diff options
Diffstat (limited to 'src/3rdparty/libmng/libmng_data.h')
| -rw-r--r-- | src/3rdparty/libmng/libmng_data.h | 1032 |
1 files changed, 0 insertions, 1032 deletions
diff --git a/src/3rdparty/libmng/libmng_data.h b/src/3rdparty/libmng/libmng_data.h deleted file mode 100644 index 6a00763..0000000 --- a/src/3rdparty/libmng/libmng_data.h +++ /dev/null @@ -1,1032 +0,0 @@ -/* ************************************************************************** */ -/* * For conditions of distribution and use, * */ -/* * see copyright notice in libmng.h * */ -/* ************************************************************************** */ -/* * * */ -/* * project : libmng * */ -/* * file : libmng_data.h copyright (c) 2000-2007 G.Juyn * */ -/* * version : 1.0.10 * */ -/* * * */ -/* * purpose : main data structure definition * */ -/* * * */ -/* * author : G.Juyn * */ -/* * * */ -/* * comment : Definition of the library main data structure * */ -/* * * */ -/* * changes : 0.5.1 - 05/04/2000 - G.Juyn * */ -/* * - added CRC table to main structure (for thread-safety) * */ -/* * 0.5.1 - 05/06/2000 - G.Juyn * */ -/* * - added iPLTEentries for checking hIST-length * */ -/* * 0.5.1 - 05/08/2000 - G.Juyn * */ -/* * - changed palette definition to exported palette-type * */ -/* * - removed frozen indicator * */ -/* * - added create/write indicators * */ -/* * - changed strict-ANSI stuff * */ -/* * 0.5.1 - 05/13/2000 - G.Juyn * */ -/* * - added eMNGma hack (will be removed in 1.0.0 !!!) * */ -/* * - added TERM animation object pointer (easier reference) * */ -/* * - added saved-data structure for SAVE/SEEK processing * */ -/* * * */ -/* * 0.5.2 - 05/18/2000 - G.Juyn * */ -/* * - added fields for JNG support (IJG-based) * */ -/* * 0.5.2 - 05/24/2000 - G.Juyn * */ -/* * - changed global tRNS definition * */ -/* * 0.5.2 - 05/30/2000 - G.Juyn * */ -/* * - added delta-image fields * */ -/* * 0.5.2 - 06/01/2000 - G.Juyn * */ -/* * - added internal delta-image processing callbacks * */ -/* * 0.5.2 - 06/02/2000 - G.Juyn * */ -/* * - changed SWAP_ENDIAN to BIGENDIAN_SUPPORTED * */ -/* * (contributed by Tim Rowley) * */ -/* * - added getalphaline callback for RGB8_A8 canvasstyle * */ -/* * 0.5.2 - 06/06/2000 - G.Juyn * */ -/* * - added parameter for delayed buffer-processing * */ -/* * * */ -/* * 0.5.3 - 06/16/2000 - G.Juyn * */ -/* * - added update-region parms for refresh calback * */ -/* * - added Needrefresh parameter * */ -/* * 0.5.3 - 06/17/2000 - G.Juyn * */ -/* * - added Deltaimmediate parm for faster delta-processing * */ -/* * 0.5.3 - 06/21/2000 - G.Juyn * */ -/* * - added Speed parameter to facilitate testing * */ -/* * - added Imagelevel parameter for processtext callback * */ -/* * 0.5.3 - 06/26/2000 - G.Juyn * */ -/* * - changed userdata variable to mng_ptr * */ -/* * * */ -/* * 0.9.1 - 07/07/2000 - G.Juyn * */ -/* * - added variables for go_xxxx processing * */ -/* * 0.9.1 - 07/08/2000 - G.Juyn * */ -/* * - added variables for improved timing support * */ -/* * 0.9.1 - 07/15/2000 - G.Juyn * */ -/* * - added callbacks for SAVE/SEEK processing * */ -/* * - added variable for NEEDSECTIONWAIT breaks * */ -/* * - added variable for freeze & reset processing * */ -/* * 0.9.1 - 07/17/2000 - G.Juyn * */ -/* * - fixed suspension-buffering for 32K+ chunks * */ -/* * * */ -/* * 0.9.2 - 07/29/2000 - G.Juyn * */ -/* * - removed Nextbackxxx fields (no longer used) * */ -/* * 0.9.2 - 07/31/2000 - G.Juyn * */ -/* * - fixed wrapping of suspension parameters * */ -/* * 0.9.2 - 08/04/2000 - G.Juyn * */ -/* * - B111096 - fixed large-buffer read-suspension * */ -/* * 0.9.2 - 08/05/2000 - G.Juyn * */ -/* * - changed file-prefixes * */ -/* * * */ -/* * 0.9.3 - 08/26/2000 - G.Juyn * */ -/* * - added MAGN chunk * */ -/* * 0.9.3 - 09/07/2000 - G.Juyn * */ -/* * - added support for new filter_types * */ -/* * 0.9.3 - 09/10/2000 - G.Juyn * */ -/* * - fixed DEFI behavior * */ -/* * 0.9.3 - 10/10/2000 - G.Juyn * */ -/* * - added support for alpha-depth prediction * */ -/* * 0.9.3 - 10/11/2000 - G.Juyn * */ -/* * - added support for nEED * */ -/* * 0.9.3 - 10/16/2000 - G.Juyn * */ -/* * - added optional support for bKGD for PNG images * */ -/* * - added support for JDAA * */ -/* * 0.9.3 - 10/17/2000 - G.Juyn * */ -/* * - added callback to process non-critical unknown chunks * */ -/* * - fixed support for bKGD * */ -/* * 0.9.3 - 10/19/2000 - G.Juyn * */ -/* * - implemented delayed delta-processing * */ -/* * 0.9.4 - 12/16/2000 - G.Juyn * */ -/* * - fixed mixup of data- & function-pointers (thanks Dimitri)* */ -/* * * */ -/* * 1.0.1 - 02/08/2001 - G.Juyn * */ -/* * - added MEND processing callback * */ -/* * 1.0.1 - 02/13/2001 - G.Juyn * */ -/* * - fixed first FRAM_MODE=4 timing problem * */ -/* * * */ -/* * 1.0.2 - 06/23/2001 - G.Juyn * */ -/* * - added optimization option for MNG-video playback * */ -/* * - added processterm callback * */ -/* * 1.0.2 - 06/25/2001 - G.Juyn * */ -/* * - added option to turn off progressive refresh * */ -/* * * */ -/* * 1.0.5 - 07/08/2002 - G.Juyn * */ -/* * - B578572 - removed eMNGma hack (thanks Dimitri!) * */ -/* * 1.0.5 - 07/16/2002 - G.Juyn * */ -/* * - B581625 - large chunks fail with suspension reads * */ -/* * 1.0.5 - 08/15/2002 - G.Juyn * */ -/* * - completed PROM support * */ -/* * 1.0.5 - 09/15/2002 - G.Juyn * */ -/* * - fixed LOOP iteration=0 special case * */ -/* * 1.0.5 - 09/20/2002 - G.Juyn * */ -/* * - finished support for BACK image & tiling * */ -/* * 1.0.5 - 10/07/2002 - G.Juyn * */ -/* * - added another fix for misplaced TERM chunk * */ -/* * - completed support for condition=2 in TERM chunk * */ -/* * 1.0.5 - 10/20/2002 - G.Juyn * */ -/* * - fixed processing for multiple objects in MAGN * */ -/* * - fixed display of visible target of PAST operation * */ -/* * 1.0.5 - 11/07/2002 - G.Juyn * */ -/* * - added support to get totals after mng_read() * */ -/* * 1.0.5 - 24/02/2003 - G.Juyn * */ -/* * - B683152 - libjpeg suspension not always honored correctly* */ -/* * * */ -/* * 1.0.6 - 04/11/2003 - G.Juyn * */ -/* * - B719420 - fixed several MNG_APP_CMS problems * */ -/* * 1.0.6 - 07/05/2003 - G. R-P * */ -/* * - optionally use zlib's crc32() function * */ -/* * 1.0.6 - 07/29/2003 - G.R-P * */ -/* * - added SKIPCHUNK conditionals around PAST chunk support * */ -/* * 1.0.6 - 08/17/2003 - G.R-P * */ -/* * - added iPNGdepth member to pData structure * */ -/* * * */ -/* * 1.0.7 - 03/10/2004 - G.R-P * */ -/* * - added conditionals around openstream/closestream * */ -/* * 1.0.7 - 03/24/2004 - G.R-P * */ -/* * - added more SKIPCHUNK conditionals * */ -/* * * */ -/* * 1.0.8 - 04/02/2004 - G.Juyn * */ -/* * - added CRC existence & checking flags * */ -/* * 1.0.8 - 04/10/2004 - G.Juyn * */ -/* * - added data-push mechanisms for specialized decoders * */ -/* * * */ -/* * 1.0.9 - 12/11/2004 - G.Juyn * */ -/* * - added conditional MNG_OPTIMIZE_DISPLAYCALLS * */ -/* * * */ -/* * 1.0.10 - 04/08/2007 - G.Juyn * */ -/* * - added support for mPNG proposal * */ -/* * 1.0.10 - 04/12/2007 - G.Juyn * */ -/* * - added support for ANG proposal * */ -/* * * */ -/* ************************************************************************** */ - -#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI) -#pragma option -A /* force ANSI-C */ -#endif - -#ifndef _libmng_data_h_ -#define _libmng_data_h_ - -/* ************************************************************************** */ - -#define MNG_MAGIC 0x52530a0aL - -/* ************************************************************************** */ -/* * * */ -/* * Internal structures * */ -/* * * */ -/* ************************************************************************** */ - -typedef mng_palette8 mng_rgbpaltab; - -/* ************************************************************************** */ -/* * * */ -/* * The saved_data structure * */ -/* * * */ -/* * This contains the saved data after a SAVE chunk has been processed. * */ -/* * The data is saved from the main data structure during SAVE processing, * */ -/* * and restored to the main data structure during SEEK processing. * */ -/* * * */ -/* ************************************************************************** */ - -typedef struct mng_savedata_struct { - -#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE) - mng_bool bHasglobalPLTE; /* global PLTE chunk processed */ - mng_bool bHasglobalTRNS; /* global tRNS chunk processed */ - mng_bool bHasglobalGAMA; /* global gAMA chunk processed */ - mng_bool bHasglobalCHRM; /* global cHRM chunk processed */ - mng_bool bHasglobalSRGB; /* global sRGB chunk processed */ - mng_bool bHasglobalICCP; /* global iCCP chunk processed */ - mng_bool bHasglobalBKGD; /* global bKGD chunk processed */ -#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */ - -#ifdef MNG_SUPPORT_DISPLAY - mng_uint16 iBACKred; /* BACK fields */ - mng_uint16 iBACKgreen; - mng_uint16 iBACKblue; - mng_uint8 iBACKmandatory; - mng_uint16 iBACKimageid; - mng_uint8 iBACKtile; - - mng_uint8 iFRAMmode; /* FRAM fields (global) */ - mng_uint32 iFRAMdelay; - mng_uint32 iFRAMtimeout; - mng_bool bFRAMclipping; - mng_int32 iFRAMclipl; - mng_int32 iFRAMclipr; - mng_int32 iFRAMclipt; - mng_int32 iFRAMclipb; - - mng_uint32 iGlobalPLTEcount; /* global PLTE fields */ - mng_rgbpaltab aGlobalPLTEentries; - - mng_uint32 iGlobalTRNSrawlen; /* global tRNS fields */ - mng_uint8arr aGlobalTRNSrawdata; - - mng_uint32 iGlobalGamma; /* global gAMA fields */ - -#ifndef MNG_SKIPCHUNK_cHRM - mng_uint32 iGlobalWhitepointx; /* global cHRM fields */ - mng_uint32 iGlobalWhitepointy; - mng_uint32 iGlobalPrimaryredx; - mng_uint32 iGlobalPrimaryredy; - mng_uint32 iGlobalPrimarygreenx; - mng_uint32 iGlobalPrimarygreeny; - mng_uint32 iGlobalPrimarybluex; - mng_uint32 iGlobalPrimarybluey; -#endif - - mng_uint8 iGlobalRendintent; /* global sRGB fields */ - - mng_uint32 iGlobalProfilesize; /* global iCCP fields */ - mng_ptr pGlobalProfile; - - mng_uint16 iGlobalBKGDred; /* global bKGD fields */ - mng_uint16 iGlobalBKGDgreen; - mng_uint16 iGlobalBKGDblue; -#endif /* MNG_SUPPORT_DISPLAY */ - - } mng_savedata; - -typedef mng_savedata * mng_savedatap; - -/* ************************************************************************** */ -/* * * */ -/* * Internal buffer structure for data push mechanisms * */ -/* * * */ -/* ************************************************************************** */ - -typedef struct { - mng_ptr pNext; /* for linked list */ - mng_ptr pData; /* used for chunks & data */ - mng_uint32 iLength; - mng_bool bOwned; - mng_uint8p pDatanext; /* only used for data */ - mng_uint32 iRemaining; - } mng_pushdata; -typedef mng_pushdata * mng_pushdatap; - -/* ************************************************************************** */ -/* * * */ -/* * The main libmng data structure * */ -/* * * */ -/* * The handle used in all functions points to this structure which * */ -/* * contains all volatile data necessary to process the network graphic. * */ -/* * * */ -/* ************************************************************************** */ - -typedef struct mng_data_struct { - - mng_uint32 iMagic; /* magic number to validate - a given handle */ - mng_ptr pUserdata; /* application workdata */ - - mng_imgtype eSigtype; /* image information */ - mng_imgtype eImagetype; /* initially zeroed */ - mng_uint32 iWidth; /* filled after header is processed */ - mng_uint32 iHeight; - mng_uint32 iTicks; /* these only after MHDR */ - mng_uint32 iLayercount; - mng_uint32 iFramecount; - mng_uint32 iPlaytime; - mng_uint32 iSimplicity; - mng_uint8 iAlphadepth; /* indicates expected alpha-depth */ - - mng_uint32 iImagelevel; /* level of image inside a stream */ - - mng_uint32 iCanvasstyle; /* layout of the drawing-canvas */ - mng_uint32 iBkgdstyle; /* layout of the background-canvas */ - - mng_int8 iMagnify; /* magnification factor (not used yet) */ - mng_uint32 iOffsetx; /* x-offset for extremely large image */ - mng_uint32 iOffsety; /* y-offset for extremely large image */ - mng_uint32 iCanvaswidth; /* real canvas size */ - mng_uint32 iCanvasheight; /* must be set by processheader callback */ - - mng_uint16 iBGred; /* default background color */ - mng_uint16 iBGgreen; /* initially "black" */ - mng_uint16 iBGblue; - mng_bool bUseBKGD; /* preferred use of bKGD for PNG */ - - mng_bool bIssRGB; /* indicates sRGB system */ - -#ifdef MNG_FULL_CMS /* little CMS variables */ - mng_cmsprof hProf1; /* image input profile */ - mng_cmsprof hProf2; /* default output profile */ - mng_cmsprof hProf3; /* default sRGB profile */ - mng_cmstrans hTrans; /* current transformation handle */ -#endif - - mng_float dViewgamma; /* gamma calculation variables */ - mng_float dDisplaygamma; /* initially set for sRGB conditions */ - mng_float dDfltimggamma; - - mng_bool bStorechunks; /* switch for storing chunkdata */ - mng_bool bSectionbreaks; /* indicate NEEDSECTIONWAIT breaks */ - mng_bool bCacheplayback; /* switch to cache playback info */ - mng_bool bDoProgressive; /* progressive refresh for large images */ - mng_uint32 iCrcmode; /* CRC existence & checking flags */ - - mng_speedtype iSpeed; /* speed-modifier for animations */ - - mng_uint32 iMaxwidth; /* maximum canvas size */ - mng_uint32 iMaxheight; /* initially set to 1024 x 1024 */ - - mng_int32 iErrorcode; /* error reporting fields */ - mng_int8 iSeverity; - mng_int32 iErrorx1; - mng_int32 iErrorx2; - mng_pchar zErrortext; - - mng_memalloc fMemalloc; /* callback pointers */ - mng_memfree fMemfree; /* initially nulled */ - mng_releasedata fReleasedata; -#ifndef MNG_NO_OPEN_CLOSE_STREAM - mng_openstream fOpenstream; - mng_closestream fClosestream; -#endif - mng_readdata fReaddata; - mng_writedata fWritedata; - mng_errorproc fErrorproc; - mng_traceproc fTraceproc; - mng_processheader fProcessheader; - mng_processtext fProcesstext; - mng_processsave fProcesssave; - mng_processseek fProcessseek; - mng_processneed fProcessneed; - mng_processmend fProcessmend; - mng_processunknown fProcessunknown; - mng_processterm fProcessterm; - mng_getcanvasline