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by Luis Arocha
New Maintainer (closes: #127702). |
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/* ************************************************************************** */
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/* * For conditions of distribution and use, * */
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/* * see copyright notice in libmng.h * */
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/* ************************************************************************** */
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/* * * */
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/* * project : libmng * */
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/* * file : libmng_display.c copyright (c) 2000 G.Juyn * */
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/* * version : 1.0.2 * */
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/* * * */
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/* * purpose : Display management (implementation) * */
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/* * * */
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/* * author : G.Juyn * */
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/* * web : http://www.3-t.com * */
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/* * email : mailto:info@3-t.com * */
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/* * * */
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/* * comment : implementation of the display management routines * */
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/* * * */
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/* * changes : 0.5.1 - 05/08/2000 - G.Juyn * */
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/* * - changed strict-ANSI stuff * */
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/* * 0.5.1 - 05/11/2000 - G.Juyn * */
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/* * - added callback error-reporting support * */
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/* * - fixed frame_delay misalignment * */
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/* * 0.5.1 - 05/12/2000 - G.Juyn * */
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/* * - added sanity check for frozen status * */
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/* * - changed trace to macro for callback error-reporting * */
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/* * 0.5.1 - 05/13/2000 - G.Juyn * */
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/* * - changed display_mend to reset state to initial or SAVE * */
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/* * - added eMNGma hack (will be removed in 1.0.0 !!!) * */
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/* * - added TERM animation object pointer (easier reference) * */
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/* * - added process_save & process_seek routines * */
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/* * 0.5.1 - 05/14/2000 - G.Juyn * */
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/* * - added save_state and restore_state for SAVE/SEEK/TERM * */
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/* * processing * */
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/* * * */
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/* * 0.5.2 - 05/20/2000 - G.Juyn * */
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/* * - added JNG support (JHDR/JDAT) * */
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/* * 0.5.2 - 05/23/2000 - G.Juyn * */
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/* * - fixed problem with DEFI clipping * */
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/* * 0.5.2 - 05/30/2000 - G.Juyn * */
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/* * - added delta-image support (DHDR,PROM,IPNG,IJNG) * */
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/* * 0.5.2 - 05/31/2000 - G.Juyn * */
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/* * - fixed pointer confusion (contributed by Tim Rowley) * */
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/* * 0.5.2 - 06/03/2000 - G.Juyn * */
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/* * - fixed makeup for Linux gcc compile * */
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/* * 0.5.2 - 06/05/2000 - G.Juyn * */
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/* * - added support for RGB8_A8 canvasstyle * */
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/* * 0.5.2 - 06/09/2000 - G.Juyn * */
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/* * - fixed timer-handling to run with Mozilla (Tim Rowley) * */
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/* * 0.5.2 - 06/10/2000 - G.Juyn * */
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/* * - fixed some compilation-warnings (contrib Jason Morris) * */
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/* * * */
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/* * 0.5.3 - 06/12/2000 - G.Juyn * */
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/* * - fixed display of stored JNG images * */
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/* * 0.5.3 - 06/13/2000 - G.Juyn * */
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/* * - fixed problem with BASI-IEND as object 0 * */
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/* * 0.5.3 - 06/16/2000 - G.Juyn * */
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/* * - changed progressive-display processing * */
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/* * 0.5.3 - 06/17/2000 - G.Juyn * */
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/* * - changed delta-image processing * */
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/* * 0.5.3 - 06/20/2000 - G.Juyn * */
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/* * - fixed some minor stuff * */
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/* * 0.5.3 - 06/21/2000 - G.Juyn * */
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/* * - added speed-modifier to timing routine * */
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/* * 0.5.3 - 06/22/2000 - G.Juyn * */
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/* * - added support for PPLT chunk processing * */
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/* * 0.5.3 - 06/29/2000 - G.Juyn * */
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/* * - swapped refresh parameters * */
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/* * * */
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/* * 0.9.0 - 06/30/2000 - G.Juyn * */
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/* * - changed refresh parameters to 'x,y,width,height' * */
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/* * * */
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/* * 0.9.1 - 07/07/2000 - G.Juyn * */
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/* * - implemented support for freeze/reset/resume & go_xxxx * */
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/* * 0.9.1 - 07/08/2000 - G.Juyn * */
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/* * - added support for improved timing * */
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/* * 0.9.1 - 07/14/2000 - G.Juyn * */
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/* * - changed EOF processing behavior * */
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/* * - fixed TERM delay processing * */
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/* * 0.9.1 - 07/15/2000 - G.Juyn * */
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/* * - fixed freeze & reset processing * */
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/* * 0.9.1 - 07/16/2000 - G.Juyn * */
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/* * - fixed storage of images during mng_read() * */
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/* * - fixed support for mng_display() after mng_read() * */
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/* * 0.9.1 - 07/24/2000 - G.Juyn * */
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/* * - fixed reading of still-images * */
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/* * * */
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/* * 0.9.2 - 08/05/2000 - G.Juyn * */
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/* * - changed file-prefixes * */
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/* * * */
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/* * 0.9.3 - 08/07/2000 - G.Juyn * */
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/* * - B111300 - fixup for improved portability * */
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/* * 0.9.3 - 08/21/2000 - G.Juyn * */
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/* * - fixed TERM processing delay of 0 msecs * */
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/* * 0.9.3 - 08/26/2000 - G.Juyn * */
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/* * - added MAGN chunk * */
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/* * 0.9.3 - 09/10/2000 - G.Juyn * */
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/* * - fixed problem with no refresh after TERM * */
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/* * - fixed DEFI behavior * */
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/* * 0.9.3 - 09/16/2000 - G.Juyn * */
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/* * - fixed timing & refresh behavior for single PNG/JNG * */
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/* * 0.9.3 - 09/19/2000 - G.Juyn * */
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/* * - refixed timing & refresh behavior for single PNG/JNG * */
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/* * 0.9.3 - 10/02/2000 - G.Juyn * */
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/* * - fixed timing again (this is getting boring...) * */
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/* * - refixed problem with no refresh after TERM * */
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/* * 0.9.3 - 10/16/2000 - G.Juyn * */
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/* * - added JDAA chunk * */
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/* * 0.9.3 - 10/17/2000 - G.Juyn * */
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/* * - fixed support for bKGD * */
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/* * 0.9.3 - 10/18/2000 - G.Juyn * */
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/* * - fixed delta-processing behavior * */
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/* * 0.9.3 - 10/19/2000 - G.Juyn * */
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/* * - added storage for pixel-/alpha-sampledepth for delta's * */
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/* * 0.9.3 - 10/27/2000 - G.Juyn * */
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/* * - fixed seperate read() & display() processing * */
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/* * * */
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/* * 0.9.4 - 10/31/2000 - G.Juyn * */
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/* * - fixed possible loop in display_resume() (Thanks Vova!) * */
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/* * 0.9.4 - 11/20/2000 - G.Juyn * */
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/* * - fixed unwanted repetition in mng_readdisplay() * */
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/* * 0.9.4 - 11/24/2000 - G.Juyn * */
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/* * - moved restore of object 0 to libmng_display * */
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/* * - added restore of object 0 to TERM processing !!! * */
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/* * - fixed TERM delay processing * */
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/* * - fixed TERM end processing (count = 0) * */
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/* * 0.9.4 - 12/16/2000 - G.Juyn * */
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/* * - fixed mixup of data- & function-pointers (thanks Dimitri)* */
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/* * 0.9.4 - 1/18/2001 - G.Juyn * */
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/* * - removed test filter-methods 1 & 65 * */
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/* * - set default level-set for filtertype=64 to all zeroes * */
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/* * * */
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/* * 0.9.5 - 1/20/2001 - G.Juyn * */
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/* * - fixed compiler-warnings Mozilla (thanks Tim) * */
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/* * 0.9.5 - 1/23/2001 - G.Juyn * */
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/* * - fixed timing-problem with switching framing_modes * */
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/* * * */
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/* * 1.0.1 - 02/08/2001 - G.Juyn * */
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/* * - added MEND processing callback * */
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/* * 1.0.1 - 02/13/2001 - G.Juyn * */
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/* * - fixed first FRAM_MODE=4 timing problem * */
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/* * 1.0.1 - 04/21/2001 - G.Juyn * */
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/* * - fixed memory-leak for JNGs with alpha (Thanks Gregg!) * */
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/* * - added BGRA8 canvas with premultiplied alpha * */
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/* * * */
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/* * 1.0.2 - 06/25/2001 - G.Juyn * */
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/* * - fixed memory-leak with delta-images (Thanks Michael!) * */
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/* * * */
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/* ************************************************************************** */
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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_memory.h" |
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#include "libmng_zlib.h" |
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#include "libmng_jpeg.h" |
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#include "libmng_cms.h" |
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#include "libmng_pixels.h" |
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#include "libmng_display.h" |
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#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
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#pragma option -A /* force ANSI-C */ |
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#endif
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/* ************************************************************************** */
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#ifdef MNG_INCLUDE_DISPLAY_PROCS
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/* ************************************************************************** */
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mng_retcode set_delay (mng_datap pData, |
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mng_uint32 iInterval) |
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{
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if (!iInterval) /* at least 1 msec please! */ |
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iInterval = 1; |
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if (!pData->fSettimer ((mng_handle)pData, iInterval)) |
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MNG_ERROR (pData, MNG_APPTIMERERROR) |
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pData->bTimerset = MNG_TRUE; /* and indicate so */ |
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return MNG_NOERROR; |
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}
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/* ************************************************************************** */
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/* * * */
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/* * Progressive display refresh - does the call to the refresh callback * */
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/* * and sets the timer to allow the app to perform the actual refresh to * */
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/* * the screen (eg. process its main message-loop) * */
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/* * * */
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/* ************************************************************************** */
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mng_retcode display_progressive_refresh (mng_datap pData, |
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mng_uint32 iInterval) |
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{
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if (!pData->bSearching) /* we mustn't be searching !!! */ |
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{
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if ((pData->bRunning) && /* let the app refresh first ? */ |
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(pData->iUpdatetop < pData->iUpdatebottom) && (pData->iUpdateleft < pData->iUpdateright)) |
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{
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if (!pData->fRefresh (((mng_handle)pData), |
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pData->iUpdateleft, pData->iUpdatetop, |
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pData->iUpdateright - pData->iUpdateleft, |
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pData->iUpdatebottom - pData->iUpdatetop)) |
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MNG_ERROR (pData, MNG_APPMISCERROR) |
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pData->iUpdateleft = 0; /* reset update-region */ |
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pData->iUpdateright = 0; |
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pData->iUpdatetop = 0; |
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pData->iUpdatebottom = 0; /* reset refreshneeded indicator */ |
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pData->bNeedrefresh = MNG_FALSE; |
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/* interval requested ? */
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if ((!pData->bFreezing) && (iInterval)) |
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{ /* setup the timer */ |
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mng_retcode iRetcode = set_delay (pData, iInterval); |
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if (iRetcode) /* on error bail out */ |
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return iRetcode; |
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}
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}
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}
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return MNG_NOERROR; |
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}
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/* ************************************************************************** */
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/* * * */
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/* * Generic display routines * */
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/* * * */
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/* ************************************************************************** */
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mng_retcode interframe_delay (mng_datap pData) |
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{
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mng_uint32 iWaitfor = 0; |
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mng_uint32 iInterval; |
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mng_uint32 iRuninterval; |
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mng_retcode iRetcode; |
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#ifdef MNG_SUPPORT_TRACE
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MNG_TRACE (pData, MNG_FN_INTERFRAME_DELAY, MNG_LC_START) |
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#endif
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if (!pData->bSearching) /* we mustn't be searching !!! */ |
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{
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if (pData->iFramedelay > 0) /* real delay ? */ |
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{
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if ((pData->bRunning) && /* let the app refresh first ? */ |
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(pData->iUpdatetop < pData->iUpdatebottom) && (pData->iUpdateleft < pData->iUpdateright)) |
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if (!pData->fRefresh (((mng_handle)pData), |
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pData->iUpdateleft, pData->iUpdatetop, |
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pData->iUpdateright - pData->iUpdateleft, |
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pData->iUpdatebottom - pData->iUpdatetop)) |
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MNG_ERROR (pData, MNG_APPMISCERROR) |
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pData->iUpdateleft = 0; /* reset update-region */ |
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pData->iUpdateright = 0; |
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pData->iUpdatetop = 0; |
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pData->iUpdatebottom = 0; /* reset refreshneeded indicator */ |
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pData->bNeedrefresh = MNG_FALSE; |
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/* get current tickcount */
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pData->iRuntime = pData->fGettickcount ((mng_handle)pData); |
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/* calculate interval since last sync-point */
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if (pData->iRuntime < pData->iSynctime) |
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iRuninterval = pData->iRuntime + ~pData->iSynctime + 1; |
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else
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iRuninterval = pData->iRuntime - pData->iSynctime; |
