANG_PROPOSAL)
|
|
|
3104 |
if ((pData->eImagetype == mng_it_png) && (pData->iLayerseq <= 0))
|
|
|
3105 |
{
|
|
|
3106 |
if (pData->fProcessheader) /* inform the app (creating the output canvas) ? */
|
|
|
3107 |
if (!pData->fProcessheader (((mng_handle)pData), pData->iWidth, pData->iHeight))
|
|
|
3108 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
3109 |
|
|
|
3110 |
next_layer (pData); /* first regular PNG layer then ! */
|
|
|
3111 |
pData->bTimerset = MNG_FALSE;
|
|
|
3112 |
pData->iBreakpoint = 0;
|
|
|
3113 |
|
|
|
3114 |
if ((pData->iDestr > pData->iDestl) && (pData->iDestb > pData->iDestt))
|
|
|
3115 |
set_display_routine (pData); /* then determine display routine */
|
|
|
3116 |
}
|
|
|
3117 |
#endif
|
|
|
3118 |
|
|
|
3119 |
if (pData->bRestorebkgd) /* need to restore the background ? */
|
|
|
3120 |
{
|
|
|
3121 |
pData->bRestorebkgd = MNG_FALSE;
|
|
|
3122 |
iRetcode = load_bkgdlayer (pData);
|
|
|
3123 |
|
|
|
3124 |
if (iRetcode) /* on error bail out */
|
|
|
3125 |
return iRetcode;
|
|
|
3126 |
|
|
|
3127 |
pData->iLayerseq++; /* and it counts as a layer then ! */
|
|
|
3128 |
}
|
|
|
3129 |
|
|
|
3130 |
if (pData->fInitrowproc) /* need to initialize row processing? */
|
|
|
3131 |
{
|
|
|
3132 |
iRetcode = ((mng_initrowproc)pData->fInitrowproc) (pData);
|
|
|
3133 |
pData->fInitrowproc = MNG_NULL; /* only call this once !!! */
|
|
|
3134 |
}
|
|
|
3135 |
|
|
|
3136 |
if ((!iRetcode) && (!pData->bInflating))
|
|
|
3137 |
/* initialize inflate */
|
|
|
3138 |
iRetcode = mngzlib_inflateinit (pData);
|
|
|
3139 |
|
|
|
3140 |
if (!iRetcode) /* all ok? then inflate, my man */
|
|
|
3141 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3142 |
iRetcode = mngzlib_inflaterows (pData, iRawlen, pRawdata);
|
|
|
3143 |
#else
|
|
|
3144 |
iRetcode = mngzlib_inflaterows (pData, pData->iRawlen, pData->pRawdata);
|
|
|
3145 |
#endif
|
|
|
3146 |
|
|
|
3147 |
if (iRetcode) /* on error bail out */
|
|
|
3148 |
return iRetcode;
|
|
|
3149 |
|
|
|
3150 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3151 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IDAT, MNG_LC_END);
|
|
|
3152 |
#endif
|
|
|
3153 |
|
|
|
3154 |
return MNG_NOERROR;
|
|
|
3155 |
}
|
|
|
3156 |
|
|
|
3157 |
/* ************************************************************************** */
|
|
|
3158 |
|
|
|
3159 |
mng_retcode mng_process_display_iend (mng_datap pData)
|
|
|
3160 |
{
|
|
|
3161 |
mng_retcode iRetcode, iRetcode2;
|
|
|
3162 |
mng_bool bDodisplay = MNG_FALSE;
|
|
|
3163 |
mng_bool bMagnify = MNG_FALSE;
|
|
|
3164 |
mng_bool bCleanup = (mng_bool)(pData->iBreakpoint != 0);
|
|
|
3165 |
|
|
|
3166 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3167 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IEND, MNG_LC_START);
|
|
|
3168 |
#endif
|
|
|
3169 |
|
|
|
3170 |
#ifdef MNG_INCLUDE_JNG /* progressive+alpha JNG can be displayed now */
|
|
|
3171 |
if ( (pData->bHasJHDR ) &&
|
|
|
3172 |
( (pData->bJPEGprogressive) || (pData->bJPEGprogressive2)) &&
|
|
|
3173 |
( (pData->eImagetype == mng_it_jng ) ||
|
|
|
3174 |
(((mng_imagep)pData->pStoreobj)->bVisible) ) &&
|
|
|
3175 |
( (pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA ) ||
|
|
|
3176 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) ) )
|
|
|
3177 |
bDodisplay = MNG_TRUE;
|
|
|
3178 |
#endif
|
|
|
3179 |
|
|
|
3180 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
3181 |
if ( (pData->pStoreobj) && /* on-the-fly magnification ? */
|
|
|
3182 |
( (((mng_imagep)pData->pStoreobj)->iMAGN_MethodX) ||
|
|
|
3183 |
(((mng_imagep)pData->pStoreobj)->iMAGN_MethodY) ) )
|
|
|
3184 |
bMagnify = MNG_TRUE;
|
|
|
3185 |
#endif
|
|
|
3186 |
|
|
|
3187 |
if ((pData->bHasBASI) || /* was it a BASI stream */
|
|
|
3188 |
(bDodisplay) || /* or should we display the JNG */
|
|
|
3189 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
3190 |
(bMagnify) || /* or should we magnify it */
|
|
|
3191 |
#endif
|
|
|
3192 |
/* or did we get broken here last time ? */
|
|
|
3193 |
((pData->iBreakpoint) && (pData->iBreakpoint != 8)))
|
|
|
3194 |
{
|
|
|
3195 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
3196 |
|
|
|
3197 |
if (!pImage) /* or was it object 0 ? */
|
|
|
3198 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
3199 |
/* display it now then ? */
|
|
|
3200 |
if ((pImage->bVisible) && (pImage->bViewable))
|
|
|
3201 |
{ /* ok, so do it */
|
|
|
3202 |
iRetcode = mng_display_image (pData, pImage, bDodisplay);
|
|
|
3203 |
|
|
|
3204 |
if (iRetcode) /* on error bail out */
|
|
|
3205 |
return iRetcode;
|
|
|
3206 |
|
|
|
3207 |
if (pData->bTimerset) /* timer break ? */
|
|
|
3208 |
pData->iBreakpoint = 6;
|
|
|
3209 |
}
|
|
|
3210 |
}
|
|
|
3211 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
3212 |
else
|
|
|
3213 |
if ((pData->bHasDHDR) || /* was it a DHDR stream */
|
|
|
3214 |
(pData->iBreakpoint == 8)) /* or did we get broken here last time ? */
|
|
|
3215 |
{
|
|
|
3216 |
mng_imagep pImage = (mng_imagep)pData->pDeltaImage;
|
|
|
3217 |
|
|
|
3218 |
if (!pData->iBreakpoint)
|
|
|
3219 |
{ /* perform the delta operations needed */
|
|
|
3220 |
iRetcode = mng_execute_delta_image (pData, pImage, (mng_imagep)pData->pObjzero);
|
|
|
3221 |
|
|
|
3222 |
if (iRetcode) /* on error bail out */
|
|
|
3223 |
return iRetcode;
|
|
|
3224 |
}
|
|
|
3225 |
/* display it now then ? */
|
|
|
3226 |
if ((pImage->bVisible) && (pImage->bViewable))
|
|
|
3227 |
{ /* ok, so do it */
|
|
|
3228 |
iRetcode = mng_display_image (pData, pImage, MNG_FALSE);
|
|
|
3229 |
|
|
|
3230 |
if (iRetcode) /* on error bail out */
|
|
|
3231 |
return iRetcode;
|
|
|
3232 |
|
|
|
3233 |
if (pData->bTimerset) /* timer break ? */
|
|
|
3234 |
pData->iBreakpoint = 8;
|
|
|
3235 |
}
|
|
|
3236 |
}
|
|
|
3237 |
#endif
|
|
|
3238 |
|
|
|
3239 |
if (!pData->bTimerset) /* can we continue ? */
|
|
|
3240 |
{
|
|
|
3241 |
pData->iBreakpoint = 0; /* clear this flag now ! */
|
|
|
3242 |
|
|
|
3243 |
|
|
|
3244 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
|
3245 |
if (pData->eImagetype == mng_it_mpng)
|
|
|
3246 |
{
|
|
|
3247 |
pData->pCurraniobj = pData->pFirstaniobj;
|
|
|
3248 |
} else
|
|
|
3249 |
#endif
|
|
|
3250 |
#ifdef MNG_INCLUDE_ANG_PROPOSAL
|
|
|
3251 |
if (pData->eImagetype == mng_it_ang)
|
|
|
3252 |
{
|
|
|
3253 |
pData->pCurraniobj = pData->pFirstaniobj;
|
|
|
3254 |
} else
|
|
|
3255 |
#endif
|
|
|
3256 |
{ /* cleanup object 0 */
|
|
|
3257 |
mng_reset_object_details (pData, (mng_imagep)pData->pObjzero,
|
|
|
3258 |
0, 0, 0, 0, 0, 0, 0, MNG_TRUE);
|
|
|
3259 |
}
|
|
|
3260 |
|
|
|
3261 |
if (pData->bInflating) /* if we've been inflating */
|
|
|
3262 |
{ /* cleanup row-processing, */
|
|
|
3263 |
iRetcode = mng_cleanup_rowproc (pData);
|
|
|
3264 |
/* also cleanup inflate! */
|
|
|
3265 |
iRetcode2 = mngzlib_inflatefree (pData);
|
|
|
3266 |
|
|
|
3267 |
if (iRetcode) /* on error bail out */
|
|
|
3268 |
return iRetcode;
|
|
|
3269 |
if (iRetcode2)
|
|
|
3270 |
return iRetcode2;
|
|
|
3271 |
}
|
|
|
3272 |
|
|
|
3273 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3274 |
if (pData->bJPEGdecompress) /* if we've been decompressing JDAT */
|
|
|
3275 |
{ /* cleanup row-processing, */
|
|
|
3276 |
iRetcode = mng_cleanup_rowproc (pData);
|
|
|
3277 |
/* also cleanup decompress! */
|
|
|
3278 |
iRetcode2 = mngjpeg_decompressfree (pData);
|
|
|
3279 |
|
|
|
3280 |
if (iRetcode) /* on error bail out */
|
|
|
3281 |
return iRetcode;
|
|
|
3282 |
if (iRetcode2)
|
|
|
3283 |
return iRetcode2;
|
|
|
3284 |
}
|
|
|
3285 |
|
|
|
3286 |
if (pData->bJPEGdecompress2) /* if we've been decompressing JDAA */
|
|
|
3287 |
{ /* cleanup row-processing, */
|
|
|
3288 |
iRetcode = mng_cleanup_rowproc (pData);
|
|
|
3289 |
/* also cleanup decompress! */
|
|
|
3290 |
iRetcode2 = mngjpeg_decompressfree2 (pData);
|
|
|
3291 |
|
|
|
3292 |
if (iRetcode) /* on error bail out */
|
|
|
3293 |
return iRetcode;
|
|
|
3294 |
if (iRetcode2)
|
|
|
3295 |
return iRetcode2;
|
|
|
3296 |
}
|
|
|
3297 |
#endif
|
|
|
3298 |
|
|
|
3299 |
if (bCleanup) /* if we got broken last time we need to cleanup */
|
|
|
3300 |
{
|
|
|
3301 |
pData->bHasIHDR = MNG_FALSE; /* IEND signals the end for most ... */
|
|
|
3302 |
pData->bHasBASI = MNG_FALSE;
|
|
|
3303 |
pData->bHasDHDR = MNG_FALSE;
|
|
|
3304 |
#ifdef MNG_INCLUDE_JNG
|
|
|
3305 |
pData->bHasJHDR = MNG_FALSE;
|
|
|
3306 |
pData->bHasJSEP = MNG_FALSE;
|
|
|
3307 |
pData->bHasJDAA = MNG_FALSE;
|
|
|
3308 |
pData->bHasJDAT = MNG_FALSE;
|
|
|
3309 |
#endif
|
|
|
3310 |
pData->bHasPLTE = MNG_FALSE;
|
|
|
3311 |
pData->bHasTRNS = MNG_FALSE;
|
|
|
3312 |
pData->bHasGAMA = MNG_FALSE;
|
|
|
3313 |
pData->bHasCHRM = MNG_FALSE;
|
|
|
3314 |
pData->bHasSRGB = MNG_FALSE;
|
|
|
3315 |
pData->bHasICCP = MNG_FALSE;
|
|
|
3316 |
pData->bHasBKGD = MNG_FALSE;
|
|
|
3317 |
pData->bHasIDAT = MNG_FALSE;
|
|
|
3318 |
}
|
|
|
3319 |
/* if the image was displayed on the fly, */
|
|
|
3320 |
/* we'll have to make the app refresh */
|
|
|
3321 |
if ((pData->eImagetype != mng_it_mng) && (pData->fDisplayrow))
|
|
|
3322 |
pData->bNeedrefresh = MNG_TRUE;
|
|
|
3323 |
|
|
|
3324 |
}
|
|
|
3325 |
|
|
|
3326 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3327 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IEND, MNG_LC_END);
|
|
|
3328 |
#endif
|
|
|
3329 |
|
|
|
3330 |
return MNG_NOERROR;
|
|
|
3331 |
}
|
|
|
3332 |
|
|
|
3333 |
/* ************************************************************************** */
|
|
|
3334 |
|
|
|
3335 |
/* change in the MNG spec with regards to TERM delay & interframe_delay
|
|
|
3336 |
as proposed by Adam M. Costello (option 4) and finalized by official vote
|
|
|
3337 |
during december 2002 / check the 'mng-list' archives for more details */
|
|
|
3338 |
|
|
|
3339 |
mng_retcode mng_process_display_mend (mng_datap pData)
|
|
|
3340 |
{
|
|
|
3341 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3342 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MEND, MNG_LC_START);
|
|
|
3343 |
#endif
|
|
|
3344 |
|
|
|
3345 |
pData->bForcedelay = pData->iAccumdelay ? MNG_FALSE : MNG_TRUE;
|
|
|
3346 |
pData->iAccumdelay = 0;
|
|
|
3347 |
|
|
|
3348 |
#ifdef MNG_SUPPORT_DYNAMICMNG
|
|
|
3349 |
if (pData->bStopafterseek) /* need to stop after this ? */
|
|
|
3350 |
{
|
|
|
3351 |
pData->bFreezing = MNG_TRUE; /* stop processing on this one */
|
|
|
3352 |
pData->bRunningevent = MNG_FALSE;
|
|
|
3353 |
pData->bStopafterseek = MNG_FALSE;
|
|
|
3354 |
pData->bNeedrefresh = MNG_TRUE; /* make sure the last bit is displayed ! */
|
|
|
3355 |
}
|
|
|
3356 |
#endif
|
|
|
3357 |
|
|
|
3358 |
#ifndef MNG_SKIPCHUNK_TERM
|
|
|
3359 |
/* TERM processed ? */
|
|
|
3360 |
if ((pData->bDisplaying) && (pData->bRunning) &&
|
|
|
3361 |
(pData->bHasTERM) && (pData->pTermaniobj))
|
|
|
3362 |
{
|
|
|
3363 |
mng_retcode iRetcode;
|
|
|
3364 |
mng_ani_termp pTERM;
|
|
|
3365 |
/* get the right animation object ! */
|
|
|
3366 |
pTERM = (mng_ani_termp)pData->pTermaniobj;
|
|
|
3367 |
|
|
|
3368 |
pData->iIterations++; /* increase iteration count */
|
|
|
3369 |
|
|
|
3370 |
switch (pTERM->iTermaction) /* determine what to do! */
|
|
|
3371 |
{
|
|
|
3372 |
case 0 : { /* show last frame indefinitly */
|
|
|
3373 |
break; /* piece of cake, that is... */
|
|
|
3374 |
}
|
|
|
3375 |
|
|
|
3376 |
case 1 : { /* cease displaying anything */
|
|
|
3377 |
/* max(1, TERM delay, interframe_delay) */
|
|
|
3378 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
3379 |
if (pTERM->iDelay > pData->iFramedelay)
|
|
|
3380 |
pData->iFramedelay = pTERM->iDelay;
|
|
|
3381 |
if (!pData->iFramedelay)
|
|
|
3382 |
pData->iFramedelay = 1;
|
|
|
3383 |
#endif
|
|
|
3384 |
|
|
|
3385 |
iRetcode = interframe_delay (pData);
|
|
|
3386 |
/* no interframe_delay? then fake it */
|
|
|
3387 |
if ((!iRetcode) && (!pData->bTimerset))
|
|
|
3388 |
iRetcode = set_delay (pData, 1);
|
|
|
3389 |
|
|
|
3390 |
if (iRetcode)
|
|
|
3391 |
return iRetcode;
|
|
|
3392 |
|
|
|
3393 |
pData->iBreakpoint = 10;
|
|
|
3394 |
break;
|
|
|
3395 |
}
|
|
|
3396 |
|
|
|
3397 |
case 2 : { /* show first image after TERM */
|
|
|
3398 |
iRetcode = restore_state (pData);
|
|
|
3399 |
|
|
|
3400 |
if (iRetcode) /* on error bail out */
|
|
|
3401 |
return iRetcode;
|
|
|
3402 |
/* notify the app ? */
|
|
|
3403 |
if (pData->fProcessmend)
|
|
|
3404 |
if (!pData->fProcessmend ((mng_handle)pData, pData->iIterations, 0))
|
|
|
3405 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
3406 |
|
|
|
3407 |
/* show first frame after TERM chunk */
|
|
|
3408 |
pData->pCurraniobj = pTERM;
|
|
|
3409 |
pData->bOnlyfirstframe = MNG_TRUE;
|
|
|
3410 |
pData->iFramesafterTERM = 0;
|
|
|
3411 |
|
|
|
3412 |
/* max(1, TERM delay, interframe_delay) */
|
|
|
3413 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
3414 |
if (pTERM->iDelay > pData->iFramedelay)
|
|
|
3415 |
pData->iFramedelay = pTERM->iDelay;
|
|
|
3416 |
if (!pData->iFramedelay)
|
|
|
3417 |
pData->iFramedelay = 1;
|
|
|
3418 |
#endif
|
|
|
3419 |
|
|
|
3420 |
break;
|
|
|
3421 |
}
|
|
|
3422 |
|
|
|
3423 |
case 3 : { /* repeat */
|
|
|
3424 |
if ((pTERM->iItermax) && (pTERM->iItermax < 0x7FFFFFFF))
|
|
|
3425 |
pTERM->iItermax--;
|
|
|
3426 |
|
|
|
3427 |
if (pTERM->iItermax) /* go back to TERM ? */
|
|
|
3428 |
{ /* restore to initial or SAVE state */
|
|
|
3429 |
iRetcode = restore_state (pData);
|
|
|
3430 |
|
|
|
3431 |
if (iRetcode) /* on error bail out */
|
|
|
3432 |
return iRetcode;
|
|
|
3433 |
/* notify the app ? */
|
|
|
3434 |
if (pData->fProcessmend)
|
|
|
3435 |
if (!pData->fProcessmend ((mng_handle)pData,
|
|
|
3436 |
pData->iIterations, pTERM->iItermax))
|
|
|
3437 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
3438 |
|
|
|
3439 |
/* restart from TERM chunk */
|
|
|
3440 |
pData->pCurraniobj = pTERM;
|
|
|
3441 |
|
|
|
3442 |
if (pTERM->iDelay) /* set the delay (?) */
|
|
|
3443 |
{
|
|
|
3444 |
/* max(1, TERM delay, interframe_delay) */
|
|
|
3445 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
3446 |
if (pTERM->iDelay > pData->iFramedelay)
|
|
|
3447 |
pData->iFramedelay = pTERM->iDelay;
|
|
|
3448 |
if (!pData->iFramedelay)
|
|
|
3449 |
pData->iFramedelay = 1;
|
|
|
3450 |
#endif
|
|
|
3451 |
|
|
|
3452 |
pData->bNeedrefresh = MNG_TRUE;
|
|
|
3453 |
}
|
|
|
3454 |
}
|
|
|
3455 |
else
|
|
|
3456 |
{
|
|
|
3457 |
switch (pTERM->iIteraction)
|
|
|
3458 |
{
|
|
|
3459 |
case 0 : { /* show last frame indefinitly */
|
|
|
3460 |
break; /* piece of cake, that is... */
|
|
|
3461 |
}
|
|
|
3462 |
|
|
|
3463 |
case 1 : { /* cease displaying anything */
|
|
|
3464 |
/* max(1, TERM delay, interframe_delay) */
|
|
|
3465 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
3466 |
if (pTERM->iDelay > pData->iFramedelay)
|
|
|
3467 |
pData->iFramedelay = pTERM->iDelay;
|
|
|
3468 |
if (!pData->iFramedelay)
|
|
|
3469 |
pData->iFramedelay = 1;
|
|
|
3470 |
#endif
|
|
|
3471 |
|
|
|
3472 |
iRetcode = interframe_delay (pData);
|
|
|
3473 |
/* no interframe_delay? then fake it */
|
|
|
3474 |
if ((!iRetcode) && (!pData->bTimerset))
|
|
|
3475 |
iRetcode = set_delay (pData, 1);
|
|
|
3476 |
|
|
|
3477 |
if (iRetcode)
|
|
|
3478 |
return iRetcode;
|
|
|
3479 |
|
|
|
3480 |
pData->iBreakpoint = 10;
|
|
|
3481 |
break;
|
|
|
3482 |
}
|
|
|
3483 |
|
|
|
3484 |
case 2 : { /* show first image after TERM */
|
|
|
3485 |
iRetcode = restore_state (pData);
|
|
|
3486 |
/* on error bail out */
|
|
|
3487 |
if (iRetcode)
|
|
|
3488 |
return iRetcode;
|
|
|
3489 |
/* notify the app ? */
|
|
|
3490 |
if (pData->fProcessmend)
|
|
|
3491 |
if (!pData->fProcessmend ((mng_handle)pData,
|
|
|
3492 |
pData->iIterations, 0))
|
|
|
3493 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
3494 |
|
|
|
3495 |
/* show first frame after TERM chunk */
|
|
|
3496 |
pData->pCurraniobj = pTERM;
|
|
|
3497 |
pData->bOnlyfirstframe = MNG_TRUE;
|
|
|
3498 |
pData->iFramesafterTERM = 0;
|
|
|
3499 |
/* max(1, TERM delay, interframe_delay) */
|
|
|
3500 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
3501 |
if (pTERM->iDelay > pData->iFramedelay)
|
|
|
3502 |
pData->iFramedelay = pTERM->iDelay;
|
|
|
3503 |
if (!pData->iFramedelay)
|
|
|
3504 |
pData->iFramedelay = 1;
|
|
|
3505 |
#endif
|
|
|
3506 |
|
|
|
3507 |
break;
|
|
|
3508 |
}
|
|
|
3509 |
}
|
|
|
3510 |
}
|
|
|
3511 |
|
|
|
3512 |
break;
|
|
|
3513 |
}
|
|
|
3514 |
}
|
|
|
3515 |
}
|
|
|
3516 |
#endif /* MNG_SKIPCHUNK_TERM */
|
|
|
3517 |
/* just reading ? */
|
|
|
3518 |
if ((!pData->bDisplaying) && (pData->bReading))
|
|
|
3519 |
if (pData->fProcessmend) /* inform the app ? */
|
|
|
3520 |
if (!pData->fProcessmend ((mng_handle)pData, 0, 0))
|
|
|
3521 |
MNG_ERROR (pData, MNG_APPMISCERROR);
|
|
|
3522 |
|
|
|
3523 |
if (!pData->pCurraniobj) /* always let the app refresh at the end ! */
|
|
|
3524 |
pData->bNeedrefresh = MNG_TRUE;
|
|
|
3525 |
|
|
|
3526 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3527 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MEND, MNG_LC_END);
|
|
|
3528 |
#endif
|
|
|
3529 |
|
|
|
3530 |
return MNG_NOERROR;
|
|
|
3531 |
}
|
|
|
3532 |
|
|
|
3533 |
/* ************************************************************************** */
|
|
|
3534 |
|
|
|
3535 |
mng_retcode mng_process_display_mend2 (mng_datap pData)
|
|
|
3536 |
{
|
|
|
3537 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3538 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MEND, MNG_LC_START);
|
|
|
3539 |
#endif
|
|
|
3540 |
|
|
|
3541 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
3542 |
pData->bFrameclipping = MNG_FALSE; /* nothing to do but restore the app background */
|
|
|
3543 |
#endif
|
|
|
3544 |
load_bkgdlayer (pData);
|
|
|
3545 |
|
|
|
3546 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3547 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MEND, MNG_LC_END);
|
|
|
3548 |
#endif
|
|
|
3549 |
|
|
|
3550 |
return MNG_NOERROR;
|
|
|
3551 |
}
|
|
|
3552 |
|
|
|
3553 |
/* ************************************************************************** */
|
|
|
3554 |
|
|
|
3555 |
#ifndef MNG_SKIPCHUNK_DEFI
|
|
|
3556 |
mng_retcode mng_process_display_defi (mng_datap pData)
|
|
|
3557 |
{
|
|
|
3558 |
mng_imagep pImage;
|
|
|
3559 |
|
|
|
3560 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3561 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DEFI, MNG_LC_START);
|
|
|
3562 |
#endif
|
|
|
3563 |
|
|
|
3564 |
if (!pData->iDEFIobjectid) /* object id=0 ? */
|
|
|
3565 |
{
|
|
|
3566 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
3567 |
|
|
|
3568 |
if (pData->bDEFIhasdonotshow)
|
|
|
3569 |
pImage->bVisible = (mng_bool)(pData->iDEFIdonotshow == 0);
|
|
|
3570 |
|
|
|
3571 |
if (pData->bDEFIhasloca)
|
|
|
3572 |
{
|
|
|
3573 |
pImage->iPosx = pData->iDEFIlocax;
|
|
|
3574 |
pImage->iPosy = pData->iDEFIlocay;
|
|
|
3575 |
}
|
|
|
3576 |
|
|
|
3577 |
if (pData->bDEFIhasclip)
|
|
|
3578 |
{
|
|
|
3579 |
pImage->bClipped = pData->bDEFIhasclip;
|
|
|
3580 |
pImage->iClipl = pData->iDEFIclipl;
|
|
|
3581 |
pImage->iClipr = pData->iDEFIclipr;
|
|
|
3582 |
pImage->iClipt = pData->iDEFIclipt;
|
|
|
3583 |
pImage->iClipb = pData->iDEFIclipb;
|
|
|
3584 |
}
|
|
|
3585 |
|
|
|
3586 |
pData->pCurrentobj = 0; /* not a real object ! */
|
|
|
3587 |
}
|
|
|
3588 |
else
|
|
|
3589 |
{ /* already exists ? */
|
|
|
3590 |
pImage = (mng_imagep)mng_find_imageobject (pData, pData->iDEFIobjectid);
|
|
|
3591 |
|
|
|
3592 |
if (!pImage) /* if not; create new */
|
|
|
3593 |
{
|
|
|
3594 |
mng_retcode iRetcode = mng_create_imageobject (pData, pData->iDEFIobjectid,
|
|
|
3595 |
(mng_bool)(pData->iDEFIconcrete == 1),
|
|
|
3596 |
(mng_bool)(pData->iDEFIdonotshow == 0),
