diff options
Diffstat (limited to 'src/3rdparty/libmng/libmng_hlapi.c')
| -rw-r--r-- | src/3rdparty/libmng/libmng_hlapi.c | 3001 |
1 files changed, 0 insertions, 3001 deletions
diff --git a/src/3rdparty/libmng/libmng_hlapi.c b/src/3rdparty/libmng/libmng_hlapi.c deleted file mode 100644 index e710347..0000000 --- a/src/3rdparty/libmng/libmng_hlapi.c +++ /dev/null @@ -1,3001 +0,0 @@ -/* ************************************************************************** */ -/* * For conditions of distribution and use, * */ -/* * see copyright notice in libmng.h * */ -/* ************************************************************************** */ -/* * * */ -/* * project : libmng * */ -/* * file : libmng_hlapi.c copyright (c) 2000-2007 G.Juyn * */ -/* * version : 1.0.10 * */ -/* * * */ -/* * purpose : high-level application API (implementation) * */ -/* * * */ -/* * author : G.Juyn * */ -/* * * */ -/* * comment : implementation of the high-level function interface * */ -/* * for applications. * */ -/* * * */ -/* * changes : 0.5.1 - 05/06/2000 - G.Juyn * */ -/* * - added init of iPLTEcount * */ -/* * 0.5.1 - 05/08/2000 - G.Juyn * */ -/* * - changed calling-convention definition * */ -/* * - changed status-handling of display-routines * */ -/* * - added versioning-control routines * */ -/* * - filled the write routine * */ -/* * - changed strict-ANSI stuff * */ -/* * 0.5.1 - 05/11/2000 - G.Juyn * */ -/* * - added callback error-reporting support * */ -/* * 0.5.1 - 05/12/2000 - G.Juyn * */ -/* * - changed trace to macro for callback error-reporting * */ -/* * 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) * */ -/* * 0.5.1 - 05/14/2000 - G.Juyn * */ -/* * - added cleanup of saved-data (SAVE/SEEK processing) * */ -/* * 0.5.1 - 05/16/2000 - G.Juyn * */ -/* * - moved the actual write_graphic functionality from here * */ -/* * to its appropriate function in the mng_write module * */ -/* * * */ -/* * 0.5.2 - 05/19/2000 - G.Juyn * */ -/* * - cleaned up some code regarding mixed support * */ -/* * - added JNG support * */ -/* * 0.5.2 - 05/24/2000 - G.Juyn * */ -/* * - moved init of default zlib parms here from "mng_zlib.c" * */ -/* * - added init of default IJG parms * */ -/* * 0.5.2 - 05/29/2000 - G.Juyn * */ -/* * - fixed inconsistancy with freeing global iCCP profile * */ -/* * 0.5.2 - 05/30/2000 - G.Juyn * */ -/* * - added delta-image field initialization * */ -/* * 0.5.2 - 06/06/2000 - G.Juyn * */ -/* * - added initialization of the buffer-suspend parameter * */ -/* * * */ -/* * 0.5.3 - 06/16/2000 - G.Juyn * */ -/* * - added initialization of update-region for refresh * */ -/* * - added initialization of Needrefresh parameter * */ -/* * 0.5.3 - 06/17/2000 - G.Juyn * */ -/* * - added initialization of Deltaimmediate * */ -/* * 0.5.3 - 06/21/2000 - G.Juyn * */ -/* * - added initialization of Speed * */ -/* * - added initialization of Imagelevel * */ -/* * 0.5.3 - 06/26/2000 - G.Juyn * */ -/* * - changed userdata variable to mng_ptr * */ -/* * 0.5.3 - 06/29/2000 - G.Juyn * */ -/* * - fixed initialization routine for new mng_handle type * */ -/* * * */ -/* * 0.9.1 - 07/06/2000 - G.Juyn * */ -/* * - changed mng_display_resume to allow to be called after * */ -/* * a suspension return with MNG_NEEDMOREDATA * */ -/* * - added returncode MNG_NEEDTIMERWAIT for timer breaks * */ -/* * 0.9.1 - 07/07/2000 - G.Juyn * */ -/* * - implemented support for freeze/reset/resume & go_xxxx * */ -/* * 0.9.1 - 07/08/2000 - G.Juyn * */ -/* * - added support for improved timing * */ -/* * - added support for improved I/O-suspension * */ -/* * 0.9.1 - 07/14/2000 - G.Juyn * */ -/* * - changed EOF processing behavior * */ -/* * 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 * */ -/* * - added error cleanup processing * */ -/* * - fixed support for mng_display_reset() * */ -/* * - fixed suspension-buffering for 32K+ chunks * */ -/* * * */ -/* * 0.9.2 - 07/29/2000 - G.Juyn * */ -/* * - fixed small bugs in display processing * */ -/* * 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 - 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 - 10/11/2000 - G.Juyn * */ -/* * - added support for nEED * */ -/* * 0.9.3 - 10/16/2000 - G.Juyn * */ -/* * - added optional support for bKGD for PNG images * */ -/* * - raised initial maximum canvas size * */ -/* * - added support for JDAA * */ -/* * 0.9.3 - 10/17/2000 - G.Juyn * */ -/* * - added callback to process non-critical unknown chunks * */ -/* * - fixed support for delta-images during read() / display() * */ -/* * 0.9.3 - 10/18/2000 - G.Juyn * */ -/* * - added closestream() processing for mng_cleanup() * */ -/* * 0.9.3 - 10/27/2000 - G.Juyn * */ -/* * - fixed separate read() & display() processing * */ -/* * * */ -/* * 0.9.4 - 11/20/2000 - G.Juyn * */ -/* * - fixed unwanted repetition in mng_readdisplay() * */ -/* * 0.9.4 - 11/24/2000 - G.Juyn * */ -/* * - moved restore of object 0 to libmng_display * */ -/* * * */ -/* * 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 * */ -/* * 1.0.1 - 04/21/2001 - G.Juyn * */ -/* * - fixed bug with display_reset/display_resume (Thanks G!) * */ -/* * 1.0.1 - 04/22/2001 - G.Juyn * */ -/* * - fixed memory-leak (Thanks Gregg!) * */ -/* * 1.0.1 - 04/23/2001 - G.Juyn * */ -/* * - fixed reset_rundata to drop all objects * */ -/* * 1.0.1 - 04/25/2001 - G.Juyn * */ -/* * - moved mng_clear_cms to libmng_cms * */ -/* * * */ -/* * 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 - 08/19/2002 - G.Juyn * */ -/* * - B597134 - libmng pollutes the linker namespace * */ -/* * 1.0.5 - 09/15/2002 - G.Juyn * */ -/* * - fixed LOOP iteration=0 special case * */ -/* * 1.0.5 - 10/07/2002 - G.Juyn * */ -/* * - added another fix for misplaced TERM chunk * */ -/* * - completed support for