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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_hlapi.c copyright (c) 2000-2007 G.Juyn * */
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/* * version : 1.0.10 * */
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/* * * */
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/* * purpose : high-level application API (implementation) * */
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/* * * */
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/* * author : G.Juyn * */
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/* * * */
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/* * comment : implementation of the high-level function interface * */
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/* * for applications. * */
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/* * * */
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/* * changes : 0.5.1 - 05/06/2000 - G.Juyn * */
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/* * - added init of iPLTEcount * */
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/* * 0.5.1 - 05/08/2000 - G.Juyn * */
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/* * - changed calling-convention definition * */
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/* * - changed status-handling of display-routines * */
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/* * - added versioning-control routines * */
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/* * - filled the write routine * */
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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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/* * 0.5.1 - 05/12/2000 - G.Juyn * */
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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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/* * - 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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/* * 0.5.1 - 05/14/2000 - G.Juyn * */
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/* * - added cleanup of saved-data (SAVE/SEEK processing) * */
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/* * 0.5.1 - 05/16/2000 - G.Juyn * */
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/* * - moved the actual write_graphic functionality from here * */
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/* * to its appropriate function in the mng_write module * */
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/* * * */
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/* * 0.5.2 - 05/19/2000 - G.Juyn * */
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/* * - cleaned up some code regarding mixed support * */
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/* * - added JNG support * */
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/* * 0.5.2 - 05/24/2000 - G.Juyn * */
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/* * - moved init of default zlib parms here from "mng_zlib.c" * */
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/* * - added init of default IJG parms * */
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/* * 0.5.2 - 05/29/2000 - G.Juyn * */
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/* * - fixed inconsistancy with freeing global iCCP profile * */
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/* * 0.5.2 - 05/30/2000 - G.Juyn * */
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/* * - added delta-image field initialization * */
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/* * 0.5.2 - 06/06/2000 - G.Juyn * */
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/* * - added initialization of the buffer-suspend parameter * */
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/* * * */
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/* * 0.5.3 - 06/16/2000 - G.Juyn * */
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/* * - added initialization of update-region for refresh * */
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/* * - added initialization of Needrefresh parameter * */
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/* * 0.5.3 - 06/17/2000 - G.Juyn * */
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/* * - added initialization of Deltaimmediate * */
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/* * 0.5.3 - 06/21/2000 - G.Juyn * */
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/* * - added initialization of Speed * */
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/* * - added initialization of Imagelevel * */
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/* * 0.5.3 - 06/26/2000 - G.Juyn * */
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/* * - changed userdata variable to mng_ptr * */
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/* * 0.5.3 - 06/29/2000 - G.Juyn * */
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/* * - fixed initialization routine for new mng_handle type * */
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/* * * */
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/* * 0.9.1 - 07/06/2000 - G.Juyn * */
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/* * - changed mng_display_resume to allow to be called after * */
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/* * a suspension return with MNG_NEEDMOREDATA * */
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/* * - added returncode MNG_NEEDTIMERWAIT for timer breaks * */
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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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/* * - added support for improved I/O-suspension * */
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/* * 0.9.1 - 07/14/2000 - G.Juyn * */
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/* * - changed EOF processing behavior * */
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/* * 0.9.1 - 07/15/2000 - G.Juyn * */
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/* * - added callbacks for SAVE/SEEK processing * */
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/* * - added variable for NEEDSECTIONWAIT breaks * */
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/* * - added variable for freeze & reset processing * */
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/* * 0.9.1 - 07/17/2000 - G.Juyn * */
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/* * - added error cleanup processing * */
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/* * - fixed support for mng_display_reset() * */
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/* * - fixed suspension-buffering for 32K+ chunks * */
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/* * * */
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/* * 0.9.2 - 07/29/2000 - G.Juyn * */
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/* * - fixed small bugs in display processing * */
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/* * 0.9.2 - 07/31/2000 - G.Juyn * */
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/* * - fixed wrapping of suspension parameters * */
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/* * 0.9.2 - 08/04/2000 - G.Juyn * */
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/* * - B111096 - fixed large-buffer read-suspension * */
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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 - 09/07/2000 - G.Juyn * */
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/* * - added support for new filter_types * */
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/* * 0.9.3 - 09/10/2000 - G.Juyn * */
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/* * - fixed DEFI behavior * */
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/* * 0.9.3 - 10/11/2000 - G.Juyn * */
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/* * - added support for nEED * */
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/* * 0.9.3 - 10/16/2000 - G.Juyn * */
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/* * - added optional support for bKGD for PNG images * */
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/* * - raised initial maximum canvas size * */
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/* * - added support for JDAA * */
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/* * 0.9.3 - 10/17/2000 - G.Juyn * */
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/* * - added callback to process non-critical unknown chunks * */
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/* * - fixed support for delta-images during read() / display() * */
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/* * 0.9.3 - 10/18/2000 - G.Juyn * */
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/* * - added closestream() processing for mng_cleanup() * */
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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 - 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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/* * * */
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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 bug with display_reset/display_resume (Thanks G!) * */
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/* * 1.0.1 - 04/22/2001 - G.Juyn * */
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/* * - fixed memory-leak (Thanks Gregg!) * */
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/* * 1.0.1 - 04/23/2001 - G.Juyn * */
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/* * - fixed reset_rundata to drop all objects * */
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/* * 1.0.1 - 04/25/2001 - G.Juyn * */
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/* * - moved mng_clear_cms to libmng_cms * */
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/* * * */
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/* * 1.0.2 - 06/23/2001 - G.Juyn * */
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/* * - added optimization option for MNG-video playback * */
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/* * - added processterm callback * */
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/* * 1.0.2 - 06/25/2001 - G.Juyn * */
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/* * - added option to turn off progressive refresh * */
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/* * * */
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/* * 1.0.5 - 07/08/2002 - G.Juyn * */
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/* * - B578572 - removed eMNGma hack (thanks Dimitri!) * */
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/* * 1.0.5 - 07/16/2002 - G.Juyn * */
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/* * - B581625 - large chunks fail with suspension reads * */
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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 - 09/15/2002 - G.Juyn * */
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/* * - fixed LOOP iteration=0 special case * */
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/* * 1.0.5 - 10/07/2002 - G.Juyn * */
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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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/* * - added beta version function & constant * */
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/* * 1.0.5 - 10/11/2002 - G.Juyn * */
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/* * - added mng_status_dynamic to supports function * */
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/* * 1.0.5 - 11/04/2002 - G.Juyn * */
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/* * - changed FRAMECOUNT/LAYERCOUNT/PLAYTIME error to warning * */
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/* * 1.0.5 - 11/07/2002 - G.Juyn * */
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/* * - added support to get totals after mng_read() * */
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/* * 1.0.5 - 11/29/2002 - G.Juyn * */
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/* * - fixed goxxxxx() support for zero values * */
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/* * * */
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/* * 1.0.6 - 05/25/2003 - G.R-P * */
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/* * - added MNG_SKIPCHUNK_cHNK footprint optimizations * */
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/* * 1.0.6 - 07/11/2003 - G.R-P * */
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/* * - added conditionals zlib and jpeg property accessors * */
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/* * 1.0.6 - 07/14/2003 - G.R-P * */
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/* * - added conditionals around "mng_display_go*" and other * */
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/* * unused functions * */
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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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/* * * */
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/* * 1.0.7 - 03/07/2004 - G. Randers-Pehrson * */
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/* * - put gamma, cms-related declarations inside #ifdef * */
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/* * 1.0.7 - 03/10/2004 - G.R-P * */
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/* * - added conditionals around openstream/closestream * */
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/* * 1.0.7 - 03/24/2004 - G.R-P * */
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/* * - fixed zTXT -> zTXt typo * */
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/* * * */
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/* * 1.0.8 - 04/02/2004 - G.Juyn * */
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/* * - added CRC existence & checking flags * */
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/* * 1.0.8 - 04/10/2004 - G.Juyn * */
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/* * - added data-push mechanisms for specialized decoders * */
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/* * 1.0.8 - 07/06/2004 - G.R-P * */
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/* * - defend against using undefined openstream function * */
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/* * 1.0.8 - 08/02/2004 - G.Juyn * */
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/* * - added conditional to allow easier writing of large MNG's * */
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/* * * */
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/* * 1.0.9 - 08/17/2004 - G.R-P * */
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/* * - added more SKIPCHUNK conditionals * */
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/* * 1.0.9 - 09/25/2004 - G.Juyn * */
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/* * - replaced MNG_TWEAK_LARGE_FILES with permanent solution * */
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/* * 1.0.9 - 10/03/2004 - G.Juyn * */
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/* * - added function to retrieve current FRAM delay * */
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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 - 04/08/2007 - G.Juyn * */
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/* * - added support for mPNG proposal * */