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/* calculate actual run-time */
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if (pData->iRuntime < pData->iStarttime) |
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pData->iRuntime = pData->iRuntime + ~pData->iStarttime + 1; |
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else
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pData->iRuntime = pData->iRuntime - pData->iStarttime; |
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if (pData->iTicks) /* what are we aiming for */ |
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{
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switch (pData->iSpeed) /* honor speed modifier */ |
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{
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case mng_st_fast : |
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{
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iWaitfor = (mng_uint32)(( 500 * pData->iFramedelay) / pData->iTicks); |
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break; |
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}
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case mng_st_slow : |
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{
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iWaitfor = (mng_uint32)((3000 * pData->iFramedelay) / pData->iTicks); |
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break; |
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}
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case mng_st_slowest : |
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{
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iWaitfor = (mng_uint32)((8000 * pData->iFramedelay) / pData->iTicks); |
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break; |
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}
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default : |
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{
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iWaitfor = (mng_uint32)((1000 * pData->iFramedelay) / pData->iTicks); |
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}
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}
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}
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else
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{
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if (pData->eImagetype == mng_it_mng) |
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iWaitfor = 1000; |
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else
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iWaitfor = 1; |
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}
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if (iWaitfor > iRuninterval) /* delay necessary ? */ |
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iInterval = iWaitfor - iRuninterval; |
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else
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iInterval = 1; /* force app to process messageloop */ |
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if (pData->bRunning) /* set the timer ? */ |
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{
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iRetcode = set_delay (pData, iInterval); |
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if (iRetcode) /* on error bail out */ |
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return iRetcode; |
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}
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}
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if (pData->bRunning) /* increase frametime in advance */ |
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pData->iFrametime = pData->iFrametime + iWaitfor; |
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/* setup for next delay */
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pData->iFramedelay = pData->iNextdelay; |
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}
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#ifdef MNG_SUPPORT_TRACE
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MNG_TRACE (pData, MNG_FN_INTERFRAME_DELAY, MNG_LC_END) |
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#endif
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return MNG_NOERROR; |
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}
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/* ************************************************************************** */
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void set_display_routine (mng_datap pData) |
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{ /* actively running ? */ |
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if ((pData->bRunning) && (!pData->bFreezing)) |
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{
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switch (pData->iCanvasstyle) /* determine display routine */ |
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{
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case MNG_CANVAS_RGB8 : { pData->fDisplayrow = (mng_fptr)display_rgb8; break; } |
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case MNG_CANVAS_RGBA8 : { pData->fDisplayrow = (mng_fptr)display_rgba8; break; } |
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case MNG_CANVAS_ARGB8 : { pData->fDisplayrow = (mng_fptr)display_argb8; break; } |
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case MNG_CANVAS_RGB8_A8 : { pData->fDisplayrow = (mng_fptr)display_rgb8_a8; break; } |
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case MNG_CANVAS_BGR8 : { pData->fDisplayrow = (mng_fptr)display_bgr8; break; } |
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case MNG_CANVAS_BGRA8 : { pData->fDisplayrow = (mng_fptr)display_bgra8; break; } |
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case MNG_CANVAS_BGRA8PM : { pData->fDisplayrow = (mng_fptr)display_bgra8_pm; break; } |
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case MNG_CANVAS_ABGR8 : { pData->fDisplayrow = (mng_fptr)display_abgr8; break; } |
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/* case MNG_CANVAS_RGB16 : { pData->fDisplayrow = (mng_fptr)display_rgb16; break; } */
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/* case MNG_CANVAS_RGBA16 : { pData->fDisplayrow = (mng_fptr)display_rgba16; break; } */
|
|
356 |
/* case MNG_CANVAS_ARGB16 : { pData->fDisplayrow = (mng_fptr)display_argb16; break; } */
|
|
357 |
/* case MNG_CANVAS_BGR16 : { pData->fDisplayrow = (mng_fptr)display_bgr16; break; } */
|
|
358 |
/* case MNG_CANVAS_BGRA16 : { pData->fDisplayrow = (mng_fptr)display_bgra16; break; } */
|
|
359 |
/* case MNG_CANVAS_ABGR16 : { pData->fDisplayrow = (mng_fptr)display_abgr16; break; } */
|
|
360 |
/* case MNG_CANVAS_INDEX8 : { pData->fDisplayrow = (mng_fptr)display_index8; break; } */
|
|
361 |
/* case MNG_CANVAS_INDEXA8 : { pData->fDisplayrow = (mng_fptr)display_indexa8; break; } */
|
|
362 |
/* case MNG_CANVAS_AINDEX8 : { pData->fDisplayrow = (mng_fptr)display_aindex8; break; } */
|
|
363 |
/* case MNG_CANVAS_GRAY8 : { pData->fDisplayrow = (mng_fptr)display_gray8; break; } */
|
|
364 |
/* case MNG_CANVAS_GRAY16 : { pData->fDisplayrow = (mng_fptr)display_gray16; break; } */
|
|
365 |
/* case MNG_CANVAS_GRAYA8 : { pData->fDisplayrow = (mng_fptr)display_graya8; break; } */
|
|
366 |
/* case MNG_CANVAS_GRAYA16 : { pData->fDisplayrow = (mng_fptr)display_graya16; break; } */
|
|
367 |
/* case MNG_CANVAS_AGRAY8 : { pData->fDisplayrow = (mng_fptr)display_agray8; break; } */
|
|
368 |
/* case MNG_CANVAS_AGRAY16 : { pData->fDisplayrow = (mng_fptr)display_agray16; break; } */
|
|
369 |
/* case MNG_CANVAS_DX15 : { pData->fDisplayrow = (mng_fptr)display_dx15; break; } */
|
|
370 |
/* case MNG_CANVAS_DX16 : { pData->fDisplayrow = (mng_fptr)display_dx16; break; } */
|
|
371 |
}
|
|
372 |
}
|
|
373 |
||
374 |
return; |
|
375 |
}
|
|
376 |
||
377 |
/* ************************************************************************** */
|
|
378 |
||
379 |
mng_retcode load_bkgdlayer (mng_datap pData) |
|
380 |
{
|
|
381 |
#ifdef MNG_SUPPORT_TRACE
|
|
382 |
MNG_TRACE (pData, MNG_FN_LOAD_BKGDLAYER, MNG_LC_START) |
|
383 |
#endif
|
|
384 |
/* actively running ? */
|
|
385 |
if ((pData->bRunning) && (!pData->bFreezing)) |
|
386 |
{
|
|
387 |
mng_int32 iY; |
|
388 |
mng_retcode iRetcode; /* save values */ |
|
389 |
mng_int32 iDestl = pData->iDestl; |
|
390 |
mng_int32 iDestr = pData->iDestr; |
|
391 |
mng_int32 iDestt = pData->iDestt; |
|
392 |
mng_int32 iDestb = pData->iDestb; |
|
393 |
mng_int32 iSourcel = pData->iSourcel; |
|
394 |
mng_int32 iSourcer = pData->iSourcer; |
|
395 |
mng_int32 iSourcet = pData->iSourcet; |
|
396 |
mng_int32 iSourceb = pData->iSourceb; |
|
397 |
mng_int8 iPass = pData->iPass; |
|
398 |
mng_int32 iRow = pData->iRow; |
|
399 |
mng_int32 iRowinc = pData->iRowinc; |
|
400 |
mng_int32 iCol = pData->iCol; |
|
401 |
mng_int32 iColinc = pData->iColinc; |
|
402 |
mng_int32 iRowsamples = pData->iRowsamples; |
|
403 |
mng_int32 iRowsize = pData->iRowsize; |
|
404 |
mng_bool bIsRGBA16 = pData->bIsRGBA16; |
|
405 |
mng_bool bIsOpaque = pData->bIsOpaque; |
|
406 |
mng_fptr fCorrectrow = pData->fCorrectrow; |
|
407 |
||
408 |
pData->iDestl = 0; /* determine clipping region */ |
|
409 |
pData->iDestt = 0; |
|
410 |
pData->iDestr = pData->iWidth; |
|
411 |
pData->iDestb = pData->iHeight; |
|
412 |
||
413 |
if (pData->bFrameclipping) /* frame clipping specified ? */ |
|
414 |
{
|
|
415 |
pData->iDestl = MAX_COORD (pData->iDestl, pData->iFrameclipl); |
|
416 |
pData->iDestt = MAX_COORD (pData->iDestt, pData->iFrameclipt); |
|
417 |
pData->iDestr = MIN_COORD (pData->iDestr, pData->iFrameclipr); |
|
418 |
pData->iDestb = MIN_COORD (pData->iDestb, pData->iFrameclipb); |
|
419 |
}
|
|
420 |
/* anything to clear ? */
|
|
421 |
if ((pData->iDestr >= pData->iDestl) && (pData->iDestb >= pData->iDestt)) |
|
422 |
{
|
|
423 |
pData->iPass = -1; /* these are the object's dimensions now */ |
|
424 |
pData->iRow = 0; |
|
425 |
pData->iRowinc = 1; |
|
426 |
pData->iCol = 0; |
|
427 |
pData->iColinc = 1; |
|
428 |
pData->iRowsamples = pData->iWidth; |
|
429 |
pData->iRowsize = pData->iRowsamples << 2; |
|
430 |
pData->bIsRGBA16 = MNG_FALSE; /* let's keep it simple ! */ |
|
431 |
pData->bIsOpaque = MNG_TRUE; |
|
432 |
||
433 |
pData->iSourcel = 0; /* source relative to destination */ |
|
434 |
pData->iSourcer = pData->iDestr - pData->iDestl; |
|
435 |
pData->iSourcet = 0; |
|
436 |
pData->iSourceb = pData->iDestb - pData->iDestt; |
|
437 |
||
438 |
set_display_routine (pData); /* determine display routine */ |
|
439 |
/* default restore using preset BG color */
|
|
440 |
pData->fRestbkgdrow = (mng_fptr)restore_bkgd_bgcolor; |
|
441 |
||
442 |
if (((pData->eImagetype == mng_it_png) || (pData->eImagetype == mng_it_jng)) && |
|
443 |
(pData->bUseBKGD)) |
|
444 |
{ /* prefer bKGD in PNG/JNG */ |
|
445 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj; |
|
446 |
||
447 |
if (!pImage) |
|
448 |
pImage = (mng_imagep)pData->pObjzero; |
|
449 |
||
450 |
if (pImage->pImgbuf->bHasBKGD) |
|
451 |
pData->fRestbkgdrow = (mng_fptr)restore_bkgd_bkgd; |
|
452 |
}
|
|
453 |
||
454 |
if (pData->fGetbkgdline) /* background-canvas-access callback set ? */ |
|
455 |
{
|
|
456 |
switch (pData->iBkgdstyle) |
|
457 |
{
|
|
458 |
case MNG_CANVAS_RGB8 : { pData->fRestbkgdrow = (mng_fptr)restore_bkgd_rgb8; break; } |
|
459 |
case MNG_CANVAS_BGR8 : { pData->fRestbkgdrow = (mng_fptr)restore_bkgd_bgr8; break; } |
|
460 |
/* case MNG_CANVAS_RGB16 : { pData->fRestbkgdrow = (mng_fptr)restore_bkgd_rgb16; break; } */
|
|
461 |
/* case MNG_CANVAS_BGR16 : { pData->fRestbkgdrow = (mng_fptr)restore_bkgd_bgr16; break; } */
|
|
462 |
/* case MNG_CANVAS_INDEX8 : { pData->fRestbkgdrow = (mng_fptr)restore_bkgd_index8; break; } */
|
|
463 |
/* case MNG_CANVAS_GRAY8 : { pData->fRestbkgdrow = (mng_fptr)restore_bkgd_gray8; break; } */
|
|
464 |
/* case MNG_CANVAS_GRAY16 : { pData->fRestbkgdrow = (mng_fptr)restore_bkgd_gray16; break; } */
|
|
465 |
/* case MNG_CANVAS_DX15 : { pData->fRestbkgdrow = (mng_fptr)restore_bkgd_dx15; break; } */
|
|
466 |
/* case MNG_CANVAS_DX16 : { pData->fRestbkgdrow = (mng_fptr)restore_bkgd_dx16; break; } */
|
|
467 |
}
|
|
468 |
}
|
|
469 |
||
470 |
if (pData->bHasBACK) |
|
471 |
{ /* background image ? */ |
|
472 |
if ((pData->iBACKmandatory & 0x02) && (pData->iBACKimageid)) |
|
473 |
pData->fRestbkgdrow = (mng_fptr)restore_bkgd_backimage; |
|
474 |
else /* background color ? */ |
|
475 |
if (pData->iBACKmandatory & 0x01) |
|
476 |
pData->fRestbkgdrow = (mng_fptr)restore_bkgd_backcolor; |
|
477 |
||
478 |
}
|
|
479 |
||
480 |
pData->fCorrectrow = MNG_NULL; /* default no color-correction */ |
|
481 |
||
482 |
||
483 |
/* TODO: determine color correction; this is tricky;
|
|
484 |
the BACK color is treated differently as the image;
|
|
485 |
it probably requires a rewrite of the logic here... */
|
|
486 |
||
487 |
||
488 |
/* get a temporary row-buffer */
|
|
489 |
MNG_ALLOC (pData, pData->pRGBArow, pData->iRowsize) |
|
490 |
||
491 |
iY = pData->iDestt; /* this is where we start */ |
|
492 |
iRetcode = MNG_NOERROR; /* so far, so good */ |
|
493 |
||
494 |
while ((!iRetcode) && (iY < pData->iDestb)) |
|
495 |
{ /* restore a background row */ |
|
496 |
iRetcode = ((mng_restbkgdrow)pData->fRestbkgdrow) (pData); |
|
497 |
/* color correction ? */
|
|
498 |
if ((!iRetcode) && (pData->fCorrectrow)) |
|
499 |
iRetcode = ((mng_correctrow)pData->fCorrectrow) (pData); |
|
500 |
||
501 |
if (!iRetcode) /* so... display it */ |
|
502 |
iRetcode = ((mng_displayrow)pData->fDisplayrow) (pData); |
|
503 |
||
504 |
if (!iRetcode) |
|
505 |
iRetcode = next_row (pData); /* adjust variables for next row */ |
|
506 |
||
507 |
iY++; /* and next line */ |
|
508 |
}
|
|
509 |
/* drop the temporary row-buffer */
|
|
510 |
MNG_FREE (pData, pData->pRGBArow, pData->iRowsize) |
|
511 |
||
512 |
if (iRetcode) /* on error bail out */ |
|
513 |
return iRetcode; |
|
514 |
||
515 |
}
|
|
516 |
||
517 |
pData->iDestl = iDestl; /* restore values */ |
|
518 |
pData->iDestr = iDestr; |
|
519 |
pData->iDestt = iDestt; |
|
520 |
pData->iDestb = iDestb; |
|
521 |
pData->iSourcel = iSourcel; |
|
522 |
pData->iSourcer = iSourcer; |
|
523 |
pData->iSourcet = iSourcet; |
|
524 |
pData->iSourceb = iSourceb; |
|
525 |
pData->iPass = iPass; |
|
526 |
pData->iRow = iRow; |
|
527 |
pData->iRowinc = iRowinc; |
|
528 |
pData->iCol = iCol; |
|
529 |
pData->iColinc = iColinc; |
|
530 |
pData->iRowsamples = iRowsamples; |
|
531 |
pData->iRowsize = iRowsize; |
|
532 |
pData->bIsRGBA16 = bIsRGBA16; |
|
533 |
pData->bIsOpaque = bIsOpaque; |
|
534 |
pData->fCorrectrow = fCorrectrow; |
|
535 |
}
|
|
536 |
||
537 |
#ifdef MNG_SUPPORT_TRACE
|
|
538 |
MNG_TRACE (pData, MNG_FN_LOAD_BKGDLAYER, MNG_LC_END) |
|
539 |
#endif
|
|
540 |
||
541 |
return MNG_NOERROR; |
|
542 |
}
|
|
543 |
||
544 |
/* ************************************************************************** */
|
|
545 |
||
546 |
mng_retcode clear_canvas (mng_datap pData) |
|
547 |
{
|
|
548 |
mng_int32 iY; |
|
549 |
mng_retcode iRetcode; |
|
550 |
||
551 |
#ifdef MNG_SUPPORT_TRACE
|
|
552 |
MNG_TRACE (pData, MNG_FN_CLEAR_CANVAS, MNG_LC_START) |
|
553 |
#endif
|
|
554 |
||
555 |
pData->iDestl = 0; /* clipping region is full canvas! */ |
|
556 |
pData->iDestt = 0; |
|
557 |
pData->iDestr = pData->iWidth; |
|
558 |
pData->iDestb = pData->iHeight; |
|
559 |
||
560 |
pData->iSourcel = 0; /* source is same as destination */ |
|
561 |
pData->iSourcer = pData->iWidth; |
|
562 |
pData->iSourcet = 0; |
|
563 |
pData->iSourceb = pData->iHeight; |
|
564 |
||
565 |
pData->iPass = -1; /* these are the object's dimensions now */ |
|
566 |
pData->iRow = 0; |
|
567 |
pData->iRowinc = 1; |
|
568 |
pData->iCol = 0; |
|
569 |
pData->iColinc = 1; |
|
570 |
pData->iRowsamples = pData->iWidth; |
|
571 |
pData->iRowsize = pData->iRowsamples << 2; |
|
572 |
pData->bIsRGBA16 = MNG_FALSE; /* let's keep it simple ! */ |
|
573 |
pData->bIsOpaque = MNG_TRUE; |
|
574 |
||
575 |
set_display_routine (pData); /* determine display routine */ |
|
576 |
/* get a temporary row-buffer */
|
|
577 |
/* it's transparent black by default!! */
|
|
578 |
MNG_ALLOC (pData, pData->pRGBArow, pData->iRowsize) |
|
579 |
||
580 |
iY = pData->iDestt; /* this is where we start */ |
|
581 |
iRetcode = MNG_NOERROR; /* so far, so good */ |
|
582 |
||
583 |
while ((!iRetcode) && (iY < pData->iDestb)) |
|
584 |
{ /* clear a row then */ |
|
585 |
iRetcode = ((mng_displayrow)pData->fDisplayrow) (pData); |
|
586 |
||
587 |
if (!iRetcode) |
|
588 |
iRetcode = next_row (pData); /* adjust variables for next row */ |
|
589 |
||
590 |
iY++; /* and next line */ |
|
591 |
}
|
|
592 |
/* drop the temporary row-buffer */
|
|
593 |
MNG_FREE (pData, pData->pRGBArow, pData->iRowsize) |
|
594 |
||
595 |
if (iRetcode) /* on error bail out */ |
|
596 |
return iRetcode; |
|
597 |
||
598 |
#ifdef MNG_SUPPORT_TRACE
|
|
599 |
MNG_TRACE (pData, MNG_FN_CLEAR_CANVAS, MNG_LC_END) |
|
600 |
#endif
|
|
601 |
||
602 |
return MNG_NOERROR; |
|
603 |
}
|
|
604 |
||
605 |
/* ************************************************************************** */
|
|
606 |
||
607 |
mng_retcode next_frame (mng_datap pData, |
|
608 |
mng_uint8 iFramemode, |
|
609 |
mng_uint8 iChangedelay, |
|
610 |
mng_uint32 iDelay, |
|
611 |
mng_uint8 iChangetimeout, |
|
612 |
mng_uint32 iTimeout, |
|
613 |
mng_uint8 iChangeclipping, |
|
614 |
mng_uint8 iCliptype, |
|
615 |
mng_int32 iClipl, |
|
616 |
mng_int32 iClipr, |
|
617 |
mng_int32 iClipt, |
|
618 |
mng_int32 iClipb) |
|
619 |
{
|
|
620 |
mng_retcode iRetcode = MNG_NOERROR; |
|
621 |
||
622 |
#ifdef MNG_SUPPORT_TRACE
|
|
623 |
MNG_TRACE (pData, MNG_FN_NEXT_FRAME, MNG_LC_START) |
|
624 |
#endif
|
|
625 |
||
626 |
if (!pData->iBreakpoint) /* no previous break here ? */ |
|
627 |
{
|
|
628 |
mng_uint8 iOldmode = pData->iFramemode; |
|
629 |
/* interframe delay required ? */
|
|
630 |
if ((iOldmode == 2) || (iOldmode == 4)) |
|
631 |
{
|
|
632 |
/* changed here because FRAM 1/3 will delay themselves before each image */
|
|
633 |
if ((pData->iFrameseq) && (iFramemode != 1) && (iFramemode != 3)) |
|
634 |
iRetcode = interframe_delay (pData); |
|
635 |
else
|
|
636 |
pData->iFramedelay = pData->iNextdelay; |
|
637 |
}
|
|
638 |
else
|
|
639 |
{ /* delay before inserting background layer? */ |
|
640 |
if ((pData->bFramedone) && (iFramemode == 4)) |
|
641 |
iRetcode = interframe_delay (pData); |
|
642 |
}
|
|
643 |
||
644 |
if (iRetcode) /* on error bail out */ |
|
645 |
return iRetcode; |
|
646 |
/* now we'll assume we're in the next frame! */
|
|
647 |
if (iFramemode) /* save the new framing mode ? */ |
|
648 |
{
|
|
649 |
pData->iFRAMmode = iFramemode; |
|
650 |
pData->iFramemode = iFramemode; |
|
651 |
}
|
|
652 |
else /* reload default */ |
|
653 |
pData->iFramemode = pData->iFRAMmode; |
|
654 |
||
655 |
if (iChangedelay) /* delay changed ? */ |
|
656 |
{
|
|
657 |
pData->iNextdelay = iDelay; /* for *after* next subframe */ |
|
658 |
||
659 |
if ((iOldmode == 2) || (iOldmode == 4)) |
|
660 |
/* pData->iFramedelay = iDelay; */
|
|
661 |
pData->iFramedelay = pData->iFRAMdelay; |
|
662 |
||
663 |
if (iChangedelay == 2) /* also overall ? */ |
|
664 |
pData->iFRAMdelay = iDelay; |
|
665 |
}
|
|
666 |
else
|
|
667 |
{ /* reload default */ |
|
668 |
pData->iNextdelay = pData->iFRAMdelay; |
|
669 |
||
670 |
/* if ((iOldmode == 2) || (iOldmode == 4))
|
|
671 |
pData->iFramedelay = pData->iNextdelay; */
|
|
672 |
}
|
|
673 |
||
674 |
if (iChangetimeout) /* timeout changed ? */ |
|
675 |
{ /* for next subframe */ |
|
676 |
pData->iFrametimeout = iTimeout; |
|
677 |
||
678 |
if ((iChangetimeout == 2) || /* also overall ? */ |
|
679 |
(iChangetimeout == 4) || |
|
680 |
(iChangetimeout == 6) || |
|
681 |
(iChangetimeout == 8)) |
|
682 |
pData->iFRAMtimeout = iTimeout; |
|
683 |
}
|
|
684 |
else /* reload default */ |
|
685 |
pData->iFrametimeout = pData->iFRAMtimeout; |
|
686 |
||
687 |
if (iChangeclipping) /* clipping changed ? */ |
|
688 |
{
|
|
689 |
pData->bFrameclipping = MNG_TRUE; |
|
690 |
||
691 |
if (!iCliptype) /* absolute ? */ |
|
692 |
{
|
|
693 |
pData->iFrameclipl = iClipl; |
|
694 |
pData->iFrameclipr = iClipr; |
|
695 |
pData->iFrameclipt = iClipt; |
|
696 |
pData->iFrameclipb = iClipb; |
|
697 |
}
|
|
698 |
else /* relative */ |
|
699 |
{
|
|
700 |
pData->iFrameclipl = pData->iFrameclipl + iClipl; |
|
701 |
pData->iFrameclipr = pData->iFrameclipr + iClipr; |
|
702 |
pData->iFrameclipt = pData->iFrameclipt + iClipt; |
|
703 |
pData->iFrameclipb = pData->iFrameclipb + iClipb; |
|
704 |
}
|
|
705 |
||
706 |
if (iChangeclipping == 2) /* also overall ? */ |
|
707 |
{
|
|
708 |
pData->bFRAMclipping = MNG_TRUE; |
|
709 |
||
710 |
if (!iCliptype) /* absolute ? */ |
|
711 |
{
|
|
712 |
pData->iFRAMclipl = iClipl; |
|
713 |
pData->iFRAMclipr = iClipr; |
|
714 |
pData->iFRAMclipt = iClipt; |
|
715 |
pData->iFRAMclipb = iClipb; |
|
716 |
}
|
|
717 |
else /* relative */ |
|
718 |
{
|
|
719 |
pData->iFRAMclipl = pData->iFRAMclipl + iClipl; |
|
720 |
pData->iFRAMclipr = pData->iFRAMclipr + iClipr; |
|
721 |
pData->iFRAMclipt = pData->iFRAMclipt + iClipt; |
|
722 |
pData->iFRAMclipb = pData->iFRAMclipb + iClipb; |
|
723 |
}
|
|
724 |
}
|
|
725 |
}
|
|
726 |
else
|
|
727 |
{ /* reload defaults */ |
|
728 |
pData->bFrameclipping = pData->bFRAMclipping; |
|
729 |
pData->iFrameclipl = pData->iFRAMclipl; |
|
730 |
pData->iFrameclipr = pData->iFRAMclipr; |
|
731 |
pData->iFrameclipt = pData->iFRAMclipt; |
|
732 |
pData->iFrameclipb = pData->iFRAMclipb; |
|
733 |
}
|
|
734 |
}
|
|
735 |
||
736 |
if (!pData->bTimerset) /* timer still off ? */ |
|
737 |
{
|
|
738 |
if ((pData->iFramemode == 4) || /* insert background layer after a new frame */ |
|
739 |
(!pData->iLayerseq)) /* and certainly before the very first layer */ |
|
740 |
iRetcode = load_bkgdlayer (pData); |
|
741 |
||
742 |
if (iRetcode) /* on error bail out */ |
|
743 |
return iRetcode; |
|
744 |
||
745 |
if ((pData->bDisplaying) && (pData->bRunning)) |
|
746 |
{
|
|
747 |
pData->iFrameseq++; /* count the frame ! */ |
|
748 |
pData->bFramedone = MNG_TRUE; /* and indicate we've done one */ |
|
749 |
}
|
|
750 |
}
|
|
751 |
||
752 |
#ifdef MNG_SUPPORT_TRACE
|
|
753 |
MNG_TRACE (pData, MNG_FN_NEXT_FRAME, MNG_LC_END) |
|
754 |
#endif
|
|
755 |
||
756 |
return MNG_NOERROR; |
|
757 |
}
|
|
758 |
||
759 |
/* ************************************************************************** */
|
|
760 |
||
761 |
mng_retcode next_layer (mng_datap pData) |
|
762 |
{
|
|
763 |
mng_imagep pImage; |
|
764 |
mng_retcode iRetcode = MNG_NOERROR; |
|
765 |
||
766 |
#ifdef MNG_SUPPORT_TRACE
|
|
767 |
MNG_TRACE (pData, MNG_FN_NEXT_LAYER, MNG_LC_START) |
|
768 |
#endif
|
|
769 |
||