|
|
|
3597 |
MNG_FALSE, 0, 0, 0, 0, 0, 0, 0,
|
|
|
3598 |
pData->iDEFIlocax, pData->iDEFIlocay,
|
|
|
3599 |
pData->bDEFIhasclip,
|
|
|
3600 |
pData->iDEFIclipl, pData->iDEFIclipr,
|
|
|
3601 |
pData->iDEFIclipt, pData->iDEFIclipb,
|
|
|
3602 |
&pImage);
|
|
|
3603 |
|
|
|
3604 |
if (iRetcode) /* on error bail out */
|
|
|
3605 |
return iRetcode;
|
|
|
3606 |
}
|
|
|
3607 |
else
|
|
|
3608 |
{ /* exists; then set new info */
|
|
|
3609 |
if (pData->bDEFIhasdonotshow)
|
|
|
3610 |
pImage->bVisible = (mng_bool)(pData->iDEFIdonotshow == 0);
|
|
|
3611 |
|
|
|
3612 |
pImage->bViewable = MNG_FALSE;
|
|
|
3613 |
|
|
|
3614 |
if (pData->bDEFIhasloca)
|
|
|
3615 |
{
|
|
|
3616 |
pImage->iPosx = pData->iDEFIlocax;
|
|
|
3617 |
pImage->iPosy = pData->iDEFIlocay;
|
|
|
3618 |
}
|
|
|
3619 |
|
|
|
3620 |
if (pData->bDEFIhasclip)
|
|
|
3621 |
{
|
|
|
3622 |
pImage->bClipped = pData->bDEFIhasclip;
|
|
|
3623 |
pImage->iClipl = pData->iDEFIclipl;
|
|
|
3624 |
pImage->iClipr = pData->iDEFIclipr;
|
|
|
3625 |
pImage->iClipt = pData->iDEFIclipt;
|
|
|
3626 |
pImage->iClipb = pData->iDEFIclipb;
|
|
|
3627 |
}
|
|
|
3628 |
|
|
|
3629 |
if (pData->bDEFIhasconcrete)
|
|
|
3630 |
pImage->pImgbuf->bConcrete = (mng_bool)(pData->iDEFIconcrete == 1);
|
|
|
3631 |
}
|
|
|
3632 |
|
|
|
3633 |
pData->pCurrentobj = pImage; /* others may want to know this */
|
|
|
3634 |
}
|
|
|
3635 |
|
|
|
3636 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3637 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DEFI, MNG_LC_END);
|
|
|
3638 |
#endif
|
|
|
3639 |
|
|
|
3640 |
return MNG_NOERROR;
|
|
|
3641 |
}
|
|
|
3642 |
#endif
|
|
|
3643 |
|
|
|
3644 |
/* ************************************************************************** */
|
|
|
3645 |
|
|
|
3646 |
#ifndef MNG_SKIPCHUNK_BASI
|
|
|
3647 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3648 |
mng_retcode mng_process_display_basi (mng_datap pData,
|
|
|
3649 |
mng_uint16 iRed,
|
|
|
3650 |
mng_uint16 iGreen,
|
|
|
3651 |
mng_uint16 iBlue,
|
|
|
3652 |
mng_bool bHasalpha,
|
|
|
3653 |
mng_uint16 iAlpha,
|
|
|
3654 |
mng_uint8 iViewable)
|
|
|
3655 |
#else
|
|
|
3656 |
mng_retcode mng_process_display_basi (mng_datap pData)
|
|
|
3657 |
#endif
|
|
|
3658 |
{ /* address the current "object" if any */
|
|
|
3659 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
3660 |
mng_uint8p pWork;
|
|
|
3661 |
mng_uint32 iX;
|
|
|
3662 |
mng_imagedatap pBuf;
|
|
|
3663 |
mng_retcode iRetcode;
|
|
|
3664 |
|
|
|
3665 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
3666 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_BASI, MNG_LC_START);
|
|
|
3667 |
#endif
|
|
|
3668 |
|
|
|
3669 |
if (!pImage) /* or is it an "on-the-fly" image ? */
|
|
|
3670 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
3671 |
/* address the object-buffer */
|
|
|
3672 |
pBuf = pImage->pImgbuf;
|
|
|
3673 |
|
|
|
3674 |
pData->fDisplayrow = MNG_NULL; /* do nothing by default */
|
|
|
3675 |
pData->fCorrectrow = MNG_NULL;
|
|
|
3676 |
pData->fStorerow = MNG_NULL;
|
|
|
3677 |
pData->fProcessrow = MNG_NULL;
|
|
|
3678 |
/* set parms now that they're known */
|
|
|
3679 |
iRetcode = mng_reset_object_details (pData, pImage, pData->iDatawidth,
|
|
|
3680 |
pData->iDataheight, pData->iBitdepth,
|
|
|
3681 |
pData->iColortype, pData->iCompression,
|
|
|
3682 |
pData->iFilter, pData->iInterlace, MNG_FALSE);
|
|
|
3683 |
if (iRetcode) /* on error bail out */
|
|
|
3684 |
return iRetcode;
|
|
|
3685 |
/* save the viewable flag */
|
|
|
3686 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3687 |
pImage->bViewable = (mng_bool)(iViewable == 1);
|
|
|
3688 |
#else
|
|
|
3689 |
pImage->bViewable = (mng_bool)(pData->iBASIviewable == 1);
|
|
|
3690 |
#endif
|
|
|
3691 |
pBuf->bViewable = pImage->bViewable;
|
|
|
3692 |
pData->pStoreobj = pImage; /* let row-routines know which object */
|
|
|
3693 |
|
|
|
3694 |
pWork = pBuf->pImgdata; /* fill the object-buffer with the specified
|
|
|
3695 |
"color" sample */
|
|
|
3696 |
switch (pData->iColortype) /* depending on color_type & bit_depth */
|
|
|
3697 |
{
|
|
|
3698 |
case 0 : { /* gray */
|
|
|
3699 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
3700 |
if (pData->iBitdepth == 16)
|
|
|
3701 |
{
|
|
|
3702 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
3703 |
for (iX = pData->iDatawidth * pData->iDataheight;
|
|
|
3704 |
iX > 0;iX--)
|
|
|
3705 |
#else
|
|
|
3706 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++)
|
|
|
3707 |
#endif
|
|
|
3708 |
{
|
|
|
3709 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3710 |
mng_put_uint16 (pWork, iRed);
|
|
|
3711 |
#else
|
|
|
3712 |
mng_put_uint16 (pWork, pData->iBASIred);
|
|
|
3713 |
#endif
|
|
|
3714 |
pWork += 2;
|
|
|
3715 |
}
|
|
|
3716 |
}
|
|
|
3717 |
else
|
|
|
3718 |
#endif
|
|
|
3719 |
{
|
|
|
3720 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
3721 |
for (iX = pData->iDatawidth * pData->iDataheight;
|
|
|
3722 |
iX > 0;iX--)
|
|
|
3723 |
#else
|
|
|
3724 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++)
|
|
|
3725 |
#endif
|
|
|
3726 |
{
|
|
|
3727 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3728 |
*pWork = (mng_uint8)iRed;
|
|
|
3729 |
#else
|
|
|
3730 |
*pWork = (mng_uint8)pData->iBASIred;
|
|
|
3731 |
#endif
|
|
|
3732 |
pWork++;
|
|
|
3733 |
}
|
|
|
3734 |
}
|
|
|
3735 |
/* force tRNS ? */
|
|
|
3736 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3737 |
if ((bHasalpha) && (!iAlpha))
|
|
|
3738 |
#else
|
|
|
3739 |
if ((pData->bBASIhasalpha) && (!pData->iBASIalpha))
|
|
|
3740 |
#endif
|
|
|
3741 |
{
|
|
|
3742 |
pBuf->bHasTRNS = MNG_TRUE;
|
|
|
3743 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3744 |
pBuf->iTRNSgray = iRed;
|
|
|
3745 |
#else
|
|
|
3746 |
pBuf->iTRNSgray = pData->iBASIred;
|
|
|
3747 |
#endif
|
|
|
3748 |
}
|
|
|
3749 |
|
|
|
3750 |
break;
|
|
|
3751 |
}
|
|
|
3752 |
|
|
|
3753 |
case 2 : { /* rgb */
|
|
|
3754 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
3755 |
if (pData->iBitdepth == 16)
|
|
|
3756 |
{
|
|
|
3757 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
3758 |
for (iX = pData->iDatawidth * pData->iDataheight;
|
|
|
3759 |
iX > 0;iX--)
|
|
|
3760 |
#else
|
|
|
3761 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++)
|
|
|
3762 |
#endif
|
|
|
3763 |
{
|
|
|
3764 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3765 |
mng_put_uint16 (pWork, iRed );
|
|
|
3766 |
mng_put_uint16 (pWork+2, iGreen);
|
|
|
3767 |
mng_put_uint16 (pWork+4, iBlue );
|
|
|
3768 |
#else
|
|
|
3769 |
mng_put_uint16 (pWork, pData->iBASIred );
|
|
|
3770 |
mng_put_uint16 (pWork+2, pData->iBASIgreen);
|
|
|
3771 |
mng_put_uint16 (pWork+4, pData->iBASIblue );
|
|
|
3772 |
#endif
|
|
|
3773 |
pWork += 6;
|
|
|
3774 |
}
|
|
|
3775 |
}
|
|
|
3776 |
else
|
|
|
3777 |
#endif
|
|
|
3778 |
{
|
|
|
3779 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
3780 |
for (iX = pData->iDatawidth * pData->iDataheight;
|
|
|
3781 |
iX > 0;iX--)
|
|
|
3782 |
#else
|
|
|
3783 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++)
|
|
|
3784 |
#endif
|
|
|
3785 |
{
|
|
|
3786 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3787 |
*pWork = (mng_uint8)iRed;
|
|
|
3788 |
*(pWork+1) = (mng_uint8)iGreen;
|
|
|
3789 |
*(pWork+2) = (mng_uint8)iBlue;
|
|
|
3790 |
#else
|
|
|
3791 |
*pWork = (mng_uint8)pData->iBASIred;
|
|
|
3792 |
*(pWork+1) = (mng_uint8)pData->iBASIgreen;
|
|
|
3793 |
*(pWork+2) = (mng_uint8)pData->iBASIblue;
|
|
|
3794 |
#endif
|
|
|
3795 |
pWork += 3;
|
|
|
3796 |
}
|
|
|
3797 |
}
|
|
|
3798 |
/* force tRNS ? */
|
|
|
3799 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3800 |
if ((bHasalpha) && (!iAlpha))
|
|
|
3801 |
#else
|
|
|
3802 |
if ((pData->bBASIhasalpha) && (!pData->iBASIalpha))
|
|
|
3803 |
#endif
|
|
|
3804 |
{
|
|
|
3805 |
pBuf->bHasTRNS = MNG_TRUE;
|
|
|
3806 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3807 |
pBuf->iTRNSred = iRed;
|
|
|
3808 |
pBuf->iTRNSgreen = iGreen;
|
|
|
3809 |
pBuf->iTRNSblue = iBlue;
|
|
|
3810 |
#else
|
|
|
3811 |
pBuf->iTRNSred = pData->iBASIred;
|
|
|
3812 |
pBuf->iTRNSgreen = pData->iBASIgreen;
|
|
|
3813 |
pBuf->iTRNSblue = pData->iBASIblue;
|
|
|
3814 |
#endif
|
|
|
3815 |
}
|
|
|
3816 |
|
|
|
3817 |
break;
|
|
|
3818 |
}
|
|
|
3819 |
|
|
|
3820 |
case 3 : { /* indexed */
|
|
|
3821 |
pBuf->bHasPLTE = MNG_TRUE;
|
|
|
3822 |
|
|
|
3823 |
switch (pData->iBitdepth)
|
|
|
3824 |
{
|
|
|
3825 |
case 1 : { pBuf->iPLTEcount = 2; break; }
|
|
|
3826 |
case 2 : { pBuf->iPLTEcount = 4; break; }
|
|
|
3827 |
case 4 : { pBuf->iPLTEcount = 16; break; }
|
|
|
3828 |
case 8 : { pBuf->iPLTEcount = 256; break; }
|
|
|
3829 |
default : { pBuf->iPLTEcount = 1; break; }
|
|
|
3830 |
}
|
|
|
3831 |
|
|
|
3832 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3833 |
pBuf->aPLTEentries [0].iRed = (mng_uint8)iRed;
|
|
|
3834 |
pBuf->aPLTEentries [0].iGreen = (mng_uint8)iGreen;
|
|
|
3835 |
pBuf->aPLTEentries [0].iBlue = (mng_uint8)iBlue;
|
|
|
3836 |
#else
|
|
|
3837 |
pBuf->aPLTEentries [0].iRed = (mng_uint8)pData->iBASIred;
|
|
|
3838 |
pBuf->aPLTEentries [0].iGreen = (mng_uint8)pData->iBASIgreen;
|
|
|
3839 |
pBuf->aPLTEentries [0].iBlue = (mng_uint8)pData->iBASIblue;
|
|
|
3840 |
#endif
|
|
|
3841 |
|
|
|
3842 |
for (iX = 1; iX < pBuf->iPLTEcount; iX++)
|
|
|
3843 |
{
|
|
|
3844 |
pBuf->aPLTEentries [iX].iRed = 0;
|
|
|
3845 |
pBuf->aPLTEentries [iX].iGreen = 0;
|
|
|
3846 |
pBuf->aPLTEentries [iX].iBlue = 0;
|
|
|
3847 |
}
|
|
|
3848 |
/* force tRNS ? */
|
|
|
3849 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3850 |
if ((bHasalpha) && (iAlpha < 255))
|
|
|
3851 |
#else
|
|
|
3852 |
if ((pData->bBASIhasalpha) && (pData->iBASIalpha < 255))
|
|
|
3853 |
#endif
|
|
|
3854 |
{
|
|
|
3855 |
pBuf->bHasTRNS = MNG_TRUE;
|
|
|
3856 |
pBuf->iTRNScount = 1;
|
|
|
3857 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3858 |
pBuf->aTRNSentries [0] = (mng_uint8)iAlpha;
|
|
|
3859 |
#else
|
|
|
3860 |
pBuf->aTRNSentries [0] = (mng_uint8)pData->iBASIalpha;
|
|
|
3861 |
#endif
|
|
|
3862 |
}
|
|
|
3863 |
|
|
|
3864 |
break;
|
|
|
3865 |
}
|
|
|
3866 |
|
|
|
3867 |
case 4 : { /* gray+alpha */
|
|
|
3868 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
3869 |
if (pData->iBitdepth == 16)
|
|
|
3870 |
{
|
|
|
3871 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
3872 |
for (iX = pData->iDatawidth * pData->iDataheight;
|
|
|
3873 |
iX > 0;iX--)
|
|
|
3874 |
#else
|
|
|
3875 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++)
|
|
|
3876 |
#endif
|
|
|
3877 |
{
|
|
|
3878 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3879 |
mng_put_uint16 (pWork, iRed);
|
|
|
3880 |
mng_put_uint16 (pWork+2, iAlpha);
|
|
|
3881 |
#else
|
|
|
3882 |
mng_put_uint16 (pWork, pData->iBASIred);
|
|
|
3883 |
mng_put_uint16 (pWork+2, pData->iBASIalpha);
|
|
|
3884 |
#endif
|
|
|
3885 |
pWork += 4;
|
|
|
3886 |
}
|
|
|
3887 |
}
|
|
|
3888 |
else
|
|
|
3889 |
#endif
|
|
|
3890 |
{
|
|
|
3891 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
3892 |
for (iX = pData->iDatawidth * pData->iDataheight;
|
|
|
3893 |
iX > 0;iX--)
|
|
|
3894 |
#else
|
|
|
3895 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++)
|
|
|
3896 |
#endif
|
|
|
3897 |
{
|
|
|
3898 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3899 |
*pWork = (mng_uint8)iRed;
|
|
|
3900 |
*(pWork+1) = (mng_uint8)iAlpha;
|
|
|
3901 |
#else
|
|
|
3902 |
*pWork = (mng_uint8)pData->iBASIred;
|
|
|
3903 |
*(pWork+1) = (mng_uint8)pData->iBASIalpha;
|
|
|
3904 |
#endif
|
|
|
3905 |
pWork += 2;
|
|
|
3906 |
}
|
|
|
3907 |
}
|
|
|
3908 |
|
|
|
3909 |
break;
|
|
|
3910 |
}
|
|
|
3911 |
|
|
|
3912 |
case 6 : { /* rgb+alpha */
|
|
|
3913 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
3914 |
if (pData->iBitdepth == 16)
|
|
|
3915 |
{
|
|
|
3916 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
3917 |
for (iX = pData->iDatawidth * pData->iDataheight;
|
|
|
3918 |
iX > 0;iX--)
|
|
|
3919 |
#else
|
|
|
3920 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++)
|
|
|
3921 |
#endif
|
|
|
3922 |
{
|
|
|
3923 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3924 |
mng_put_uint16 (pWork, iRed);
|
|
|
3925 |
mng_put_uint16 (pWork+2, iGreen);
|
|
|
3926 |
mng_put_uint16 (pWork+4, iBlue);
|
|
|
3927 |
mng_put_uint16 (pWork+6, iAlpha);
|
|
|
3928 |
#else
|
|
|
3929 |
mng_put_uint16 (pWork, pData->iBASIred);
|
|
|
3930 |
mng_put_uint16 (pWork+2, pData->iBASIgreen);
|
|
|
3931 |
mng_put_uint16 (pWork+4, pData->iBASIblue);
|
|
|
3932 |
mng_put_uint16 (pWork+6, pData->iBASIalpha);
|
|
|
3933 |
#endif
|
|
|
3934 |
pWork += 8;
|
|
|
3935 |
}
|
|
|
3936 |
}
|
|
|
3937 |
else
|
|
|
3938 |
#endif
|
|
|
3939 |
{
|
|
|
3940 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
3941 |
for (iX = pData->iDatawidth * pData->iDataheight;
|
|
|
3942 |
iX > 0;iX--)
|
|
|
3943 |
#else
|
|
|
3944 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++)
|
|
|
3945 |
#endif
|
|
|
3946 |
{
|
|
|
3947 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
3948 |
*pWork = (mng_uint8)iRed;
|
|
|
3949 |
*(pWork+1) = (mng_uint8)iGreen;
|
|
|
3950 |
*(pWork+2) = (mng_uint8)iBlue;
|
|
|
3951 |
*(pWork+3) = (mng_uint8)iAlpha;
|
|
|
3952 |
#else
|
|
|
3953 |
*pWork = (mng_uint8)pData->iBASIred;
|
|
|
3954 |
*(pWork+1) = (mng_uint8)pData->iBASIgreen;
|
|
|
3955 |
*(pWork+2) = (mng_uint8)pData->iBASIblue;
|
|
|
3956 |
*(pWork+3) = (mng_uint8)pData->iBASIalpha;
|
|
|
3957 |
#endif
|
|
|
3958 |
pWork += 4;
|
|
|
3959 |
}
|
|
|
3960 |
}
|
|
|
3961 |
|
|
|
3962 |
break;
|
|
|
3963 |
}
|
|
|
3964 |
|
|
|
3965 |
}
|
|
|
3966 |
|
|
|
3967 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
|
3968 |
pData->fInitrowproc = (mng_fptr)mng_init_rowproc;
|
|
|
3969 |
pData->ePng_imgtype=mng_png_imgtype(pData->iColortype,pData->iBitdepth);
|
|
|
3970 |
#else
|
|
|
3971 |
switch (pData->iColortype) /* determine row initialization routine */
|
|
|
3972 |
{ /* just to accomodate IDAT if it arrives */
|
|
|
3973 |
case 0 : { /* gray */
|
|
|
3974 |
switch (pData->iBitdepth)
|
|
|
3975 |
{
|
|
|
3976 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
3977 |
case 1 : {
|
|
|
3978 |
if (!pData->iInterlace)
|
|
|
3979 |
pData->fInitrowproc = (mng_fptr)mng_init_g1_ni;
|
|
|
3980 |
else
|
|
|
3981 |
pData->fInitrowproc = (mng_fptr)mng_init_g1_i;
|
|
|
3982 |
|
|
|
3983 |
break;
|
|
|
3984 |
}
|
|
|
3985 |
case 2 : {
|
|
|
3986 |
if (!pData->iInterlace)
|
|
|
3987 |
pData->fInitrowproc = (mng_fptr)mng_init_g2_ni;
|
|
|
3988 |
else
|
|
|
3989 |
pData->fInitrowproc = (mng_fptr)mng_init_g2_i;
|
|
|
3990 |
|
|
|
3991 |
break;
|
|
|
3992 |
}
|
|
|
3993 |
case 4 : {
|
|
|
3994 |
if (!pData->iInterlace)
|
|
|
3995 |
pData->fInitrowproc = (mng_fptr)mng_init_g4_ni;
|
|
|
3996 |
else
|
|
|
3997 |
pData->fInitrowproc = (mng_fptr)mng_init_g4_i;
|
|
|
3998 |
|
|
|
3999 |
break;
|
|
|
4000 |
}
|
|
|
4001 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
4002 |
case 8 : {
|
|
|
4003 |
if (!pData->iInterlace)
|
|
|
4004 |
pData->fInitrowproc = (mng_fptr)mng_init_g8_ni;
|
|
|
4005 |
else
|
|
|
4006 |
pData->fInitrowproc = (mng_fptr)mng_init_g8_i;
|
|
|
4007 |
|
|
|
4008 |
break;
|
|
|
4009 |
}
|
|
|
4010 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4011 |
case 16 : {
|
|
|
4012 |
if (!pData->iInterlace)
|
|
|
4013 |
pData->fInitrowproc = (mng_fptr)mng_init_g16_ni;
|
|
|
4014 |
else
|
|
|
4015 |
pData->fInitrowproc = (mng_fptr)mng_init_g16_i;
|
|
|
4016 |
|
|
|
4017 |
break;
|
|
|
4018 |
}
|
|
|
4019 |
#endif
|
|
|
4020 |
}
|
|
|
4021 |
|
|
|
4022 |
break;
|
|
|
4023 |
}
|
|
|
4024 |
case 2 : { /* rgb */
|
|
|
4025 |
switch (pData->iBitdepth)
|
|
|
4026 |
{
|
|
|
4027 |
case 8 : {
|
|
|
4028 |
if (!pData->iInterlace)
|
|
|
4029 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb8_ni;
|
|
|
4030 |
else
|
|
|
4031 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb8_i;
|
|
|
4032 |
|
|
|
4033 |
break;
|
|
|
4034 |
}
|
|
|
4035 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4036 |
case 16 : {
|
|
|
4037 |
if (!pData->iInterlace)
|
|
|
4038 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb16_ni;
|
|
|
4039 |
else
|
|
|
4040 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb16_i;
|
|
|
4041 |
|
|
|
4042 |
break;
|
|
|
4043 |
}
|
|
|
4044 |
#endif
|
|
|
4045 |
}
|
|
|
4046 |
|
|
|
4047 |
break;
|
|
|
4048 |
}
|
|
|
4049 |
case 3 : { /* indexed */
|
|
|
4050 |
switch (pData->iBitdepth)
|
|
|
4051 |
{
|
|
|
4052 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
4053 |
case 1 : {
|
|
|
4054 |
if (!pData->iInterlace)
|
|
|
4055 |
pData->fInitrowproc = (mng_fptr)mng_init_idx1_ni;
|
|
|
4056 |
else
|
|
|
4057 |
pData->fInitrowproc = (mng_fptr)mng_init_idx1_i;
|
|
|
4058 |
|
|
|
4059 |
break;
|
|
|
4060 |
}
|
|
|
4061 |
case 2 : {
|
|
|
4062 |
if (!pData->iInterlace)
|
|
|
4063 |
pData->fInitrowproc = (mng_fptr)mng_init_idx2_ni;
|
|
|
4064 |
else
|
|
|
4065 |
pData->fInitrowproc = (mng_fptr)mng_init_idx2_i;
|
|
|
4066 |
|
|
|
4067 |
break;
|
|
|
4068 |
}
|
|
|
4069 |
case 4 : {
|
|
|
4070 |
if (!pData->iInterlace)
|
|
|
4071 |
pData->fInitrowproc = (mng_fptr)mng_init_idx4_ni;
|
|
|
4072 |
else
|
|
|
4073 |
pData->fInitrowproc = (mng_fptr)mng_init_idx4_i;
|
|
|
4074 |
|
|
|
4075 |
break;
|
|
|
4076 |
}
|
|
|
4077 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
4078 |
case 8 : {
|
|
|
4079 |
if (!pData->iInterlace)
|
|
|
4080 |
pData->fInitrowproc = (mng_fptr)mng_init_idx8_ni;
|
|
|
4081 |
else
|
|
|
4082 |
pData->fInitrowproc = (mng_fptr)mng_init_idx8_i;
|
|
|
4083 |
|
|
|
4084 |
break;
|
|
|
4085 |
}
|
|
|
4086 |
}
|
|
|
4087 |
|
|
|
4088 |
break;
|
|
|
4089 |
}
|
|
|
4090 |
case 4 : { /* gray+alpha */
|
|
|
4091 |
switch (pData->iBitdepth)
|
|
|
4092 |
{
|
|
|
4093 |
case 8 : {
|
|
|
4094 |
if (!pData->iInterlace)
|
|
|
4095 |
pData->fInitrowproc = (mng_fptr)mng_init_ga8_ni;
|
|
|
4096 |
else
|
|
|
4097 |
pData->fInitrowproc = (mng_fptr)mng_init_ga8_i;
|
|
|
4098 |
|
|
|
4099 |
break;
|
|
|
4100 |
}
|
|
|
4101 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4102 |
case 16 : {
|
|
|
4103 |
if (!pData->iInterlace)
|
|
|
4104 |
pData->fInitrowproc = (mng_fptr)mng_init_ga16_ni;
|
|
|
4105 |
else
|
|
|
4106 |
pData->fInitrowproc = (mng_fptr)mng_init_ga16_i;
|
|
|
4107 |
|
|
|
4108 |
break;
|
|
|
4109 |
}
|
|
|
4110 |
#endif
|
|
|
4111 |
}
|
|
|
4112 |
|
|
|
4113 |
break;
|
|
|
4114 |
}
|
|
|
4115 |
case 6 : { /* rgb+alpha */
|
|
|
4116 |
switch (pData->iBitdepth)
|
|
|
4117 |
{
|
|
|
4118 |
case 8 : {
|
|
|
4119 |
if (!pData->iInterlace)
|
|
|
4120 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba8_ni;
|
|
|
4121 |
else
|
|
|
4122 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba8_i;
|
|
|
4123 |
|
|
|
4124 |
break;
|
|
|
4125 |
}
|
|
|
4126 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4127 |
case 16 : {
|
|
|
4128 |
if (!pData->iInterlace)
|
|
|
4129 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba16_ni;
|
|
|
4130 |
else
|
|
|
4131 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba16_i;
|
|
|
4132 |
|
|
|
4133 |
break;
|
|
|
4134 |
}
|
|
|
4135 |
#endif
|
|
|
4136 |
}
|
|
|
4137 |
|
|
|
4138 |
break;
|
|
|
4139 |
}
|
|
|
4140 |
}
|
|
|
4141 |
#endif /* MNG_OPTIMIZE_FOOTPRINT_INIT */
|
|
|
4142 |
|
|
|
4143 |
pData->iFilterofs = 0; /* determine filter characteristics */
|
|
|
4144 |
pData->iLevel0 = 0; /* default levels */
|
|
|
4145 |
pData->iLevel1 = 0;
|
|
|
4146 |
pData->iLevel2 = 0;
|
|
|
4147 |
pData->iLevel3 = 0;
|
|
|
4148 |
|
|
|
4149 |
#ifdef FILTER192
|
|
|
4150 |
if (pData->iFilter == 0xC0) /* leveling & differing ? */
|
|
|
4151 |
{
|
|
|
4152 |
switch (pData->iColortype)
|
|
|
4153 |
{
|
|
|