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/* * 1.0.10 - 04/12/2007 - G.Juyn * */
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/* * - added support for ANG proposal * */
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/* * 1.0.10 - 07/06/2007 - G.R-P bugfix by Lucas Quintana * */
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/* * * */
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/* ************************************************************************** */
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#include "libmng.h"
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#include "libmng_data.h"
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#include "libmng_error.h"
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#include "libmng_trace.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#include "libmng_objects.h"
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#include "libmng_object_prc.h"
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#include "libmng_chunks.h"
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#include "libmng_memory.h"
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#include "libmng_read.h"
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#include "libmng_write.h"
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#include "libmng_display.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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#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
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#pragma option -A /* force ANSI-C */
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#endif
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/* ************************************************************************** */
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/* * * */
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/* * local routines * */
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/* * * */
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/* ************************************************************************** */
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#ifdef MNG_SUPPORT_DISPLAY
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MNG_LOCAL mng_retcode mng_drop_objects (mng_datap pData,
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mng_bool bDropaniobj)
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{
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mng_objectp pObject;
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mng_objectp pNext;
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mng_cleanupobject fCleanup;
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#ifdef MNG_SUPPORT_TRACE
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MNG_TRACE (pData, MNG_FN_DROP_OBJECTS, MNG_LC_START);
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#endif
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pObject = pData->pFirstimgobj; /* get first stored image-object (if any) */
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while (pObject) /* more objects to discard ? */
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{
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pNext = ((mng_object_headerp)pObject)->pNext;
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/* call appropriate cleanup */
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fCleanup = ((mng_object_headerp)pObject)->fCleanup;
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fCleanup (pData, pObject);
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pObject = pNext; /* neeeext */
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}
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pData->pFirstimgobj = MNG_NULL; /* clean this up!!! */
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pData->pLastimgobj = MNG_NULL;
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if (bDropaniobj) /* drop animation objects ? */
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{
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pObject = pData->pFirstaniobj; /* get first stored animation-object (if any) */
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while (pObject) /* more objects to discard ? */
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{
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pNext = ((mng_object_headerp)pObject)->pNext;
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/* call appropriate cleanup */
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fCleanup = ((mng_object_headerp)pObject)->fCleanup;
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fCleanup (pData, pObject);
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pObject = pNext; /* neeeext */
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}
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pData->pFirstaniobj = MNG_NULL; /* clean this up!!! */
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pData->pLastaniobj = MNG_NULL;
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#ifdef MNG_SUPPORT_DYNAMICMNG
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pObject = pData->pFirstevent; /* get first event-object (if any) */
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while (pObject) /* more objects to discard ? */
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{
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pNext = ((mng_object_headerp)pObject)->pNext;
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/* call appropriate cleanup */
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fCleanup = ((mng_object_headerp)pObject)->fCleanup;
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fCleanup (pData, pObject);
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pObject = pNext; /* neeeext */
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}
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pData->pFirstevent = MNG_NULL; /* clean this up!!! */
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pData->pLastevent = MNG_NULL;
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#endif
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}
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#ifdef MNG_INCLUDE_MPNG_PROPOSAL
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if (pData->pMPNG) /* drop MPNG data (if any) */
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{
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fCleanup = ((mng_object_headerp)pData->pMPNG)->fCleanup;
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fCleanup (pData, pData->pMPNG);
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pData->pMPNG = MNG_NULL;
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}
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#endif
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#ifdef MNG_INCLUDE_ANG_PROPOSAL
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if (pData->pANG) /* drop ANG data (if any) */
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{
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fCleanup = ((mng_object_headerp)pData->pANG)->fCleanup;
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fCleanup (pData, pData->pANG);
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pData->pANG = MNG_NULL;
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}
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#endif
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#ifdef MNG_SUPPORT_TRACE
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MNG_TRACE (pData, MNG_FN_DROP_OBJECTS, MNG_LC_END);
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#endif
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return MNG_NOERROR;
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}
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#endif /* MNG_SUPPORT_DISPLAY */
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/* ************************************************************************** */
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#ifdef MNG_SUPPORT_DISPLAY
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#ifndef MNG_SKIPCHUNK_SAVE
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MNG_LOCAL mng_retcode mng_drop_savedata (mng_datap pData)
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{
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#ifdef MNG_SUPPORT_TRACE
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MNG_TRACE (pData, MNG_FN_DROP_SAVEDATA, MNG_LC_START);
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#endif
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if (pData->pSavedata) /* sanity check */
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{ /* address it more directly */
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mng_savedatap pSave = pData->pSavedata;
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if (pSave->iGlobalProfilesize) /* cleanup the profile ? */
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MNG_FREEX (pData, pSave->pGlobalProfile, pSave->iGlobalProfilesize);
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/* cleanup the save structure */
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MNG_FREE (pData, pData->pSavedata, sizeof (mng_savedata));
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336 |
}
|
|
337 |
|
|
338 |
#ifdef MNG_SUPPORT_TRACE
|
|
339 |
MNG_TRACE (pData, MNG_FN_DROP_SAVEDATA, MNG_LC_END);
|
|
340 |
#endif
|
|
341 |
|
|
342 |
return MNG_NOERROR;
|
|
343 |
}
|
|
344 |
#endif
|
|
345 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
346 |
|
|
347 |
/* ************************************************************************** */
|
|
348 |
|
|
349 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
350 |
MNG_LOCAL mng_retcode mng_reset_rundata (mng_datap pData)
|
|
351 |
{
|
|
352 |
mng_drop_invalid_objects (pData); /* drop invalidly stored objects */
|
|
353 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
354 |
mng_drop_savedata (pData); /* drop stored savedata */
|
|
355 |
#endif
|
|
356 |
mng_reset_objzero (pData); /* reset object 0 */
|
|
357 |
/* drop stored objects (if any) */
|
|
358 |
mng_drop_objects (pData, MNG_FALSE);
|
|
359 |
|
|
360 |
pData->bFramedone = MNG_FALSE;
|
|
361 |
pData->iFrameseq = 0; /* reset counters & stuff */
|
|
362 |
pData->iLayerseq = 0;
|
|
363 |
pData->iFrametime = 0;
|
|
364 |
|
|
365 |
pData->bSkipping = MNG_FALSE;
|
|
366 |
|
|
367 |
#ifdef MNG_SUPPORT_DYNAMICMNG
|
|
368 |
pData->bRunningevent = MNG_FALSE;
|
|
369 |
pData->bStopafterseek = MNG_FALSE;
|
|
370 |
pData->iEventx = 0;
|
|
371 |
pData->iEventy = 0;
|
|
372 |
pData->pLastmousemove = MNG_NULL;
|
|
373 |
#endif
|
|
374 |
|
|
375 |
pData->iRequestframe = 0;
|
|
376 |
pData->iRequestlayer = 0;
|
|
377 |
pData->iRequesttime = 0;
|
|
378 |
pData->bSearching = MNG_FALSE;
|
|
379 |
|
|
380 |
pData->iRuntime = 0;
|
|
381 |
pData->iSynctime = 0;
|
|
382 |
pData->iStarttime = 0;
|
|
383 |
pData->iEndtime = 0;
|
|
384 |
pData->bRunning = MNG_FALSE;
|
|
385 |
pData->bTimerset = MNG_FALSE;
|
|
386 |
pData->iBreakpoint = 0;
|
|
387 |
pData->bSectionwait = MNG_FALSE;
|
|
388 |
pData->bFreezing = MNG_FALSE;
|
|
389 |
pData->bResetting = MNG_FALSE;
|
|
390 |
pData->bNeedrefresh = MNG_FALSE;
|
|
391 |
pData->bOnlyfirstframe = MNG_FALSE;
|
|
392 |
pData->iFramesafterTERM = 0;
|
|
393 |
|
|
394 |
pData->iIterations = 0;
|
|
395 |
/* start of animation objects! */
|
|
396 |
pData->pCurraniobj = MNG_NULL;
|
|
397 |
|
|
398 |
pData->iUpdateleft = 0; /* reset region */
|
|
399 |
pData->iUpdateright = 0;
|
|
400 |
pData->iUpdatetop = 0;
|
|
401 |
pData->iUpdatebottom = 0;
|
|
402 |
pData->iPLTEcount = 0; /* reset PLTE data */
|
|
403 |
|
|
404 |
#ifndef MNG_SKIPCHUNK_DEFI
|
|
405 |
pData->iDEFIobjectid = 0; /* reset DEFI data */
|
|
406 |
pData->bDEFIhasdonotshow = MNG_FALSE;
|
|
407 |
pData->iDEFIdonotshow = 0;
|
|
408 |
pData->bDEFIhasconcrete = MNG_FALSE;
|
|
409 |
pData->iDEFIconcrete = 0;
|
|
410 |
pData->bDEFIhasloca = MNG_FALSE;
|
|
411 |
pData->iDEFIlocax = 0;
|
|
412 |
pData->iDEFIlocay = 0;
|
|
413 |
pData->bDEFIhasclip = MNG_FALSE;
|
|
414 |
pData->iDEFIclipl = 0;
|
|
415 |
pData->iDEFIclipr = 0;
|
|
416 |
pData->iDEFIclipt = 0;
|
|
417 |
pData->iDEFIclipb = 0;
|
|
418 |
#endif
|
|
419 |
|
|
420 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
421 |
pData->iBACKred = 0; /* reset BACK data */
|
|
422 |
pData->iBACKgreen = 0;
|
|
423 |
pData->iBACKblue = 0;
|
|
424 |
pData->iBACKmandatory = 0;
|
|
425 |
pData->iBACKimageid = 0;
|
|
426 |
pData->iBACKtile = 0;
|
|
427 |
#endif
|
|
428 |
|
|
429 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
430 |
pData->iFRAMmode = 1; /* default global FRAM variables */
|
|
431 |
pData->iFRAMdelay = 1;
|
|
432 |
pData->iFRAMtimeout = 0x7fffffffl;
|
|
433 |
pData->bFRAMclipping = MNG_FALSE;
|
|
434 |
pData->iFRAMclipl = 0;
|
|
435 |
pData->iFRAMclipr = 0;
|
|
436 |
pData->iFRAMclipt = 0;
|
|
437 |
pData->iFRAMclipb = 0;
|
|
438 |
|
|
439 |
pData->iFramemode = 1; /* again for the current frame */
|
|
440 |
pData->iFramedelay = 1;
|
|
441 |
pData->iFrametimeout = 0x7fffffffl;
|
|
442 |
pData->bFrameclipping = MNG_FALSE;
|
|
443 |
pData->iFrameclipl = 0;
|
|
444 |
pData->iFrameclipr = 0;
|
|
445 |
pData->iFrameclipt = 0;
|
|
446 |
pData->iFrameclipb = 0;
|
|
447 |
|
|
448 |
pData->iNextdelay = 1;
|
|
449 |
|
|
450 |
pData->bForcedelay = MNG_FALSE;
|
|
451 |
pData->iAccumdelay = 0;
|
|
452 |
#endif
|
|
453 |
|
|
454 |
#ifndef MNG_SKIPCHUNK_SHOW
|
|
455 |
pData->iSHOWmode = 0; /* reset SHOW data */
|
|
456 |
pData->iSHOWfromid = 0;
|
|
457 |
pData->iSHOWtoid = 0;
|
|
458 |
pData->iSHOWnextid = 0;
|
|
459 |
pData->iSHOWskip = 0;
|
|
460 |
#endif
|
|
461 |
|
|
462 |
pData->iGlobalPLTEcount = 0; /* reset global PLTE data */
|
|
463 |
|
|
464 |
pData->iGlobalTRNSrawlen = 0; /* reset global tRNS data */
|
|
465 |
|
|
466 |
pData->iGlobalGamma = 0; /* reset global gAMA data */
|
|
467 |
|
|
468 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
469 |
pData->iGlobalWhitepointx = 0; /* reset global cHRM data */
|
|
470 |
pData->iGlobalWhitepointy = 0;
|
|
471 |
pData->iGlobalPrimaryredx = 0;
|
|
472 |
pData->iGlobalPrimaryredy = 0;
|
|
473 |
pData->iGlobalPrimarygreenx = 0;
|
|
474 |
pData->iGlobalPrimarygreeny = 0;
|
|
475 |
pData->iGlobalPrimarybluex = 0;
|
|
476 |
pData->iGlobalPrimarybluey = 0;
|
|
477 |
#endif
|
|
478 |
|
|
479 |
#ifndef MNG_SKIPCHUNK_sRGB
|
|
480 |
pData->iGlobalRendintent = 0; /* reset global sRGB data */
|
|
481 |
#endif
|
|
482 |
|
|
483 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
484 |
if (pData->iGlobalProfilesize) /* drop global profile (if any) */
|
|
485 |
MNG_FREE (pData, pData->pGlobalProfile, pData->iGlobalProfilesize);
|
|
486 |
|
|
487 |
pData->iGlobalProfilesize = 0;
|
|
488 |
#endif
|
|
489 |
|
|
490 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
491 |
pData->iGlobalBKGDred = 0; /* reset global bKGD data */
|
|
492 |
pData->iGlobalBKGDgreen = 0;
|
|
493 |
pData->iGlobalBKGDblue = 0;
|
|
494 |
#endif
|
|
495 |
#ifndef MNG_NO_DELTA_PNG
|
|
496 |
/* reset delta-image */
|
|
497 |
pData->pDeltaImage = MNG_NULL;
|
|
498 |
pData->iDeltaImagetype = 0;
|
|
499 |
pData->iDeltatype = 0;
|
|
500 |
pData->iDeltaBlockwidth = 0;
|
|
501 |
pData->iDeltaBlockheight = 0;
|
|
502 |
pData->iDeltaBlockx = 0;
|
|
503 |
pData->iDeltaBlocky = 0;
|
|
504 |
pData->bDeltaimmediate = MNG_FALSE;