770 |
if (!pData->iBreakpoint) /* no previous break here ? */ |
|
771 |
{ /* interframe delay required ? */ |
|
772 |
if ((pData->eImagetype == mng_it_mng) && (pData->iLayerseq) && |
|
773 |
((pData->iFramemode == 1) || (pData->iFramemode == 3))) |
|
774 |
iRetcode = interframe_delay (pData); |
|
775 |
else
|
|
776 |
pData->iFramedelay = pData->iNextdelay; |
|
777 |
||
778 |
if (iRetcode) /* on error bail out */ |
|
779 |
return iRetcode; |
|
780 |
}
|
|
781 |
||
782 |
if (!pData->bTimerset) /* timer still off ? */ |
|
783 |
{
|
|
784 |
if (!pData->iLayerseq) /* restore background for the very first layer ? */ |
|
785 |
{ /* wait till IDAT/JDAT for PNGs & JNGs !!! */ |
|
786 |
if ((pData->eImagetype == mng_it_png) || (pData->eImagetype == mng_it_jng)) |
|
787 |
pData->bRestorebkgd = MNG_TRUE; |
|
788 |
else
|
|
789 |
{ /* for MNG we do it right away */ |
|
790 |
iRetcode = load_bkgdlayer (pData); |
|
791 |
||
792 |
if (pData->bRunning) |
|
793 |
pData->iLayerseq++; /* and it counts as a layer then ! */ |
|
794 |
}
|
|
795 |
}
|
|
796 |
else
|
|
797 |
if (pData->iFramemode == 3) /* restore background for each layer ? */ |
|
798 |
iRetcode = load_bkgdlayer (pData); |
|
799 |
||
800 |
if (iRetcode) /* on error bail out */ |
|
801 |
return iRetcode; |
|
802 |
||
803 |
if (pData->bHasDHDR) /* processing a delta-image ? */ |
|
804 |
pImage = (mng_imagep)pData->pDeltaImage; |
|
805 |
else
|
|
806 |
pImage = (mng_imagep)pData->pCurrentobj; |
|
807 |
||
808 |
if (!pImage) /* not an active object ? */ |
|
809 |
pImage = (mng_imagep)pData->pObjzero; |
|
810 |
/* determine display rectangle */
|
|
811 |
pData->iDestl = MAX_COORD ((mng_int32)0, pImage->iPosx); |
|
812 |
pData->iDestt = MAX_COORD ((mng_int32)0, pImage->iPosy); |
|
813 |
/* is it a valid buffer ? */
|
|
814 |
if ((pImage->pImgbuf->iWidth) && (pImage->pImgbuf->iHeight)) |
|
815 |
{
|
|
816 |
pData->iDestr = MIN_COORD ((mng_int32)pData->iWidth, |
|
817 |
pImage->iPosx + (mng_int32)pImage->pImgbuf->iWidth ); |
|
818 |
pData->iDestb = MIN_COORD ((mng_int32)pData->iHeight, |
|
819 |
pImage->iPosy + (mng_int32)pImage->pImgbuf->iHeight); |
|
820 |
}
|
|
821 |
else /* it's a single image ! */ |
|
822 |
{
|
|
823 |
pData->iDestr = MIN_COORD ((mng_int32)pData->iWidth, |
|
824 |
(mng_int32)pData->iDatawidth ); |
|
825 |
pData->iDestb = MIN_COORD ((mng_int32)pData->iHeight, |
|
826 |
(mng_int32)pData->iDataheight); |
|
827 |
}
|
|
828 |
||
829 |
if (pData->bFrameclipping) /* frame clipping specified ? */ |
|
830 |
{
|
|
831 |
pData->iDestl = MAX_COORD (pData->iDestl, pData->iFrameclipl); |
|
832 |
pData->iDestt = MAX_COORD (pData->iDestt, pData->iFrameclipt); |
|
833 |
pData->iDestr = MIN_COORD (pData->iDestr, pData->iFrameclipr); |
|
834 |
pData->iDestb = MIN_COORD (pData->iDestb, pData->iFrameclipb); |
|
835 |
}
|
|
836 |
||
837 |
if (pImage->bClipped) /* is the image clipped itself ? */ |
|
838 |
{
|
|
839 |
pData->iDestl = MAX_COORD (pData->iDestl, pImage->iClipl); |
|
840 |
pData->iDestt = MAX_COORD (pData->iDestt, pImage->iClipt); |
|
841 |
pData->iDestr = MIN_COORD (pData->iDestr, pImage->iClipr); |
|
842 |
pData->iDestb = MIN_COORD (pData->iDestb, pImage->iClipb); |
|
843 |
}
|
|
844 |
/* determine source starting point */
|
|
845 |
pData->iSourcel = MAX_COORD ((mng_int32)0, pData->iDestl - pImage->iPosx); |
|
846 |
pData->iSourcet = MAX_COORD ((mng_int32)0, pData->iDestt - pImage->iPosy); |
|
847 |
||
848 |
if ((pImage->pImgbuf->iWidth) && (pImage->pImgbuf->iHeight)) |
|
849 |
{ /* and maximum size */ |
|
850 |
pData->iSourcer = MIN_COORD ((mng_int32)pImage->pImgbuf->iWidth, |
|
851 |
pData->iSourcel + pData->iDestr - pData->iDestl); |
|
852 |
pData->iSourceb = MIN_COORD ((mng_int32)pImage->pImgbuf->iHeight, |
|
853 |
pData->iSourcet + pData->iDestb - pData->iDestt); |
|
854 |
}
|
|
855 |
else /* it's a single image ! */ |
|
856 |
{
|
|
857 |
pData->iSourcer = pData->iSourcel + pData->iDestr - pData->iDestl; |
|
858 |
pData->iSourceb = pData->iSourcet + pData->iDestb - pData->iDestt; |
|
859 |
}
|
|
860 |
||
861 |
if (pData->bRunning) |
|
862 |
pData->iLayerseq++; /* count the layer ! */ |
|
863 |
}
|
|
864 |
||
865 |
#ifdef MNG_SUPPORT_TRACE
|
|
866 |
MNG_TRACE (pData, MNG_FN_NEXT_LAYER, MNG_LC_END) |
|
867 |
#endif
|
|
868 |
||
869 |
return MNG_NOERROR; |
|
870 |
}
|
|
871 |
||
872 |
/* ************************************************************************** */
|
|
873 |
||
874 |
mng_retcode display_image (mng_datap pData, |
|
875 |
mng_imagep pImage, |
|
876 |
mng_bool bLayeradvanced) |
|
877 |
{
|
|
878 |
mng_retcode iRetcode; |
|
879 |
||
880 |
#ifdef MNG_SUPPORT_TRACE
|
|
881 |
MNG_TRACE (pData, MNG_FN_DISPLAY_IMAGE, MNG_LC_START) |
|
882 |
#endif
|
|
883 |
/* actively running ? */
|
|
884 |
if ((pData->bRunning) && (!pData->bFreezing)) |
|
885 |
{
|
|
886 |
if ( (!pData->iBreakpoint) && /* needs magnification ? */ |
|
887 |
( (pImage->iMAGN_MethodX) || (pImage->iMAGN_MethodY) ) ) |
|
888 |
{
|
|
889 |
iRetcode = magnify_imageobject (pData, pImage); |
|
890 |
||
891 |
if (iRetcode) /* on error bail out */ |
|
892 |
return iRetcode; |
|
893 |
}
|
|
894 |
}
|
|
895 |
||
896 |
pData->pRetrieveobj = pImage; /* so retrieve-row and color-correction can find it */ |
|
897 |
||
898 |
if (!bLayeradvanced) /* need to advance the layer ? */ |
|
899 |
{
|
|
900 |
mng_imagep pSave = pData->pCurrentobj; |
|
901 |
pData->pCurrentobj = pImage; |
|
902 |
next_layer (pData); /* advance to next layer */ |
|
903 |
pData->pCurrentobj = pSave; |
|
904 |
}
|
|
905 |
/* need to restore the background ? */
|
|
906 |
if ((!pData->bTimerset) && (pData->bRestorebkgd)) |
|
907 |
{
|
|
908 |
mng_imagep pSave = pData->pCurrentobj; |
|
909 |
pData->pCurrentobj = pImage; |
|
910 |
pData->bRestorebkgd = MNG_FALSE; |
|
911 |
iRetcode = load_bkgdlayer (pData); |
|
912 |
pData->pCurrentobj = pSave; |
|
913 |
||
914 |
if (iRetcode) /* on error bail out */ |
|
915 |
return iRetcode; |
|
916 |
||
917 |
if (pData->bRunning) |
|
918 |
pData->iLayerseq++; /* and it counts as a layer then ! */ |
|
919 |
}
|
|
920 |
/* actively running ? */
|
|
921 |
if ((pData->bRunning) && (!pData->bFreezing)) |
|
922 |
{
|
|
923 |
if (!pData->bTimerset) /* all systems still go ? */ |
|
924 |
{
|
|
925 |
pData->iBreakpoint = 0; /* let's make absolutely sure... */ |
|
926 |
/* anything to display ? */
|
|
927 |
if ((pData->iDestr >= pData->iDestl) && (pData->iDestb >= pData->iDestt)) |
|
928 |
{
|
|
929 |
mng_int32 iY; |
|
930 |
||
931 |
set_display_routine (pData); /* determine display routine */ |
|
932 |
/* and image-buffer retrieval routine */
|
|
933 |
switch (pImage->pImgbuf->iColortype) |
|
934 |
{
|
|
935 |
case 0 : { if (pImage->pImgbuf->iBitdepth > 8) |
|
936 |
pData->fRetrieverow = (mng_fptr)retrieve_g16; |
|
937 |
else
|
|
938 |
pData->fRetrieverow = (mng_fptr)retrieve_g8; |
|
939 |
||
940 |
pData->bIsOpaque = (mng_bool)(!pImage->pImgbuf->bHasTRNS); |
|
941 |
break; |
|
942 |
}
|
|
943 |
||
944 |
case 2 : { if (pImage->pImgbuf->iBitdepth > 8) |
|
945 |
pData->fRetrieverow = (mng_fptr)retrieve_rgb16; |
|
946 |
else
|
|
947 |
pData->fRetrieverow = (mng_fptr)retrieve_rgb8; |
|
948 |
||
949 |
pData->bIsOpaque = (mng_bool)(!pImage->pImgbuf->bHasTRNS); |
|
950 |
break; |
|
951 |
}
|
|
952 |
||
953 |
||
954 |
case 3 : { pData->fRetrieverow = (mng_fptr)retrieve_idx8; |
|
955 |
pData->bIsOpaque = (mng_bool)(!pImage->pImgbuf->bHasTRNS); |
|
956 |
break; |
|
957 |
}
|
|
958 |
||
959 |
||
960 |
case 4 : { if (pImage->pImgbuf->iBitdepth > 8) |
|
961 |
pData->fRetrieverow = (mng_fptr)retrieve_ga16; |
|
962 |
else
|
|
963 |
pData->fRetrieverow = (mng_fptr)retrieve_ga8; |
|
964 |
||
965 |
pData->bIsOpaque = MNG_FALSE; |
|
966 |
break; |
|
967 |
}
|
|
968 |
||
969 |
||
970 |
case 6 : { if (pImage->pImgbuf->iBitdepth > 8) |
|
971 |
pData->fRetrieverow = (mng_fptr)retrieve_rgba16; |
|
972 |
else
|
|
973 |
pData->fRetrieverow = (mng_fptr)retrieve_rgba8; |
|
974 |
||
975 |
pData->bIsOpaque = MNG_FALSE; |
|
976 |
break; |
|
977 |
}
|
|
978 |
||
979 |
case 8 : { if (pImage->pImgbuf->iBitdepth > 8) |
|
980 |
pData->fRetrieverow = (mng_fptr)retrieve_g16; |
|
981 |
else
|
|
982 |
pData->fRetrieverow = (mng_fptr)retrieve_g8; |
|
983 |
||
984 |
pData->bIsOpaque = MNG_TRUE; |
|
985 |
break; |
|
986 |
}
|
|
987 |
||
988 |
case 10 : { if (pImage->pImgbuf->iBitdepth > 8) |
|
989 |
pData->fRetrieverow = (mng_fptr)retrieve_rgb16; |
|
990 |
else
|
|
991 |
pData->fRetrieverow = (mng_fptr)retrieve_rgb8; |
|
992 |
||
993 |
pData->bIsOpaque = MNG_TRUE; |
|
994 |
break; |
|
995 |
}
|
|
996 |
||
997 |
||
998 |
case 12 : { if (pImage->pImgbuf->iBitdepth > 8) |
|
999 |
pData->fRetrieverow = (mng_fptr)retrieve_ga16; |
|
1000 |
else
|
|
1001 |
pData->fRetrieverow = (mng_fptr)retrieve_ga8; |
|
1002 |
||
1003 |
pData->bIsOpaque = MNG_FALSE; |
|
1004 |
break; |
|
1005 |
}
|
|
1006 |
||
1007 |
||
1008 |
case 14 : { if (pImage->pImgbuf->iBitdepth > 8) |
|
1009 |
pData->fRetrieverow = (mng_fptr)retrieve_rgba16; |
|
1010 |
else
|
|
1011 |
pData->fRetrieverow = (mng_fptr)retrieve_rgba8; |
|
1012 |
||
1013 |
pData->bIsOpaque = MNG_FALSE; |
|
1014 |
break; |
|
1015 |
}
|
|
1016 |
||
1017 |
}
|
|
1018 |
||
1019 |
pData->iPass = -1; /* these are the object's dimensions now */ |
|
1020 |
pData->iRow = pData->iSourcet; |
|
1021 |
pData->iRowinc = 1; |
|
1022 |
pData->iCol = 0; |
|
1023 |
pData->iColinc = 1; |
|
1024 |
pData->iRowsamples = pImage->pImgbuf->iWidth; |
|
1025 |
pData->iRowsize = pData->iRowsamples << 2; |
|
1026 |
pData->bIsRGBA16 = MNG_FALSE; |
|
1027 |
/* adjust for 16-bit object ? */
|
|
1028 |
if (pImage->pImgbuf->iBitdepth > 8) |
|
1029 |
{
|
|
1030 |
pData->bIsRGBA16 = MNG_TRUE; |
|
1031 |
pData->iRowsize = pData->iRowsamples << 3; |
|
1032 |
}
|
|
1033 |
||
1034 |
pData->fCorrectrow = MNG_NULL; /* default no color-correction */ |
|
1035 |
||
1036 |
#ifdef MNG_NO_CMS
|
|
1037 |
iRetcode = MNG_NOERROR; |
|
1038 |
#else
|
|
1039 |
#if defined(MNG_FULL_CMS) /* determine color-management routine */ |
|
1040 |
iRetcode = init_full_cms_object (pData); |
|
1041 |
#elif defined(MNG_GAMMA_ONLY)
|
|
1042 |
iRetcode = init_gamma_only_object (pData); |
|
1043 |
#elif defined(MNG_APP_CMS)
|
|
1044 |
iRetcode = init_app_cms_object (pData); |
|
1045 |
#endif
|
|
1046 |
if (iRetcode) /* on error bail out */ |
|
1047 |
return iRetcode; |
|
1048 |
#endif /* MNG_NO_CMS */ |
|
1049 |
/* get a temporary row-buffer */
|
|
1050 |
MNG_ALLOC (pData, pData->pRGBArow, pData->iRowsize) |
|
1051 |
||
1052 |
iY = pData->iSourcet; /* this is where we start */ |
|
1053 |
||
1054 |
while ((!iRetcode) && (iY < pData->iSourceb)) |
|
1055 |
{ /* get a row */ |
|
1056 |
iRetcode = ((mng_retrieverow)pData->fRetrieverow) (pData); |
|
1057 |
/* color correction ? */
|
|
1058 |
if ((!iRetcode) && (pData->fCorrectrow)) |
|
1059 |
iRetcode = ((mng_correctrow)pData->fCorrectrow) (pData); |
|
1060 |
||
1061 |
if (!iRetcode) /* so... display it */ |
|
1062 |
iRetcode = ((mng_displayrow)pData->fDisplayrow) (pData); |
|
1063 |
||
1064 |
if (!iRetcode) /* adjust variables for next row */ |
|
1065 |
iRetcode = next_row (pData); |
|
1066 |
||
1067 |
iY++; /* and next line */ |
|
1068 |
}
|
|
1069 |
/* drop the temporary row-buffer */
|
|
1070 |
MNG_FREE (pData, pData->pRGBArow, pData->iRowsize) |
|
1071 |
||
1072 |
if (iRetcode) /* on error bail out */ |
|
1073 |
return iRetcode; |
|
1074 |
||
1075 |
#if defined(MNG_INCLUDE_LCMS) /* cleanup cms stuff */ |
|
1076 |
iRetcode = mng_clear_cms (pData); |
|
1077 |
||
1078 |
if (iRetcode) /* on error bail out */ |
|
1079 |
return iRetcode; |
|
1080 |
#endif
|
|
1081 |
}
|
|
1082 |
}
|
|
1083 |
}
|
|
1084 |
||
1085 |
#ifdef MNG_SUPPORT_TRACE
|
|
1086 |
MNG_TRACE (pData, MNG_FN_DISPLAY_IMAGE, MNG_LC_END) |
|
1087 |
#endif
|
|
1088 |
||
1089 |
return MNG_NOERROR; /* whehehe, this is good ! */ |
|
1090 |
}
|
|
1091 |
||
1092 |
/* ************************************************************************** */
|
|
1093 |
||
1094 |
mng_retcode execute_delta_image (mng_datap pData, |
|
1095 |
mng_imagep pTarget, |
|
1096 |
mng_imagep pDelta) |
|
1097 |
{
|
|
1098 |
mng_imagedatap pBuftarget = pTarget->pImgbuf; |
|
1099 |
mng_imagedatap pBufdelta = pDelta->pImgbuf; |
|
1100 |
mng_uint32 iY; |
|
1101 |
mng_retcode iRetcode; |
|
1102 |
||
1103 |
#ifdef MNG_SUPPORT_TRACE
|
|
1104 |
MNG_TRACE (pData, MNG_FN_EXECUTE_DELTA_IMAGE, MNG_LC_START) |
|
1105 |
#endif
|
|
1106 |
/* actively running ? */
|
|
1107 |
if ((pData->bRunning) && (!pData->bFreezing)) |
|
1108 |
{
|
|
1109 |
if (pBufdelta->bHasPLTE) /* palette in delta ? */ |
|
1110 |
{
|
|
1111 |
mng_uint32 iX; |
|
1112 |
/* new palette larger than old one ? */
|
|
1113 |
if ((!pBuftarget->bHasPLTE) || (pBuftarget->iPLTEcount < pBufdelta->iPLTEcount)) |
|
1114 |
pBuftarget->iPLTEcount = pBufdelta->iPLTEcount; |
|
1115 |
/* it's definitely got a PLTE now */
|
|
1116 |
pBuftarget->bHasPLTE = MNG_TRUE; |
|
1117 |
||
1118 |
for (iX = 0; iX < pBufdelta->iPLTEcount; iX++) |
|
1119 |
{
|
|
1120 |
pBuftarget->aPLTEentries[iX].iRed = pBufdelta->aPLTEentries[iX].iRed; |
|
1121 |
pBuftarget->aPLTEentries[iX].iGreen = pBufdelta->aPLTEentries[iX].iGreen; |
|
1122 |
pBuftarget->aPLTEentries[iX].iBlue = pBufdelta->aPLTEentries[iX].iBlue; |
|
1123 |
}
|
|
1124 |
}
|
|
1125 |
||
1126 |
if (pBufdelta->bHasTRNS) /* cheap transparency in delta ? */ |
|
1127 |
{
|
|
1128 |
switch (pData->iColortype) /* drop it into the target */ |
|
1129 |
{
|
|
1130 |
case 0: { /* gray */ |
|
1131 |
pBuftarget->iTRNSgray = pBufdelta->iTRNSgray; |
|
1132 |
pBuftarget->iTRNSred = 0; |
|
1133 |
pBuftarget->iTRNSgreen = 0; |
|
1134 |
pBuftarget->iTRNSblue = 0; |
|
1135 |
pBuftarget->iTRNScount = 0; |
|
1136 |
break; |
|
1137 |
}
|
|
1138 |
case 2: { /* rgb */ |
|
1139 |
pBuftarget->iTRNSgray = 0; |
|
1140 |
pBuftarget->iTRNSred = pBufdelta->iTRNSred; |
|
1141 |
pBuftarget->iTRNSgreen = pBufdelta->iTRNSgreen; |
|
1142 |
pBuftarget->iTRNSblue = pBufdelta->iTRNSblue; |
|
1143 |
pBuftarget->iTRNScount = 0; |
|
1144 |
break; |
|
1145 |
}
|
|
1146 |
case 3: { /* indexed */ |
|
1147 |
pBuftarget->iTRNSgray = 0; |
|
1148 |
pBuftarget->iTRNSred = 0; |
|
1149 |
pBuftarget->iTRNSgreen = 0; |
|
1150 |
pBuftarget->iTRNSblue = 0; |
|
1151 |
/* existing range smaller than new one ? */
|
|
1152 |
if ((!pBuftarget->bHasTRNS) || (pBuftarget->iTRNScount < pBufdelta->iTRNScount)) |
|
1153 |
pBuftarget->iTRNScount = pBufdelta->iTRNScount; |
|
1154 |
||
1155 |
MNG_COPY (pBuftarget->aTRNSentries, pBufdelta->aTRNSentries, pBufdelta->iTRNScount) |
|
1156 |
break; |
|
1157 |
}
|
|
1158 |
}
|
|
1159 |
||
1160 |
pBuftarget->bHasTRNS = MNG_TRUE; /* tell it it's got a tRNS now */ |
|
1161 |
}
|
|
1162 |
||
1163 |
if (pBufdelta->bHasBKGD) /* bkgd in source ? */ |
|
1164 |
{ /* drop it onto the target */ |
|
1165 |
pBuftarget->bHasBKGD = MNG_TRUE; |
|
1166 |
pBuftarget->iBKGDindex = pBufdelta->iBKGDindex; |
|
1167 |
pBuftarget->iBKGDgray = pBufdelta->iBKGDgray; |
|
1168 |
pBuftarget->iBKGDred = pBufdelta->iBKGDred; |
|
1169 |
pBuftarget->iBKGDgreen = pBufdelta->iBKGDgreen; |
|
1170 |
pBuftarget->iBKGDblue = pBufdelta->iBKGDblue; |
|
1171 |
}
|
|
1172 |
||
1173 |
if (pBufdelta->bHasGAMA) /* gamma in source ? */ |
|
1174 |
{
|
|
1175 |
pBuftarget->bHasGAMA = MNG_TRUE; /* drop it onto the target */ |
|
1176 |
pBuftarget->iGamma = pBufdelta->iGamma; |
|
1177 |
}
|
|
1178 |
||
1179 |
if (pBufdelta->bHasCHRM) /* chroma in delta ? */ |
|
1180 |
{ /* drop it onto the target */ |
|
1181 |
pBuftarget->bHasCHRM = MNG_TRUE; |
|
1182 |
pBuftarget->iWhitepointx = pBufdelta->iWhitepointx; |
|
1183 |
pBuftarget->iWhitepointy = pBufdelta->iWhitepointy; |
|
1184 |
pBuftarget->iPrimaryredx = pBufdelta->iPrimaryredx; |
|
1185 |
pBuftarget->iPrimaryredy = pBufdelta->iPrimaryredy; |
|
1186 |
pBuftarget->iPrimarygreenx = pBufdelta->iPrimarygreenx; |
|
1187 |
pBuftarget->iPrimarygreeny = pBufdelta->iPrimarygreeny; |
|
1188 |
pBuftarget->iPrimarybluex = pBufdelta->iPrimarybluex; |
|
1189 |
pBuftarget->iPrimarybluey = pBufdelta->iPrimarybluey; |
|
1190 |
}
|
|
1191 |
||
1192 |
if (pBufdelta->bHasSRGB) /* sRGB in delta ? */ |
|
1193 |
{ /* drop it onto the target */ |
|
1194 |
pBuftarget->bHasSRGB = MNG_TRUE; |
|
1195 |
pBuftarget->iRenderingintent = pBufdelta->iRenderingintent; |
|
1196 |
}
|
|
1197 |
||
1198 |
if (pBufdelta->bHasICCP) /* ICC profile in delta ? */ |
|
1199 |
{
|
|
1200 |
pBuftarget->bHasICCP = MNG_TRUE; /* drop it onto the target */ |
|
1201 |
||
1202 |
if (pBuftarget->pProfile) /* profile existed ? */ |
|
1203 |
MNG_FREEX (pData, pBuftarget->pProfile, pBuftarget->iProfilesize) |
|
1204 |
/* allocate a buffer & copy it */
|
|
1205 |
MNG_ALLOC (pData, pBuftarget->pProfile, pBufdelta->iProfilesize) |
|
1206 |
MNG_COPY (pBuftarget->pProfile, pBufdelta->pProfile, pBufdelta->iProfilesize) |
|
1207 |
/* store it's length as well */
|
|
1208 |
pBuftarget->iProfilesize = pBufdelta->iProfilesize; |
|
1209 |
}
|
|
1210 |
/* need to execute delta pixels ? */
|
|
1211 |
if ((!pData->bDeltaimmediate) && (pData->iDeltatype != MNG_DELTATYPE_NOCHANGE)) |
|
1212 |
{
|
|
1213 |
pData->fScalerow = MNG_NULL; /* not needed by default */ |
|
1214 |
||
1215 |
switch (pBuftarget->iBitdepth) /* determine scaling routine */ |
|
1216 |
{
|
|
1217 |
||
1218 |
||
1219 |
}
|
|
1220 |
||
1221 |
pData->fDeltarow = MNG_NULL; /* let's assume there's nothing to do */ |
|
1222 |
||
1223 |
switch (pBuftarget->iColortype) /* determine delta processing routine */ |
|
1224 |
{
|
|
1225 |
case 0 : ; |
|
1226 |
case 8 : { /* gray */ |
|
1227 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) || |
|
1228 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) || |
|
1229 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) ) |
|
1230 |
{
|
|
1231 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3) || |
|
1232 |
(pBufdelta->iColortype == 8)) |
|
1233 |
{
|
|
1234 |
switch (pBuftarget->iBitdepth) |
|
1235 |
{
|
|
1236 |
case 1 : { pData->fDeltarow = (mng_fptr)delta_g1_g1; break; } |
|
1237 |
case 2 : { pData->fDeltarow = (mng_fptr)delta_g2_g2; break; } |
|
1238 |
case 4 : { pData->fDeltarow = (mng_fptr)delta_g4_g4; break; } |
|
1239 |
case 8 : { pData->fDeltarow = (mng_fptr)delta_g8_g8; break; } |
|
1240 |
case 16 : { pData->fDeltarow = (mng_fptr)delta_g16_g16; break; } |
|
1241 |
}
|
|
1242 |
}
|
|
1243 |
}
|
|
1244 |
||
1245 |
break; |
|
1246 |
}
|
|
1247 |
||
1248 |
case 2 : ; |
|
1249 |
case 10 : { /* rgb */ |
|
1250 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) || |
|
1251 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) || |
|
1252 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) ) |
|
1253 |
{
|
|
1254 |
if ((pBufdelta->iColortype == 2) || (pBufdelta->iColortype == 10)) |
|
1255 |
{
|
|
1256 |
switch (pBuftarget->iBitdepth) |
|
1257 |
{
|
|
1258 |
case 8 : { pData->fDeltarow = (mng_fptr)delta_rgb8_rgb8; break; } |
|
1259 |
case 16 : { pData->fDeltarow = (mng_fptr)delta_rgb16_rgb16; break; } |
|
1260 |
}
|
|
1261 |
}
|
|
1262 |
}
|
|
1263 |
||
1264 |
break; |
|
1265 |
}
|
|
1266 |
||
1267 |
case 3 : { /* indexed; abuse gray routines */ |
|
1268 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) || |
|
1269 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) || |
|
1270 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) ) |
|
1271 |
{
|
|
1272 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3)) |
|
1273 |
{
|
|
1274 |
switch (pBuftarget->iBitdepth) |
|
1275 |
{
|
|
1276 |
case 1 : { pData->fDeltarow = (mng_fptr)delta_g1_g1; break; } |
|
1277 |
case 2 : { pData->fDeltarow = (mng_fptr)delta_g2_g2; break; } |
|
1278 |
case 4 : { pData->fDeltarow = (mng_fptr)delta_g4_g4; break; } |
|
1279 |
case 8 : { pData->fDeltarow = (mng_fptr)delta_g8_g8; break; } |
|
1280 |
}
|
|
1281 |
}
|
|
1282 |
}
|
|
1283 |
||
1284 |
break; |
|
1285 |
}
|
|
1286 |
||
1287 |
case 4 : ; |
|
1288 |
case 12 : { /* gray + alpha */ |
|
1289 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) || |
|
1290 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) || |
|
1291 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) ) |
|
1292 |
{
|
|
1293 |
if ((pBufdelta->iColortype == 4) || (pBufdelta->iColortype == 12)) |
|
1294 |
{
|
|
1295 |
switch (pBuftarget->iBitdepth) |
|
1296 |
{
|
|
1297 |
case 8 : { pData->fDeltarow = (mng_fptr)delta_ga8_ga8; break; } |
|
1298 |
case 16 : { pData->fDeltarow = (mng_fptr)delta_ga16_ga16; break; } |
|
1299 |
}
|
|
1300 |
}
|
|
1301 |
}
|
|
1302 |
else
|
|
1303 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) || |
|
1304 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) ) |
|
1305 |
{
|
|
1306 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3) || |
|
1307 |
(pBufdelta->iColortype == 8)) |
|
1308 |
{
|
|
1309 |
switch (pBuftarget->iBitdepth) |
|
1310 |
{
|
|
1311 |
case 8 : { pData->fDeltarow = (mng_fptr)delta_ga8_g8; break; } |
|
1312 |
case 16 : { pData->fDeltarow = (mng_fptr)delta_ga16_g16; break; } |
|
1313 |
}
|
|
1314 |
}
|
|
1315 |
}
|
|
1316 |
else
|
|
1317 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) || |
|
1318 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) ) |
|
1319 |
{
|
|
1320 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3)) |
|
1321 |
{
|
|
1322 |
switch (pBuftarget->iBitdepth) |
|
1323 |
{
|
|
1324 |
case 8 : { pData->fDeltarow = (mng_fptr)delta_ga8_a8; break; } |
|
1325 |
case 16 : { pData->fDeltarow = (mng_fptr)delta_ga16_a16; break; } |
|
1326 |
}
|
|
1327 |
}
|
|
1328 |
}
|
|
1329 |
||
1330 |
break; |
|
1331 |
}
|
|
1332 |
||
1333 |
case 6 : ; |
|
1334 |
case 14 : { /* rgb + alpha */ |
|
1335 |
if ((pData->iDeltatype == MNG_DELTATYPE_REPLACE ) || |
|
1336 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) || |
|
1337 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) ) |
|
1338 |
{
|
|
1339 |
if ((pBufdelta->iColortype == 6) || (pBufdelta->iColortype == 14)) |
|
1340 |
{
|
|
1341 |
switch (pBuftarget->iBitdepth) |
|
1342 |
{
|
|
1343 |
case 8 : { pData->fDeltarow = (mng_fptr)delta_rgba8_rgba8; break; } |
|
1344 |
case 16 : { pData->fDeltarow = (mng_fptr)delta_rgba16_rgba16; break; } |
|
1345 |
}
|
|
1346 |
}
|
|
1347 |
}
|
|
1348 |
else
|
|
1349 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) || |
|
1350 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) ) |
|
1351 |
{
|
|
1352 |
if ((pBufdelta->iColortype == 2) || (pBufdelta->iColortype == 10)) |
|
1353 |
{
|
|
1354 |
switch (pBuftarget->iBitdepth) |
|
1355 |
{
|
|
1356 |
case 8 : { pData->fDeltarow = (mng_fptr)delta_rgba8_rgb8; break; } |
|
1357 |
case 16 : { pData->fDeltarow = (mng_fptr)delta_rgba16_rgb16; break; } |
|
1358 |
}
|
|
1359 |
}
|
|
1360 |
}
|
|
1361 |
else
|
|
1362 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) || |
|
1363 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) ) |
|
1364 |
{
|
|
1365 |
if ((pBufdelta->iColortype == 0) || (pBufdelta->iColortype == 3)) |
|
1366 |
{
|
|
1367 |
switch (pBuftarget->iBitdepth) |
|
1368 |
{
|
|
1369 |