4154 |
case 0 : {
|
|
|
4155 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4156 |
if (pData->iBitdepth <= 8)
|
|
|
4157 |
#endif
|
|
|
4158 |
pData->iFilterofs = 1;
|
|
|
4159 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4160 |
else
|
|
|
4161 |
pData->iFilterofs = 2;
|
|
|
4162 |
#endif
|
|
|
4163 |
|
|
|
4164 |
break;
|
|
|
4165 |
}
|
|
|
4166 |
case 2 : {
|
|
|
4167 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4168 |
if (pData->iBitdepth <= 8)
|
|
|
4169 |
#endif
|
|
|
4170 |
pData->iFilterofs = 3;
|
|
|
4171 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4172 |
else
|
|
|
4173 |
pData->iFilterofs = 6;
|
|
|
4174 |
#endif
|
|
|
4175 |
|
|
|
4176 |
break;
|
|
|
4177 |
}
|
|
|
4178 |
case 3 : {
|
|
|
4179 |
pData->iFilterofs = 1;
|
|
|
4180 |
break;
|
|
|
4181 |
}
|
|
|
4182 |
case 4 : {
|
|
|
4183 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4184 |
if (pData->iBitdepth <= 8)
|
|
|
4185 |
#endif
|
|
|
4186 |
pData->iFilterofs = 2;
|
|
|
4187 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4188 |
else
|
|
|
4189 |
pData->iFilterofs = 4;
|
|
|
4190 |
#endif
|
|
|
4191 |
|
|
|
4192 |
break;
|
|
|
4193 |
}
|
|
|
4194 |
case 6 : {
|
|
|
4195 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4196 |
if (pData->iBitdepth <= 8)
|
|
|
4197 |
#endif
|
|
|
4198 |
pData->iFilterofs = 4;
|
|
|
4199 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
4200 |
else
|
|
|
4201 |
pData->iFilterofs = 8;
|
|
|
4202 |
#endif
|
|
|
4203 |
|
|
|
4204 |
break;
|
|
|
4205 |
}
|
|
|
4206 |
}
|
|
|
4207 |
}
|
|
|
4208 |
#endif
|
|
|
4209 |
|
|
|
4210 |
#ifdef FILTER193
|
|
|
4211 |
if (pData->iFilter == 0xC1) /* no adaptive filtering ? */
|
|
|
4212 |
pData->iPixelofs = pData->iFilterofs;
|
|
|
4213 |
else
|
|
|
4214 |
#endif
|
|
|
4215 |
pData->iPixelofs = pData->iFilterofs + 1;
|
|
|
4216 |
|
|
|
4217 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4218 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_BASI, MNG_LC_END);
|
|
|
4219 |
#endif
|
|
|
4220 |
|
|
|
4221 |
return MNG_NOERROR;
|
|
|
4222 |
}
|
|
|
4223 |
#endif
|
|
|
4224 |
|
|
|
4225 |
/* ************************************************************************** */
|
|
|
4226 |
|
|
|
4227 |
#ifndef MNG_SKIPCHUNK_CLON
|
|
|
4228 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4229 |
mng_retcode mng_process_display_clon (mng_datap pData,
|
|
|
4230 |
mng_uint16 iSourceid,
|
|
|
4231 |
mng_uint16 iCloneid,
|
|
|
4232 |
mng_uint8 iClonetype,
|
|
|
4233 |
mng_bool bHasdonotshow,
|
|
|
4234 |
mng_uint8 iDonotshow,
|
|
|
4235 |
mng_uint8 iConcrete,
|
|
|
4236 |
mng_bool bHasloca,
|
|
|
4237 |
mng_uint8 iLocationtype,
|
|
|
4238 |
mng_int32 iLocationx,
|
|
|
4239 |
mng_int32 iLocationy)
|
|
|
4240 |
#else
|
|
|
4241 |
mng_retcode mng_process_display_clon (mng_datap pData)
|
|
|
4242 |
#endif
|
|
|
4243 |
{
|
|
|
4244 |
mng_imagep pSource, pClone;
|
|
|
4245 |
mng_bool bVisible, bAbstract;
|
|
|
4246 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
4247 |
|
|
|
4248 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4249 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLON, MNG_LC_START);
|
|
|
4250 |
#endif
|
|
|
4251 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4252 |
/* locate the source object first */
|
|
|
4253 |
pSource = mng_find_imageobject (pData, iSourceid);
|
|
|
4254 |
/* check if the clone exists */
|
|
|
4255 |
pClone = mng_find_imageobject (pData, iCloneid);
|
|
|
4256 |
#else
|
|
|
4257 |
/* locate the source object first */
|
|
|
4258 |
pSource = mng_find_imageobject (pData, pData->iCLONsourceid);
|
|
|
4259 |
/* check if the clone exists */
|
|
|
4260 |
pClone = mng_find_imageobject (pData, pData->iCLONcloneid);
|
|
|
4261 |
#endif
|
|
|
4262 |
|
|
|
4263 |
if (!pSource) /* source must exist ! */
|
|
|
4264 |
MNG_ERROR (pData, MNG_OBJECTUNKNOWN);
|
|
|
4265 |
|
|
|
4266 |
if (pClone) /* clone must not exist ! */
|
|
|
4267 |
MNG_ERROR (pData, MNG_OBJECTEXISTS);
|
|
|
4268 |
|
|
|
4269 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4270 |
if (bHasdonotshow) /* DoNotShow flag filled ? */
|
|
|
4271 |
bVisible = (mng_bool)(iDonotshow == 0);
|
|
|
4272 |
else
|
|
|
4273 |
bVisible = pSource->bVisible;
|
|
|
4274 |
#else
|
|
|
4275 |
if (pData->bCLONhasdonotshow) /* DoNotShow flag filled ? */
|
|
|
4276 |
bVisible = (mng_bool)(pData->iCLONdonotshow == 0);
|
|
|
4277 |
else
|
|
|
4278 |
bVisible = pSource->bVisible;
|
|
|
4279 |
#endif
|
|
|
4280 |
|
|
|
4281 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4282 |
bAbstract = (mng_bool)(iConcrete == 1);
|
|
|
4283 |
#else
|
|
|
4284 |
bAbstract = (mng_bool)(pData->iCLONconcrete == 1);
|
|
|
4285 |
#endif
|
|
|
4286 |
|
|
|
4287 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4288 |
switch (iClonetype) /* determine action to take */
|
|
|
4289 |
{
|
|
|
4290 |
case 0 : { /* full clone */
|
|
|
4291 |
iRetcode = mng_clone_imageobject (pData, iCloneid, MNG_FALSE,
|
|
|
4292 |
bVisible, bAbstract, bHasloca,
|
|
|
4293 |
iLocationtype, iLocationx, iLocationy,
|
|
|
4294 |
pSource, &pClone);
|
|
|
4295 |
break;
|
|
|
4296 |
}
|
|
|
4297 |
|
|
|
4298 |
case 1 : { /* partial clone */
|
|
|
4299 |
iRetcode = mng_clone_imageobject (pData, iCloneid, MNG_TRUE,
|
|
|
4300 |
bVisible, bAbstract, bHasloca,
|
|
|
4301 |
iLocationtype, iLocationx, iLocationy,
|
|
|
4302 |
pSource, &pClone);
|
|
|
4303 |
break;
|
|
|
4304 |
}
|
|
|
4305 |
|
|
|
4306 |
case 2 : { /* renumber object */
|
|
|
4307 |
iRetcode = mng_renum_imageobject (pData, pSource, iCloneid,
|
|
|
4308 |
bVisible, bAbstract, bHasloca,
|
|
|
4309 |
iLocationtype, iLocationx, iLocationy);
|
|
|
4310 |
pClone = pSource;
|
|
|
4311 |
break;
|
|
|
4312 |
}
|
|
|
4313 |
|
|
|
4314 |
}
|
|
|
4315 |
#else
|
|
|
4316 |
switch (pData->iCLONclonetype) /* determine action to take */
|
|
|
4317 |
{
|
|
|
4318 |
case 0 : { /* full clone */
|
|
|
4319 |
iRetcode = mng_clone_imageobject (pData, pData->iCLONcloneid, MNG_FALSE,
|
|
|
4320 |
bVisible, bAbstract,
|
|
|
4321 |
pData->bCLONhasloca, pData->iCLONlocationtype,
|
|
|
4322 |
pData->iCLONlocationx, pData->iCLONlocationy,
|
|
|
4323 |
pSource, &pClone);
|
|
|
4324 |
break;
|
|
|
4325 |
}
|
|
|
4326 |
|
|
|
4327 |
case 1 : { /* partial clone */
|
|
|
4328 |
iRetcode = mng_clone_imageobject (pData, pData->iCLONcloneid, MNG_TRUE,
|
|
|
4329 |
bVisible, bAbstract,
|
|
|
4330 |
pData->bCLONhasloca, pData->iCLONlocationtype,
|
|
|
4331 |
pData->iCLONlocationx, pData->iCLONlocationy,
|
|
|
4332 |
pSource, &pClone);
|
|
|
4333 |
break;
|
|
|
4334 |
}
|
|
|
4335 |
|
|
|
4336 |
case 2 : { /* renumber object */
|
|
|
4337 |
iRetcode = mng_renum_imageobject (pData, pSource, pData->iCLONcloneid,
|
|
|
4338 |
bVisible, bAbstract,
|
|
|
4339 |
pData->bCLONhasloca, pData->iCLONlocationtype,
|
|
|
4340 |
pData->iCLONlocationx, pData->iCLONlocationy);
|
|
|
4341 |
pClone = pSource;
|
|
|
4342 |
break;
|
|
|
4343 |
}
|
|
|
4344 |
|
|
|
4345 |
}
|
|
|
4346 |
#endif
|
|
|
4347 |
|
|
|
4348 |
if (iRetcode) /* on error bail out */
|
|
|
4349 |
return iRetcode;
|
|
|
4350 |
|
|
|
4351 |
/* display on the fly ? */
|
|
|
4352 |
if ((pClone->bViewable) && (pClone->bVisible))
|
|
|
4353 |
{
|
|
|
4354 |
pData->pLastclone = pClone; /* remember in case of timer break ! */
|
|
|
4355 |
/* display it */
|
|
|
4356 |
mng_display_image (pData, pClone, MNG_FALSE);
|
|
|
4357 |
|
|
|
4358 |
if (pData->bTimerset) /* timer break ? */
|
|
|
4359 |
pData->iBreakpoint = 5;
|
|
|
4360 |
}
|
|
|
4361 |
|
|
|
4362 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4363 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLON, MNG_LC_END);
|
|
|
4364 |
#endif
|
|
|
4365 |
|
|
|
4366 |
return MNG_NOERROR;
|
|
|
4367 |
}
|
|
|
4368 |
|
|
|
4369 |
/* ************************************************************************** */
|
|
|
4370 |
|
|
|
4371 |
mng_retcode mng_process_display_clon2 (mng_datap pData)
|
|
|
4372 |
{
|
|
|
4373 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4374 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLON, MNG_LC_START);
|
|
|
4375 |
#endif
|
|
|
4376 |
/* only called after timer break ! */
|
|
|
4377 |
mng_display_image (pData, (mng_imagep)pData->pLastclone, MNG_FALSE);
|
|
|
4378 |
pData->iBreakpoint = 0;
|
|
|
4379 |
|
|
|
4380 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4381 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLON, MNG_LC_END);
|
|
|
4382 |
#endif
|
|
|
4383 |
|
|
|
4384 |
return MNG_NOERROR;
|
|
|
4385 |
}
|
|
|
4386 |
#endif
|
|
|
4387 |
|
|
|
4388 |
/* ************************************************************************** */
|
|
|
4389 |
|
|
|
4390 |
#ifndef MNG_SKIPCHUNK_DISC
|
|
|
4391 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4392 |
mng_retcode mng_process_display_disc (mng_datap pData,
|
|
|
4393 |
mng_uint32 iCount,
|
|
|
4394 |
mng_uint16p pIds)
|
|
|
4395 |
#else
|
|
|
4396 |
mng_retcode mng_process_display_disc (mng_datap pData)
|
|
|
4397 |
#endif
|
|
|
4398 |
{
|
|
|
4399 |
mng_uint32 iX;
|
|
|
4400 |
mng_imagep pImage;
|
|
|
4401 |
mng_uint32 iRetcode;
|
|
|
4402 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4403 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DISC, MNG_LC_START);
|
|
|
4404 |
#endif
|
|
|
4405 |
|
|
|
4406 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4407 |
if (iCount) /* specific list ? */
|
|
|
4408 |
#else
|
|
|
4409 |
if (pData->iDISCcount) /* specific list ? */
|
|
|
4410 |
#endif
|
|
|
4411 |
{
|
|
|
4412 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4413 |
mng_uint16p pWork = pIds;
|
|
|
4414 |
#else
|
|
|
4415 |
mng_uint16p pWork = pData->pDISCids;
|
|
|
4416 |
#endif
|
|
|
4417 |
|
|
|
4418 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4419 |
#ifdef MNG_DECREMENT_LOOPS /* iterate the list */
|
|
|
4420 |
for (iX = iCount; iX > 0; iX--)
|
|
|
4421 |
#else
|
|
|
4422 |
for (iX = 0; iX < iCount; iX++)
|
|
|
4423 |
#endif
|
|
|
4424 |
#else
|
|
|
4425 |
#ifdef MNG_DECREMENT_LOOPS /* iterate the list */
|
|
|
4426 |
for (iX = pData->iDISCcount; iX > 0; iX--)
|
|
|
4427 |
#else
|
|
|
4428 |
for (iX = 0; iX < pData->iDISCcount; iX++)
|
|
|
4429 |
#endif
|
|
|
4430 |
#endif
|
|
|
4431 |
{
|
|
|
4432 |
pImage = mng_find_imageobject (pData, *pWork++);
|
|
|
4433 |
|
|
|
4434 |
if (pImage) /* found the object ? */
|
|
|
4435 |
{ /* then drop it */
|
|
|
4436 |
iRetcode = mng_free_imageobject (pData, pImage);
|
|
|
4437 |
|
|
|
4438 |
if (iRetcode) /* on error bail out */
|
|
|
4439 |
return iRetcode;
|
|
|
4440 |
}
|
|
|
4441 |
}
|
|
|
4442 |
}
|
|
|
4443 |
else /* empty: drop all un-frozen objects */
|
|
|
4444 |
{
|
|
|
4445 |
mng_imagep pNext = (mng_imagep)pData->pFirstimgobj;
|
|
|
4446 |
|
|
|
4447 |
while (pNext) /* any left ? */
|
|
|
4448 |
{
|
|
|
4449 |
pImage = pNext;
|
|
|
4450 |
pNext = pImage->sHeader.pNext;
|
|
|
4451 |
|
|
|
4452 |
if (!pImage->bFrozen) /* not frozen ? */
|
|
|
4453 |
{ /* then drop it */
|
|
|
4454 |
iRetcode = mng_free_imageobject (pData, pImage);
|
|
|
4455 |
|
|
|
4456 |
if (iRetcode) /* on error bail out */
|
|
|
4457 |
return iRetcode;
|
|
|
4458 |
}
|
|
|
4459 |
}
|
|
|
4460 |
}
|
|
|
4461 |
|
|
|
4462 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4463 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DISC, MNG_LC_END);
|
|
|
4464 |
#endif
|
|
|
4465 |
|
|
|
4466 |
return MNG_NOERROR;
|
|
|
4467 |
}
|
|
|
4468 |
#endif
|
|
|
4469 |
|
|
|
4470 |
/* ************************************************************************** */
|
|
|
4471 |
|
|
|
4472 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
|
4473 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4474 |
mng_retcode mng_process_display_fram (mng_datap pData,
|
|
|
4475 |
mng_uint8 iFramemode,
|
|
|
4476 |
mng_uint8 iChangedelay,
|
|
|
4477 |
mng_uint32 iDelay,
|
|
|
4478 |
mng_uint8 iChangetimeout,
|
|
|
4479 |
mng_uint32 iTimeout,
|
|
|
4480 |
mng_uint8 iChangeclipping,
|
|
|
4481 |
mng_uint8 iCliptype,
|
|
|
4482 |
mng_int32 iClipl,
|
|
|
4483 |
mng_int32 iClipr,
|
|
|
4484 |
mng_int32 iClipt,
|
|
|
4485 |
mng_int32 iClipb)
|
|
|
4486 |
#else
|
|
|
4487 |
mng_retcode mng_process_display_fram (mng_datap pData)
|
|
|
4488 |
#endif
|
|
|
4489 |
{
|
|
|
4490 |
mng_retcode iRetcode;
|
|
|
4491 |
|
|
|
4492 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4493 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_FRAM, MNG_LC_START);
|
|
|
4494 |
#endif
|
|
|
4495 |
/* advance a frame then */
|
|
|
4496 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4497 |
iRetcode = next_frame (pData, iFramemode, iChangedelay, iDelay,
|
|
|
4498 |
iChangetimeout, iTimeout, iChangeclipping,
|
|
|
4499 |
iCliptype, iClipl, iClipr, iClipt, iClipb);
|
|
|
4500 |
#else
|
|
|
4501 |
iRetcode = next_frame (pData, pData->iTempFramemode, pData->iTempChangedelay,
|
|
|
4502 |
pData->iTempDelay, pData->iTempChangetimeout,
|
|
|
4503 |
pData->iTempTimeout, pData->iTempChangeclipping,
|
|
|
4504 |
pData->iTempCliptype, pData->iTempClipl, pData->iTempClipr,
|
|
|
4505 |
pData->iTempClipt, pData->iTempClipb);
|
|
|
4506 |
#endif
|
|
|
4507 |
|
|
|
4508 |
if (pData->bTimerset) /* timer break ? */
|
|
|
4509 |
pData->iBreakpoint = 1;
|
|
|
4510 |
|
|
|
4511 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4512 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_FRAM, MNG_LC_END);
|
|
|
4513 |
#endif
|
|
|
4514 |
|
|
|
4515 |
return iRetcode;
|
|
|
4516 |
}
|
|
|
4517 |
|
|
|
4518 |
/* ************************************************************************** */
|
|
|
4519 |
|
|
|
4520 |
mng_retcode mng_process_display_fram2 (mng_datap pData)
|
|
|
4521 |
{
|
|
|
4522 |
mng_retcode iRetcode;
|
|
|
4523 |
|
|
|
4524 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4525 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_FRAM, MNG_LC_START);
|
|
|
4526 |
#endif
|
|
|
4527 |
/* again; after the break */
|
|
|
4528 |
iRetcode = next_frame (pData, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
|
|
|
4529 |
pData->iBreakpoint = 0; /* not again! */
|
|
|
4530 |
|
|
|
4531 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4532 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_FRAM, MNG_LC_END);
|
|
|
4533 |
#endif
|
|
|
4534 |
|
|
|
4535 |
return iRetcode;
|
|
|
4536 |
}
|
|
|
4537 |
#endif
|
|
|
4538 |
|
|
|
4539 |
/* ************************************************************************** */
|
|
|
4540 |
|
|
|
4541 |
#ifndef MNG_SKIPCHUNK_MOVE
|
|
|
4542 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4543 |
mng_retcode mng_process_display_move (mng_datap pData,
|
|
|
4544 |
mng_uint16 iFromid,
|
|
|
4545 |
mng_uint16 iToid,
|
|
|
4546 |
mng_uint8 iMovetype,
|
|
|
4547 |
mng_int32 iMovex,
|
|
|
4548 |
mng_int32 iMovey)
|
|
|
4549 |
#else
|
|
|
4550 |
mng_retcode mng_process_display_move (mng_datap pData)
|
|
|
4551 |
#endif
|
|
|
4552 |
{
|
|
|
4553 |
mng_uint16 iX;
|
|
|
4554 |
mng_imagep pImage;
|
|
|
4555 |
|
|
|
4556 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4557 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MOVE, MNG_LC_START);
|
|
|
4558 |
#endif
|
|
|
4559 |
/* iterate the list */
|
|
|
4560 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4561 |
for (iX = iFromid; iX <= iToid; iX++)
|
|
|
4562 |
#else
|
|
|
4563 |
for (iX = pData->iMOVEfromid; iX <= pData->iMOVEtoid; iX++)
|
|
|
4564 |
#endif
|
|
|
4565 |
{
|
|
|
4566 |
if (!iX) /* object id=0 ? */
|
|
|
4567 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
4568 |
else
|
|
|
4569 |
pImage = mng_find_imageobject (pData, iX);
|
|
|
4570 |
|
|
|
4571 |
if (pImage) /* object exists ? */
|
|
|
4572 |
{
|
|
|
4573 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4574 |
switch (iMovetype)
|
|
|
4575 |
#else
|
|
|
4576 |
switch (pData->iMOVEmovetype)
|
|
|
4577 |
#endif
|
|
|
4578 |
{
|
|
|
4579 |
case 0 : { /* absolute */
|
|
|
4580 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4581 |
pImage->iPosx = iMovex;
|
|
|
4582 |
pImage->iPosy = iMovey;
|
|
|
4583 |
#else
|
|
|
4584 |
pImage->iPosx = pData->iMOVEmovex;
|
|
|
4585 |
pImage->iPosy = pData->iMOVEmovey;
|
|
|
4586 |
#endif
|
|
|
4587 |
break;
|
|
|
4588 |
}
|
|
|
4589 |
case 1 : { /* relative */
|
|
|
4590 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4591 |
pImage->iPosx = pImage->iPosx + iMovex;
|
|
|
4592 |
pImage->iPosy = pImage->iPosy + iMovey;
|
|
|
4593 |
#else
|
|
|
4594 |
pImage->iPosx = pImage->iPosx + pData->iMOVEmovex;
|
|
|
4595 |
pImage->iPosy = pImage->iPosy + pData->iMOVEmovey;
|
|
|
4596 |
#endif
|
|
|
4597 |
break;
|
|
|
4598 |
}
|
|
|
4599 |
}
|
|
|
4600 |
}
|
|
|
4601 |
}
|
|
|
4602 |
|
|
|
4603 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4604 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MOVE, MNG_LC_END);
|
|
|
4605 |
#endif
|
|
|
4606 |
|
|
|
4607 |
return MNG_NOERROR;
|
|
|
4608 |
}
|
|
|
4609 |
#endif
|
|
|
4610 |
|
|
|
4611 |
/* ************************************************************************** */
|
|
|
4612 |
|
|
|
4613 |
#ifndef MNG_SKIPCHUNK_CLIP
|
|
|
4614 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4615 |
mng_retcode mng_process_display_clip (mng_datap pData,
|
|
|
4616 |
mng_uint16 iFromid,
|
|
|
4617 |
mng_uint16 iToid,
|
|
|
4618 |
mng_uint8 iCliptype,
|
|
|
4619 |
mng_int32 iClipl,
|
|
|
4620 |
mng_int32 iClipr,
|
|
|
4621 |
mng_int32 iClipt,
|
|
|
4622 |
mng_int32 iClipb)
|
|
|
4623 |
#else
|
|
|
4624 |
mng_retcode mng_process_display_clip (mng_datap pData)
|
|
|
4625 |
#endif
|
|
|
4626 |
{
|
|
|
4627 |
mng_uint16 iX;
|
|
|
4628 |
mng_imagep pImage;
|
|
|
4629 |
|
|
|
4630 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4631 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLIP, MNG_LC_START);
|
|
|
4632 |
#endif
|
|
|
4633 |
/* iterate the list */
|
|
|
4634 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4635 |
for (iX = iFromid; iX <= iToid; iX++)
|
|
|
4636 |
#else
|
|
|
4637 |
for (iX = pData->iCLIPfromid; iX <= pData->iCLIPtoid; iX++)
|
|
|
4638 |
#endif
|
|
|
4639 |
{
|
|
|
4640 |
if (!iX) /* object id=0 ? */
|
|
|
4641 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
4642 |
else
|
|
|
4643 |
pImage = mng_find_imageobject (pData, iX);
|
|
|
4644 |
|
|
|
4645 |
if (pImage) /* object exists ? */
|
|
|
4646 |
{
|
|
|
4647 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4648 |
switch (iCliptype)
|
|
|
4649 |
#else
|
|
|
4650 |
switch (pData->iCLIPcliptype)
|
|
|
4651 |
#endif
|
|
|
4652 |
{
|
|
|
4653 |
case 0 : { /* absolute */
|
|
|
4654 |
pImage->bClipped = MNG_TRUE;
|
|
|
4655 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4656 |
pImage->iClipl = iClipl;
|
|
|
4657 |
pImage->iClipr = iClipr;
|
|
|
4658 |
pImage->iClipt = iClipt;
|
|
|
4659 |
pImage->iClipb = iClipb;
|
|
|
4660 |
#else
|
|
|
4661 |
pImage->iClipl = pData->iCLIPclipl;
|
|
|
4662 |
pImage->iClipr = pData->iCLIPclipr;
|
|
|
4663 |
pImage->iClipt = pData->iCLIPclipt;
|
|
|
4664 |
pImage->iClipb = pData->iCLIPclipb;
|
|
|
4665 |
#endif
|
|
|
4666 |
break;
|
|
|
4667 |
}
|
|
|
4668 |
case 1 : { /* relative */
|
|
|
4669 |
pImage->bClipped = MNG_TRUE;
|
|
|
4670 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
4671 |
pImage->iClipl = pImage->iClipl + iClipl;
|
|
|
4672 |
pImage->iClipr = pImage->iClipr + iClipr;
|
|
|
4673 |
pImage->iClipt = pImage->iClipt + iClipt;
|
|
|
4674 |
pImage->iClipb = pImage->iClipb + iClipb;
|
|
|
4675 |
#else
|
|
|
4676 |
pImage->iClipl = pImage->iClipl + pData->iCLIPclipl;
|
|
|
4677 |
pImage->iClipr = pImage->iClipr + pData->iCLIPclipr;
|
|
|
4678 |
pImage->iClipt = pImage->iClipt + pData->iCLIPclipt;
|
|
|
4679 |