|
|
505 |
|
|
506 |
pData->fDeltagetrow = MNG_NULL;
|
|
507 |
pData->fDeltaaddrow = MNG_NULL;
|
|
508 |
pData->fDeltareplacerow = MNG_NULL;
|
|
509 |
pData->fDeltaputrow = MNG_NULL;
|
|
510 |
|
|
511 |
pData->fPromoterow = MNG_NULL;
|
|
512 |
pData->fPromBitdepth = MNG_NULL;
|
|
513 |
pData->pPromBuf = MNG_NULL;
|
|
514 |
pData->iPromColortype = 0;
|
|
515 |
pData->iPromBitdepth = 0;
|
|
516 |
pData->iPromFilltype = 0;
|
|
517 |
pData->iPromWidth = 0;
|
|
518 |
pData->pPromSrc = MNG_NULL;
|
|
519 |
pData->pPromDst = MNG_NULL;
|
|
520 |
#endif
|
|
521 |
|
|
522 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
523 |
pData->iMAGNfromid = 0;
|
|
524 |
pData->iMAGNtoid = 0;
|
|
525 |
#endif
|
|
526 |
|
|
527 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
528 |
pData->iPastx = 0;
|
|
529 |
pData->iPasty = 0;
|
|
530 |
#endif
|
|
531 |
|
|
532 |
pData->pLastseek = MNG_NULL;
|
|
533 |
|
|
534 |
return MNG_NOERROR;
|
|
535 |
}
|
|
536 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
537 |
|
|
538 |
/* ************************************************************************** */
|
|
539 |
|
|
540 |
MNG_LOCAL void cleanup_errors (mng_datap pData)
|
|
541 |
{
|
|
542 |
pData->iErrorcode = MNG_NOERROR;
|
|
543 |
pData->iSeverity = 0;
|
|
544 |
pData->iErrorx1 = 0;
|
|
545 |
pData->iErrorx2 = 0;
|
|
546 |
pData->zErrortext = MNG_NULL;
|
|
547 |
|
|
548 |
return;
|
|
549 |
}
|
|
550 |
|
|
551 |
/* ************************************************************************** */
|
|
552 |
|
|
553 |
#ifdef MNG_SUPPORT_READ
|
|
554 |
MNG_LOCAL mng_retcode make_pushbuffer (mng_datap pData,
|
|
555 |
mng_ptr pPushdata,
|
|
556 |
mng_size_t iLength,
|
|
557 |
mng_bool bTakeownership,
|
|
558 |
mng_pushdatap * pPush)
|
|
559 |
{
|
|
560 |
mng_pushdatap pTemp;
|
|
561 |
|
|
562 |
MNG_ALLOC (pData, pTemp, sizeof(mng_pushdata));
|
|
563 |
|
|
564 |
pTemp->pNext = MNG_NULL;
|
|
565 |
|
|
566 |
if (bTakeownership) /* are we going to own the buffer? */
|
|
567 |
{ /* then just copy the pointer */
|
|
568 |
pTemp->pData = (mng_uint8p)pPushdata;
|
|
569 |
}
|
|
570 |
else
|
|
571 |
{ /* otherwise create new buffer */
|
|
572 |
MNG_ALLOCX (pData, pTemp->pData, iLength);
|
|
573 |
if (!pTemp->pData) /* succeeded? */
|
|
574 |
{
|
|
575 |
MNG_FREEX (pData, pTemp, sizeof(mng_pushdata));
|
|
576 |
MNG_ERROR (pData, MNG_OUTOFMEMORY);
|
|
577 |
}
|
|
578 |
/* and copy the bytes across */
|
|
579 |
MNG_COPY (pTemp->pData, pPushdata, iLength);
|
|
580 |
}
|
|
581 |
|
|
582 |
pTemp->iLength = iLength;
|
|
583 |
pTemp->bOwned = bTakeownership;
|
|
584 |
pTemp->pDatanext = pTemp->pData;
|
|
585 |
pTemp->iRemaining = iLength;
|
|
586 |
|
|
587 |
*pPush = pTemp; /* return it */
|
|
588 |
|
|
589 |
return MNG_NOERROR; /* and all's well */
|
|
590 |
}
|
|
591 |
#endif
|
|
592 |
|
|
593 |
#ifdef MNG_VERSION_QUERY_SUPPORT
|
|
594 |
/* ************************************************************************** */
|
|
595 |
/* * * */
|
|
596 |
/* * Versioning control * */
|
|
597 |
/* * * */
|
|
598 |
/* ************************************************************************** */
|
|
599 |
|
|
600 |
mng_pchar MNG_DECL mng_version_text (void)
|
|
601 |
{
|
|
602 |
return MNG_VERSION_TEXT;
|
|
603 |
}
|
|
604 |
|
|
605 |
/* ************************************************************************** */
|
|
606 |
|
|
607 |
mng_uint8 MNG_DECL mng_version_so (void)
|
|
608 |
{
|
|
609 |
return MNG_VERSION_SO;
|
|
610 |
}
|
|
611 |
|
|
612 |
/* ************************************************************************** */
|
|
613 |
|
|
614 |
mng_uint8 MNG_DECL mng_version_dll (void)
|
|
615 |
{
|
|
616 |
return MNG_VERSION_DLL;
|
|
617 |
}
|
|
618 |
|
|
619 |
/* ************************************************************************** */
|
|
620 |
|
|
621 |
mng_uint8 MNG_DECL mng_version_major (void)
|
|
622 |
{
|
|
623 |
return MNG_VERSION_MAJOR;
|
|
624 |
}
|
|
625 |
|
|
626 |
/* ************************************************************************** */
|
|
627 |
|
|
628 |
mng_uint8 MNG_DECL mng_version_minor (void)
|
|
629 |
{
|
|
630 |
return MNG_VERSION_MINOR;
|
|
631 |
}
|
|
632 |
|
|
633 |
/* ************************************************************************** */
|
|
634 |
|
|
635 |
mng_uint8 MNG_DECL mng_version_release (void)
|
|
636 |
{
|
|
637 |
return MNG_VERSION_RELEASE;
|
|
638 |
}
|
|
639 |
|
|
640 |
/* ************************************************************************** */
|
|
641 |
|
|
642 |
mng_bool MNG_DECL mng_version_beta (void)
|
|
643 |
{
|
|
644 |
return MNG_VERSION_BETA;
|
|
645 |
}
|
|
646 |
#endif
|
|
647 |
|
|
648 |
/* ************************************************************************** */
|
|
649 |
/* * * */
|
|
650 |
/* * 'supports' function * */
|
|
651 |
/* * * */
|
|
652 |
/* ************************************************************************** */
|
|
653 |
|
|
654 |
#ifdef MNG_SUPPORT_FUNCQUERY
|
|
655 |
typedef struct {
|
|
656 |
mng_pchar zFunction;
|
|
657 |
mng_uint8 iMajor; /* Major == 0 means not implemented ! */
|
|
658 |
mng_uint8 iMinor;
|
|
659 |
mng_uint8 iRelease;
|
|
660 |
} mng_func_entry;
|
|
661 |
typedef mng_func_entry const * mng_func_entryp;
|
|
662 |
|
|
663 |
MNG_LOCAL mng_func_entry const func_table [] =
|
|
664 |
{ /* keep it alphabetically sorted !!!!! */
|
|
665 |
{"mng_cleanup", 1, 0, 0},
|
|
666 |
{"mng_copy_chunk", 1, 0, 5},
|
|
667 |
{"mng_create", 1, 0, 0},
|
|
668 |
{"mng_display", 1, 0, 0},
|
|
669 |
{"mng_display_freeze", 1, 0, 0},
|
|
670 |
#ifndef MNG_NO_DISPLAY_GO_SUPPORTED
|
|
671 |
{"mng_display_goframe", 1, 0, 0},
|
|
672 |
{"mng_display_golayer", 1, 0, 0},
|
|
673 |
{"mng_display_gotime", 1, 0, 0},
|
|
674 |
#endif
|
|
675 |
{"mng_display_reset", 1, 0, 0},
|
|
676 |
{"mng_display_resume", 1, 0, 0},
|
|
677 |
{"mng_get_alphabitdepth", 1, 0, 0},
|
|
678 |
{"mng_get_alphacompression", 1, 0, 0},
|
|
679 |
{"mng_get_alphadepth", 1, 0, 0},
|
|
680 |
{"mng_get_alphafilter", 1, 0, 0},
|
|
681 |
{"mng_get_alphainterlace", 1, 0, 0},
|
|
682 |
{"mng_get_bgcolor", 1, 0, 0},
|
|
683 |
{"mng_get_bitdepth", 1, 0, 0},
|
|
684 |
{"mng_get_bkgdstyle", 1, 0, 0},
|
|
685 |
{"mng_get_cacheplayback", 1, 0, 2},
|
|
686 |
{"mng_get_canvasstyle", 1, 0, 0},
|
|
687 |
{"mng_get_colortype", 1, 0, 0},
|
|
688 |
{"mng_get_compression", 1, 0, 0},
|
|
689 |
#ifndef MNG_NO_CURRENT_INFO
|
|
690 |
{"mng_get_currentframe", 1, 0, 0},
|
|
691 |
{"mng_get_currentlayer", 1, 0, 0},
|
|
692 |
{"mng_get_currentplaytime", 1, 0, 0},
|
|
693 |
#endif
|
|
694 |
{"mng_get_currframdelay", 1, 0, 9},
|
|
695 |
#ifndef MNG_NO_DFLT_INFO
|
|
696 |
{"mng_get_dfltimggamma", 1, 0, 0},
|
|
697 |
{"mng_get_dfltimggammaint", 1, 0, 0},
|
|
698 |
#endif
|
|
699 |
{"mng_get_displaygamma", 1, 0, 0},
|
|
700 |
{"mng_get_displaygammaint", 1, 0, 0},
|
|
701 |
{"mng_get_doprogressive", 1, 0, 2},
|
|
702 |
{"mng_get_filter", 1, 0, 0},
|
|
703 |
{"mng_get_framecount", 1, 0, 0},
|
|
704 |
{"mng_get_imageheight", 1, 0, 0},
|
|
705 |
{"mng_get_imagelevel", 1, 0, 0},
|
|
706 |
{"mng_get_imagetype", 1, 0, 0},
|
|
707 |
{"mng_get_imagewidth", 1, 0, 0},
|
|
708 |
{"mng_get_interlace", 1, 0, 0},
|
|
709 |
#ifdef MNG_ACCESS_JPEG
|
|
710 |
{"mng_get_jpeg_dctmethod", 1, 0, 0},
|
|
711 |
{"mng_get_jpeg_maxjdat", 1, 0, 0},
|
|
712 |
{"mng_get_jpeg_optimized", 1, 0, 0},
|
|
713 |
{"mng_get_jpeg_progressive", 1, 0, 0},
|
|
714 |
{"mng_get_jpeg_quality", 1, 0, 0},
|
|
715 |
{"mng_get_jpeg_smoothing", 1, 0, 0},
|
|
716 |
#endif
|
|
717 |
{"mng_get_lastbackchunk", 1, 0, 3},
|
|
718 |
{"mng_get_lastseekname", 1, 0, 5},
|
|
719 |
{"mng_get_layercount", 1, 0, 0},
|
|
720 |
#ifndef MNG_SKIP_MAXCANVAS
|
|
721 |
{"mng_get_maxcanvasheight", 1, 0, 0},
|
|
722 |
{"mng_get_maxcanvaswidth", 1, 0, 0},
|
|
723 |
#endif
|
|
724 |
{"mng_get_playtime", 1, 0, 0},
|
|
725 |
{"mng_get_refreshpass", 1, 0, 0},
|
|
726 |
{"mng_get_runtime", 1, 0, 0},
|
|
727 |
{"mng_get_sectionbreaks", 1, 0, 0},
|
|
728 |
{"mng_get_sigtype", 1, 0, 0},
|
|
729 |
{"mng_get_simplicity", 1, 0, 0},
|
|
730 |
{"mng_get_speed", 1, 0, 0},
|
|
731 |
{"mng_get_srgb", 1, 0, 0},
|
|
732 |
{"mng_get_starttime", 1, 0, 0},
|
|
733 |
{"mng_get_storechunks", 1, 0, 0},
|
|
734 |
{"mng_get_suspensionmode", 1, 0, 0},
|
|
735 |
{"mng_get_ticks", 1, 0, 0},
|
|
736 |
#ifndef MNG_NO_CURRENT_INFO
|
|
737 |
{"mng_get_totalframes", 1, 0, 5},
|
|
738 |
{"mng_get_totallayers", 1, 0, 5},
|
|
739 |
{"mng_get_totalplaytime", 1, 0, 5},
|
|
740 |
#endif
|
|
741 |
{"mng_get_usebkgd", 1, 0, 0},
|
|
742 |
{"mng_get_userdata", 1, 0, 0},
|
|
743 |
#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
|
|
744 |
{"mng_get_viewgamma", 1, 0, 0},
|
|
745 |
{"mng_get_viewgammaint", 1, 0, 0},
|
|
746 |
#endif
|
|
747 |
#ifdef MNG_ACCESS_ZLIB
|
|
748 |
{"mng_get_zlib_level", 1, 0, 0},
|
|
749 |
{"mng_get_zlib_maxidat", 1, 0, 0},
|
|
750 |
{"mng_get_zlib_memlevel", 1, 0, 0},
|
|
751 |
{"mng_get_zlib_method", 1, 0, 0},
|
|
752 |
{"mng_get_zlib_strategy", 1, 0, 0},
|
|
753 |
{"mng_get_zlib_windowbits", 1, 0, 0},
|
|
754 |
#endif
|
|
755 |
#ifndef MNG_NO_OPEN_CLOSE_STREAM
|
|
756 |
{"mng_getcb_closestream", 1, 0, 0},
|
|
757 |
#endif
|
|
758 |
{"mng_getcb_errorproc", 1, 0, 0},
|
|
759 |
{"mng_getcb_getalphaline", 1, 0, 0},
|
|
760 |
{"mng_getcb_getbkgdline", 1, 0, 0},
|
|
761 |
{"mng_getcb_getcanvasline", 1, 0, 0},
|
|
762 |
{"mng_getcb_gettickcount", 1, 0, 0},
|
|
763 |
{"mng_getcb_memalloc", 1, 0, 0},
|
|
764 |
{"mng_getcb_memfree", 1, 0, 0},
|
|
765 |
#ifndef MNG_NO_OPEN_CLOSE_STREAM
|
|
766 |
{"mng_getcb_openstream", 1, 0, 0},
|
|
767 |
#endif
|
|
768 |
{"mng_getcb_processarow", 1, 0, 0},
|
|
769 |
{"mng_getcb_processchroma", 1, 0, 0},
|
|
770 |
{"mng_getcb_processgamma", 1, 0, 0},
|
|
771 |
{"mng_getcb_processheader", 1, 0, 0},
|
|
772 |
{"mng_getcb_processiccp", 1, 0, 0},
|
|
773 |
{"mng_getcb_processmend", 1, 0, 1},
|
|
774 |
{"mng_getcb_processneed", 1, 0, 0},
|
|
775 |
{"mng_getcb_processsave", 1, 0, 0},
|
|
776 |
{"mng_getcb_processseek", 1, 0, 0},
|
|
777 |
{"mng_getcb_processsrgb", 1, 0, 0},
|
|
778 |
{"mng_getcb_processterm", 1, 0, 2},
|
|
779 |
{"mng_getcb_processtext", 1, 0, 0},
|
|
780 |
{"mng_getcb_processunknown", 1, 0, 0},
|
|
781 |
{"mng_getcb_readdata", 1, 0, 0},
|
|
782 |
{"mng_getcb_refresh", 1, 0, 0},
|
|
783 |
{"mng_getcb_releasedata", 1, 0, 8},
|
|
784 |
{"mng_getcb_settimer", 1, 0, 0},
|
|
785 |
{"mng_getcb_traceproc", 1, 0, 0},
|
|
786 |
{"mng_getcb_writedata", 1, 0, 0},
|
|
787 |
{"mng_getchunk_back", 1, 0, 0},
|
|
788 |
{"mng_getchunk_basi", 1, 0, 0},
|
|
789 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
790 |
{"mng_getchunk_bkgd", 1, 0, 0},
|
|
791 |
#endif
|
|
792 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
793 |
{"mng_getchunk_chrm", 1, 0, 0},
|
|
794 |
#endif
|
|
795 |
{"mng_getchunk_clip", 1, 0, 0},
|
|
796 |
{"mng_getchunk_clon", 1, 0, 0},
|
|
797 |
#ifndef MNG_NO_DELTA_PNG
|
|
798 |
#ifndef MNG_SKIPCHUNK_dBYK
|
|
799 |
{"mng_getchunk_dbyk", 1, 0, 0},
|
|
800 |
#endif
|
|
801 |
#endif
|
|
802 |
{"mng_getchunk_defi", 1, 0, 0},
|
|
803 |
#ifndef MNG_NO_DELTA_PNG
|
|
804 |
{"mng_getchunk_dhdr", 1, 0, 0},
|
|
805 |
#endif
|
|
806 |
{"mng_getchunk_disc", 1, 0, 0},
|
|
807 |
#ifndef MNG_NO_DELTA_PNG
|
|
808 |
{"mng_getchunk_drop", 1, 0, 0},
|
|
809 |
#endif
|
|
810 |
{"mng_getchunk_endl", 1, 0, 0},
|
|
811 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
812 |
{"mng_getchunk_mpng", 1, 0, 10},
|
|
813 |
{"mng_getchunk_mpng_frame", 1, 0, 10},
|
|
814 |
#endif
|
|
815 |
#ifndef MNG_SKIPCHUNK_evNT
|
|
816 |
{"mng_getchunk_evnt", 1, 0, 5},
|
|
817 |
{"mng_getchunk_evnt_entry", 1, 0, 5},
|
|
818 |
#endif
|
|
819 |
#ifndef MNG_SKIPCHUNK_eXPI
|
|
820 |
{"mng_getchunk_expi", 1, 0, 0},
|
|
821 |
#endif
|
|
822 |
#ifndef MNG_SKIPCHUNK_fPRI
|
|
823 |
{"mng_getchunk_fpri", 1, 0, 0},
|
|
824 |
#endif
|
|
825 |
{"mng_getchunk_fram", 1, 0, 0},
|
|
826 |
{"mng_getchunk_gama", 1, 0, 0},
|
|
827 |
#ifndef MNG_SKIPCHUNK_hIST
|
|
828 |
{"mng_getchunk_hist", 1, 0, 0},
|
|
829 |
#endif
|
|
830 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
831 |
{"mng_getchunk_iccp", 1, 0, 0},
|
|
832 |
#endif
|
|
833 |
{"mng_getchunk_idat", 1, 0, 0},
|
|
834 |
{"mng_getchunk_iend", 1, 0, 0},
|
|
835 |
{"mng_getchunk_ihdr", 1, 0, 0},
|
|
836 |
#ifndef MNG_NO_DELTA_PNG
|
|
837 |
#ifdef MNG_INCLUDE_JNG
|
|
838 |
{"mng_getchunk_ijng", 1, 0, 0},
|
|
839 |
#endif
|
|
840 |
{"mng_getchunk_ipng", 1, 0, 0},
|
|
841 |
#endif
|
|
842 |
#ifndef MNG_SKIPCHUNK_iTXt
|
|
843 |
{"mng_getchunk_itxt", 1, 0, 0},
|
|
844 |
#endif
|
|
845 |
#ifdef MNG_INCLUDE_JNG
|
|
846 |
{"mng_getchunk_jdaa", 1, 0, 0},
|
|
847 |
{"mng_getchunk_jdat", 1, 0, 0},
|
|
848 |
{"mng_getchunk_jhdr", 1, 0, 0},
|
|
849 |
{"mng_getchunk_jsep", 1, 0, 0},
|
|
850 |
#endif
|
|
851 |
{"mng_getchunk_loop", 1, 0, 0},
|
|
852 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
853 |
{"mng_getchunk_magn", 1, 0, 0},
|
|
854 |
#endif
|
|
855 |
{"mng_getchunk_mend", 1, 0, 0},
|
|
856 |
{"mng_getchunk_mhdr", 1, 0, 0},
|
|
857 |
{"mng_getchunk_move", 1, 0, 0},
|
|
858 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
859 |
{"mng_getchunk_need", 1, 0, 0},
|
|
860 |
#endif
|
|
861 |
#ifndef MNG_SKIPCHUNK_ORDR
|
|
862 |
#ifndef MNG_NO_DELTA_PNG
|
|
863 |
{"mng_getchunk_ordr", 1, 0, 0},
|
|
864 |
{"mng_getchunk_ordr_entry", 1, 0, 0},
|
|
865 |
#endif
|
|
866 |
#endif
|
|
867 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
868 |
{"mng_getchunk_past", 1, 0, 0},
|
|
869 |
{"mng_getchunk_past_src", 1, 0, 0},
|
|
870 |
#endif
|
|
871 |
#ifndef MNG_SKIPCHUNK_pHYg
|
|
872 |
{"mng_getchunk_phyg", 1, 0, 0},
|
|
873 |
#endif
|
|
874 |
#ifndef MNG_SKIPCHUNK_pHYs
|
|
875 |
{"mng_getchunk_phys", 1, 0, 0},
|
|
876 |
#endif
|
|
877 |
#ifndef MNG_NO_DELTA_PNG
|
|
878 |
{"mng_getchunk_plte", 1, 0, 0},
|
|
879 |
{"mng_getchunk_pplt", 1, 0, 0},
|
|
880 |
{"mng_getchunk_pplt_entry", 1, 0, 0},
|
|
881 |
{"mng_getchunk_prom", 1, 0, 0},
|
|
882 |
#endif
|
|
883 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
884 |
{"mng_getchunk_save", 1, 0, 0},
|
|
885 |
{"mng_getchunk_save_entry", 1, 0, 0},
|
|
886 |
#endif
|
|
887 |
#ifndef MNG_SKIPCHUNK_sBIT
|
|
888 |
{"mng_getchunk_sbit", 1, 0, 0},
|
|
889 |
#endif
|
|
890 |
#ifndef MNG_SKIPCHUNK_SEEK
|
|
891 |
{"mng_getchunk_seek", 1, 0, 0},
|
|
892 |
#endif
|
|
893 |
{"mng_getchunk_show", 1, 0, 0},
|
|
894 |
#ifndef MNG_SKIPCHUNK_sPLT
|
|
895 |
{"mng_getchunk_splt", 1, 0, 0},
|
|
896 |
#endif
|
|
897 |
#ifndef MNG_SKIPCHUNK_sRGB
|
|
898 |
{"mng_getchunk_srgb", 1, 0, 0},
|
|
899 |
#endif
|
|
900 |
{"mng_getchunk_term", 1, 0, 0},
|
|
901 |
#ifndef MNG_SKIPCHUNK_tEXt
|
|
902 |
{"mng_getchunk_text", 1, 0, 0},
|
|
903 |
#endif
|
|
904 |
#ifndef MNG_SKIPCHUNK_tIME
|
|
905 |
{"mng_getchunk_time", 1, 0, 0},
|
|
906 |
#endif
|
|
907 |
{"mng_getchunk_trns", 1, 0, 0},
|
|
908 |
{"mng_getchunk_unkown", 1, 0, 0},
|
|
909 |
#ifndef MNG_SKIPCHUNK_zTXt
|
|
910 |
{"mng_getchunk_ztxt", 1, 0, 0},
|
|
911 |
#endif
|
|
912 |
{"mng_getimgdata_chunk", 0, 0, 0},
|
|
913 |
{"mng_getimgdata_chunkseq", 0, 0, 0},
|
|
914 |
{"mng_getimgdata_seq", 0, 0, 0},
|
|
915 |
{"mng_getlasterror", 1, 0, 0},
|
|
916 |
{"mng_initialize", 1, 0, 0},
|
|
917 |
{"mng_iterate_chunks", 1, 0, 0},
|
|
918 |
{"mng_putchunk_back", 1, 0, 0},
|
|
919 |
#ifndef MNG_SKIPCHUNK_BASI
|
|
920 |
{"mng_putchunk_basi", 1, 0, 0},
|
|
921 |
#endif
|
|
922 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
923 |
{"mng_putchunk_bkgd", 1, 0, 0},
|
|
924 |
#endif
|
|
925 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
926 |
{"mng_putchunk_chrm", 1, 0, 0},
|
|
927 |
#endif
|
|
928 |
{"mng_putchunk_clip", 1, 0, 0},
|
|
929 |