case 8 : { pData->fDeltarow = (mng_fptr)delta_rgba8_a8; break; } |
|
1370 |
case 16 : { pData->fDeltarow = (mng_fptr)delta_rgba16_a16; break; } |
|
1371 |
}
|
|
1372 |
}
|
|
1373 |
}
|
|
1374 |
||
1375 |
break; |
|
1376 |
}
|
|
1377 |
||
1378 |
}
|
|
1379 |
||
1380 |
if (pData->fDeltarow) /* do we need to take action ? */ |
|
1381 |
{
|
|
1382 |
pData->iPass = -1; /* setup row dimensions and stuff */ |
|
1383 |
pData->iRow = pData->iDeltaBlocky; |
|
1384 |
pData->iRowinc = 1; |
|
1385 |
pData->iCol = pData->iDeltaBlockx; |
|
1386 |
pData->iColinc = 1; |
|
1387 |
pData->iRowsamples = pBufdelta->iWidth; |
|
1388 |
pData->iRowsize = pBuftarget->iRowsize; |
|
1389 |
/* indicate where to retrieve & where to store */
|
|
1390 |
pData->pRetrieveobj = (mng_objectp)pDelta; |
|
1391 |
pData->pStoreobj = (mng_objectp)pTarget; |
|
1392 |
||
1393 |
if (pData->pRGBArow) /* prevent duplicate allocation! */ |
|
1394 |
MNG_FREE (pData, pData->pRGBArow, (pData->iDatawidth << 3)) |
|
1395 |
/* get a temporary row-buffer */
|
|
1396 |
MNG_ALLOC (pData, pData->pRGBArow, pBufdelta->iRowsize) |
|
1397 |
||
1398 |
iY = 0; /* this is where we start */ |
|
1399 |
iRetcode = MNG_NOERROR; /* still oke for now */ |
|
1400 |
||
1401 |
while ((!iRetcode) && (iY < pBufdelta->iHeight)) |
|
1402 |
{ /* get a row */ |
|
1403 |
mng_uint8p pWork = pBufdelta->pImgdata + (iY * pBufdelta->iRowsize); |
|
1404 |
||
1405 |
MNG_COPY (pData->pRGBArow, pWork, pBufdelta->iRowsize); |
|
1406 |
||
1407 |
if (pData->fScalerow) /* scale it (if necessary) */ |
|
1408 |
iRetcode = ((mng_scalerow)pData->fScalerow) (pData); |
|
1409 |
||
1410 |
if (!iRetcode) /* and... execute it */ |
|
1411 |
iRetcode = ((mng_deltarow)pData->fDeltarow) (pData); |
|
1412 |
||
1413 |
if (!iRetcode) /* adjust variables for next row */ |
|
1414 |
iRetcode = next_row (pData); |
|
1415 |
||
1416 |
iY++; /* and next line */ |
|
1417 |
}
|
|
1418 |
/* drop the temporary row-buffer */
|
|
1419 |
MNG_FREE (pData, pData->pRGBArow, pBufdelta->iRowsize) |
|
1420 |
||
1421 |
if (iRetcode) /* on error bail out */ |
|
1422 |
return iRetcode; |
|
1423 |
||
1424 |
}
|
|
1425 |
else
|
|
1426 |
MNG_ERROR (pData, MNG_INVALIDDELTA) |
|
1427 |
||
1428 |
}
|
|
1429 |
}
|
|
1430 |
||
1431 |
#ifdef MNG_SUPPORT_TRACE
|
|
1432 |
MNG_TRACE (pData, MNG_FN_EXECUTE_DELTA_IMAGE, MNG_LC_END) |
|
1433 |
#endif
|
|
1434 |
||
1435 |
return MNG_NOERROR; |
|
1436 |
}
|
|
1437 |
||
1438 |
/* ************************************************************************** */
|
|
1439 |
||
1440 |
mng_retcode save_state (mng_datap pData) |
|
1441 |
{
|
|
1442 |
mng_savedatap pSave; |
|
1443 |
mng_imagep pImage; |
|
1444 |
||
1445 |
#ifdef MNG_SUPPORT_TRACE
|
|
1446 |
MNG_TRACE (pData, MNG_FN_SAVE_STATE, MNG_LC_START) |
|
1447 |
#endif
|
|
1448 |
||
1449 |
if (pData->pSavedata) /* sanity check */ |
|
1450 |
MNG_ERROR (pData, MNG_INTERNALERROR) |
|
1451 |
/* get a buffer for saving */
|
|
1452 |
MNG_ALLOC (pData, pData->pSavedata, sizeof (mng_savedata)) |
|
1453 |
||
1454 |
pSave = pData->pSavedata; /* address it more directly */ |
|
1455 |
/* and copy global data from the main struct */
|
|
1456 |
#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE)
|
|
1457 |
pSave->bHasglobalPLTE = pData->bHasglobalPLTE; |
|
1458 |
pSave->bHasglobalTRNS = pData->bHasglobalTRNS; |
|
1459 |
pSave->bHasglobalGAMA = pData->bHasglobalGAMA; |
|
1460 |
pSave->bHasglobalCHRM = pData->bHasglobalCHRM; |
|
1461 |
pSave->bHasglobalSRGB = pData->bHasglobalSRGB; |
|
1462 |
pSave->bHasglobalICCP = pData->bHasglobalICCP; |
|
1463 |
pSave->bHasglobalBKGD = pData->bHasglobalBKGD; |
|
1464 |
#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */ |
|
1465 |
||
1466 |
pSave->iBACKred = pData->iBACKred; |
|
1467 |
pSave->iBACKgreen = pData->iBACKgreen; |
|
1468 |
pSave->iBACKblue = pData->iBACKblue; |
|
1469 |
pSave->iBACKmandatory = pData->iBACKmandatory; |
|
1470 |
pSave->iBACKimageid = pData->iBACKimageid; |
|
1471 |
pSave->iBACKtile = pData->iBACKtile; |
|
1472 |
||
1473 |
pSave->iFRAMmode = pData->iFRAMmode; |
|
1474 |
pSave->iFRAMdelay = pData->iFRAMdelay; |
|
1475 |
pSave->iFRAMtimeout = pData->iFRAMtimeout; |
|
1476 |
pSave->bFRAMclipping = pData->bFRAMclipping; |
|
1477 |
pSave->iFRAMclipl = pData->iFRAMclipl; |
|
1478 |
pSave->iFRAMclipr = pData->iFRAMclipr; |
|
1479 |
pSave->iFRAMclipt = pData->iFRAMclipt; |
|
1480 |
pSave->iFRAMclipb = pData->iFRAMclipb; |
|
1481 |
||
1482 |
pSave->iGlobalPLTEcount = pData->iGlobalPLTEcount; |
|
1483 |
||
1484 |
MNG_COPY (pSave->aGlobalPLTEentries, pData->aGlobalPLTEentries, sizeof (mng_rgbpaltab)) |
|
1485 |
||
1486 |
pSave->iGlobalTRNSrawlen = pData->iGlobalTRNSrawlen; |
|
1487 |
MNG_COPY (pSave->aGlobalTRNSrawdata, pData->aGlobalTRNSrawdata, 256) |
|
1488 |
||
1489 |
pSave->iGlobalGamma = pData->iGlobalGamma; |
|
1490 |
||
1491 |
pSave->iGlobalWhitepointx = pData->iGlobalWhitepointx; |
|
1492 |
pSave->iGlobalWhitepointy = pData->iGlobalWhitepointy; |
|
1493 |
pSave->iGlobalPrimaryredx = pData->iGlobalPrimaryredx; |
|
1494 |
pSave->iGlobalPrimaryredy = pData->iGlobalPrimaryredy; |
|
1495 |
pSave->iGlobalPrimarygreenx = pData->iGlobalPrimarygreenx; |
|
1496 |
pSave->iGlobalPrimarygreeny = pData->iGlobalPrimarygreeny; |
|
1497 |
pSave->iGlobalPrimarybluex = pData->iGlobalPrimarybluex; |
|
1498 |
pSave->iGlobalPrimarybluey = pData->iGlobalPrimarybluey; |
|
1499 |
||
1500 |
pSave->iGlobalRendintent = pData->iGlobalRendintent; |
|
1501 |
||
1502 |
pSave->iGlobalProfilesize = pData->iGlobalProfilesize; |
|
1503 |
||
1504 |
if (pSave->iGlobalProfilesize) /* has a profile ? */ |
|
1505 |
{ /* then copy that ! */ |
|
1506 |
MNG_ALLOC (pData, pSave->pGlobalProfile, pSave->iGlobalProfilesize) |
|
1507 |
MNG_COPY (pSave->pGlobalProfile, pData->pGlobalProfile, pSave->iGlobalProfilesize) |
|
1508 |
}
|
|
1509 |
||
1510 |
pSave->iGlobalBKGDred = pData->iGlobalBKGDred; |
|
1511 |
pSave->iGlobalBKGDgreen = pData->iGlobalBKGDgreen; |
|
1512 |
pSave->iGlobalBKGDblue = pData->iGlobalBKGDblue; |
|
1513 |
||
1514 |
/* freeze current image objects */
|
|
1515 |
pImage = (mng_imagep)pData->pFirstimgobj; |
|
1516 |
||
1517 |
while (pImage) |
|
1518 |
{ /* freeze the object AND it's buffer */ |
|
1519 |
pImage->bFrozen = MNG_TRUE; |
|
1520 |
pImage->pImgbuf->bFrozen = MNG_TRUE; |
|
1521 |
/* neeeext */
|
|
1522 |
pImage = (mng_imagep)pImage->sHeader.pNext; |
|
1523 |
}
|
|
1524 |
||
1525 |
#ifdef MNG_SUPPORT_TRACE
|
|
1526 |
MNG_TRACE (pData, MNG_FN_SAVE_STATE, MNG_LC_END) |
|
1527 |
#endif
|
|
1528 |
||
1529 |
return MNG_NOERROR; |
|
1530 |
}
|
|
1531 |
||
1532 |
/* ************************************************************************** */
|
|
1533 |
||
1534 |
mng_retcode mng_reset_objzero (mng_datap pData) |
|
1535 |
{
|
|
1536 |
mng_imagep pImage = (mng_imagep)pData->pObjzero; |
|
1537 |
mng_retcode iRetcode = reset_object_details (pData, pImage, 0, 0, 0, |
|
1538 |
0, 0, 0, 0, MNG_TRUE); |
|
1539 |
||
1540 |
if (iRetcode) /* on error bail out */ |
|
1541 |
return iRetcode; |
|
1542 |
||
1543 |
pImage->bVisible = MNG_TRUE; |
|
1544 |
pImage->bViewable = MNG_TRUE; |
|
1545 |
pImage->iPosx = 0; |
|
1546 |
pImage->iPosy = 0; |
|
1547 |
pImage->bClipped = MNG_FALSE; |
|
1548 |
pImage->iClipl = 0; |
|
1549 |
pImage->iClipr = 0; |
|
1550 |
pImage->iClipt = 0; |
|
1551 |
pImage->iClipb = 0; |
|
1552 |
pImage->iMAGN_MethodX = 0; |
|
1553 |
pImage->iMAGN_MethodY = 0; |
|
1554 |
pImage->iMAGN_MX = 0; |
|
1555 |
pImage->iMAGN_MY = 0; |
|
1556 |
pImage->iMAGN_ML = 0; |
|
1557 |
pImage->iMAGN_MR = 0; |
|
1558 |
pImage->iMAGN_MT = 0; |
|
1559 |
pImage->iMAGN_MB = 0; |
|
1560 |
||
1561 |
return MNG_NOERROR; |
|
1562 |
}
|
|
1563 |
||
1564 |
/* ************************************************************************** */
|
|
1565 |
||
1566 |
mng_retcode restore_state (mng_datap pData) |
|
1567 |
{
|
|
1568 |
mng_savedatap pSave; |
|
1569 |
mng_imagep pImage; |
|
1570 |
mng_retcode iRetcode; |
|
1571 |
||
1572 |
#ifdef MNG_SUPPORT_TRACE
|
|
1573 |
MNG_TRACE (pData, MNG_FN_RESTORE_STATE, MNG_LC_START) |
|
1574 |
#endif
|
|
1575 |
/* restore object 0 status !!! */
|
|
1576 |
iRetcode = mng_reset_objzero (pData); |
|
1577 |
||
1578 |
if (iRetcode) /* on error bail out */ |
|
1579 |
return iRetcode; |
|
1580 |
/* fresh cycle; fake no frames done yet */
|
|
1581 |
pData->bFramedone = MNG_FALSE; |
|
1582 |
||
1583 |
if (pData->pSavedata) /* do we have a saved state ? */ |
|
1584 |
{
|
|
1585 |
pSave = pData->pSavedata; /* address it more directly */ |
|
1586 |
/* and copy it back to the main struct */
|
|
1587 |
#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE)
|
|
1588 |
pData->bHasglobalPLTE = pSave->bHasglobalPLTE; |
|
1589 |
pData->bHasglobalTRNS = pSave->bHasglobalTRNS; |
|
1590 |
pData->bHasglobalGAMA = pSave->bHasglobalGAMA; |
|
1591 |
pData->bHasglobalCHRM = pSave->bHasglobalCHRM; |
|
1592 |
pData->bHasglobalSRGB = pSave->bHasglobalSRGB; |
|
1593 |
pData->bHasglobalICCP = pSave->bHasglobalICCP; |
|
1594 |
pData->bHasglobalBKGD = pSave->bHasglobalBKGD; |
|
1595 |
#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */ |
|
1596 |
||
1597 |
pData->iBACKred = pSave->iBACKred; |
|
1598 |
pData->iBACKgreen = pSave->iBACKgreen; |
|
1599 |
pData->iBACKblue = pSave->iBACKblue; |
|
1600 |
pData->iBACKmandatory = pSave->iBACKmandatory; |
|
1601 |
pData->iBACKimageid = pSave->iBACKimageid; |
|
1602 |
pData->iBACKtile = pSave->iBACKtile; |
|
1603 |
||
1604 |
pData->iFRAMmode = pSave->iFRAMmode; |
|
1605 |
pData->iFRAMdelay = pSave->iFRAMdelay; |
|
1606 |
pData->iFRAMtimeout = pSave->iFRAMtimeout; |
|
1607 |
pData->bFRAMclipping = pSave->bFRAMclipping; |
|
1608 |
pData->iFRAMclipl = pSave->iFRAMclipl; |
|
1609 |
pData->iFRAMclipr = pSave->iFRAMclipr; |
|
1610 |
pData->iFRAMclipt = pSave->iFRAMclipt; |
|
1611 |
pData->iFRAMclipb = pSave->iFRAMclipb; |
|
1612 |
/* also the next subframe parms */
|
|
1613 |
pData->iFramemode = pSave->iFRAMmode; |
|
1614 |
pData->iFramedelay = pSave->iFRAMdelay; |
|
1615 |
pData->iFrametimeout = pSave->iFRAMtimeout; |
|
1616 |
pData->bFrameclipping = pSave->bFRAMclipping; |
|
1617 |
pData->iFrameclipl = pSave->iFRAMclipl; |
|
1618 |
pData->iFrameclipr = pSave->iFRAMclipr; |
|
1619 |
pData->iFrameclipt = pSave->iFRAMclipt; |
|
1620 |
pData->iFrameclipb = pSave->iFRAMclipb; |
|
1621 |
||
1622 |
pData->iNextdelay = pSave->iFRAMdelay; |
|
1623 |
||
1624 |
pData->iGlobalPLTEcount = pSave->iGlobalPLTEcount; |
|
1625 |
MNG_COPY (pData->aGlobalPLTEentries, pSave->aGlobalPLTEentries, sizeof (mng_rgbpaltab)) |
|
1626 |
||
1627 |
pData->iGlobalTRNSrawlen = pSave->iGlobalTRNSrawlen; |
|
1628 |
MNG_COPY (pData->aGlobalTRNSrawdata, pSave->aGlobalTRNSrawdata, 256) |
|
1629 |
||
1630 |
pData->iGlobalGamma = pSave->iGlobalGamma; |
|
1631 |
||
1632 |
pData->iGlobalWhitepointx = pSave->iGlobalWhitepointx; |
|
1633 |
pData->iGlobalWhitepointy = pSave->iGlobalWhitepointy; |
|
1634 |
pData->iGlobalPrimaryredx = pSave->iGlobalPrimaryredx; |
|
1635 |
pData->iGlobalPrimaryredy = pSave->iGlobalPrimaryredy; |
|
1636 |
pData->iGlobalPrimarygreenx = pSave->iGlobalPrimarygreenx; |
|
1637 |
pData->iGlobalPrimarygreeny = pSave->iGlobalPrimarygreeny; |
|
1638 |
pData->iGlobalPrimarybluex = pSave->iGlobalPrimarybluex; |
|
1639 |
pData->iGlobalPrimarybluey = pSave->iGlobalPrimarybluey; |
|
1640 |
||
1641 |
pData->iGlobalRendintent = pSave->iGlobalRendintent; |
|
1642 |
||
1643 |
pData->iGlobalProfilesize = pSave->iGlobalProfilesize; |
|
1644 |
||
1645 |
if (pData->iGlobalProfilesize) /* has a profile ? */ |
|
1646 |
{ /* then copy that ! */ |
|
1647 |
MNG_ALLOC (pData, pData->pGlobalProfile, pData->iGlobalProfilesize) |
|
1648 |
MNG_COPY (pData->pGlobalProfile, pSave->pGlobalProfile, pData->iGlobalProfilesize) |
|
1649 |
}
|
|
1650 |
||
1651 |
pData->iGlobalBKGDred = pSave->iGlobalBKGDred; |
|
1652 |
pData->iGlobalBKGDgreen = pSave->iGlobalBKGDgreen; |
|
1653 |
pData->iGlobalBKGDblue = pSave->iGlobalBKGDblue; |
|
1654 |
}
|
|
1655 |
else /* no saved-data; so reset the lot */ |
|
1656 |
{
|
|
1657 |
#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE)
|
|
1658 |
pData->bHasglobalPLTE = MNG_FALSE; |
|
1659 |
pData->bHasglobalTRNS = MNG_FALSE; |
|
1660 |
pData->bHasglobalGAMA = MNG_FALSE; |
|
1661 |
pData->bHasglobalCHRM = MNG_FALSE; |
|
1662 |
pData->bHasglobalSRGB = MNG_FALSE; |
|
1663 |
pData->bHasglobalICCP = MNG_FALSE; |
|
1664 |
pData->bHasglobalBKGD = MNG_FALSE; |
|
1665 |
#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */ |
|
1666 |
||
1667 |
if (!pData->bEMNGMAhack) /* TODO: remove line in 1.0.0 !!! */ |
|
1668 |
{ /* TODO: remove line in 1.0.0 !!! */ |
|
1669 |
pData->iBACKred = 0; |
|
1670 |
pData->iBACKgreen = 0; |
|
1671 |
pData->iBACKblue = 0; |
|
1672 |
pData->iBACKmandatory = 0; |
|
1673 |
pData->iBACKimageid = 0; |
|
1674 |
pData->iBACKtile = 0; |
|
1675 |
} /* TODO: remove line in 1.0.0 !!! */ |
|
1676 |
||
1677 |
pData->iFRAMmode = 1; |
|
1678 |
pData->iFRAMdelay = 1; |
|
1679 |
pData->iFRAMtimeout = 0x7fffffffl; |
|
1680 |
pData->bFRAMclipping = MNG_FALSE; |
|
1681 |
pData->iFRAMclipl = 0; |
|
1682 |
pData->iFRAMclipr = 0; |
|
1683 |
pData->iFRAMclipt = 0; |
|
1684 |
pData->iFRAMclipb = 0; |
|
1685 |
/* also the next subframe parms */
|
|
1686 |
pData->iFramemode = 1; |
|
1687 |
pData->iFramedelay = 1; |
|
1688 |
pData->iFrametimeout = 0x7fffffffl; |
|
1689 |
pData->bFrameclipping = MNG_FALSE; |
|
1690 |
pData->iFrameclipl = 0; |
|
1691 |
pData->iFrameclipr = 0; |
|
1692 |
pData->iFrameclipt = 0; |
|
1693 |
pData->iFrameclipb = 0; |
|
1694 |
||
1695 |
pData->iNextdelay = 1; |
|
1696 |
||
1697 |
pData->iGlobalPLTEcount = 0; |
|
1698 |
||
1699 |
pData->iGlobalTRNSrawlen = 0; |
|
1700 |
||
1701 |
pData->iGlobalGamma = 0; |
|
1702 |
||
1703 |
pData->iGlobalWhitepointx = 0; |
|
1704 |
pData->iGlobalWhitepointy = 0; |
|
1705 |
pData->iGlobalPrimaryredx = 0; |
|
1706 |
pData->iGlobalPrimaryredy = 0; |
|
1707 |
pData->iGlobalPrimarygreenx = 0; |
|
1708 |
pData->iGlobalPrimarygreeny = 0; |
|
1709 |
pData->iGlobalPrimarybluex = 0; |
|
1710 |
pData->iGlobalPrimarybluey = 0; |
|
1711 |
||
1712 |
pData->iGlobalRendintent = 0; |
|
1713 |
||
1714 |
if (pData->iGlobalProfilesize) /* free a previous profile ? */ |
|
1715 |
MNG_FREE (pData, pData->pGlobalProfile, pData->iGlobalProfilesize) |
|
1716 |
||
1717 |
pData->iGlobalProfilesize = 0; |
|
1718 |
||
1719 |
pData->iGlobalBKGDred = 0; |
|
1720 |
pData->iGlobalBKGDgreen = 0; |
|
1721 |
pData->iGlobalBKGDblue = 0; |
|
1722 |
}
|
|
1723 |
||
1724 |
if (!pData->bEMNGMAhack) /* TODO: remove line in 1.0.0 !!! */ |
|
1725 |
{ /* TODO: remove line in 1.0.0 !!! */ |
|
1726 |
/* drop un-frozen image objects */
|
|
1727 |
pImage = (mng_imagep)pData->pFirstimgobj; |
|
1728 |
||
1729 |
while (pImage) |
|
1730 |
{ /* is it un-frozen ? */ |
|
1731 |
if (!pImage->bFrozen) |
|
1732 |
{
|
|
1733 |
mng_imagep pPrev = (mng_imagep)pImage->sHeader.pPrev; |
|
1734 |
mng_imagep pNext = (mng_imagep)pImage->sHeader.pNext; |
|
1735 |
||
1736 |
if (pPrev) /* unlink it */ |
|
1737 |
pPrev->sHeader.pNext = pNext; |
|
1738 |
else
|
|
1739 |
pData->pFirstimgobj = pNext; |
|
1740 |
||
1741 |
if (pNext) |
|
1742 |
pNext->sHeader.pPrev = pPrev; |
|
1743 |
else
|
|
1744 |
pData->pLastimgobj = pPrev; |
|
1745 |
||
1746 |
if (pImage->pImgbuf->bFrozen) /* buffer frozen ? */ |
|
1747 |
{
|
|
1748 |
if (pImage->pImgbuf->iRefcount <= 2) |
|
1749 |
MNG_ERROR (pData, MNG_INTERNALERROR) |
|
1750 |
/* decrease ref counter */
|
|
1751 |
pImage->pImgbuf->iRefcount--; |
|
1752 |
/* just cleanup the object then */
|
|
1753 |
MNG_FREEX (pData, pImage, sizeof (mng_image)) |
|
1754 |
}
|
|
1755 |
else
|
|
1756 |
{ /* free the image buffer */ |
|
1757 |
iRetcode = free_imagedataobject (pData, pImage->pImgbuf); |
|
1758 |
/* and cleanup the object */
|
|
1759 |
MNG_FREEX (pData, pImage, sizeof (mng_image)) |
|
1760 |
||
1761 |
if (iRetcode) /* on error bail out */ |
|
1762 |
return iRetcode; |
|
1763 |
}
|
|
1764 |
||
1765 |
pImage = pNext; /* this is the next */ |
|
1766 |
}
|
|
1767 |
else /* neeeext */ |
|
1768 |
pImage = (mng_imagep)pImage->sHeader.pNext; |
|
1769 |
||
1770 |
}
|
|
1771 |
} /* TODO: remove line in 1.0.0 !!! */ |
|
1772 |
||
1773 |
#ifdef MNG_SUPPORT_TRACE
|
|
1774 |
MNG_TRACE (pData, MNG_FN_RESTORE_STATE, MNG_LC_END) |
|
1775 |
#endif
|
|
1776 |
||
1777 |
return MNG_NOERROR; |
|
1778 |
}
|
|
1779 |
||
1780 |
/* ************************************************************************** */
|
|
1781 |
/* * * */
|
|
1782 |
/* * General display processing routine * */
|
|
1783 |
/* * * */
|
|
1784 |
/* ************************************************************************** */
|
|
1785 |
||
1786 |
mng_retcode process_display (mng_datap pData) |
|
1787 |
{
|
|
1788 |
mng_retcode iRetcode = MNG_NOERROR; |
|
1789 |
||
1790 |
#ifdef MNG_SUPPORT_TRACE
|
|
1791 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY, MNG_LC_START) |
|
1792 |
#endif
|
|
1793 |
||
1794 |
if (!pData->iBreakpoint) /* not broken previously ? */ |
|
1795 |
{
|
|
1796 |
if ((pData->iRequestframe) || (pData->iRequestlayer) || (pData->iRequesttime)) |
|
1797 |
{
|
|
1798 |
pData->bSearching = MNG_TRUE; /* indicate we're searching */ |
|
1799 |
||
1800 |
iRetcode = clear_canvas (pData); /* make the canvas virgin black ?!? */ |
|
1801 |
||
1802 |
if (iRetcode) /* on error bail out */ |
|
1803 |
return iRetcode; |
|
1804 |
/* let's start from the top, shall we */
|
|
1805 |
pData->pCurraniobj = pData->pFirstaniobj; |
|
1806 |
}
|
|
1807 |
}
|
|
1808 |
||
1809 |
do /* process the objects */ |
|
1810 |
{
|
|
1811 |
if (pData->bSearching) /* are we looking sor something ? */ |
|
1812 |
{
|
|
1813 |
if ((pData->iRequestframe) && |
|
1814 |
(pData->iRequestframe < ((mng_object_headerp)pData->pCurraniobj)->iFramenr)) |
|
1815 |
{
|
|
1816 |
pData->iRequestframe = 0; /* found the frame ! */ |
|
1817 |
pData->bSearching = MNG_FALSE; |
|
1818 |
}
|
|
1819 |
else
|
|
1820 |
if ((pData->iRequestlayer) && |
|
1821 |
(pData->iRequestlayer < ((mng_object_headerp)pData->pCurraniobj)->iLayernr)) |
|
1822 |
{
|
|
1823 |
pData->iRequestlayer = 0; /* found the layer ! */ |
|
1824 |
pData->bSearching = MNG_FALSE; |
|
1825 |
}
|
|
1826 |
else
|
|
1827 |
if ((pData->iRequesttime) && |
|
1828 |
(pData->iRequesttime < ((mng_object_headerp)pData->pCurraniobj)->iPlaytime)) |
|
1829 |
{
|
|
1830 |
pData->iRequesttime = 0; /* found the playtime ! */ |
|
1831 |
pData->bSearching = MNG_FALSE; |
|
1832 |
}
|
|
1833 |
}
|
|
1834 |
/* do we need to finish something first ? */
|
|
1835 |
if ((pData->iBreakpoint) && (pData->iBreakpoint < 99)) |
|
1836 |
{
|
|
1837 |
switch (pData->iBreakpoint) /* return to broken display routine */ |
|
1838 |
{
|
|
1839 |
case 1 : { iRetcode = process_display_fram2 (pData); break; } |
|
1840 |
case 3 : ; /* same as 4 !!! */ |
|
1841 |
case 4 : { iRetcode = process_display_show (pData); break; } |
|
1842 |
case 5 : { iRetcode = process_display_clon2 (pData); break; } |
|
1843 |
case 9 : { iRetcode = process_display_magn2 (pData); break; } |
|
1844 |
default : MNG_ERROR (pData, MNG_INTERNALERROR) |
|
1845 |
}
|
|
1846 |
}
|
|
1847 |
else
|
|
1848 |
{
|
|
1849 |
if (pData->pCurraniobj) |
|
1850 |
iRetcode = ((mng_object_headerp)pData->pCurraniobj)->fProcess (pData, pData->pCurraniobj); |
|
1851 |
}
|
|
1852 |
||
1853 |
if (!pData->bTimerset) /* reset breakpoint flag ? */ |
|
1854 |
pData->iBreakpoint = 0; |
|
1855 |
/* can we advance to next object ? */
|
|
1856 |
if ((!iRetcode) && (pData->pCurraniobj) && |
|
1857 |
(!pData->bTimerset) && (!pData->bSectionwait)) |
|
1858 |
{
|
|
1859 |
pData->pCurraniobj = ((mng_object_headerp)pData->pCurraniobj)->pNext; |
|
1860 |
/* MEND processing to be done ? */
|
|
1861 |
if ((pData->eImagetype == mng_it_mng) && (!pData->pCurraniobj)) |
|
1862 |
iRetcode = process_display_mend (pData); |
|
1863 |
||
1864 |
if (!pData->pCurraniobj) /* refresh after last image ? */ |
|
1865 |
pData->bNeedrefresh = MNG_TRUE; |
|
1866 |
}
|
|
1867 |
} /* until error or a break or no more objects */ |
|
1868 |
while ((!iRetcode) && (pData->pCurraniobj) && |
|
1869 |
(!pData->bTimerset) && (!pData->bSectionwait) && (!pData->bFreezing)); |
|
1870 |
||
1871 |
if (iRetcode) /* on error bail out */ |
|
1872 |
return iRetcode; |
|
1873 |
/* refresh needed ? */
|
|
1874 |
if ((!pData->bTimerset) && (pData->bNeedrefresh)) |
|
1875 |
{
|
|
1876 |
iRetcode = display_progressive_refresh (pData, 1); |
|
1877 |
||
1878 |
if (iRetcode) /* on error bail out */ |
|
1879 |
return iRetcode; |
|
1880 |
}
|
|
1881 |
/* timer break ? */
|
|
1882 |
if ((pData->bTimerset) && (!pData->iBreakpoint)) |
|
1883 |
pData->iBreakpoint = 99; |
|
1884 |
else
|
|
1885 |
if (!pData->bTimerset) |
|
1886 |
pData->iBreakpoint = 0; /* reset if no timer break */ |
|
1887 |
||
1888 |
if ((!pData->bTimerset) && (!pData->pCurraniobj)) |
|
1889 |
pData->bRunning = MNG_FALSE; /* all done now ! */ |
|
1890 |
||
1891 |
#ifdef MNG_SUPPORT_TRACE
|
|
1892 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY, MNG_LC_END) |
|
1893 |
#endif
|
|
1894 |
||
1895 |
return MNG_NOERROR; |
|
1896 |
}
|
|
1897 |
||
1898 |
/* ************************************************************************** */
|
|
1899 |
/* * * */
|
|
1900 |
/* * Chunk display processing routines * */
|
|
1901 |
/* * * */
|
|
1902 |
/* ************************************************************************** */
|
|
1903 |
||
1904 |
mng_retcode process_display_ihdr (mng_datap pData) |
|
1905 |
{ /* address the current "object" if any */ |
|
1906 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj; |
|
1907 |
||
1908 |
#ifdef MNG_SUPPORT_TRACE
|
|
1909 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IHDR, MNG_LC_START) |
|
1910 |
#endif
|
|
1911 |
||
1912 |
if (!pData->bHasDHDR) |
|
1913 |
{
|
|
1914 |
pData->fInitrowproc = MNG_NULL; /* do nothing by default */ |
|
1915 |
pData->fDisplayrow = MNG_NULL; |
|
1916 |
pData->fCorrectrow = MNG_NULL; |
|
1917 |
pData->fStorerow = MNG_NULL; |
|
1918 |
pData->fProcessrow = MNG_NULL; |
|
1919 |
pData->fDifferrow = MNG_NULL; |
|
1920 |
pData->pStoreobj = MNG_NULL; |
|
1921 |
}
|
|
1922 |
||
1923 |
if (!pData->iBreakpoint) /* not previously broken ? */ |
|
1924 |
{
|
|
1925 |
mng_retcode iRetcode = MNG_NOERROR; |
|
1926 |
||
1927 |
if (pData->bHasDHDR) /* is a delta-image ? */ |
|
1928 |
{
|
|
1929 |
if (pData->iDeltatype == MNG_DELTATYPE_REPLACE) |
|
1930 |
iRetcode = reset_object_details (pData, (mng_imagep)pData->pDeltaImage, |
|
1931 |
pData->iDatawidth, pData->iDataheight, |
|
1932 |
pData->iBitdepth, pData->iColortype, |
|
1933 |
pData->iCompression, pData->iFilter, |
|
1934 |
pData->iInterlace, MNG_TRUE); |
|
1935 |
else
|
|
1936 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) || |
|
1937 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) ) |
|
1938 |
{
|
|
1939 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iPixelsampledepth = pData->iBitdepth; |
|
1940 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iBitdepth; |
|
1941 |
}
|
|
1942 |