fGetcanvasline; - mng_getbkgdline fGetbkgdline; - mng_getalphaline fGetalphaline; - mng_refresh fRefresh; - mng_gettickcount fGettickcount; - mng_settimer fSettimer; - mng_processgamma fProcessgamma; - mng_processchroma fProcesschroma; - mng_processsrgb fProcesssrgb; - mng_processiccp fProcessiccp; - mng_processarow fProcessarow; - -#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE) -#ifndef MNG_NO_OLD_VERSIONS - mng_bool bPreDraft48; /* flags ancient style draft */ -#endif - - mng_chunkid iChunkname; /* read/write-state variables */ - mng_uint32 iChunkseq; - mng_chunkp pFirstchunk; /* double-linked list of */ - mng_chunkp pLastchunk; /* stored chunk-structures */ - - mng_bool bHasheader; /* first header chunk processed */ - mng_bool bHasMHDR; /* inside a MHDR-MEND sequence */ - mng_bool bHasIHDR; /* inside a IHDR-IEND sequence */ - mng_bool bHasBASI; /* inside a BASI-IEND sequence */ - mng_bool bHasDHDR; /* inside a DHDR-IEND sequence */ -#ifdef MNG_INCLUDE_JNG - mng_bool bHasJHDR; /* inside a JHDR-IEND sequence */ - mng_bool bHasJSEP; /* passed the JSEP separator */ - mng_bool bHasJDAA; /* at least 1 JDAA processed */ - mng_bool bHasJDAT; /* at least 1 JDAT processed */ -#endif - mng_bool bHasPLTE; /* PLTE chunk processed */ - mng_bool bHasTRNS; /* tRNS chunk processed */ - mng_bool bHasGAMA; /* gAMA chunk processed */ - mng_bool bHasCHRM; /* cHRM chunk processed */ - mng_bool bHasSRGB; /* sRGB chunk processed */ - mng_bool bHasICCP; /* iCCP chunk processed */ - mng_bool bHasBKGD; /* bKGD chunk processed */ - mng_bool bHasIDAT; /* at least 1 IDAT processed */ - - mng_bool bHasSAVE; /* SAVE chunk processed */ - mng_bool bHasBACK; /* BACK chunk processed */ - mng_bool bHasFRAM; /* FRAM chunk processed */ - mng_bool bHasTERM; /* TERM chunk processed */ - mng_bool bHasLOOP; /* at least 1 LOOP open */ - - mng_bool bHasglobalPLTE; /* global PLTE chunk processed */ - mng_bool bHasglobalTRNS; /* global tRNS chunk processed */ - mng_bool bHasglobalGAMA; /* global gAMA chunk processed */ - mng_bool bHasglobalCHRM; /* global cHRM chunk processed */ - mng_bool bHasglobalSRGB; /* global sRGB chunk processed */ - mng_bool bHasglobalICCP; /* global iCCP chunk processed */ - mng_bool bHasglobalBKGD; /* global bKGD chunk processed */ - - mng_uint32 iDatawidth; /* IHDR/BASI/DHDR fields */ - mng_uint32 iDataheight; /* valid if inside IHDR-IEND, */ - mng_uint8 iBitdepth; /* BASI-IEND or DHDR-IEND */ - mng_uint8 iColortype; - mng_uint8 iCompression; - mng_uint8 iFilter; - mng_uint8 iInterlace; - - mng_uint32 iPLTEcount; /* PLTE fields */ - -#ifdef MNG_INCLUDE_JNG - mng_uint8 iJHDRcolortype; /* JHDR fields */ - mng_uint8 iJHDRimgbitdepth; /* valid if inside JHDR-IEND */ - mng_uint8 iJHDRimgcompression; - mng_uint8 iJHDRimginterlace; - mng_uint8 iJHDRalphabitdepth; - mng_uint8 iJHDRalphacompression; - mng_uint8 iJHDRalphafilter; - mng_uint8 iJHDRalphainterlace; -#endif - -#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */ - -#ifdef MNG_SUPPORT_READ - mng_bool bReading; /* read processing variables */ - mng_bool bHavesig; - mng_bool bEOF; - mng_uint32 iReadbufsize; - mng_uint8p pReadbuf; - - mng_uint32 iLargebufsize; /* temp for very large chunks */ - mng_uint8p pLargebuf; - - mng_uint32 iSuspendtime; /* tickcount at last suspension */ - mng_bool bSuspended; /* input-reading has been suspended; - we're expecting a call to - mng_read_resume! */ - mng_uint8 iSuspendpoint; /* indicates at which point the flow - was broken to suspend input-reading */ - - mng_bool bSuspensionmode; /* I/O-suspension variables */ - mng_uint32 iSuspendbufsize; - mng_uint8p pSuspendbuf; - mng_uint8p pSuspendbufnext; - mng_uint32 iSuspendbufleft; - mng_uint32 iChunklen; /* chunk length */ - mng_uint8p pReadbufnext; /* 32K+ suspension-processing */ - mng_uint8p pLargebufnext; - - mng_pushdatap pFirstpushchunk; /* variables for push mechanisms */ - mng_pushdatap pLastpushchunk; - mng_pushdatap pFirstpushdata; - mng_pushdatap pLastpushdata; -#endif /* MNG_SUPPORT_READ */ - -#ifdef MNG_SUPPORT_WRITE - mng_bool bCreating; /* create/write processing variables */ - mng_bool bWriting; - mng_chunkid iFirstchunkadded; - mng_uint32 iWritebufsize; - mng_uint8p pWritebuf; -#endif - -#ifdef MNG_SUPPORT_DISPLAY - mng_bool bDisplaying; /* display-state variables */ - mng_bool bFramedone; - mng_uint32 iFrameseq; - mng_uint32 iLayerseq; - mng_uint32 iFrametime; /* millisecs */ - - mng_uint32 iTotalframes; /* end-totals after mng_read() */ - mng_uint32 iTotallayers; - mng_uint32 iTotalplaytime; /* millisecs */ - - mng_bool bSkipping; /* LOOP iteration=0 */ - -#ifdef MNG_SUPPORT_DYNAMICMNG - mng_bool bDynamic; /* MNG is