pImage->iClipb = pImage->iClipb + pData->iCLIPclipb;
|
|
|
4680 |
#endif
|
|
|
4681 |
break;
|
|
|
4682 |
}
|
|
|
4683 |
}
|
|
|
4684 |
}
|
|
|
4685 |
}
|
|
|
4686 |
|
|
|
4687 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4688 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLIP, MNG_LC_END);
|
|
|
4689 |
#endif
|
|
|
4690 |
|
|
|
4691 |
return MNG_NOERROR;
|
|
|
4692 |
}
|
|
|
4693 |
#endif
|
|
|
4694 |
|
|
|
4695 |
/* ************************************************************************** */
|
|
|
4696 |
|
|
|
4697 |
#ifndef MNG_SKIPCHUNK_SHOW
|
|
|
4698 |
mng_retcode mng_process_display_show (mng_datap pData)
|
|
|
4699 |
{
|
|
|
4700 |
mng_int16 iX, iS, iFrom, iTo;
|
|
|
4701 |
mng_imagep pImage;
|
|
|
4702 |
|
|
|
4703 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4704 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SHOW, MNG_LC_START);
|
|
|
4705 |
#endif
|
|
|
4706 |
|
|
|
4707 |
/* TODO: optimization for the cases where "abs (iTo - iFrom)" is rather high;
|
|
|
4708 |
especially where ((iFrom==1) && (iTo==65535)); eg. an empty SHOW !!! */
|
|
|
4709 |
|
|
|
4710 |
if (pData->iBreakpoint == 3) /* previously broken during cycle-mode ? */
|
|
|
4711 |
{
|
|
|
4712 |
pImage = mng_find_imageobject (pData, pData->iSHOWnextid);
|
|
|
4713 |
|
|
|
4714 |
if (pImage) /* still there ? */
|
|
|
4715 |
mng_display_image (pData, pImage, MNG_FALSE);
|
|
|
4716 |
|
|
|
4717 |
pData->iBreakpoint = 0; /* let's not go through this again! */
|
|
|
4718 |
}
|
|
|
4719 |
else
|
|
|
4720 |
{
|
|
|
4721 |
if (pData->iBreakpoint) /* previously broken at other point ? */
|
|
|
4722 |
{ /* restore last parms */
|
|
|
4723 |
iFrom = (mng_int16)pData->iSHOWfromid;
|
|
|
4724 |
iTo = (mng_int16)pData->iSHOWtoid;
|
|
|
4725 |
iX = (mng_int16)pData->iSHOWnextid;
|
|
|
4726 |
iS = (mng_int16)pData->iSHOWskip;
|
|
|
4727 |
}
|
|
|
4728 |
else
|
|
|
4729 |
{ /* regular sequence ? */
|
|
|
4730 |
if (pData->iSHOWtoid >= pData->iSHOWfromid)
|
|
|
4731 |
iS = 1;
|
|
|
4732 |
else /* reverse sequence ! */
|
|
|
4733 |
iS = -1;
|
|
|
4734 |
|
|
|
4735 |
iFrom = (mng_int16)pData->iSHOWfromid;
|
|
|
4736 |
iTo = (mng_int16)pData->iSHOWtoid;
|
|
|
4737 |
iX = iFrom;
|
|
|
4738 |
|
|
|
4739 |
pData->iSHOWfromid = (mng_uint16)iFrom;
|
|
|
4740 |
pData->iSHOWtoid = (mng_uint16)iTo;
|
|
|
4741 |
pData->iSHOWskip = iS;
|
|
|
4742 |
}
|
|
|
4743 |
/* cycle mode ? */
|
|
|
4744 |
if ((pData->iSHOWmode == 6) || (pData->iSHOWmode == 7))
|
|
|
4745 |
{
|
|
|
4746 |
mng_uint16 iTrigger = 0;
|
|
|
4747 |
mng_uint16 iFound = 0;
|
|
|
4748 |
mng_uint16 iPass = 0;
|
|
|
4749 |
mng_imagep pFound = 0;
|
|
|
4750 |
|
|
|
4751 |
do
|
|
|
4752 |
{
|
|
|
4753 |
iPass++; /* lets prevent endless loops when there
|
|
|
4754 |
are no potential candidates in the list! */
|
|
|
4755 |
|
|
|
4756 |
if (iS > 0) /* forward ? */
|
|
|
4757 |
{
|
|
|
4758 |
for (iX = iFrom; iX <= iTo; iX += iS)
|
|
|
4759 |
{
|
|
|
4760 |
pImage = mng_find_imageobject (pData, (mng_uint16)iX);
|
|
|
4761 |
|
|
|
4762 |
if (pImage) /* object exists ? */
|
|
|
4763 |
{
|
|
|
4764 |
if (iFound) /* already found a candidate ? */
|
|
|
4765 |
pImage->bVisible = MNG_FALSE;
|
|
|
4766 |
else
|
|
|
4767 |
if (iTrigger) /* found the trigger ? */
|
|
|
4768 |
{
|
|
|
4769 |
pImage->bVisible = MNG_TRUE;
|
|
|
4770 |
iFound = iX;
|
|
|
4771 |
pFound = pImage;
|
|
|
4772 |
}
|
|
|
4773 |
else
|
|
|
4774 |
if (pImage->bVisible) /* ok, this is the trigger */
|
|
|
4775 |
{
|
|
|
4776 |
pImage->bVisible = MNG_FALSE;
|
|
|
4777 |
iTrigger = iX;
|
|
|
4778 |
}
|
|
|
4779 |
}
|
|
|
4780 |
}
|
|
|
4781 |
}
|
|
|
4782 |
else
|
|
|
4783 |
{
|
|
|
4784 |
for (iX = iFrom; iX >= iTo; iX += iS)
|
|
|
4785 |
{
|
|
|
4786 |
pImage = mng_find_imageobject (pData, (mng_uint16)iX);
|
|
|
4787 |
|
|
|
4788 |
if (pImage) /* object exists ? */
|
|
|
4789 |
{
|
|
|
4790 |
if (iFound) /* already found a candidate ? */
|
|
|
4791 |
pImage->bVisible = MNG_FALSE;
|
|
|
4792 |
else
|
|
|
4793 |
if (iTrigger) /* found the trigger ? */
|
|
|
4794 |
{
|
|
|
4795 |
pImage->bVisible = MNG_TRUE;
|
|
|
4796 |
iFound = iX;
|
|
|
4797 |
pFound = pImage;
|
|
|
4798 |
}
|
|
|
4799 |
else
|
|
|
4800 |
if (pImage->bVisible) /* ok, this is the trigger */
|
|
|
4801 |
{
|
|
|
4802 |
pImage->bVisible = MNG_FALSE;
|
|
|
4803 |
iTrigger = iX;
|
|
|
4804 |
}
|
|
|
4805 |
}
|
|
|
4806 |
}
|
|
|
4807 |
}
|
|
|
4808 |
|
|
|
4809 |
if (!iTrigger) /* did not find a trigger ? */
|
|
|
4810 |
iTrigger = 1; /* then fake it so the first image
|
|
|
4811 |
gets nominated */
|
|
|
4812 |
} /* cycle back to beginning ? */
|
|
|
4813 |
while ((iPass < 2) && (iTrigger) && (!iFound));
|
|
|
4814 |
|
|
|
4815 |
pData->iBreakpoint = 0; /* just a sanity precaution */
|
|
|
4816 |
/* display it ? */
|
|
|
4817 |
if ((pData->iSHOWmode == 6) && (pFound))
|
|
|
4818 |
{
|
|
|
4819 |
mng_display_image (pData, pFound, MNG_FALSE);
|
|
|
4820 |
|
|
|
4821 |
if (pData->bTimerset) /* timer set ? */
|
|
|
4822 |
{
|
|
|
4823 |
pData->iBreakpoint = 3;
|
|
|
4824 |
pData->iSHOWnextid = iFound; /* save it for after the break */
|
|
|
4825 |
}
|
|
|
4826 |
}
|
|
|
4827 |
}
|
|
|
4828 |
else
|
|
|
4829 |
{
|
|
|
4830 |
do
|
|
|
4831 |
{
|
|
|
4832 |
pImage = mng_find_imageobject (pData, iX);
|
|
|
4833 |
|
|
|
4834 |
if (pImage) /* object exists ? */
|
|
|
4835 |
{
|
|
|
4836 |
if (pData->iBreakpoint) /* did we get broken last time ? */
|
|
|
4837 |
{ /* could only happen in the display routine */
|
|
|
4838 |
mng_display_image (pData, pImage, MNG_FALSE);
|
|
|
4839 |
pData->iBreakpoint = 0; /* only once inside this loop please ! */
|
|
|
4840 |
}
|
|
|
4841 |
else
|
|
|
4842 |
{
|
|
|
4843 |
switch (pData->iSHOWmode) /* do what ? */
|
|
|
4844 |
{
|
|
|
4845 |
case 0 : {
|
|
|
4846 |
pImage->bVisible = MNG_TRUE;
|
|
|
4847 |
mng_display_image (pData, pImage, MNG_FALSE);
|
|
|
4848 |
break;
|
|
|
4849 |
}
|
|
|
4850 |
case 1 : {
|
|
|
4851 |
pImage->bVisible = MNG_FALSE;
|
|
|
4852 |
break;
|
|
|
4853 |
}
|
|
|
4854 |
case 2 : {
|
|
|
4855 |
if (pImage->bVisible)
|
|
|
4856 |
mng_display_image (pData, pImage, MNG_FALSE);
|
|
|
4857 |
break;
|
|
|
4858 |
}
|
|
|
4859 |
case 3 : {
|
|
|
4860 |
pImage->bVisible = MNG_TRUE;
|
|
|
4861 |
break;
|
|
|
4862 |
}
|
|
|
4863 |
case 4 : {
|
|
|
4864 |
pImage->bVisible = (mng_bool)(!pImage->bVisible);
|
|
|
4865 |
if (pImage->bVisible)
|
|
|
4866 |
mng_display_image (pData, pImage, MNG_FALSE);
|
|
|
4867 |
break;
|
|
|
4868 |
}
|
|
|
4869 |
case 5 : {
|
|
|
4870 |
pImage->bVisible = (mng_bool)(!pImage->bVisible);
|
|
|
4871 |
}
|
|
|
4872 |
}
|
|
|
4873 |
}
|
|
|
4874 |
}
|
|
|
4875 |
|
|
|
4876 |
if (!pData->bTimerset) /* next ? */
|
|
|
4877 |
iX += iS;
|
|
|
4878 |
|
|
|
4879 |
} /* continue ? */
|
|
|
4880 |
while ((!pData->bTimerset) && (((iS > 0) && (iX <= iTo)) ||
|
|
|
4881 |
((iS < 0) && (iX >= iTo)) ));
|
|
|
4882 |
|
|
|
4883 |
if (pData->bTimerset) /* timer set ? */
|
|
|
4884 |
{
|
|
|
4885 |
pData->iBreakpoint = 4;
|
|
|
4886 |
pData->iSHOWnextid = iX; /* save for next time */
|
|
|
4887 |
}
|
|
|
4888 |
else
|
|
|
4889 |
pData->iBreakpoint = 0;
|
|
|
4890 |
|
|
|
4891 |
}
|
|
|
4892 |
}
|
|
|
4893 |
|
|
|
4894 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4895 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SHOW, MNG_LC_END);
|
|
|
4896 |
#endif
|
|
|
4897 |
|
|
|
4898 |
return MNG_NOERROR;
|
|
|
4899 |
}
|
|
|
4900 |
#endif
|
|
|
4901 |
|
|
|
4902 |
/* ************************************************************************** */
|
|
|
4903 |
|
|
|
4904 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
|
4905 |
mng_retcode mng_process_display_save (mng_datap pData)
|
|
|
4906 |
{
|
|
|
4907 |
mng_retcode iRetcode;
|
|
|
4908 |
|
|
|
4909 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4910 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SAVE, MNG_LC_START);
|
|
|
4911 |
#endif
|
|
|
4912 |
|
|
|
4913 |
iRetcode = save_state (pData); /* save the current state */
|
|
|
4914 |
|
|
|
4915 |
if (iRetcode) /* on error bail out */
|
|
|
4916 |
return iRetcode;
|
|
|
4917 |
|
|
|
4918 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4919 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SAVE, MNG_LC_END);
|
|
|
4920 |
#endif
|
|
|
4921 |
|
|
|
4922 |
return MNG_NOERROR;
|
|
|
4923 |
}
|
|
|
4924 |
#endif
|
|
|
4925 |
|
|
|
4926 |
/* ************************************************************************** */
|
|
|
4927 |
|
|
|
4928 |
#ifndef MNG_SKIPCHUNK_SEEK
|
|
|
4929 |
mng_retcode mng_process_display_seek (mng_datap pData)
|
|
|
4930 |
{
|
|
|
4931 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4932 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SEEK, MNG_LC_START);
|
|
|
4933 |
#endif
|
|
|
4934 |
|
|
|
4935 |
#ifdef MNG_SUPPORT_DYNAMICMNG
|
|
|
4936 |
if (pData->bStopafterseek) /* need to stop after this SEEK ? */
|
|
|
4937 |
{
|
|
|
4938 |
pData->bFreezing = MNG_TRUE; /* stop processing on this one */
|
|
|
4939 |
pData->bRunningevent = MNG_FALSE;
|
|
|
4940 |
pData->bStopafterseek = MNG_FALSE;
|
|
|
4941 |
pData->bNeedrefresh = MNG_TRUE; /* make sure the last bit is displayed ! */
|
|
|
4942 |
}
|
|
|
4943 |
else
|
|
|
4944 |
#endif
|
|
|
4945 |
{ /* restore the initial or SAVE state */
|
|
|
4946 |
mng_retcode iRetcode = restore_state (pData);
|
|
|
4947 |
|
|
|
4948 |
if (iRetcode) /* on error bail out */
|
|
|
4949 |
return iRetcode;
|
|
|
4950 |
|
|
|
4951 |
#ifdef MNG_SUPPORT_DYNAMICMNG
|
|
|
4952 |
/* stop after next SEEK ? */
|
|
|
4953 |
if ((pData->bDynamic) || (pData->bRunningevent))
|
|
|
4954 |
pData->bStopafterseek = MNG_TRUE;
|
|
|
4955 |
#endif
|
|
|
4956 |
}
|
|
|
4957 |
|
|
|
4958 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4959 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SEEK, MNG_LC_END);
|
|
|
4960 |
#endif
|
|
|
4961 |
|
|
|
4962 |
return MNG_NOERROR;
|
|
|
4963 |
}
|
|
|
4964 |
#endif
|
|
|
4965 |
|
|
|
4966 |
/* ************************************************************************** */
|
|
|
4967 |
|
|
|
4968 |
#ifdef MNG_INCLUDE_JNG
|
|
|
4969 |
mng_retcode mng_process_display_jhdr (mng_datap pData)
|
|
|
4970 |
{ /* address the current "object" if any */
|
|
|
4971 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj;
|
|
|
4972 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
4973 |
|
|
|
4974 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
4975 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JHDR, MNG_LC_START);
|
|
|
4976 |
#endif
|
|
|
4977 |
|
|
|
4978 |
if (!pData->bHasDHDR)
|
|
|
4979 |
{
|
|
|
4980 |
pData->fInitrowproc = MNG_NULL; /* do nothing by default */
|
|
|
4981 |
pData->fDisplayrow = MNG_NULL;
|
|
|
4982 |
pData->fCorrectrow = MNG_NULL;
|
|
|
4983 |
pData->fStorerow = MNG_NULL;
|
|
|
4984 |
pData->fProcessrow = MNG_NULL;
|
|
|
4985 |
pData->fDifferrow = MNG_NULL;
|
|
|
4986 |
pData->fStorerow2 = MNG_NULL;
|
|
|
4987 |
pData->fStorerow3 = MNG_NULL;
|
|
|
4988 |
|
|
|
4989 |
pData->pStoreobj = MNG_NULL; /* initialize important work-parms */
|
|
|
4990 |
|
|
|
4991 |
pData->iJPEGrow = 0;
|
|
|
4992 |
pData->iJPEGalpharow = 0;
|
|
|
4993 |
pData->iJPEGrgbrow = 0;
|
|
|
4994 |
pData->iRowmax = 0; /* so init_rowproc does the right thing ! */
|
|
|
4995 |
}
|
|
|
4996 |
|
|
|
4997 |
if (!pData->iBreakpoint) /* not previously broken ? */
|
|
|
4998 |
{
|
|
|
4999 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
5000 |
if (pData->bHasDHDR) /* delta-image ? */
|
|
|
5001 |
{
|
|
|
5002 |
if (pData->iDeltatype == MNG_DELTATYPE_REPLACE)
|
|
|
5003 |
{
|
|
|
5004 |
iRetcode = mng_reset_object_details (pData, (mng_imagep)pData->pDeltaImage,
|
|
|
5005 |
pData->iDatawidth, pData->iDataheight,
|
|
|
5006 |
pData->iJHDRimgbitdepth, pData->iJHDRcolortype,
|
|
|
5007 |
pData->iJHDRalphacompression, pData->iJHDRalphafilter,
|
|
|
5008 |
pData->iJHDRalphainterlace, MNG_TRUE);
|
|
|
5009 |
|
|
|
5010 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphabitdepth = pData->iJHDRalphabitdepth;
|
|
|
5011 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iJHDRcompression = pData->iJHDRimgcompression;
|
|
|
5012 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iJHDRinterlace = pData->iJHDRimginterlace;
|
|
|
5013 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth;
|
|
|
5014 |
}
|
|
|
5015 |
else
|
|
|
5016 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) ||
|
|
|
5017 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) )
|
|
|
5018 |
{
|
|
|
5019 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iPixelsampledepth = pData->iJHDRimgbitdepth;
|
|
|
5020 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth;
|
|
|
5021 |
}
|
|
|
5022 |
else
|
|
|
5023 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) ||
|
|
|
5024 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) )
|
|
|
5025 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth;
|
|
|
5026 |
else
|
|
|
5027 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) ||
|
|
|
5028 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) )
|
|
|
5029 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iPixelsampledepth = pData->iJHDRimgbitdepth;
|
|
|
5030 |
|
|
|
5031 |
}
|
|
|
5032 |
else
|
|
|
5033 |
#endif /* MNG_NO_DELTA_PNG */
|
|
|
5034 |
{
|
|
|
5035 |
if (pImage) /* update object buffer ? */
|
|
|
5036 |
{
|
|
|
5037 |
iRetcode = mng_reset_object_details (pData, pImage,
|
|
|
5038 |
pData->iDatawidth, pData->iDataheight,
|
|
|
5039 |
pData->iJHDRimgbitdepth, pData->iJHDRcolortype,
|
|
|
5040 |
pData->iJHDRalphacompression, pData->iJHDRalphafilter,
|
|
|
5041 |
pData->iJHDRalphainterlace, MNG_TRUE);
|
|
|
5042 |
|
|
|
5043 |
pImage->pImgbuf->iAlphabitdepth = pData->iJHDRalphabitdepth;
|
|
|
5044 |
pImage->pImgbuf->iJHDRcompression = pData->iJHDRimgcompression;
|
|
|
5045 |
pImage->pImgbuf->iJHDRinterlace = pData->iJHDRimginterlace;
|
|
|
5046 |
pImage->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth;
|
|
|
5047 |
}
|
|
|
5048 |
else /* update object 0 */
|
|
|
5049 |
{
|
|
|
5050 |
iRetcode = mng_reset_object_details (pData, (mng_imagep)pData->pObjzero,
|
|
|
5051 |
pData->iDatawidth, pData->iDataheight,
|
|
|
5052 |
pData->iJHDRimgbitdepth, pData->iJHDRcolortype,
|
|
|
5053 |
pData->iJHDRalphacompression, pData->iJHDRalphafilter,
|
|
|
5054 |
pData->iJHDRalphainterlace, MNG_TRUE);
|
|
|
5055 |
|
|
|
5056 |
((mng_imagep)pData->pObjzero)->pImgbuf->iAlphabitdepth = pData->iJHDRalphabitdepth;
|
|
|
5057 |
((mng_imagep)pData->pObjzero)->pImgbuf->iJHDRcompression = pData->iJHDRimgcompression;
|
|
|
5058 |
((mng_imagep)pData->pObjzero)->pImgbuf->iJHDRinterlace = pData->iJHDRimginterlace;
|
|
|
5059 |
((mng_imagep)pData->pObjzero)->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth;
|
|
|
5060 |
}
|
|
|
5061 |
}
|
|
|
5062 |
|
|
|
5063 |
if (iRetcode) /* on error bail out */
|
|
|
5064 |
return iRetcode;
|
|
|
5065 |
}
|
|
|
5066 |
|
|
|
5067 |
if (!pData->bHasDHDR)
|
|
|
5068 |
{ /* we're always storing a JPEG */
|
|
|
5069 |
if (pImage) /* real object ? */
|
|
|
5070 |
pData->pStoreobj = pImage; /* tell the row routines */
|
|
|
5071 |
else /* otherwise use object 0 */
|
|
|
5072 |
pData->pStoreobj = pData->pObjzero;
|
|
|
5073 |
/* display "on-the-fly" ? */
|
|
|
5074 |
if (
|
|
|
5075 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
5076 |
( ((mng_imagep)pData->pStoreobj)->iMAGN_MethodX == 0) &&
|
|
|
5077 |
( ((mng_imagep)pData->pStoreobj)->iMAGN_MethodY == 0) &&
|
|
|
5078 |
#endif
|
|
|
5079 |
( (pData->eImagetype == mng_it_jng ) ||
|
|
|
5080 |
(((mng_imagep)pData->pStoreobj)->bVisible) ) )
|
|
|
5081 |
{
|
|
|
5082 |
next_layer (pData); /* that's a new layer then ! */
|
|
|
5083 |
|
|
|
5084 |
pData->iBreakpoint = 0;
|
|
|
5085 |
|
|
|
5086 |
if (pData->bTimerset) /* timer break ? */
|
|
|
5087 |
pData->iBreakpoint = 7;
|
|
|
5088 |
else
|
|
|
5089 |
if (pData->bRunning) /* still running ? */
|
|
|
5090 |
{ /* anything to display ? */
|
|
|
5091 |
if ((pData->iDestr > pData->iDestl) && (pData->iDestb > pData->iDestt))
|
|
|
5092 |
{
|
|
|
5093 |
set_display_routine (pData); /* then determine display routine */
|
|
|
5094 |
/* display from the object we store in */
|
|
|
5095 |
pData->pRetrieveobj = pData->pStoreobj;
|
|
|
5096 |
}
|
|
|
5097 |
}
|
|
|
5098 |
}
|
|
|
5099 |
}
|
|
|
5100 |
|
|
|
5101 |
if (!pData->bTimerset) /* no timer break ? */
|
|
|
5102 |
{ /* default row initialization ! */
|
|
|
5103 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
|
5104 |
pData->ePng_imgtype=png_none;
|
|
|
5105 |
#endif
|
|
|
5106 |
pData->fInitrowproc = (mng_fptr)mng_init_rowproc;
|
|
|
5107 |
|
|
|
5108 |
if ((!pData->bHasDHDR) || (pData->iDeltatype == MNG_DELTATYPE_REPLACE))
|
|
|
5109 |
{ /* 8-bit JPEG ? */
|
|
|
5110 |
if (pData->iJHDRimgbitdepth == 8)
|
|
|
5111 |
{ /* intermediate row is 8-bit deep */
|
|
|
5112 |
pData->bIsRGBA16 = MNG_FALSE;
|
|
|
5113 |
pData->iRowsamples = pData->iDatawidth;
|
|
|
5114 |
|
|
|
5115 |
switch (pData->iJHDRcolortype) /* determine pixel processing routines */
|
|
|
5116 |
{
|
|
|
5117 |
case MNG_COLORTYPE_JPEGGRAY :
|
|
|
5118 |
{
|
|
|
5119 |
pData->fStorerow2 = (mng_fptr)mng_store_jpeg_g8;
|
|
|
5120 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g8;
|
|
|
5121 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
5122 |
break;
|
|
|
5123 |
}
|
|
|
5124 |
case MNG_COLORTYPE_JPEGCOLOR :
|
|
|
5125 |
{
|
|
|
5126 |
pData->fStorerow2 = (mng_fptr)mng_store_jpeg_rgb8;
|
|
|
5127 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb8;
|
|
|
5128 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
5129 |
break;
|
|
|
5130 |
}
|
|
|
5131 |
case MNG_COLORTYPE_JPEGGRAYA :
|
|
|
5132 |
{
|
|
|
5133 |
pData->fStorerow2 = (mng_fptr)mng_store_jpeg_ga8;
|
|
|
5134 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga8;
|
|
|
5135 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
5136 |
break;
|
|
|
5137 |
}
|
|
|
5138 |
case MNG_COLORTYPE_JPEGCOLORA :
|
|
|
5139 |
{
|
|
|
5140 |
pData->fStorerow2 = (mng_fptr)mng_store_jpeg_rgba8;
|
|
|
5141 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba8;
|
|
|
5142 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
5143 |
break;
|
|
|
5144 |
}
|
|
|
5145 |
}
|
|
|
5146 |
}
|
|
|
5147 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
5148 |
else
|
|
|
5149 |
{
|
|
|
5150 |
pData->bIsRGBA16 = MNG_TRUE; /* intermediate row is 16-bit deep */
|
|
|
5151 |
|
|
|
5152 |
/* TODO: 12-bit JPEG */
|
|
|
5153 |
/* TODO: 8- + 12-bit JPEG (eg. type=20) */
|
|
|
5154 |
|
|
|
5155 |
}
|
|
|
5156 |
#endif
|
|
|
5157 |
/* possible IDAT alpha-channel ? */
|
|
|
5158 |
if (pData->iJHDRalphacompression == MNG_COMPRESSION_DEFLATE)
|
|
|
5159 |
{
|
|
|
5160 |
/* determine alpha processing routine */
|
|
|
5161 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
|
5162 |
pData->fInitrowproc = (mng_fptr)mng_init_rowproc;
|
|
|
5163 |
#endif
|
|
|
5164 |
switch (pData->iJHDRalphabitdepth)
|
|
|
5165 |
{
|
|
|
5166 |
#ifndef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
|
5167 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
5168 |
case 1 : { pData->fInitrowproc = (mng_fptr)mng_init_jpeg_a1_ni; break; }
|
|
|
5169 |
case 2 : { pData->fInitrowproc = (mng_fptr)mng_init_jpeg_a2_ni; break; }
|
|
|
5170 |
case 4 : { pData->fInitrowproc = (mng_fptr)mng_init_jpeg_a4_ni; break; }
|
|
|
5171 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
5172 |
case 8 : { pData->fInitrowproc = (mng_fptr)mng_init_jpeg_a8_ni; break; }
|
|
|
5173 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
5174 |
case 16 : { pData->fInitrowproc = (mng_fptr)mng_init_jpeg_a16_ni; break; }
|
|
|
5175 |
#endif
|
|
|
5176 |