else
|
|
1943 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) || |
|
1944 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) ) |
|
1945 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iBitdepth; |
|
1946 |
else
|
|
1947 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) || |
|
1948 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) ) |
|
1949 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iPixelsampledepth = pData->iBitdepth; |
|
1950 |
||
1951 |
/* process immediatly if bitdepth & colortype are equal */
|
|
1952 |
pData->bDeltaimmediate = |
|
1953 |
(mng_bool)((pData->iBitdepth == ((mng_imagep)pData->pDeltaImage)->pImgbuf->iBitdepth ) && |
|
1954 |
(pData->iColortype == ((mng_imagep)pData->pDeltaImage)->pImgbuf->iColortype) ); |
|
1955 |
}
|
|
1956 |
else
|
|
1957 |
{
|
|
1958 |
if (pImage) /* update object buffer ? */ |
|
1959 |
iRetcode = reset_object_details (pData, pImage, |
|
1960 |
pData->iDatawidth, pData->iDataheight, |
|
1961 |
pData->iBitdepth, pData->iColortype, |
|
1962 |
pData->iCompression, pData->iFilter, |
|
1963 |
pData->iInterlace, MNG_TRUE); |
|
1964 |
else
|
|
1965 |
iRetcode = reset_object_details (pData, (mng_imagep)pData->pObjzero, |
|
1966 |
pData->iDatawidth, pData->iDataheight, |
|
1967 |
pData->iBitdepth, pData->iColortype, |
|
1968 |
pData->iCompression, pData->iFilter, |
|
1969 |
pData->iInterlace, MNG_TRUE); |
|
1970 |
}
|
|
1971 |
||
1972 |
if (iRetcode) /* on error bail out */ |
|
1973 |
return iRetcode; |
|
1974 |
}
|
|
1975 |
||
1976 |
if (!pData->bHasDHDR) |
|
1977 |
{
|
|
1978 |
if (pImage) /* real object ? */ |
|
1979 |
pData->pStoreobj = pImage; /* tell the row routines */ |
|
1980 |
else /* otherwise use object 0 */ |
|
1981 |
pData->pStoreobj = pData->pObjzero; |
|
1982 |
/* display "on-the-fly" ? */
|
|
1983 |
if ( (((mng_imagep)pData->pStoreobj)->iMAGN_MethodX == 0) && |
|
1984 |
(((mng_imagep)pData->pStoreobj)->iMAGN_MethodY == 0) && |
|
1985 |
( (pData->eImagetype == mng_it_png ) || |
|
1986 |
(((mng_imagep)pData->pStoreobj)->bVisible) ) ) |
|
1987 |
{
|
|
1988 |
next_layer (pData); /* that's a new layer then ! */ |
|
1989 |
||
1990 |
if (pData->bTimerset) /* timer break ? */ |
|
1991 |
pData->iBreakpoint = 2; |
|
1992 |
else
|
|
1993 |
{
|
|
1994 |
pData->iBreakpoint = 0; |
|
1995 |
/* anything to display ? */
|
|
1996 |
if ((pData->iDestr > pData->iDestl) && (pData->iDestb > pData->iDestt)) |
|
1997 |
set_display_routine (pData); /* then determine display routine */ |
|
1998 |
}
|
|
1999 |
}
|
|
2000 |
}
|
|
2001 |
||
2002 |
if (!pData->bTimerset) /* no timer break ? */ |
|
2003 |
{
|
|
2004 |
switch (pData->iColortype) /* determine row initialization routine */ |
|
2005 |
{
|
|
2006 |
case 0 : { /* gray */ |
|
2007 |
switch (pData->iBitdepth) |
|
2008 |
{
|
|
2009 |
case 1 : { |
|
2010 |
if (!pData->iInterlace) |
|
2011 |
pData->fInitrowproc = (mng_fptr)init_g1_ni; |
|
2012 |
else
|
|
2013 |
pData->fInitrowproc = (mng_fptr)init_g1_i; |
|
2014 |
||
2015 |
break; |
|
2016 |
}
|
|
2017 |
case 2 : { |
|
2018 |
if (!pData->iInterlace) |
|
2019 |
pData->fInitrowproc = (mng_fptr)init_g2_ni; |
|
2020 |
else
|
|
2021 |
pData->fInitrowproc = (mng_fptr)init_g2_i; |
|
2022 |
||
2023 |
break; |
|
2024 |
}
|
|
2025 |
case 4 : { |
|
2026 |
if (!pData->iInterlace) |
|
2027 |
pData->fInitrowproc = (mng_fptr)init_g4_ni; |
|
2028 |
else
|
|
2029 |
pData->fInitrowproc = (mng_fptr)init_g4_i; |
|
2030 |
||
2031 |
break; |
|
2032 |
}
|
|
2033 |
case 8 : { |
|
2034 |
if (!pData->iInterlace) |
|
2035 |
pData->fInitrowproc = (mng_fptr)init_g8_ni; |
|
2036 |
else
|
|
2037 |
pData->fInitrowproc = (mng_fptr)init_g8_i; |
|
2038 |
||
2039 |
break; |
|
2040 |
}
|
|
2041 |
case 16 : { |
|
2042 |
if (!pData->iInterlace) |
|
2043 |
pData->fInitrowproc = (mng_fptr)init_g16_ni; |
|
2044 |
else
|
|
2045 |
pData->fInitrowproc = (mng_fptr)init_g16_i; |
|
2046 |
||
2047 |
break; |
|
2048 |
}
|
|
2049 |
}
|
|
2050 |
||
2051 |
break; |
|
2052 |
}
|
|
2053 |
case 2 : { /* rgb */ |
|
2054 |
switch (pData->iBitdepth) |
|
2055 |
{
|
|
2056 |
case 8 : { |
|
2057 |
if (!pData->iInterlace) |
|
2058 |
pData->fInitrowproc = (mng_fptr)init_rgb8_ni; |
|
2059 |
else
|
|
2060 |
pData->fInitrowproc = (mng_fptr)init_rgb8_i; |
|
2061 |
||
2062 |
break; |
|
2063 |
}
|
|
2064 |
case 16 : { |
|
2065 |
if (!pData->iInterlace) |
|
2066 |
pData->fInitrowproc = (mng_fptr)init_rgb16_ni; |
|
2067 |
else
|
|
2068 |
pData->fInitrowproc = (mng_fptr)init_rgb16_i; |
|
2069 |
||
2070 |
break; |
|
2071 |
}
|
|
2072 |
}
|
|
2073 |
||
2074 |
break; |
|
2075 |
}
|
|
2076 |
case 3 : { /* indexed */ |
|
2077 |
switch (pData->iBitdepth) |
|
2078 |
{
|
|
2079 |
case 1 : { |
|
2080 |
if (!pData->iInterlace) |
|
2081 |
pData->fInitrowproc = (mng_fptr)init_idx1_ni; |
|
2082 |
else
|
|
2083 |
pData->fInitrowproc = (mng_fptr)init_idx1_i; |
|
2084 |
||
2085 |
break; |
|
2086 |
}
|
|
2087 |
case 2 : { |
|
2088 |
if (!pData->iInterlace) |
|
2089 |
pData->fInitrowproc = (mng_fptr)init_idx2_ni; |
|
2090 |
else
|
|
2091 |
pData->fInitrowproc = (mng_fptr)init_idx2_i; |
|
2092 |
||
2093 |
break; |
|
2094 |
}
|
|
2095 |
case 4 : { |
|
2096 |
if (!pData->iInterlace) |
|
2097 |
pData->fInitrowproc = (mng_fptr)init_idx4_ni; |
|
2098 |
else
|
|
2099 |
pData->fInitrowproc = (mng_fptr)init_idx4_i; |
|
2100 |
||
2101 |
break; |
|
2102 |
}
|
|
2103 |
case 8 : { |
|
2104 |
if (!pData->iInterlace) |
|
2105 |
pData->fInitrowproc = (mng_fptr)init_idx8_ni; |
|
2106 |
else
|
|
2107 |
pData->fInitrowproc = (mng_fptr)init_idx8_i; |
|
2108 |
||
2109 |
break; |
|
2110 |
}
|
|
2111 |
}
|
|
2112 |
||
2113 |
break; |
|
2114 |
}
|
|
2115 |
case 4 : { /* gray+alpha */ |
|
2116 |
switch (pData->iBitdepth) |
|
2117 |
{
|
|
2118 |
case 8 : { |
|
2119 |
if (!pData->iInterlace) |
|
2120 |
pData->fInitrowproc = (mng_fptr)init_ga8_ni; |
|
2121 |
else
|
|
2122 |
pData->fInitrowproc = (mng_fptr)init_ga8_i; |
|
2123 |
||
2124 |
break; |
|
2125 |
}
|
|
2126 |
case 16 : { |
|
2127 |
if (!pData->iInterlace) |
|
2128 |
pData->fInitrowproc = (mng_fptr)init_ga16_ni; |
|
2129 |
else
|
|
2130 |
pData->fInitrowproc = (mng_fptr)init_ga16_i; |
|
2131 |
||
2132 |
break; |
|
2133 |
}
|
|
2134 |
}
|
|
2135 |
||
2136 |
break; |
|
2137 |
}
|
|
2138 |
case 6 : { /* rgb+alpha */ |
|
2139 |
switch (pData->iBitdepth) |
|
2140 |
{
|
|
2141 |
case 8 : { |
|
2142 |
if (!pData->iInterlace) |
|
2143 |
pData->fInitrowproc = (mng_fptr)init_rgba8_ni; |
|
2144 |
else
|
|
2145 |
pData->fInitrowproc = (mng_fptr)init_rgba8_i; |
|
2146 |
||
2147 |
break; |
|
2148 |
}
|
|
2149 |
case 16 : { |
|
2150 |
if (!pData->iInterlace) |
|
2151 |
pData->fInitrowproc = (mng_fptr)init_rgba16_ni; |
|
2152 |
else
|
|
2153 |
pData->fInitrowproc = (mng_fptr)init_rgba16_i; |
|
2154 |
||
2155 |
break; |
|
2156 |
}
|
|
2157 |
}
|
|
2158 |
||
2159 |
break; |
|
2160 |
}
|
|
2161 |
}
|
|
2162 |
||
2163 |
pData->iFilterofs = 0; /* determine filter characteristics */ |
|
2164 |
pData->iLevel0 = 0; /* default levels */ |
|
2165 |
pData->iLevel1 = 0; |
|
2166 |
pData->iLevel2 = 0; |
|
2167 |
pData->iLevel3 = 0; |
|
2168 |
/* leveling & differing ? */
|
|
2169 |
/* if (pData->iFilter & 0x40)
|
|
2170 |
{
|
|
2171 |
switch (pData->iColortype)
|
|
2172 |
{
|
|
2173 |
case 0 : {
|
|
2174 |
if (pData->iBitdepth <= 8)
|
|
2175 |
pData->iFilterofs = 1;
|
|
2176 |
else
|
|
2177 |
pData->iFilterofs = 2;
|
|
2178 |
||
2179 |
break;
|
|
2180 |
}
|
|
2181 |
case 2 : {
|
|
2182 |
if (pData->iBitdepth <= 8)
|
|
2183 |
pData->iFilterofs = 3;
|
|
2184 |
else
|
|
2185 |
pData->iFilterofs = 6;
|
|
2186 |
||
2187 |
break;
|
|
2188 |
}
|
|
2189 |
case 3 : {
|
|
2190 |
pData->iFilterofs = 1;
|
|
2191 |
break;
|
|
2192 |
}
|
|
2193 |
case 4 : {
|
|
2194 |
if (pData->iBitdepth <= 8)
|
|
2195 |
pData->iFilterofs = 2;
|
|
2196 |
else
|
|
2197 |
pData->iFilterofs = 4;
|
|
2198 |
||
2199 |
break;
|
|
2200 |
}
|
|
2201 |
case 6 : {
|
|
2202 |
if (pData->iBitdepth <= 8)
|
|
2203 |
pData->iPixelofs = 5;
|
|
2204 |
else
|
|
2205 |
pData->iFilterofs = 8;
|
|
2206 |
||
2207 |
break;
|
|
2208 |
}
|
|
2209 |
}
|
|
2210 |
} */
|
|
2211 |
/* no adaptive filtering ? */
|
|
2212 |
/* if (pData->iFilter & 0x01)
|
|
2213 |
pData->iPixelofs = pData->iFilterofs;
|
|
2214 |
else */
|
|
2215 |
pData->iPixelofs = pData->iFilterofs + 1; |
|
2216 |
||
2217 |
}
|
|
2218 |
||
2219 |
#ifdef MNG_SUPPORT_TRACE
|
|
2220 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IHDR, MNG_LC_END) |
|
2221 |
#endif
|
|
2222 |
||
2223 |
return MNG_NOERROR; |
|
2224 |
}
|
|
2225 |
||
2226 |
/* ************************************************************************** */
|
|
2227 |
||
2228 |
mng_retcode process_display_idat (mng_datap pData, |
|
2229 |
mng_uint32 iRawlen, |
|
2230 |
mng_uint8p pRawdata) |
|
2231 |
{
|
|
2232 |
mng_retcode iRetcode = MNG_NOERROR; |
|
2233 |
||
2234 |
#ifdef MNG_SUPPORT_TRACE
|
|
2235 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IDAT, MNG_LC_START) |
|
2236 |
#endif
|
|
2237 |
||
2238 |
if (pData->bRestorebkgd) /* need to restore the background ? */ |
|
2239 |
{
|
|
2240 |
pData->bRestorebkgd = MNG_FALSE; |
|
2241 |
iRetcode = load_bkgdlayer (pData); |
|
2242 |
||
2243 |
if (iRetcode) /* on error bail out */ |
|
2244 |
return iRetcode; |
|
2245 |
||
2246 |
if ((pData->bDisplaying) && (pData->bRunning)) |
|
2247 |
pData->iLayerseq++; /* and it counts as a layer then ! */ |
|
2248 |
}
|
|
2249 |
||
2250 |
if (pData->fInitrowproc) /* need to initialize row processing? */ |
|
2251 |
{
|
|
2252 |
iRetcode = ((mng_initrowproc)pData->fInitrowproc) (pData); |
|
2253 |
pData->fInitrowproc = MNG_NULL; /* only call this once !!! */ |
|
2254 |
}
|
|
2255 |
||
2256 |
if ((!iRetcode) && (!pData->bInflating)) |
|
2257 |
/* initialize inflate */
|
|
2258 |
iRetcode = mngzlib_inflateinit (pData); |
|
2259 |
||
2260 |
if (!iRetcode) /* all ok? then inflate, my man */ |
|
2261 |
iRetcode = mngzlib_inflaterows (pData, iRawlen, pRawdata); |
|
2262 |
||
2263 |
if (iRetcode) /* on error bail out */ |
|
2264 |
return iRetcode; |
|
2265 |
||
2266 |
#ifdef MNG_SUPPORT_TRACE
|
|
2267 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IDAT, MNG_LC_END) |
|
2268 |
#endif
|
|
2269 |
||
2270 |
return MNG_NOERROR; |
|
2271 |
}
|
|
2272 |
||
2273 |
/* ************************************************************************** */
|
|
2274 |
||
2275 |
mng_retcode process_display_iend (mng_datap pData) |
|
2276 |
{
|
|
2277 |
mng_retcode iRetcode, iRetcode2; |
|
2278 |
mng_bool bDodisplay = MNG_FALSE; |
|
2279 |
mng_bool bMagnify = MNG_FALSE; |
|
2280 |
mng_bool bCleanup = (mng_bool)(pData->iBreakpoint != 0); |
|
2281 |
||
2282 |
#ifdef MNG_SUPPORT_TRACE
|
|
2283 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IEND, MNG_LC_START) |
|
2284 |
#endif
|
|
2285 |
||
2286 |
#ifdef MNG_INCLUDE_JNG /* progressive+alpha JNG can be displayed now */ |
|
2287 |
if ( (pData->bHasJHDR ) && |
|
2288 |
( (pData->bJPEGprogressive) || (pData->bJPEGprogressive2)) && |
|
2289 |
( (pData->eImagetype == mng_it_jng ) || |
|
2290 |
(((mng_imagep)pData->pStoreobj)->bVisible) ) && |
|
2291 |
( (pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA ) || |
|
2292 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) ) ) |
|
2293 |
bDodisplay = MNG_TRUE; |
|
2294 |
#endif
|
|
2295 |
||
2296 |
if ( (pData->pStoreobj) && /* on-the-fly magnification ? */ |
|
2297 |
( (((mng_imagep)pData->pStoreobj)->iMAGN_MethodX) || |
|
2298 |
(((mng_imagep)pData->pStoreobj)->iMAGN_MethodY) ) ) |
|
2299 |
bMagnify = MNG_TRUE; |
|
2300 |
||
2301 |
if ((pData->bHasBASI) || /* was it a BASI stream */ |
|
2302 |
(bDodisplay) || /* or should we display the JNG */ |
|
2303 |
(bMagnify) || /* or should we magnify it */ |
|
2304 |
/* or did we get broken here last time ? */
|
|
2305 |
((pData->iBreakpoint) && (pData->iBreakpoint != 8))) |
|
2306 |
{
|
|
2307 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj; |
|
2308 |
||
2309 |
if (!pImage) /* or was it object 0 ? */ |
|
2310 |
pImage = (mng_imagep)pData->pObjzero; |
|
2311 |
/* display it now then ? */
|
|
2312 |
if ((pImage->bVisible) && (pImage->bViewable)) |
|
2313 |
{ /* ok, so do it */ |
|
2314 |
iRetcode = display_image (pData, pImage, bDodisplay); |
|
2315 |
||
2316 |
if (iRetcode) /* on error bail out */ |
|
2317 |
return iRetcode; |
|
2318 |
||
2319 |
if (pData->bTimerset) /* timer break ? */ |
|
2320 |
pData->iBreakpoint = 6; |
|
2321 |
}
|
|
2322 |
}
|
|
2323 |
else
|
|
2324 |
if ((pData->bHasDHDR) || /* was it a DHDR stream */ |
|
2325 |
(pData->iBreakpoint == 8)) /* or did we get broken here last time ? */ |
|
2326 |
{
|
|
2327 |
mng_imagep pImage = (mng_imagep)pData->pDeltaImage; |
|
2328 |
||
2329 |
if (!pData->iBreakpoint) |
|
2330 |
{ /* perform the delta operations needed */ |
|
2331 |
iRetcode = execute_delta_image (pData, pImage, (mng_imagep)pData->pObjzero); |
|
2332 |
||
2333 |
if (iRetcode) /* on error bail out */ |
|
2334 |
return iRetcode; |
|
2335 |
}
|
|
2336 |
/* display it now then ? */
|
|
2337 |
if ((pImage->bVisible) && (pImage->bViewable)) |
|
2338 |
{ /* ok, so do it */ |
|
2339 |
iRetcode = display_image (pData, pImage, MNG_FALSE); |
|
2340 |
||
2341 |
if (iRetcode) /* on error bail out */ |
|
2342 |
return iRetcode; |
|
2343 |
||
2344 |
if (pData->bTimerset) /* timer break ? */ |
|
2345 |
pData->iBreakpoint = 8; |
|
2346 |
}
|
|
2347 |
}
|
|
2348 |
||
2349 |
if (!pData->bTimerset) /* can we continue ? */ |
|
2350 |
{
|
|
2351 |
pData->iBreakpoint = 0; /* clear this flag now ! */ |
|
2352 |
/* cleanup object 0 */
|
|
2353 |
reset_object_details (pData, (mng_imagep)pData->pObjzero, |
|
2354 |
0, 0, 0, 0, 0, 0, 0, MNG_TRUE); |
|
2355 |
||
2356 |
if (pData->bInflating) /* if we've been inflating */ |
|
2357 |
{ /* cleanup row-processing, */ |
|
2358 |
iRetcode = cleanup_rowproc (pData); |
|
2359 |
/* also cleanup inflate! */
|
|
2360 |
iRetcode2 = mngzlib_inflatefree (pData); |
|
2361 |
||
2362 |
if (iRetcode) /* on error bail out */ |
|
2363 |
return iRetcode; |
|
2364 |
if (iRetcode2) |
|
2365 |
return iRetcode2; |
|
2366 |
}
|
|
2367 |
||
2368 |
#ifdef MNG_INCLUDE_JNG
|
|
2369 |
if (pData->bJPEGdecompress) /* if we've been decompressing JDAT */ |
|
2370 |
{ /* cleanup row-processing, */ |
|
2371 |
iRetcode = cleanup_rowproc (pData); |
|
2372 |
/* also cleanup decompress! */
|
|
2373 |
iRetcode2 = mngjpeg_decompressfree (pData); |
|
2374 |
||
2375 |
if (iRetcode) /* on error bail out */ |
|
2376 |
return iRetcode; |
|
2377 |
if (iRetcode2) |
|
2378 |
return iRetcode2; |
|
2379 |
}
|
|
2380 |
||
2381 |
if (pData->bJPEGdecompress2) /* if we've been decompressing JDAA */ |
|
2382 |
{ /* cleanup row-processing, */ |
|
2383 |
iRetcode = cleanup_rowproc (pData); |
|
2384 |
/* also cleanup decompress! */
|
|
2385 |
iRetcode2 = mngjpeg_decompressfree2 (pData); |
|
2386 |
||
2387 |
if (iRetcode) /* on error bail out */ |
|
2388 |
return iRetcode; |
|
2389 |
if (iRetcode2) |
|
2390 |
return iRetcode2; |
|
2391 |
}
|
|
2392 |
#endif
|
|
2393 |
||
2394 |
if (bCleanup) /* if we got broken last time we need to cleanup */ |
|
2395 |
{
|
|
2396 |
pData->bHasIHDR = MNG_FALSE; /* IEND signals the end for most ... */ |
|
2397 |
pData->bHasBASI = MNG_FALSE; |
|
2398 |
pData->bHasDHDR = MNG_FALSE; |
|
2399 |
#ifdef MNG_INCLUDE_JNG
|
|
2400 |
pData->bHasJHDR = MNG_FALSE; |
|
2401 |
pData->bHasJSEP = MNG_FALSE; |
|
2402 |
pData->bHasJDAA = MNG_FALSE; |
|
2403 |
pData->bHasJDAT = MNG_FALSE; |
|
2404 |
#endif
|
|
2405 |
pData->bHasPLTE = MNG_FALSE; |
|
2406 |
pData->bHasTRNS = MNG_FALSE; |
|
2407 |
pData->bHasGAMA = MNG_FALSE; |
|
2408 |
pData->bHasCHRM = MNG_FALSE; |
|
2409 |
pData->bHasSRGB = MNG_FALSE; |
|
2410 |
pData->bHasICCP = MNG_FALSE; |
|
2411 |
pData->bHasBKGD = MNG_FALSE; |
|
2412 |
pData->bHasIDAT = MNG_FALSE; |
|
2413 |
}
|
|
2414 |
/* if the image was displayed on the fly, */
|
|
2415 |
/* we'll have to make the app refresh */
|
|
2416 |
if ((pData->eImagetype != mng_it_mng) && (pData->fDisplayrow)) |
|
2417 |
pData->bNeedrefresh = MNG_TRUE; |
|
2418 |
||
2419 |
}
|
|
2420 |
||
2421 |
#ifdef MNG_SUPPORT_TRACE
|
|
2422 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IEND, MNG_LC_END) |
|
2423 |
#endif
|
|
2424 |
||
2425 |
return MNG_NOERROR; |
|
2426 |
}
|
|
2427 |
||
2428 |
/* ************************************************************************** */
|
|
2429 |
||
2430 |
mng_retcode process_display_mend (mng_datap pData) |
|
2431 |
{
|
|
2432 |
#ifdef MNG_SUPPORT_TRACE
|
|
2433 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MEND, MNG_LC_START) |
|
2434 |
#endif
|
|
2435 |
/* TERM processed ? */
|
|
2436 |
if ((pData->bDisplaying) && (pData->bRunning) && |
|
2437 |
(pData->bHasTERM) && (pData->pTermaniobj)) |
|
2438 |
{
|
|
2439 |
mng_retcode iRetcode; |
|
2440 |
mng_ani_termp pTERM; |
|
2441 |
/* get the right animation object ! */
|
|
2442 |
pTERM = (mng_ani_termp)pData->pTermaniobj; |
|
2443 |
||
2444 |
pData->iIterations++; /* increase iteration count */ |
|
2445 |
||
2446 |
switch (pTERM->iTermaction) /* determine what to do! */ |
|
2447 |
{
|
|
2448 |
case 0 : { /* show last frame indefinitly */ |
|
2449 |
break; /* piece of cake, that is... */ |
|
2450 |
}
|
|
2451 |
||
2452 |
case 1 : { /* cease displaying anything */ |
|
2453 |
pData->bFrameclipping = MNG_FALSE; |
|
2454 |
load_bkgdlayer (pData); |
|
2455 |
break; |
|
2456 |
}
|
|
2457 |
||
2458 |
case 2 : { /* show first image after TERM */ |
|
2459 |
||
2460 |
/* TODO: something */
|
|
2461 |
||
2462 |
break; |
|
2463 |
}
|
|
2464 |
||
2465 |
case 3 : { /* repeat */ |
|
2466 |
if ((pTERM->iItermax) && (pTERM->iItermax < 0x7FFFFFFF)) |
|
2467 |
pTERM->iItermax--; |
|
2468 |
||
2469 |
if (pTERM->iItermax) /* go back to TERM ? */ |
|
2470 |
{ /* restore to initial or SAVE state */ |
|
2471 |
iRetcode = restore_state (pData); |
|
2472 |
||
2473 |
if (iRetcode) /* on error bail out */ |
|
2474 |
return iRetcode; |
|
2475 |
/* notify the app ? */
|
|
2476 |
if (pData->fProcessmend) |
|
2477 |
{
|
|
2478 |
mng_bool bOke = pData->fProcessmend ((mng_handle)pData, |
|
2479 |
pData->iIterations, |
|
2480 |
pTERM->iItermax); |
|
2481 |
if (!bOke) /* stop here and now ? */ |
|
2482 |
break; |
|
2483 |
}
|
|
2484 |
/* restart from TERM chunk */
|
|
2485 |
pData->pCurraniobj = pTERM; |
|
2486 |
||
2487 |
if (pTERM->iDelay) /* set the delay (?) */ |
|
2488 |
{
|
|
2489 |
mng_uint32 iWaitfor = 1000; |
|
2490 |
/* what are we aiming for */
|
|
2491 |
if (pData->iTicks) |
|
2492 |
{ /* honor speed modifier */ |
|
2493 |
switch (pData->iSpeed) |
|
2494 |
{
|
|
2495 |
case mng_st_fast : |
|
2496 |
{
|
|
2497 |
iWaitfor = (mng_uint32)(( 500 * pTERM->iDelay) / pData->iTicks); |
|
2498 |
break; |
|
2499 |
}
|
|
2500 |
case mng_st_slow : |
|
2501 |
{
|
|
2502 |
iWaitfor = (mng_uint32)((3000 * pTERM->iDelay) / pData->iTicks); |
|
2503 |
break; |
|
2504 |
}
|
|
2505 |
case mng_st_slowest : |
|
2506 |
{
|
|
2507 |
iWaitfor = (mng_uint32)((8000 * pTERM->iDelay) / pData->iTicks); |
|
2508 |
break; |
|
2509 |
}
|
|
2510 |
default : |
|
2511 |
{
|
|
2512 |
iWaitfor = (mng_uint32)((1000 * pTERM->iDelay) / pData->iTicks); |
|
2513 |
}
|
|
2514 |
}
|
|
2515 |
}
|
|
2516 |
||
2517 |
iRetcode = display_progressive_refresh (pData, iWaitfor); |
|
2518 |
||
2519 |
if (iRetcode) /* on error bail out */ |
|
2520 |
return iRetcode; |
|
2521 |
}
|
|
2522 |
}
|
|
2523 |
else
|
|
2524 |
{
|
|
2525 |
switch (pTERM->iIteraction) |
|
2526 |
{
|
|
2527 |
case 0 : { /* show last frame indefinitly */ |
|
2528 |
break; /* piece of cake, that is... */ |
|
2529 |
}
|
|
2530 |
||
2531 |
case 1 : { /* cease displaying anything */ |
|
2532 |
pData->bFrameclipping = MNG_FALSE; |
|
2533 |
load_bkgdlayer (pData); |
|
2534 |
break; |
|
2535 |
}
|
|
2536 |
||
2537 |
case 2 : { /* show first image after TERM */ |
|
2538 |
||
2539 |
/* TODO: something */
|
|
2540 |
||
2541 |
break; |
|
2542 |
}
|
|
2543 |
||
2544 |
}
|
|
2545 |
}
|
|
2546 |
||
2547 |
break; |
|
2548 |
}
|
|
2549 |
||
2550 |
}
|
|
2551 |
}
|
|
2552 |
||
2553 |
if (!pData->pCurraniobj) /* always let the app refresh at the end ! */ |
|
2554 |
pData->bNeedrefresh = MNG_TRUE; |
|
2555 |
||
2556 |
#ifdef MNG_SUPPORT_TRACE
|
|
2557 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MEND, MNG_LC_END) |
|
2558 |
#endif
|
|
2559 |
||
2560 |
return MNG_NOERROR; |
|
2561 |
}
|
|
2562 |
||
2563 |
/* ************************************************************************** */
|
|
2564 |
||
2565 |
mng_retcode process_display_defi (mng_datap pData) |
|
2566 |
{
|
|
2567 |
mng_imagep pImage; |
|
2568 |
||
2569 |
#ifdef MNG_SUPPORT_TRACE
|
|
2570 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DEFI, MNG_LC_START) |
|
2571 |
#endif
|
|
2572 |
||
2573 |
if (!pData->iDEFIobjectid) /* object id=0 ? */ |
|
2574 |
{
|
|
2575 |
pImage = (mng_imagep)pData->pObjzero; |
|
2576 |
||
2577 |
if (pData->bDEFIhasdonotshow) |
|
2578 |
pImage->bVisible = (mng_bool)(pData->iDEFIdonotshow == 0); |
|
2579 |
||
2580 |
if (pData->bDEFIhasloca) |
|
2581 |
{
|
|
2582 |
pImage->iPosx = pData->iDEFIlocax; |
|
2583 |
pImage->iPosy = pData->iDEFIlocay; |
|
2584 |
}
|
|
2585 |
||
2586 |
if (pData->bDEFIhasclip) |
|
2587 |
{
|
|
2588 |
pImage->bClipped = pData->bDEFIhasclip; |
|
2589 |
pImage->iClipl = pData->iDEFIclipl; |
|
2590 |
pImage->iClipr = pData->iDEFIclipr; |
|
2591 |
pImage->iClipt = pData->iDEFIclipt; |
|
2592 |
pImage->iClipb = pData->iDEFIclipb; |
|
2593 |
}
|
|
2594 |
||
2595 |
pData->pCurrentobj = 0; /* not a real object ! */ |
|
2596 |
}
|
|
2597 |
else
|
|
2598 |
{ /* already exists ? */ |
|
2599 |
pImage = (mng_imagep)find_imageobject (pData, pData->iDEFIobjectid); |
|
2600 |
||
2601 |
if (!pImage) /* if not; create new */ |
|
2602 |
{
|
|
2603 |
mng_retcode iRetcode = create_imageobject (pData, pData->iDEFIobjectid, |
|
2604 |
(mng_bool)(pData->iDEFIconcrete == 1), |
|
2605 |
(mng_bool)(pData->iDEFIdonotshow == 0), |
|
2606 |
MNG_FALSE, 0, 0, 0, 0, 0, 0, 0, |
|
2607 |
pData->iDEFIlocax, pData->iDEFIlocay, |
|
2608 |
pData->bDEFIhasclip, |
|
2609 |
pData->iDEFIclipl, pData->iDEFIclipr, |
|
2610 |
pData->iDEFIclipt, pData->iDEFIclipb, |
|
2611 |
&pImage); |
|
2612 |
||
2613 |
if (iRetcode) /* on error bail out */ |
|
2614 |
return iRetcode; |
|
2615 |
}
|
|
2616 |
else
|
|
2617 |
{ /* exists; then set new info */ |
|
2618 |
if (pData->bDEFIhasdonotshow) |
|
2619 |
pImage->bVisible = (mng_bool)(pData->iDEFIdonotshow == 0); |
|
2620 |
||
2621 |
pImage->bViewable = MNG_FALSE; |
|
2622 |
||
2623 |
if (pData->bDEFIhasloca) |
|
2624 |
{
|
|
2625 |
pImage->iPosx = pData->iDEFIlocax; |
|
2626 |
pImage->iPosy = pData->iDEFIlocay; |
|
2627 |
}
|
|
2628 |
||
2629 |
if (pData->bDEFIhasclip) |
|
2630 |
{
|
|
2631 |
pImage->bClipped = pData->bDEFIhasclip; |
|
2632 |
pImage->iClipl = pData->iDEFIclipl; |
|
2633 |
pImage->iClipr = pData->iDEFIclipr; |
|
2634 |
pImage->iClipt = pData->iDEFIclipt; |
|
2635 |
pImage->iClipb = pData->iDEFIclipb; |
|
2636 |
}
|
|
2637 |
||
2638 |
if (pData->bDEFIhasconcrete) |
|
2639 |