dynamic (eg. has events) */ - mng_bool bRunningevent; /* currently processing an event */ - mng_bool bStopafterseek; /* stop after next SEEK */ - mng_int32 iEventx; /* X/Y of current event */ - mng_int32 iEventy; - mng_objectp pLastmousemove; /* last event triggered */ -#endif - - mng_uint32 iRequestframe; /* go_xxxx variables */ - mng_uint32 iRequestlayer; - mng_uint32 iRequesttime; - mng_bool bSearching; - - mng_bool bRestorebkgd; /* flags restore required before IDAT/JDAT */ - - mng_uint32 iRuntime; /* millisecs since start */ - mng_uint32 iSynctime; /* tickcount at last framesync */ - mng_uint32 iStarttime; /* tickcount at start */ - mng_uint32 iEndtime; /* tickcount at end */ - mng_bool bRunning; /* animation is active */ - mng_bool bTimerset; /* the timer has been set; - we're expecting a call to - mng_display_resume! */ - mng_uint8 iBreakpoint; /* indicates at which point the - flow was broken to run the timer */ - mng_bool bSectionwait; /* indicates a section break */ - mng_bool bFreezing; /* indicates app requested a freeze */ - mng_bool bResetting; /* indicates app requested a reset */ - mng_bool bNeedrefresh; /* indicates screen-refresh is needed */ - mng_bool bMisplacedTERM; /* indicates TERM is out of place */ - mng_bool bOnlyfirstframe; /* show first frame after TERM and stop */ - mng_uint32 iFramesafterTERM; /* determines frame-count after TERM */ - mng_objectp pCurrentobj; /* current "object" */ - mng_objectp pCurraniobj; /* current animation object - "to be"/"being" processed */ - mng_objectp pTermaniobj; /* TERM animation object */ - mng_uint32 iIterations; /* TERM/MEND iteration count */ - mng_objectp pObjzero; /* "on-the-fly" image (object = 0) */ - mng_objectp pLastclone; /* last clone */ - mng_objectp pStoreobj; /* current store object for row routines */ - mng_objectp pStorebuf; /* current store object-buffer for row routines */ - mng_objectp pRetrieveobj; /* current retrieve object for row routines */ - mng_savedatap pSavedata; /* pointer to saved data (after SAVE) */ - - mng_uint32 iUpdateleft; /* update region for refresh */ - mng_uint32 iUpdateright; - mng_uint32 iUpdatetop; - mng_uint32 iUpdatebottom; - - mng_int8 iPass; /* current interlacing pass; - negative value means no interlace */ - mng_int32 iRow; /* current row counter */ - mng_int32 iRowinc; /* row increment for this pass */ - mng_int32 iCol; /* current starting column */ - mng_int32 iColinc; /* column increment for this pass */ - mng_int32 iRowsamples; /* nr. of samples in current workrow */ - mng_int32 iSamplemul; /* needed to calculate rowsize */ - mng_int32 iSampleofs; /* from rowsamples */ - mng_int32 iSamplediv; - mng_int32 iRowsize; /* size of actual data in work row */ - mng_int32 iRowmax; /* maximum size of data in work row */ - mng_int32 iFilterofs; /* offset to filter-byte in work row */ - mng_int32 iPixelofs; /* offset to pixel-bytes in work row */ - mng_uint32 iLevel0; /* leveling variables */ - mng_uint32 iLevel1; - mng_uint32 iLevel2; - mng_uint32 iLevel3; - mng_uint8p pWorkrow; /* working row of pixel-data */ - mng_uint8p pPrevrow; /* previous row of pixel-data */ - mng_uint8p pRGBArow; /* intermediate row of RGBA8 or RGBA16 data */ - mng_bool bIsRGBA16; /* indicates intermediate row is RGBA16 */ - mng_bool bIsOpaque; /* indicates intermediate row is fully opaque */ - mng_int32 iFilterbpp; /* bpp index for filtering routines */ - - mng_int32 iSourcel; /* variables for showing objects */ - mng_int32 iSourcer; - mng_int32 iSourcet; - mng_int32 iSourceb; - mng_int32 iDestl; - mng_int32 iDestr; - mng_int32 iDestt; - mng_int32 iDestb; - - mng_objectp pFirstimgobj; /* double-linked list of */ - mng_objectp pLastimgobj; /* image-object structures */ - mng_objectp pFirstaniobj; /* double-linked list of */ - mng_objectp pLastaniobj; /* animation-object structures */ -#ifdef MNG_SUPPORT_DYNAMICMNG - mng_objectp pFirstevent; /* double-linked list of */ - mng_objectp pLastevent; /* event-object structures */ -#endif - -#if defined(MNG_GAMMA_ONLY) || defined(MNG_FULL_CMS) || defined(MNG_APP_CMS) - mng_uint8 aGammatab[256]; /* precomputed gamma lookup table */ - mng_float dLastgamma; /* last gamma used to compute table */ -#endif - - mng_fptr fDisplayrow; /* internal callback to display an - uncompressed/unfiltered/ - color-corrected row */ - mng_fptr fRestbkgdrow; /* internal callback for restore- - background processing of a row */ - mng_fptr fCorrectrow; /* internal callback to color-correct an - uncompressed/unfiltered row */ - mng_fptr fRetrieverow; /* internal callback to retrieve an - uncompressed/unfiltered row of data */ - mng_fptr fStorerow; /* internal callback to store an - uncompressed/unfiltered row of data */ - mng_fptr fProcessrow; /* internal callback to process an - uncompressed row of data */ - mng_fptr fDifferrow; /* internal callback to perform - added filter leveling and - differing on an unfiltered row */ - mng_fptr fScalerow; /* internal callback to scale a - delta-row to the bitdepth of its target */ - mng_fptr fDeltarow; /* internal callback to execute a - delta-row onto a target */ -#ifndef MNG_SKIPCHUNK_PAST - mng_fptr fFliprow; /* internal callback to flip a row of pixels - left<->right for a PAST operation */ - mng_fptr fTilerow; /* internal callback to tile a row of pixels - during a PAST operation */ -#endif - mng_fptr fInitrowproc; /* internal callback to initialize - the row processing */ - - mng_uint16 iDEFIobjectid; /* DEFI fields */ - mng_bool bDEFIhasdonotshow; - mng_uint8 iDEFIdonotshow; - mng_bool bDEFIhasconcrete; - mng_uint8 iDEFIconcrete; - mng_bool bDEFIhasloca; - mng_int32 iDEFIlocax; - mng_int32 iDEFIlocay; - mng_bool bDEFIhasclip; - mng_int32 iDEFIclipl; - mng_int32 iDEFIclipr; - mng_int32 iDEFIclipt; - mng_int32 iDEFIclipb; - - mng_uint16 iBACKred; /* BACK fields */ - mng_uint16 iBACKgreen; - mng_uint16 iBACKblue; - mng_uint8 iBACKmandatory; - mng_uint16 iBACKimageid; - mng_uint8 iBACKtile; - - mng_int32 iBackimgoffsx; /* temp variables for restore_bkgd */ - mng_int32 iBackimgoffsy; - mng_uint32 iBackimgwidth; - mng_uint32 iBackimgheight; - -#ifndef MNG_SKIPCHUNK_FRAM - mng_uint8 iFRAMmode; /* FRAM fields (global) */ - mng_uint32 iFRAMdelay; - mng_uint32 iFRAMtimeout; - mng_bool bFRAMclipping; - mng_int32 iFRAMclipl; - mng_int32 iFRAMclipr; - mng_int32 iFRAMclipt; - mng_int32 iFRAMclipb; - - mng_uint8 iFramemode; /* current subframe variables */ - mng_uint32 iFramedelay; - mng_uint32 iFrametimeout; - mng_bool bFrameclipping; - mng_int32 iFrameclipl; - mng_int32 iFrameclipr; - mng_int32 iFrameclipt; - mng_int32 iFrameclipb; - - mng_uint32 iNextdelay; /* delay *after* next image */ - - mng_bool bForcedelay; - mng_uint32 iAccumdelay; -#endif - -#ifndef MNG_SKIPCHUNK_SHOW - mng_uint8 iSHOWmode; /* SHOW fields */ - mng_uint16 iSHOWfromid; - mng_uint16 iSHOWtoid; - mng_uint16 iSHOWnextid; - mng_int16 iSHOWskip; -#endif - - mng_uint32 iGlobalPLTEcount; /* global PLTE fields */ - mng_rgbpaltab aGlobalPLTEentries; - - mng_uint32 iGlobalTRNSrawlen; /* global tRNS fields */ - mng_uint8arr aGlobalTRNSrawdata; - - mng_uint32 iGlobalGamma; /* global gAMA fields */ - -#ifndef MNG_SKIPCHUNK_cHRM - mng_uint32 iGlobalWhitepointx; /* global cHRM fields */ - mng_uint32 iGlobalWhitepointy; - mng_uint32 iGlobalPrimaryredx; - mng_uint32 iGlobalPrimaryredy; - mng_uint32 iGlobalPrimarygreenx; - mng_uint32 iGlobalPrimarygreeny; - mng_uint32 iGlobalPrimarybluex; - mng_uint32 iGlobalPrimarybluey; -#endif - - mng_uint8 iGlobalRendintent; /* global sRGB fields */ - -#ifndef MNG_SKIPCHUNK_iCCP - mng_uint32 iGlobalProfilesize; /* global iCCP fields */ - mng_ptr pGlobalProfile; -#endif - - mng_uint16 iGlobalBKGDred; /* global bKGD fields */ - mng_uint16 iGlobalBKGDgreen; - mng_uint16 iGlobalBKGDblue; - - mng_ptr pDeltaImage; /* delta-image fields */ - mng_uint8 iDeltaImagetype; -#endif /* MNG_SUPPORT_DISPLAY */ - mng_uint8 iDeltatype; /* need this one in read processing !! */ -#ifdef MNG_SUPPORT_DISPLAY - mng_uint32 iDeltaBlockwidth; - mng_uint32 iDeltaBlockheight; - mng_uint32 iDeltaBlockx; - mng_uint32 iDeltaBlocky; - mng_bool bDeltaimmediate; - - mng_fptr fDeltagetrow; /* internal delta-proc callbacks */ - mng_fptr fDeltaaddrow; - mng_fptr fDeltareplacerow; - mng_fptr fDeltaputrow; - -#ifndef MNG_SKIPCHUNK_PROM - mng_fptr fPromoterow; /* internal PROM fields */ - mng_fptr fPromBitdepth; - mng_ptr pPromBuf; - mng_uint8 iPromColortype; - mng_uint8 iPromBitdepth; - mng_uint8 iPromFilltype; - mng_uint32 iPromWidth; - mng_ptr pPromSrc; - mng_ptr pPromDst; -#endif - -#ifndef MNG_SKIPCHUNK_MAGN - mng_uint16 iMAGNfromid; - mng_uint16 iMAGNcurrentid; - mng_uint16 iMAGNtoid; -#endif - -#ifndef MNG_SKIPCHUNK_PAST - mng_uint16 iPASTid; - mng_int32 iPastx; /* target x/y of last PAST */ - mng_int32 iPasty; -#endif - - mng_objectp pLastseek; /* last processed ani_seek object */ - -#ifdef MNG_INCLUDE_MPNG_PROPOSAL - mng_objectp pMPNG; /* mpNG object if available */ -#endif -#ifdef MNG_INCLUDE_ANG_PROPOSAL - mng_objectp pANG; /* ANG object if available */ -#endif - -#endif /* MNG_SUPPORT_DISPLAY */ - -#ifdef MNG_INCLUDE_ZLIB - z_stream sZlib; /* zlib (de)compression variables */ - - mng_int32 iZlevel; /* zlib compression parameters */ - mng_int32 iZmethod; - mng_int32 iZwindowbits; - mng_int32 iZmemlevel; - mng_int32 iZstrategy; - - mng_uint32 