#else
|
|
|
5177 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
5178 |
case 1 : { pData->ePng_imgtype = png_jpeg_a1; break; }
|
|
|
5179 |
case 2 : { pData->ePng_imgtype = png_jpeg_a2; break; }
|
|
|
5180 |
case 4 : { pData->ePng_imgtype = png_jpeg_a4; break; }
|
|
|
5181 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
5182 |
case 8 : { pData->ePng_imgtype = png_jpeg_a8; break; }
|
|
|
5183 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
5184 |
case 16 : { pData->ePng_imgtype = png_jpeg_a16; break; }
|
|
|
5185 |
#endif
|
|
|
5186 |
#endif
|
|
|
5187 |
}
|
|
|
5188 |
}
|
|
|
5189 |
else /* possible JDAA alpha-channel ? */
|
|
|
5190 |
if (pData->iJHDRalphacompression == MNG_COMPRESSION_BASELINEJPEG)
|
|
|
5191 |
{ /* 8-bit JPEG ? */
|
|
|
5192 |
if (pData->iJHDRimgbitdepth == 8)
|
|
|
5193 |
{
|
|
|
5194 |
if (pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA)
|
|
|
5195 |
pData->fStorerow3 = (mng_fptr)mng_store_jpeg_g8_alpha;
|
|
|
5196 |
else
|
|
|
5197 |
if (pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA)
|
|
|
5198 |
pData->fStorerow3 = (mng_fptr)mng_store_jpeg_rgb8_alpha;
|
|
|
5199 |
}
|
|
|
5200 |
else
|
|
|
5201 |
{
|
|
|
5202 |
/* TODO: 12-bit JPEG with 8-bit JDAA */
|
|
|
5203 |
}
|
|
|
5204 |
}
|
|
|
5205 |
/* initialize JPEG library */
|
|
|
5206 |
iRetcode = mngjpeg_initialize (pData);
|
|
|
5207 |
|
|
|
5208 |
if (iRetcode) /* on error bail out */
|
|
|
5209 |
return iRetcode;
|
|
|
5210 |
}
|
|
|
5211 |
else
|
|
|
5212 |
{ /* must be alpha add/replace !! */
|
|
|
5213 |
if ((pData->iDeltatype != MNG_DELTATYPE_BLOCKALPHAADD ) &&
|
|
|
5214 |
(pData->iDeltatype != MNG_DELTATYPE_BLOCKALPHAREPLACE) )
|
|
|
5215 |
MNG_ERROR (pData, MNG_INVDELTATYPE);
|
|
|
5216 |
/* determine alpha processing routine */
|
|
|
5217 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
|
5218 |
pData->fInitrowproc = (mng_fptr)mng_init_rowproc;
|
|
|
5219 |
#endif
|
|
|
5220 |
switch (pData->iJHDRalphabitdepth)
|
|
|
5221 |
{
|
|
|
5222 |
#ifndef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
|
5223 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
5224 |
case 1 : { pData->fInitrowproc = (mng_fptr)mng_init_g1_ni; break; }
|
|
|
5225 |
case 2 : { pData->fInitrowproc = (mng_fptr)mng_init_g2_ni; break; }
|
|
|
5226 |
case 4 : { pData->fInitrowproc = (mng_fptr)mng_init_g4_ni; break; }
|
|
|
5227 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
5228 |
case 8 : { pData->fInitrowproc = (mng_fptr)mng_init_g8_ni; break; }
|
|
|
5229 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
5230 |
case 16 : { pData->fInitrowproc = (mng_fptr)mng_init_g16_ni; break; }
|
|
|
5231 |
#endif
|
|
|
5232 |
#else
|
|
|
5233 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
5234 |
case 1 : { pData->ePng_imgtype = png_jpeg_a1; break; }
|
|
|
5235 |
case 2 : { pData->ePng_imgtype = png_jpeg_a2; break; }
|
|
|
5236 |
case 4 : { pData->ePng_imgtype = png_jpeg_a4; break; }
|
|
|
5237 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
5238 |
case 8 : { pData->ePng_imgtype = png_jpeg_a8; break; }
|
|
|
5239 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
5240 |
case 16 : { pData->ePng_imgtype = png_jpeg_a16; break; }
|
|
|
5241 |
#endif
|
|
|
5242 |
#endif /* MNG_OPTIMIZE_FOOTPRINT_INIT */
|
|
|
5243 |
}
|
|
|
5244 |
}
|
|
|
5245 |
|
|
|
5246 |
pData->iFilterofs = 0; /* determine filter characteristics */
|
|
|
5247 |
pData->iLevel0 = 0; /* default levels */
|
|
|
5248 |
pData->iLevel1 = 0;
|
|
|
5249 |
pData->iLevel2 = 0;
|
|
|
5250 |
pData->iLevel3 = 0;
|
|
|
5251 |
|
|
|
5252 |
#ifdef FILTER192 /* leveling & differing ? */
|
|
|
5253 |
if (pData->iJHDRalphafilter == 0xC0)
|
|
|
5254 |
{
|
|
|
5255 |
if (pData->iJHDRalphabitdepth <= 8)
|
|
|
5256 |
pData->iFilterofs = 1;
|
|
|
5257 |
else
|
|
|
5258 |
pData->iFilterofs = 2;
|
|
|
5259 |
|
|
|
5260 |
}
|
|
|
5261 |
#endif
|
|
|
5262 |
#ifdef FILTER193 /* no adaptive filtering ? */
|
|
|
5263 |
if (pData->iJHDRalphafilter == 0xC1)
|
|
|
5264 |
pData->iPixelofs = pData->iFilterofs;
|
|
|
5265 |
else
|
|
|
5266 |
#endif
|
|
|
5267 |
pData->iPixelofs = pData->iFilterofs + 1;
|
|
|
5268 |
|
|
|
5269 |
}
|
|
|
5270 |
|
|
|
5271 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5272 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JHDR, MNG_LC_END);
|
|
|
5273 |
#endif
|
|
|
5274 |
|
|
|
5275 |
return MNG_NOERROR;
|
|
|
5276 |
}
|
|
|
5277 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
5278 |
|
|
|
5279 |
/* ************************************************************************** */
|
|
|
5280 |
|
|
|
5281 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5282 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5283 |
mng_retcode mng_process_display_jdaa (mng_datap pData,
|
|
|
5284 |
mng_uint32 iRawlen,
|
|
|
5285 |
mng_uint8p pRawdata)
|
|
|
5286 |
#else
|
|
|
5287 |
mng_retcode mng_process_display_jdaa (mng_datap pData)
|
|
|
5288 |
#endif
|
|
|
5289 |
{
|
|
|
5290 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
5291 |
|
|
|
5292 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5293 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JDAA, MNG_LC_START);
|
|
|
5294 |
#endif
|
|
|
5295 |
|
|
|
5296 |
if (!pData->bJPEGdecompress2) /* if we're not decompressing already */
|
|
|
5297 |
{
|
|
|
5298 |
if (pData->fInitrowproc) /* initialize row-processing? */
|
|
|
5299 |
{
|
|
|
5300 |
iRetcode = ((mng_initrowproc)pData->fInitrowproc) (pData);
|
|
|
5301 |
pData->fInitrowproc = MNG_NULL; /* only call this once !!! */
|
|
|
5302 |
}
|
|
|
5303 |
|
|
|
5304 |
if (!iRetcode) /* initialize decompress */
|
|
|
5305 |
iRetcode = mngjpeg_decompressinit2 (pData);
|
|
|
5306 |
}
|
|
|
5307 |
|
|
|
5308 |
if (!iRetcode) /* all ok? then decompress, my man */
|
|
|
5309 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5310 |
iRetcode = mngjpeg_decompressdata2 (pData, iRawlen, pRawdata);
|
|
|
5311 |
#else
|
|
|
5312 |
iRetcode = mngjpeg_decompressdata2 (pData, pData->iRawlen, pData->pRawdata);
|
|
|
5313 |
#endif
|
|
|
5314 |
|
|
|
5315 |
if (iRetcode)
|
|
|
5316 |
return iRetcode;
|
|
|
5317 |
|
|
|
5318 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5319 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JDAA, MNG_LC_END);
|
|
|
5320 |
#endif
|
|
|
5321 |
|
|
|
5322 |
return MNG_NOERROR;
|
|
|
5323 |
}
|
|
|
5324 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
5325 |
|
|
|
5326 |
/* ************************************************************************** */
|
|
|
5327 |
|
|
|
5328 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5329 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5330 |
mng_retcode mng_process_display_jdat (mng_datap pData,
|
|
|
5331 |
mng_uint32 iRawlen,
|
|
|
5332 |
mng_uint8p pRawdata)
|
|
|
5333 |
#else
|
|
|
5334 |
mng_retcode mng_process_display_jdat (mng_datap pData)
|
|
|
5335 |
#endif
|
|
|
5336 |
{
|
|
|
5337 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
5338 |
|
|
|
5339 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5340 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JDAT, MNG_LC_START);
|
|
|
5341 |
#endif
|
|
|
5342 |
|
|
|
5343 |
if (pData->bRestorebkgd) /* need to restore the background ? */
|
|
|
5344 |
{
|
|
|
5345 |
pData->bRestorebkgd = MNG_FALSE;
|
|
|
5346 |
iRetcode = load_bkgdlayer (pData);
|
|
|
5347 |
|
|
|
5348 |
pData->iLayerseq++; /* and it counts as a layer then ! */
|
|
|
5349 |
|
|
|
5350 |
if (iRetcode) /* on error bail out */
|
|
|
5351 |
return iRetcode;
|
|
|
5352 |
}
|
|
|
5353 |
|
|
|
5354 |
if (!pData->bJPEGdecompress) /* if we're not decompressing already */
|
|
|
5355 |
{
|
|
|
5356 |
if (pData->fInitrowproc) /* initialize row-processing? */
|
|
|
5357 |
{
|
|
|
5358 |
iRetcode = ((mng_initrowproc)pData->fInitrowproc) (pData);
|
|
|
5359 |
pData->fInitrowproc = MNG_NULL; /* only call this once !!! */
|
|
|
5360 |
}
|
|
|
5361 |
|
|
|
5362 |
if (!iRetcode) /* initialize decompress */
|
|
|
5363 |
iRetcode = mngjpeg_decompressinit (pData);
|
|
|
5364 |
}
|
|
|
5365 |
|
|
|
5366 |
if (!iRetcode) /* all ok? then decompress, my man */
|
|
|
5367 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5368 |
iRetcode = mngjpeg_decompressdata (pData, iRawlen, pRawdata);
|
|
|
5369 |
#else
|
|
|
5370 |
iRetcode = mngjpeg_decompressdata (pData, pData->iRawlen, pData->pRawdata);
|
|
|
5371 |
#endif
|
|
|
5372 |
|
|
|
5373 |
if (iRetcode)
|
|
|
5374 |
return iRetcode;
|
|
|
5375 |
|
|
|
5376 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5377 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JDAT, MNG_LC_END);
|
|
|
5378 |
#endif
|
|
|
5379 |
|
|
|
5380 |
return MNG_NOERROR;
|
|
|
5381 |
}
|
|
|
5382 |
#endif /* MNG_INCLUDE_JNG */
|
|
|
5383 |
|
|
|
5384 |
/* ************************************************************************** */
|
|
|
5385 |
|
|
|
5386 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
5387 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5388 |
mng_retcode mng_process_display_dhdr (mng_datap pData,
|
|
|
5389 |
mng_uint16 iObjectid,
|
|
|
5390 |
mng_uint8 iImagetype,
|
|
|
5391 |
mng_uint8 iDeltatype,
|
|
|
5392 |
mng_uint32 iBlockwidth,
|
|
|
5393 |
mng_uint32 iBlockheight,
|
|
|
5394 |
mng_uint32 iBlockx,
|
|
|
5395 |
mng_uint32 iBlocky)
|
|
|
5396 |
#else
|
|
|
5397 |
mng_retcode mng_process_display_dhdr (mng_datap pData)
|
|
|
5398 |
#endif
|
|
|
5399 |
{
|
|
|
5400 |
mng_imagep pImage;
|
|
|
5401 |
mng_retcode iRetcode;
|
|
|
5402 |
|
|
|
5403 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5404 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DHDR, MNG_LC_START);
|
|
|
5405 |
#endif
|
|
|
5406 |
|
|
|
5407 |
pData->fInitrowproc = MNG_NULL; /* do nothing by default */
|
|
|
5408 |
pData->fDisplayrow = MNG_NULL;
|
|
|
5409 |
pData->fCorrectrow = MNG_NULL;
|
|
|
5410 |
pData->fStorerow = MNG_NULL;
|
|
|
5411 |
pData->fProcessrow = MNG_NULL;
|
|
|
5412 |
pData->pStoreobj = MNG_NULL;
|
|
|
5413 |
|
|
|
5414 |
pData->fDeltagetrow = MNG_NULL;
|
|
|
5415 |
pData->fDeltaaddrow = MNG_NULL;
|
|
|
5416 |
pData->fDeltareplacerow = MNG_NULL;
|
|
|
5417 |
pData->fDeltaputrow = MNG_NULL;
|
|
|
5418 |
|
|
|
5419 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5420 |
pImage = mng_find_imageobject (pData, iObjectid);
|
|
|
5421 |
#else
|
|
|
5422 |
pImage = mng_find_imageobject (pData, pData->iDHDRobjectid);
|
|
|
5423 |
#endif
|
|
|
5424 |
|
|
|
5425 |
if (pImage) /* object exists ? */
|
|
|
5426 |
{
|
|
|
5427 |
if (pImage->pImgbuf->bConcrete) /* is it concrete ? */
|
|
|
5428 |
{ /* previous magnification to be done ? */
|
|
|
5429 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
5430 |
if ((pImage->iMAGN_MethodX) || (pImage->iMAGN_MethodY))
|
|
|
5431 |
{
|
|
|
5432 |
iRetcode = mng_magnify_imageobject (pData, pImage);
|
|
|
5433 |
|
|
|
5434 |
if (iRetcode) /* on error bail out */
|
|
|
5435 |
return iRetcode;
|
|
|
5436 |
}
|
|
|
5437 |
#endif
|
|
|
5438 |
/* save delta fields */
|
|
|
5439 |
pData->pDeltaImage = (mng_ptr)pImage;
|
|
|
5440 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5441 |
pData->iDeltaImagetype = iImagetype;
|
|
|
5442 |
pData->iDeltatype = iDeltatype;
|
|
|
5443 |
pData->iDeltaBlockwidth = iBlockwidth;
|
|
|
5444 |
pData->iDeltaBlockheight = iBlockheight;
|
|
|
5445 |
pData->iDeltaBlockx = iBlockx;
|
|
|
5446 |
pData->iDeltaBlocky = iBlocky;
|
|
|
5447 |
#else
|
|
|
5448 |
pData->iDeltaImagetype = pData->iDHDRimagetype;
|
|
|
5449 |
pData->iDeltatype = pData->iDHDRdeltatype;
|
|
|
5450 |
pData->iDeltaBlockwidth = pData->iDHDRblockwidth;
|
|
|
5451 |
pData->iDeltaBlockheight = pData->iDHDRblockheight;
|
|
|
5452 |
pData->iDeltaBlockx = pData->iDHDRblockx;
|
|
|
5453 |
pData->iDeltaBlocky = pData->iDHDRblocky;
|
|
|
5454 |
#endif
|
|
|
5455 |
/* restore target-object fields */
|
|
|
5456 |
pData->iDatawidth = pImage->pImgbuf->iWidth;
|
|
|
5457 |
pData->iDataheight = pImage->pImgbuf->iHeight;
|
|
|
5458 |
pData->iBitdepth = pImage->pImgbuf->iBitdepth;
|
|
|
5459 |
pData->iColortype = pImage->pImgbuf->iColortype;
|
|
|
5460 |
pData->iCompression = pImage->pImgbuf->iCompression;
|
|
|
5461 |
pData->iFilter = pImage->pImgbuf->iFilter;
|
|
|
5462 |
pData->iInterlace = pImage->pImgbuf->iInterlace;
|
|
|
5463 |
|
|
|
5464 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5465 |
if ((iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) ||
|
|
|
5466 |
(iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) )
|
|
|
5467 |
pData->iBitdepth = pImage->pImgbuf->iPixelsampledepth;
|
|
|
5468 |
else
|
|
|
5469 |
if ((iDeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) ||
|
|
|
5470 |
(iDeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) )
|
|
|
5471 |
pData->iBitdepth = pImage->pImgbuf->iAlphasampledepth;
|
|
|
5472 |
else
|
|
|
5473 |
if ((iDeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) ||
|
|
|
5474 |
(iDeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) )
|
|
|
5475 |
pData->iBitdepth = pImage->pImgbuf->iPixelsampledepth;
|
|
|
5476 |
#else
|
|
|
5477 |
if ((pData->iDHDRdeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) ||
|
|
|
5478 |
(pData->iDHDRdeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) )
|
|
|
5479 |
pData->iBitdepth = pImage->pImgbuf->iPixelsampledepth;
|
|
|
5480 |
else
|
|
|
5481 |
if ((pData->iDHDRdeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) ||
|
|
|
5482 |
(pData->iDHDRdeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) )
|
|
|
5483 |
pData->iBitdepth = pImage->pImgbuf->iAlphasampledepth;
|
|
|
5484 |
else
|
|
|
5485 |
if ((pData->iDHDRdeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) ||
|
|
|
5486 |
(pData->iDHDRdeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) )
|
|
|
5487 |
pData->iBitdepth = pImage->pImgbuf->iPixelsampledepth;
|
|
|
5488 |
#endif
|
|
|
5489 |
|
|
|
5490 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5491 |
pData->iJHDRimgbitdepth = pImage->pImgbuf->iBitdepth;
|
|
|
5492 |
pData->iJHDRcolortype = pImage->pImgbuf->iColortype;
|
|
|
5493 |
pData->iJHDRimgcompression = pImage->pImgbuf->iJHDRcompression;
|
|
|
5494 |
pData->iJHDRimginterlace = pImage->pImgbuf->iJHDRinterlace;
|
|
|
5495 |
pData->iJHDRalphacompression = pImage->pImgbuf->iCompression;
|
|
|
5496 |
pData->iJHDRalphafilter = pImage->pImgbuf->iFilter;
|
|
|
5497 |
pData->iJHDRalphainterlace = pImage->pImgbuf->iInterlace;
|
|
|
5498 |
pData->iJHDRalphabitdepth = pImage->pImgbuf->iAlphabitdepth;
|
|
|
5499 |
#endif
|
|
|
5500 |
|
|
|
5501 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5502 |
/* block size specified ? */
|
|
|
5503 |
if (iDeltatype != MNG_DELTATYPE_NOCHANGE)
|
|
|
5504 |
{ /* block entirely within target ? */
|
|
|
5505 |
if (iDeltatype != MNG_DELTATYPE_REPLACE)
|
|
|
5506 |
{
|
|
|
5507 |
if (((iBlockx + iBlockwidth ) > pData->iDatawidth ) ||
|
|
|
5508 |
((iBlocky + iBlockheight) > pData->iDataheight) )
|
|
|
5509 |
MNG_ERROR (pData, MNG_INVALIDBLOCK);
|
|
|
5510 |
}
|
|
|
5511 |
|
|
|
5512 |
pData->iDatawidth = iBlockwidth;
|
|
|
5513 |
pData->iDataheight = iBlockheight;
|
|
|
5514 |
}
|
|
|
5515 |
#else
|
|
|
5516 |
/* block size specified ? */
|
|
|
5517 |
if (pData->iDHDRdeltatype != MNG_DELTATYPE_NOCHANGE)
|
|
|
5518 |
{ /* block entirely within target ? */
|
|
|
5519 |
if (pData->iDHDRdeltatype != MNG_DELTATYPE_REPLACE)
|
|
|
5520 |
{
|
|
|
5521 |
if (((pData->iDHDRblockx + pData->iDHDRblockwidth ) > pData->iDatawidth ) ||
|
|
|
5522 |
((pData->iDHDRblocky + pData->iDHDRblockheight) > pData->iDataheight) )
|
|
|
5523 |
MNG_ERROR (pData, MNG_INVALIDBLOCK);
|
|
|
5524 |
}
|
|
|
5525 |
|
|
|
5526 |
pData->iDatawidth = pData->iDHDRblockwidth;
|
|
|
5527 |
pData->iDataheight = pData->iDHDRblockheight;
|
|
|
5528 |
}
|
|
|
5529 |
#endif
|
|
|
5530 |
|
|
|
5531 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5532 |
switch (iDeltatype) /* determine nr of delta-channels */
|
|
|
5533 |
#else
|
|
|
5534 |
switch (pData->iDHDRdeltatype) /* determine nr of delta-channels */
|
|
|
5535 |
#endif
|
|
|
5536 |
{
|
|
|
5537 |
case MNG_DELTATYPE_BLOCKALPHAADD : ;
|
|
|
5538 |
case MNG_DELTATYPE_BLOCKALPHAREPLACE :
|
|
|
5539 |
{
|
|
|
5540 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5541 |
if ((pData->iColortype == MNG_COLORTYPE_GRAYA ) ||
|
|
|
5542 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA) )
|
|
|
5543 |
{
|
|
|
5544 |
pData->iColortype = MNG_COLORTYPE_GRAY;
|
|
|
5545 |
pData->iJHDRcolortype = MNG_COLORTYPE_JPEGGRAY;
|
|
|
5546 |
}
|
|
|
5547 |
else
|
|
|
5548 |
if ((pData->iColortype == MNG_COLORTYPE_RGBA ) ||
|
|
|
5549 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) )
|
|
|
5550 |
{
|
|
|
5551 |
pData->iColortype = MNG_COLORTYPE_GRAY;
|
|
|
5552 |
pData->iJHDRcolortype = MNG_COLORTYPE_JPEGGRAY;
|
|
|
5553 |
}
|
|
|
5554 |
#else
|
|
|
5555 |
if (pData->iColortype == MNG_COLORTYPE_GRAYA)
|
|
|
5556 |
pData->iColortype = MNG_COLORTYPE_GRAY;
|
|
|
5557 |
else
|
|
|
5558 |
if (pData->iColortype == MNG_COLORTYPE_RGBA)
|
|
|
5559 |
pData->iColortype = MNG_COLORTYPE_GRAY;
|
|
|
5560 |
#endif
|
|
|
5561 |
else /* target has no alpha; that sucks! */
|
|
|
5562 |
MNG_ERROR (pData, MNG_TARGETNOALPHA);
|
|
|
5563 |
|
|
|
5564 |
break;
|
|
|
5565 |
}
|
|
|
5566 |
|
|
|
5567 |
case MNG_DELTATYPE_BLOCKCOLORADD : ;
|
|
|
5568 |
case MNG_DELTATYPE_BLOCKCOLORREPLACE :
|
|
|
5569 |
{
|
|
|
5570 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5571 |
if ((pData->iColortype == MNG_COLORTYPE_GRAYA ) ||
|
|
|
5572 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA) )
|
|
|
5573 |
{
|
|
|
5574 |
pData->iColortype = MNG_COLORTYPE_GRAY;
|
|
|
5575 |
pData->iJHDRcolortype = MNG_COLORTYPE_JPEGGRAY;
|
|
|
5576 |
}
|
|
|
5577 |
else
|
|
|
5578 |
if ((pData->iColortype == MNG_COLORTYPE_RGBA ) ||
|
|
|
5579 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) )
|
|
|
5580 |
{
|
|
|
5581 |
pData->iColortype = MNG_COLORTYPE_RGB;
|
|
|
5582 |
pData->iJHDRcolortype = MNG_COLORTYPE_JPEGCOLOR;
|
|
|
5583 |
}
|
|
|
5584 |
#else
|
|
|
5585 |
if (pData->iColortype == MNG_COLORTYPE_GRAYA)
|
|
|
5586 |
pData->iColortype = MNG_COLORTYPE_GRAY;
|
|
|
5587 |
else
|
|
|
5588 |
if (pData->iColortype == MNG_COLORTYPE_RGBA)
|
|
|
5589 |
pData->iColortype = MNG_COLORTYPE_RGB;
|
|
|
5590 |
#endif
|
|
|
5591 |
else /* target has no alpha; that sucks! */
|
|
|
5592 |
MNG_ERROR (pData, MNG_TARGETNOALPHA);
|
|
|
5593 |
|
|
|
5594 |
break;
|
|
|
5595 |
}
|
|
|
5596 |
|
|
|
5597 |
}
|
|
|
5598 |
/* full image replace ? */
|
|
|
5599 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5600 |
if (iDeltatype == MNG_DELTATYPE_REPLACE)
|
|
|
5601 |
#else
|
|
|
5602 |
if (pData->iDHDRdeltatype == MNG_DELTATYPE_REPLACE)
|
|
|
5603 |
#endif
|
|
|
5604 |
{
|
|
|
5605 |
iRetcode = mng_reset_object_details (pData, pImage,
|
|
|
5606 |
pData->iDatawidth, pData->iDataheight,
|
|
|
5607 |
pData->iBitdepth, pData->iColortype,
|
|
|
5608 |
pData->iCompression, pData->iFilter,
|
|
|
5609 |
pData->iInterlace, MNG_FALSE);
|
|
|
5610 |
|
|
|
5611 |
if (iRetcode) /* on error bail out */
|
|
|
5612 |
return iRetcode;
|
|
|
5613 |
|
|
|
5614 |
pData->pStoreobj = pImage; /* and store straight into this object */
|
|
|
5615 |
}
|
|
|
5616 |
else
|
|
|
5617 |
{
|
|
|
5618 |
mng_imagedatap pBufzero, pBuf;
|
|
|
5619 |
/* we store in object 0 and process it later */
|
|
|
5620 |
pData->pStoreobj = pData->pObjzero;
|
|
|
5621 |
/* make sure to initialize object 0 then */
|
|
|
5622 |
iRetcode = mng_reset_object_details (pData, (mng_imagep)pData->pObjzero,
|
|
|
5623 |
pData->iDatawidth, pData->iDataheight,
|
|
|
5624 |
pData->iBitdepth, pData->iColortype,
|
|
|