pImage->pImgbuf->bConcrete = (mng_bool)(pData->iDEFIconcrete == 1); |
|
2640 |
}
|
|
2641 |
||
2642 |
pData->pCurrentobj = pImage; /* others may want to know this */ |
|
2643 |
}
|
|
2644 |
||
2645 |
#ifdef MNG_SUPPORT_TRACE
|
|
2646 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DEFI, MNG_LC_END) |
|
2647 |
#endif
|
|
2648 |
||
2649 |
return MNG_NOERROR; |
|
2650 |
}
|
|
2651 |
||
2652 |
/* ************************************************************************** */
|
|
2653 |
||
2654 |
mng_retcode process_display_basi (mng_datap pData, |
|
2655 |
mng_uint16 iRed, |
|
2656 |
mng_uint16 iGreen, |
|
2657 |
mng_uint16 iBlue, |
|
2658 |
mng_bool bHasalpha, |
|
2659 |
mng_uint16 iAlpha, |
|
2660 |
mng_uint8 iViewable) |
|
2661 |
{ /* address the current "object" if any */ |
|
2662 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj; |
|
2663 |
mng_uint8p pWork; |
|
2664 |
mng_uint32 iX; |
|
2665 |
mng_imagedatap pBuf; |
|
2666 |
mng_retcode iRetcode; |
|
2667 |
||
2668 |
#ifdef MNG_SUPPORT_TRACE
|
|
2669 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_BASI, MNG_LC_START) |
|
2670 |
#endif
|
|
2671 |
||
2672 |
if (!pImage) /* or is it an "on-the-fly" image ? */ |
|
2673 |
pImage = (mng_imagep)pData->pObjzero; |
|
2674 |
/* address the object-buffer */
|
|
2675 |
pBuf = pImage->pImgbuf; |
|
2676 |
||
2677 |
pData->fDisplayrow = MNG_NULL; /* do nothing by default */ |
|
2678 |
pData->fCorrectrow = MNG_NULL; |
|
2679 |
pData->fStorerow = MNG_NULL; |
|
2680 |
pData->fProcessrow = MNG_NULL; |
|
2681 |
/* set parms now that they're known */
|
|
2682 |
iRetcode = reset_object_details (pData, pImage, pData->iDatawidth, |
|
2683 |
pData->iDataheight, pData->iBitdepth, |
|
2684 |
pData->iColortype, pData->iCompression, |
|
2685 |
pData->iFilter, pData->iInterlace, MNG_FALSE); |
|
2686 |
if (iRetcode) /* on error bail out */ |
|
2687 |
return iRetcode; |
|
2688 |
/* save the viewable flag */
|
|
2689 |
pImage->bViewable = (mng_bool)(iViewable == 1); |
|
2690 |
pBuf->bViewable = pImage->bViewable; |
|
2691 |
pData->pStoreobj = pImage; /* let row-routines know which object */ |
|
2692 |
||
2693 |
pWork = pBuf->pImgdata; /* fill the object-buffer with the specified |
|
2694 |
"color" sample */
|
|
2695 |
switch (pData->iColortype) /* depending on color_type & bit_depth */ |
|
2696 |
{
|
|
2697 |
case 0 : { /* gray */ |
|
2698 |
if (pData->iBitdepth == 16) |
|
2699 |
{
|
|
2700 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++) |
|
2701 |
{
|
|
2702 |
mng_put_uint16 (pWork, iRed); |
|
2703 |
pWork += 2; |
|
2704 |
}
|
|
2705 |
}
|
|
2706 |
else
|
|
2707 |
{
|
|
2708 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++) |
|
2709 |
{
|
|
2710 |
*pWork = (mng_uint8)iRed; |
|
2711 |
pWork++; |
|
2712 |
}
|
|
2713 |
}
|
|
2714 |
/* force tRNS ? */
|
|
2715 |
if ((bHasalpha) && (!iAlpha)) |
|
2716 |
{
|
|
2717 |
pBuf->bHasTRNS = MNG_TRUE; |
|
2718 |
pBuf->iTRNSgray = iRed; |
|
2719 |
}
|
|
2720 |
||
2721 |
break; |
|
2722 |
}
|
|
2723 |
||
2724 |
case 2 : { /* rgb */ |
|
2725 |
if (pData->iBitdepth == 16) |
|
2726 |
{
|
|
2727 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++) |
|
2728 |
{
|
|
2729 |
mng_put_uint16 (pWork, iRed ); |
|
2730 |
mng_put_uint16 (pWork+2, iGreen); |
|
2731 |
mng_put_uint16 (pWork+4, iBlue ); |
|
2732 |
pWork += 6; |
|
2733 |
}
|
|
2734 |
}
|
|
2735 |
else
|
|
2736 |
{
|
|
2737 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++) |
|
2738 |
{
|
|
2739 |
*pWork = (mng_uint8)iRed; |
|
2740 |
*(pWork+1) = (mng_uint8)iGreen; |
|
2741 |
*(pWork+2) = (mng_uint8)iBlue; |
|
2742 |
pWork += 3; |
|
2743 |
}
|
|
2744 |
}
|
|
2745 |
/* force tRNS ? */
|
|
2746 |
if ((bHasalpha) && (!iAlpha)) |
|
2747 |
{
|
|
2748 |
pBuf->bHasTRNS = MNG_TRUE; |
|
2749 |
pBuf->iTRNSred = iRed; |
|
2750 |
pBuf->iTRNSgreen = iGreen; |
|
2751 |
pBuf->iTRNSblue = iBlue; |
|
2752 |
}
|
|
2753 |
||
2754 |
break; |
|
2755 |
}
|
|
2756 |
||
2757 |
case 3 : { /* indexed */ |
|
2758 |
pBuf->bHasPLTE = MNG_TRUE; |
|
2759 |
||
2760 |
switch (pData->iBitdepth) |
|
2761 |
{
|
|
2762 |
case 1 : { pBuf->iPLTEcount = 2; break; } |
|
2763 |
case 2 : { pBuf->iPLTEcount = 4; break; } |
|
2764 |
case 4 : { pBuf->iPLTEcount = 16; break; } |
|
2765 |
case 8 : { pBuf->iPLTEcount = 256; break; } |
|
2766 |
default : { pBuf->iPLTEcount = 1; break; } |
|
2767 |
}
|
|
2768 |
||
2769 |
pBuf->aPLTEentries [0].iRed = (mng_uint8)iRed; |
|
2770 |
pBuf->aPLTEentries [0].iGreen = (mng_uint8)iGreen; |
|
2771 |
pBuf->aPLTEentries [0].iBlue = (mng_uint8)iBlue; |
|
2772 |
||
2773 |
for (iX = 1; iX < pBuf->iPLTEcount; iX++) |
|
2774 |
{
|
|
2775 |
pBuf->aPLTEentries [iX].iRed = 0; |
|
2776 |
pBuf->aPLTEentries [iX].iGreen = 0; |
|
2777 |
pBuf->aPLTEentries [iX].iBlue = 0; |
|
2778 |
}
|
|
2779 |
/* force tRNS ? */
|
|
2780 |
if ((bHasalpha) && (iAlpha < 255)) |
|
2781 |
{
|
|
2782 |
pBuf->bHasTRNS = MNG_TRUE; |
|
2783 |
pBuf->iTRNScount = 1; |
|
2784 |
pBuf->aTRNSentries [0] = (mng_uint8)iAlpha; |
|
2785 |
}
|
|
2786 |
||
2787 |
break; |
|
2788 |
}
|
|
2789 |
||
2790 |
case 4 : { /* gray+alpha */ |
|
2791 |
if (pData->iBitdepth == 16) |
|
2792 |
{
|
|
2793 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++) |
|
2794 |
{
|
|
2795 |
mng_put_uint16 (pWork, iRed); |
|
2796 |
mng_put_uint16 (pWork+2, iAlpha); |
|
2797 |
pWork += 4; |
|
2798 |
}
|
|
2799 |
}
|
|
2800 |
else
|
|
2801 |
{
|
|
2802 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++) |
|
2803 |
{
|
|
2804 |
*pWork = (mng_uint8)iRed; |
|
2805 |
*(pWork+1) = (mng_uint8)iAlpha; |
|
2806 |
pWork += 2; |
|
2807 |
}
|
|
2808 |
}
|
|
2809 |
||
2810 |
break; |
|
2811 |
}
|
|
2812 |
||
2813 |
case 6 : { /* rgb+alpha */ |
|
2814 |
if (pData->iBitdepth == 16) |
|
2815 |
{
|
|
2816 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++) |
|
2817 |
{
|
|
2818 |
mng_put_uint16 (pWork, iRed); |
|
2819 |
mng_put_uint16 (pWork+2, iGreen); |
|
2820 |
mng_put_uint16 (pWork+4, iBlue); |
|
2821 |
mng_put_uint16 (pWork+6, iAlpha); |
|
2822 |
pWork += 8; |
|
2823 |
}
|
|
2824 |
}
|
|
2825 |
else
|
|
2826 |
{
|
|
2827 |
for (iX = 0; iX < pData->iDatawidth * pData->iDataheight; iX++) |
|
2828 |
{
|
|
2829 |
*pWork = (mng_uint8)iRed; |
|
2830 |
*(pWork+1) = (mng_uint8)iGreen; |
|
2831 |
*(pWork+2) = (mng_uint8)iBlue; |
|
2832 |
*(pWork+3) = (mng_uint8)iAlpha; |
|
2833 |
pWork += 4; |
|
2834 |
}
|
|
2835 |
}
|
|
2836 |
||
2837 |
break; |
|
2838 |
}
|
|
2839 |
||
2840 |
}
|
|
2841 |
||
2842 |
switch (pData->iColortype) /* determine row initialization routine */ |
|
2843 |
{ /* just to accomodate IDAT if it arrives */ |
|
2844 |
case 0 : { /* gray */ |
|
2845 |
switch (pData->iBitdepth) |
|
2846 |
{
|
|
2847 |
case 1 : { |
|
2848 |
if (!pData->iInterlace) |
|
2849 |
pData->fInitrowproc = (mng_fptr)init_g1_ni; |
|
2850 |
else
|
|
2851 |
pData->fInitrowproc = (mng_fptr)init_g1_i; |
|
2852 |
||
2853 |
break; |
|
2854 |
}
|
|
2855 |
case 2 : { |
|
2856 |
if (!pData->iInterlace) |
|
2857 |
pData->fInitrowproc = (mng_fptr)init_g2_ni; |
|
2858 |
else
|
|
2859 |
pData->fInitrowproc = (mng_fptr)init_g2_i; |
|
2860 |
||
2861 |
break; |
|
2862 |
}
|
|
2863 |
case 4 : { |
|
2864 |
if (!pData->iInterlace) |
|
2865 |
pData->fInitrowproc = (mng_fptr)init_g4_ni; |
|
2866 |
else
|
|
2867 |
pData->fInitrowproc = (mng_fptr)init_g4_i; |
|
2868 |
||
2869 |
break; |
|
2870 |
}
|
|
2871 |
case 8 : { |
|
2872 |
if (!pData->iInterlace) |
|
2873 |
pData->fInitrowproc = (mng_fptr)init_g8_ni; |
|
2874 |
else
|
|
2875 |
pData->fInitrowproc = (mng_fptr)init_g8_i; |
|
2876 |
||
2877 |
break; |
|
2878 |
}
|
|
2879 |
case 16 : { |
|
2880 |
if (!pData->iInterlace) |
|
2881 |
pData->fInitrowproc = (mng_fptr)init_g16_ni; |
|
2882 |
else
|
|
2883 |
pData->fInitrowproc = (mng_fptr)init_g16_i; |
|
2884 |
||
2885 |
break; |
|
2886 |
}
|
|
2887 |
}
|
|
2888 |
||
2889 |
break; |
|
2890 |
}
|
|
2891 |
case 2 : { /* rgb */ |
|
2892 |
switch (pData->iBitdepth) |
|
2893 |
{
|
|
2894 |
case 8 : { |
|
2895 |
if (!pData->iInterlace) |
|
2896 |
pData->fInitrowproc = (mng_fptr)init_rgb8_ni; |
|
2897 |
else
|
|
2898 |
pData->fInitrowproc = (mng_fptr)init_rgb8_i; |
|
2899 |
||
2900 |
break; |
|
2901 |
}
|
|
2902 |
case 16 : { |
|
2903 |
if (!pData->iInterlace) |
|
2904 |
pData->fInitrowproc = (mng_fptr)init_rgb16_ni; |
|
2905 |
else
|
|
2906 |
pData->fInitrowproc = (mng_fptr)init_rgb16_i; |
|
2907 |
||
2908 |
break; |
|
2909 |
}
|
|
2910 |
}
|
|
2911 |
||
2912 |
break; |
|
2913 |
}
|
|
2914 |
case 3 : { /* indexed */ |
|
2915 |
switch (pData->iBitdepth) |
|
2916 |
{
|
|
2917 |
case 1 : { |
|
2918 |
if (!pData->iInterlace) |
|
2919 |
pData->fInitrowproc = (mng_fptr)init_idx1_ni; |
|
2920 |
else
|
|
2921 |
pData->fInitrowproc = (mng_fptr)init_idx1_i; |
|
2922 |
||
2923 |
break; |
|
2924 |
}
|
|
2925 |
case 2 : { |
|
2926 |
if (!pData->iInterlace) |
|
2927 |
pData->fInitrowproc = (mng_fptr)init_idx2_ni; |
|
2928 |
else
|
|
2929 |
pData->fInitrowproc = (mng_fptr)init_idx2_i; |
|
2930 |
||
2931 |
break; |
|
2932 |
}
|
|
2933 |
case 4 : { |
|
2934 |
if (!pData->iInterlace) |
|
2935 |
pData->fInitrowproc = (mng_fptr)init_idx4_ni; |
|
2936 |
else
|
|
2937 |
pData->fInitrowproc = (mng_fptr)init_idx4_i; |
|
2938 |
||
2939 |
break; |
|
2940 |
}
|
|
2941 |
case 8 : { |
|
2942 |
if (!pData->iInterlace) |
|
2943 |
pData->fInitrowproc = (mng_fptr)init_idx8_ni; |
|
2944 |
else
|
|
2945 |
pData->fInitrowproc = (mng_fptr)init_idx8_i; |
|
2946 |
||
2947 |
break; |
|
2948 |
}
|
|
2949 |
}
|
|
2950 |
||
2951 |
break; |
|
2952 |
}
|
|
2953 |
case 4 : { /* gray+alpha */ |
|
2954 |
switch (pData->iBitdepth) |
|
2955 |
{
|
|
2956 |
case 8 : { |
|
2957 |
if (!pData->iInterlace) |
|
2958 |
pData->fInitrowproc = (mng_fptr)init_ga8_ni; |
|
2959 |
else
|
|
2960 |
pData->fInitrowproc = (mng_fptr)init_ga8_i; |
|
2961 |
||
2962 |
break; |
|
2963 |
}
|
|
2964 |
case 16 : { |
|
2965 |
if (!pData->iInterlace) |
|
2966 |
pData->fInitrowproc = (mng_fptr)init_ga16_ni; |
|
2967 |
else
|
|
2968 |
pData->fInitrowproc = (mng_fptr)init_ga16_i; |
|
2969 |
||
2970 |
break; |
|
2971 |
}
|
|
2972 |
}
|
|
2973 |
||
2974 |
break; |
|
2975 |
}
|
|
2976 |
case 6 : { /* rgb+alpha */ |
|
2977 |
switch (pData->iBitdepth) |
|
2978 |
{
|
|
2979 |
case 8 : { |
|
2980 |
if (!pData->iInterlace) |
|
2981 |
pData->fInitrowproc = (mng_fptr)init_rgba8_ni; |
|
2982 |
else
|
|
2983 |
pData->fInitrowproc = (mng_fptr)init_rgba8_i; |
|
2984 |
||
2985 |
break; |
|
2986 |
}
|
|
2987 |
case 16 : { |
|
2988 |
if (!pData->iInterlace) |
|
2989 |
pData->fInitrowproc = (mng_fptr)init_rgba16_ni; |
|
2990 |
else
|
|
2991 |
pData->fInitrowproc = (mng_fptr)init_rgba16_i; |
|
2992 |
||
2993 |
break; |
|
2994 |
}
|
|
2995 |
}
|
|
2996 |
||
2997 |
break; |
|
2998 |
}
|
|
2999 |
}
|
|
3000 |
||
3001 |
pData->iFilterofs = 0; /* determine filter characteristics */ |
|
3002 |
pData->iLevel0 = 0; /* default levels */ |
|
3003 |
pData->iLevel1 = 0; |
|
3004 |
pData->iLevel2 = 0; |
|
3005 |
pData->iLevel3 = 0; |
|
3006 |
/* leveling & differing ? */
|
|
3007 |
/* if (pData->iFilter & 0x40)
|
|
3008 |
{
|
|
3009 |
switch (pData->iColortype)
|
|
3010 |
{
|
|
3011 |
case 0 : {
|
|
3012 |
if (pData->iBitdepth <= 8)
|
|
3013 |
pData->iFilterofs = 1;
|
|
3014 |
else
|
|
3015 |
pData->iFilterofs = 2;
|
|
3016 |
||
3017 |
break;
|
|
3018 |
}
|
|
3019 |
case 2 : {
|
|
3020 |
if (pData->iBitdepth <= 8)
|
|
3021 |
pData->iFilterofs = 3;
|
|
3022 |
else
|
|
3023 |
pData->iFilterofs = 6;
|
|
3024 |
||
3025 |
break;
|
|
3026 |
}
|
|
3027 |
case 3 : {
|
|
3028 |
pData->iFilterofs = 1;
|
|
3029 |
break;
|
|
3030 |
}
|
|
3031 |
case 4 : {
|
|
3032 |
if (pData->iBitdepth <= 8)
|
|
3033 |
pData->iFilterofs = 2;
|
|
3034 |
else
|
|
3035 |
pData->iFilterofs = 4;
|
|
3036 |
||
3037 |
break;
|
|
3038 |
}
|
|
3039 |
case 6 : {
|
|
3040 |
if (pData->iBitdepth <= 8)
|
|
3041 |
pData->iPixelofs = 5;
|
|
3042 |
else
|
|
3043 |
pData->iFilterofs = 8;
|
|
3044 |
||
3045 |
break;
|
|
3046 |
}
|
|
3047 |
}
|
|
3048 |
} */
|
|
3049 |
/* no adaptive filtering ? */
|
|
3050 |
/* if (pData->iFilter & 0x01)
|
|
3051 |
pData->iPixelofs = pData->iFilterofs;
|
|
3052 |
else */
|
|
3053 |
pData->iPixelofs = pData->iFilterofs + 1; |
|
3054 |
||
3055 |
#ifdef MNG_SUPPORT_TRACE
|
|
3056 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_BASI, MNG_LC_END) |
|
3057 |
#endif
|
|
3058 |
||
3059 |
return MNG_NOERROR; |
|
3060 |
}
|
|
3061 |
||
3062 |
/* ************************************************************************** */
|
|
3063 |
||
3064 |
mng_retcode process_display_clon (mng_datap pData, |
|
3065 |
mng_uint16 iSourceid, |
|
3066 |
mng_uint16 iCloneid, |
|
3067 |
mng_uint8 iClonetype, |
|
3068 |
mng_bool bHasdonotshow, |
|
3069 |
mng_uint8 iDonotshow, |
|
3070 |
mng_uint8 iConcrete, |
|
3071 |
mng_bool bHasloca, |
|
3072 |
mng_uint8 iLocationtype, |
|
3073 |
mng_int32 iLocationx, |
|
3074 |
mng_int32 iLocationy) |
|
3075 |
{
|
|
3076 |
mng_imagep pSource, pClone; |
|
3077 |
mng_bool bVisible, bAbstract; |
|
3078 |
mng_retcode iRetcode = MNG_NOERROR; |
|
3079 |
||
3080 |
#ifdef MNG_SUPPORT_TRACE
|
|
3081 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLON, MNG_LC_START) |
|
3082 |
#endif
|
|
3083 |
/* locate the source object first */
|
|
3084 |
pSource = find_imageobject (pData, iSourceid); |
|
3085 |
/* check if the clone exists */
|
|
3086 |
pClone = find_imageobject (pData, iCloneid); |
|
3087 |
||
3088 |
if (!pSource) /* source must exist ! */ |
|
3089 |
MNG_ERROR (pData, MNG_OBJECTUNKNOWN); |
|
3090 |
||
3091 |
if (pClone) /* clone must not exist ! */ |
|
3092 |
MNG_ERROR (pData, MNG_OBJECTEXISTS); |
|
3093 |
||
3094 |
if (bHasdonotshow) /* DoNotShow flag filled ? */ |
|
3095 |
bVisible = (mng_bool)(iDonotshow == 0); |
|
3096 |
else
|
|
3097 |
bVisible = pSource->bVisible; |
|
3098 |
||
3099 |
bAbstract = (mng_bool)(iConcrete == 1); |
|
3100 |
||
3101 |
switch (iClonetype) /* determine action to take */ |
|
3102 |
{
|
|
3103 |
case 0 : { /* full clone */ |
|
3104 |
iRetcode = clone_imageobject (pData, iCloneid, MNG_FALSE, |
|
3105 |
bVisible, bAbstract, bHasloca, |
|
3106 |
iLocationtype, iLocationx, iLocationy, |
|
3107 |
pSource, &pClone); |
|
3108 |
break; |
|
3109 |
}
|
|
3110 |
||
3111 |
case 1 : { /* partial clone */ |
|
3112 |
iRetcode = clone_imageobject (pData, iCloneid, MNG_TRUE, |
|
3113 |
bVisible, bAbstract, bHasloca, |
|
3114 |
iLocationtype, iLocationx, iLocationy, |
|
3115 |
pSource, &pClone); |
|
3116 |
break; |
|
3117 |
}
|
|
3118 |
||
3119 |
case 2 : { /* renumber object */ |
|
3120 |
iRetcode = renum_imageobject (pData, pSource, iCloneid, |
|
3121 |
bVisible, bAbstract, bHasloca, |
|
3122 |
iLocationtype, iLocationx, iLocationy); |
|
3123 |
pClone = pSource; |
|
3124 |
break; |
|
3125 |
}
|
|
3126 |
||
3127 |
}
|
|
3128 |
||
3129 |
if (iRetcode) /* on error bail out */ |
|
3130 |
return iRetcode; |
|
3131 |
||
3132 |
/* display on the fly ? */
|
|
3133 |
if ((pClone->bViewable) && (pClone->bVisible)) |
|
3134 |
{
|
|
3135 |
pData->pLastclone = pClone; /* remember in case of timer break ! */ |
|
3136 |
/* display it */
|
|
3137 |
display_image (pData, pClone, MNG_FALSE); |
|
3138 |
||
3139 |
if (pData->bTimerset) /* timer break ? */ |
|
3140 |
pData->iBreakpoint = 5; |
|
3141 |
}
|
|
3142 |
||
3143 |
#ifdef MNG_SUPPORT_TRACE
|
|
3144 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLON, MNG_LC_END) |
|
3145 |
#endif
|
|
3146 |
||
3147 |
return MNG_NOERROR; |
|
3148 |
}
|
|
3149 |
||
3150 |
/* ************************************************************************** */
|
|
3151 |
||
3152 |
mng_retcode process_display_clon2 (mng_datap pData) |
|
3153 |
{
|
|
3154 |
#ifdef MNG_SUPPORT_TRACE
|
|
3155 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLON, MNG_LC_START) |
|
3156 |
#endif
|
|
3157 |
/* only called after timer break ! */
|
|
3158 |
display_image (pData, (mng_imagep)pData->pLastclone, MNG_FALSE); |
|
3159 |
pData->iBreakpoint = 0; |
|
3160 |
||
3161 |
#ifdef MNG_SUPPORT_TRACE
|
|
3162 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLON, MNG_LC_END) |
|
3163 |
#endif
|
|
3164 |
||
3165 |
return MNG_NOERROR; |
|
3166 |
}
|
|
3167 |
||
3168 |
/* ************************************************************************** */
|
|
3169 |
||
3170 |
mng_retcode process_display_disc (mng_datap pData, |
|
3171 |
mng_uint32 iCount, |
|
3172 |
mng_uint16p pIds) |
|
3173 |
{
|
|
3174 |
mng_uint32 iX; |
|
3175 |
mng_imagep pImage; |
|
3176 |
mng_uint32 iRetcode; |
|
3177 |
#ifdef MNG_SUPPORT_TRACE
|
|
3178 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DISC, MNG_LC_START) |
|
3179 |
#endif
|
|
3180 |
||
3181 |
if (iCount) /* specific list ? */ |
|
3182 |
{
|
|
3183 |
mng_uint16p pWork = pIds; |
|
3184 |
||
3185 |
for (iX = 0; iX < iCount; iX++) /* iterate the list */ |
|
3186 |
{
|
|
3187 |
pImage = find_imageobject (pData, *pWork++); |
|
3188 |
||
3189 |
if (pImage) /* found the object ? */ |
|
3190 |
{ /* then drop it */ |
|
3191 |
iRetcode = free_imageobject (pData, pImage); |
|
3192 |
||
3193 |
if (iRetcode) /* on error bail out */ |
|
3194 |
return iRetcode; |
|
3195 |
}
|
|
3196 |
}
|
|
3197 |
}
|
|
3198 |
else /* empty: drop all un-frozen objects */ |
|
3199 |
{
|
|
3200 |
mng_imagep pNext = (mng_imagep)pData->pFirstimgobj; |
|
3201 |
||
3202 |
while (pNext) /* any left ? */ |
|
3203 |
{
|
|
3204 |
pImage = pNext; |
|
3205 |
pNext = pImage->sHeader.pNext; |
|
3206 |
||
3207 |
if (!pImage->bFrozen) /* not frozen ? */ |
|
3208 |
{ /* then drop it */ |
|
3209 |
iRetcode = free_imageobject (pData, pImage); |
|
3210 |
||
3211 |
if (iRetcode) /* on error bail out */ |
|
3212 |
return iRetcode; |
|
3213 |
}
|
|
3214 |
}
|
|
3215 |
}
|
|
3216 |
||
3217 |
#ifdef MNG_SUPPORT_TRACE
|
|
3218 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DISC, MNG_LC_END) |
|
3219 |
#endif
|
|
3220 |
||
3221 |
return MNG_NOERROR; |
|
3222 |
}
|
|
3223 |
||
3224 |
/* ************************************************************************** */
|
|
3225 |
||
3226 |
mng_retcode process_display_fram (mng_datap pData, |
|
3227 |
mng_uint8 iFramemode, |
|
3228 |
mng_uint8 iChangedelay, |
|
3229 |
mng_uint32 iDelay, |
|
3230 |
mng_uint8 iChangetimeout, |
|
3231 |
mng_uint32 iTimeout, |
|
3232 |
mng_uint8 iChangeclipping, |
|
3233 |
mng_uint8 iCliptype, |
|
3234 |
mng_int32 iClipl, |
|
3235 |
mng_int32 iClipr, |
|
3236 |
mng_int32 iClipt, |
|
3237 |
mng_int32 iClipb) |
|
3238 |
{
|
|
3239 |
mng_retcode iRetcode; |
|
3240 |
||
3241 |
#ifdef MNG_SUPPORT_TRACE
|
|
3242 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_FRAM, MNG_LC_START) |
|
3243 |
#endif
|
|
3244 |
/* advance a frame then */
|
|
3245 |
iRetcode = next_frame (pData, iFramemode, iChangedelay, iDelay, |
|
3246 |
iChangetimeout, iTimeout, iChangeclipping, |
|
3247 |
iCliptype, iClipl, iClipr, iClipt, iClipb); |
|
3248 |
||
3249 |
if (pData->bTimerset) /* timer break ? */ |
|
3250 |
pData->iBreakpoint = 1; |
|
3251 |
||
3252 |
#ifdef MNG_SUPPORT_TRACE
|
|
3253 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_FRAM, MNG_LC_END) |
|
3254 |
#endif
|
|
3255 |
||
3256 |
return iRetcode; |
|
3257 |
}
|
|
3258 |
||
3259 |
/* ************************************************************************** */
|
|
3260 |
||
3261 |
mng_retcode process_display_fram2 (mng_datap pData) |
|
3262 |
{
|
|
3263 |
mng_retcode iRetcode; |
|
3264 |
||
3265 |
#ifdef MNG_SUPPORT_TRACE
|
|
3266 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_FRAM, MNG_LC_START) |
|
3267 |
#endif
|
|
3268 |
/* again; after the break */
|
|
3269 |
iRetcode = next_frame (pData, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); |
|
3270 |
pData->iBreakpoint = 0; /* not again! */ |
|
3271 |
||
3272 |
#ifdef MNG_SUPPORT_TRACE
|
|
3273 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_FRAM, MNG_LC_END) |
|
3274 |
#endif
|
|
3275 |
||
3276 |
return iRetcode; |
|
3277 |
}
|
|
3278 |
||
3279 |
/* ************************************************************************** */
|
|
3280 |
||
3281 |
mng_retcode process_display_move (mng_datap pData, |
|
3282 |
mng_uint16 iFromid, |
|
3283 |
mng_uint16 iToid, |
|
3284 |
mng_uint8 iMovetype, |
|
3285 |
mng_int32 iMovex, |
|
3286 |
mng_int32 iMovey) |
|
3287 |
{
|
|
3288 |
mng_uint16 iX; |
|
3289 |
mng_imagep pImage; |
|
3290 |
||
3291 |
#ifdef MNG_SUPPORT_TRACE
|
|
3292 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MOVE, MNG_LC_START) |
|
3293 |
#endif
|
|
3294 |
/* iterate the list */
|
|
3295 |
for (iX = iFromid; iX <= iToid; iX++) |
|
3296 |
{
|
|
3297 |
if (!iX) /* object id=0 ? */ |
|
3298 |
pImage = (mng_imagep)pData->pObjzero; |
|
3299 |
else
|
|
3300 |
pImage = find_imageobject (pData, iX); |
|
3301 |
||
3302 |
if (pImage) /* object exists ? */ |
|
3303 |
{
|
|
3304 |
switch (iMovetype) |
|
3305 |
{
|
|
3306 |
case 0 : { /* absolute */ |
|
3307 |
pImage->iPosx = iMovex; |
|
3308 |
pImage->iPosy = iMovey; |
|
3309 |
break; |
|
3310 |
}
|
|
3311 |
case 1 : { /* relative */ |
|
3312 |
pImage->iPosx = pImage->iPosx + iMovex; |
|
3313 |
pImage->iPosy = pImage->iPosy + iMovey; |
|
3314 |
break; |
|
3315 |
}
|
|
3316 |
}
|
|
3317 |
}
|
|
3318 |
}
|
|
3319 |
||
3320 |
#ifdef MNG_SUPPORT_TRACE
|
|
3321 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MOVE, MNG_LC_END) |
|
3322 |
#endif
|
|
3323 |
||
3324 |
return MNG_NOERROR; |
|
3325 |
}
|
|
3326 |
||
3327 |
/* ************************************************************************** */
|
|
3328 |
||
3329 |
mng_retcode process_display_clip (mng_datap pData, |
|
3330 |
mng_uint16 iFromid, |
|
3331 |
mng_uint16 iToid, |
|
3332 |
mng_uint8 iCliptype, |
|
3333 |
mng_int32 iClipl, |
|
3334 |
mng_int32 iClipr, |
|
3335 |
mng_int32 iClipt, |
|
3336 |
mng_int32 iClipb) |
|
3337 |
{
|
|
3338 |
mng_uint16 iX; |
|
3339 |
mng_imagep pImage; |
|
3340 |
||
3341 |
#ifdef MNG_SUPPORT_TRACE
|
|
3342 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLIP, MNG_LC_START) |
|
3343 |
#endif
|
|
3344 |
/* iterate the list */
|
|
3345 |
for (iX = iFromid; iX <= iToid; iX++) |
|
3346 |
{
|
|
3347 |
if (!iX) /* object id=0 ? */ |
|
3348 |
pImage = (mng_imagep)pData->pObjzero; |
|
3349 |
else
|
|
3350 |
pImage = find_imageobject (pData, iX); |
|
3351 |
||
3352 |
if (pImage) /* object exists ? */ |
|
3353 |
{
|
|
3354 |
switch (iCliptype) |
|
3355 |
{
|
|
3356 |
case 0 : { /* absolute */ |
|
3357 |
pImage->bClipped = MNG_TRUE; |
|
3358 |
pImage->iClipl = iClipl; |
|
3359 |
pImage->iClipr = iClipr; |
|
3360 |
pImage->iClipt = iClipt; |
|
3361 |
pImage->iClipb = iClipb; |
|
3362 |
break; |
|
3363 |
}
|
|
3364 |
case 1 : { /* relative */ |
|
3365 |
pImage->bClipped = MNG_TRUE; |
|
3366 |
pImage->iClipl = pImage->iClipl + iClipl; |
|
3367 |
pImage->iClipr = pImage->iClipr + iClipr; |
|
3368 |
pImage->iClipt = pImage->iClipt + iClipt; |
|
3369 |
pImage->iClipb = pImage->iClipb + iClipb; |
|
3370 |
break; |
|
3371 |
}
|
|
3372 |
}
|
|
3373 |
}
|
|
3374 |
}
|
|
3375 |
||
3376 |
#ifdef MNG_SUPPORT_TRACE
|
|
3377 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_CLIP, MNG_LC_END) |
|
3378 |
#endif
|
|
3379 |
||
3380 |
return MNG_NOERROR; |