iMaxIDAT; /* maximum size of IDAT data */ - - mng_bool bInflating; /* indicates "inflate" in progress */ - mng_bool bDeflating; /* indicates "deflate" in progress */ -#endif /* MNG_INCLUDE_ZLIB */ - -#ifdef MNG_INCLUDE_JNG - mngjpeg_dctmethod eJPEGdctmethod; /* IJG compression variables */ - mng_int32 iJPEGquality; - mng_int32 iJPEGsmoothing; - mng_bool bJPEGcompressprogr; - mng_bool bJPEGcompressopt; - - mng_uint32 iMaxJDAT; /* maximum size of JDAT/JDAA data */ - - mngjpeg_compp pJPEGcinfo; /* compression structure */ - mngjpeg_errorp pJPEGcerr; /* error-manager compress */ - - mngjpeg_decompp pJPEGdinfo; /* decompression structure (JDAT) */ - mngjpeg_errorp pJPEGderr; /* error-manager decompress (JDAT) */ - mngjpeg_sourcep pJPEGdsrc; /* source-manager decompress (JDAT) */ - - mngjpeg_decompp pJPEGdinfo2; /* decompression structure (JDAA) */ - mngjpeg_errorp pJPEGderr2; /* error-manager decompress (JDAA) */ - mngjpeg_sourcep pJPEGdsrc2; /* source-manager decompress (JDAA) */ - - mng_uint8p pJPEGbuf; /* buffer for JPEG (de)compression (JDAT) */ - mng_uint32 iJPEGbufmax; /* allocated space for buffer (JDAT) */ - mng_uint8p pJPEGcurrent; /* current pointer into buffer (JDAT) */ - mng_uint32 iJPEGbufremain; /* remaining bytes in buffer (JDAT) */ - mng_uint32 iJPEGtoskip; /* bytes to skip on next input-block (JDAT) */ - - mng_uint8p pJPEGbuf2; /* buffer for JPEG (de)compression (JDAA) */ - mng_uint32 iJPEGbufmax2; /* allocated space for buffer (JDAA) */ - mng_uint8p pJPEGcurrent2; /* current pointer into buffer (JDAA) */ - mng_uint32 iJPEGbufremain2; /* remaining bytes in buffer (JDAA) */ - mng_uint32 iJPEGtoskip2; /* bytes to skip on next input-block (JDAA) */ - - mng_uint8p pJPEGrow; /* buffer for a JPEG row of samples (JDAT) */ - mng_uint32 iJPEGrowlen; - - mng_uint8p pJPEGrow2; /* buffer for a JPEG row of samples (JDAA) */ - mng_uint32 iJPEGrowlen2; - - mng_bool bJPEGcompress; /* indicates "compress" initialized */ - - mng_bool bJPEGdecompress; /* indicates "decompress" initialized (JDAT) */ - mng_bool bJPEGhasheader; /* indicates "readheader" succeeded (JDAT) */ - mng_bool bJPEGdecostarted; /* indicates "decompress" started (JDAT) */ - mng_bool bJPEGscanstarted; /* indicates "first scan" started (JDAT) */ - mng_bool bJPEGscanending; /* indicates "finish_output" suspended (JDAT) */ - mng_bool bJPEGprogressive; /* indicates a progressive image (JDAT) */ - - mng_bool bJPEGdecompress2; /* indicates "decompress" initialized (JDAA) */ - mng_bool bJPEGhasheader2; /* indicates "readheader" succeeded (JDAA) */ - mng_bool bJPEGdecostarted2; /* indicates "decompress" started (JDAA) */ - mng_bool bJPEGscanstarted2; /* indicates "first scan" started (JDAA) */ - mng_bool bJPEGprogressive2; /* indicates a progressive image (JDAA) */ - - mng_fptr fStorerow2; /* internal callback to store an - uncompressed/unfiltered row of JPEG-data (JDAT) */ - - mng_fptr fStorerow3; /* internal callback to store an - uncompressed/unfiltered row of JPEG-data (JDAA) */ - - mng_uint32 iJPEGrow; /* row-number for current JPEG row */ - mng_uint32 iJPEGalpharow; /* nr. of rows filled with alpha */ - mng_uint32 iJPEGrgbrow; /* nr. of rows filled with 'color'-info */ - mng_uint32 iJPEGdisprow; /* nr. of rows already displayed "on-the-fly" */ - -#if defined(MNG_USE_SETJMP) && defined (MNG_INCLUDE_IJG6B) - jmp_buf sErrorbuf; /* setjmp/longjmp buffer (error-recovery) */ -#endif - -#endif /* MNG_INCLUDE_JNG */ - -#ifndef MNG_USE_ZLIB_CRC - mng_uint32 aCRCtable [256]; /* CRC prefab table */ - mng_bool bCRCcomputed; /* "has been built" indicator */ -#endif - -#ifdef MNG_OPTIMIZE_FOOTPRINT_INIT - png_imgtype ePng_imgtype; -#endif - -#if defined(MNG_NO_1_2_4BIT_SUPPORT) || defined(MNG_NO_16BIT_SUPPORT) - mng_uint8 iPNGdepth; /* Real input depth */ - mng_uint8 iPNGmult; -#endif - -#ifdef MNG_OPTIMIZE_DISPLAYCALLS - mng_uint32 iRawlen; /* temp vars for display processing */ - mng_uint8p pRawdata; -#ifndef MNG_SKIPCHUNK_BASI - mng_uint16 iBASIred; - mng_uint16 iBASIgreen; - mng_uint16 iBASIblue; - mng_bool bBASIhasalpha; - mng_uint16 iBASIalpha; - mng_uint8 iBASIviewable; -#endif -#ifndef MNG_SKIPCHUNK_CLON - mng_uint16 iCLONsourceid; - mng_uint16 iCLONcloneid; - mng_uint8 iCLONclonetype; - mng_bool bCLONhasdonotshow; - mng_uint8 iCLONdonotshow; - mng_uint8 iCLONconcrete; - mng_bool bCLONhasloca; - mng_uint8 iCLONlocationtype; - mng_int32 iCLONlocationx; - mng_int32 iCLONlocationy; -#endif -#ifndef MNG_SKIPCHUNK_DISC - mng_uint32 iDISCcount; - mng_uint16p pDISCids; -#endif -#ifndef MNG_SKIPCHUNK_FRAM - mng_uint8 iTempFramemode; - mng_uint8 iTempChangedelay; - mng_uint32 iTempDelay; - mng_uint8 iTempChangetimeout; - mng_uint32 