condition=2 in TERM chunk * */ -/* * - added beta version function & constant * */ -/* * 1.0.5 - 10/11/2002 - G.Juyn * */ -/* * - added mng_status_dynamic to supports function * */ -/* * 1.0.5 - 11/04/2002 - G.Juyn * */ -/* * - changed FRAMECOUNT/LAYERCOUNT/PLAYTIME error to warning * */ -/* * 1.0.5 - 11/07/2002 - G.Juyn * */ -/* * - added support to get totals after mng_read() * */ -/* * 1.0.5 - 11/29/2002 - G.Juyn * */ -/* * - fixed goxxxxx() support for zero values * */ -/* * * */ -/* * 1.0.6 - 05/25/2003 - G.R-P * */ -/* * - added MNG_SKIPCHUNK_cHNK footprint optimizations * */ -/* * 1.0.6 - 07/11/2003 - G.R-P * */ -/* * - added conditionals zlib and jpeg property accessors * */ -/* * 1.0.6 - 07/14/2003 - G.R-P * */ -/* * - added conditionals around "mng_display_go*" and other * */ -/* * unused functions * */ -/* * 1.0.6 - 07/29/2003 - G.R-P * */ -/* * - added conditionals around PAST chunk support * */ -/* * * */ -/* * 1.0.7 - 03/07/2004 - G. Randers-Pehrson * */ -/* * - put gamma, cms-related declarations inside #ifdef * */ -/* * 1.0.7 - 03/10/2004 - G.R-P * */ -/* * - added conditionals around openstream/closestream * */ -/* * 1.0.7 - 03/24/2004 - G.R-P * */ -/* * - fixed zTXT -> zTXt typo * */ -/* * * */ -/* * 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 * */ -/* * 1.0.8 - 07/06/2004 - G.R-P * */ -/* * - defend against using undefined openstream function * */ -/* * 1.0.8 - 08/02/2004 - G.Juyn * */ -/* * - added conditional to allow easier writing of large MNG's * */ -/* * * */ -/* * 1.0.9 - 08/17/2004 - G.R-P * */ -/* * - added more SKIPCHUNK conditionals * */ -/* * 1.0.9 - 09/25/2004 - G.Juyn * */ -/* * - replaced MNG_TWEAK_LARGE_FILES with permanent solution * */ -/* * 1.0.9 - 10/03/2004 - G.Juyn * */ -/* * - added function to retrieve current FRAM delay * */ -/* * 1.0.9 - 12/20/2004 - G.Juyn * */ -/* * - cleaned up macro-invocations (thanks to D. Airlie) * */ -/* * * */ -/* * 1.0.10 - 07/06/2005 - G.R-P * */ -/* * - added more SKIPCHUNK conditionals * */ -/* * 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 * */ -/* * 1.0.10 - 07/06/2007 - G.R-P bugfix by Lucas Quintana * */ -/* * * */ -/* ************************************************************************** */ - -#include "libmng.h" -#include "libmng_data.h" -#include "libmng_error.h" -#include "libmng_trace.h" -#ifdef __BORLANDC__ -#pragma hdrstop -#endif -#include "libmng_objects.h" -#include "libmng_object_prc.h" -#include "libmng_chunks.h" -#include "libmng_memory.h" -#include "libmng_read.h" -#include "libmng_write.h" -#include "libmng_display.h" -#include "libmng_zlib.h" -#include "libmng_jpeg.h" -#include "libmng_cms.h" -#include "libmng_pixels.h" - -#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI) -#pragma option -A /* force ANSI-C */ -#endif - -/* ************************************************************************** */ -/* * * */ -/* * local routines * */ -/* * * */ -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -MNG_LOCAL mng_retcode mng_drop_objects (mng_datap pData, - mng_bool bDropaniobj) -{ - mng_objectp pObject; - mng_objectp pNext; - mng_cleanupobject fCleanup; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (pData, MNG_FN_DROP_OBJECTS, MNG_LC_START); -#endif - - pObject = pData->pFirstimgobj; /* get first stored image-object (if any) */ - - while (pObject) /* more objects to discard ? */ - { - pNext = ((mng_object_headerp)pObject)->pNext; - /* call appropriate cleanup */ - fCleanup = ((mng_object_headerp)pObject)->fCleanup; - fCleanup (pData, pObject); - - pObject = pNext; /* neeeext */ - } - - pData->pFirstimgobj = MNG_NULL; /* clean this up!!! */ - pData->pLastimgobj = MNG_NULL; - - if (bDropaniobj) /* drop animation objects ? */ - { - pObject = pData->pFirstaniobj; /* get first stored animation-object (if any) */ - - while (pObject) /* more objects to discard ? */ - { - pNext = ((mng_object_headerp)pObject)->pNext; - /* call appropriate cleanup */ - fCleanup = ((mng_object_headerp)pObject)->fCleanup; - fCleanup (pData, pObject); - - pObject = pNext; /* neeeext */ - } - - pData->pFirstaniobj = MNG_NULL; /* clean this up!!! */ - pData->pLastaniobj = MNG_NULL; - -#ifdef MNG_SUPPORT_DYNAMICMNG - pObject = pData->pFirstevent; /* get first event-object (if any) */ - - while (pObject) /* more objects to discard ? */ - { - pNext = ((mng_object_headerp)pObject)->pNext; - /* call appropriate cleanup */ - fCleanup = ((mng_object_headerp)pObject)->fCleanup; - fCleanup (pData, pObject); - - pObject = pNext; /* neeeext */ - } - - pData->pFirstevent = MNG_NULL; /* clean this up!!! */ - pData->pLastevent = MNG_NULL; -#endif - } - -#ifdef MNG_INCLUDE_MPNG_PROPOSAL - if (pData->pMPNG) /* drop MPNG data (if any) */ - { - fCleanup = ((mng_object_headerp)pData->pMPNG)->fCleanup; - fCleanup (pData, pData->pMPNG); - pData->pMPNG = MNG_NULL; - } -#endif - -#ifdef MNG_INCLUDE_ANG_PROPOSAL - if (pData->pANG) /* drop ANG data (if any) */ - { - fCleanup = ((mng_object_headerp)pData->pANG)->fCleanup; - fCleanup (pData, pData->pANG); - pData->pANG = MNG_NULL; - } -#endif - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (pData, MNG_FN_DROP_OBJECTS, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -#ifndef MNG_SKIPCHUNK_SAVE -MNG_LOCAL mng_retcode mng_drop_savedata (mng_datap pData) -{ -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (pData, MNG_FN_DROP_SAVEDATA, MNG_LC_START); -#endif - - if (pData->pSavedata) /* sanity check */ - { /* address it more directly */ - mng_savedatap pSave = pData->pSavedata; - - if (pSave->iGlobalProfilesize) /* cleanup the profile ? */ - MNG_FREEX (pData, pSave->pGlobalProfile, pSave->iGlobalProfilesize); - /* cleanup the save structure */ - MNG_FREE (pData, pData->pSavedata, sizeof (mng_savedata)); - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (pData, MNG_FN_DROP_SAVEDATA, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -MNG_LOCAL mng_retcode mng_reset_rundata (mng_datap pData) -{ - mng_drop_invalid_objects (pData); /* drop invalidly stored objects */ -#ifndef MNG_SKIPCHUNK_SAVE - mng_drop_savedata (pData); /* drop stored savedata */ -#endif - mng_reset_objzero (pData); /* reset object 0 */ - /* drop stored objects (if any) */ - mng_drop_objects (pData, MNG_FALSE); - - pData->bFramedone = MNG_FALSE; - pData->iFrameseq = 0; /* reset counters & stuff */ - pData->iLayerseq = 0; - pData->iFrametime = 0; - - pData->bSkipping = MNG_FALSE; - -#ifdef MNG_SUPPORT_DYNAMICMNG - pData->bRunningevent = MNG_FALSE; - pData->bStopafterseek = MNG_FALSE; - pData->iEventx = 0; - pData->iEventy = 0; - pData->pLastmousemove = MNG_NULL; -#endif - - pData->iRequestframe = 0; - pData->iRequestlayer = 0; - pData->iRequesttime = 0; - pData->bSearching = MNG_FALSE; - - pData->iRuntime = 0; - pData->iSynctime = 0; - pData->iStarttime = 0; - pData->iEndtime = 0; - pData->bRunning = MNG_FALSE; - pData->bTimerset = MNG_FALSE; - pData->iBreakpoint = 0; - pData->bSectionwait = MNG_FALSE; - pData->bFreezing = MNG_FALSE; - pData->bResetting = MNG_FALSE; - pData->bNeedrefresh = MNG_FALSE; - pData->bOnlyfirstframe = MNG_FALSE; - pData->iFramesafterTERM = 0; - - pData->iIterations = 0; - /* start of animation objects! */ - pData->pCurraniobj = MNG_NULL; - - pData->iUpdateleft = 0; /* reset region */ - pData->iUpdateright = 0; - pData->iUpdatetop = 0; - pData->iUpdatebottom = 0; - pData->iPLTEcount = 0; /* reset PLTE data */ - -#ifndef MNG_SKIPCHUNK_DEFI - pData->iDEFIobjectid = 0; /* reset DEFI data */ - pData->bDEFIhasdonotshow = MNG_FALSE; - pData->iDEFIdonotshow = 0; - pData->bDEFIhasconcrete = MNG_FALSE; - pData->iDEFIconcrete = 0; - pData->bDEFIhasloca = MNG_FALSE; - pData->iDEFIlocax = 0; - pData->iDEFIlocay = 0; - pData->bDEFIhasclip = MNG_FALSE; - pData->iDEFIclipl = 0; - pData->iDEFIclipr = 0; - pData->iDEFIclipt = 0; - pData->iDEFIclipb = 0; -#endif - -#ifndef MNG_SKIPCHUNK_BACK - pData->iBACKred = 0; /* reset BACK data */ - pData->iBACKgreen = 0; - pData->iBACKblue = 0; - pData->iBACKmandatory = 0; - pData->iBACKimageid = 0; - pData->iBACKtile = 0; -#endif - -#ifndef MNG_SKIPCHUNK_FRAM - pData->iFRAMmode = 1; /* default global FRAM variables */ - pData->iFRAMdelay = 1; - pData->iFRAMtimeout = 0x7fffffffl; - pData->bFRAMclipping = MNG_FALSE; - pData->iFRAMclipl = 0; - pData->iFRAMclipr = 0; - pData->iFRAMclipt = 0; - pData->iFRAMclipb = 0; - - pData->iFramemode = 1; /* again for the current frame */ - pData->iFramedelay = 1; - pData->iFrametimeout = 0x7fffffffl; - pData->bFrameclipping = MNG_FALSE; - pData->iFrameclipl = 0; - pData->iFrameclipr = 0; - pData->iFrameclipt = 0; - pData->iFrameclipb = 0; - - pData->iNextdelay = 1; - - pData->bForcedelay = MNG_FALSE; - pData->iAccumdelay = 0; -#endif - -#ifndef MNG_SKIPCHUNK_SHOW - pData->iSHOWmode = 0; /* reset SHOW data */ - pData->iSHOWfromid = 0; - pData->iSHOWtoid = 0; - pData->iSHOWnextid = 0; - pData->iSHOWskip = 0; -#endif - - pData->iGlobalPLTEcount = 0; /* reset global PLTE data */ - - pData->iGlobalTRNSrawlen = 0; /* reset global tRNS data */ - - pData->iGlobalGamma = 0; /* reset global gAMA data */ - -#ifndef MNG_SKIPCHUNK_cHRM - pData->iGlobalWhitepointx = 0; /* reset global cHRM data */ - pData->iGlobalWhitepointy = 0; - pData->iGlobalPrimaryredx = 0; - pData->iGlobalPrimaryredy = 0; - pData->iGlobalPrimarygreenx = 0; - pData->iGlobalPrimarygreeny = 0; - pData->iGlobalPrimarybluex = 0; - pData->iGlobalPrimarybluey = 0; -#endif - -#ifndef MNG_SKIPCHUNK_sRGB - pData->iGlobalRendintent = 0; /* reset global sRGB data */ -#endif - -#ifndef MNG_SKIPCHUNK_iCCP - if (pData->iGlobalProfilesize) /* drop global profile (if any) */ - MNG_FREE (pData, pData->pGlobalProfile, pData->iGlobalProfilesize); - - pData->iGlobalProfilesize = 0; -#endif - -#ifndef MNG_SKIPCHUNK_bKGD - pData->iGlobalBKGDred = 0; /* reset global bKGD data */ - pData->iGlobalBKGDgreen = 0; - pData->iGlobalBKGDblue = 0; -#endif -#ifndef MNG_NO_DELTA_PNG - /* reset delta-image */ - pData->pDeltaImage = MNG_NULL; - pData->iDeltaImagetype = 0; - pData->iDeltatype = 0; - pData->iDeltaBlockwidth = 0; - pData->iDeltaBlockheight = 0; - pData->iDeltaBlockx = 0; - pData->iDeltaBlocky = 0; - pData->bDeltaimmediate = MNG_FALSE; - - pData->fDeltagetrow = MNG_NULL; - pData->fDeltaaddrow = MNG_NULL; - pData->fDeltareplacerow = MNG_NULL; - pData->fDeltaputrow = MNG_NULL; - - pData->fPromoterow = MNG_NULL; - pData->fPromBitdepth = MNG_NULL; - pData->pPromBuf = MNG_NULL; - pData->iPromColortype = 0; - pData->iPromBitdepth = 0; - pData->iPromFilltype = 0; - pData->iPromWidth = 0; - pData->pPromSrc = MNG_NULL; - pData->pPromDst = MNG_NULL; -#endif - -#ifndef MNG_SKIPCHUNK_MAGN - pData->iMAGNfromid = 0; - pData->iMAGNtoid = 0; -#endif - -#ifndef MNG_SKIPCHUNK_PAST - pData->iPastx = 0; - pData->iPasty = 0; -#endif - - pData->pLastseek = MNG_NULL; - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -MNG_LOCAL void cleanup_errors (mng_datap pData) -{ - pData->iErrorcode = MNG_NOERROR; - pData->iSeverity = 0; - pData->iErrorx1 = 0; - pData->iErrorx2 = 0; - pData->zErrortext = MNG_NULL; - - return; -} - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_READ -MNG_LOCAL mng_retcode make_pushbuffer (mng_datap pData, - mng_ptr pPushdata, - mng_size_t iLength, - mng_bool bTakeownership, - mng_pushdatap * pPush) -{ - mng_pushdatap pTemp; - - MNG_ALLOC (pData, pTemp, sizeof(mng_pushdata)); - - pTemp->pNext = MNG_NULL; - - if (bTakeownership) /* are we going to own the buffer? */ - { /* then just copy the pointer */ - pTemp->pData = (mng_uint8p)pPushdata; - } - else - { /* otherwise create new buffer */ - MNG_ALLOCX (pData, pTemp->pData, iLength); - if (!pTemp->pData) /* succeeded? */ - { - MNG_FREEX (pData, pTemp, sizeof(mng_pushdata)); - MNG_ERROR (pData, MNG_OUTOFMEMORY); - } - /* and copy the bytes across */ - MNG_COPY (pTemp->pData, pPushdata, iLength); - } - - pTemp->iLength = iLength; - pTemp->bOwned = bTakeownership; - pTemp->pDatanext = pTemp->pData; - pTemp->iRemaining = iLength; - - *pPush = pTemp; /* return it */ - - return MNG_NOERROR; /* and all's well */ -} -#endif - -#ifdef MNG_VERSION_QUERY_SUPPORT -/* ************************************************************************** */ -/* * * */ -/* * Versioning control * */ -/* * * */ -/* ************************************************************************** */ - -mng_pchar MNG_DECL mng_version_text (void) -{ - return MNG_VERSION_TEXT; -} - -/* ************************************************************************** */ - -mng_uint8 MNG_DECL mng_version_so (void) -{ - return MNG_VERSION_SO; -} - -/* ************************************************************************** */ - -mng_uint8 MNG_DECL mng_version_dll (void) -{ - return MNG_VERSION_DLL; -} - -/* ************************************************************************** */ - -mng_uint8 MNG_DECL mng_version_major (void) -{ - return MNG_VERSION_MAJOR; -} - -/* ************************************************************************** */ - -mng_uint8 MNG_DECL mng_version_minor (void) -{ - return MNG_VERSION_MINOR; -} - -/* ************************************************************************** */ - -mng_uint8 MNG_DECL mng_version_release (void) -{ - return MNG_VERSION_RELEASE; -} - -/* ************************************************************************** */ - -mng_bool MNG_DECL mng_version_beta (void) -{ - return MNG_VERSION_BETA; -} -#endif - -/* ************************************************************************** */ -/* * * */ -/* * 'supports' function * */ -/* * * */ -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_FUNCQUERY -typedef struct { - mng_pchar zFunction; - mng_uint8 iMajor; /* Major == 0 means not implemented ! */ - mng_uint8 iMinor; - mng_uint8 iRelease; - } mng_func_entry; -typedef mng_func_entry const * mng_func_entryp; - -MNG_LOCAL mng_func_entry const func_table [] = - { /* keep it alphabetically sorted !!!!! */ - {"mng_cleanup", 1, 0, 0}, - {"mng_copy_chunk", 1, 0, 5}, - {"mng_create", 1, 0, 0}, - {"mng_display", 1, 0, 0}, - {"mng_display_freeze", 1, 0, 0}, -#ifndef MNG_NO_DISPLAY_GO_SUPPORTED - {"mng_display_goframe", 1, 0, 0}, - {"mng_display_golayer", 1, 0, 0}, - {"mng_display_gotime", 1, 0, 0}, -#endif - {"mng_display_reset", 1, 0, 0}, - {"mng_display_resume", 1, 0, 0}, - {"mng_get_alphabitdepth", 1, 0, 0}, - {"mng_get_alphacompression", 1, 0, 0}, - {"mng_get_alphadepth", 1, 0, 0}, - {"mng_get_alphafilter", 1, 0, 0}, - {"mng_get_alphainterlace", 1, 0, 0}, - {"mng_get_bgcolor", 1, 0, 0}, - {"mng_get_bitdepth", 1, 0, 0}, - {"mng_get_bkgdstyle", 1, 0, 0}, - {"mng_get_cacheplayback", 1, 0, 2}, - {"mng_get_canvasstyle", 1, 0, 0}, - {"mng_get_colortype", 1, 0, 0}, - {"mng_get_compression", 1, 0, 0}, -#ifndef MNG_NO_CURRENT_INFO - {"mng_get_currentframe", 1, 0, 0}, - {"mng_get_currentlayer", 1, 0, 0}, - {"mng_get_currentplaytime", 1, 0, 0}, -#endif - {"mng_get_currframdelay", 1, 0, 9}, -#ifndef MNG_NO_DFLT_INFO - {"mng_get_dfltimggamma", 1, 0, 0}, - {"mng_get_dfltimggammaint", 1, 0, 0}, -#endif - {"mng_get_displaygamma", 1, 0, 0}, - {"mng_get_displaygammaint", 1, 0, 0}, - {"mng_get_doprogressive", 1, 0, 2}, - {"mng_get_filter", 1, 0, 0}, - {"mng_get_framecount", 1, 0, 0}, - {"mng_get_imageheight", 1, 0, 0}, - {"mng_get_imagelevel", 1, 0, 0}, - {"mng_get_imagetype", 1, 0, 0}, - {"mng_get_imagewidth", 1, 0, 0}, - {"mng_get_interlace", 1, 0, 0}, -#ifdef MNG_ACCESS_JPEG - {"mng_get_jpeg_dctmethod", 1, 0, 0}, - {"mng_get_jpeg_maxjdat", 1, 0, 0}, - {"mng_get_jpeg_optimized", 1, 0, 0}, - {"mng_get_jpeg_progressive", 1, 0, 0}, - {"mng_get_jpeg_quality", 1, 0, 0}, - {"mng_get_jpeg_smoothing", 1, 0, 0}, -#endif - {"mng_get_lastbackchunk", 1, 0, 3}, - {"mng_get_lastseekname", 1, 0, 5}, - {"mng_get_layercount", 1, 0, 0}, -#ifndef MNG_SKIP_MAXCANVAS - {"mng_get_maxcanvasheight", 1, 0, 0}, - {"mng_get_maxcanvaswidth", 1, 0, 0}, -#endif - {"mng_get_playtime", 1, 0, 0}, - {"mng_get_refreshpass", 1, 0, 0}, - {"mng_get_runtime", 1, 0, 0}, - {"mng_get_sectionbreaks", 1, 0, 0}, - {"mng_get_sigtype", 1, 0, 0}, - {"mng_get_simplicity", 1, 0, 0}, - {"mng_get_speed", 1, 0, 0}, - {"mng_get_srgb", 1, 0, 0}, - {"mng_get_starttime", 1, 0, 0}, - {"mng_get_storechunks", 1, 0, 0}, - {"mng_get_suspensionmode", 1, 0, 0}, - {"mng_get_ticks", 1, 0, 0}, -#ifndef MNG_NO_CURRENT_INFO - {"mng_get_totalframes", 1, 0, 5}, - {"mng_get_totallayers", 1, 0, 5}, - {"mng_get_totalplaytime", 1, 0, 5}, -#endif - {"mng_get_usebkgd", 1, 0, 0}, - {"mng_get_userdata", 1, 0, 0}, -#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS) - {"mng_get_viewgamma", 1, 0, 0}, - {"mng_get_viewgammaint", 1, 0, 0}, -#endif -#ifdef MNG_ACCESS_ZLIB - {"mng_get_zlib_level", 1, 0, 0}, - {"mng_get_zlib_maxidat", 1, 0, 0}, - {"mng_get_zlib_memlevel", 1, 0, 0}, - {"mng_get_zlib_method", 1, 0, 0}, - {"mng_get_zlib_strategy", 1, 0, 0}, - {"mng_get_zlib_windowbits", 1, 0, 0}, -#endif -#ifndef MNG_NO_OPEN_CLOSE_STREAM - {"mng_getcb_closestream", 1, 0, 0}, -#endif - {"mng_getcb_errorproc", 1, 0, 0}, - {"mng_getcb_getalphaline", 1, 0, 0}, - {"mng_getcb_getbkgdline", 1, 0, 0}, - {"mng_getcb_getcanvasline", 1, 0, 0}, - {"mng_getcb_gettickcount", 1, 0, 0}, - {"mng_getcb_memalloc", 1, 0, 0}, - {"mng_getcb_memfree", 1, 0, 0}, -#ifndef MNG_NO_OPEN_CLOSE_STREAM - {"mng_getcb_openstream", 1, 0, 0}, -#endif - {"mng_getcb_processarow", 1, 0, 0}, - {"mng_getcb_processchroma", 1, 0, 0}, - {"mng_getcb_processgamma", 1, 0, 0}, - {"mng_getcb_processheader", 1, 0, 0}, - {"mng_getcb_processiccp", 1, 0, 0}, - {"mng_getcb_processmend", 1, 0, 1}, - {"mng_getcb_processneed", 1, 0, 0}, - {"mng_getcb_processsave", 1, 0, 0}, - {"mng_getcb_processseek", 1, 0, 0}, - {"mng_getcb_processsrgb", 1, 0, 0}, - {"mng_getcb_processterm", 1, 0, 2}, - {"mng_getcb_processtext", 1, 0, 0}, - {"mng_getcb_processunknown", 1, 0, 0}, - {"mng_getcb_readdata", 1, 0, 0}, - {"mng_getcb_refresh", 1, 0, 0}, - {"mng_getcb_releasedata", 1, 0, 8}, - {"mng_getcb_settimer", 1, 0, 0}, - {"mng_getcb_traceproc", 1, 0, 0}, - {"mng_getcb_writedata", 1, 0, 0}, - {"mng_getchunk_back", 1, 0, 0}, - {"mng_getchunk_basi", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_bKGD - {"mng_getchunk_bkgd", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_cHRM - {"mng_getchunk_chrm", 1, 0, 0}, -#endif - {"mng_getchunk_clip", 1, 0, 0}, - {"mng_getchunk_clon", 1, 0, 0}, -#ifndef MNG_NO_DELTA_PNG -#ifndef MNG_SKIPCHUNK_dBYK - {"mng_getchunk_dbyk", 1, 0, 0}, -#endif -#endif - {"mng_getchunk_defi", 1, 0, 0}, -#ifndef MNG_NO_DELTA_PNG - {"mng_getchunk_dhdr", 1, 0, 0}, -#endif - {"mng_getchunk_disc", 1, 0, 0}, -#ifndef MNG_NO_DELTA_PNG - {"mng_getchunk_drop", 1, 0, 0}, -#endif - {"mng_getchunk_endl", 1, 0, 0}, -#ifdef MNG_INCLUDE_MPNG_PROPOSAL - {"mng_getchunk_mpng", 1, 0, 10}, - {"mng_getchunk_mpng_frame", 1, 0, 10}, -#endif -#ifndef MNG_SKIPCHUNK_evNT - {"mng_getchunk_evnt", 1, 0, 5}, - {"mng_getchunk_evnt_entry", 1, 0, 5}, -#endif -#ifndef MNG_SKIPCHUNK_eXPI - {"mng_getchunk_expi", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_fPRI - {"mng_getchunk_fpri", 1, 0, 0}, -#endif - {"mng_getchunk_fram", 1, 0, 0}, - {"mng_getchunk_gama", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_hIST - {"mng_getchunk_hist", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_iCCP - {"mng_getchunk_iccp", 1, 0, 0}, -#endif - {"mng_getchunk_idat", 1, 0, 0}, - {"mng_getchunk_iend", 1, 0, 0}, - {"mng_getchunk_ihdr", 1, 0, 0}, -#ifndef MNG_NO_DELTA_PNG -#ifdef MNG_INCLUDE_JNG - {"mng_getchunk_ijng", 1, 0, 0}, -#endif - {"mng_getchunk_ipng", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_iTXt - {"mng_getchunk_itxt", 1, 0, 0}, -#endif -#ifdef MNG_INCLUDE_JNG - {"mng_getchunk_jdaa", 1, 0, 0}, - {"mng_getchunk_jdat", 1, 0, 0}, - {"mng_getchunk_jhdr", 1, 0, 0}, - {"mng_getchunk_jsep", 1, 0, 0}, -#endif - {"mng_getchunk_loop", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_MAGN - {"mng_getchunk_magn", 1, 0, 0}, -#endif - {"mng_getchunk_mend", 1, 0, 0}, - {"mng_getchunk_mhdr", 1, 0, 0}, - {"mng_getchunk_move", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_nEED - {"mng_getchunk_need", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_ORDR -#ifndef MNG_NO_DELTA_PNG - {"mng_getchunk_ordr", 1, 0, 0}, - {"mng_getchunk_ordr_entry", 1, 0, 0}, -#endif -#endif -#ifndef MNG_SKIPCHUNK_PAST - {"mng_getchunk_past", 1, 0, 0}, - {"mng_getchunk_past_src", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_pHYg - {"mng_getchunk_phyg", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_pHYs - {"mng_getchunk_phys", 1, 0, 0}, -#endif -#ifndef MNG_NO_DELTA_PNG - {"mng_getchunk_plte", 1, 0, 0}, - {"mng_getchunk_pplt", 1, 0, 0}, - {"mng_getchunk_pplt_entry", 1, 0, 0}, - {"mng_getchunk_prom", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_SAVE - {"mng_getchunk_save", 1, 0, 0}, - {"mng_getchunk_save_entry", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_sBIT - {"mng_getchunk_sbit", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_SEEK - {"mng_getchunk_seek", 1, 0, 0}, -#endif - {"mng_getchunk_show", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_sPLT - {"mng_getchunk_splt", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_sRGB - {"mng_getchunk_srgb", 1, 0, 0}, -#endif - {"mng_getchunk_term", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_tEXt - {"mng_getchunk_text", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_tIME - {"mng_getchunk_time", 1, 0, 0}, -#endif - {"mng_getchunk_trns", 1, 0, 0}, - {"mng_getchunk_unkown", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_zTXt - {"mng_getchunk_ztxt", 1, 0, 0}, -#endif - {"mng_getimgdata_chunk", 0, 0, 0}, - {"mng_getimgdata_chunkseq", 0, 0, 0}, - {"mng_getimgdata_seq", 0, 0, 0}, - {"mng_getlasterror", 1, 0, 0}, - {"mng_initialize", 1, 0, 0}, - {"mng_iterate_chunks", 1, 0, 0}, - {"mng_putchunk_back", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_BASI - {"mng_putchunk_basi", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_bKGD - {"mng_putchunk_bkgd", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_cHRM - {"mng_putchunk_chrm", 1, 0, 0}, -#endif - {"mng_putchunk_clip", 1, 0, 0}, - {"mng_putchunk_clon", 1, 0, 0}, -#ifndef MNG_NO_DELTA_PNG -#ifndef MNG_SKIPCHUNK_DBYK - {"mng_putchunk_dbyk", 1, 0, 0}, -#endif -#endif - {"mng_putchunk_defi", 1, 0, 0}, -#ifndef MNG_NO_DELTA_PNG - {"mng_putchunk_dhdr", 1, 0, 0}, -#endif - {"mng_putchunk_disc", 1, 0, 0}, -#ifndef MNG_NO_DELTA_PNG - {"mng_putchunk_drop", 1, 0, 0}, -#endif - {"mng_putchunk_endl", 1, 0, 0}, -#ifdef MNG_INCLUDE_MPNG_PROPOSAL - {"mng_putchunk_mpng", 1, 0, 10}, - {"mng_putchunk_mpng_frame", 1, 0, 10}, -#endif -#ifndef MNG_SKIPCHUNK_evNT - {"mng_putchunk_evnt", 1, 0, 5}, - {"mng_putchunk_evnt_entry", 1, 0, 5}, -#endif -#ifndef MNG_SKIPCHUNK_eXPI - {"mng_putchunk_expi", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_fPRI - {"mng_putchunk_fpri", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_FRAM - {"mng_putchunk_fram", 1, 0, 0}, -#endif - {"mng_putchunk_gama", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_hIST - {"mng_putchunk_hist", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_iCCP - {"mng_putchunk_iccp", 1, 0, 0}, -#endif - {"mng_putchunk_idat", 1, 0, 0}, - {"mng_putchunk_iend", 1, 0, 0}, - {"mng_putchunk_ihdr", 1, 0, 0}, -#ifndef MNG_NO_DELTA_PNG -#ifdef MNG_INCLUDE_JNG - {"mng_putchunk_ijng", 1, 0, 0}, -#endif - {"mng_putchunk_ipng", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_iTXt - {"mng_putchunk_itxt", 1, 0, 0}, -#endif -#ifdef MNG_INCLUDE_JNG - {"mng_putchunk_jdaa", 1, 0, 0}, - {"mng_putchunk_jdat", 1, 0, 0}, - {"mng_putchunk_jhdr", 1, 0, 0}, - {"mng_putchunk_jsep", 1, 0, 0}, -#endif - {"mng_putchunk_loop", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_MAGN - {"mng_putchunk_magn", 1, 0, 0}, -#endif - {"mng_putchunk_mend", 1, 0, 0}, - {"mng_putchunk_mhdr", 1, 0, 0}, - {"mng_putchunk_move", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_nEED - {"mng_putchunk_need", 1, 0, 0}, -#endif -#ifndef MNG_NO_DELTA_PNG -#ifndef MNG_SKIPCHUNK_ORDR - {"mng_putchunk_ordr", 1, 0, 0}, - {"mng_putchunk_ordr_entry", 1, 0, 0}, -#endif -#endif -#ifndef MNG_SKIPCHUNK_PAST - {"mng_putchunk_past", 1, 0, 0}, - {"mng_putchunk_past_src", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_pHYg - {"mng_putchunk_phyg", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_pHYs - {"mng_putchunk_phys", 1, 0, 0}, -#endif -#ifndef MNG_NO_DELTA_PNG - {"mng_putchunk_plte", 1, 0, 0}, - {"mng_putchunk_pplt", 1, 0, 0}, - {"mng_putchunk_pplt_entry", 1, 0, 0}, - {"mng_putchunk_prom", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_SAVE - {"mng_putchunk_save", 1, 0, 0}, - {"mng_putchunk_save_entry", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_sBIT - {"mng_putchunk_sbit", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_SEEK - {"mng_putchunk_seek", 1, 0, 0}, -#endif - {"mng_putchunk_show", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_sPLT - {"mng_putchunk_splt", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_sRGB - {"mng_putchunk_srgb", 1, 0, 0}, -#endif - {"mng_putchunk_term", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_tEXt - {"mng_putchunk_text", 1, 0, 0}, -#endif -#ifndef MNG_SKIPCHUNK_tIME - {"mng_putchunk_time", 1, 0, 0}, -#endif - {"mng_putchunk_trns", 1, 0, 0}, - {"mng_putchunk_unkown", 1, 0, 0}, -#ifndef MNG_SKIPCHUNK_zTXt - {"mng_putchunk_ztxt", 1, 0, 0}, -#endif - {"mng_putimgdata_ihdr", 0, 0, 0}, - {"mng_putimgdata_jhdr", 0, 0, 0}, - {"mng_reset", 1, 0, 0}, - {"mng_read", 1, 0, 0}, - {"mng_read_pushchunk", 1, 0, 8}, - {"mng_read_pushdata", 1, 0, 8}, - {"mng_read_pushsig", 1, 0, 8}, - {"mng_read_resume", 1, 0, 0}, - {"mng_readdisplay", 1, 0, 0}, - {"mng_set_bgcolor", 1, 0, 0}, - {"mng_set_bkgdstyle", 1, 0, 0}, - {"mng_set_cacheplayback", 1, 0, 2}, - {"mng_set_canvasstyle", 1, 0, 0}, - {"mng_set_dfltimggamma", 1, 0, 0}, -#ifndef MNG_NO_DFLT_INFO - {"mng_set_dfltimggammaint", 1, 0, 0}, -#endif - {"mng_set_displaygamma", 1, 0, 0}, - {"mng_set_displaygammaint", 1, 0, 0}, - {"mng_set_doprogressive", 1, 0, 2}, -#ifdef MNG_ACCESS_JPEG - {"mng_set_jpeg_dctmethod", 1, 0, 0}, - {"mng_set_jpeg_maxjdat", 1, 0, 0}, - {"mng_set_jpeg_optimized", 1, 0, 0}, - {"mng_set_jpeg_progressive", 1, 0, 0}, - {"mng_set_jpeg_quality", 1, 0, 0}, - {"mng_set_jpeg_smoothing", 1, 0, 0}, -#endif -#ifndef MNG_SKIP_MAXCANVAS - {"mng_set_maxcanvasheight", 1, 0, 0}, - {"mng_set_maxcanvassize", 1, 0, 0}, - {"mng_set_maxcanvaswidth", 1, 0, 0}, -#endif - {"mng_set_outputprofile", 1, 0, 0}, - {"mng_set_outputprofile2", 1, 0, 0}, - {"mng_set_outputsrgb", 1, 0, 1}, - {"mng_set_sectionbreaks", 1, 0, 0}, - {"mng_set_speed", 1, 0, 0}, - {"mng_set_srgb", 1, 0, 0}, - {"mng_set_srgbimplicit", 1, 0, 1}, - {"mng_set_srgbprofile", 1, 0, 0}, - {"mng_set_srgbprofile2", 1, 0, 0}, - {"mng_set_storechunks", 1, 0, 0}, - {"mng_set_suspensionmode", 1, 0, 0}, - {"mng_set_usebkgd", 1, 0, 0}, - {"mng_set_userdata", 1, 0, 0}, -#if defined(MNG_FULL_CMS) || defined(MNG_GAMMA_ONLY) || defined(MNG_APP_CMS) - {"mng_set_viewgamma", 1, 0, 0}, - {"mng_set_viewgammaint", 1, 0, 0}, -#endif -#ifdef MNG_ACCESS_ZLIB - {"mng_set_zlib_level", 1, 0, 0}, - {"mng_set_zlib_maxidat", 1, 0, 0}, - {"mng_set_zlib_memlevel", 1, 0, 0}, - {"mng_set_zlib_method", 1, 0, 0}, - {"mng_set_zlib_strategy", 1, 0, 0}, - {"mng_set_zlib_windowbits", 1, 0, 0}, -#endif -#ifndef MNG_NO_OPEN_CLOSE_STREAM - {"mng_setcb_closestream", 1, 0, 0}, -#endif - {"mng_setcb_errorproc", 1, 0, 0}, - {"mng_setcb_getalphaline", 1, 0, 0}, - {"mng_setcb_getbkgdline", 1, 0, 0}, - {"mng_setcb_getcanvasline", 1, 0, 0}, - {"mng_setcb_gettickcount", 1, 0, 0}, - {"mng_setcb_memalloc", 1, 0, 0}, - {"mng_setcb_memfree", 1, 0, 0}, -#ifndef MNG_NO_OPEN_CLOSE_STREAM - {"mng_setcb_openstream", 1, 0, 0}, -#endif - {"mng_setcb_processarow", 1, 0, 0}, - {"mng_setcb_processchroma", 1, 0, 0}, - {"mng_setcb_processgamma", 1, 0, 0}, - {"mng_setcb_processheader", 1, 0, 0}, - {"mng_setcb_processiccp", 1, 0, 0}, - {"mng_setcb_processmend", 1, 0, 1}, - {"mng_setcb_processneed", 1, 0, 0}, - {"mng_setcb_processsave", 1, 0, 0}, - {"mng_setcb_processseek", 1, 0, 0}, - {"mng_setcb_processsrgb", 1, 0, 0}, - {"mng_setcb_processterm", 1, 0, 2}, - {"mng_setcb_processtext", 1, 0, 0}, - {"mng_setcb_processunknown", 1, 0, 0}, - {"mng_setcb_readdata", 1, 0, 0}, - {"mng_setcb_refresh", 1, 0, 0}, - {"mng_setcb_releasedata", 1, 0, 8}, - {"mng_setcb_settimer", 1, 0, 0}, - {"mng_setcb_traceproc", 1, 0, 0}, - {"mng_setcb_writedata", 1, 0, 0}, - {"mng_status_creating", 1, 0, 0}, - {"mng_status_displaying", 1, 0, 0}, - {"mng_status_dynamic", 1, 0, 5}, - {"mng_status_error", 1, 0, 0}, - {"mng_status_reading", 1, 0, 0}, - {"mng_status_running", 1, 0, 0}, - {"mng_status_runningevent", 1, 0, 5}, - {"mng_status_suspendbreak", 1, 0, 