|
3381 |
}
|
|
3382 |
||
3383 |
/* ************************************************************************** */
|
|
3384 |
||
3385 |
mng_retcode process_display_show (mng_datap pData) |
|
3386 |
{
|
|
3387 |
mng_int16 iX, iS, iFrom, iTo; |
|
3388 |
mng_imagep pImage; |
|
3389 |
||
3390 |
#ifdef MNG_SUPPORT_TRACE
|
|
3391 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SHOW, MNG_LC_START) |
|
3392 |
#endif
|
|
3393 |
||
3394 |
/* TODO: optimization for the cases where "abs (iTo - iFrom)" is rather high;
|
|
3395 |
especially where ((iFrom==1) && (iTo==65535)); eg. an empty SHOW !!! */
|
|
3396 |
||
3397 |
if (pData->iBreakpoint == 3) /* previously broken during cycle-mode ? */ |
|
3398 |
{
|
|
3399 |
pImage = find_imageobject (pData, pData->iSHOWnextid); |
|
3400 |
||
3401 |
if (pImage) /* still there ? */ |
|
3402 |
display_image (pData, pImage, MNG_FALSE); |
|
3403 |
||
3404 |
pData->iBreakpoint = 0; /* let's not go through this again! */ |
|
3405 |
}
|
|
3406 |
else
|
|
3407 |
{
|
|
3408 |
if (pData->iBreakpoint) /* previously broken at other point ? */ |
|
3409 |
{ /* restore last parms */ |
|
3410 |
iFrom = (mng_int16)pData->iSHOWfromid; |
|
3411 |
iTo = (mng_int16)pData->iSHOWtoid; |
|
3412 |
iX = (mng_int16)pData->iSHOWnextid; |
|
3413 |
iS = (mng_int16)pData->iSHOWskip; |
|
3414 |
}
|
|
3415 |
else
|
|
3416 |
{ /* regular sequence ? */ |
|
3417 |
if (pData->iSHOWtoid >= pData->iSHOWfromid) |
|
3418 |
iS = 1; |
|
3419 |
else /* reverse sequence ! */ |
|
3420 |
iS = -1; |
|
3421 |
||
3422 |
iFrom = (mng_int16)pData->iSHOWfromid; |
|
3423 |
iTo = (mng_int16)pData->iSHOWtoid; |
|
3424 |
iX = iFrom; |
|
3425 |
||
3426 |
pData->iSHOWfromid = (mng_uint16)iFrom; |
|
3427 |
pData->iSHOWtoid = (mng_uint16)iTo; |
|
3428 |
pData->iSHOWskip = iS; |
|
3429 |
}
|
|
3430 |
/* cycle mode ? */
|
|
3431 |
if ((pData->iSHOWmode == 6) || (pData->iSHOWmode == 7)) |
|
3432 |
{
|
|
3433 |
mng_uint16 iTrigger = 0; |
|
3434 |
mng_uint16 iFound = 0; |
|
3435 |
mng_uint16 iPass = 0; |
|
3436 |
mng_imagep pFound = 0; |
|
3437 |
||
3438 |
do
|
|
3439 |
{
|
|
3440 |
iPass++; /* lets prevent endless loops when there |
|
3441 |
are no potential candidates in the list! */
|
|
3442 |
||
3443 |
if (iS > 0) /* forward ? */ |
|
3444 |
{
|
|
3445 |
for (iX = iFrom; iX <= iTo; iX += iS) |
|
3446 |
{
|
|
3447 |
pImage = find_imageobject (pData, (mng_uint16)iX); |
|
3448 |
||
3449 |
if (pImage) /* object exists ? */ |
|
3450 |
{
|
|
3451 |
if (iFound) /* already found a candidate ? */ |
|
3452 |
pImage->bVisible = MNG_FALSE; |
|
3453 |
else
|
|
3454 |
if (iTrigger) /* found the trigger ? */ |
|
3455 |
{
|
|
3456 |
pImage->bVisible = MNG_TRUE; |
|
3457 |
iFound = iX; |
|
3458 |
pFound = pImage; |
|
3459 |
}
|
|
3460 |
else
|
|
3461 |
if (pImage->bVisible) /* ok, this is the trigger */ |
|
3462 |
{
|
|
3463 |
pImage->bVisible = MNG_FALSE; |
|
3464 |
iTrigger = iX; |
|
3465 |
}
|
|
3466 |
}
|
|
3467 |
}
|
|
3468 |
}
|
|
3469 |
else
|
|
3470 |
{
|
|
3471 |
for (iX = iFrom; iX >= iTo; iX += iS) |
|
3472 |
{
|
|
3473 |
pImage = find_imageobject (pData, (mng_uint16)iX); |
|
3474 |
||
3475 |
if (pImage) /* object exists ? */ |
|
3476 |
{
|
|
3477 |
if (iFound) /* already found a candidate ? */ |
|
3478 |
pImage->bVisible = MNG_FALSE; |
|
3479 |
else
|
|
3480 |
if (iTrigger) /* found the trigger ? */ |
|
3481 |
{
|
|
3482 |
pImage->bVisible = MNG_TRUE; |
|
3483 |
iFound = iX; |
|
3484 |
pFound = pImage; |
|
3485 |
}
|
|
3486 |
else
|
|
3487 |
if (pImage->bVisible) /* ok, this is the trigger */ |
|
3488 |
{
|
|
3489 |
pImage->bVisible = MNG_FALSE; |
|
3490 |
iTrigger = iX; |
|
3491 |
}
|
|
3492 |
}
|
|
3493 |
}
|
|
3494 |
}
|
|
3495 |
||
3496 |
if (!iTrigger) /* did not find a trigger ? */ |
|
3497 |
iTrigger = 1; /* then fake it so the first image |
|
3498 |
gets nominated */
|
|
3499 |
} /* cycle back to beginning ? */ |
|
3500 |
while ((iPass < 2) && (iTrigger) && (!iFound)); |
|
3501 |
||
3502 |
pData->iBreakpoint = 0; /* just a sanity precaution */ |
|
3503 |
/* display it ? */
|
|
3504 |
if ((pData->iSHOWmode == 6) && (pFound)) |
|
3505 |
{
|
|
3506 |
display_image (pData, pFound, MNG_FALSE); |
|
3507 |
||
3508 |
if (pData->bTimerset) /* timer set ? */ |
|
3509 |
{
|
|
3510 |
pData->iBreakpoint = 3; |
|
3511 |
pData->iSHOWnextid = iFound; /* save it for after the break */ |
|
3512 |
}
|
|
3513 |
}
|
|
3514 |
}
|
|
3515 |
else
|
|
3516 |
{
|
|
3517 |
do
|
|
3518 |
{
|
|
3519 |
pImage = find_imageobject (pData, iX); |
|
3520 |
||
3521 |
if (pImage) /* object exists ? */ |
|
3522 |
{
|
|
3523 |
if (pData->iBreakpoint) /* did we get broken last time ? */ |
|
3524 |
{ /* could only happen in the display routine */ |
|
3525 |
display_image (pData, pImage, MNG_FALSE); |
|
3526 |
pData->iBreakpoint = 0; /* only once inside this loop please ! */ |
|
3527 |
}
|
|
3528 |
else
|
|
3529 |
{
|
|
3530 |
switch (pData->iSHOWmode) /* do what ? */ |
|
3531 |
{
|
|
3532 |
case 0 : { |
|
3533 |
pImage->bVisible = MNG_TRUE; |
|
3534 |
display_image (pData, pImage, MNG_FALSE); |
|
3535 |
break; |
|
3536 |
}
|
|
3537 |
case 1 : { |
|
3538 |
pImage->bVisible = MNG_FALSE; |
|
3539 |
break; |
|
3540 |
}
|
|
3541 |
case 2 : { |
|
3542 |
if (pImage->bVisible) |
|
3543 |
display_image (pData, pImage, MNG_FALSE); |
|
3544 |
break; |
|
3545 |
}
|
|
3546 |
case 3 : { |
|
3547 |
pImage->bVisible = MNG_TRUE; |
|
3548 |
break; |
|
3549 |
}
|
|
3550 |
case 4 : { |
|
3551 |
pImage->bVisible = (mng_bool)(!pImage->bVisible); |
|
3552 |
if (pImage->bVisible) |
|
3553 |
display_image (pData, pImage, MNG_FALSE); |
|
3554 |
break; |
|
3555 |
}
|
|
3556 |
case 5 : { |
|
3557 |
pImage->bVisible = (mng_bool)(!pImage->bVisible); |
|
3558 |
}
|
|
3559 |
}
|
|
3560 |
}
|
|
3561 |
}
|
|
3562 |
||
3563 |
if (!pData->bTimerset) /* next ? */ |
|
3564 |
iX += iS; |
|
3565 |
||
3566 |
} /* continue ? */ |
|
3567 |
while ((!pData->bTimerset) && (((iS > 0) && (iX <= iTo)) || |
|
3568 |
((iS < 0) && (iX >= iTo)) )); |
|
3569 |
||
3570 |
if (pData->bTimerset) /* timer set ? */ |
|
3571 |
{
|
|
3572 |
pData->iBreakpoint = 4; |
|
3573 |
pData->iSHOWnextid = iX; /* save for next time */ |
|
3574 |
}
|
|
3575 |
else
|
|
3576 |
pData->iBreakpoint = 0; |
|
3577 |
||
3578 |
}
|
|
3579 |
}
|
|
3580 |
||
3581 |
#ifdef MNG_SUPPORT_TRACE
|
|
3582 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SHOW, MNG_LC_END) |
|
3583 |
#endif
|
|
3584 |
||
3585 |
return MNG_NOERROR; |
|
3586 |
}
|
|
3587 |
||
3588 |
/* ************************************************************************** */
|
|
3589 |
||
3590 |
mng_retcode process_display_save (mng_datap pData) |
|
3591 |
{
|
|
3592 |
mng_retcode iRetcode; |
|
3593 |
||
3594 |
#ifdef MNG_SUPPORT_TRACE
|
|
3595 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SAVE, MNG_LC_START) |
|
3596 |
#endif
|
|
3597 |
||
3598 |
iRetcode = save_state (pData); /* save the current state */ |
|
3599 |
||
3600 |
if (iRetcode) /* on error bail out */ |
|
3601 |
return iRetcode; |
|
3602 |
||
3603 |
#ifdef MNG_SUPPORT_TRACE
|
|
3604 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SAVE, MNG_LC_END) |
|
3605 |
#endif
|
|
3606 |
||
3607 |
return MNG_NOERROR; |
|
3608 |
}
|
|
3609 |
||
3610 |
/* ************************************************************************** */
|
|
3611 |
||
3612 |
mng_retcode process_display_seek (mng_datap pData) |
|
3613 |
{
|
|
3614 |
mng_retcode iRetcode; |
|
3615 |
||
3616 |
#ifdef MNG_SUPPORT_TRACE
|
|
3617 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SEEK, MNG_LC_START) |
|
3618 |
#endif
|
|
3619 |
||
3620 |
iRetcode = restore_state (pData); /* restore the initial or SAVE state */ |
|
3621 |
||
3622 |
if (iRetcode) /* on error bail out */ |
|
3623 |
return iRetcode; |
|
3624 |
||
3625 |
#ifdef MNG_SUPPORT_TRACE
|
|
3626 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_SEEK, MNG_LC_END) |
|
3627 |
#endif
|
|
3628 |
||
3629 |
return MNG_NOERROR; |
|
3630 |
}
|
|
3631 |
||
3632 |
/* ************************************************************************** */
|
|
3633 |
||
3634 |
#ifdef MNG_INCLUDE_JNG
|
|
3635 |
mng_retcode process_display_jhdr (mng_datap pData) |
|
3636 |
{ /* address the current "object" if any */ |
|
3637 |
mng_imagep pImage = (mng_imagep)pData->pCurrentobj; |
|
3638 |
mng_retcode iRetcode = MNG_NOERROR; |
|
3639 |
||
3640 |
#ifdef MNG_SUPPORT_TRACE
|
|
3641 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JHDR, MNG_LC_START) |
|
3642 |
#endif
|
|
3643 |
||
3644 |
if (!pData->bHasDHDR) |
|
3645 |
{
|
|
3646 |
pData->fInitrowproc = MNG_NULL; /* do nothing by default */ |
|
3647 |
pData->fDisplayrow = MNG_NULL; |
|
3648 |
pData->fCorrectrow = MNG_NULL; |
|
3649 |
pData->fStorerow = MNG_NULL; |
|
3650 |
pData->fProcessrow = MNG_NULL; |
|
3651 |
pData->fDifferrow = MNG_NULL; |
|
3652 |
pData->fStorerow2 = MNG_NULL; |
|
3653 |
pData->fStorerow3 = MNG_NULL; |
|
3654 |
||
3655 |
pData->pStoreobj = MNG_NULL; /* initialize important work-parms */ |
|
3656 |
||
3657 |
pData->iJPEGrow = 0; |
|
3658 |
pData->iJPEGalpharow = 0; |
|
3659 |
pData->iJPEGrgbrow = 0; |
|
3660 |
pData->iRowmax = 0; /* so init_rowproc does the right thing ! */ |
|
3661 |
}
|
|
3662 |
||
3663 |
if (!pData->iBreakpoint) /* not previously broken ? */ |
|
3664 |
{
|
|
3665 |
if (pData->bHasDHDR) /* delta-image ? */ |
|
3666 |
{
|
|
3667 |
if (pData->iDeltatype == MNG_DELTATYPE_REPLACE) |
|
3668 |
{
|
|
3669 |
iRetcode = reset_object_details (pData, (mng_imagep)pData->pDeltaImage, |
|
3670 |
pData->iDatawidth, pData->iDataheight, |
|
3671 |
pData->iJHDRimgbitdepth, pData->iJHDRcolortype, |
|
3672 |
pData->iJHDRalphacompression, pData->iJHDRalphafilter, |
|
3673 |
pData->iJHDRalphainterlace, MNG_TRUE); |
|
3674 |
||
3675 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphabitdepth = pData->iJHDRalphabitdepth; |
|
3676 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iJHDRcompression = pData->iJHDRimgcompression; |
|
3677 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iJHDRinterlace = pData->iJHDRimginterlace; |
|
3678 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth; |
|
3679 |
}
|
|
3680 |
else
|
|
3681 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELADD ) || |
|
3682 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKPIXELREPLACE) ) |
|
3683 |
{
|
|
3684 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iPixelsampledepth = pData->iJHDRimgbitdepth; |
|
3685 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth; |
|
3686 |
}
|
|
3687 |
else
|
|
3688 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAADD ) || |
|
3689 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKALPHAREPLACE) ) |
|
3690 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth; |
|
3691 |
else
|
|
3692 |
if ((pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORADD ) || |
|
3693 |
(pData->iDeltatype == MNG_DELTATYPE_BLOCKCOLORREPLACE) ) |
|
3694 |
((mng_imagep)pData->pDeltaImage)->pImgbuf->iPixelsampledepth = pData->iJHDRimgbitdepth; |
|
3695 |
||
3696 |
}
|
|
3697 |
else
|
|
3698 |
{
|
|
3699 |
if (pImage) /* update object buffer ? */ |
|
3700 |
{
|
|
3701 |
iRetcode = reset_object_details (pData, pImage, |
|
3702 |
pData->iDatawidth, pData->iDataheight, |
|
3703 |
pData->iJHDRimgbitdepth, pData->iJHDRcolortype, |
|
3704 |
pData->iJHDRalphacompression, pData->iJHDRalphafilter, |
|
3705 |
pData->iJHDRalphainterlace, MNG_TRUE); |
|
3706 |
||
3707 |
pImage->pImgbuf->iAlphabitdepth = pData->iJHDRalphabitdepth; |
|
3708 |
pImage->pImgbuf->iJHDRcompression = pData->iJHDRimgcompression; |
|
3709 |
pImage->pImgbuf->iJHDRinterlace = pData->iJHDRimginterlace; |
|
3710 |
pImage->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth; |
|
3711 |
}
|
|
3712 |
else /* update object 0 */ |
|
3713 |
{
|
|
3714 |
iRetcode = reset_object_details (pData, (mng_imagep)pData->pObjzero, |
|
3715 |
pData->iDatawidth, pData->iDataheight, |
|
3716 |
pData->iJHDRimgbitdepth, pData->iJHDRcolortype, |
|
3717 |
pData->iJHDRalphacompression, pData->iJHDRalphafilter, |
|
3718 |
pData->iJHDRalphainterlace, MNG_TRUE); |
|
3719 |
||
3720 |
((mng_imagep)pData->pObjzero)->pImgbuf->iAlphabitdepth = pData->iJHDRalphabitdepth; |
|
3721 |
((mng_imagep)pData->pObjzero)->pImgbuf->iJHDRcompression = pData->iJHDRimgcompression; |
|
3722 |
((mng_imagep)pData->pObjzero)->pImgbuf->iJHDRinterlace = pData->iJHDRimginterlace; |
|
3723 |
((mng_imagep)pData->pObjzero)->pImgbuf->iAlphasampledepth = pData->iJHDRalphabitdepth; |
|
3724 |
}
|
|
3725 |
}
|
|
3726 |
||
3727 |
if (iRetcode) /* on error bail out */ |
|
3728 |
return iRetcode; |
|
3729 |
}
|
|
3730 |
||
3731 |
if (!pData->bHasDHDR) |
|
3732 |
{ /* we're always storing a JPEG */ |
|
3733 |
if (pImage) /* real object ? */ |
|
3734 |
pData->pStoreobj = pImage; /* tell the row routines */ |
|
3735 |
else /* otherwise use object 0 */ |
|
3736 |
pData->pStoreobj = pData->pObjzero; |
|
3737 |
/* display "on-the-fly" ? */
|
|
3738 |
if ( (((mng_imagep)pData->pStoreobj)->iMAGN_MethodX == 0) && |
|
3739 |
(((mng_imagep)pData->pStoreobj)->iMAGN_MethodY == 0) && |
|
3740 |
( (pData->eImagetype == mng_it_jng ) || |
|
3741 |
(((mng_imagep)pData->pStoreobj)->bVisible) ) ) |
|
3742 |
{
|
|
3743 |
next_layer (pData); /* that's a new layer then ! */ |
|
3744 |
||
3745 |
if (pData->bTimerset) /* timer break ? */ |
|
3746 |
pData->iBreakpoint = 7; |
|
3747 |
else
|
|
3748 |
{
|
|
3749 |
pData->iBreakpoint = 0; |
|
3750 |
/* anything to display ? */
|
|
3751 |
if ((pData->iDestr > pData->iDestl) && (pData->iDestb > pData->iDestt)) |
|
3752 |
{
|
|
3753 |
set_display_routine (pData); /* then determine display routine */ |
|
3754 |
/* display from the object we store in */
|
|
3755 |
pData->pRetrieveobj = pData->pStoreobj; |
|
3756 |
}
|
|
3757 |
}
|
|
3758 |
}
|
|
3759 |
}
|
|
3760 |
||
3761 |
if (!pData->bTimerset) /* no timer break ? */ |
|
3762 |
{ /* default row initialization ! */ |
|
3763 |
pData->fInitrowproc = (mng_fptr)init_rowproc; |
|
3764 |
||
3765 |
if ((!pData->bHasDHDR) || (pData->iDeltatype == MNG_DELTATYPE_REPLACE)) |
|
3766 |
{ /* 8-bit JPEG ? */ |
|
3767 |
if (pData->iJHDRimgbitdepth == 8) |
|
3768 |
{ /* intermediate row is 8-bit deep */ |
|
3769 |
pData->bIsRGBA16 = MNG_FALSE; |
|
3770 |
pData->iRowsamples = pData->iDatawidth; |
|
3771 |
||
3772 |
switch (pData->iJHDRcolortype) /* determine pixel processing routines */ |
|
3773 |
{
|
|
3774 |
case MNG_COLORTYPE_JPEGGRAY : |
|
3775 |
{
|
|
3776 |
pData->fStorerow2 = (mng_fptr)store_jpeg_g8; |
|
3777 |
pData->fRetrieverow = (mng_fptr)retrieve_g8; |
|
3778 |
pData->bIsOpaque = MNG_TRUE; |
|
3779 |
break; |
|
3780 |
}
|
|
3781 |
case MNG_COLORTYPE_JPEGCOLOR : |
|
3782 |
{
|
|
3783 |
pData->fStorerow2 = (mng_fptr)store_jpeg_rgb8; |
|
3784 |
pData->fRetrieverow = (mng_fptr)retrieve_rgb8; |
|
3785 |
pData->bIsOpaque = MNG_TRUE; |
|
3786 |
break; |
|
3787 |
}
|
|
3788 |
case MNG_COLORTYPE_JPEGGRAYA : |
|
3789 |
{
|
|
3790 |
pData->fStorerow2 = (mng_fptr)store_jpeg_ga8; |
|
3791 |
pData->fRetrieverow = (mng_fptr)retrieve_ga8; |
|
3792 |
pData->bIsOpaque = MNG_FALSE; |
|
3793 |
break; |
|
3794 |
}
|
|
3795 |
case MNG_COLORTYPE_JPEGCOLORA : |
|
3796 |
{
|
|
3797 |
pData->fStorerow2 = (mng_fptr)store_jpeg_rgba8; |
|
3798 |
pData->fRetrieverow = (mng_fptr)retrieve_rgba8; |
|
3799 |
pData->bIsOpaque = MNG_FALSE; |
|
3800 |
break; |
|
3801 |
}
|
|
3802 |
}
|
|
3803 |
}
|
|
3804 |
else
|
|
3805 |
{
|
|
3806 |
pData->bIsRGBA16 = MNG_TRUE; /* intermediate row is 16-bit deep */ |
|
3807 |
||
3808 |
/* TODO: 12-bit JPEG */
|
|
3809 |
/* TODO: 8- + 12-bit JPEG (eg. type=20) */
|
|
3810 |
||
3811 |
}
|
|
3812 |
/* possible IDAT alpha-channel ? */
|
|
3813 |
if (pData->iJHDRalphacompression == MNG_COMPRESSION_DEFLATE) |
|
3814 |
{
|
|
3815 |
/* determine alpha processing routine */
|
|
3816 |
switch (pData->iJHDRalphabitdepth) |
|
3817 |
{
|
|
3818 |
case 1 : { pData->fInitrowproc = (mng_fptr)init_jpeg_a1_ni; break; } |
|
3819 |
case 2 : { pData->fInitrowproc = (mng_fptr)init_jpeg_a2_ni; break; } |
|
3820 |
case 4 : { pData->fInitrowproc = (mng_fptr)init_jpeg_a4_ni; break; } |
|
3821 |
case 8 : { pData->fInitrowproc = (mng_fptr)init_jpeg_a8_ni; break; } |
|
3822 |
case 16 : { pData->fInitrowproc = (mng_fptr)init_jpeg_a16_ni; break; } |
|
3823 |
}
|
|
3824 |
}
|
|
3825 |
else /* possible JDAA alpha-channel ? */ |
|
3826 |
if (pData->iJHDRalphacompression == MNG_COMPRESSION_BASELINEJPEG) |
|
3827 |
{ /* 8-bit JPEG ? */ |
|
3828 |
if (pData->iJHDRimgbitdepth == 8) |
|
3829 |
{
|
|
3830 |
if (pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA) |
|
3831 |
pData->fStorerow3 = (mng_fptr)store_jpeg_g8_alpha; |
|
3832 |
else
|
|
3833 |
if (pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) |
|
3834 |
pData->fStorerow3 = (mng_fptr)store_jpeg_rgb8_alpha; |
|
3835 |
}
|
|
3836 |
else
|
|
3837 |
{
|
|
3838 |
/* TODO: 12-bit JPEG with 8-bit JDAA */
|
|
3839 |
}
|
|
3840 |
}
|
|
3841 |
/* initialize JPEG library */
|
|
3842 |
iRetcode = mngjpeg_initialize (pData); |
|
3843 |
||
3844 |
if (iRetcode) /* on error bail out */ |
|
3845 |
return iRetcode; |
|
3846 |
}
|
|
3847 |
else
|
|
3848 |
{ /* must be alpha add/replace !! */ |
|
3849 |
if ((pData->iDeltatype != MNG_DELTATYPE_BLOCKALPHAADD ) && |
|
3850 |
(pData->iDeltatype != MNG_DELTATYPE_BLOCKALPHAREPLACE) ) |
|
3851 |
MNG_ERROR (pData, MNG_INVDELTATYPE) |
|
3852 |
/* determine alpha processing routine */
|
|
3853 |
switch (pData->iJHDRalphabitdepth) |
|
3854 |
{
|
|
3855 |
case 1 : { pData->fInitrowproc = (mng_fptr)init_g1_ni; break; } |
|
3856 |
case 2 : { pData->fInitrowproc = (mng_fptr)init_g2_ni; break; } |
|
3857 |
case 4 : { pData->fInitrowproc = (mng_fptr)init_g4_ni; break; } |
|
3858 |
case 8 : { pData->fInitrowproc = (mng_fptr)init_g8_ni; break; } |
|
3859 |
case 16 : { pData->fInitrowproc = (mng_fptr)init_g16_ni; break; } |
|
3860 |
}
|
|
3861 |
}
|
|
3862 |
||
3863 |
pData->iFilterofs = 0; /* determine filter characteristics */ |
|
3864 |
pData->iLevel0 = 0; /* default levels */ |
|
3865 |
pData->iLevel1 = 0; |
|
3866 |
pData->iLevel2 = 0; |
|
3867 |
pData->iLevel3 = 0; |
|
3868 |
/* leveling & differing ? */
|
|
3869 |
/* if (pData->iJHDRalphafilter & 0x40)
|
|
3870 |
{
|
|
3871 |
if (pData->iJHDRalphabitdepth <= 8)
|
|
3872 |
pData->iFilterofs = 1;
|
|
3873 |
else
|
|
3874 |
pData->iFilterofs = 2;
|
|
3875 |
||
3876 |
} */
|
|
3877 |
/* no adaptive filtering ? */
|
|
3878 |
/* if (pData->iJHDRalphafilter & 0x01)
|
|
3879 |
pData->iPixelofs = pData->iFilterofs;
|
|
3880 |
else */
|
|
3881 |
pData->iPixelofs = pData->iFilterofs + 1; |
|
3882 |
||
3883 |
}
|
|
3884 |
||
3885 |
#ifdef MNG_SUPPORT_TRACE
|
|
3886 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JHDR, MNG_LC_END) |
|
3887 |
#endif
|
|
3888 |
||
3889 |
return MNG_NOERROR; |
|
3890 |
}
|
|
3891 |
#endif /* MNG_INCLUDE_JNG */ |
|
3892 |
||
3893 |
/* ************************************************************************** */
|
|
3894 |
||
3895 |
#ifdef MNG_INCLUDE_JNG
|
|
3896 |
mng_retcode process_display_jdaa (mng_datap pData, |
|
3897 |
mng_uint32 iRawlen, |
|
3898 |
mng_uint8p pRawdata) |
|
3899 |
{
|
|
3900 |
mng_retcode iRetcode = MNG_NOERROR; |
|
3901 |
||
3902 |
#ifdef MNG_SUPPORT_TRACE
|
|
3903 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JDAA, MNG_LC_START) |
|
3904 |
#endif
|
|
3905 |
||
3906 |
if (!pData->bJPEGdecompress2) /* if we're not decompressing already */ |
|
3907 |
{
|
|
3908 |
if (pData->fInitrowproc) /* initialize row-processing? */ |
|
3909 |
{
|
|
3910 |
iRetcode = ((mng_initrowproc)pData->fInitrowproc) (pData); |
|
3911 |
pData->fInitrowproc = MNG_NULL; /* only call this once !!! */ |
|
3912 |
}
|
|
3913 |
||
3914 |
if (!iRetcode) /* initialize decompress */ |
|
3915 |
iRetcode = mngjpeg_decompressinit2 (pData); |
|
3916 |
}
|
|
3917 |
||
3918 |
if (!iRetcode) /* all ok? then decompress, my man */ |
|
3919 |
iRetcode = mngjpeg_decompressdata2 (pData, iRawlen, pRawdata); |
|
3920 |
||
3921 |
if (iRetcode) |
|
3922 |
return iRetcode; |
|
3923 |
||
3924 |
#ifdef MNG_SUPPORT_TRACE
|
|
3925 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JDAA, MNG_LC_END) |
|
3926 |
#endif
|
|
3927 |
||
3928 |
return MNG_NOERROR; |
|
3929 |
}
|
|
3930 |
#endif /* MNG_INCLUDE_JNG */ |
|
3931 |
||
3932 |
/* ************************************************************************** */
|
|
3933 |
||
3934 |
#ifdef MNG_INCLUDE_JNG
|
|
3935 |
mng_retcode process_display_jdat (mng_datap pData, |
|
3936 |
mng_uint32 iRawlen, |
|
3937 |
mng_uint8p pRawdata) |
|
3938 |
{
|
|
3939 |
mng_retcode iRetcode = MNG_NOERROR; |
|
3940 |
||
3941 |
#ifdef MNG_SUPPORT_TRACE
|
|
3942 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JDAT, MNG_LC_START) |
|
3943 |
#endif
|
|
3944 |
||
3945 |
if (pData->bRestorebkgd) /* need to restore the background ? */ |
|
3946 |
{
|
|
3947 |
pData->bRestorebkgd = MNG_FALSE; |
|
3948 |
iRetcode = load_bkgdlayer (pData); |
|
3949 |
||
3950 |
if ((pData->bDisplaying) && (pData->bRunning)) |
|
3951 |
pData->iLayerseq++; /* and it counts as a layer then ! */ |
|
3952 |
||
3953 |
if (iRetcode) /* on error bail out */ |
|
3954 |
return iRetcode; |
|
3955 |
}
|
|
3956 |
||
3957 |
if (!pData->bJPEGdecompress) /* if we're not decompressing already */ |
|
3958 |
{
|
|
3959 |
if (pData->fInitrowproc) /* initialize row-processing? */ |
|
3960 |
{
|
|
3961 |
iRetcode = ((mng_initrowproc)pData->fInitrowproc) (pData); |
|
3962 |
pData->fInitrowproc = MNG_NULL; /* only call this once !!! */ |
|
3963 |
}
|
|
3964 |
||
3965 |
if (!iRetcode) /* initialize decompress */ |
|
3966 |
iRetcode = mngjpeg_decompressinit (pData); |
|
3967 |
}
|
|
3968 |
||
3969 |
if (!iRetcode) /* all ok? then decompress, my man */ |
|
3970 |
iRetcode = mngjpeg_decompressdata (pData, iRawlen, pRawdata); |
|
3971 |
||
3972 |
if (iRetcode) |
|
3973 |
return iRetcode; |
|
3974 |
||
3975 |
#ifdef MNG_SUPPORT_TRACE
|
|
3976 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_JDAT, MNG_LC_END) |
|
3977 |
#endif
|
|
3978 |
||
3979 |
return MNG_NOERROR; |
|
3980 |
}
|
|
3981 |
#endif /* MNG_INCLUDE_JNG */ |
|
3982 |
||
3983 |
/* ************************************************************************** */
|
|
3984 |
||
3985 |
mng_retcode process_display_dhdr (mng_datap pData, |
|
3986 |
mng_uint16 iObjectid, |
|
3987 |
mng_uint8 iImagetype, |
|
3988 |
mng_uint8 iDeltatype, |
|
3989 |
mng_uint32 iBlockwidth, |
|
3990 |
mng_uint32 iBlockheight, |
|
3991 |
mng_uint32 iBlockx, |
|
3992 |
mng_uint32 iBlocky) |
|
3993 |
{
|
|
3994 |
mng_imagep pImage; |
|
3995 |
mng_retcode iRetcode; |
|
3996 |
||
3997 |
#ifdef MNG_SUPPORT_TRACE
|
|
3998 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DHDR, MNG_LC_START) |
|
3999 |
#endif
|
|
4000 |
||
4001 |
pData->fInitrowproc = MNG_NULL; /* do nothing by default */ |
|
4002 |
pData->fDisplayrow = MNG_NULL; |
|
4003 |
pData->fCorrectrow = MNG_NULL; |
|
4004 |
pData->fStorerow = MNG_NULL; |
|
4005 |
pData->fProcessrow = MNG_NULL; |
|
4006 |
pData->pStoreobj = MNG_NULL; |
|
4007 |
||
4008 |