iTempTimeout; - mng_uint8 iTempChangeclipping; - mng_uint8 iTempCliptype; - mng_int32 iTempClipl; - mng_int32 iTempClipr; - mng_int32 iTempClipt; - mng_int32 iTempClipb; -#endif -#ifndef MNG_SKIPCHUNK_MOVE - mng_uint16 iMOVEfromid; - mng_uint16 iMOVEtoid; - mng_uint8 iMOVEmovetype; - mng_int32 iMOVEmovex; - mng_int32 iMOVEmovey; -#endif -#ifndef MNG_SKIPCHUNK_CLIP - mng_uint16 iCLIPfromid; - mng_uint16 iCLIPtoid; - mng_uint8 iCLIPcliptype; - mng_int32 iCLIPclipl; - mng_int32 iCLIPclipr; - mng_int32 iCLIPclipt; - mng_int32 iCLIPclipb; -#endif -#ifndef MNG_NO_DELTA_PNG - mng_uint16 iDHDRobjectid; - mng_uint8 iDHDRimagetype; - mng_uint8 iDHDRdeltatype; - mng_uint32 iDHDRblockwidth; - mng_uint32 iDHDRblockheight; - mng_uint32 iDHDRblockx; - mng_uint32 iDHDRblocky; - mng_uint8 iPROMbitdepth; - mng_uint8 iPROMcolortype; - mng_uint8 iPROMfilltype; - mng_uint8 iPPLTtype; - mng_uint32 iPPLTcount; - mng_palette8ep paPPLTindexentries; - mng_uint8p paPPLTalphaentries; - mng_uint8p paPPLTusedentries; -#endif -#ifndef MNG_SKIPCHUNK_MAGN - mng_uint16 iMAGNfirstid; - mng_uint16 iMAGNlastid; - mng_uint8 iMAGNmethodX; - mng_uint16 iMAGNmX; - mng_uint16 iMAGNmY; - mng_uint16 iMAGNmL; - mng_uint16 iMAGNmR; - mng_uint16 iMAGNmT; - mng_uint16 iMAGNmB; - mng_uint8 iMAGNmethodY; -#endif -#ifndef MNG_SKIPCHUNK_PAST - mng_uint16 iPASTtargetid; - mng_uint8 iPASTtargettype; - mng_int32 iPASTtargetx; - mng_int32 iPASTtargety; - mng_uint32 iPASTcount; - mng_ptr pPASTsources; -#endif -#endif /* MNG_OPTIMIZE_DISPLAYCALLS */ - - } mng_data; - -typedef mng_data * mng_datap; - -/* ************************************************************************** */ -/* * * */ -/* * Internal Callback-Function prototypes * */ -/* * * */ -/* ************************************************************************** */ - -typedef mng_retcode(*mng_displayrow) (mng_datap pData); -typedef mng_retcode(*mng_restbkgdrow) (mng_datap pData); -typedef mng_retcode(*mng_correctrow) (mng_datap pData); -typedef mng_retcode(*mng_retrieverow) (mng_datap pData); -typedef mng_retcode(*mng_storerow) (mng_datap pData); -typedef mng_retcode(*mng_processrow) (mng_datap pData); -typedef mng_retcode(*mng_initrowproc) (mng_datap pData); -typedef mng_retcode(*mng_differrow) (mng_datap pData); -typedef mng_retcode(*mng_scalerow) (mng_datap pData); -typedef mng_retcode(*mng_deltarow) (mng_datap pData); -typedef mng_retcode(*mng_promoterow) (mng_datap pData); -typedef mng_retcode(*mng_fliprow) (mng_datap pData); -typedef mng_retcode(*mng_tilerow) (mng_datap pData); - -typedef mng_uint8 (*mng_bitdepth_8) (mng_uint8 iB); -typedef mng_uint16 (*mng_bitdepth_16) (mng_uint8 iB); - -typedef mng_retcode(*mng_magnify_x) (mng_datap pData, - mng_uint16 iMX, - mng_uint16 iML, - mng_uint16 iMR, - mng_uint32 iWidth, - mng_uint8p iSrcline, - mng_uint8p iDstline); -typedef mng_retcode(*mng_magnify_y) (mng_datap pData, - mng_int32 iM, - mng_int32 iS, - mng_uint32 iWidth, - mng_uint8p iSrcline1, - mng_uint8p iSrcline2, - mng_uint8p iDstline); - -/* ************************************************************************** */ -/* * * */ -/* * Routines for swapping byte-order from and to graphic files * */ -/* * (This code is adapted from the libpng package) * */ -/* * * */ -/* ************************************************************************** */ - -#ifndef MNG_BIGENDIAN_SUPPORTED -mng_uint32 mng_get_uint32 (mng_uint8p pBuf); -mng_int32 mng_get_int32 (mng_uint8p pBuf); -mng_uint16 mng_get_uint16 (mng_uint8p pBuf); -void mng_put_uint32 (mng_uint8p pBuf, - mng_uint32 i); -void mng_put_int32 (mng_uint8p pBuf, - mng_int32 i); -void mng_put_uint16 (mng_uint8p pBuf, - mng_uint16 i); -#else /* MNG_BIGENDIAN_SUPPORTED */ -#define mng_get_uint32(P) *(mng_uint32p)(P) -#define mng_get_int32(P) *(mng_int32p)(P) -#define mng_get_uint16(P) *(mng_uint16p)(P) -#define mng_put_uint32(P,I) *(mng_uint32p)(P) = (I) -#define mng_put_int32(P,I) *(mng_int32p)(P) = (I) -#define mng_put_uint16(P,I) *(mng_uint16p)(P) = (I) -#endif /* MNG_BIGENDIAN_SUPPORTED */ - -/* ************************************************************************** */ -/* * * */ -/* * Some handy(?) macro definitions * */ -/* * * */ -/* ************************************************************************** */ - -#define MAX_COORD(a, b) (((a) > (b)) ? (a) : (b)) -#define MIN_COORD(a, b) (((a) < (b)) ? (a) : (b)) - -/* ************************************************************************** */ - -#endif /* _libmng_data_h_ */ - -/* ************************************************************************** */ -/* * end of file * */ -/* ************************************************************************** */ |