5625 |
pData->iCompression, pData->iFilter,
|
|
|
5626 |
pData->iInterlace, MNG_TRUE);
|
|
|
5627 |
|
|
|
5628 |
if (iRetcode) /* on error bail out */
|
|
|
5629 |
return iRetcode;
|
|
|
5630 |
|
|
|
5631 |
pBuf = pImage->pImgbuf; /* copy possible palette & cheap transparency */
|
|
|
5632 |
pBufzero = ((mng_imagep)pData->pObjzero)->pImgbuf;
|
|
|
5633 |
|
|
|
5634 |
pBufzero->bHasPLTE = pBuf->bHasPLTE;
|
|
|
5635 |
pBufzero->bHasTRNS = pBuf->bHasTRNS;
|
|
|
5636 |
|
|
|
5637 |
if (pBufzero->bHasPLTE) /* copy palette ? */
|
|
|
5638 |
{
|
|
|
5639 |
mng_uint32 iX;
|
|
|
5640 |
|
|
|
5641 |
pBufzero->iPLTEcount = pBuf->iPLTEcount;
|
|
|
5642 |
|
|
|
5643 |
for (iX = 0; iX < pBuf->iPLTEcount; iX++)
|
|
|
5644 |
{
|
|
|
5645 |
pBufzero->aPLTEentries [iX].iRed = pBuf->aPLTEentries [iX].iRed;
|
|
|
5646 |
pBufzero->aPLTEentries [iX].iGreen = pBuf->aPLTEentries [iX].iGreen;
|
|
|
5647 |
pBufzero->aPLTEentries [iX].iBlue = pBuf->aPLTEentries [iX].iBlue;
|
|
|
5648 |
}
|
|
|
5649 |
}
|
|
|
5650 |
|
|
|
5651 |
if (pBufzero->bHasTRNS) /* copy cheap transparency ? */
|
|
|
5652 |
{
|
|
|
5653 |
pBufzero->iTRNSgray = pBuf->iTRNSgray;
|
|
|
5654 |
pBufzero->iTRNSred = pBuf->iTRNSred;
|
|
|
5655 |
pBufzero->iTRNSgreen = pBuf->iTRNSgreen;
|
|
|
5656 |
pBufzero->iTRNSblue = pBuf->iTRNSblue;
|
|
|
5657 |
pBufzero->iTRNScount = pBuf->iTRNScount;
|
|
|
5658 |
|
|
|
5659 |
MNG_COPY (pBufzero->aTRNSentries, pBuf->aTRNSentries,
|
|
|
5660 |
sizeof (pBufzero->aTRNSentries));
|
|
|
5661 |
}
|
|
|
5662 |
/* process immediately if bitdepth & colortype are equal */
|
|
|
5663 |
pData->bDeltaimmediate =
|
|
|
5664 |
(mng_bool)((pData->bDisplaying) && (!pData->bSkipping) &&
|
|
|
5665 |
((pData->bRunning) || (pData->bSearching)) &&
|
|
|
5666 |
(pData->iBitdepth == ((mng_imagep)pData->pDeltaImage)->pImgbuf->iBitdepth ) &&
|
|
|
5667 |
(pData->iColortype == ((mng_imagep)pData->pDeltaImage)->pImgbuf->iColortype) );
|
|
|
5668 |
}
|
|
|
5669 |
|
|
|
5670 |
#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT
|
|
|
5671 |
pData->fInitrowproc = (mng_fptr)mng_init_rowproc;
|
|
|
5672 |
pData->ePng_imgtype = mng_png_imgtype (pData->iColortype, pData->iBitdepth);
|
|
|
5673 |
#else
|
|
|
5674 |
switch (pData->iColortype) /* determine row initialization routine */
|
|
|
5675 |
{
|
|
|
5676 |
case 0 : { /* gray */
|
|
|
5677 |
switch (pData->iBitdepth)
|
|
|
5678 |
{
|
|
|
5679 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
5680 |
case 1 : {
|
|
|
5681 |
if (!pData->iInterlace)
|
|
|
5682 |
pData->fInitrowproc = (mng_fptr)mng_init_g1_ni;
|
|
|
5683 |
else
|
|
|
5684 |
pData->fInitrowproc = (mng_fptr)mng_init_g1_i;
|
|
|
5685 |
|
|
|
5686 |
break;
|
|
|
5687 |
}
|
|
|
5688 |
case 2 : {
|
|
|
5689 |
if (!pData->iInterlace)
|
|
|
5690 |
pData->fInitrowproc = (mng_fptr)mng_init_g2_ni;
|
|
|
5691 |
else
|
|
|
5692 |
pData->fInitrowproc = (mng_fptr)mng_init_g2_i;
|
|
|
5693 |
|
|
|
5694 |
break;
|
|
|
5695 |
}
|
|
|
5696 |
case 4 : {
|
|
|
5697 |
if (!pData->iInterlace)
|
|
|
5698 |
pData->fInitrowproc = (mng_fptr)mng_init_g4_ni;
|
|
|
5699 |
else
|
|
|
5700 |
pData->fInitrowproc = (mng_fptr)mng_init_g4_i;
|
|
|
5701 |
|
|
|
5702 |
break;
|
|
|
5703 |
}
|
|
|
5704 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
5705 |
case 8 : {
|
|
|
5706 |
if (!pData->iInterlace)
|
|
|
5707 |
pData->fInitrowproc = (mng_fptr)mng_init_g8_ni;
|
|
|
5708 |
else
|
|
|
5709 |
pData->fInitrowproc = (mng_fptr)mng_init_g8_i;
|
|
|
5710 |
|
|
|
5711 |
break;
|
|
|
5712 |
}
|
|
|
5713 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
5714 |
case 16 : {
|
|
|
5715 |
if (!pData->iInterlace)
|
|
|
5716 |
pData->fInitrowproc = (mng_fptr)mng_init_g16_ni;
|
|
|
5717 |
else
|
|
|
5718 |
pData->fInitrowproc = (mng_fptr)mng_init_g16_i;
|
|
|
5719 |
|
|
|
5720 |
break;
|
|
|
5721 |
}
|
|
|
5722 |
#endif
|
|
|
5723 |
}
|
|
|
5724 |
|
|
|
5725 |
break;
|
|
|
5726 |
}
|
|
|
5727 |
case 2 : { /* rgb */
|
|
|
5728 |
switch (pData->iBitdepth)
|
|
|
5729 |
{
|
|
|
5730 |
case 8 : {
|
|
|
5731 |
if (!pData->iInterlace)
|
|
|
5732 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb8_ni;
|
|
|
5733 |
else
|
|
|
5734 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb8_i;
|
|
|
5735 |
|
|
|
5736 |
break;
|
|
|
5737 |
}
|
|
|
5738 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
5739 |
case 16 : {
|
|
|
5740 |
if (!pData->iInterlace)
|
|
|
5741 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb16_ni;
|
|
|
5742 |
else
|
|
|
5743 |
pData->fInitrowproc = (mng_fptr)mng_init_rgb16_i;
|
|
|
5744 |
|
|
|
5745 |
break;
|
|
|
5746 |
}
|
|
|
5747 |
#endif
|
|
|
5748 |
}
|
|
|
5749 |
|
|
|
5750 |
break;
|
|
|
5751 |
}
|
|
|
5752 |
case 3 : { /* indexed */
|
|
|
5753 |
switch (pData->iBitdepth)
|
|
|
5754 |
{
|
|
|
5755 |
#ifndef MNG_NO_1_2_4BIT_SUPPORT
|
|
|
5756 |
case 1 : {
|
|
|
5757 |
if (!pData->iInterlace)
|
|
|
5758 |
pData->fInitrowproc = (mng_fptr)mng_init_idx1_ni;
|
|
|
5759 |
else
|
|
|
5760 |
pData->fInitrowproc = (mng_fptr)mng_init_idx1_i;
|
|
|
5761 |
|
|
|
5762 |
break;
|
|
|
5763 |
}
|
|
|
5764 |
case 2 : {
|
|
|
5765 |
if (!pData->iInterlace)
|
|
|
5766 |
pData->fInitrowproc = (mng_fptr)mng_init_idx2_ni;
|
|
|
5767 |
else
|
|
|
5768 |
pData->fInitrowproc = (mng_fptr)mng_init_idx2_i;
|
|
|
5769 |
|
|
|
5770 |
break;
|
|
|
5771 |
}
|
|
|
5772 |
case 4 : {
|
|
|
5773 |
if (!pData->iInterlace)
|
|
|
5774 |
pData->fInitrowproc = (mng_fptr)mng_init_idx4_ni;
|
|
|
5775 |
else
|
|
|
5776 |
pData->fInitrowproc = (mng_fptr)mng_init_idx4_i;
|
|
|
5777 |
|
|
|
5778 |
break;
|
|
|
5779 |
}
|
|
|
5780 |
#endif /* MNG_NO_1_2_4BIT_SUPPORT */
|
|
|
5781 |
case 8 : {
|
|
|
5782 |
if (!pData->iInterlace)
|
|
|
5783 |
pData->fInitrowproc = (mng_fptr)mng_init_idx8_ni;
|
|
|
5784 |
else
|
|
|
5785 |
pData->fInitrowproc = (mng_fptr)mng_init_idx8_i;
|
|
|
5786 |
|
|
|
5787 |
break;
|
|
|
5788 |
}
|
|
|
5789 |
}
|
|
|
5790 |
|
|
|
5791 |
break;
|
|
|
5792 |
}
|
|
|
5793 |
case 4 : { /* gray+alpha */
|
|
|
5794 |
switch (pData->iBitdepth)
|
|
|
5795 |
{
|
|
|
5796 |
case 8 : {
|
|
|
5797 |
if (!pData->iInterlace)
|
|
|
5798 |
pData->fInitrowproc = (mng_fptr)mng_init_ga8_ni;
|
|
|
5799 |
else
|
|
|
5800 |
pData->fInitrowproc = (mng_fptr)mng_init_ga8_i;
|
|
|
5801 |
|
|
|
5802 |
break;
|
|
|
5803 |
}
|
|
|
5804 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
5805 |
case 16 : {
|
|
|
5806 |
if (!pData->iInterlace)
|
|
|
5807 |
pData->fInitrowproc = (mng_fptr)mng_init_ga16_ni;
|
|
|
5808 |
else
|
|
|
5809 |
pData->fInitrowproc = (mng_fptr)mng_init_ga16_i;
|
|
|
5810 |
|
|
|
5811 |
break;
|
|
|
5812 |
}
|
|
|
5813 |
#endif
|
|
|
5814 |
}
|
|
|
5815 |
|
|
|
5816 |
break;
|
|
|
5817 |
}
|
|
|
5818 |
case 6 : { /* rgb+alpha */
|
|
|
5819 |
switch (pData->iBitdepth)
|
|
|
5820 |
{
|
|
|
5821 |
case 8 : {
|
|
|
5822 |
if (!pData->iInterlace)
|
|
|
5823 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba8_ni;
|
|
|
5824 |
else
|
|
|
5825 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba8_i;
|
|
|
5826 |
|
|
|
5827 |
break;
|
|
|
5828 |
}
|
|
|
5829 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
5830 |
case 16 : {
|
|
|
5831 |
if (!pData->iInterlace)
|
|
|
5832 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba16_ni;
|
|
|
5833 |
else
|
|
|
5834 |
pData->fInitrowproc = (mng_fptr)mng_init_rgba16_i;
|
|
|
5835 |
|
|
|
5836 |
break;
|
|
|
5837 |
}
|
|
|
5838 |
#endif
|
|
|
5839 |
}
|
|
|
5840 |
|
|
|
5841 |
break;
|
|
|
5842 |
}
|
|
|
5843 |
}
|
|
|
5844 |
#endif /* MNG_OPTIMIZE_FOOTPRINT_INIT */
|
|
|
5845 |
}
|
|
|
5846 |
else
|
|
|
5847 |
MNG_ERROR (pData, MNG_OBJNOTCONCRETE);
|
|
|
5848 |
|
|
|
5849 |
}
|
|
|
5850 |
else
|
|
|
5851 |
MNG_ERROR (pData, MNG_OBJECTUNKNOWN);
|
|
|
5852 |
|
|
|
5853 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5854 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DHDR, MNG_LC_END);
|
|
|
5855 |
#endif
|
|
|
5856 |
|
|
|
5857 |
return MNG_NOERROR;
|
|
|
5858 |
}
|
|
|
5859 |
#endif
|
|
|
5860 |
|
|
|
5861 |
/* ************************************************************************** */
|
|
|
5862 |
|
|
|
5863 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
5864 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5865 |
mng_retcode mng_process_display_prom (mng_datap pData,
|
|
|
5866 |
mng_uint8 iBitdepth,
|
|
|
5867 |
mng_uint8 iColortype,
|
|
|
5868 |
mng_uint8 iFilltype)
|
|
|
5869 |
#else
|
|
|
5870 |
mng_retcode mng_process_display_prom (mng_datap pData)
|
|
|
5871 |
#endif
|
|
|
5872 |
{
|
|
|
5873 |
mng_imagep pImage;
|
|
|
5874 |
mng_imagedatap pBuf;
|
|
|
5875 |
mng_retcode iRetcode;
|
|
|
5876 |
|
|
|
5877 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5878 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PROM, MNG_LC_START);
|
|
|
5879 |
#endif
|
|
|
5880 |
|
|
|
5881 |
if (!pData->pDeltaImage) /* gotta have this now! */
|
|
|
5882 |
MNG_ERROR (pData, MNG_INVALIDDELTA);
|
|
|
5883 |
|
|
|
5884 |
pImage = (mng_imagep)pData->pDeltaImage;
|
|
|
5885 |
pBuf = pImage->pImgbuf;
|
|
|
5886 |
/* can't demote bitdepth! */
|
|
|
5887 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
5888 |
if (iBitdepth < pBuf->iBitdepth)
|
|
|
5889 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
5890 |
|
|
|
5891 |
if ( ((pBuf->iColortype == MNG_COLORTYPE_GRAY ) &&
|
|
|
5892 |
(iColortype != MNG_COLORTYPE_GRAY ) &&
|
|
|
5893 |
(iColortype != MNG_COLORTYPE_GRAYA ) &&
|
|
|
5894 |
(iColortype != MNG_COLORTYPE_RGB ) &&
|
|
|
5895 |
(iColortype != MNG_COLORTYPE_RGBA ) ) ||
|
|
|
5896 |
((pBuf->iColortype == MNG_COLORTYPE_GRAYA ) &&
|
|
|
5897 |
(iColortype != MNG_COLORTYPE_GRAYA ) &&
|
|
|
5898 |
(iColortype != MNG_COLORTYPE_RGBA ) ) ||
|
|
|
5899 |
((pBuf->iColortype == MNG_COLORTYPE_RGB ) &&
|
|
|
5900 |
(iColortype != MNG_COLORTYPE_RGB ) &&
|
|
|
5901 |
(iColortype != MNG_COLORTYPE_RGBA ) ) ||
|
|
|
5902 |
((pBuf->iColortype == MNG_COLORTYPE_RGBA ) &&
|
|
|
5903 |
(iColortype != MNG_COLORTYPE_RGBA ) ) ||
|
|
|
5904 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5905 |
((pBuf->iColortype == MNG_COLORTYPE_JPEGGRAY ) &&
|
|
|
5906 |
(iColortype != MNG_COLORTYPE_JPEGGRAY ) &&
|
|
|
5907 |
(iColortype != MNG_COLORTYPE_JPEGCOLOR ) &&
|
|
|
5908 |
(iColortype != MNG_COLORTYPE_JPEGGRAYA ) &&
|
|
|
5909 |
(iColortype != MNG_COLORTYPE_JPEGCOLORA) ) ||
|
|
|
5910 |
((pBuf->iColortype == MNG_COLORTYPE_JPEGCOLOR ) &&
|
|
|
5911 |
(iColortype != MNG_COLORTYPE_JPEGCOLOR ) &&
|
|
|
5912 |
(iColortype != MNG_COLORTYPE_JPEGCOLORA) ) ||
|
|
|
5913 |
((pBuf->iColortype == MNG_COLORTYPE_JPEGGRAYA ) &&
|
|
|
5914 |
(iColortype != MNG_COLORTYPE_JPEGGRAYA ) &&
|
|
|
5915 |
(iColortype != MNG_COLORTYPE_JPEGCOLORA) ) ||
|
|
|
5916 |
((pBuf->iColortype == MNG_COLORTYPE_JPEGCOLORA) &&
|
|
|
5917 |
(iColortype != MNG_COLORTYPE_JPEGCOLORA) ) ||
|
|
|
5918 |
#endif
|
|
|
5919 |
((pBuf->iColortype == MNG_COLORTYPE_INDEXED ) &&
|
|
|
5920 |
(iColortype != MNG_COLORTYPE_INDEXED ) &&
|
|
|
5921 |
(iColortype != MNG_COLORTYPE_RGB ) &&
|
|
|
5922 |
(iColortype != MNG_COLORTYPE_RGBA ) ) )
|
|
|
5923 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
|
5924 |
|
|
|
5925 |
iRetcode = mng_promote_imageobject (pData, pImage, iBitdepth, iColortype, iFilltype);
|
|
|
5926 |
#else
|
|
|
5927 |
if (pData->iPROMbitdepth < pBuf->iBitdepth)
|
|
|
5928 |
MNG_ERROR (pData, MNG_INVALIDBITDEPTH);
|
|
|
5929 |
|
|
|
5930 |
if ( ((pBuf->iColortype == MNG_COLORTYPE_GRAY ) &&
|
|
|
5931 |
(pData->iPROMcolortype != MNG_COLORTYPE_GRAY ) &&
|
|
|
5932 |
(pData->iPROMcolortype != MNG_COLORTYPE_GRAYA ) &&
|
|
|
5933 |
(pData->iPROMcolortype != MNG_COLORTYPE_RGB ) &&
|
|
|
5934 |
(pData->iPROMcolortype != MNG_COLORTYPE_RGBA ) ) ||
|
|
|
5935 |
((pBuf->iColortype == MNG_COLORTYPE_GRAYA ) &&
|
|
|
5936 |
(pData->iPROMcolortype != MNG_COLORTYPE_GRAYA ) &&
|
|
|
5937 |
(pData->iPROMcolortype != MNG_COLORTYPE_RGBA ) ) ||
|
|
|
5938 |
((pBuf->iColortype == MNG_COLORTYPE_RGB ) &&
|
|
|
5939 |
(pData->iPROMcolortype != MNG_COLORTYPE_RGB ) &&
|
|
|
5940 |
(pData->iPROMcolortype != MNG_COLORTYPE_RGBA ) ) ||
|
|
|
5941 |
((pBuf->iColortype == MNG_COLORTYPE_RGBA ) &&
|
|
|
5942 |
(pData->iPROMcolortype != MNG_COLORTYPE_RGBA ) ) ||
|
|
|
5943 |
#ifdef MNG_INCLUDE_JNG
|
|
|
5944 |
((pBuf->iColortype == MNG_COLORTYPE_JPEGGRAY ) &&
|
|
|
5945 |
(pData->iPROMcolortype != MNG_COLORTYPE_JPEGGRAY ) &&
|
|
|
5946 |
(pData->iPROMcolortype != MNG_COLORTYPE_JPEGCOLOR ) &&
|
|
|
5947 |
(pData->iPROMcolortype != MNG_COLORTYPE_JPEGGRAYA ) &&
|
|
|
5948 |
(pData->iPROMcolortype != MNG_COLORTYPE_JPEGCOLORA) ) ||
|
|
|
5949 |
((pBuf->iColortype == MNG_COLORTYPE_JPEGCOLOR ) &&
|
|
|
5950 |
(pData->iPROMcolortype != MNG_COLORTYPE_JPEGCOLOR ) &&
|
|
|
5951 |
(pData->iPROMcolortype != MNG_COLORTYPE_JPEGCOLORA) ) ||
|
|
|
5952 |
((pBuf->iColortype == MNG_COLORTYPE_JPEGGRAYA ) &&
|
|
|
5953 |
(pData->iPROMcolortype != MNG_COLORTYPE_JPEGGRAYA ) &&
|
|
|
5954 |
(pData->iPROMcolortype != MNG_COLORTYPE_JPEGCOLORA) ) ||
|
|
|
5955 |
((pBuf->iColortype == MNG_COLORTYPE_JPEGCOLORA) &&
|
|
|
5956 |
(pData->iPROMcolortype != MNG_COLORTYPE_JPEGCOLORA) ) ||
|
|
|
5957 |
#endif
|
|
|
5958 |
((pBuf->iColortype == MNG_COLORTYPE_INDEXED ) &&
|
|
|
5959 |
(pData->iPROMcolortype != MNG_COLORTYPE_INDEXED ) &&
|
|
|
5960 |
(pData->iPROMcolortype != MNG_COLORTYPE_RGB ) &&
|
|
|
5961 |
(pData->iPROMcolortype != MNG_COLORTYPE_RGBA ) ) )
|
|
|
5962 |
MNG_ERROR (pData, MNG_INVALIDCOLORTYPE);
|
|
|
5963 |
|
|
|
5964 |
iRetcode = mng_promote_imageobject (pData, pImage, pData->iPROMbitdepth,
|
|
|
5965 |
pData->iPROMcolortype, pData->iPROMfilltype);
|
|
|
5966 |
#endif
|
|
|
5967 |
|
|
|
5968 |
if (iRetcode) /* on error bail out */
|
|
|
5969 |
return iRetcode;
|
|
|
5970 |
|
|
|
5971 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5972 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PROM, MNG_LC_END);
|
|
|
5973 |
#endif
|
|
|
5974 |
|
|
|
5975 |
return MNG_NOERROR;
|
|
|
5976 |
}
|
|
|
5977 |
#endif
|
|
|
5978 |
|
|
|
5979 |
/* ************************************************************************** */
|
|
|
5980 |
|
|
|
5981 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
5982 |
mng_retcode mng_process_display_ipng (mng_datap pData)
|
|
|
5983 |
{
|
|
|
5984 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5985 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IPNG, MNG_LC_START);
|
|
|
5986 |
#endif
|
|
|
5987 |
/* indicate it for what it is now */
|
|
|
5988 |
pData->iDeltaImagetype = MNG_IMAGETYPE_PNG;
|
|
|
5989 |
|
|
|
5990 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
5991 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IPNG, MNG_LC_END);
|
|
|
5992 |
#endif
|
|
|
5993 |
|
|
|
5994 |
return MNG_NOERROR;
|
|
|
5995 |
}
|
|
|
5996 |
#endif
|
|
|
5997 |
|
|
|
5998 |
/* ************************************************************************** */
|
|
|
5999 |
|
|
|
6000 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
6001 |
#ifdef MNG_INCLUDE_JNG
|
|
|
6002 |
mng_retcode mng_process_display_ijng (mng_datap pData)
|
|
|
6003 |
{
|
|
|
6004 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6005 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IJNG, MNG_LC_START);
|
|
|
6006 |
#endif
|
|
|
6007 |
/* indicate it for what it is now */
|
|
|
6008 |
pData->iDeltaImagetype = MNG_IMAGETYPE_JNG;
|
|
|
6009 |
|
|
|
6010 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6011 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IJNG, MNG_LC_END);
|
|
|
6012 |
#endif
|
|
|
6013 |
|
|
|
6014 |
return MNG_NOERROR;
|
|
|
6015 |
}
|
|
|
6016 |
#endif
|
|
|
6017 |
#endif
|
|
|
6018 |
|
|
|
6019 |
/* ************************************************************************** */
|
|
|
6020 |
|
|
|
6021 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
6022 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6023 |
mng_retcode mng_process_display_pplt (mng_datap pData,
|
|
|
6024 |
mng_uint8 iType,
|
|
|
6025 |
mng_uint32 iCount,
|
|
|
6026 |
mng_palette8ep paIndexentries,
|
|
|
6027 |
mng_uint8p paAlphaentries,
|
|
|
6028 |
mng_uint8p paUsedentries)
|
|
|
6029 |
#else
|
|
|
6030 |
mng_retcode mng_process_display_pplt (mng_datap pData)
|
|
|
6031 |
#endif
|
|
|
6032 |
{
|
|
|
6033 |
mng_uint32 iX;
|
|
|
6034 |
mng_imagep pImage = (mng_imagep)pData->pObjzero;
|
|
|
6035 |
mng_imagedatap pBuf = pImage->pImgbuf;
|
|
|
6036 |
|
|
|
6037 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6038 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PPLT, MNG_LC_START);
|
|
|
6039 |
#endif
|
|
|
6040 |
|
|
|
6041 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
6042 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6043 |
iX = iCount;
|
|
|
6044 |
#else
|
|
|
6045 |
iX = pData->iPPLTcount;
|
|
|
6046 |
#endif
|
|
|
6047 |
#endif
|
|
|
6048 |
|
|
|
6049 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6050 |
switch (iType)
|
|
|
6051 |
#else
|
|
|
6052 |
switch (pData->iPPLTtype)
|
|
|
6053 |
#endif
|
|
|
6054 |
{
|
|
|
6055 |
case MNG_DELTATYPE_REPLACERGB :
|
|
|
6056 |
{
|
|
|
6057 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
6058 |
for (; iX > 0;iX--)
|
|
|
6059 |
#else
|
|
|
6060 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6061 |
for (iX = 0; iX < iCount; iX++)
|
|
|
6062 |
#else
|
|
|
6063 |
for (iX = 0; iX < pData->iPPLTcount; iX++)
|
|
|
6064 |
#endif
|
|
|
6065 |
#endif
|
|
|
6066 |
{
|
|
|
6067 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6068 |
if (paUsedentries [iX])
|
|
|
6069 |
{
|
|
|
6070 |
pBuf->aPLTEentries [iX].iRed = paIndexentries [iX].iRed;
|
|
|
6071 |
pBuf->aPLTEentries [iX].iGreen = paIndexentries [iX].iGreen;
|
|
|
6072 |
pBuf->aPLTEentries [iX].iBlue = paIndexentries [iX].iBlue;
|
|
|
6073 |
}
|
|
|
6074 |
#else
|
|
|
6075 |
if (pData->paPPLTusedentries [iX])
|
|
|
6076 |
{
|
|
|
6077 |
pBuf->aPLTEentries [iX].iRed = pData->paPPLTindexentries [iX].iRed;
|
|
|
6078 |
pBuf->aPLTEentries [iX].iGreen = pData->paPPLTindexentries [iX].iGreen;
|
|
|
6079 |
pBuf->aPLTEentries [iX].iBlue = pData->paPPLTindexentries [iX].iBlue;
|
|
|
6080 |
}
|
|
|
6081 |
#endif
|
|
|
6082 |
}
|
|
|
6083 |
|
|
|
6084 |
break;
|
|
|
6085 |
}
|
|
|
6086 |
case MNG_DELTATYPE_DELTARGB :
|
|
|
6087 |
{
|
|
|
6088 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
6089 |
for (; iX > 0;iX--)
|
|
|
6090 |
#else
|
|
|
6091 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6092 |
for (iX = 0; iX < iCount; iX++)
|
|
|
6093 |
#else
|
|
|
6094 |
for (iX = 0; iX < pData->iPPLTcount; iX++)
|
|
|
6095 |
#endif
|
|
|
6096 |
#endif
|
|
|
6097 |
{
|
|
|
6098 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6099 |
if (paUsedentries [iX])
|
|
|
6100 |
{
|
|
|
6101 |
pBuf->aPLTEentries [iX].iRed =
|
|
|
6102 |
(mng_uint8)(pBuf->aPLTEentries [iX].iRed +
|
|
|
6103 |
paIndexentries [iX].iRed );
|
|
|
6104 |
pBuf->aPLTEentries [iX].iGreen =
|
|
|
6105 |
(mng_uint8)(pBuf->aPLTEentries [iX].iGreen +
|
|
|
6106 |
paIndexentries [iX].iGreen);
|
|
|
6107 |
pBuf->aPLTEentries [iX].iBlue =
|
|
|
6108 |
(mng_uint8)(pBuf->aPLTEentries [iX].iBlue +
|
|
|
6109 |
paIndexentries [iX].iBlue );
|
|
|
6110 |
}
|
|
|
6111 |
#else
|
|
|
6112 |
if (pData->paPPLTusedentries [iX])
|
|
|
6113 |
{
|
|
|
6114 |
pBuf->aPLTEentries [iX].iRed =
|
|
|
6115 |
(mng_uint8)(pBuf->aPLTEentries [iX].iRed +
|
|
|
6116 |
pData->paPPLTindexentries [iX].iRed );
|
|
|
6117 |
pBuf->aPLTEentries [iX].iGreen =
|
|
|
6118 |
(mng_uint8)(pBuf->aPLTEentries [iX].iGreen +
|
|
|
6119 |
pData->paPPLTindexentries [iX].iGreen);
|
|
|
6120 |
pBuf->aPLTEentries [iX].iBlue =
|
|
|
6121 |
(mng_uint8)(pBuf->aPLTEentries [iX].iBlue +
|
|
|
6122 |
pData->paPPLTindexentries [iX].iBlue );