pData->fDeltagetrow = MNG_NULL; |
|
4009 |
pData->fDeltaaddrow = MNG_NULL; |
|
4010 |
pData->fDeltareplacerow = MNG_NULL; |
|
4011 |
pData->fDeltaputrow = MNG_NULL; |
|
4012 |
||
4013 |
pImage = find_imageobject (pData, iObjectid); |
|
4014 |
||
4015 |
if (pImage) /* object exists ? */ |
|
4016 |
{
|
|
4017 |
if (pImage->pImgbuf->bConcrete) /* is it concrete ? */ |
|
4018 |
{ /* previous magnification to be done ? */ |
|
4019 |
if ((pImage->iMAGN_MethodX) || (pImage->iMAGN_MethodY)) |
|
4020 |
{
|
|
4021 |
iRetcode = magnify_imageobject (pData, pImage); |
|
4022 |
||
4023 |
if (iRetcode) /* on error bail out */ |
|
4024 |
return iRetcode; |
|
4025 |
}
|
|
4026 |
/* save delta fields */
|
|
4027 |
pData->pDeltaImage = (mng_ptr)pImage; |
|
4028 |
pData->iDeltaImagetype = iImagetype; |
|
4029 |
pData->iDeltatype = iDeltatype; |
|
4030 |
pData->iDeltaBlockwidth = iBlockwidth; |
|
4031 |
pData->iDeltaBlockheight = iBlockheight; |
|
4032 |
pData->iDeltaBlockx = iBlockx; |
|
4033 |
pData->iDeltaBlocky = iBlocky; |
|
4034 |
/* restore target-object fields */
|
|
4035 |
pData->iDatawidth = pImage->pImgbuf->iWidth; |
|
4036 |
pData->iDataheight = pImage->pImgbuf->iHeight; |
|
4037 |
pData->iBitdepth = pImage->pImgbuf->iBitdepth; |
|
4038 |
pData->iColortype = pImage->pImgbuf->iColortype; |
|
4039 |
pData->iCompression = pImage->pImgbuf->iCompression; |
|
4040 |
pData->iFilter = pImage->pImgbuf->iFilter; |
|
4041 |
pData->iInterlace = pImage->pImgbuf->iInterlace; |
|
4042 |
||
4043 |
#ifdef MNG_INCLUDE_JNG
|
|
4044 |
pData->iJHDRimgbitdepth = pImage->pImgbuf->iBitdepth; |
|
4045 |
pData->iJHDRcolortype = pImage->pImgbuf->iColortype; |
|
4046 |
pData->iJHDRimgcompression = pImage->pImgbuf->iJHDRcompression; |
|
4047 |
pData->iJHDRimginterlace = pImage->pImgbuf->iJHDRinterlace; |
|
4048 |
pData->iJHDRalphacompression = pImage->pImgbuf->iCompression; |
|
4049 |
pData->iJHDRalphafilter = pImage->pImgbuf->iFilter; |
|
4050 |
pData->iJHDRalphainterlace = pImage->pImgbuf->iInterlace; |
|
4051 |
pData->iJHDRalphabitdepth = pImage->pImgbuf->iAlphabitdepth; |
|
4052 |
#endif
|
|
4053 |
/* block size specified ? */
|
|
4054 |
if (iDeltatype != MNG_DELTATYPE_NOCHANGE) |
|
4055 |
{
|
|
4056 |
pData->iDatawidth = iBlockwidth; |
|
4057 |
pData->iDataheight = iBlockheight; |
|
4058 |
}
|
|
4059 |
||
4060 |
switch (iDeltatype) /* determine nr of delta-channels */ |
|
4061 |
{
|
|
4062 |
case MNG_DELTATYPE_BLOCKALPHAADD : ; |
|
4063 |
case MNG_DELTATYPE_BLOCKALPHAREPLACE : |
|
4064 |
{
|
|
4065 |
#ifdef MNG_INCLUDE_JNG
|
|
4066 |
if ((pData->iColortype == MNG_COLORTYPE_GRAYA ) || |
|
4067 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA) ) |
|
4068 |
{
|
|
4069 |
pData->iColortype = MNG_COLORTYPE_GRAY; |
|
4070 |
pData->iJHDRcolortype = MNG_COLORTYPE_JPEGGRAY; |
|
4071 |
}
|
|
4072 |
else
|
|
4073 |
if ((pData->iColortype == MNG_COLORTYPE_RGBA ) || |
|
4074 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) ) |
|
4075 |
{
|
|
4076 |
pData->iColortype = MNG_COLORTYPE_GRAY; |
|
4077 |
pData->iJHDRcolortype = MNG_COLORTYPE_JPEGGRAY; |
|
4078 |
}
|
|
4079 |
#else
|
|
4080 |
if (pData->iColortype == MNG_COLORTYPE_GRAYA) |
|
4081 |
pData->iColortype = MNG_COLORTYPE_GRAY; |
|
4082 |
else
|
|
4083 |
if (pData->iColortype == MNG_COLORTYPE_RGBA) |
|
4084 |
pData->iColortype = MNG_COLORTYPE_GRAY; |
|
4085 |
#endif
|
|
4086 |
else /* target has no alpha; that sucks! */ |
|
4087 |
MNG_ERROR (pData, MNG_TARGETNOALPHA) |
|
4088 |
||
4089 |
break; |
|
4090 |
}
|
|
4091 |
||
4092 |
case MNG_DELTATYPE_BLOCKCOLORADD : ; |
|
4093 |
case MNG_DELTATYPE_BLOCKCOLORREPLACE : |
|
4094 |
{
|
|
4095 |
#ifdef MNG_INCLUDE_JNG
|
|
4096 |
if ((pData->iColortype == MNG_COLORTYPE_GRAYA ) || |
|
4097 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGGRAYA) ) |
|
4098 |
{
|
|
4099 |
pData->iColortype = MNG_COLORTYPE_GRAY; |
|
4100 |
pData->iJHDRcolortype = MNG_COLORTYPE_JPEGGRAY; |
|
4101 |
}
|
|
4102 |
else
|
|
4103 |
if ((pData->iColortype == MNG_COLORTYPE_RGBA ) || |
|
4104 |
(pData->iJHDRcolortype == MNG_COLORTYPE_JPEGCOLORA) ) |
|
4105 |
{
|
|
4106 |
pData->iColortype = MNG_COLORTYPE_RGB; |
|
4107 |
pData->iJHDRcolortype = MNG_COLORTYPE_JPEGCOLOR; |
|
4108 |
}
|
|
4109 |
#else
|
|
4110 |
if (pData->iColortype == MNG_COLORTYPE_GRAYA) |
|
4111 |
pData->iColortype = MNG_COLORTYPE_GRAY; |
|
4112 |
else
|
|
4113 |
if (pData->iColortype == MNG_COLORTYPE_RGBA) |
|
4114 |
pData->iColortype = MNG_COLORTYPE_RGB; |
|
4115 |
#endif
|
|
4116 |
else /* target has no alpha; that sucks! */ |
|
4117 |
MNG_ERROR (pData, MNG_TARGETNOALPHA) |
|
4118 |
||
4119 |
break; |
|
4120 |
}
|
|
4121 |
||
4122 |
}
|
|
4123 |
/* full image replace ? */
|
|
4124 |
if (iDeltatype == MNG_DELTATYPE_REPLACE) |
|
4125 |
{
|
|
4126 |
iRetcode = reset_object_details (pData, pImage, |
|
4127 |
pData->iDatawidth, pData->iDataheight, |
|
4128 |
pData->iBitdepth, pData->iColortype, |
|
4129 |
pData->iCompression, pData->iFilter, |
|
4130 |
pData->iInterlace, MNG_FALSE); |
|
4131 |
||
4132 |
if (iRetcode) /* on error bail out */ |
|
4133 |
return iRetcode; |
|
4134 |
||
4135 |
pData->pStoreobj = pImage; /* and store straight into this object */ |
|
4136 |
}
|
|
4137 |
else
|
|
4138 |
{
|
|
4139 |
mng_imagedatap pBufzero, pBuf; |
|
4140 |
/* we store in object 0 and process it later */
|
|
4141 |
pData->pStoreobj = pData->pObjzero; |
|
4142 |
/* make sure to initialize object 0 then */
|
|
4143 |
iRetcode = reset_object_details (pData, (mng_imagep)pData->pObjzero, |
|
4144 |
pData->iDatawidth, pData->iDataheight, |
|
4145 |
pData->iBitdepth, pData->iColortype, |
|
4146 |
pData->iCompression, pData->iFilter, |
|
4147 |
pData->iInterlace, MNG_TRUE); |
|
4148 |
||
4149 |
if (iRetcode) /* on error bail out */ |
|
4150 |
return iRetcode; |
|
4151 |
||
4152 |
pBuf = pImage->pImgbuf; /* copy possible palette & cheap transparency */ |
|
4153 |
pBufzero = ((mng_imagep)pData->pObjzero)->pImgbuf; |
|
4154 |
||
4155 |
pBufzero->bHasPLTE = pBuf->bHasPLTE; |
|
4156 |
pBufzero->bHasTRNS = pBuf->bHasTRNS; |
|
4157 |
||
4158 |
if (pBufzero->bHasPLTE) /* copy palette ? */ |
|
4159 |
{
|
|
4160 |
mng_uint32 iX; |
|
4161 |
||
4162 |
pBufzero->iPLTEcount = pBuf->iPLTEcount; |
|
4163 |
||
4164 |
for (iX = 0; iX < pBuf->iPLTEcount; iX++) |
|
4165 |
{
|
|
4166 |
pBufzero->aPLTEentries [iX].iRed = pBuf->aPLTEentries [iX].iRed; |
|
4167 |
pBufzero->aPLTEentries [iX].iGreen = pBuf->aPLTEentries [iX].iGreen; |
|
4168 |
pBufzero->aPLTEentries [iX].iBlue = pBuf->aPLTEentries [iX].iBlue; |
|
4169 |
}
|
|
4170 |
}
|
|
4171 |
||
4172 |
if (pBufzero->bHasTRNS) /* copy cheap transparency ? */ |
|
4173 |
{
|
|
4174 |
pBufzero->iTRNSgray = pBuf->iTRNSgray; |
|
4175 |
pBufzero->iTRNSred = pBuf->iTRNSred; |
|
4176 |
pBufzero->iTRNSgreen = pBuf->iTRNSgreen; |
|
4177 |
pBufzero->iTRNSblue = pBuf->iTRNSblue; |
|
4178 |
pBufzero->iTRNScount = pBuf->iTRNScount; |
|
4179 |
||
4180 |
MNG_COPY (pBufzero->aTRNSentries, pBuf->aTRNSentries, |
|
4181 |
sizeof (pBufzero->aTRNSentries)) |
|
4182 |
}
|
|
4183 |
/* process immediatly if bitdepth & colortype are equal */
|
|
4184 |
pData->bDeltaimmediate = |
|
4185 |
(mng_bool)((pData->bDisplaying) && (pData->bRunning) && |
|
4186 |
(pData->iBitdepth == ((mng_imagep)pData->pDeltaImage)->pImgbuf->iBitdepth ) && |
|
4187 |
(pData->iColortype == ((mng_imagep)pData->pDeltaImage)->pImgbuf->iColortype) ); |
|
4188 |
}
|
|
4189 |
||
4190 |
switch (pData->iColortype) /* determine row initialization routine */ |
|
4191 |
{
|
|
4192 |
case 0 : { /* gray */ |
|
4193 |
switch (pData->iBitdepth) |
|
4194 |
{
|
|
4195 |
case 1 : { |
|
4196 |
if (!pData->iInterlace) |
|
4197 |
pData->fInitrowproc = (mng_fptr)init_g1_ni; |
|
4198 |
else
|
|
4199 |
pData->fInitrowproc = (mng_fptr)init_g1_i; |
|
4200 |
||
4201 |
break; |
|
4202 |
}
|
|
4203 |
case 2 : { |
|
4204 |
if (!pData->iInterlace) |
|
4205 |
pData->fInitrowproc = (mng_fptr)init_g2_ni; |
|
4206 |
else
|
|
4207 |
pData->fInitrowproc = (mng_fptr)init_g2_i; |
|
4208 |
||
4209 |
break; |
|
4210 |
}
|
|
4211 |
case 4 : { |
|
4212 |
if (!pData->iInterlace) |
|
4213 |
pData->fInitrowproc = (mng_fptr)init_g4_ni; |
|
4214 |
else
|
|
4215 |
pData->fInitrowproc = (mng_fptr)init_g4_i; |
|
4216 |
||
4217 |
break; |
|
4218 |
}
|
|
4219 |
case 8 : { |
|
4220 |
if (!pData->iInterlace) |
|
4221 |
pData->fInitrowproc = (mng_fptr)init_g8_ni; |
|
4222 |
else
|
|
4223 |
pData->fInitrowproc = (mng_fptr)init_g8_i; |
|
4224 |
||
4225 |
break; |
|
4226 |
}
|
|
4227 |
case 16 : { |
|
4228 |
if (!pData->iInterlace) |
|
4229 |
pData->fInitrowproc = (mng_fptr)init_g16_ni; |
|
4230 |
else
|
|
4231 |
pData->fInitrowproc = (mng_fptr)init_g16_i; |
|
4232 |
||
4233 |
break; |
|
4234 |
}
|
|
4235 |
}
|
|
4236 |
||
4237 |
break; |
|
4238 |
}
|
|
4239 |
case 2 : { /* rgb */ |
|
4240 |
switch (pData->iBitdepth) |
|
4241 |
{
|
|
4242 |
case 8 : { |
|
4243 |
if (!pData->iInterlace) |
|
4244 |
pData->fInitrowproc = (mng_fptr)init_rgb8_ni; |
|
4245 |
else
|
|
4246 |
pData->fInitrowproc = (mng_fptr)init_rgb8_i; |
|
4247 |
||
4248 |
break; |
|
4249 |
}
|
|
4250 |
case 16 : { |
|
4251 |
if (!pData->iInterlace) |
|
4252 |
pData->fInitrowproc = (mng_fptr)init_rgb16_ni; |
|
4253 |
else
|
|
4254 |
pData->fInitrowproc = (mng_fptr)init_rgb16_i; |
|
4255 |
||
4256 |
break; |
|
4257 |
}
|
|
4258 |
}
|
|
4259 |
||
4260 |
break; |
|
4261 |
}
|
|
4262 |
case 3 : { /* indexed */ |
|
4263 |
switch (pData->iBitdepth) |
|
4264 |
{
|
|
4265 |
case 1 : { |
|
4266 |
if (!pData->iInterlace) |
|
4267 |
pData->fInitrowproc = (mng_fptr)init_idx1_ni; |
|
4268 |
else
|
|
4269 |
pData->fInitrowproc = (mng_fptr)init_idx1_i; |
|
4270 |
||
4271 |
break; |
|
4272 |
}
|
|
4273 |
case 2 : { |
|
4274 |
if (!pData->iInterlace) |
|
4275 |
pData->fInitrowproc = (mng_fptr)init_idx2_ni; |
|
4276 |
else
|
|
4277 |
pData->fInitrowproc = (mng_fptr)init_idx2_i; |
|
4278 |
||
4279 |
break; |
|
4280 |
}
|
|
4281 |
case 4 : { |
|
4282 |
if (!pData->iInterlace) |
|
4283 |
pData->fInitrowproc = (mng_fptr)init_idx4_ni; |
|
4284 |
else
|
|
4285 |
pData->fInitrowproc = (mng_fptr)init_idx4_i; |
|
4286 |
||
4287 |
break; |
|
4288 |
}
|
|
4289 |
case 8 : { |
|
4290 |
if (!pData->iInterlace) |
|
4291 |
pData->fInitrowproc = (mng_fptr)init_idx8_ni; |
|
4292 |
else
|
|
4293 |
pData->fInitrowproc = (mng_fptr)init_idx8_i; |
|
4294 |
||
4295 |
break; |
|
4296 |
}
|
|
4297 |
}
|
|
4298 |
||
4299 |
break; |
|
4300 |
}
|
|
4301 |
case 4 : { /* gray+alpha */ |
|
4302 |
switch (pData->iBitdepth) |
|
4303 |
{
|
|
4304 |
case 8 : { |
|
4305 |
if (!pData->iInterlace) |
|
4306 |
pData->fInitrowproc = (mng_fptr)init_ga8_ni; |
|
4307 |
else
|
|
4308 |
pData->fInitrowproc = (mng_fptr)init_ga8_i; |
|
4309 |
||
4310 |
break; |
|
4311 |
}
|
|
4312 |
case 16 : { |
|
4313 |
if (!pData->iInterlace) |
|
4314 |
pData->fInitrowproc = (mng_fptr)init_ga16_ni; |
|
4315 |
else
|
|
4316 |
pData->fInitrowproc = (mng_fptr)init_ga16_i; |
|
4317 |
||
4318 |
break; |
|
4319 |
}
|
|
4320 |
}
|
|
4321 |
||
4322 |
break; |
|
4323 |
}
|
|
4324 |
case 6 : { /* rgb+alpha */ |
|
4325 |
switch (pData->iBitdepth) |
|
4326 |
{
|
|
4327 |
case 8 : { |
|
4328 |
if (!pData->iInterlace) |
|
4329 |
pData->fInitrowproc = (mng_fptr)init_rgba8_ni; |
|
4330 |
else
|
|
4331 |
pData->fInitrowproc = (mng_fptr)init_rgba8_i; |
|
4332 |
||
4333 |
break; |
|
4334 |
}
|
|
4335 |
case 16 : { |
|
4336 |
if (!pData->iInterlace) |
|
4337 |
pData->fInitrowproc = (mng_fptr)init_rgba16_ni; |
|
4338 |
else
|
|
4339 |
pData->fInitrowproc = (mng_fptr)init_rgba16_i; |
|
4340 |
||
4341 |
break; |
|
4342 |
}
|
|
4343 |
}
|
|
4344 |
||
4345 |
break; |
|
4346 |
}
|
|
4347 |
}
|
|
4348 |
}
|
|
4349 |
else
|
|
4350 |
MNG_ERROR (pData, MNG_OBJNOTCONCRETE) |
|
4351 |
||
4352 |
}
|
|
4353 |
else
|
|
4354 |
MNG_ERROR (pData, MNG_OBJECTUNKNOWN) |
|
4355 |
||
4356 |
#ifdef MNG_SUPPORT_TRACE
|
|
4357 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_DHDR, MNG_LC_END) |
|
4358 |
#endif
|
|
4359 |
||
4360 |
return MNG_NOERROR; |
|
4361 |
}
|
|
4362 |
||
4363 |
/* ************************************************************************** */
|
|
4364 |
||
4365 |
mng_retcode process_display_prom (mng_datap pData, |
|
4366 |
mng_uint8 iBitdepth, |
|
4367 |
mng_uint8 iColortype, |
|
4368 |
mng_uint8 iFilltype) |
|
4369 |
{
|
|
4370 |
#ifdef MNG_SUPPORT_TRACE
|
|
4371 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PROM, MNG_LC_START) |
|
4372 |
#endif
|
|
4373 |
||
4374 |
||
4375 |
/* TODO: everything */
|
|
4376 |
||
4377 |
||
4378 |
#ifdef MNG_SUPPORT_TRACE
|
|
4379 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PROM, MNG_LC_END) |
|
4380 |
#endif
|
|
4381 |
||
4382 |
return MNG_NOERROR; |
|
4383 |
}
|
|
4384 |
||
4385 |
/* ************************************************************************** */
|
|
4386 |
||
4387 |
mng_retcode process_display_ipng (mng_datap pData) |
|
4388 |
{
|
|
4389 |
#ifdef MNG_SUPPORT_TRACE
|
|
4390 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IPNG, MNG_LC_START) |
|
4391 |
#endif
|
|
4392 |
/* indicate it for what it is now */
|
|
4393 |
pData->iDeltaImagetype = MNG_IMAGETYPE_PNG; |
|
4394 |
||
4395 |
#ifdef MNG_SUPPORT_TRACE
|
|
4396 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IPNG, MNG_LC_END) |
|
4397 |
#endif
|
|
4398 |
||
4399 |
return MNG_NOERROR; |
|
4400 |
}
|
|
4401 |
||
4402 |
/* ************************************************************************** */
|
|
4403 |
||
4404 |
mng_retcode process_display_ijng (mng_datap pData) |
|
4405 |
{
|
|
4406 |
#ifdef MNG_SUPPORT_TRACE
|
|
4407 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IJNG, MNG_LC_START) |
|
4408 |
#endif
|
|
4409 |
/* indicate it for what it is now */
|
|
4410 |
pData->iDeltaImagetype = MNG_IMAGETYPE_JNG; |
|
4411 |
||
4412 |
#ifdef MNG_SUPPORT_TRACE
|
|
4413 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_IJNG, MNG_LC_END) |
|
4414 |
#endif
|
|
4415 |
||
4416 |
return MNG_NOERROR; |
|
4417 |
}
|
|
4418 |
||
4419 |
/* ************************************************************************** */
|
|
4420 |
||
4421 |
mng_retcode process_display_pplt (mng_datap pData, |
|
4422 |
mng_uint8 iType, |
|
4423 |
mng_uint32 iCount, |
|
4424 |
mng_palette8ep paIndexentries, |
|
4425 |
mng_uint8p paAlphaentries, |
|
4426 |
mng_uint8p paUsedentries) |
|
4427 |
{
|
|
4428 |
mng_uint32 iX; |
|
4429 |
mng_imagep pImage = (mng_imagep)pData->pObjzero; |
|
4430 |
mng_imagedatap pBuf = pImage->pImgbuf; |
|
4431 |
||
4432 |
#ifdef MNG_SUPPORT_TRACE
|
|
4433 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PPLT, MNG_LC_START) |
|
4434 |
#endif
|
|
4435 |
||
4436 |
switch (iType) |
|
4437 |
{
|
|
4438 |
case MNG_DELTATYPE_REPLACERGB : |
|
4439 |
{
|
|
4440 |
for (iX = 0; iX < iCount; iX++) |
|
4441 |
{
|
|
4442 |
if (paUsedentries [iX]) |
|
4443 |
{
|
|
4444 |
pBuf->aPLTEentries [iX].iRed = paIndexentries [iX].iRed; |
|
4445 |
pBuf->aPLTEentries [iX].iGreen = paIndexentries [iX].iGreen; |
|
4446 |
pBuf->aPLTEentries [iX].iBlue = paIndexentries [iX].iBlue; |
|
4447 |
}
|
|
4448 |
}
|
|
4449 |
||
4450 |
break; |
|
4451 |
}
|
|
4452 |
case MNG_DELTATYPE_DELTARGB : |
|
4453 |
{
|
|
4454 |
for (iX = 0; iX < iCount; iX++) |
|
4455 |
{
|
|
4456 |
if (paUsedentries [iX]) |
|
4457 |
{
|
|
4458 |
pBuf->aPLTEentries [iX].iRed = |
|
4459 |
(mng_uint8)(pBuf->aPLTEentries [iX].iRed + |
|
4460 |
paIndexentries [iX].iRed ); |
|
4461 |
pBuf->aPLTEentries [iX].iGreen = |
|
4462 |
(mng_uint8)(pBuf->aPLTEentries [iX].iGreen + |
|
4463 |
paIndexentries [iX].iGreen); |
|
4464 |
pBuf->aPLTEentries [iX].iBlue = |
|
4465 |
(mng_uint8)(pBuf->aPLTEentries [iX].iBlue + |
|
4466 |
paIndexentries [iX].iBlue ); |
|
4467 |
}
|
|
4468 |
}
|
|
4469 |
||
4470 |
break; |
|
4471 |
}
|
|
4472 |
case MNG_DELTATYPE_REPLACEALPHA : |
|
4473 |
{
|
|
4474 |
for (iX = 0; iX < iCount; iX++) |
|
4475 |
{
|
|
4476 |
if (paUsedentries [iX]) |
|
4477 |
pBuf->aTRNSentries [iX] = paAlphaentries [iX]; |
|
4478 |
}
|
|
4479 |
||
4480 |
break; |
|
4481 |
}
|
|
4482 |
case MNG_DELTATYPE_DELTAALPHA : |
|
4483 |
{
|
|
4484 |
for (iX = 0; iX < iCount; iX++) |
|
4485 |
{
|
|
4486 |
if (paUsedentries [iX]) |
|
4487 |
pBuf->aTRNSentries [iX] = |
|
4488 |
(mng_uint8)(pBuf->aTRNSentries [iX] + |
|
4489 |
paAlphaentries [iX]); |
|
4490 |
}
|
|
4491 |
||
4492 |
break; |
|
4493 |
}
|
|
4494 |
case MNG_DELTATYPE_REPLACERGBA : |
|
4495 |
{
|
|
4496 |
for (iX = 0; iX < iCount; iX++) |
|
4497 |
{
|
|
4498 |
if (paUsedentries [iX]) |
|
4499 |
{
|
|
4500 |
pBuf->aPLTEentries [iX].iRed = paIndexentries [iX].iRed; |
|
4501 |
pBuf->aPLTEentries [iX].iGreen = paIndexentries [iX].iGreen; |
|
4502 |
pBuf->aPLTEentries [iX].iBlue = paIndexentries [iX].iBlue; |
|
4503 |
pBuf->aTRNSentries [iX] = paAlphaentries [iX]; |
|
4504 |
}
|
|
4505 |
}
|
|
4506 |
||
4507 |
break; |
|
4508 |
}
|
|
4509 |
case MNG_DELTATYPE_DELTARGBA : |
|
4510 |
{
|
|
4511 |
for (iX = 0; iX < iCount; iX++) |
|
4512 |
{
|
|
4513 |
if (paUsedentries [iX]) |
|
4514 |
{
|
|
4515 |
pBuf->aPLTEentries [iX].iRed = |
|
4516 |
(mng_uint8)(pBuf->aPLTEentries [iX].iRed + |
|
4517 |
paIndexentries [iX].iRed ); |
|
4518 |
pBuf->aPLTEentries [iX].iGreen = |
|
4519 |
(mng_uint8)(pBuf->aPLTEentries [iX].iGreen + |
|
4520 |
paIndexentries [iX].iGreen); |
|
4521 |
pBuf->aPLTEentries [iX].iBlue = |
|
4522 |
(mng_uint8)(pBuf->aPLTEentries [iX].iBlue + |
|
4523 |
paIndexentries [iX].iBlue ); |
|
4524 |
pBuf->aTRNSentries [iX] = |
|
4525 |
(mng_uint8)(pBuf->aTRNSentries [iX] + |
|
4526 |
paAlphaentries [iX]); |
|
4527 |
}
|
|
4528 |
}
|
|
4529 |
||
4530 |
break; |
|
4531 |
}
|
|
4532 |
}
|
|
4533 |
||
4534 |
if ((iType != MNG_DELTATYPE_REPLACERGB) && (iType != MNG_DELTATYPE_DELTARGB)) |
|
4535 |
{
|
|
4536 |
if (pBuf->bHasTRNS) |
|
4537 |
{
|
|
4538 |
if (iCount > pBuf->iTRNScount) |
|
4539 |
pBuf->iTRNScount = iCount; |
|
4540 |
}
|
|
4541 |
else
|
|
4542 |
{
|
|
4543 |
pBuf->iTRNScount = iCount; |
|
4544 |
pBuf->bHasTRNS = MNG_TRUE; |
|
4545 |
}
|
|
4546 |
}
|
|
4547 |
||
4548 |
if ((iType != MNG_DELTATYPE_REPLACEALPHA) && (iType != MNG_DELTATYPE_DELTAALPHA)) |
|
4549 |
{
|
|
4550 |
if (iCount > pBuf->iPLTEcount) |
|
4551 |
pBuf->iPLTEcount = iCount; |
|
4552 |
}
|
|
4553 |
||
4554 |
#ifdef MNG_SUPPORT_TRACE
|
|
4555 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_PPLT, MNG_LC_END) |
|
4556 |
#endif
|
|
4557 |
||
4558 |
return MNG_NOERROR; |
|
4559 |
}
|
|
4560 |
||
4561 |
/* ************************************************************************** */
|
|
4562 |
||
4563 |
mng_retcode process_display_magn (mng_datap pData, |
|
4564 |
mng_uint16 iFirstid, |
|
4565 |
mng_uint16 iLastid, |
|
4566 |
mng_uint16 iMethodX, |
|
4567 |
mng_uint16 iMX, |
|
4568 |
mng_uint16 iMY, |
|
4569 |
mng_uint16 iML, |
|
4570 |
mng_uint16 iMR, |
|
4571 |
mng_uint16 iMT, |
|
4572 |
mng_uint16 iMB, |
|
4573 |
mng_uint16 iMethodY) |
|
4574 |
{
|
|
4575 |
mng_uint16 iX; |
|
4576 |
mng_imagep pImage; |
|
4577 |
||
4578 |
#ifdef MNG_SUPPORT_TRACE
|
|
4579 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MAGN, MNG_LC_START) |
|
4580 |
#endif
|
|
4581 |
/* iterate the object-ids */
|
|
4582 |
for (iX = iFirstid; iX <= iLastid; iX++) |
|
4583 |
{
|
|
4584 |
if (iX == 0) /* process object 0 ? */ |
|
4585 |
{
|
|
4586 |
pImage = (mng_imagep)pData->pObjzero; |
|
4587 |
||
4588 |
pImage->iMAGN_MethodX = iMethodX; |
|
4589 |
pImage->iMAGN_MethodY = iMethodY; |
|
4590 |
pImage->iMAGN_MX = iMX; |
|
4591 |
pImage->iMAGN_MY = iMY; |
|
4592 |
pImage->iMAGN_ML = iML; |
|
4593 |
pImage->iMAGN_MR = iMR; |
|
4594 |
pImage->iMAGN_MT = iMT; |
|
4595 |
pImage->iMAGN_MB = iMB; |
|
4596 |
}
|
|
4597 |
else
|
|
4598 |
{
|
|
4599 |
pImage = find_imageobject (pData, iX); |
|
4600 |
/* object exists & is not frozen ? */
|
|
4601 |
if ((pImage) && (!pImage->bFrozen)) |
|
4602 |
{ /* previous magnification to be done ? */ |
|
4603 |
if ((pImage->iMAGN_MethodX) || (pImage->iMAGN_MethodY)) |
|
4604 |
{
|
|
4605 |
mng_retcode iRetcode = magnify_imageobject (pData, pImage); |
|
4606 |
||
4607 |
if (iRetcode) /* on error bail out */ |
|
4608 |
return iRetcode; |
|
4609 |
}
|
|
4610 |
||
4611 |
pImage->iMAGN_MethodX = iMethodX; |
|
4612 |
pImage->iMAGN_MethodY = iMethodY; |
|
4613 |
pImage->iMAGN_MX = iMX; |
|
4614 |
pImage->iMAGN_MY = iMY; |
|
4615 |
pImage->iMAGN_ML = iML; |
|
4616 |
pImage->iMAGN_MR = iMR; |
|
4617 |
pImage->iMAGN_MT = iMT; |
|
4618 |
pImage->iMAGN_MB = iMB; |
|
4619 |
}
|
|
4620 |
}
|
|
4621 |
}
|
|
4622 |
||
4623 |
iX = iFirstid; |
|
4624 |
/* iterate again for showing */
|
|
4625 |
while ((iX <= iLastid) && (!pData->bTimerset)) |
|
4626 |
{
|
|
4627 |
if (iX) /* only real objects ! */ |
|
4628 |
{
|
|
4629 |
pImage = find_imageobject (pData, iX); |
|
4630 |
/* object exists & is not frozen &
|
|
4631 |
is visible & is viewable ? */
|
|
4632 |
if ((pImage) && (!pImage->bFrozen) && |
|
4633 |
(pImage->bVisible) && (pImage->bViewable)) |
|
4634 |
display_image (pData, pImage, MNG_FALSE); |
|
4635 |
}
|
|
4636 |
||
4637 |
iX++; |
|
4638 |
}
|
|
4639 |
||
4640 |
if (pData->bTimerset) /* broken ? */ |
|
4641 |
{
|
|
4642 |
pData->iMAGNfromid = iFirstid; |
|
4643 |
pData->iMAGNtoid = iLastid; |
|
4644 |
pData->iBreakpoint = 9; |
|
4645 |
}
|
|
4646 |
||
4647 |
#ifdef MNG_SUPPORT_TRACE
|
|
4648 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MAGN, MNG_LC_END) |
|
4649 |
#endif
|
|
4650 |
||
4651 |
return MNG_NOERROR; |
|
4652 |
}
|
|
4653 |
||
4654 |
/* ************************************************************************** */
|
|
4655 |
||
4656 |
mng_retcode process_display_magn2 (mng_datap pData) |
|
4657 |
{
|
|
4658 |
mng_uint16 iX; |
|
4659 |
mng_imagep pImage; |
|
4660 |
||
4661 |
#ifdef MNG_SUPPORT_TRACE
|
|
4662 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MAGN, MNG_LC_START) |
|
4663 |
#endif
|
|
4664 |
||
4665 |
iX = pData->iMAGNfromid; |
|
4666 |
/* iterate again for showing */
|
|
4667 |
while ((iX <= pData->iMAGNtoid) && (!pData->bTimerset)) |
|
4668 |
{
|
|
4669 |
if (iX) /* only real objects ! */ |
|
4670 |
{
|
|
4671 |
pImage = find_imageobject (pData, iX); |
|
4672 |
/* object exists & is not frozen &
|
|
4673 |
is visible & is viewable ? */
|
|
4674 |
if ((pImage) && (!pImage->bFrozen) && |
|
4675 |
(pImage->bVisible) && (pImage->bViewable)) |
|
4676 |
display_image (pData, pImage, MNG_FALSE); |
|
4677 |
}
|
|
4678 |
||
4679 |
iX++; |
|
4680 |
}
|
|
4681 |
||
4682 |
if (pData->bTimerset) /* broken ? */ |
|
4683 |
pData->iBreakpoint = 9; |
|
4684 |
||
4685 |
#ifdef MNG_SUPPORT_TRACE
|
|
4686 |
MNG_TRACE (pData, MNG_FN_PROCESS_DISPLAY_MAGN, MNG_LC_END) |
|
4687 |
#endif
|
|
4688 |
||
4689 |
return MNG_NOERROR; |
|
4690 |
}
|
|
4691 |
||
4692 |
/* ************************************************************************** */
|
|
4693 |
||
4694 |
#endif /* MNG_INCLUDE_DISPLAY_PROCS */ |
|
4695 |
||
4696 |
/* ************************************************************************** */
|
|
4697 |
/* * end of file * */
|
|
4698 |
/* ************************************************************************** */
|
|
4699 |