{"mng_putchunk_clon", 1, 0, 0},
|
|
930 |
#ifndef MNG_NO_DELTA_PNG
|
|
931 |
#ifndef MNG_SKIPCHUNK_DBYK
|
|
932 |
{"mng_putchunk_dbyk", 1, 0, 0},
|
|
933 |
#endif
|
|
934 |
#endif
|
|
935 |
{"mng_putchunk_defi", 1, 0, 0},
|
|
936 |
#ifndef MNG_NO_DELTA_PNG
|
|
937 |
{"mng_putchunk_dhdr", 1, 0, 0},
|
|
938 |
#endif
|
|
939 |
{"mng_putchunk_disc", 1, 0, 0},
|
|
940 |
#ifndef MNG_NO_DELTA_PNG
|
|
941 |
{"mng_putchunk_drop", 1, 0, 0},
|
|
942 |
#endif
|
|
943 |
{"mng_putchunk_endl", 1, 0, 0},
|
|
944 |
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
|
|
945 |
{"mng_putchunk_mpng", 1, 0, 10},
|
|
946 |
{"mng_putchunk_mpng_frame", 1, 0, 10},
|
|
947 |
#endif
|
|
948 |
#ifndef MNG_SKIPCHUNK_evNT
|
|
949 |
{"mng_putchunk_evnt", 1, 0, 5},
|
|
950 |
{"mng_putchunk_evnt_entry", 1, 0, 5},
|
|
951 |
#endif
|
|
952 |
#ifndef MNG_SKIPCHUNK_eXPI
|
|
953 |
{"mng_putchunk_expi", 1, 0, 0},
|
|
954 |
#endif
|
|
955 |
#ifndef MNG_SKIPCHUNK_fPRI
|
|
956 |
{"mng_putchunk_fpri", 1, 0, 0},
|
|
957 |
#endif
|
|
958 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
959 |
{"mng_putchunk_fram", 1, 0, 0},
|
|
960 |
#endif
|
|
961 |
{"mng_putchunk_gama", 1, 0, 0},
|
|
962 |
#ifndef MNG_SKIPCHUNK_hIST
|
|
963 |
{"mng_putchunk_hist", 1, 0, 0},
|
|
964 |
#endif
|
|
965 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
966 |
{"mng_putchunk_iccp", 1, 0, 0},
|
|
967 |
#endif
|
|
968 |
{"mng_putchunk_idat", 1, 0, 0},
|
|
969 |
{"mng_putchunk_iend", 1, 0, 0},
|
|
970 |
{"mng_putchunk_ihdr", 1, 0, 0},
|
|
971 |
#ifndef MNG_NO_DELTA_PNG
|
|
972 |
#ifdef MNG_INCLUDE_JNG
|
|
973 |
{"mng_putchunk_ijng", 1, 0, 0},
|
|
974 |
#endif
|
|
975 |
{"mng_putchunk_ipng", 1, 0, 0},
|
|
976 |
#endif
|
|
977 |
#ifndef MNG_SKIPCHUNK_iTXt
|
|
978 |
{"mng_putchunk_itxt", 1, 0, 0},
|
|
979 |
#endif
|
|
980 |
#ifdef MNG_INCLUDE_JNG
|
|
981 |
{"mng_putchunk_jdaa", 1, 0, 0},
|
|
982 |
{"mng_putchunk_jdat", 1, 0, 0},
|
|
983 |
{"mng_putchunk_jhdr", 1, 0, 0},
|
|
984 |
{"mng_putchunk_jsep", 1, 0, 0},
|
|
985 |
#endif
|
|
986 |
{"mng_putchunk_loop", 1, 0, 0},
|
|
987 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
988 |
{"mng_putchunk_magn", 1, 0, 0},
|
|
989 |
#endif
|
|
990 |
{"mng_putchunk_mend", 1, 0, 0},
|
|
991 |
{"mng_putchunk_mhdr", 1, 0, 0},
|
|
992 |
{"mng_putchunk_move", 1, 0, 0},
|
|
993 |
#ifndef MNG_SKIPCHUNK_nEED
|
|
994 |
{"mng_putchunk_need", 1, 0, 0},
|
|
995 |
#endif
|
|
996 |
#ifndef MNG_NO_DELTA_PNG
|
|
997 |
#ifndef MNG_SKIPCHUNK_ORDR
|
|
998 |
{"mng_putchunk_ordr", 1, 0, 0},
|
|
999 |
{"mng_putchunk_ordr_entry", 1, 0, 0},
|
|
1000 |
#endif
|
|
1001 |
#endif
|
|
1002 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
1003 |
{"mng_putchunk_past", 1, 0, 0},
|
|
1004 |
{"mng_putchunk_past_src", 1, 0, 0},
|
|
1005 |
#endif
|
|
1006 |
#ifndef MNG_SKIPCHUNK_pHYg
|
|
1007 |
{"mng_putchunk_phyg", 1, 0, 0},
|
|
1008 |
#endif
|
|
1009 |
#ifndef MNG_SKIPCHUNK_pHYs
|
|
1010 |
{"mng_putchunk_phys", 1, 0, 0},
|
|
1011 |
#endif
|
|
1012 |
#ifndef MNG_NO_DELTA_PNG
|
|
1013 |
{"mng_putchunk_plte", 1, 0, 0},
|
|
1014 |
{"mng_putchunk_pplt", 1, 0, 0},
|
|
1015 |
{"mng_putchunk_pplt_entry", 1, 0, 0},
|
|
1016 |
{"mng_putchunk_prom", 1, 0, 0},
|
|
1017 |
#endif
|
|
1018 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
1019 |
{"mng_putchunk_save", 1, 0, 0},
|
|
1020 |
{"mng_putchunk_save_entry", 1, 0, 0},
|
|
1021 |
#endif
|
|
1022 |
#ifndef MNG_SKIPCHUNK_sBIT
|
|
1023 |
{"mng_putchunk_sbit", 1, 0, 0},
|
|
1024 |
#endif
|
|
1025 |
#ifndef MNG_SKIPCHUNK_SEEK
|
|
1026 |
{"mng_putchunk_seek", 1, 0, 0},
|
|
1027 |
#endif
|
|
1028 |
{"mng_putchunk_show", 1, 0, 0},
|
|
1029 |
#ifndef MNG_SKIPCHUNK_sPLT
|
|
1030 |
{"mng_putchunk_splt", 1, 0, 0},
|
|
1031 |
#endif
|
|
1032 |
#ifndef MNG_SKIPCHUNK_sRGB
|
|
1033 |
{"mng_putchunk_srgb", 1, 0, 0},
|
|
1034 |
#endif
|
|
1035 |
{"mng_putchunk_term", 1, 0, 0},
|
|
1036 |
#ifndef MNG_SKIPCHUNK_tEXt
|
|
1037 |
{"mng_putchunk_text", 1, 0, 0},
|
|
1038 |
#endif
|
|
1039 |
#ifndef MNG_SKIPCHUNK_tIME
|
|
1040 |
{"mng_putchunk_time", 1, 0, 0},
|
|
1041 |
#endif
|
|
1042 |
{"mng_putchunk_trns", 1, 0, 0},
|
|
1043 |
{"mng_putchunk_unkown", 1, 0, 0},
|
|
1044 |
#ifndef MNG_SKIPCHUNK_zTXt
|
|
1045 |
{"mng_putchunk_ztxt", 1, 0, 0},
|
|
1046 |
#endif
|
|
1047 |
{"mng_putimgdata_ihdr", 0, 0, 0},
|
|
1048 |
{"mng_putimgdata_jhdr", 0, 0, 0},
|
|
1049 |
{"mng_reset", 1, 0, 0},
|
|
1050 |
{"mng_read", 1, 0, 0},
|
|
1051 |
{"mng_read_pushchunk", 1, 0, 8},
|
|
1052 |
{"mng_read_pushdata", 1, 0, 8},
|
|
1053 |
{"mng_read_pushsig", 1, 0, 8},
|
|
1054 |
{"mng_read_resume", 1, 0, 0},
|
|
1055 |
{"mng_readdisplay", 1, 0, 0},
|
|
1056 |
{"mng_set_bgcolor", 1, 0, 0},
|
|
1057 |
{"mng_set_bkgdstyle", 1, 0, 0},
|
|
1058 |
{"mng_set_cacheplayback", 1, 0, 2},
|
|
1059 |
{"mng_set_canvasstyle", 1, 0, 0},
|
|
1060 |
{"mng_set_dfltimggamma", 1, 0, 0},
|
|
1061 |
#ifndef MNG_NO_DFLT_INFO
|
|
1062 |
{"mng_set_dfltimggammaint", 1, 0, 0},
|
|
1063 |
#endif
|
|
1064 |
{"mng_set_displaygamma", 1, 0, 0},
|
|
1065 |
{"mng_set_displaygammaint", 1, 0, 0},
|
|
1066 |
{"mng_set_doprogressive", 1, 0, 2},
|
|
1067 |
#ifdef MNG_ACCESS_JPEG
|
|
1068 |
{"mng_set_jpeg_dctmethod", 1, 0, 0},
|
|
1069 |
{"mng_set_jpeg_maxjdat", 1, 0, 0},
|
|
1070 |
{"mng_set_jpeg_optimized", 1, 0, 0},
|
|
1071 |
{"mng_set_jpeg_progressive", 1, 0, 0},
|
|
1072 |
{"mng_set_jpeg_quality", 1, 0, 0},
|
|
1073 |
{"mng_set_jpeg_smoothing", 1, 0, 0},
|
|
1074 |
#endif
|
|
1075 |
#ifndef MNG_SKIP_MAXCANVAS
|
|
1076 |
{"mng_set_maxcanvasheight", 1, 0, 0},
|
|
1077 |
{"mng_set_maxcanvassize", 1, 0, 0},
|
|
1078 |
{"mng_set_maxcanvaswidth", 1, 0, 0},
|
|
1079 |
#endif
|
|
1080 |
{"mng_set_outputprofile", 1, 0, 0},
|
|
1081 |
{"mng_set_outputprofile2", 1, 0, 0},
|
|
1082 |
{"mng_set_outputsrgb", 1, 0, 1},
|
|
1083 |
{"mng_set_sectionbreaks", 1, 0, 0},
|
|
1084 |
{"mng_set_speed", 1, 0, 0},
|
|
1085 |
{"mng_set_srgb", 1, 0, 0},
|
|
1086 |
{"mng_set_srgbimplicit", 1, 0, 1},
|
|
1087 |
{"mng_set_srgbprofile", 1, 0, 0},
|
|
1088 |
{"mng_set_srgbprofile2", 1, 0, 0},
|
|
1089 |
{"mng_set_storechunks", 1, 0, 0},
|
|
1090 |
{"mng_set_suspensionmode", 1, 0, 0},
|
|
1091 |
{"mng_set_usebkgd", 1, 0, 0},
|
|
1092 |
{"mng_set_userdata", 1, 0, 0},
|
|
1093 |
#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS)
|
|
1094 |
{"mng_set_viewgamma", 1, 0, 0},
|
|
1095 |
{"mng_set_viewgammaint", 1, 0, 0},
|
|
1096 |
#endif
|
|
1097 |
#ifdef MNG_ACCESS_ZLIB
|
|
1098 |
{"mng_set_zlib_level", 1, 0, 0},
|
|
1099 |
{"mng_set_zlib_maxidat", 1, 0, 0},
|
|
1100 |
{"mng_set_zlib_memlevel", 1, 0, 0},
|
|
1101 |
{"mng_set_zlib_method", 1, 0, 0},
|
|
1102 |
{"mng_set_zlib_strategy", 1, 0, 0},
|
|
1103 |
{"mng_set_zlib_windowbits", 1, 0, 0},
|
|
1104 |
#endif
|
|
1105 |
#ifndef MNG_NO_OPEN_CLOSE_STREAM
|
|
1106 |
{"mng_setcb_closestream", 1, 0, 0},
|
|
1107 |
#endif
|
|
1108 |
{"mng_setcb_errorproc", 1, 0, 0},
|
|
1109 |
{"mng_setcb_getalphaline", 1, 0, 0},
|
|
1110 |
{"mng_setcb_getbkgdline", 1, 0, 0},
|
|
1111 |
{"mng_setcb_getcanvasline", 1, 0, 0},
|
|
1112 |
{"mng_setcb_gettickcount", 1, 0, 0},
|
|
1113 |
{"mng_setcb_memalloc", 1, 0, 0},
|
|
1114 |
{"mng_setcb_memfree", 1, 0, 0},
|
|
1115 |
#ifndef MNG_NO_OPEN_CLOSE_STREAM
|
|
1116 |
{"mng_setcb_openstream", 1, 0, 0},
|
|
1117 |
#endif
|
|
1118 |
{"mng_setcb_processarow", 1, 0, 0},
|
|
1119 |
{"mng_setcb_processchroma", 1, 0, 0},
|
|
1120 |
{"mng_setcb_processgamma", 1, 0, 0},
|
|
1121 |
{"mng_setcb_processheader", 1, 0, 0},
|
|
1122 |
{"mng_setcb_processiccp", 1, 0, 0},
|
|
1123 |
{"mng_setcb_processmend", 1, 0, 1},
|
|
1124 |
{"mng_setcb_processneed", 1, 0, 0},
|
|
1125 |
{"mng_setcb_processsave", 1, 0, 0},
|
|
1126 |
{"mng_setcb_processseek", 1, 0, 0},
|
|
1127 |
{"mng_setcb_processsrgb", 1, 0, 0},
|
|
1128 |
{"mng_setcb_processterm", 1, 0, 2},
|
|
1129 |
{"mng_setcb_processtext", 1, 0, 0},
|
|
1130 |
{"mng_setcb_processunknown", 1, 0, 0},
|
|
1131 |
{"mng_setcb_readdata", 1, 0, 0},
|
|
1132 |
{"mng_setcb_refresh", 1, 0, 0},
|
|
1133 |
{"mng_setcb_releasedata", 1, 0, 8},
|
|
1134 |
{"mng_setcb_settimer", 1, 0, 0},
|
|
1135 |
{"mng_setcb_traceproc", 1, 0, 0},
|
|
1136 |
{"mng_setcb_writedata", 1, 0, 0},
|
|
1137 |
{"mng_status_creating", 1, 0, 0},
|
|
1138 |
{"mng_status_displaying", 1, 0, 0},
|
|
1139 |
{"mng_status_dynamic", 1, 0, 5},
|
|
1140 |
{"mng_status_error", 1, 0, 0},
|
|
1141 |
{"mng_status_reading", 1, 0, 0},
|
|
1142 |
{"mng_status_running", 1, 0, 0},
|
|
1143 |
{"mng_status_runningevent", 1, 0, 5},
|
|
1144 |
{"mng_status_suspendbreak", 1, 0, 0},
|
|
1145 |
{"mng_status_timerbreak", 1, 0, 0},
|
|
1146 |
{"mng_status_writing", 1, 0, 0},
|
|
1147 |
{"mng_supports_func", 1, 0, 5},
|
|
1148 |
{"mng_trapevent", 1, 0, 5},
|
|
1149 |
{"mng_updatemngheader", 1, 0, 0},
|
|
1150 |
{"mng_updatemngsimplicity", 1, 0, 0},
|
|
1151 |
{"mng_version_beta", 1, 0, 5},
|
|
1152 |
{"mng_version_dll", 1, 0, 0},
|
|
1153 |
{"mng_version_major", 1, 0, 0},
|
|
1154 |
{"mng_version_minor", 1, 0, 0},
|
|
1155 |
{"mng_version_release", 1, 0, 0},
|
|
1156 |
{"mng_version_so", 1, 0, 0},
|
|
1157 |
{"mng_version_text", 1, 0, 0},
|
|
1158 |
{"mng_write", 1, 0, 0},
|
|
1159 |
};
|
|
1160 |
|
|
1161 |
mng_bool MNG_DECL mng_supports_func (mng_pchar zFunction,
|
|
1162 |
mng_uint8* iMajor,
|
|
1163 |
mng_uint8* iMinor,
|
|
1164 |
mng_uint8* iRelease)
|
|
1165 |
{
|
|
1166 |
mng_int32 iTop, iLower, iUpper, iMiddle;
|
|
1167 |
mng_func_entryp pEntry; /* pointer to found entry */
|
|
1168 |
/* determine max index of table */
|
|
1169 |
iTop = (sizeof (func_table) / sizeof (func_table [0])) - 1;
|
|
1170 |
|
|
1171 |
iLower = 0; /* initialize binary search */
|
|
1172 |
iMiddle = iTop >> 1; /* start in the middle */
|
|
1173 |
iUpper = iTop;
|
|
1174 |
pEntry = 0; /* no goods yet! */
|
|
1175 |
|
|
1176 |
do /* the binary search itself */
|
|
1177 |
{
|
|
1178 |
mng_int32 iRslt = strcmp(func_table [iMiddle].zFunction, zFunction);
|
|
1179 |
if (iRslt < 0)
|
|
1180 |
iLower = iMiddle + 1;
|
|
1181 |
else if (iRslt > 0)
|
|
1182 |
iUpper = iMiddle - 1;
|
|
1183 |
else
|
|
1184 |
{
|
|
1185 |
pEntry = &func_table [iMiddle];
|
|
1186 |
break;
|
|
1187 |
};
|
|
1188 |
|
|
1189 |
iMiddle = (iLower + iUpper) >> 1;
|
|
1190 |
}
|
|
1191 |
while (iLower <= iUpper);
|
|
1192 |
|
|
1193 |
if (pEntry) /* found it ? */
|
|
1194 |
{
|
|
1195 |
*iMajor = pEntry->iMajor;
|
|
1196 |
*iMinor = pEntry->iMinor;
|
|
1197 |
*iRelease = pEntry->iRelease;
|
|
1198 |
return MNG_TRUE;
|
|
1199 |
}
|
|
1200 |
else
|
|
1201 |
{
|
|
1202 |
*iMajor = 0;
|
|
1203 |
*iMinor = 0;
|
|
1204 |
*iRelease = 0;
|
|
1205 |
return MNG_FALSE;
|
|
1206 |
}
|
|
1207 |
}
|
|
1208 |
#endif
|
|
1209 |
|
|
1210 |
/* ************************************************************************** */
|
|
1211 |
/* * * */
|
|
1212 |
/* * HLAPI routines * */
|
|
1213 |
/* * * */
|
|
1214 |
/* ************************************************************************** */
|
|
1215 |
|
|
1216 |
mng_handle MNG_DECL mng_initialize (mng_ptr pUserdata,
|
|
1217 |
mng_memalloc fMemalloc,
|
|
1218 |
mng_memfree fMemfree,
|
|
1219 |
mng_traceproc fTraceproc)
|
|
1220 |
{
|
|
1221 |
mng_datap pData;
|
|
1222 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
1223 |
mng_retcode iRetcode;
|
|
1224 |
mng_imagep pImage;
|
|
1225 |
#endif
|
|
1226 |
|
|
1227 |
#ifdef MNG_INTERNAL_MEMMNGMT /* allocate the main datastruc */
|
|
1228 |
pData = (mng_datap)calloc (1, sizeof (mng_data));
|
|
1229 |
#else
|
|
1230 |
pData = (mng_datap)fMemalloc (sizeof (mng_data));
|
|
1231 |
#endif
|
|
1232 |
|
|
1233 |
if (!pData)
|
|
1234 |
return MNG_NULL; /* error: out of memory?? */
|
|
1235 |
/* validate the structure */
|
|
1236 |
pData->iMagic = MNG_MAGIC;
|
|
1237 |
/* save userdata field */
|
|
1238 |
pData->pUserdata = pUserdata;
|
|
1239 |
/* remember trace callback */
|
|
1240 |
pData->fTraceproc = fTraceproc;
|
|
1241 |
|
|
1242 |
#ifdef MNG_SUPPORT_TRACE
|
|
1243 |
if (mng_trace (pData, MNG_FN_INITIALIZE, MNG_LC_INITIALIZE))
|
|
1244 |
{
|
|
1245 |
MNG_FREEX (pData, pData, sizeof (mng_data));
|
|
1246 |
return MNG_NULL;
|
|
1247 |
}
|
|
1248 |
#endif
|
|
1249 |
/* default canvas styles are 8-bit RGB */
|
|
1250 |
pData->iCanvasstyle = MNG_CANVAS_RGB8;
|
|
1251 |
pData->iBkgdstyle = MNG_CANVAS_RGB8;
|
|
1252 |
|
|
1253 |
pData->iBGred = 0; /* black */
|
|
1254 |
pData->iBGgreen = 0;
|
|
1255 |
pData->iBGblue = 0;
|
|
1256 |
|
|
1257 |
pData->bUseBKGD = MNG_TRUE;
|
|
1258 |
|
|
1259 |
#ifdef MNG_FULL_CMS
|
|
1260 |
pData->bIssRGB = MNG_TRUE;
|
|
1261 |
pData->hProf1 = 0; /* no profiles yet */
|
|
1262 |
pData->hProf2 = 0;
|
|
1263 |
pData->hProf3 = 0;
|
|
1264 |
pData->hTrans = 0;
|
|
1265 |
#endif
|
|
1266 |
|
|
1267 |
pData->dViewgamma = 1.0;
|
|
1268 |
pData->dDisplaygamma = 2.2;
|
|
1269 |
pData->dDfltimggamma = 0.45455;
|
|
1270 |
/* initially remember chunks */
|
|
1271 |
pData->bStorechunks = MNG_TRUE;
|
|
1272 |
/* no breaks at section-borders */
|
|
1273 |
pData->bSectionbreaks = MNG_FALSE;
|
|
1274 |
/* initially cache playback info */
|
|
1275 |
pData->bCacheplayback = MNG_TRUE;
|
|
1276 |
/* progressive refresh for large images */
|
|
1277 |
pData->bDoProgressive = MNG_TRUE;
|
|
1278 |
/* crc exists; should check; error for
|
|
1279 |
critical chunks; warning for ancillery;
|
|
1280 |
generate crc for output */
|
|
1281 |
pData->iCrcmode = MNG_CRC_DEFAULT;
|
|
1282 |
/* normal animation-speed ! */
|
|
1283 |
pData->iSpeed = mng_st_normal;
|
|
1284 |
/* initial image limits */
|
|
1285 |
pData->iMaxwidth = 10000;
|
|
1286 |
pData->iMaxheight = 10000;
|
|
1287 |
|
|
1288 |
#ifdef MNG_INTERNAL_MEMMNGMT /* internal management */
|
|
1289 |
pData->fMemalloc = MNG_NULL;
|
|
1290 |
pData->fMemfree = MNG_NULL;
|
|
1291 |
#else /* keep callbacks */
|
|
1292 |
pData->fMemalloc = fMemalloc;
|
|
1293 |
pData->fMemfree = fMemfree;
|
|
1294 |
#endif
|
|
1295 |
/* no value (yet) */
|
|
1296 |
pData->fReleasedata = MNG_NULL;
|
|
1297 |
#ifndef MNG_NO_OPEN_CLOSE_STREAM
|
|
1298 |
pData->fOpenstream = MNG_NULL;
|
|
1299 |
pData->fClosestream = MNG_NULL;
|
|
1300 |
#endif
|
|
1301 |
pData->fReaddata = MNG_NULL;
|
|
1302 |
pData->fWritedata = MNG_NULL;
|
|
1303 |
pData->fErrorproc = MNG_NULL;
|
|
1304 |
pData->fProcessheader = MNG_NULL;
|
|
1305 |
pData->fProcesstext = MNG_NULL;
|
|
1306 |
pData->fProcesssave = MNG_NULL;
|
|
1307 |
pData->fProcessseek = MNG_NULL;
|
|
1308 |
pData->fProcessneed = MNG_NULL;
|
|
1309 |
pData->fProcessmend = MNG_NULL;
|
|
1310 |
pData->fProcessunknown = MNG_NULL;
|
|
1311 |
pData->fProcessterm = MNG_NULL;
|
|
1312 |
pData->fGetcanvasline = MNG_NULL;
|
|
1313 |
pData->fGetbkgdline = MNG_NULL;
|
|
1314 |
pData->fGetalphaline = MNG_NULL;
|
|
1315 |
pData->fRefresh = MNG_NULL;
|
|
1316 |
pData->fGettickcount = MNG_NULL;
|
|
1317 |
pData->fSettimer = MNG_NULL;
|
|
1318 |
pData->fProcessgamma = MNG_NULL;
|
|
1319 |
pData->fProcesschroma = MNG_NULL;
|
|
1320 |
pData->fProcesssrgb = MNG_NULL;
|
|
1321 |
pData->fProcessiccp = MNG_NULL;
|
|
1322 |
pData->fProcessarow = MNG_NULL;
|
|
1323 |
|
|
1324 |
#if defined(MNG_SUPPORT_DISPLAY) && (defined(MNG_GAMMA_ONLY) || defined(MNG_FULL_CMS))
|
|
1325 |
pData->dLastgamma = 0; /* lookup table needs first-time calc */
|
|
1326 |
#endif
|
|
1327 |
|
|
1328 |
#ifdef MNG_SUPPORT_DISPLAY /* create object 0 */
|
|
1329 |
iRetcode = mng_create_imageobject (pData, 0, MNG_TRUE, MNG_TRUE, MNG_TRUE,
|
|
1330 |
0, 0, 0, 0, 0, 0, 0, 0, 0, MNG_FALSE,
|
|
1331 |
0, 0, 0, 0, &pImage);
|
|
1332 |
|
|
1333 |
if (iRetcode) /* on error drop out */
|
|
1334 |
{
|
|
1335 |
MNG_FREEX (pData, pData, sizeof (mng_data));
|
|
1336 |
return MNG_NULL;
|
|
1337 |
}
|
|
1338 |
|
|
1339 |