|
|
|
6123 |
}
|
|
|
6124 |
#endif
|
|
|
6125 |
}
|
|
|
6126 |
|
|
|
6127 |
break;
|
|
|
6128 |
}
|
|
|
6129 |
case MNG_DELTATYPE_REPLACEALPHA :
|
|
|
6130 |
{
|
|
|
6131 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
6132 |
for (; iX > 0;iX--)
|
|
|
6133 |
#else
|
|
|
6134 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6135 |
for (iX = 0; iX < iCount; iX++)
|
|
|
6136 |
#else
|
|
|
6137 |
for (iX = 0; iX < pData->iPPLTcount; iX++)
|
|
|
6138 |
#endif
|
|
|
6139 |
#endif
|
|
|
6140 |
{
|
|
|
6141 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6142 |
if (paUsedentries [iX])
|
|
|
6143 |
pBuf->aTRNSentries [iX] = paAlphaentries [iX];
|
|
|
6144 |
}
|
|
|
6145 |
#else
|
|
|
6146 |
if (pData->paPPLTusedentries [iX])
|
|
|
6147 |
pBuf->aTRNSentries [iX] = pData->paPPLTalphaentries [iX];
|
|
|
6148 |
}
|
|
|
6149 |
#endif
|
|
|
6150 |
|
|
|
6151 |
break;
|
|
|
6152 |
}
|
|
|
6153 |
case MNG_DELTATYPE_DELTAALPHA :
|
|
|
6154 |
{
|
|
|
6155 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
6156 |
for (; iX > 0;iX--)
|
|
|
6157 |
#else
|
|
|
6158 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6159 |
for (iX = 0; iX < iCount; iX++)
|
|
|
6160 |
#else
|
|
|
6161 |
for (iX = 0; iX < pData->iPPLTcount; iX++)
|
|
|
6162 |
#endif
|
|
|
6163 |
#endif
|
|
|
6164 |
{
|
|
|
6165 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6166 |
if (paUsedentries [iX])
|
|
|
6167 |
pBuf->aTRNSentries [iX] =
|
|
|
6168 |
(mng_uint8)(pBuf->aTRNSentries [iX] +
|
|
|
6169 |
paAlphaentries [iX]);
|
|
|
6170 |
#else
|
|
|
6171 |
if (pData->paPPLTusedentries [iX])
|
|
|
6172 |
pBuf->aTRNSentries [iX] =
|
|
|
6173 |
(mng_uint8)(pBuf->aTRNSentries [iX] +
|
|
|
6174 |
pData->paPPLTalphaentries [iX]);
|
|
|
6175 |
#endif
|
|
|
6176 |
}
|
|
|
6177 |
|
|
|
6178 |
break;
|
|
|
6179 |
}
|
|
|
6180 |
case MNG_DELTATYPE_REPLACERGBA :
|
|
|
6181 |
{
|
|
|
6182 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
6183 |
for (; iX > 0;iX--)
|
|
|
6184 |
#else
|
|
|
6185 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6186 |
for (iX = 0; iX < iCount; iX++)
|
|
|
6187 |
#else
|
|
|
6188 |
for (iX = 0; iX < pData->iPPLTcount; iX++)
|
|
|
6189 |
#endif
|
|
|
6190 |
#endif
|
|
|
6191 |
{
|
|
|
6192 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6193 |
if (paUsedentries [iX])
|
|
|
6194 |
{
|
|
|
6195 |
pBuf->aPLTEentries [iX].iRed = paIndexentries [iX].iRed;
|
|
|
6196 |
pBuf->aPLTEentries [iX].iGreen = paIndexentries [iX].iGreen;
|
|
|
6197 |
pBuf->aPLTEentries [iX].iBlue = paIndexentries [iX].iBlue;
|
|
|
6198 |
pBuf->aTRNSentries [iX] = paAlphaentries [iX];
|
|
|
6199 |
}
|
|
|
6200 |
#else
|
|
|
6201 |
if (pData->paPPLTusedentries [iX])
|
|
|
6202 |
{
|
|
|
6203 |
pBuf->aPLTEentries [iX].iRed = pData->paPPLTindexentries [iX].iRed;
|
|
|
6204 |
pBuf->aPLTEentries [iX].iGreen = pData->paPPLTindexentries [iX].iGreen;
|
|
|
6205 |
pBuf->aPLTEentries [iX].iBlue = pData->paPPLTindexentries [iX].iBlue;
|
|
|
6206 |
pBuf->aTRNSentries [iX] = pData->paPPLTalphaentries [iX];
|
|
|
6207 |
}
|
|
|
6208 |
#endif
|
|
|
6209 |
}
|
|
|
6210 |
|
|
|
6211 |
break;
|
|
|
6212 |
}
|
|
|
6213 |
case MNG_DELTATYPE_DELTARGBA :
|
|
|
6214 |
{
|
|
|
6215 |
#ifdef MNG_DECREMENT_LOOPS
|
|
|
6216 |
for (; iX > 0;iX--)
|
|
|
6217 |
#else
|
|
|
6218 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6219 |
for (iX = 0; iX < iCount; iX++)
|
|
|
6220 |
#else
|
|
|
6221 |
for (iX = 0; iX < pData->iPPLTcount; iX++)
|
|
|
6222 |
#endif
|
|
|
6223 |
#endif
|
|
|
6224 |
{
|
|
|
6225 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6226 |
if (paUsedentries [iX])
|
|
|
6227 |
{
|
|
|
6228 |
pBuf->aPLTEentries [iX].iRed =
|
|
|
6229 |
(mng_uint8)(pBuf->aPLTEentries [iX].iRed +
|
|
|
6230 |
paIndexentries [iX].iRed );
|
|
|
6231 |
pBuf->aPLTEentries [iX].iGreen =
|
|
|
6232 |
(mng_uint8)(pBuf->aPLTEentries [iX].iGreen +
|
|
|
6233 |
paIndexentries [iX].iGreen);
|
|
|
6234 |
pBuf->aPLTEentries [iX].iBlue =
|
|
|
6235 |
(mng_uint8)(pBuf->aPLTEentries [iX].iBlue +
|
|
|
6236 |
paIndexentries [iX].iBlue );
|
|
|
6237 |
pBuf->aTRNSentries [iX] =
|
|
|
6238 |
(mng_uint8)(pBuf->aTRNSentries [iX] +
|
|
|
6239 |
paAlphaentries [iX]);
|
|
|
6240 |
}
|
|
|
6241 |
#else
|
|
|
6242 |
if (pData->paPPLTusedentries [iX])
|
|
|
6243 |
{
|
|
|
6244 |
pBuf->aPLTEentries [iX].iRed =
|
|
|
6245 |
(mng_uint8)(pBuf->aPLTEentries [iX].iRed +
|
|
|
6246 |
pData->paPPLTindexentries [iX].iRed );
|
|
|
6247 |
pBuf->aPLTEentries [iX].iGreen =
|
|
|
6248 |
(mng_uint8)(pBuf->aPLTEentries [iX].iGreen +
|
|
|
6249 |
pData->paPPLTindexentries [iX].iGreen);
|
|
|
6250 |
pBuf->aPLTEentries [iX].iBlue =
|
|
|
6251 |
(mng_uint8)(pBuf->aPLTEentries [iX].iBlue +
|
|
|
6252 |
pData->paPPLTindexentries [iX].iBlue );
|
|
|
6253 |
pBuf->aTRNSentries [iX] =
|
|
|
6254 |
(mng_uint8)(pBuf->aTRNSentries [iX] +
|
|
|
6255 |
pData->paPPLTalphaentries [iX]);
|
|
|
6256 |
}
|
|
|
6257 |
#endif
|
|
|
6258 |
}
|
|
|
6259 |
|
|
|
6260 |
break;
|
|
|
6261 |
}
|
|
|
6262 |
}
|
|
|
6263 |
|
|
|
6264 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6265 |
if ((iType != MNG_DELTATYPE_REPLACERGB) && (iType != MNG_DELTATYPE_DELTARGB))
|
|
|
6266 |
#else
|
|
|
6267 |
if ((pData->iPPLTtype != MNG_DELTATYPE_REPLACERGB) &&
|
|
|
6268 |
(pData->iPPLTtype != MNG_DELTATYPE_DELTARGB ) )
|
|
|
6269 |
#endif
|
|
|
6270 |
{
|
|
|
6271 |
if (pBuf->bHasTRNS)
|
|
|
6272 |
{
|
|
|
6273 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6274 |
if (iCount > pBuf->iTRNScount)
|
|
|
6275 |
pBuf->iTRNScount = iCount;
|
|
|
6276 |
#else
|
|
|
6277 |
if (pData->iPPLTcount > pBuf->iTRNScount)
|
|
|
6278 |
pBuf->iTRNScount = pData->iPPLTcount;
|
|
|
6279 |
#endif
|
|
|
6280 |
}
|
|
|
6281 |
else
|
|
|
6282 |
{
|
|
|
6283 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6284 |
pBuf->iTRNScount = iCount;
|
|
|
6285 |
pBuf->bHasTRNS = MNG_TRUE;
|
|
|
6286 |
#else
|
|
|
6287 |
pBuf->iTRNScount = pData->iPPLTcount;
|
|
|
6288 |
pBuf->bHasTRNS = MNG_TRUE;
|
|
|
6289 |
#endif
|
|
|
6290 |
}
|
|
|
6291 |
}
|
|
|
6292 |
|
|
|
6293 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6294 |
if ((iType != MNG_DELTATYPE_REPLACEALPHA) && (iType != MNG_DELTATYPE_DELTAALPHA))
|
|
|
6295 |
#else
|
|
|
6296 |
if ((pData->iPPLTtype != MNG_DELTATYPE_REPLACEALPHA) &&
|
|
|
6297 |
(pData->iPPLTtype != MNG_DELTATYPE_DELTAALPHA ) )
|
|
|
6298 |
#endif
|
|
|
6299 |
{
|
|
|
6300 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6301 |
if (iCount > pBuf->iPLTEcount)
|
|
|
6302 |
pBuf->iPLTEcount = iCount;
|
|
|
6303 |
#else
|
|
|
6304 |
if (pData->iPPLTcount > pBuf->iPLTEcount)
|
|
|
6305 |
pBuf->iPLTEcount = pData->iPPLTcount;
|
|
|
6306 |
#endif
|
|
|
6307 |
}
|
|
|
6308 |
|
|
|
6309 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6310 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PPLT, MNG_LC_END);
|
|
|
6311 |
#endif
|
|
|
6312 |
|
|
|
6313 |
return MNG_NOERROR;
|
|
|
6314 |
}
|
|
|
6315 |
#endif
|
|
|
6316 |
|
|
|
6317 |
/* ************************************************************************** */
|
|
|
6318 |
|
|
|
6319 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
6320 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6321 |
mng_retcode mng_process_display_magn (mng_datap pData,
|
|
|
6322 |
mng_uint16 iFirstid,
|
|
|
6323 |
mng_uint16 iLastid,
|
|
|
6324 |
mng_uint8 iMethodX,
|
|
|
6325 |
mng_uint16 iMX,
|
|
|
6326 |
mng_uint16 iMY,
|
|
|
6327 |
mng_uint16 iML,
|
|
|
6328 |
mng_uint16 iMR,
|
|
|
6329 |
mng_uint16 iMT,
|
|
|
6330 |
mng_uint16 iMB,
|
|
|
6331 |
mng_uint8 iMethodY)
|
|
|
6332 |
#else
|
|
|
6333 |
mng_retcode mng_process_display_magn (mng_datap pData)
|
|
|
6334 |
#endif
|
|
|
6335 |
{
|
|
|
6336 |
mng_uint16 iX;
|
|
|
6337 |
mng_imagep pImage;
|
|
|
6338 |
|
|
|
6339 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6340 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MAGN, MNG_LC_START);
|
|
|
6341 |
#endif
|
|
|
6342 |
/* iterate the object-ids */
|
|
|
6343 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6344 |
for (iX = iFirstid; iX <= iLastid; iX++)
|
|
|
6345 |
#else
|
|
|
6346 |
for (iX = pData->iMAGNfirstid; iX <= pData->iMAGNlastid; iX++)
|
|
|
6347 |
#endif
|
|
|
6348 |
{
|
|
|
6349 |
if (iX == 0) /* process object 0 ? */
|
|
|
6350 |
{
|
|
|
6351 |
pImage = (mng_imagep)pData->pObjzero;
|
|
|
6352 |
|
|
|
6353 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6354 |
pImage->iMAGN_MethodX = iMethodX;
|
|
|
6355 |
pImage->iMAGN_MethodY = iMethodY;
|
|
|
6356 |
pImage->iMAGN_MX = iMX;
|
|
|
6357 |
pImage->iMAGN_MY = iMY;
|
|
|
6358 |
pImage->iMAGN_ML = iML;
|
|
|
6359 |
pImage->iMAGN_MR = iMR;
|
|
|
6360 |
pImage->iMAGN_MT = iMT;
|
|
|
6361 |
pImage->iMAGN_MB = iMB;
|
|
|
6362 |
#else
|
|
|
6363 |
pImage->iMAGN_MethodX = pData->iMAGNmethodX;
|
|
|
6364 |
pImage->iMAGN_MethodY = pData->iMAGNmethodY;
|
|
|
6365 |
pImage->iMAGN_MX = pData->iMAGNmX;
|
|
|
6366 |
pImage->iMAGN_MY = pData->iMAGNmY;
|
|
|
6367 |
pImage->iMAGN_ML = pData->iMAGNmL;
|
|
|
6368 |
pImage->iMAGN_MR = pData->iMAGNmR;
|
|
|
6369 |
pImage->iMAGN_MT = pData->iMAGNmT;
|
|
|
6370 |
pImage->iMAGN_MB = pData->iMAGNmB;
|
|
|
6371 |
#endif
|
|
|
6372 |
}
|
|
|
6373 |
else
|
|
|
6374 |
{
|
|
|
6375 |
pImage = mng_find_imageobject (pData, iX);
|
|
|
6376 |
/* object exists & is not frozen ? */
|
|
|
6377 |
if ((pImage) && (!pImage->bFrozen))
|
|
|
6378 |
{ /* previous magnification to be done ? */
|
|
|
6379 |
if ((pImage->iMAGN_MethodX) || (pImage->iMAGN_MethodY))
|
|
|
6380 |
{
|
|
|
6381 |
mng_retcode iRetcode = mng_magnify_imageobject (pData, pImage);
|
|
|
6382 |
if (iRetcode) /* on error bail out */
|
|
|
6383 |
return iRetcode;
|
|
|
6384 |
}
|
|
|
6385 |
|
|
|
6386 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6387 |
pImage->iMAGN_MethodX = iMethodX;
|
|
|
6388 |
pImage->iMAGN_MethodY = iMethodY;
|
|
|
6389 |
pImage->iMAGN_MX = iMX;
|
|
|
6390 |
pImage->iMAGN_MY = iMY;
|
|
|
6391 |
pImage->iMAGN_ML = iML;
|
|
|
6392 |
pImage->iMAGN_MR = iMR;
|
|
|
6393 |
pImage->iMAGN_MT = iMT;
|
|
|
6394 |
pImage->iMAGN_MB = iMB;
|
|
|
6395 |
#else
|
|
|
6396 |
pImage->iMAGN_MethodX = pData->iMAGNmethodX;
|
|
|
6397 |
pImage->iMAGN_MethodY = pData->iMAGNmethodY;
|
|
|
6398 |
pImage->iMAGN_MX = pData->iMAGNmX;
|
|
|
6399 |
pImage->iMAGN_MY = pData->iMAGNmY;
|
|
|
6400 |
pImage->iMAGN_ML = pData->iMAGNmL;
|
|
|
6401 |
pImage->iMAGN_MR = pData->iMAGNmR;
|
|
|
6402 |
pImage->iMAGN_MT = pData->iMAGNmT;
|
|
|
6403 |
pImage->iMAGN_MB = pData->iMAGNmB;
|
|
|
6404 |
#endif
|
|
|
6405 |
}
|
|
|
6406 |
}
|
|
|
6407 |
}
|
|
|
6408 |
|
|
|
6409 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6410 |
pData->iMAGNfromid = iFirstid;
|
|
|
6411 |
pData->iMAGNtoid = iLastid;
|
|
|
6412 |
iX = iFirstid;
|
|
|
6413 |
#else
|
|
|
6414 |
pData->iMAGNfromid = pData->iMAGNfirstid;
|
|
|
6415 |
pData->iMAGNtoid = pData->iMAGNlastid;
|
|
|
6416 |
iX = pData->iMAGNfirstid;
|
|
|
6417 |
#endif
|
|
|
6418 |
/* iterate again for showing */
|
|
|
6419 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6420 |
while ((iX <= iLastid) && (!pData->bTimerset))
|
|
|
6421 |
#else
|
|
|
6422 |
while ((iX <= pData->iMAGNlastid) && (!pData->bTimerset))
|
|
|
6423 |
#endif
|
|
|
6424 |
{
|
|
|
6425 |
pData->iMAGNcurrentid = iX;
|
|
|
6426 |
|
|
|
6427 |
if (iX) /* only real objects ! */
|
|
|
6428 |
{
|
|
|
6429 |
pImage = mng_find_imageobject (pData, iX);
|
|
|
6430 |
/* object exists & is not frozen &
|
|
|
6431 |
is visible & is viewable ? */
|
|
|
6432 |
if ((pImage) && (!pImage->bFrozen) &&
|
|
|
6433 |
(pImage->bVisible) && (pImage->bViewable))
|
|
|
6434 |
{
|
|
|
6435 |
mng_retcode iRetcode = mng_display_image (pData, pImage, MNG_FALSE);
|
|
|
6436 |
if (iRetcode)
|
|
|
6437 |
return iRetcode;
|
|
|
6438 |
}
|
|
|
6439 |
}
|
|
|
6440 |
|
|
|
6441 |
iX++;
|
|
|
6442 |
}
|
|
|
6443 |
|
|
|
6444 |
if (pData->bTimerset) /* broken ? */
|
|
|
6445 |
pData->iBreakpoint = 9;
|
|
|
6446 |
|
|
|
6447 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6448 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MAGN, MNG_LC_END);
|
|
|
6449 |
#endif
|
|
|
6450 |
|
|
|
6451 |
return MNG_NOERROR;
|
|
|
6452 |
}
|
|
|
6453 |
|
|
|
6454 |
/* ************************************************************************** */
|
|
|
6455 |
|
|
|
6456 |
mng_retcode mng_process_display_magn2 (mng_datap pData)
|
|
|
6457 |
{
|
|
|
6458 |
mng_uint16 iX;
|
|
|
6459 |
mng_imagep pImage;
|
|
|
6460 |
|
|
|
6461 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6462 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MAGN, MNG_LC_START);
|
|
|
6463 |
#endif
|
|
|
6464 |
|
|
|
6465 |
iX = pData->iMAGNcurrentid;
|
|
|
6466 |
/* iterate again for showing */
|
|
|
6467 |
while ((iX <= pData->iMAGNtoid) && (!pData->bTimerset))
|
|
|
6468 |
{
|
|
|
6469 |
pData->iMAGNcurrentid = iX;
|
|
|
6470 |
|
|
|
6471 |
if (iX) /* only real objects ! */
|
|
|
6472 |
{
|
|
|
6473 |
pImage = mng_find_imageobject (pData, iX);
|
|
|
6474 |
/* object exists & is not frozen &
|
|
|
6475 |
is visible & is viewable ? */
|
|
|
6476 |
if ((pImage) && (!pImage->bFrozen) &&
|
|
|
6477 |
(pImage->bVisible) && (pImage->bViewable))
|
|
|
6478 |
{
|
|
|
6479 |
mng_retcode iRetcode = mng_display_image (pData, pImage, MNG_FALSE);
|
|
|
6480 |
if (iRetcode)
|
|
|
6481 |
return iRetcode;
|
|
|
6482 |
}
|
|
|
6483 |
}
|
|
|
6484 |
|
|
|
6485 |
iX++;
|
|
|
6486 |
}
|
|
|
6487 |
|
|
|
6488 |
if (pData->bTimerset) /* broken ? */
|
|
|
6489 |
pData->iBreakpoint = 9;
|
|
|
6490 |
else
|
|
|
6491 |
pData->iBreakpoint = 0; /* not again ! */
|
|
|
6492 |
|
|
|
6493 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6494 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MAGN, MNG_LC_END);
|
|
|
6495 |
#endif
|
|
|
6496 |
|
|
|
6497 |
return MNG_NOERROR;
|
|
|
6498 |
}
|
|
|
6499 |
#endif
|
|
|
6500 |
|
|
|
6501 |
/* ************************************************************************** */
|
|
|
6502 |
|
|
|
6503 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
|
6504 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6505 |
mng_retcode mng_process_display_past (mng_datap pData,
|
|
|
6506 |
mng_uint16 iTargetid,
|
|
|
6507 |
mng_uint8 iTargettype,
|
|
|
6508 |
mng_int32 iTargetx,
|
|
|
6509 |
mng_int32 iTargety,
|
|
|
6510 |
mng_uint32 iCount,
|
|
|
6511 |
mng_ptr pSources)
|
|
|
6512 |
#else
|
|
|
6513 |
mng_retcode mng_process_display_past (mng_datap pData)
|
|
|
6514 |
#endif
|
|
|
6515 |
{
|
|
|
6516 |
mng_retcode iRetcode = MNG_NOERROR;
|
|
|
6517 |
mng_imagep pTargetimg;
|
|
|
6518 |
mng_imagep pSourceimg;
|
|
|
6519 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6520 |
mng_past_sourcep pSource = (mng_past_sourcep)pSources;
|
|
|
6521 |
#else
|
|
|
6522 |
mng_past_sourcep pSource = (mng_past_sourcep)pData->pPASTsources;
|
|
|
6523 |
#endif
|
|
|
6524 |
mng_uint32 iX = 0;
|
|
|
6525 |
|
|
|
6526 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
6527 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PAST, MNG_LC_START);
|
|
|
6528 |
#endif
|
|
|
6529 |
|
|
|
6530 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6531 |
if (iTargetid) /* a real destination object ? */
|
|
|
6532 |
#else
|
|
|
6533 |
if (pData->iPASTtargetid) /* a real destination object ? */
|
|
|
6534 |
#endif
|
|
|
6535 |
{ /* let's find it then */
|
|
|
6536 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6537 |
pTargetimg = (mng_imagep)mng_find_imageobject (pData, iTargetid);
|
|
|
6538 |
#else
|
|
|
6539 |
pTargetimg = (mng_imagep)mng_find_imageobject (pData, pData->iPASTtargetid);
|
|
|
6540 |
#endif
|
|
|
6541 |
|
|
|
6542 |
if (!pTargetimg) /* if it doesn't exists; do a barf */
|
|
|
6543 |
MNG_ERROR (pData, MNG_OBJECTUNKNOWN);
|
|
|
6544 |
/* it's gotta be abstract !!! */
|
|
|
6545 |
if (pTargetimg->pImgbuf->bConcrete)
|
|
|
6546 |
MNG_ERROR (pData, MNG_OBJNOTABSTRACT);
|
|
|
6547 |
/* we want 32-/64-bit RGBA to play with ! */
|
|
|
6548 |
if ((pTargetimg->pImgbuf->iBitdepth <= MNG_BITDEPTH_8) ||
|
|
|
6549 |
(pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_GRAY) ||
|
|
|
6550 |
(pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_RGB) ||
|
|
|
6551 |
(pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_INDEXED) ||
|
|
|
6552 |
(pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_GRAYA) )
|
|
|
6553 |
iRetcode = mng_promote_imageobject (pData, pTargetimg, MNG_BITDEPTH_8,
|
|
|
6554 |
MNG_COLORTYPE_RGBA,
|
|
|
6555 |
MNG_FILLMETHOD_LEFTBITREPLICATE);
|
|
|
6556 |
else
|
|
|
6557 |
if ((pTargetimg->pImgbuf->iBitdepth > MNG_BITDEPTH_8) &&
|
|
|
6558 |
((pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_GRAY) ||
|
|
|
6559 |
(pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_RGB) ||
|
|
|
6560 |
(pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_GRAYA) ) )
|
|
|
6561 |
iRetcode = mng_promote_imageobject (pData, pTargetimg, MNG_BITDEPTH_16,
|
|
|
6562 |
MNG_COLORTYPE_RGBA,
|
|
|
6563 |
MNG_FILLMETHOD_LEFTBITREPLICATE);
|
|
|
6564 |
#ifdef MNG_INCLUDE_JNG
|
|
|
6565 |
else
|
|
|
6566 |
if ((pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_JPEGGRAY) ||
|
|
|
6567 |
(pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_JPEGCOLOR) ||
|
|
|
6568 |
(pTargetimg->pImgbuf->iColortype == MNG_COLORTYPE_JPEGGRAYA) )
|
|
|
6569 |
iRetcode = mng_promote_imageobject (pData, pTargetimg,
|
|
|
6570 |
pTargetimg->pImgbuf->iBitdepth,
|
|
|
6571 |
MNG_COLORTYPE_JPEGCOLORA,
|
|
|
6572 |
MNG_FILLMETHOD_LEFTBITREPLICATE);
|
|
|
6573 |
#endif
|
|
|
6574 |
|
|
|
6575 |
if (iRetcode) /* on error bail out */
|
|
|
6576 |
return iRetcode;
|
|
|
6577 |
/* make it really abstract ? */
|
|
|
6578 |
if (!pTargetimg->pImgbuf->bCorrected)
|
|
|
6579 |
{
|
|
|
6580 |
iRetcode = mng_colorcorrect_object (pData, pTargetimg);
|
|
|
6581 |
|
|
|
6582 |
if (iRetcode) /* on error bail out */
|
|
|
6583 |
return iRetcode;
|
|
|
6584 |
}
|
|
|
6585 |
}
|
|
|
6586 |
else
|
|
|
6587 |
{ /* pasting into object 0 !!! */
|
|
|
6588 |
pTargetimg = (mng_imagep)pData->pObjzero;
|
|
|
6589 |
/* is it usable ??? */
|
|
|
6590 |
if ((pTargetimg->bClipped) &&
|
|
|
6591 |
(pTargetimg->iClipr > pTargetimg->iPosx) &&
|
|
|
6592 |
(pTargetimg->iClipb > pTargetimg->iPosy))
|
|
|
6593 |
{
|
|
|
6594 |
/* make it 32-bit RGBA please !!! */
|
|
|
6595 |
iRetcode = mng_reset_object_details (pData, pTargetimg,
|
|
|
6596 |
pTargetimg->iClipr - pTargetimg->iPosx,
|
|
|
6597 |
pTargetimg->iClipb - pTargetimg->iPosy,
|
|
|
6598 |
MNG_BITDEPTH_8, MNG_COLORTYPE_RGBA,
|
|
|
6599 |
0, 0, 0, MNG_FALSE);
|
|
|
6600 |
|
|
|
6601 |
if (iRetcode) /* on error bail out */
|
|
|
6602 |
return iRetcode;
|
|
|
6603 |
}
|
|
|
6604 |
else
|
|
|
6605 |
pTargetimg = MNG_NULL; /* clipped beyond visibility ! */
|
|
|
6606 |
}
|
|
|
6607 |
|
|
|
6608 |
if (pTargetimg) /* usable destination ? */
|
|
|
6609 |
{
|
|
|
6610 |
mng_int32 iSourceY;
|
|
|
6611 |
mng_int32 iSourceYinc;
|
|
|
6612 |
mng_int32 iSourcerowsize;
|
|
|
6613 |
mng_int32 iSourcesamples;
|
|
|
6614 |
mng_bool bSourceRGBA16;
|
|
|
6615 |
mng_int32 iTargetY;
|
|
|
6616 |
mng_int32 iTargetrowsize;
|
|
|
6617 |
mng_int32 iTargetsamples;
|
|
|
6618 |
mng_bool bTargetRGBA16 = MNG_FALSE;
|
|
|
6619 |
mng_int32 iTemprowsize;
|
|
|
6620 |
mng_imagedatap pBuf;
|
|
|
6621 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
6622 |
/* needs magnification ? */
|
|
|
6623 |
if ((pTargetimg->iMAGN_MethodX) || (pTargetimg->iMAGN_MethodY))
|
|
|
6624 |
iRetcode = mng_magnify_imageobject (pData, pTargetimg);
|
|
|
6625 |
#endif
|
|
|
6626 |
|
|
|
6627 |
if (!iRetcode) /* still ok ? */
|
|
|
6628 |
{
|
|
|
6629 |
bTargetRGBA16 = (mng_bool)(pTargetimg->pImgbuf->iBitdepth > 8);