pData->pObjzero = pImage;
|
|
1340 |
#endif
|
|
1341 |
|
|
1342 |
#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_INCLUDE_LCMS)
|
|
1343 |
mnglcms_initlibrary (); /* init lcms particulars */
|
|
1344 |
#endif
|
|
1345 |
|
|
1346 |
#ifdef MNG_SUPPORT_READ
|
|
1347 |
pData->bSuspensionmode = MNG_FALSE;
|
|
1348 |
pData->iSuspendbufsize = 0;
|
|
1349 |
pData->pSuspendbuf = MNG_NULL;
|
|
1350 |
pData->pSuspendbufnext = MNG_NULL;
|
|
1351 |
pData->iSuspendbufleft = 0;
|
|
1352 |
pData->iChunklen = 0;
|
|
1353 |
pData->pReadbufnext = MNG_NULL;
|
|
1354 |
pData->pLargebufnext = MNG_NULL;
|
|
1355 |
|
|
1356 |
pData->pFirstpushchunk = MNG_NULL;
|
|
1357 |
pData->pLastpushchunk = MNG_NULL;
|
|
1358 |
pData->pFirstpushdata = MNG_NULL;
|
|
1359 |
pData->pLastpushdata = MNG_NULL;
|
|
1360 |
#endif
|
|
1361 |
|
|
1362 |
#ifdef MNG_INCLUDE_ZLIB
|
|
1363 |
mngzlib_initialize (pData); /* initialize zlib structures and such */
|
|
1364 |
/* default zlib compression parameters */
|
|
1365 |
pData->iZlevel = MNG_ZLIB_LEVEL;
|
|
1366 |
pData->iZmethod = MNG_ZLIB_METHOD;
|
|
1367 |
pData->iZwindowbits = MNG_ZLIB_WINDOWBITS;
|
|
1368 |
pData->iZmemlevel = MNG_ZLIB_MEMLEVEL;
|
|
1369 |
pData->iZstrategy = MNG_ZLIB_STRATEGY;
|
|
1370 |
/* default maximum IDAT data size */
|
|
1371 |
pData->iMaxIDAT = MNG_MAX_IDAT_SIZE;
|
|
1372 |
#endif
|
|
1373 |
|
|
1374 |
#ifdef MNG_INCLUDE_JNG /* default IJG compression parameters */
|
|
1375 |
pData->eJPEGdctmethod = MNG_JPEG_DCT;
|
|
1376 |
pData->iJPEGquality = MNG_JPEG_QUALITY;
|
|
1377 |
pData->iJPEGsmoothing = MNG_JPEG_SMOOTHING;
|
|
1378 |
pData->bJPEGcompressprogr = MNG_JPEG_PROGRESSIVE;
|
|
1379 |
pData->bJPEGcompressopt = MNG_JPEG_OPTIMIZED;
|
|
1380 |
/* default maximum JDAT data size */
|
|
1381 |
pData->iMaxJDAT = MNG_MAX_JDAT_SIZE;
|
|
1382 |
#endif
|
|
1383 |
|
|
1384 |
mng_reset ((mng_handle)pData);
|
|
1385 |
|
|
1386 |
#ifdef MNG_SUPPORT_TRACE
|
|
1387 |
if (mng_trace (pData, MNG_FN_INITIALIZE, MNG_LC_END))
|
|
1388 |
{
|
|
1389 |
MNG_FREEX (pData, pData, sizeof (mng_data));
|
|
1390 |
return MNG_NULL;
|
|
1391 |
}
|
|
1392 |
#endif
|
|
1393 |
|
|
1394 |
return (mng_handle)pData; /* if we get here, we're in business */
|
|
1395 |
}
|
|
1396 |
|
|
1397 |
/* ************************************************************************** */
|
|
1398 |
|
|
1399 |
mng_retcode MNG_DECL mng_reset (mng_handle hHandle)
|
|
1400 |
{
|
|
1401 |
mng_datap pData;
|
|
1402 |
|
|
1403 |
#ifdef MNG_SUPPORT_TRACE
|
|
1404 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_RESET, MNG_LC_START);
|
|
1405 |
#endif
|
|
1406 |
|
|
1407 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
1408 |
pData = ((mng_datap)(hHandle)); /* address main structure */
|
|
1409 |
|
|
1410 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
1411 |
#ifndef MNG_SKIPCHUNK_SAVE
|
|
1412 |
mng_drop_savedata (pData); /* cleanup saved-data from SAVE/SEEK */
|
|
1413 |
#endif
|
|
1414 |
#endif
|
|
1415 |
|
|
1416 |
#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_FULL_CMS)
|
|
1417 |
mng_clear_cms (pData); /* cleanup left-over cms stuff if any */
|
|
1418 |
#endif
|
|
1419 |
|
|
1420 |
#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_INCLUDE_JNG)
|
|
1421 |
mngjpeg_cleanup (pData); /* cleanup jpeg stuff */
|
|
1422 |
#endif
|
|
1423 |
|
|
1424 |
#ifdef MNG_INCLUDE_ZLIB
|
|
1425 |
if (pData->bInflating) /* if we've been inflating */
|
|
1426 |
{
|
|
1427 |
#ifdef MNG_INCLUDE_DISPLAY_PROCS
|
|
1428 |
mng_cleanup_rowproc (pData); /* cleanup row-processing, */
|
|
1429 |
#endif
|
|
1430 |
mngzlib_inflatefree (pData); /* cleanup inflate! */
|
|
1431 |
}
|
|
1432 |
#endif /* MNG_INCLUDE_ZLIB */
|
|
1433 |
|
|
1434 |
#ifdef MNG_SUPPORT_READ
|
|
1435 |
if ((pData->bReading) && (!pData->bEOF))
|
|
1436 |
mng_process_eof (pData); /* cleanup app streaming */
|
|
1437 |
/* cleanup default read buffers */
|
|
1438 |
MNG_FREE (pData, pData->pReadbuf, pData->iReadbufsize);
|
|
1439 |
MNG_FREE (pData, pData->pLargebuf, pData->iLargebufsize);
|
|
1440 |
MNG_FREE (pData, pData->pSuspendbuf, pData->iSuspendbufsize);
|
|
1441 |
|
|
1442 |
while (pData->pFirstpushdata) /* release any pushed data & chunks */
|
|
1443 |
mng_release_pushdata (pData);
|
|
1444 |
while (pData->pFirstpushchunk)
|
|
1445 |
mng_release_pushchunk (pData);
|
|
1446 |
#endif
|
|
1447 |
|
|
1448 |
#ifdef MNG_SUPPORT_WRITE /* cleanup default write buffer */
|
|
1449 |
MNG_FREE (pData, pData->pWritebuf, pData->iWritebufsize);
|
|
1450 |
#endif
|
|
1451 |
|
|
1452 |
#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE)
|
|
1453 |
mng_drop_chunks (pData); /* drop stored chunks (if any) */
|
|
1454 |
#endif
|
|
1455 |
|
|
1456 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
1457 |
mng_drop_objects (pData, MNG_TRUE); /* drop stored objects (if any) */
|
|
1458 |
|
|
1459 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
1460 |
if (pData->iGlobalProfilesize) /* drop global profile (if any) */
|
|
1461 |
MNG_FREEX (pData, pData->pGlobalProfile, pData->iGlobalProfilesize);
|
|
1462 |
#endif
|
|
1463 |
#endif
|
|
1464 |
|
|
1465 |
pData->eSigtype = mng_it_unknown;
|
|
1466 |
pData->eImagetype = mng_it_unknown;
|
|
1467 |
pData->iWidth = 0; /* these are unknown yet */
|
|
1468 |
pData->iHeight = 0;
|
|
1469 |
pData->iTicks = 0;
|
|
1470 |
pData->iLayercount = 0;
|
|
1471 |
pData->iFramecount = 0;
|
|
1472 |
pData->iPlaytime = 0;
|
|
1473 |
pData->iSimplicity = 0;
|
|
1474 |
pData->iAlphadepth = 16; /* assume the worst! */
|
|
1475 |
|
|
1476 |
pData->iImagelevel = 0; /* no image encountered */
|
|
1477 |
|
|
1478 |
pData->iMagnify = 0; /* 1-to-1 display */
|
|
1479 |
pData->iOffsetx = 0; /* no offsets */
|
|
1480 |
pData->iOffsety = 0;
|
|
1481 |
pData->iCanvaswidth = 0; /* let the app decide during processheader */
|
|
1482 |
pData->iCanvasheight = 0;
|
|
1483 |
/* so far, so good */
|
|
1484 |
pData->iErrorcode = MNG_NOERROR;
|
|
1485 |
pData->iSeverity = 0;
|
|
1486 |
pData->iErrorx1 = 0;
|
|
1487 |
pData->iErrorx2 = 0;
|
|
1488 |
pData->zErrortext = MNG_NULL;
|
|
1489 |
|
|
1490 |
#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE)
|
|
1491 |
/* let's assume the best scenario */
|
|
1492 |
#ifndef MNG_NO_OLD_VERSIONS
|
|
1493 |
pData->bPreDraft48 = MNG_FALSE;
|
|
1494 |
#endif
|
|
1495 |
/* the unknown chunk */
|
|
1496 |
pData->iChunkname = MNG_UINT_HUH;
|
|
1497 |
pData->iChunkseq = 0;
|
|
1498 |
pData->pFirstchunk = MNG_NULL;
|
|
1499 |
pData->pLastchunk = MNG_NULL;
|
|
1500 |
/* nothing processed yet */
|
|
1501 |
pData->bHasheader = MNG_FALSE;
|
|
1502 |
pData->bHasMHDR = MNG_FALSE;
|
|
1503 |
pData->bHasIHDR = MNG_FALSE;
|
|
1504 |
pData->bHasBASI = MNG_FALSE;
|
|
1505 |
pData->bHasDHDR = MNG_FALSE;
|
|
1506 |
#ifdef MNG_INCLUDE_JNG
|
|
1507 |
pData->bHasJHDR = MNG_FALSE;
|
|
1508 |
pData->bHasJSEP = MNG_FALSE;
|
|
1509 |
pData->bHasJDAA = MNG_FALSE;
|
|
1510 |
pData->bHasJDAT = MNG_FALSE;
|
|
1511 |
#endif
|
|
1512 |
pData->bHasPLTE = MNG_FALSE;
|
|
1513 |
pData->bHasTRNS = MNG_FALSE;
|
|
1514 |
pData->bHasGAMA = MNG_FALSE;
|
|
1515 |
pData->bHasCHRM = MNG_FALSE;
|
|
1516 |
pData->bHasSRGB = MNG_FALSE;
|
|
1517 |
pData->bHasICCP = MNG_FALSE;
|
|
1518 |
pData->bHasBKGD = MNG_FALSE;
|
|
1519 |
pData->bHasIDAT = MNG_FALSE;
|
|
1520 |
|
|
1521 |
pData->bHasSAVE = MNG_FALSE;
|
|
1522 |
pData->bHasBACK = MNG_FALSE;
|
|
1523 |
pData->bHasFRAM = MNG_FALSE;
|
|
1524 |
pData->bHasTERM = MNG_FALSE;
|
|
1525 |
pData->bHasLOOP = MNG_FALSE;
|
|
1526 |
/* there's no global stuff yet either */
|
|
1527 |
pData->bHasglobalPLTE = MNG_FALSE;
|
|
1528 |
pData->bHasglobalTRNS = MNG_FALSE;
|
|
1529 |
pData->bHasglobalGAMA = MNG_FALSE;
|
|
1530 |
pData->bHasglobalCHRM = MNG_FALSE;
|
|
1531 |
pData->bHasglobalSRGB = MNG_FALSE;
|
|
1532 |
pData->bHasglobalICCP = MNG_FALSE;
|
|
1533 |
|
|
1534 |
pData->iDatawidth = 0; /* no IHDR/BASI/DHDR done yet */
|
|
1535 |
pData->iDataheight = 0;
|
|
1536 |
pData->iBitdepth = 0;
|
|
1537 |
pData->iColortype = 0;
|
|
1538 |
pData->iCompression = 0;
|
|
1539 |
pData->iFilter = 0;
|
|
1540 |
pData->iInterlace = 0;
|
|
1541 |
|
|
1542 |
#ifdef MNG_INCLUDE_JNG
|
|
1543 |
pData->iJHDRcolortype = 0; /* no JHDR data */
|
|
1544 |
pData->iJHDRimgbitdepth = 0;
|
|
1545 |
pData->iJHDRimgcompression = 0;
|
|
1546 |
pData->iJHDRimginterlace = 0;
|
|
1547 |
pData->iJHDRalphabitdepth = 0;
|
|
1548 |
pData->iJHDRalphacompression = 0;
|
|
1549 |
pData->iJHDRalphafilter = 0;
|
|
1550 |
pData->iJHDRalphainterlace = 0;
|
|
1551 |
#endif
|
|
1552 |
|
|
1553 |
#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */
|
|
1554 |
|
|
1555 |
#ifdef MNG_SUPPORT_READ /* no reading done */
|
|
1556 |
pData->bReading = MNG_FALSE;
|
|
1557 |
pData->bHavesig = MNG_FALSE;
|
|
1558 |
pData->bEOF = MNG_FALSE;
|
|
1559 |
pData->iReadbufsize = 0;
|
|
1560 |
pData->pReadbuf = MNG_NULL;
|
|
1561 |
|
|
1562 |
pData->iLargebufsize = 0;
|
|
1563 |
pData->pLargebuf = MNG_NULL;
|
|
1564 |
|
|
1565 |
pData->iSuspendtime = 0;
|
|
1566 |
pData->bSuspended = MNG_FALSE;
|
|
1567 |
pData->iSuspendpoint = 0;
|
|
1568 |
|
|
1569 |
pData->pSuspendbufnext = pData->pSuspendbuf;
|
|
1570 |
pData->iSuspendbufleft = 0;
|
|
1571 |
#endif /* MNG_SUPPORT_READ */
|
|
1572 |
|
|
1573 |
#ifdef MNG_SUPPORT_WRITE /* no creating/writing done */
|
|
1574 |
pData->bCreating = MNG_FALSE;
|
|
1575 |
pData->bWriting = MNG_FALSE;
|
|
1576 |
pData->iFirstchunkadded = 0;
|
|
1577 |
pData->iWritebufsize = 0;
|
|
1578 |
pData->pWritebuf = MNG_NULL;
|
|
1579 |
#endif /* MNG_SUPPORT_WRITE */
|
|
1580 |
|
|
1581 |
#ifdef MNG_SUPPORT_DISPLAY /* done nuttin' yet */
|
|
1582 |
pData->bDisplaying = MNG_FALSE;
|
|
1583 |
pData->iFrameseq = 0;
|
|
1584 |
pData->iLayerseq = 0;
|
|
1585 |
pData->iFrametime = 0;
|
|
1586 |
|
|
1587 |
pData->iTotallayers = 0;
|
|
1588 |
pData->iTotalframes = 0;
|
|
1589 |
pData->iTotalplaytime = 0;
|
|
1590 |
|
|
1591 |
pData->bSkipping = MNG_FALSE;
|
|
1592 |
|
|
1593 |
#ifdef MNG_SUPPORT_DYNAMICMNG
|
|
1594 |
pData->bDynamic = MNG_FALSE;
|
|
1595 |
pData->bRunningevent = MNG_FALSE;
|
|
1596 |
pData->bStopafterseek = MNG_FALSE;
|
|
1597 |
pData->iEventx = 0;
|
|
1598 |
pData->iEventy = 0;
|
|
1599 |
pData->pLastmousemove = MNG_NULL;
|
|
1600 |
#endif
|
|
1601 |
|
|
1602 |
pData->iRequestframe = 0;
|
|
1603 |
pData->iRequestlayer = 0;
|
|
1604 |
pData->iRequesttime = 0;
|
|
1605 |
pData->bSearching = MNG_FALSE;
|
|
1606 |
|
|
1607 |
pData->bRestorebkgd = MNG_FALSE;
|
|
1608 |
|
|
1609 |
pData->iRuntime = 0;
|
|
1610 |
pData->iSynctime = 0;
|
|
1611 |
pData->iStarttime = 0;
|
|
1612 |
pData->iEndtime = 0;
|
|
1613 |
pData->bRunning = MNG_FALSE;
|
|
1614 |
pData->bTimerset = MNG_FALSE;
|
|
1615 |
pData->iBreakpoint = 0;
|
|
1616 |
pData->bSectionwait = MNG_FALSE;
|
|
1617 |
pData->bFreezing = MNG_FALSE;
|
|
1618 |
pData->bResetting = MNG_FALSE;
|
|
1619 |
pData->bNeedrefresh = MNG_FALSE;
|
|
1620 |
pData->bMisplacedTERM = MNG_FALSE;
|
|
1621 |
pData->bOnlyfirstframe = MNG_FALSE;
|
|
1622 |
pData->iFramesafterTERM = 0;
|
|
1623 |
/* these don't exist yet */
|
|
1624 |
pData->pCurrentobj = MNG_NULL;
|
|
1625 |
pData->pCurraniobj = MNG_NULL;
|
|
1626 |
pData->pTermaniobj = MNG_NULL;
|
|
1627 |
pData->pLastclone = MNG_NULL;
|
|
1628 |
pData->pStoreobj = MNG_NULL;
|
|
1629 |
pData->pStorebuf = MNG_NULL;
|
|
1630 |
pData->pRetrieveobj = MNG_NULL;
|
|
1631 |
/* no saved data ! */
|
|
1632 |
pData->pSavedata = MNG_NULL;
|
|
1633 |
|
|
1634 |
pData->iUpdateleft = 0; /* no region updated yet */
|
|
1635 |
pData->iUpdateright = 0;
|
|
1636 |
pData->iUpdatetop = 0;
|
|
1637 |
pData->iUpdatebottom = 0;
|
|
1638 |
|
|
1639 |
pData->iPass = -1; /* interlacing stuff and temp buffers */
|
|
1640 |
pData->iRow = 0;
|
|
1641 |
pData->iRowinc = 1;
|
|
1642 |
pData->iCol = 0;
|
|
1643 |
pData->iColinc = 1;
|
|
1644 |
pData->iRowsamples = 0;
|
|
1645 |
pData->iSamplemul = 0;
|
|
1646 |
pData->iSampleofs = 0;
|
|
1647 |
pData->iSamplediv = 0;
|
|
1648 |
pData->iRowsize = 0;
|
|
1649 |
pData->iRowmax = 0;
|
|
1650 |
pData->iFilterofs = 0;
|
|
1651 |
pData->iPixelofs = 1;
|
|
1652 |
pData->iLevel0 = 0;
|
|
1653 |
pData->iLevel1 = 0;
|
|
1654 |
pData->iLevel2 = 0;
|
|
1655 |
pData->iLevel3 = 0;
|
|
1656 |
pData->pWorkrow = MNG_NULL;
|
|
1657 |
pData->pPrevrow = MNG_NULL;
|
|
1658 |
pData->pRGBArow = MNG_NULL;
|
|
1659 |
pData->bIsRGBA16 = MNG_TRUE;
|
|
1660 |
pData->bIsOpaque = MNG_TRUE;
|
|
1661 |
pData->iFilterbpp = 1;
|
|
1662 |
|
|
1663 |
pData->iSourcel = 0; /* always initialized just before */
|
|
1664 |
pData->iSourcer = 0; /* compositing the next layer */
|
|
1665 |
pData->iSourcet = 0;
|
|
1666 |
pData->iSourceb = 0;
|
|
1667 |
pData->iDestl = 0;
|
|
1668 |
pData->iDestr = 0;
|
|
1669 |
pData->iDestt = 0;
|
|
1670 |
pData->iDestb = 0;
|
|
1671 |
/* lists are empty */
|
|
1672 |
pData->pFirstimgobj = MNG_NULL;
|
|
1673 |
pData->pLastimgobj = MNG_NULL;
|
|
1674 |
pData->pFirstaniobj = MNG_NULL;
|
|
1675 |
pData->pLastaniobj = MNG_NULL;
|
|
1676 |
#ifdef MNG_SUPPORT_DYNAMICMNG
|
|
1677 |
pData->pFirstevent = MNG_NULL;
|
|
1678 |
pData->pLastevent = MNG_NULL;
|
|
1679 |
#endif
|
|
1680 |
/* no processing callbacks */
|
|
1681 |
pData->fDisplayrow = MNG_NULL;
|
|
1682 |
pData->fRestbkgdrow = MNG_NULL;
|
|
1683 |
pData->fCorrectrow = MNG_NULL;
|
|
1684 |
pData->fRetrieverow = MNG_NULL;
|
|
1685 |
pData->fStorerow = MNG_NULL;
|
|
1686 |
pData->fProcessrow = MNG_NULL;
|
|
1687 |
pData->fDifferrow = MNG_NULL;
|
|
1688 |
pData->fScalerow = MNG_NULL;
|
|
1689 |
pData->fDeltarow = MNG_NULL;
|
|
1690 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
1691 |
pData->fFliprow = MNG_NULL;
|
|
1692 |
pData->fTilerow = MNG_NULL;
|
|
1693 |
#endif
|
|
1694 |
pData->fInitrowproc = MNG_NULL;
|
|
1695 |
|
|
1696 |
pData->iPLTEcount = 0; /* no PLTE data */
|
|
1697 |
|
|
1698 |
#ifndef MNG_SKIPCHUNK_DEFI
|
|
1699 |
pData->iDEFIobjectid = 0; /* no DEFI data */
|
|
1700 |
pData->bDEFIhasdonotshow = MNG_FALSE;
|
|
1701 |
pData->iDEFIdonotshow = 0;
|
|
1702 |
pData->bDEFIhasconcrete = MNG_FALSE;
|
|
1703 |
pData->iDEFIconcrete = 0;
|
|
1704 |
pData->bDEFIhasloca = MNG_FALSE;
|
|
1705 |
pData->iDEFIlocax = 0;
|
|
1706 |
pData->iDEFIlocay = 0;
|
|
1707 |
pData->bDEFIhasclip = MNG_FALSE;
|
|
1708 |
pData->iDEFIclipl = 0;
|
|
1709 |
pData->iDEFIclipr = 0;
|
|
1710 |
pData->iDEFIclipt = 0;
|
|
1711 |
pData->iDEFIclipb = 0;
|
|
1712 |
#endif
|
|
1713 |
|
|
1714 |
#ifndef MNG_SKIPCHUNK_BACK
|
|
1715 |
pData->iBACKred = 0; /* no BACK data */
|
|
1716 |
pData->iBACKgreen = 0;
|
|
1717 |
pData->iBACKblue = 0;
|
|
1718 |
pData->iBACKmandatory = 0;
|
|
1719 |
pData->iBACKimageid = 0;
|
|
1720 |
pData->iBACKtile = 0;
|
|
1721 |
#endif
|
|
1722 |
|
|
1723 |
#ifndef MNG_SKIPCHUNK_FRAM
|
|
1724 |
pData->iFRAMmode = 1; /* default global FRAM variables */
|
|
1725 |
pData->iFRAMdelay = 1;
|
|
1726 |
pData->iFRAMtimeout = 0x7fffffffl;
|
|
1727 |
pData->bFRAMclipping = MNG_FALSE;
|
|
1728 |
pData->iFRAMclipl = 0;
|
|
1729 |
pData->iFRAMclipr = 0;
|
|
1730 |
pData->iFRAMclipt = 0;
|
|
1731 |
pData->iFRAMclipb = 0;
|
|
1732 |
|
|
1733 |
pData->iFramemode = 1; /* again for the current frame */
|
|
1734 |
pData->iFramedelay = 1;
|
|
1735 |
pData->iFrametimeout = 0x7fffffffl;
|
|
1736 |
pData->bFrameclipping = MNG_FALSE;
|
|
1737 |
pData->iFrameclipl = 0;
|
|
1738 |
pData->iFrameclipr = 0;
|
|
1739 |
pData->iFrameclipt = 0;
|
|
1740 |
pData->iFrameclipb = 0;
|
|
1741 |
|
|
1742 |
pData->iNextdelay = 1;
|
|
1743 |
|
|
1744 |
pData->bForcedelay = MNG_FALSE;
|
|
1745 |
pData->iAccumdelay = 0;
|
|
1746 |
#endif
|
|
1747 |
|
|
1748 |
#ifndef MNG_SKIPCHUNK_SHOW
|
|
1749 |
pData->iSHOWmode = 0; /* no SHOW data */
|
|
1750 |
pData->iSHOWfromid = 0;
|
|
1751 |
pData->iSHOWtoid = 0;
|
|
1752 |
pData->iSHOWnextid = 0;
|
|
1753 |
pData->iSHOWskip = 0;
|
|
1754 |
#endif
|
|
1755 |
|
|
1756 |
pData->iGlobalPLTEcount = 0; /* no global PLTE data */
|
|
1757 |
|
|
1758 |
pData->iGlobalTRNSrawlen = 0; /* no global tRNS data */
|
|
1759 |
|
|
1760 |
pData->iGlobalGamma = 0; /* no global gAMA data */
|
|
1761 |
|
|
1762 |
#ifndef MNG_SKIPCHUNK_cHRM
|
|
1763 |
pData->iGlobalWhitepointx = 0; /* no global cHRM data */
|
|
1764 |
pData->iGlobalWhitepointy = 0;
|
|
1765 |
pData->iGlobalPrimaryredx = 0;
|
|
1766 |
pData->iGlobalPrimaryredy = 0;
|
|
1767 |
pData->iGlobalPrimarygreenx = 0;
|
|
1768 |
pData->iGlobalPrimarygreeny = 0;
|
|
1769 |
pData->iGlobalPrimarybluex = 0;
|
|
1770 |
pData->iGlobalPrimarybluey = 0;
|
|
1771 |
#endif
|
|
1772 |
|
|
1773 |
pData->iGlobalRendintent = 0; /* no global sRGB data */
|
|
1774 |
|
|
1775 |
#ifndef MNG_SKIPCHUNK_iCCP
|
|
1776 |
pData->iGlobalProfilesize = 0; /* no global iCCP data */
|
|
1777 |
pData->pGlobalProfile = MNG_NULL;
|
|
1778 |
#endif
|
|
1779 |
|
|
1780 |
#ifndef MNG_SKIPCHUNK_bKGD
|
|
1781 |
pData->iGlobalBKGDred = 0; /* no global bKGD data */
|
|
1782 |
pData->iGlobalBKGDgreen = 0;
|
|
1783 |
pData->iGlobalBKGDblue = 0;
|
|
1784 |
#endif
|
|
1785 |
/* no delta-image */
|
|
1786 |
#ifndef MNG_NO_DELTA_PNG
|
|
1787 |
pData->pDeltaImage = MNG_NULL;
|
|
1788 |
pData->iDeltaImagetype = 0;
|
|
1789 |
pData->iDeltatype = 0;
|
|
1790 |
pData->iDeltaBlockwidth = 0;
|
|
1791 |
pData->iDeltaBlockheight = 0;
|
|
1792 |
pData->iDeltaBlockx = 0;
|
|
1793 |
pData->iDeltaBlocky = 0;
|
|
1794 |
pData->bDeltaimmediate = MNG_FALSE;
|
|
1795 |
|
|
1796 |
pData->fDeltagetrow = MNG_NULL;
|
|
1797 |
pData->fDeltaaddrow = MNG_NULL;
|
|
1798 |
pData->fDeltareplacerow = MNG_NULL;
|
|
1799 |
pData->fDeltaputrow = MNG_NULL;
|
|
1800 |
|
|
1801 |
pData->fPromoterow = MNG_NULL;
|
|
1802 |
pData->fPromBitdepth = MNG_NULL;
|
|
1803 |
pData->pPromBuf = MNG_NULL;
|
|
1804 |
pData->iPromColortype = 0;
|
|
1805 |
pData->iPromBitdepth = 0;
|
|
1806 |
pData->iPromFilltype = 0;
|
|
1807 |
pData->iPromWidth = 0;
|
|
1808 |
pData->pPromSrc = MNG_NULL;
|
|
1809 |
pData->pPromDst = MNG_NULL;
|
|
1810 |
#endif
|
|
1811 |
|
|
1812 |
#ifndef MNG_SKIPCHUNK_MAGN
|
|
1813 |
pData->iMAGNfromid = 0;
|
|
1814 |
pData->iMAGNtoid = 0;
|
|
1815 |
#endif
|
|
1816 |
|
|
1817 |
#ifndef MNG_SKIPCHUNK_PAST
|
|
1818 |
pData->iPastx = 0;
|
|
1819 |
pData->iPasty = 0;
|
|
1820 |
#endif
|
|
1821 |
|
|
1822 |
pData->pLastseek = MNG_NULL;
|
|
1823 |
#endif
|
|
1824 |
|
|
1825 |
#ifdef MNG_INCLUDE_ZLIB
|
|
1826 |
pData->bInflating = 0; /* no inflating or deflating */
|
|
1827 |
pData->bDeflating = 0; /* going on at the moment */
|
|
1828 |
#endif
|
|
1829 |
|
|
1830 |
#ifdef MNG_SUPPORT_DISPLAY /* reset object 0 */
|
|
1831 |
mng_reset_objzero (pData);
|
|
1832 |
#endif
|
|
1833 |
|
|
1834 |
#ifdef MNG_SUPPORT_TRACE
|
|
1835 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_RESET, MNG_LC_END);
|
|
1836 |
#endif
|
|
1837 |
|
|
1838 |
return MNG_NOERROR;
|
|
1839 |
}
|
|
1840 |
|
|
1841 |
/* ************************************************************************** */
|
|
1842 |
|
|
1843 |
mng_retcode MNG_DECL mng_cleanup (mng_handle* hHandle)
|
|
1844 |
{
|
|
1845 |
mng_datap pData; /* local vars */
|
|
1846 |
#ifndef MNG_INTERNAL_MEMMNGMT
|
|
1847 |
mng_memfree fFree;
|
|
1848 |
#endif
|
|
1849 |
|
|
1850 |
#ifdef MNG_SUPPORT_TRACE
|
|
1851 |
MNG_TRACE (((mng_datap)*hHandle), MNG_FN_CLEANUP, MNG_LC_START);
|
|
1852 |
#endif
|
|
1853 |
|
|
1854 |
MNG_VALIDHANDLE (*hHandle) /* check validity handle */
|
|
1855 |
pData = ((mng_datap)(*hHandle)); /* and address main structure */
|
|
1856 |
|
|
1857 |
mng_reset (*hHandle); /* do an implicit reset to cleanup most stuff */
|
|
1858 |
|
|
1859 |
#ifdef MNG_SUPPORT_DISPLAY /* drop object 0 */
|
|
1860 |
mng_free_imageobject (pData, (mng_imagep)pData->pObjzero);
|
|
1861 |
#endif
|
|
1862 |
|
|
1863 |
#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_FULL_CMS)
|
|
1864 |
if (pData->hProf2) /* output profile defined ? */
|
|
1865 |
mnglcms_freeprofile (pData->hProf2);
|
|
1866 |
|
|
1867 |
if (pData->hProf3) /* sRGB profile defined ? */
|
|
1868 |
mnglcms_freeprofile (pData->hProf3);
|
|
1869 |
#endif
|
|
1870 |
|
|
1871 |
#ifdef MNG_INCLUDE_ZLIB
|
|
1872 |
mngzlib_cleanup (pData); /* cleanup zlib stuff */
|
|
1873 |
#endif
|
|
1874 |
|
|
1875 |
#ifdef MNG_SUPPORT_TRACE
|
|
1876 |
MNG_TRACE (((mng_datap)*hHandle), MNG_FN_CLEANUP, MNG_LC_CLEANUP)
|
|
1877 |
#endif
|
|
1878 |
|
|
1879 |
pData->iMagic = 0; /* invalidate the actual memory */
|
|
1880 |
|
|
1881 |
#ifdef MNG_INTERNAL_MEMMNGMT
|
|
1882 |
free ((void *)*hHandle); /* cleanup the data-structure */
|
|
1883 |
#else
|
|
1884 |
fFree = ((mng_datap)*hHandle)->fMemfree;
|
|
1885 |
fFree ((mng_ptr)*hHandle, sizeof (mng_data));
|
|
1886 |
#endif
|
|
1887 |
|
|
1888 |
*hHandle = 0; /* wipe pointer to inhibit future use */
|
|
1889 |
|
|
1890 |
return MNG_NOERROR; /* and we're done */
|
|
1891 |
}
|
|
1892 |
|
|
1893 |
/* ************************************************************************** */
|
|
1894 |
|
|
1895 |
#ifdef MNG_SUPPORT_READ
|
|
1896 |
mng_retcode MNG_DECL mng_read (mng_handle hHandle)
|
|
1897 |
{
|
|
1898 |
mng_datap pData; /* local vars */
|
|
1899 |
mng_retcode iRetcode;
|
|
1900 |
|
|
1901 |
#ifdef MNG_SUPPORT_TRACE
|
|
1902 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ, MNG_LC_START);
|
|
1903 |
#endif
|
|
1904 |
|
|
1905 |
MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */
|
|
1906 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
1907 |
|
|
1908 |
#ifndef MNG_INTERNAL_MEMMNGMT
|
|
1909 |
MNG_VALIDCB (hHandle, fMemalloc)
|
|
1910 |
MNG_VALIDCB (hHandle, fMemfree)
|
|
1911 |
#endif
|
|
1912 |
|
|
1913 |
#ifndef MNG_NO_OPEN_CLOSE_STREAM
|
|
1914 |
MNG_VALIDCB (hHandle, fOpenstream)
|
|
1915 |
MNG_VALIDCB (hHandle, fClosestream)
|
|
1916 |
#endif
|
|
1917 |
MNG_VALIDCB (hHandle, fReaddata)
|
|
1918 |
|
|
1919 |
#ifdef MNG_SUPPORT_DISPLAY /* valid at this point ? */
|
|
1920 |
if ((pData->bReading) || (pData->bDisplaying))
|
|
1921 |
#else
|
|
1922 |
if (pData->bReading)
|
|
1923 |
#endif
|
|
1924 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
1925 |
|
|
1926 |
#ifdef MNG_SUPPORT_WRITE
|
|
1927 |
if ((pData->bWriting) || (pData->bCreating))
|
|
1928 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
1929 |
#endif
|
|
1930 |
|
|
1931 |
if (!pData->bCacheplayback) /* must store playback info to work!! */
|
|
1932 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
1933 |
|
|
1934 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
1935 |
|
|
1936 |
pData->bReading = MNG_TRUE; /* read only! */
|
|
1937 |
|
|
1938 |
#ifndef MNG_NO_OPEN_CLOSE_STREAM
|
|
1939 |
if (pData->fOpenstream && !pData->fOpenstream (hHandle))
|
|
1940 |
/* open it and start reading */
|
|
1941 |
iRetcode = MNG_APPIOERROR;
|
|
1942 |
else
|
|
1943 |
#endif
|
|
1944 |
iRetcode = mng_read_graphic (pData);
|
|
1945 |
|
|
1946 |
if (pData->bEOF) /* already at EOF ? */
|
|
1947 |
{
|
|
1948 |
pData->bReading = MNG_FALSE; /* then we're no longer reading */
|
|
1949 |
|
|
1950 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
1951 |
mng_reset_rundata (pData); /* reset rundata */
|
|
1952 |
#endif
|
|
1953 |
}
|
|
1954 |
|
|
1955 |
if (iRetcode) /* on error bail out */
|
|
1956 |
return iRetcode;
|
|
1957 |
|
|
1958 |
if (pData->bSuspended) /* read suspension ? */
|
|
1959 |
{
|
|
1960 |
iRetcode = MNG_NEEDMOREDATA;
|
|
1961 |
pData->iSuspendtime = pData->fGettickcount ((mng_handle)pData);
|
|
1962 |
}
|
|
1963 |
|
|
1964 |
#ifdef MNG_SUPPORT_TRACE
|
|
1965 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ, MNG_LC_END);
|
|
1966 |
#endif
|
|
1967 |
|
|
1968 |
return iRetcode;
|
|
1969 |
}
|
|
1970 |
#endif /* MNG_SUPPORT_READ */
|
|
1971 |
|
|
1972 |
/* ************************************************************************** */
|
|
1973 |
|
|
1974 |
#ifdef MNG_SUPPORT_READ
|
|
1975 |
mng_retcode MNG_DECL mng_read_pushdata (mng_handle hHandle,
|
|
1976 |
mng_ptr pData,
|
|
1977 |
mng_size_t iLength,
|
|
1978 |
mng_bool bTakeownership)
|
|
1979 |
{
|
|
1980 |
mng_datap pMyData; /* local vars */
|
|
1981 |
mng_pushdatap pPush;
|
|
1982 |
mng_retcode iRetcode;
|
|
1983 |
|
|
1984 |
#ifdef MNG_SUPPORT_TRACE
|
|
1985 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHDATA, MNG_LC_START);
|
|
1986 |
#endif
|
|
1987 |
|
|
1988 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
1989 |
pMyData = ((mng_datap)hHandle); /* and make it addressable */
|
|
1990 |
/* create a containing buffer */
|
|
1991 |
iRetcode = make_pushbuffer (pMyData, pData, iLength, bTakeownership, &pPush);
|
|
1992 |
if (iRetcode)
|
|
1993 |
return iRetcode;
|
|
1994 |
|
|
1995 |
if (pMyData->pLastpushdata) /* and update the buffer chain */
|
|
1996 |
pMyData->pLastpushdata->pNext = pPush;
|
|
1997 |
else
|
|
1998 |
pMyData->pFirstpushdata = pPush;
|
|
1999 |
|
|
2000 |
pMyData->pLastpushdata = pPush;
|
|
2001 |
|
|
2002 |
#ifdef MNG_SUPPORT_TRACE
|
|
2003 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHDATA, MNG_LC_END);
|
|
2004 |
#endif
|
|
2005 |
|
|
2006 |
return MNG_NOERROR;
|
|
2007 |
}
|
|
2008 |
#endif /* MNG_SUPPORT_READ */
|
|
2009 |
|
|
2010 |
/* ************************************************************************** */
|
|
2011 |
|
|
2012 |
#ifdef MNG_SUPPORT_READ
|
|
2013 |
mng_retcode MNG_DECL mng_read_pushsig (mng_handle hHandle,
|
|
2014 |
mng_imgtype eSigtype)
|
|
2015 |
{
|
|
2016 |
mng_datap pData; /* local vars */
|
|
2017 |
|
|
2018 |
#ifdef MNG_SUPPORT_TRACE
|
|
2019 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHSIG, MNG_LC_START);
|
|
2020 |
#endif
|
|
2021 |
|
|
2022 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2023 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2024 |
|
|
2025 |
if (pData->bHavesig) /* can we expect this call ? */
|
|
2026 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2027 |
|
|
2028 |
pData->eSigtype = eSigtype;
|
|
2029 |
pData->bHavesig = MNG_TRUE;
|
|
2030 |
|
|
2031 |
#ifdef MNG_SUPPORT_TRACE
|
|
2032 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHSIG, MNG_LC_END);
|
|
2033 |
#endif
|
|
2034 |
|
|
2035 |
return MNG_NOERROR;
|
|
2036 |
}
|
|
2037 |
#endif /* MNG_SUPPORT_READ */
|
|
2038 |
|
|
2039 |
/* ************************************************************************** */
|
|
2040 |
|
|
2041 |
#ifdef MNG_SUPPORT_READ
|
|
2042 |
mng_retcode MNG_DECL mng_read_pushchunk (mng_handle hHandle,
|
|
2043 |
mng_ptr pChunk,
|
|
2044 |
mng_size_t iLength,
|
|
2045 |
mng_bool bTakeownership)
|
|
2046 |
{
|
|
2047 |
mng_datap pMyData; /* local vars */
|
|
2048 |
mng_pushdatap pPush;
|
|
2049 |
mng_retcode iRetcode;
|
|
2050 |
|
|
2051 |
#ifdef MNG_SUPPORT_TRACE
|
|
2052 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHCHUNK, MNG_LC_START);
|
|
2053 |
#endif
|
|
2054 |
|
|
2055 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2056 |
pMyData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2057 |
/* create a containing buffer */
|
|
2058 |
iRetcode = make_pushbuffer (pMyData, pChunk, iLength, bTakeownership, &pPush);
|
|
2059 |
if (iRetcode)
|
|
2060 |
return iRetcode;
|
|
2061 |
|
|
2062 |
if (pMyData->pLastpushchunk) /* and update the buffer chain */
|
|
2063 |
pMyData->pLastpushchunk->pNext = pPush;
|
|
2064 |
else
|
|
2065 |
pMyData->pFirstpushchunk = pPush;
|
|
2066 |
|
|
2067 |
pMyData->pLastpushchunk = pPush;
|
|
2068 |
|
|
2069 |
#ifdef MNG_SUPPORT_TRACE
|
|
2070 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHCHUNK, MNG_LC_END);
|
|
2071 |
#endif
|
|
2072 |
|
|
2073 |
return MNG_NOERROR;
|
|
2074 |
}
|
|
2075 |
#endif /* MNG_SUPPORT_READ */
|
|
2076 |
|
|
2077 |
/* ************************************************************************** */
|
|
2078 |
|
|
2079 |
#ifdef MNG_SUPPORT_READ
|
|
2080 |
mng_retcode MNG_DECL mng_read_resume (mng_handle hHandle)
|
|
2081 |
{
|
|
2082 |
mng_datap pData; /* local vars */
|
|
2083 |
mng_retcode iRetcode;
|
|
2084 |
|
|
2085 |
#ifdef MNG_SUPPORT_TRACE
|
|
2086 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_RESUME, MNG_LC_START);
|
|
2087 |
#endif
|
|
2088 |
|
|
2089 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2090 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2091 |
/* can we expect this call ? */
|
|
2092 |
if ((!pData->bReading) || (!pData->bSuspended))
|
|
2093 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2094 |
|
|
2095 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2096 |
|
|
2097 |
pData->bSuspended = MNG_FALSE; /* reset the flag */
|
|
2098 |
|
|
2099 |
#ifdef MNG_SUPPORT_DISPLAY /* re-synchronize ? */
|
|
2100 |
if ((pData->bDisplaying) && (pData->bRunning))
|
|
2101 |
pData->iSynctime = pData->iSynctime - pData->iSuspendtime +
|
|
2102 |
pData->fGettickcount (hHandle);
|
|
2103 |
#endif
|
|
2104 |
|
|
2105 |
iRetcode = mng_read_graphic (pData); /* continue reading now */
|
|
2106 |
|
|
2107 |
if (pData->bEOF) /* at EOF ? */
|
|
2108 |
{
|
|
2109 |
pData->bReading = MNG_FALSE; /* then we're no longer reading */
|
|
2110 |
|
|
2111 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2112 |
mng_reset_rundata (pData); /* reset rundata */
|
|
2113 |
#endif
|
|
2114 |
}
|
|
2115 |
|
|
2116 |
if (iRetcode) /* on error bail out */
|
|
2117 |
return iRetcode;
|
|
2118 |
|
|
2119 |
if (pData->bSuspended) /* read suspension ? */
|
|
2120 |
{
|
|
2121 |
iRetcode = MNG_NEEDMOREDATA;
|
|
2122 |
pData->iSuspendtime = pData->fGettickcount ((mng_handle)pData);
|
|
2123 |
}
|
|
2124 |
|
|
2125 |
#ifdef MNG_SUPPORT_TRACE
|
|
2126 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_RESUME, MNG_LC_END);
|
|
2127 |
#endif
|
|
2128 |
|
|
2129 |
return iRetcode;
|
|
2130 |
}
|
|
2131 |
#endif /* MNG_SUPPORT_READ */
|
|
2132 |
|
|
2133 |
/* ************************************************************************** */
|
|
2134 |
|
|
2135 |
#ifdef MNG_SUPPORT_WRITE
|
|
2136 |
mng_retcode MNG_DECL mng_write (mng_handle hHandle)
|
|
2137 |
{
|
|
2138 |
mng_datap pData;
|
|
2139 |
mng_retcode iRetcode;
|
|
2140 |
|
|
2141 |
#ifdef MNG_SUPPORT_TRACE
|
|
2142 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_WRITE, MNG_LC_START);
|
|
2143 |
#endif
|
|
2144 |
|
|
2145 |
MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */
|
|
2146 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2147 |
|
|
2148 |
#ifndef MNG_INTERNAL_MEMMNGMT
|
|
2149 |
MNG_VALIDCB (hHandle, fMemalloc)
|
|
2150 |
MNG_VALIDCB (hHandle, fMemfree)
|
|
2151 |
#endif
|
|
2152 |
|
|
2153 |
#ifndef MNG_NO_OPEN_CLOSE_STREAM
|
|
2154 |
MNG_VALIDCB (hHandle, fOpenstream)
|
|
2155 |
MNG_VALIDCB (hHandle, fClosestream)
|
|
2156 |
#endif
|
|
2157 |
MNG_VALIDCB (hHandle, fWritedata)
|
|
2158 |
|
|
2159 |
#ifdef MNG_SUPPORT_READ
|
|
2160 |
if (pData->bReading) /* valid at this point ? */
|
|
2161 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2162 |
#endif
|
|
2163 |
|
|
2164 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2165 |
|
|
2166 |
iRetcode = mng_write_graphic (pData);/* do the write */
|
|
2167 |
|
|
2168 |
if (iRetcode) /* on error bail out */
|
|
2169 |
return iRetcode;
|
|
2170 |
|
|
2171 |
#ifdef MNG_SUPPORT_TRACE
|
|
2172 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_WRITE, MNG_LC_END);
|
|
2173 |
#endif
|
|
2174 |
|
|
2175 |
return MNG_NOERROR;
|
|
2176 |
}
|
|
2177 |
#endif /* MNG_SUPPORT_WRITE */
|
|
2178 |
|
|
2179 |
/* ************************************************************************** */
|
|