|
|
|
6630 |
|
|
|
6631 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6632 |
switch (iTargettype) /* determine target x/y */
|
|
|
6633 |
#else
|
|
|
6634 |
switch (pData->iPASTtargettype) /* determine target x/y */
|
|
|
6635 |
#endif
|
|
|
6636 |
{
|
|
|
6637 |
case 0 : {
|
|
|
6638 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6639 |
pData->iPastx = iTargetx;
|
|
|
6640 |
pData->iPasty = iTargety;
|
|
|
6641 |
#else
|
|
|
6642 |
pData->iPastx = pData->iPASTtargetx;
|
|
|
6643 |
pData->iPasty = pData->iPASTtargety;
|
|
|
6644 |
#endif
|
|
|
6645 |
break;
|
|
|
6646 |
}
|
|
|
6647 |
|
|
|
6648 |
case 1 : {
|
|
|
6649 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6650 |
pData->iPastx = pTargetimg->iPastx + iTargetx;
|
|
|
6651 |
pData->iPasty = pTargetimg->iPasty + iTargety;
|
|
|
6652 |
#else
|
|
|
6653 |
pData->iPastx = pTargetimg->iPastx + pData->iPASTtargetx;
|
|
|
6654 |
pData->iPasty = pTargetimg->iPasty + pData->iPASTtargety;
|
|
|
6655 |
#endif
|
|
|
6656 |
break;
|
|
|
6657 |
}
|
|
|
6658 |
|
|
|
6659 |
case 2 : {
|
|
|
6660 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6661 |
pData->iPastx += iTargetx;
|
|
|
6662 |
pData->iPasty += iTargety;
|
|
|
6663 |
#else
|
|
|
6664 |
pData->iPastx += pData->iPASTtargetx;
|
|
|
6665 |
pData->iPasty += pData->iPASTtargety;
|
|
|
6666 |
#endif
|
|
|
6667 |
break;
|
|
|
6668 |
}
|
|
|
6669 |
}
|
|
|
6670 |
/* save for next time ... */
|
|
|
6671 |
pTargetimg->iPastx = pData->iPastx;
|
|
|
6672 |
pTargetimg->iPasty = pData->iPasty;
|
|
|
6673 |
/* address destination for row-routines */
|
|
|
6674 |
pData->pStoreobj = (mng_objectp)pTargetimg;
|
|
|
6675 |
pData->pStorebuf = (mng_objectp)pTargetimg->pImgbuf;
|
|
|
6676 |
}
|
|
|
6677 |
/* process the sources one by one */
|
|
|
6678 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
6679 |
while ((!iRetcode) && (iX < iCount))
|
|
|
6680 |
#else
|
|
|
6681 |
while ((!iRetcode) && (iX < pData->iPASTcount))
|
|
|
6682 |
#endif
|
|
|
6683 |
{ /* find the little bastards first */
|
|
|
6684 |
pSourceimg = (mng_imagep)mng_find_imageobject (pData, pSource->iSourceid);
|
|
|
6685 |
/* exists and viewable? */
|
|
|
6686 |
if ((pSourceimg) && (pSourceimg->bViewable))
|
|
|
6687 |
{ /* needs magnification ? */
|
|
|
6688 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
|
6689 |
if ((pSourceimg->iMAGN_MethodX) || (pSourceimg->iMAGN_MethodY))
|
|
|
6690 |
iRetcode = mng_magnify_imageobject (pData, pSourceimg);
|
|
|
6691 |
#endif
|
|
|
6692 |
|
|
|
6693 |
if (!iRetcode) /* still ok ? */
|
|
|
6694 |
{
|
|
|
6695 |
pBuf = (mng_imagedatap)pSourceimg->pImgbuf;
|
|
|
6696 |
/* address source for row-routines */
|
|
|
6697 |
pData->pRetrieveobj = (mng_objectp)pSourceimg;
|
|
|
6698 |
|
|
|
6699 |
pData->iPass = -1; /* init row-processing variables */
|
|
|
6700 |
pData->iRowinc = 1;
|
|
|
6701 |
pData->iColinc = 1;
|
|
|
6702 |
pData->iPixelofs = 0;
|
|
|
6703 |
iSourcesamples = (mng_int32)pBuf->iWidth;
|
|
|
6704 |
iSourcerowsize = pBuf->iRowsize;
|
|
|
6705 |
bSourceRGBA16 = (mng_bool)(pBuf->iBitdepth > 8);
|
|
|
6706 |
/* make sure the delta-routines do the right thing */
|
|
|
6707 |
pData->iDeltatype = MNG_DELTATYPE_BLOCKPIXELREPLACE;
|
|
|
6708 |
|
|
|
6709 |
switch (pBuf->iColortype)
|
|
|
6710 |
{
|
|
|
6711 |
case 0 : {
|
|
|
6712 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6713 |
if (bSourceRGBA16)
|
|
|
6714 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g16;
|
|
|
6715 |
else
|
|
|
6716 |
#endif
|
|
|
6717 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g8;
|
|
|
6718 |
|
|
|
6719 |
pData->bIsOpaque = (mng_bool)(!pBuf->bHasTRNS);
|
|
|
6720 |
break;
|
|
|
6721 |
}
|
|
|
6722 |
|
|
|
6723 |
case 2 : {
|
|
|
6724 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6725 |
if (bSourceRGBA16)
|
|
|
6726 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb16;
|
|
|
6727 |
else
|
|
|
6728 |
#endif
|
|
|
6729 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb8;
|
|
|
6730 |
|
|
|
6731 |
pData->bIsOpaque = (mng_bool)(!pBuf->bHasTRNS);
|
|
|
6732 |
break;
|
|
|
6733 |
}
|
|
|
6734 |
|
|
|
6735 |
|
|
|
6736 |
case 3 : { pData->fRetrieverow = (mng_fptr)mng_retrieve_idx8;
|
|
|
6737 |
pData->bIsOpaque = (mng_bool)(!pBuf->bHasTRNS);
|
|
|
6738 |
break;
|
|
|
6739 |
}
|
|
|
6740 |
|
|
|
6741 |
|
|
|
6742 |
case 4 : {
|
|
|
6743 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6744 |
if (bSourceRGBA16)
|
|
|
6745 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga16;
|
|
|
6746 |
else
|
|
|
6747 |
#endif
|
|
|
6748 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga8;
|
|
|
6749 |
|
|
|
6750 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
6751 |
break;
|
|
|
6752 |
}
|
|
|
6753 |
|
|
|
6754 |
|
|
|
6755 |
case 6 : {
|
|
|
6756 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6757 |
if (bSourceRGBA16)
|
|
|
6758 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba16;
|
|
|
6759 |
else
|
|
|
6760 |
#endif
|
|
|
6761 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba8;
|
|
|
6762 |
|
|
|
6763 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
6764 |
break;
|
|
|
6765 |
}
|
|
|
6766 |
|
|
|
6767 |
case 8 : {
|
|
|
6768 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6769 |
if (bSourceRGBA16)
|
|
|
6770 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g16;
|
|
|
6771 |
else
|
|
|
6772 |
#endif
|
|
|
6773 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_g8;
|
|
|
6774 |
|
|
|
6775 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
6776 |
break;
|
|
|
6777 |
}
|
|
|
6778 |
|
|
|
6779 |
case 10 : {
|
|
|
6780 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6781 |
if (bSourceRGBA16)
|
|
|
6782 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb16;
|
|
|
6783 |
else
|
|
|
6784 |
#endif
|
|
|
6785 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgb8;
|
|
|
6786 |
|
|
|
6787 |
pData->bIsOpaque = MNG_TRUE;
|
|
|
6788 |
break;
|
|
|
6789 |
}
|
|
|
6790 |
|
|
|
6791 |
|
|
|
6792 |
case 12 : {
|
|
|
6793 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6794 |
if (bSourceRGBA16)
|
|
|
6795 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga16;
|
|
|
6796 |
else
|
|
|
6797 |
#endif
|
|
|
6798 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_ga8;
|
|
|
6799 |
|
|
|
6800 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
6801 |
break;
|
|
|
6802 |
}
|
|
|
6803 |
|
|
|
6804 |
|
|
|
6805 |
case 14 : {
|
|
|
6806 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6807 |
if (bSourceRGBA16)
|
|
|
6808 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba16;
|
|
|
6809 |
else
|
|
|
6810 |
#endif
|
|
|
6811 |
pData->fRetrieverow = (mng_fptr)mng_retrieve_rgba8;
|
|
|
6812 |
|
|
|
6813 |
pData->bIsOpaque = MNG_FALSE;
|
|
|
6814 |
break;
|
|
|
6815 |
}
|
|
|
6816 |
}
|
|
|
6817 |
/* determine scaling */
|
|
|
6818 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6819 |
#ifndef MNG_NO_DELTA_PNG
|
|
|
6820 |
if ((!bSourceRGBA16) && (bTargetRGBA16))
|
|
|
6821 |
pData->fScalerow = (mng_fptr)mng_scale_rgba8_rgba16;
|
|
|
6822 |
else
|
|
|
6823 |
if ((bSourceRGBA16) && (!bTargetRGBA16))
|
|
|
6824 |
pData->fScalerow = (mng_fptr)mng_scale_rgba16_rgba8;
|
|
|
6825 |
else
|
|
|
6826 |
#endif
|
|
|
6827 |
#endif
|
|
|
6828 |
pData->fScalerow = MNG_NULL;
|
|
|
6829 |
|
|
|
6830 |
/* default no color-correction */
|
|
|
6831 |
pData->fCorrectrow = MNG_NULL;
|
|
|
6832 |
|
|
|
6833 |
#if defined(MNG_FULL_CMS) /* determine color-management routine */
|
|
|
6834 |
iRetcode = mng_init_full_cms (pData, MNG_FALSE, MNG_FALSE, MNG_TRUE);
|
|
|
6835 |
#elif defined(MNG_GAMMA_ONLY)
|
|
|
6836 |
iRetcode = mng_init_gamma_only (pData, MNG_FALSE, MNG_FALSE, MNG_TRUE);
|
|
|
6837 |
#elif defined(MNG_APP_CMS)
|
|
|
6838 |
iRetcode = mng_init_app_cms (pData, MNG_FALSE, MNG_FALSE, MNG_TRUE);
|
|
|
6839 |
#endif
|
|
|
6840 |
}
|
|
|
6841 |
|
|
|
6842 |
if (!iRetcode) /* still ok ? */
|
|
|
6843 |
{
|
|
|
6844 |
pData->fFliprow = MNG_NULL; /* no flipping or tiling by default */
|
|
|
6845 |
pData->fTilerow = MNG_NULL;
|
|
|
6846 |
/* but perhaps we do have to ... */
|
|
|
6847 |
switch (pSource->iOrientation)
|
|
|
6848 |
{
|
|
|
6849 |
case 2 : ;
|
|
|
6850 |
case 4 : {
|
|
|
6851 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6852 |
if (bTargetRGBA16)
|
|
|
6853 |
pData->fFliprow = (mng_fptr)mng_flip_rgba16;
|
|
|
6854 |
else
|
|
|
6855 |
#endif
|
|
|
6856 |
pData->fFliprow = (mng_fptr)mng_flip_rgba8;
|
|
|
6857 |
break;
|
|
|
6858 |
}
|
|
|
6859 |
|
|
|
6860 |
case 8 : {
|
|
|
6861 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6862 |
if (bTargetRGBA16)
|
|
|
6863 |
pData->fTilerow = (mng_fptr)mng_tile_rgba16;
|
|
|
6864 |
else
|
|
|
6865 |
#endif
|
|
|
6866 |
pData->fTilerow = (mng_fptr)mng_tile_rgba8;
|
|
|
6867 |
break;
|
|
|
6868 |
}
|
|
|
6869 |
}
|
|
|
6870 |
/* determine composition routine */
|
|
|
6871 |
/* note that we're abusing the delta-routine setup !!! */
|
|
|
6872 |
switch (pSource->iComposition)
|
|
|
6873 |
{
|
|
|
6874 |
case 0 : { /* composite over */
|
|
|
6875 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6876 |
if (bTargetRGBA16)
|
|
|
6877 |
pData->fDeltarow = (mng_fptr)mng_composeover_rgba16;
|
|
|
6878 |
else
|
|
|
6879 |
#endif
|
|
|
6880 |
pData->fDeltarow = (mng_fptr)mng_composeover_rgba8;
|
|
|
6881 |
break;
|
|
|
6882 |
}
|
|
|
6883 |
|
|
|
6884 |
case 1 : { /* replace */
|
|
|
6885 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6886 |
if (bTargetRGBA16)
|
|
|
6887 |
pData->fDeltarow = (mng_fptr)mng_delta_rgba16_rgba16;
|
|
|
6888 |
else
|
|
|
6889 |
#endif
|
|
|
6890 |
pData->fDeltarow = (mng_fptr)mng_delta_rgba8_rgba8;
|
|
|
6891 |
break;
|
|
|
6892 |
}
|
|
|
6893 |
|
|
|
6894 |
case 2 : { /* composite under */
|
|
|
6895 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6896 |
if (bTargetRGBA16)
|
|
|
6897 |
pData->fDeltarow = (mng_fptr)mng_composeunder_rgba16;
|
|
|
6898 |
else
|
|
|
6899 |
#endif
|
|
|
6900 |
pData->fDeltarow = (mng_fptr)mng_composeunder_rgba8;
|
|
|
6901 |
break;
|
|
|
6902 |
}
|
|
|
6903 |
}
|
|
|
6904 |
/* determine offsets & clipping */
|
|
|
6905 |
if (pSource->iOffsettype == 1)
|
|
|
6906 |
{
|
|
|
6907 |
pData->iDestl = pData->iPastx + pSource->iOffsetx;
|
|
|
6908 |
pData->iDestt = pData->iPasty + pSource->iOffsety;
|
|
|
6909 |
}
|
|
|
6910 |
else
|
|
|
6911 |
{
|
|
|
6912 |
pData->iDestl = pSource->iOffsetx;
|
|
|
6913 |
pData->iDestt = pSource->iOffsety;
|
|
|
6914 |
}
|
|
|
6915 |
|
|
|
6916 |
pData->iDestr = (mng_int32)pTargetimg->pImgbuf->iWidth;
|
|
|
6917 |
pData->iDestb = (mng_int32)pTargetimg->pImgbuf->iHeight;
|
|
|
6918 |
/* take the source dimension into account ? */
|
|
|
6919 |
if (pSource->iOrientation != 8)
|
|
|
6920 |
{
|
|
|
6921 |
pData->iDestr = MIN_COORD (pData->iDestr, pData->iDestl + (mng_int32)pBuf->iWidth);
|
|
|
6922 |
pData->iDestb = MIN_COORD (pData->iDestb, pData->iDestt + (mng_int32)pBuf->iHeight);
|
|
|
6923 |
}
|
|
|
6924 |
/* source clipping */
|
|
|
6925 |
if (pSource->iBoundarytype == 1)
|
|
|
6926 |
{
|
|
|
6927 |
if (pData->iDestl < pData->iPastx + pSource->iBoundaryl)
|
|
|
6928 |
pData->iSourcel = pData->iPastx + pSource->iBoundaryl - pData->iDestl;
|
|
|
6929 |
else
|
|
|
6930 |
pData->iSourcel = 0;
|
|
|
6931 |
|
|
|
6932 |
if (pData->iDestt < pData->iPasty + pSource->iBoundaryt)
|
|
|
6933 |
pData->iSourcet = pData->iPasty + pSource->iBoundaryt - pData->iDestt;
|
|
|
6934 |
else
|
|
|
6935 |
pData->iSourcet = 0;
|
|
|
6936 |
|
|
|
6937 |
pData->iDestl = MAX_COORD (pData->iDestl, pData->iPastx + pSource->iBoundaryl);
|
|
|
6938 |
pData->iDestt = MAX_COORD (pData->iDestt, pData->iPasty + pSource->iBoundaryt);
|
|
|
6939 |
pData->iDestr = MIN_COORD (pData->iDestr, pData->iPastx + pSource->iBoundaryr);
|
|
|
6940 |
pData->iDestb = MIN_COORD (pData->iDestb, pData->iPasty + pSource->iBoundaryb);
|
|
|
6941 |
}
|
|
|
6942 |
else
|
|
|
6943 |
{
|
|
|
6944 |
if (pData->iDestl < pSource->iBoundaryl)
|
|
|
6945 |
pData->iSourcel = pSource->iBoundaryl - pData->iDestl;
|
|
|
6946 |
else
|
|
|
6947 |
pData->iSourcel = 0;
|
|
|
6948 |
|
|
|
6949 |
if (pData->iDestt < pSource->iBoundaryt)
|
|
|
6950 |
pData->iSourcet = pSource->iBoundaryt - pData->iDestt;
|
|
|
6951 |
else
|
|
|
6952 |
pData->iSourcet = 0;
|
|
|
6953 |
|
|
|
6954 |
pData->iDestl = MAX_COORD (pData->iDestl, pSource->iBoundaryl);
|
|
|
6955 |
pData->iDestt = MAX_COORD (pData->iDestt, pSource->iBoundaryt);
|
|
|
6956 |
pData->iDestr = MIN_COORD (pData->iDestr, pSource->iBoundaryr);
|
|
|
6957 |
pData->iDestb = MIN_COORD (pData->iDestb, pSource->iBoundaryb);
|
|
|
6958 |
}
|
|
|
6959 |
|
|
|
6960 |
if (pData->iSourcel) /* indent source ? */
|
|
|
6961 |
{
|
|
|
6962 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6963 |
if (bTargetRGBA16) /* abuse tiling routine to shift source-pixels */
|
|
|
6964 |
pData->fTilerow = (mng_fptr)mng_tile_rgba16;
|
|
|
6965 |
else
|
|
|
6966 |
#endif
|
|
|
6967 |
pData->fTilerow = (mng_fptr)mng_tile_rgba8;
|
|
|
6968 |
}
|
|
|
6969 |
/* anything to display ? */
|
|
|
6970 |
if ((pData->iDestl <= pData->iDestr) && (pData->iDestt <= pData->iDestb))
|
|
|
6971 |
{ /* init variables for the loop */
|
|
|
6972 |
if ((pSource->iOrientation == 2) || (pSource->iOrientation == 6))
|
|
|
6973 |
{
|
|
|
6974 |
iSourceY = (mng_int32)pBuf->iHeight - 1 - pData->iSourcet;
|
|
|
6975 |
iSourceYinc = -1;
|
|
|
6976 |
}
|
|
|
6977 |
else
|
|
|
6978 |
{
|
|
|
6979 |
iSourceY = pData->iSourcet;
|
|
|
6980 |
iSourceYinc = 1;
|
|
|
6981 |
}
|
|
|
6982 |
|
|
|
6983 |
iTargetY = pData->iDestt;
|
|
|
6984 |
pData->iCol = pData->iDestl;
|
|
|
6985 |
|
|
|
6986 |
iTargetsamples = pData->iDestr - pData->iDestl;
|
|
|
6987 |
|
|
|
6988 |
#ifndef MNG_NO_16BIT_SUPPORT
|
|
|
6989 |
if (bTargetRGBA16)
|
|
|
6990 |
iTargetrowsize = (iTargetsamples << 3);
|
|
|
6991 |
else
|
|
|
6992 |
#endif
|
|
|
6993 |
iTargetrowsize = (iTargetsamples << 2);
|
|
|
6994 |
|
|
|
6995 |
/* get temporary work-buffers */
|
|
|
6996 |
if (iSourcerowsize > iTargetrowsize)
|
|
|
6997 |
iTemprowsize = iSourcerowsize << 1;
|
|
|
6998 |
else
|
|
|
6999 |
iTemprowsize = iTargetrowsize << 1;
|
|
|
7000 |
MNG_ALLOC (pData, pData->pRGBArow, iTemprowsize);
|
|
|
7001 |
MNG_ALLOC (pData, pData->pWorkrow, iTemprowsize);
|
|
|
7002 |
|
|
|
7003 |
while ((!iRetcode) && (iTargetY < pData->iDestb))
|
|
|
7004 |
{ /* get a row */
|
|
|
7005 |
pData->iRow = iSourceY;
|
|
|
7006 |
pData->iRowsamples = iSourcesamples;
|
|
|
7007 |
pData->iRowsize = iSourcerowsize;
|
|
|
7008 |
pData->bIsRGBA16 = bSourceRGBA16;
|
|
|
7009 |
iRetcode = ((mng_retrieverow)pData->fRetrieverow) (pData);
|
|
|
7010 |
/* scale it (if necessary) */
|
|
|
7011 |
if ((!iRetcode) && (pData->fScalerow))
|
|
|
7012 |
iRetcode = ((mng_scalerow)pData->fScalerow) (pData);
|
|
|
7013 |
|
|
|
7014 |
pData->bIsRGBA16 = bTargetRGBA16;
|
|
|
7015 |
/* color correction (if necessary) */
|
|
|
7016 |
if ((!iRetcode) && (pData->fCorrectrow))
|
|
|
7017 |
iRetcode = ((mng_correctrow)pData->fCorrectrow) (pData);
|
|
|
7018 |
/* flipping (if necessary) */
|
|
|
7019 |
if ((!iRetcode) && (pData->fFliprow))
|
|
|
7020 |
iRetcode = ((mng_fliprow)pData->fFliprow) (pData);
|
|
|
7021 |
/* tiling (if necessary) */
|
|
|
7022 |
if ((!iRetcode) && (pData->fTilerow))
|
|
|
7023 |
iRetcode = ((mng_tilerow)pData->fTilerow) (pData);
|
|
|
7024 |
|
|
|
7025 |
if (!iRetcode) /* and paste..... */
|
|
|
7026 |
{
|
|
|
7027 |
pData->iRow = iTargetY;
|
|
|
7028 |
pData->iRowsamples = iTargetsamples;
|
|
|
7029 |
pData->iRowsize = iTargetrowsize;
|
|
|
7030 |
iRetcode = ((mng_deltarow)pData->fDeltarow) (pData);
|
|
|
7031 |
}
|
|
|
7032 |
|
|
|
7033 |
iSourceY += iSourceYinc; /* and next line */
|
|
|
7034 |
|
|
|
7035 |
if (iSourceY < 0)
|
|
|
7036 |
iSourceY = (mng_int32)pBuf->iHeight - 1;
|
|
|
7037 |
else
|
|
|
7038 |
if (iSourceY >= (mng_int32)pBuf->iHeight)
|
|
|
7039 |
iSourceY = 0;
|
|
|
7040 |
|
|
|
7041 |
iTargetY++;
|
|
|
7042 |
}
|
|
|
7043 |
/* drop the temporary row-buffer */
|
|
|
7044 |
MNG_FREEX (pData, pData->pWorkrow, iTemprowsize);
|
|
|
7045 |
MNG_FREEX (pData, pData->pRGBArow, iTemprowsize);
|
|
|
7046 |
}
|
|
|
7047 |
|
|
|
7048 |
#if defined(MNG_FULL_CMS) /* cleanup cms stuff */
|
|
|
7049 |
if (!iRetcode)
|
|
|
7050 |
iRetcode = mng_clear_cms (pData);
|
|
|
7051 |
#endif
|
|
|
7052 |
}
|
|
|
7053 |
|
|
|
7054 |
pSource++; /* neeeeext */
|
|
|
7055 |
iX++;
|
|
|
7056 |
}
|
|
|
7057 |
}
|
|
|
7058 |
|
|
|
7059 |
if (iRetcode) /* on error bail out */
|
|
|
7060 |
return iRetcode;
|
|
|
7061 |
|
|
|
7062 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
7063 |
if (!iTargetid) /* did we paste into object 0 ? */
|
|
|
7064 |
#else
|
|
|
7065 |
if (!pData->iPASTtargetid) /* did we paste into object 0 ? */
|
|
|
7066 |
#endif
|
|
|
7067 |
{ /* display it then ! */
|
|
|
7068 |
iRetcode = mng_display_image (pData, pTargetimg, MNG_FALSE);
|
|
|
7069 |
if (iRetcode) /* on error bail out */
|
|
|
7070 |
return iRetcode;
|
|
|
7071 |
}
|
|
|
7072 |
else
|
|
|
7073 |
{ /* target is visible & viewable ? */
|
|
|
7074 |
if ((pTargetimg->bVisible) && (pTargetimg->bViewable))
|
|
|
7075 |
{
|
|
|
7076 |
iRetcode = mng_display_image (pData, pTargetimg, MNG_FALSE);
|
|
|
7077 |
if (iRetcode)
|
|
|
7078 |
return iRetcode;
|
|
|
7079 |
}
|
|
|
7080 |
}
|
|
|
7081 |
}
|
|
|
7082 |
|
|
|
7083 |
if (pData->bTimerset) /* broken ? */
|
|
|
7084 |
{
|
|
|
7085 |
#ifndef MNG_OPTIMIZE_DISPLAYCALLS
|
|
|
7086 |
pData->iPASTid = iTargetid;
|
|
|
7087 |
#else
|
|
|
7088 |
pData->iPASTid = pData->iPASTtargetid;
|
|
|
7089 |
#endif
|
|
|
7090 |
pData->iBreakpoint = 11;
|
|
|
7091 |
}
|
|
|
7092 |
|
|
|
7093 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7094 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PAST, MNG_LC_END);
|
|
|
7095 |
#endif
|
|
|
7096 |
|
|
|
7097 |
return MNG_NOERROR;
|
|
|
7098 |
}
|
|
|
7099 |
#endif /* MNG_SKIPCHUNK_PAST */
|
|
|
7100 |
|
|
|
7101 |
/* ************************************************************************** */
|
|
|
7102 |
|
|
|
7103 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
|
7104 |
mng_retcode mng_process_display_past2 (mng_datap pData)
|
|
|
7105 |
{
|
|
|
7106 |
mng_retcode iRetcode;
|
|
|
7107 |
mng_imagep pTargetimg;
|
|
|
7108 |
|
|
|
7109 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7110 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PAST, MNG_LC_START);
|
|
|
7111 |
#endif
|
|
|
7112 |
|
|
|
7113 |
if (pData->iPASTid) /* a real destination object ? */
|
|
|
7114 |
pTargetimg = (mng_imagep)mng_find_imageobject (pData, pData->iPASTid);
|
|
|
7115 |
else /* otherwise object 0 */
|
|
|
7116 |
pTargetimg = (mng_imagep)pData->pObjzero;
|
|
|
7117 |
|
|
|
7118 |
iRetcode = mng_display_image (pData, pTargetimg, MNG_FALSE);
|
|
|
7119 |
if (iRetcode)
|
|
|
7120 |
return iRetcode;
|
|
|
7121 |
|
|
|
7122 |
pData->iBreakpoint = 0; /* only once */
|
|
|
7123 |
|
|
|
7124 |
#ifdef MNG_SUPPORT_TRACE
|
|
|
7125 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PAST, MNG_LC_END);
|
|
|
7126 |
#endif
|
|
|
7127 |
|
|
|
7128 |
return MNG_NOERROR;
|
|
|
7129 |
}
|
|
|
7130 |
#endif /* MNG_SKIPCHUNK_PAST */
|
|
|
7131 |
|
|
|
7132 |
/* ************************************************************************** */
|
|
|
7133 |
|
|
|
7134 |
#endif /* MNG_INCLUDE_DISPLAY_PROCS */
|
|
|
7135 |
|
|
|
7136 |
/* ************************************************************************** */
|
|
|
7137 |
/* * end of file * */
|
|
|
7138 |
/* ************************************************************************** */
|
|
|
7139 |
|
|
|
7140 |
|