2180 |
|
|
2181 |
#ifdef MNG_SUPPORT_WRITE
|
|
2182 |
mng_retcode MNG_DECL mng_create (mng_handle hHandle)
|
|
2183 |
{
|
|
2184 |
mng_datap pData;
|
|
2185 |
mng_retcode iRetcode;
|
|
2186 |
|
|
2187 |
#ifdef MNG_SUPPORT_TRACE
|
|
2188 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_CREATE, MNG_LC_START);
|
|
2189 |
#endif
|
|
2190 |
|
|
2191 |
MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */
|
|
2192 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2193 |
|
|
2194 |
#ifndef MNG_INTERNAL_MEMMNGMT
|
|
2195 |
MNG_VALIDCB (hHandle, fMemalloc)
|
|
2196 |
MNG_VALIDCB (hHandle, fMemfree)
|
|
2197 |
#endif
|
|
2198 |
|
|
2199 |
#ifdef MNG_SUPPORT_READ
|
|
2200 |
if (pData->bReading) /* valid at this point ? */
|
|
2201 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2202 |
#endif
|
|
2203 |
|
|
2204 |
if ((pData->bWriting) || (pData->bCreating))
|
|
2205 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2206 |
|
|
2207 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2208 |
|
|
2209 |
iRetcode = mng_reset (hHandle); /* clear any previous stuff */
|
|
2210 |
|
|
2211 |
if (iRetcode) /* on error bail out */
|
|
2212 |
return iRetcode;
|
|
2213 |
|
|
2214 |
pData->bCreating = MNG_TRUE; /* indicate we're creating a new file */
|
|
2215 |
|
|
2216 |
#ifdef MNG_SUPPORT_TRACE
|
|
2217 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_CREATE, MNG_LC_END);
|
|
2218 |
#endif
|
|
2219 |
|
|
2220 |
return MNG_NOERROR;
|
|
2221 |
}
|
|
2222 |
#endif /* MNG_SUPPORT_WRITE */
|
|
2223 |
|
|
2224 |
/* ************************************************************************** */
|
|
2225 |
|
|
2226 |
#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_SUPPORT_READ)
|
|
2227 |
mng_retcode MNG_DECL mng_readdisplay (mng_handle hHandle)
|
|
2228 |
{
|
|
2229 |
mng_datap pData; /* local vars */
|
|
2230 |
mng_retcode iRetcode;
|
|
2231 |
|
|
2232 |
#ifdef MNG_SUPPORT_TRACE
|
|
2233 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READDISPLAY, MNG_LC_START);
|
|
2234 |
#endif
|
|
2235 |
|
|
2236 |
MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */
|
|
2237 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2238 |
|
|
2239 |
#ifndef MNG_INTERNAL_MEMMNGMT
|
|
2240 |
MNG_VALIDCB (hHandle, fMemalloc)
|
|
2241 |
MNG_VALIDCB (hHandle, fMemfree)
|
|
2242 |
#endif
|
|
2243 |
|
|
2244 |
MNG_VALIDCB (hHandle, fReaddata)
|
|
2245 |
MNG_VALIDCB (hHandle, fGetcanvasline)
|
|
2246 |
MNG_VALIDCB (hHandle, fRefresh)
|
|
2247 |
MNG_VALIDCB (hHandle, fGettickcount)
|
|
2248 |
MNG_VALIDCB (hHandle, fSettimer)
|
|
2249 |
/* valid at this point ? */
|
|
2250 |
if ((pData->bReading) || (pData->bDisplaying))
|
|
2251 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2252 |
|
|
2253 |
#ifdef MNG_SUPPORT_WRITE
|
|
2254 |
if ((pData->bWriting) || (pData->bCreating))
|
|
2255 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2256 |
#endif
|
|
2257 |
|
|
2258 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2259 |
|
|
2260 |
pData->bReading = MNG_TRUE; /* read & display! */
|
|
2261 |
pData->bDisplaying = MNG_TRUE;
|
|
2262 |
pData->bRunning = MNG_TRUE;
|
|
2263 |
pData->iFrameseq = 0;
|
|
2264 |
pData->iLayerseq = 0;
|
|
2265 |
pData->iFrametime = 0;
|
|
2266 |
pData->iRequestframe = 0;
|
|
2267 |
pData->iRequestlayer = 0;
|
|
2268 |
pData->iRequesttime = 0;
|
|
2269 |
pData->bSearching = MNG_FALSE;
|
|
2270 |
pData->iRuntime = 0;
|
|
2271 |
pData->iSynctime = pData->fGettickcount (hHandle);
|
|
2272 |
pData->iSuspendtime = 0;
|
|
2273 |
pData->iStarttime = pData->iSynctime;
|
|
2274 |
pData->iEndtime = 0;
|
|
2275 |
|
|
2276 |
#ifndef MNG_NO_OPEN_CLOSE_STREAM
|
|
2277 |
if (pData->fOpenstream && !pData->fOpenstream (hHandle))
|
|
2278 |
/* open it and start reading */
|
|
2279 |
iRetcode = MNG_APPIOERROR;
|
|
2280 |
else
|
|
2281 |
#endif
|
|
2282 |
iRetcode = mng_read_graphic (pData);
|
|
2283 |
|
|
2284 |
if (pData->bEOF) /* already at EOF ? */
|
|
2285 |
{
|
|
2286 |
pData->bReading = MNG_FALSE; /* then we're no longer reading */
|
|
2287 |
mng_drop_invalid_objects (pData); /* drop invalidly stored objects */
|
|
2288 |
}
|
|
2289 |
|
|
2290 |
if (iRetcode) /* on error bail out */
|
|
2291 |
return iRetcode;
|
|
2292 |
|
|
2293 |
if (pData->bSuspended) /* read suspension ? */
|
|
2294 |
{
|
|
2295 |
iRetcode = MNG_NEEDMOREDATA;
|
|
2296 |
pData->iSuspendtime = pData->fGettickcount ((mng_handle)pData);
|
|
2297 |
}
|
|
2298 |
else
|
|
2299 |
if (pData->bTimerset) /* indicate timer break ? */
|
|
2300 |
iRetcode = MNG_NEEDTIMERWAIT;
|
|
2301 |
else
|
|
2302 |
if (pData->bSectionwait) /* indicate section break ? */
|
|
2303 |
iRetcode = MNG_NEEDSECTIONWAIT;
|
|
2304 |
else
|
|
2305 |
{ /* no breaks = end of run */
|
|
2306 |
pData->bRunning = MNG_FALSE;
|
|
2307 |
|
|
2308 |
if (pData->bFreezing) /* dynamic MNG reached SEEK ? */
|
|
2309 |
pData->bFreezing = MNG_FALSE; /* reset it ! */
|
|
2310 |
}
|
|
2311 |
|
|
2312 |
#ifdef MNG_SUPPORT_TRACE
|
|
2313 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_READDISPLAY, MNG_LC_END);
|
|
2314 |
#endif
|
|
2315 |
|
|
2316 |
return iRetcode;
|
|
2317 |
}
|
|
2318 |
#endif /* MNG_SUPPORT_DISPLAY && MNG_SUPPORT_READ */
|
|
2319 |
|
|
2320 |
/* ************************************************************************** */
|
|
2321 |
|
|
2322 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2323 |
mng_retcode MNG_DECL mng_display (mng_handle hHandle)
|
|
2324 |
{
|
|
2325 |
mng_datap pData; /* local vars */
|
|
2326 |
mng_retcode iRetcode;
|
|
2327 |
|
|
2328 |
#ifdef MNG_SUPPORT_TRACE
|
|
2329 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY, MNG_LC_START);
|
|
2330 |
#endif
|
|
2331 |
|
|
2332 |
MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */
|
|
2333 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2334 |
|
|
2335 |
#ifndef MNG_INTERNAL_MEMMNGMT
|
|
2336 |
MNG_VALIDCB (hHandle, fMemalloc)
|
|
2337 |
MNG_VALIDCB (hHandle, fMemfree)
|
|
2338 |
#endif
|
|
2339 |
|
|
2340 |
MNG_VALIDCB (hHandle, fGetcanvasline)
|
|
2341 |
MNG_VALIDCB (hHandle, fRefresh)
|
|
2342 |
MNG_VALIDCB (hHandle, fGettickcount)
|
|
2343 |
MNG_VALIDCB (hHandle, fSettimer)
|
|
2344 |
|
|
2345 |
if (pData->bDisplaying) /* valid at this point ? */
|
|
2346 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2347 |
|
|
2348 |
#ifdef MNG_SUPPORT_READ
|
|
2349 |
if (pData->bReading)
|
|
2350 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2351 |
#endif
|
|
2352 |
|
|
2353 |
#ifdef MNG_SUPPORT_WRITE
|
|
2354 |
if ((pData->bWriting) || (pData->bCreating))
|
|
2355 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2356 |
#endif
|
|
2357 |
|
|
2358 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2359 |
|
|
2360 |
pData->bDisplaying = MNG_TRUE; /* display! */
|
|
2361 |
pData->bRunning = MNG_TRUE;
|
|
2362 |
pData->iFrameseq = 0;
|
|
2363 |
pData->iLayerseq = 0;
|
|
2364 |
pData->iFrametime = 0;
|
|
2365 |
pData->iRequestframe = 0;
|
|
2366 |
pData->iRequestlayer = 0;
|
|
2367 |
pData->iRequesttime = 0;
|
|
2368 |
pData->bSearching = MNG_FALSE;
|
|
2369 |
pData->iRuntime = 0;
|
|
2370 |
pData->iSynctime = pData->fGettickcount (hHandle);
|
|
2371 |
#ifdef MNG_SUPPORT_READ
|
|
2372 |
pData->iSuspendtime = 0;
|
|
2373 |
#endif
|
|
2374 |
pData->iStarttime = pData->iSynctime;
|
|
2375 |
pData->iEndtime = 0;
|
|
2376 |
pData->pCurraniobj = pData->pFirstaniobj;
|
|
2377 |
/* go do it */
|
|
2378 |
iRetcode = mng_process_display (pData);
|
|
2379 |
|
|
2380 |
if (iRetcode) /* on error bail out */
|
|
2381 |
return iRetcode;
|
|
2382 |
|
|
2383 |
if (pData->bTimerset) /* indicate timer break ? */
|
|
2384 |
iRetcode = MNG_NEEDTIMERWAIT;
|
|
2385 |
else
|
|
2386 |
{ /* no breaks = end of run */
|
|
2387 |
pData->bRunning = MNG_FALSE;
|
|
2388 |
|
|
2389 |
if (pData->bFreezing) /* dynamic MNG reached SEEK ? */
|
|
2390 |
pData->bFreezing = MNG_FALSE; /* reset it ! */
|
|
2391 |
}
|
|
2392 |
|
|
2393 |
#ifdef MNG_SUPPORT_TRACE
|
|
2394 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY, MNG_LC_END);
|
|
2395 |
#endif
|
|
2396 |
|
|
2397 |
return iRetcode;
|
|
2398 |
}
|
|
2399 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2400 |
|
|
2401 |
/* ************************************************************************** */
|
|
2402 |
|
|
2403 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2404 |
mng_retcode MNG_DECL mng_display_resume (mng_handle hHandle)
|
|
2405 |
{
|
|
2406 |
mng_datap pData; /* local vars */
|
|
2407 |
mng_retcode iRetcode;
|
|
2408 |
|
|
2409 |
#ifdef MNG_SUPPORT_TRACE
|
|
2410 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_RESUME, MNG_LC_START);
|
|
2411 |
#endif
|
|
2412 |
|
|
2413 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2414 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2415 |
|
|
2416 |
if (!pData->bDisplaying) /* can we expect this call ? */
|
|
2417 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2418 |
|
|
2419 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2420 |
/* was it running ? */
|
|
2421 |
if ((pData->bRunning) || (pData->bReading))
|
|
2422 |
{ /* are we expecting this call ? */
|
|
2423 |
if ((pData->bTimerset) || (pData->bSuspended) || (pData->bSectionwait))
|
|
2424 |
{
|
|
2425 |
pData->bTimerset = MNG_FALSE; /* reset the flags */
|
|
2426 |
pData->bSectionwait = MNG_FALSE;
|
|
2427 |
|
|
2428 |
#ifdef MNG_SUPPORT_READ
|
|
2429 |
if (pData->bReading) /* set during read&display ? */
|
|
2430 |
{
|
|
2431 |
if (pData->bSuspended) /* calculate proper synchronization */
|
|
2432 |
pData->iSynctime = pData->iSynctime - pData->iSuspendtime +
|
|
2433 |
pData->fGettickcount (hHandle);
|
|
2434 |
else
|
|
2435 |
pData->iSynctime = pData->fGettickcount (hHandle);
|
|
2436 |
|
|
2437 |
pData->bSuspended = MNG_FALSE; /* now reset this flag */
|
|
2438 |
/* and continue reading */
|
|
2439 |
iRetcode = mng_read_graphic (pData);
|
|
2440 |
|
|
2441 |
if (pData->bEOF) /* already at EOF ? */
|
|
2442 |
{
|
|
2443 |
pData->bReading = MNG_FALSE; /* then we're no longer reading */
|
|
2444 |
/* drop invalidly stored objects */
|
|
2445 |
mng_drop_invalid_objects (pData);
|
|
2446 |
}
|
|
2447 |
}
|
|
2448 |
else
|
|
2449 |
#endif /* MNG_SUPPORT_READ */
|
|
2450 |
{ /* synchronize timing */
|
|
2451 |
pData->iSynctime = pData->fGettickcount (hHandle);
|
|
2452 |
/* resume display processing */
|
|
2453 |
iRetcode = mng_process_display (pData);
|
|
2454 |
}
|
|
2455 |
}
|
|
2456 |
else
|
|
2457 |
{
|
|
2458 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2459 |
}
|
|
2460 |
}
|
|
2461 |
else
|
|
2462 |
{ /* synchronize timing */
|
|
2463 |
pData->iSynctime = pData->fGettickcount (hHandle);
|
|
2464 |
pData->bRunning = MNG_TRUE; /* it's restarted again ! */
|
|
2465 |
/* resume display processing */
|
|
2466 |
iRetcode = mng_process_display (pData);
|
|
2467 |
}
|
|
2468 |
|
|
2469 |
if (iRetcode) /* on error bail out */
|
|
2470 |
return iRetcode;
|
|
2471 |
|
|
2472 |
if (pData->bSuspended) /* read suspension ? */
|
|
2473 |
{
|
|
2474 |
iRetcode = MNG_NEEDMOREDATA;
|
|
2475 |
pData->iSuspendtime = pData->fGettickcount ((mng_handle)pData);
|
|
2476 |
}
|
|
2477 |
else
|
|
2478 |
if (pData->bTimerset) /* indicate timer break ? */
|
|
2479 |
iRetcode = MNG_NEEDTIMERWAIT;
|
|
2480 |
else
|
|
2481 |
if (pData->bSectionwait) /* indicate section break ? */
|
|
2482 |
iRetcode = MNG_NEEDSECTIONWAIT;
|
|
2483 |
else
|
|
2484 |
{ /* no breaks = end of run */
|
|
2485 |
pData->bRunning = MNG_FALSE;
|
|
2486 |
|
|
2487 |
if (pData->bFreezing) /* trying to freeze ? */
|
|
2488 |
pData->bFreezing = MNG_FALSE; /* then we're there */
|
|
2489 |
|
|
2490 |
if (pData->bResetting) /* trying to reset as well ? */
|
|
2491 |
{ /* full stop!!! */
|
|
2492 |
pData->bDisplaying = MNG_FALSE;
|
|
2493 |
|
|
2494 |
iRetcode = mng_reset_rundata (pData);
|
|
2495 |
|
|
2496 |
if (iRetcode) /* on error bail out */
|
|
2497 |
return iRetcode;
|
|
2498 |
}
|
|
2499 |
}
|
|
2500 |
|
|
2501 |
#ifdef MNG_SUPPORT_TRACE
|
|
2502 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_RESUME, MNG_LC_END);
|
|
2503 |
#endif
|
|
2504 |
|
|
2505 |
return iRetcode;
|
|
2506 |
}
|
|
2507 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2508 |
|
|
2509 |
/* ************************************************************************** */
|
|
2510 |
|
|
2511 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2512 |
mng_retcode MNG_DECL mng_display_freeze (mng_handle hHandle)
|
|
2513 |
{
|
|
2514 |
mng_datap pData;
|
|
2515 |
|
|
2516 |
#ifdef MNG_SUPPORT_TRACE
|
|
2517 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_FREEZE, MNG_LC_START);
|
|
2518 |
#endif
|
|
2519 |
|
|
2520 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2521 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2522 |
/* can we expect this call ? */
|
|
2523 |
if ((!pData->bDisplaying) || (pData->bReading))
|
|
2524 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2525 |
|
|
2526 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2527 |
|
|
2528 |
if (pData->bRunning) /* is it running ? */
|
|
2529 |
{
|
|
2530 |
mng_retcode iRetcode;
|
|
2531 |
|
|
2532 |
pData->bFreezing = MNG_TRUE; /* indicate we need to freeze */
|
|
2533 |
/* continue "normal" processing */
|
|
2534 |
iRetcode = mng_display_resume (hHandle);
|
|
2535 |
|
|
2536 |
if (iRetcode) /* on error bail out */
|
|
2537 |
return iRetcode;
|
|
2538 |
}
|
|
2539 |
|
|
2540 |
#ifdef MNG_SUPPORT_TRACE
|
|
2541 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_FREEZE, MNG_LC_END);
|
|
2542 |
#endif
|
|
2543 |
|
|
2544 |
return MNG_NOERROR;
|
|
2545 |
}
|
|
2546 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2547 |
|
|
2548 |
/* ************************************************************************** */
|
|
2549 |
|
|
2550 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2551 |
mng_retcode MNG_DECL mng_display_reset (mng_handle hHandle)
|
|
2552 |
{
|
|
2553 |
mng_datap pData;
|
|
2554 |
mng_retcode iRetcode;
|
|
2555 |
|
|
2556 |
#ifdef MNG_SUPPORT_TRACE
|
|
2557 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_RESET, MNG_LC_START);
|
|
2558 |
#endif
|
|
2559 |
|
|
2560 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2561 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2562 |
/* can we expect this call ? */
|
|
2563 |
if ((!pData->bDisplaying) || (pData->bReading))
|
|
2564 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2565 |
|
|
2566 |
if (!pData->bCacheplayback) /* must store playback info to work!! */
|
|
2567 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2568 |
|
|
2569 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2570 |
|
|
2571 |
if (pData->bRunning) /* is it running ? */
|
|
2572 |
{
|
|
2573 |
pData->bFreezing = MNG_TRUE; /* indicate we need to freeze */
|
|
2574 |
pData->bResetting = MNG_TRUE; /* indicate we're about to reset too */
|
|
2575 |
/* continue normal processing ? */
|
|
2576 |
iRetcode = mng_display_resume (hHandle);
|
|
2577 |
|
|
2578 |
if (iRetcode) /* on error bail out */
|
|
2579 |
return iRetcode;
|
|
2580 |
}
|
|
2581 |
else
|
|
2582 |
{ /* full stop!!! */
|
|
2583 |
pData->bDisplaying = MNG_FALSE;
|
|
2584 |
|
|
2585 |
iRetcode = mng_reset_rundata (pData);
|
|
2586 |
|
|
2587 |
if (iRetcode) /* on error bail out */
|
|
2588 |
return iRetcode;
|
|
2589 |
}
|
|
2590 |
|
|
2591 |
#ifdef MNG_SUPPORT_TRACE
|
|
2592 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_RESET, MNG_LC_END);
|
|
2593 |
#endif
|
|
2594 |
|
|
2595 |
return MNG_NOERROR;
|
|
2596 |
}
|
|
2597 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2598 |
|
|
2599 |
/* ************************************************************************** */
|
|
2600 |
|
|
2601 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2602 |
#ifndef MNG_NO_DISPLAY_GO_SUPPORTED
|
|
2603 |
mng_retcode MNG_DECL mng_display_goframe (mng_handle hHandle,
|
|
2604 |
mng_uint32 iFramenr)
|
|
2605 |
{
|
|
2606 |
mng_datap pData;
|
|
2607 |
mng_retcode iRetcode;
|
|
2608 |
|
|
2609 |
#ifdef MNG_SUPPORT_TRACE
|
|
2610 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOFRAME, MNG_LC_START);
|
|
2611 |
#endif
|
|
2612 |
|
|
2613 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2614 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2615 |
|
|
2616 |
if (pData->eImagetype != mng_it_mng) /* is it an animation ? */
|
|
2617 |
MNG_ERROR (pData, MNG_NOTANANIMATION);
|
|
2618 |
/* can we expect this call ? */
|
|
2619 |
if ((!pData->bDisplaying) || (pData->bRunning))
|
|
2620 |
MNG_ERROR ((mng_datap)hHandle, MNG_FUNCTIONINVALID);
|
|
2621 |
|
|
2622 |
if (!pData->bCacheplayback) /* must store playback info to work!! */
|
|
2623 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2624 |
|
|
2625 |
if (iFramenr > pData->iTotalframes) /* is the parameter within bounds ? */
|
|
2626 |
MNG_ERROR (pData, MNG_FRAMENRTOOHIGH);
|
|
2627 |
/* within MHDR bounds ? */
|
|
2628 |
if ((pData->iFramecount) && (iFramenr > pData->iFramecount))
|
|
2629 |
MNG_WARNING (pData, MNG_FRAMENRTOOHIGH);
|
|
2630 |
|
|
2631 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2632 |
|
|
2633 |
if (pData->iFrameseq > iFramenr) /* search from current or go back to start ? */
|
|
2634 |
{
|
|
2635 |
iRetcode = mng_reset_rundata (pData);
|
|
2636 |
if (iRetcode) /* on error bail out */
|
|
2637 |
return iRetcode;
|
|
2638 |
}
|
|
2639 |
|
|
2640 |
if (iFramenr)
|
|
2641 |
{
|
|
2642 |
pData->iRequestframe = iFramenr; /* go find the requested frame then */
|
|
2643 |
iRetcode = mng_process_display (pData);
|
|
2644 |
|
|
2645 |
if (iRetcode) /* on error bail out */
|
|
2646 |
return iRetcode;
|
|
2647 |
|
|
2648 |
pData->bTimerset = MNG_FALSE; /* reset just to be safe */
|
|
2649 |
}
|
|
2650 |
|
|
2651 |
#ifdef MNG_SUPPORT_TRACE
|
|
2652 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOFRAME, MNG_LC_END);
|
|
2653 |
#endif
|
|
2654 |
|
|
2655 |
return MNG_NOERROR;
|
|
2656 |
}
|
|
2657 |
#endif
|
|
2658 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2659 |
|
|
2660 |
/* ************************************************************************** */
|
|
2661 |
|
|
2662 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2663 |
#ifndef MNG_NO_DISPLAY_GO_SUPPORTED
|
|
2664 |
mng_retcode MNG_DECL mng_display_golayer (mng_handle hHandle,
|
|
2665 |
mng_uint32 iLayernr)
|
|
2666 |
{
|
|
2667 |
mng_datap pData;
|
|
2668 |
mng_retcode iRetcode;
|
|
2669 |
|
|
2670 |
#ifdef MNG_SUPPORT_TRACE
|
|
2671 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOLAYER, MNG_LC_START);
|
|
2672 |
#endif
|
|
2673 |
|
|
2674 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2675 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2676 |
|
|
2677 |
if (pData->eImagetype != mng_it_mng) /* is it an animation ? */
|
|
2678 |
MNG_ERROR (pData, MNG_NOTANANIMATION);
|
|
2679 |
/* can we expect this call ? */
|
|
2680 |
if ((!pData->bDisplaying) || (pData->bRunning))
|
|
2681 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2682 |
|
|
2683 |
if (!pData->bCacheplayback) /* must store playback info to work!! */
|
|
2684 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2685 |
|
|
2686 |
if (iLayernr > pData->iTotallayers) /* is the parameter within bounds ? */
|
|
2687 |
MNG_ERROR (pData, MNG_LAYERNRTOOHIGH);
|
|
2688 |
/* within MHDR bounds ? */
|
|
2689 |
if ((pData->iLayercount) && (iLayernr > pData->iLayercount))
|
|
2690 |
MNG_WARNING (pData, MNG_LAYERNRTOOHIGH);
|
|
2691 |
|
|
2692 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2693 |
|
|
2694 |
if (pData->iLayerseq > iLayernr) /* search from current or go back to start ? */
|
|
2695 |
{
|
|
2696 |
iRetcode = mng_reset_rundata (pData);
|
|
2697 |
if (iRetcode) /* on error bail out */
|
|
2698 |
return iRetcode;
|
|
2699 |
}
|
|
2700 |
|
|
2701 |
if (iLayernr)
|
|
2702 |
{
|
|
2703 |
pData->iRequestlayer = iLayernr; /* go find the requested layer then */
|
|
2704 |
iRetcode = mng_process_display (pData);
|
|
2705 |
|
|
2706 |
if (iRetcode) /* on error bail out */
|
|
2707 |
return iRetcode;
|
|
2708 |
|
|
2709 |
pData->bTimerset = MNG_FALSE; /* reset just to be safe */
|
|
2710 |
}
|
|
2711 |
|
|
2712 |
#ifdef MNG_SUPPORT_TRACE
|
|
2713 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOLAYER, MNG_LC_END);
|
|
2714 |
#endif
|
|
2715 |
|
|
2716 |
return MNG_NOERROR;
|
|
2717 |
}
|
|
2718 |
#endif
|
|
2719 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2720 |
|
|
2721 |
/* ************************************************************************** */
|
|
2722 |
|
|
2723 |
#ifdef MNG_SUPPORT_DISPLAY
|
|
2724 |
#ifndef MNG_NO_DISPLAY_GO_SUPPORTED
|
|
2725 |
mng_retcode MNG_DECL mng_display_gotime (mng_handle hHandle,
|
|
2726 |
mng_uint32 iPlaytime)
|
|
2727 |
{
|
|
2728 |
mng_datap pData;
|
|
2729 |
mng_retcode iRetcode;
|
|
2730 |
|
|
2731 |
#ifdef MNG_SUPPORT_TRACE
|
|
2732 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOTIME, MNG_LC_START);
|
|
2733 |
#endif
|
|
2734 |
|
|
2735 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2736 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2737 |
|
|
2738 |
if (pData->eImagetype != mng_it_mng) /* is it an animation ? */
|
|
2739 |
MNG_ERROR (pData, MNG_NOTANANIMATION);
|
|
2740 |
/* can we expect this call ? */
|
|
2741 |
if ((!pData->bDisplaying) || (pData->bRunning))
|
|
2742 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2743 |
|
|
2744 |
if (!pData->bCacheplayback) /* must store playback info to work!! */
|
|
2745 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2746 |
/* is the parameter within bounds ? */
|
|
2747 |
if (iPlaytime > pData->iTotalplaytime)
|
|
2748 |
MNG_ERROR (pData, MNG_PLAYTIMETOOHIGH);
|
|
2749 |
/* within MHDR bounds ? */
|
|
2750 |
if ((pData->iPlaytime) && (iPlaytime > pData->iPlaytime))
|
|
2751 |
MNG_WARNING (pData, MNG_PLAYTIMETOOHIGH);
|
|
2752 |
|
|
2753 |
cleanup_errors (pData); /* cleanup previous errors */
|
|
2754 |
|
|
2755 |
if (pData->iFrametime > iPlaytime) /* search from current or go back to start ? */
|
|
2756 |
{
|
|
2757 |
iRetcode = mng_reset_rundata (pData);
|
|
2758 |
if (iRetcode) /* on error bail out */
|
|
2759 |
return iRetcode;
|
|
2760 |
}
|
|
2761 |
|
|
2762 |
if (iPlaytime)
|
|
2763 |
{
|
|
2764 |
pData->iRequesttime = iPlaytime; /* go find the requested playtime then */
|
|
2765 |
iRetcode = mng_process_display (pData);
|
|
2766 |
|
|
2767 |
if (iRetcode) /* on error bail out */
|
|
2768 |
return iRetcode;
|
|
2769 |
|
|
2770 |
pData->bTimerset = MNG_FALSE; /* reset just to be safe */
|
|
2771 |
}
|
|
2772 |
|
|
2773 |
#ifdef MNG_SUPPORT_TRACE
|
|
2774 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOTIME, MNG_LC_END);
|
|
2775 |
#endif
|
|
2776 |
|
|
2777 |
return MNG_NOERROR;
|
|
2778 |
}
|
|
2779 |
#endif
|
|
2780 |
#endif /* MNG_SUPPORT_DISPLAY */
|
|
2781 |
|
|
2782 |
/* ************************************************************************** */
|
|
2783 |
|
|
2784 |
#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_SUPPORT_DYNAMICMNG)
|
|
2785 |
mng_retcode MNG_DECL mng_trapevent (mng_handle hHandle,
|
|
2786 |
mng_uint8 iEventtype,
|
|
2787 |
mng_int32 iX,
|
|
2788 |
mng_int32 iY)
|
|
2789 |
{
|
|
2790 |
mng_datap pData;
|
|
2791 |
mng_eventp pEvent;
|
|
2792 |
mng_bool bFound = MNG_FALSE;
|
|
2793 |
mng_retcode iRetcode;
|
|
2794 |
mng_imagep pImage;
|
|
2795 |
mng_uint8p pPixel;
|
|
2796 |
|
|
2797 |
#ifdef MNG_SUPPORT_TRACE
|
|
2798 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_TRAPEVENT, MNG_LC_START);
|
|
2799 |
#endif
|
|
2800 |
|
|
2801 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2802 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2803 |
|
|
2804 |
if (pData->eImagetype != mng_it_mng) /* is it an animation ? */
|
|
2805 |
MNG_ERROR (pData, MNG_NOTANANIMATION);
|
|
2806 |
|
|
2807 |
if (!pData->bDisplaying) /* can we expect this call ? */
|
|
2808 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2809 |
|
|
2810 |
if (!pData->bCacheplayback) /* must store playback info to work!! */
|
|
2811 |
MNG_ERROR (pData, MNG_FUNCTIONINVALID);
|
|
2812 |
/* let's find a matching event object */
|
|
2813 |
pEvent = (mng_eventp)pData->pFirstevent;
|
|
2814 |
|
|
2815 |
while ((pEvent) && (!bFound))
|
|
2816 |
{ /* matching eventtype ? */
|
|
2817 |
if (pEvent->iEventtype == iEventtype)
|
|
2818 |
{
|
|
2819 |
switch (pEvent->iMasktype) /* check X/Y on basis of masktype */
|
|
2820 |
{
|
|
2821 |
case MNG_MASK_NONE : /* no mask is easy */
|
|
2822 |
{
|
|
2823 |
bFound = MNG_TRUE;
|
|
2824 |
break;
|
|
2825 |
}
|
|
2826 |
|
|
2827 |
case MNG_MASK_BOX : /* inside the given box ? */
|
|
2828 |
{ /* right- and bottom-border don't count ! */
|
|
2829 |
if ((iX >= pEvent->iLeft) && (iX < pEvent->iRight) &&
|
|
2830 |
(iY >= pEvent->iTop) && (iY < pEvent->iBottom))
|
|
2831 |
bFound = MNG_TRUE;
|
|
2832 |
break;
|
|
2833 |
}
|
|
2834 |
|
|
2835 |
case MNG_MASK_OBJECT : /* non-zero pixel in the image object ? */
|
|
2836 |
{
|
|
2837 |
pImage = mng_find_imageobject (pData, pEvent->iObjectid);
|
|
2838 |
/* valid image ? */
|
|
2839 |
if ((pImage) && (pImage->pImgbuf->iBitdepth <= 8) &&
|
|
2840 |
((pImage->pImgbuf->iColortype == 0) || (pImage->pImgbuf->iColortype == 3)) &&
|
|
2841 |
((mng_int32)pImage->pImgbuf->iWidth > iX) &&
|
|
2842 |
((mng_int32)pImage->pImgbuf->iHeight > iY))
|
|
2843 |
{
|
|
2844 |
pPixel = pImage->pImgbuf->pImgdata + ((pImage->pImgbuf->iWidth * iY) + iX);
|
|
2845 |
|
|
2846 |
if (*pPixel) /* non-zero ? */
|
|
2847 |
bFound = MNG_TRUE;
|
|
2848 |
}
|
|
2849 |
|
|
2850 |
break;
|
|
2851 |
}
|
|
2852 |
|
|
2853 |
case MNG_MASK_OBJECTIX : /* pixel in the image object matches index ? */
|
|
2854 |
{
|
|
2855 |
pImage = mng_find_imageobject (pData, pEvent->iObjectid);
|
|
2856 |
/* valid image ? */
|
|
2857 |
if ((pImage) && (pImage->pImgbuf->iBitdepth <= 8) &&
|
|
2858 |
((pImage->pImgbuf->iColortype == 0) || (pImage->pImgbuf->iColortype == 3)) &&
|
|
2859 |
((mng_int32)pImage->pImgbuf->iWidth > iX) && (iX >= 0) &&
|
|
2860 |
((mng_int32)pImage->pImgbuf->iHeight > iY) && (iY >= 0))
|
|
2861 |
{
|
|
2862 |
pPixel = pImage->pImgbuf->pImgdata + ((pImage->pImgbuf->iWidth * iY) + iX);
|
|
2863 |
/* matching index ? */
|
|
2864 |
if (*pPixel == pEvent->iIndex)
|
|
2865 |
bFound = MNG_TRUE;
|
|
2866 |
}
|
|
2867 |
|
|
2868 |
break;
|
|
2869 |
}
|
|
2870 |
|
|
2871 |
case MNG_MASK_BOXOBJECT : /* non-zero pixel in the image object ? */
|
|
2872 |
{
|
|
2873 |
mng_int32 iTempx = iX - pEvent->iLeft;
|
|
2874 |
mng_int32 iTempy = iY - pEvent->iTop;
|
|
2875 |
|
|
2876 |
pImage = mng_find_imageobject (pData, pEvent->iObjectid);
|
|
2877 |
/* valid image ? */
|
|
2878 |
if ((pImage) && (pImage->pImgbuf->iBitdepth <= 8) &&
|
|
2879 |
((pImage->pImgbuf->iColortype == 0) || (pImage->pImgbuf->iColortype == 3)) &&
|
|
2880 |
(iTempx < (mng_int32)pImage->pImgbuf->iWidth) &&
|
|
2881 |
(iTempx >= 0) && (iX < pEvent->iRight) &&
|
|
2882 |
(iTempy < (mng_int32)pImage->pImgbuf->iHeight) &&
|
|
2883 |
(iTempy >= 0) && (iY < pEvent->iBottom))
|
|
2884 |
{
|
|
2885 |
pPixel = pImage->pImgbuf->pImgdata + ((pImage->pImgbuf->iWidth * iTempy) + iTempx);
|
|
2886 |
|
|
2887 |
if (*pPixel) /* non-zero ? */
|
|
2888 |
bFound = MNG_TRUE;
|
|
2889 |
}
|
|
2890 |
|
|
2891 |
break;
|
|
2892 |
}
|
|
2893 |
|
|
2894 |
case MNG_MASK_BOXOBJECTIX : /* pixel in the image object matches index ? */
|
|
2895 |
{
|
|
2896 |
mng_int32 iTempx = iX - pEvent->iLeft;
|
|
2897 |
mng_int32 iTempy = iY - pEvent->iTop;
|
|
2898 |
|
|
2899 |
pImage = mng_find_imageobject (pData, pEvent->iObjectid);
|
|
2900 |
/* valid image ? */
|
|
2901 |
if ((pImage) && (pImage->pImgbuf->iBitdepth <= 8) &&
|
|
2902 |
((pImage->pImgbuf->iColortype == 0) || (pImage->pImgbuf->iColortype == 3)) &&
|
|
2903 |
(iTempx < (mng_int32)pImage->pImgbuf->iWidth) &&
|
|
2904 |
(iTempx >= 0) && (iX < pEvent->iRight) &&
|
|
2905 |
(iTempy < (mng_int32)pImage->pImgbuf->iHeight) &&
|
|
2906 |
(iTempy >= 0) && (iY < pEvent->iBottom))
|
|
2907 |
{
|
|
2908 |
pPixel = pImage->pImgbuf->pImgdata + ((pImage->pImgbuf->iWidth * iTempy) + iTempx);
|
|
2909 |
/* matching index ? */
|
|
2910 |
if (*pPixel == pEvent->iIndex)
|
|
2911 |
bFound = MNG_TRUE;
|
|
2912 |
}
|
|
2913 |
|
|
2914 |
break;
|
|
2915 |
}
|
|
2916 |
|
|
2917 |
}
|
|
2918 |
}
|
|
2919 |
|
|
2920 |
if (!bFound) /* try the next one */
|
|
2921 |
pEvent = (mng_eventp)pEvent->sHeader.pNext;
|
|
2922 |
}
|
|
2923 |
/* found one that's not the last mousemove ? */
|
|
2924 |
if ((pEvent) && ((mng_objectp)pEvent != pData->pLastmousemove))
|
|
2925 |
{ /* can we start an event process now ? */
|
|
2926 |
if ((!pData->bReading) && (!pData->bRunning))
|
|
2927 |
{
|
|
2928 |
pData->iEventx = iX; /* save coordinates */
|
|
2929 |
pData->iEventy = iY;
|
|
2930 |
/* do it then ! */
|
|
2931 |
iRetcode = pEvent->sHeader.fProcess (pData, pEvent);
|
|
2932 |
|
|
2933 |
if (iRetcode) /* on error bail out */
|
|
2934 |
return iRetcode;
|
|
2935 |
/* remember last mousemove event */
|
|
2936 |
if (pEvent->iEventtype == MNG_EVENT_MOUSEMOVE)
|
|
2937 |
pData->pLastmousemove = (mng_objectp)pEvent;
|
|
2938 |
else
|
|
2939 |
pData->pLastmousemove = MNG_NULL;
|
|
2940 |
}
|
|
2941 |
else
|
|
2942 |
{
|
|
2943 |
|
|
2944 |
/* TODO: store unprocessed events or not ??? */
|
|
2945 |
|
|
2946 |
}
|
|
2947 |
}
|
|
2948 |
|
|
2949 |
#ifdef MNG_SUPPORT_TRACE
|
|
2950 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_TRAPEVENT, MNG_LC_END);
|
|
2951 |
#endif
|
|
2952 |
|
|
2953 |
return MNG_NOERROR;
|
|
2954 |
}
|
|
2955 |
#endif
|
|
2956 |
|
|
2957 |
/* ************************************************************************** */
|
|
2958 |
|
|
2959 |
mng_retcode MNG_DECL mng_getlasterror (mng_handle hHandle,
|
|
2960 |
mng_int8* iSeverity,
|
|
2961 |
mng_chunkid* iChunkname,
|
|
2962 |
mng_uint32* iChunkseq,
|
|
2963 |
mng_int32* iExtra1,
|
|
2964 |
mng_int32* iExtra2,
|
|
2965 |
mng_pchar* zErrortext)
|
|
2966 |
{
|
|
2967 |
mng_datap pData; /* local vars */
|
|
2968 |
|
|
2969 |
#ifdef MNG_SUPPORT_TRACE
|
|
2970 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETLASTERROR, MNG_LC_START);
|
|
2971 |
#endif
|
|
2972 |
|
|
2973 |
MNG_VALIDHANDLE (hHandle) /* check validity handle */
|
|
2974 |
pData = ((mng_datap)hHandle); /* and make it addressable */
|
|
2975 |
|
|
2976 |
*iSeverity = pData->iSeverity; /* return the appropriate fields */
|
|
2977 |
|
|
2978 |
#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE)
|
|
2979 |
*iChunkname = pData->iChunkname;
|
|
2980 |
*iChunkseq = pData->iChunkseq;
|
|
2981 |
#else
|
|
2982 |
*iChunkname = MNG_UINT_HUH;
|
|
2983 |
*iChunkseq = 0;
|
|
2984 |
#endif
|
|
2985 |
|
|
2986 |
*iExtra1 = pData->iErrorx1;
|
|
2987 |
*iExtra2 = pData->iErrorx2;
|
|
2988 |
*zErrortext = pData->zErrortext;
|
|
2989 |
|
|
2990 |
#ifdef MNG_SUPPORT_TRACE
|
|
2991 |
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETLASTERROR, MNG_LC_END);
|
|
2992 |
#endif
|
|
2993 |
|
|
2994 |
return pData->iErrorcode; /* and the errorcode */
|
|
2995 |
}
|
|
2996 |
|
|
2997 |
/* ************************************************************************** */
|
|
2998 |
/* * end of file * */
|
|
2999 |
/* ************************************************************************** */
|
|
3000 |
|
|
3001 |
|