0}, - {"mng_status_timerbreak", 1, 0, 0}, - {"mng_status_writing", 1, 0, 0}, - {"mng_supports_func", 1, 0, 5}, - {"mng_trapevent", 1, 0, 5}, - {"mng_updatemngheader", 1, 0, 0}, - {"mng_updatemngsimplicity", 1, 0, 0}, - {"mng_version_beta", 1, 0, 5}, - {"mng_version_dll", 1, 0, 0}, - {"mng_version_major", 1, 0, 0}, - {"mng_version_minor", 1, 0, 0}, - {"mng_version_release", 1, 0, 0}, - {"mng_version_so", 1, 0, 0}, - {"mng_version_text", 1, 0, 0}, - {"mng_write", 1, 0, 0}, - }; - -mng_bool MNG_DECL mng_supports_func (mng_pchar zFunction, - mng_uint8* iMajor, - mng_uint8* iMinor, - mng_uint8* iRelease) -{ - mng_int32 iTop, iLower, iUpper, iMiddle; - mng_func_entryp pEntry; /* pointer to found entry */ - /* determine max index of table */ - iTop = (sizeof (func_table) / sizeof (func_table [0])) - 1; - - iLower = 0; /* initialize binary search */ - iMiddle = iTop >> 1; /* start in the middle */ - iUpper = iTop; - pEntry = 0; /* no goods yet! */ - - do /* the binary search itself */ - { - mng_int32 iRslt = strcmp(func_table [iMiddle].zFunction, zFunction); - if (iRslt < 0) - iLower = iMiddle + 1; - else if (iRslt > 0) - iUpper = iMiddle - 1; - else - { - pEntry = &func_table [iMiddle]; - break; - }; - - iMiddle = (iLower + iUpper) >> 1; - } - while (iLower <= iUpper); - - if (pEntry) /* found it ? */ - { - *iMajor = pEntry->iMajor; - *iMinor = pEntry->iMinor; - *iRelease = pEntry->iRelease; - return MNG_TRUE; - } - else - { - *iMajor = 0; - *iMinor = 0; - *iRelease = 0; - return MNG_FALSE; - } -} -#endif - -/* ************************************************************************** */ -/* * * */ -/* * HLAPI routines * */ -/* * * */ -/* ************************************************************************** */ - -mng_handle MNG_DECL mng_initialize (mng_ptr pUserdata, - mng_memalloc fMemalloc, - mng_memfree fMemfree, - mng_traceproc fTraceproc) -{ - mng_datap pData; -#ifdef MNG_SUPPORT_DISPLAY - mng_retcode iRetcode; - mng_imagep pImage; -#endif - -#ifdef MNG_INTERNAL_MEMMNGMT /* allocate the main datastruc */ - pData = (mng_datap)calloc (1, sizeof (mng_data)); -#else - pData = (mng_datap)fMemalloc (sizeof (mng_data)); -#endif - - if (!pData) - return MNG_NULL; /* error: out of memory?? */ - /* validate the structure */ - pData->iMagic = MNG_MAGIC; - /* save userdata field */ - pData->pUserdata = pUserdata; - /* remember trace callback */ - pData->fTraceproc = fTraceproc; - -#ifdef MNG_SUPPORT_TRACE - if (mng_trace (pData, MNG_FN_INITIALIZE, MNG_LC_INITIALIZE)) - { - MNG_FREEX (pData, pData, sizeof (mng_data)); - return MNG_NULL; - } -#endif - /* default canvas styles are 8-bit RGB */ - pData->iCanvasstyle = MNG_CANVAS_RGB8; - pData->iBkgdstyle = MNG_CANVAS_RGB8; - - pData->iBGred = 0; /* black */ - pData->iBGgreen = 0; - pData->iBGblue = 0; - - pData->bUseBKGD = MNG_TRUE; - -#ifdef MNG_FULL_CMS - pData->bIssRGB = MNG_TRUE; - pData->hProf1 = 0; /* no profiles yet */ - pData->hProf2 = 0; - pData->hProf3 = 0; - pData->hTrans = 0; -#endif - - pData->dViewgamma = 1.0; - pData->dDisplaygamma = 2.2; - pData->dDfltimggamma = 0.45455; - /* initially remember chunks */ - pData->bStorechunks = MNG_TRUE; - /* no breaks at section-borders */ - pData->bSectionbreaks = MNG_FALSE; - /* initially cache playback info */ - pData->bCacheplayback = MNG_TRUE; - /* progressive refresh for large images */ - pData->bDoProgressive = MNG_TRUE; - /* crc exists; should check; error for - critical chunks; warning for ancillery; - generate crc for output */ - pData->iCrcmode = MNG_CRC_DEFAULT; - /* normal animation-speed ! */ - pData->iSpeed = mng_st_normal; - /* initial image limits */ - pData->iMaxwidth = 10000; - pData->iMaxheight = 10000; - -#ifdef MNG_INTERNAL_MEMMNGMT /* internal management */ - pData->fMemalloc = MNG_NULL; - pData->fMemfree = MNG_NULL; -#else /* keep callbacks */ - pData->fMemalloc = fMemalloc; - pData->fMemfree = fMemfree; -#endif - /* no value (yet) */ - pData->fReleasedata = MNG_NULL; -#ifndef MNG_NO_OPEN_CLOSE_STREAM - pData->fOpenstream = MNG_NULL; - pData->fClosestream = MNG_NULL; -#endif - pData->fReaddata = MNG_NULL; - pData->fWritedata = MNG_NULL; - pData->fErrorproc = MNG_NULL; - pData->fProcessheader = MNG_NULL; - pData->fProcesstext = MNG_NULL; - pData->fProcesssave = MNG_NULL; - pData->fProcessseek = MNG_NULL; - pData->fProcessneed = MNG_NULL; - pData->fProcessmend = MNG_NULL; - pData->fProcessunknown = MNG_NULL; - pData->fProcessterm = MNG_NULL; - pData->fGetcanvasline = MNG_NULL; - pData->fGetbkgdline = MNG_NULL; - pData->fGetalphaline = MNG_NULL; - pData->fRefresh = MNG_NULL; - pData->fGettickcount = MNG_NULL; - pData->fSettimer = MNG_NULL; - pData->fProcessgamma = MNG_NULL; - pData->fProcesschroma = MNG_NULL; - pData->fProcesssrgb = MNG_NULL; - pData->fProcessiccp = MNG_NULL; - pData->fProcessarow = MNG_NULL; - -#if defined(MNG_SUPPORT_DISPLAY) && (defined(MNG_GAMMA_ONLY) || defined(MNG_FULL_CMS)) - pData->dLastgamma = 0; /* lookup table needs first-time calc */ -#endif - -#ifdef MNG_SUPPORT_DISPLAY /* create object 0 */ - iRetcode = mng_create_imageobject (pData, 0, MNG_TRUE, MNG_TRUE, MNG_TRUE, - 0, 0, 0, 0, 0, 0, 0, 0, 0, MNG_FALSE, - 0, 0, 0, 0, &pImage); - - if (iRetcode) /* on error drop out */ - { - MNG_FREEX (pData, pData, sizeof (mng_data)); - return MNG_NULL; - } - - pData->pObjzero = pImage; -#endif - -#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_INCLUDE_LCMS) - mnglcms_initlibrary (); /* init lcms particulars */ -#endif - -#ifdef MNG_SUPPORT_READ - pData->bSuspensionmode = MNG_FALSE; - pData->iSuspendbufsize = 0; - pData->pSuspendbuf = MNG_NULL; - pData->pSuspendbufnext = MNG_NULL; - pData->iSuspendbufleft = 0; - pData->iChunklen = 0; - pData->pReadbufnext = MNG_NULL; - pData->pLargebufnext = MNG_NULL; - - pData->pFirstpushchunk = MNG_NULL; - pData->pLastpushchunk = MNG_NULL; - pData->pFirstpushdata = MNG_NULL; - pData->pLastpushdata = MNG_NULL; -#endif - -#ifdef MNG_INCLUDE_ZLIB - mngzlib_initialize (pData); /* initialize zlib structures and such */ - /* default zlib compression parameters */ - pData->iZlevel = MNG_ZLIB_LEVEL; - pData->iZmethod = MNG_ZLIB_METHOD; - pData->iZwindowbits = MNG_ZLIB_WINDOWBITS; - pData->iZmemlevel = MNG_ZLIB_MEMLEVEL; - pData->iZstrategy = MNG_ZLIB_STRATEGY; - /* default maximum IDAT data size */ - pData->iMaxIDAT = MNG_MAX_IDAT_SIZE; -#endif - -#ifdef MNG_INCLUDE_JNG /* default IJG compression parameters */ - pData->eJPEGdctmethod = MNG_JPEG_DCT; - pData->iJPEGquality = MNG_JPEG_QUALITY; - pData->iJPEGsmoothing = MNG_JPEG_SMOOTHING; - pData->bJPEGcompressprogr = MNG_JPEG_PROGRESSIVE; - pData->bJPEGcompressopt = MNG_JPEG_OPTIMIZED; - /* default maximum JDAT data size */ - pData->iMaxJDAT = MNG_MAX_JDAT_SIZE; -#endif - - mng_reset ((mng_handle)pData); - -#ifdef MNG_SUPPORT_TRACE - if (mng_trace (pData, MNG_FN_INITIALIZE, MNG_LC_END)) - { - MNG_FREEX (pData, pData, sizeof (mng_data)); - return MNG_NULL; - } -#endif - - return (mng_handle)pData; /* if we get here, we're in business */ -} - -/* ************************************************************************** */ - -mng_retcode MNG_DECL mng_reset (mng_handle hHandle) -{ - mng_datap pData; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_RESET, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)(hHandle)); /* address main structure */ - -#ifdef MNG_SUPPORT_DISPLAY -#ifndef MNG_SKIPCHUNK_SAVE - mng_drop_savedata (pData); /* cleanup saved-data from SAVE/SEEK */ -#endif -#endif - -#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_FULL_CMS) - mng_clear_cms (pData); /* cleanup left-over cms stuff if any */ -#endif - -#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_INCLUDE_JNG) - mngjpeg_cleanup (pData); /* cleanup jpeg stuff */ -#endif - -#ifdef MNG_INCLUDE_ZLIB - if (pData->bInflating) /* if we've been inflating */ - { -#ifdef MNG_INCLUDE_DISPLAY_PROCS - mng_cleanup_rowproc (pData); /* cleanup row-processing, */ -#endif - mngzlib_inflatefree (pData); /* cleanup inflate! */ - } -#endif /* MNG_INCLUDE_ZLIB */ - -#ifdef MNG_SUPPORT_READ - if ((pData->bReading) && (!pData->bEOF)) - mng_process_eof (pData); /* cleanup app streaming */ - /* cleanup default read buffers */ - MNG_FREE (pData, pData->pReadbuf, pData->iReadbufsize); - MNG_FREE (pData, pData->pLargebuf, pData->iLargebufsize); - MNG_FREE (pData, pData->pSuspendbuf, pData->iSuspendbufsize); - - while (pData->pFirstpushdata) /* release any pushed data & chunks */ - mng_release_pushdata (pData); - while (pData->pFirstpushchunk) - mng_release_pushchunk (pData); -#endif - -#ifdef MNG_SUPPORT_WRITE /* cleanup default write buffer */ - MNG_FREE (pData, pData->pWritebuf, pData->iWritebufsize); -#endif - -#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE) - mng_drop_chunks (pData); /* drop stored chunks (if any) */ -#endif - -#ifdef MNG_SUPPORT_DISPLAY - mng_drop_objects (pData, MNG_TRUE); /* drop stored objects (if any) */ - -#ifndef MNG_SKIPCHUNK_iCCP - if (pData->iGlobalProfilesize) /* drop global profile (if any) */ - MNG_FREEX (pData, pData->pGlobalProfile, pData->iGlobalProfilesize); -#endif -#endif - - pData->eSigtype = mng_it_unknown; - pData->eImagetype = mng_it_unknown; - pData->iWidth = 0; /* these are unknown yet */ - pData->iHeight = 0; - pData->iTicks = 0; - pData->iLayercount = 0; - pData->iFramecount = 0; - pData->iPlaytime = 0; - pData->iSimplicity = 0; - pData->iAlphadepth = 16; /* assume the worst! */ - - pData->iImagelevel = 0; /* no image encountered */ - - pData->iMagnify = 0; /* 1-to-1 display */ - pData->iOffsetx = 0; /* no offsets */ - pData->iOffsety = 0; - pData->iCanvaswidth = 0; /* let the app decide during processheader */ - pData->iCanvasheight = 0; - /* so far, so good */ - pData->iErrorcode = MNG_NOERROR; - pData->iSeverity = 0; - pData->iErrorx1 = 0; - pData->iErrorx2 = 0; - pData->zErrortext = MNG_NULL; - -#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE) - /* let's assume the best scenario */ -#ifndef MNG_NO_OLD_VERSIONS - pData->bPreDraft48 = MNG_FALSE; -#endif - /* the unknown chunk */ - pData->iChunkname = MNG_UINT_HUH; - pData->iChunkseq = 0; - pData->pFirstchunk = MNG_NULL; - pData->pLastchunk = MNG_NULL; - /* nothing processed yet */ - pData->bHasheader = MNG_FALSE; - pData->bHasMHDR = MNG_FALSE; - pData->bHasIHDR = MNG_FALSE; - pData->bHasBASI = MNG_FALSE; - pData->bHasDHDR = MNG_FALSE; -#ifdef MNG_INCLUDE_JNG - pData->bHasJHDR = MNG_FALSE; - pData->bHasJSEP = MNG_FALSE; - pData->bHasJDAA = MNG_FALSE; - pData->bHasJDAT = MNG_FALSE; -#endif - pData->bHasPLTE = MNG_FALSE; - pData->bHasTRNS = MNG_FALSE; - pData->bHasGAMA = MNG_FALSE; - pData->bHasCHRM = MNG_FALSE; - pData->bHasSRGB = MNG_FALSE; - pData->bHasICCP = MNG_FALSE; - pData->bHasBKGD = MNG_FALSE; - pData->bHasIDAT = MNG_FALSE; - - pData->bHasSAVE = MNG_FALSE; - pData->bHasBACK = MNG_FALSE; - pData->bHasFRAM = MNG_FALSE; - pData->bHasTERM = MNG_FALSE; - pData->bHasLOOP = MNG_FALSE; - /* there's no global stuff yet either */ - pData->bHasglobalPLTE = MNG_FALSE; - pData->bHasglobalTRNS = MNG_FALSE; - pData->bHasglobalGAMA = MNG_FALSE; - pData->bHasglobalCHRM = MNG_FALSE; - pData->bHasglobalSRGB = MNG_FALSE; - pData->bHasglobalICCP = MNG_FALSE; - - pData->iDatawidth = 0; /* no IHDR/BASI/DHDR done yet */ - pData->iDataheight = 0; - pData->iBitdepth = 0; - pData->iColortype = 0; - pData->iCompression = 0; - pData->iFilter = 0; - pData->iInterlace = 0; - -#ifdef MNG_INCLUDE_JNG - pData->iJHDRcolortype = 0; /* no JHDR data */ - pData->iJHDRimgbitdepth = 0; - pData->iJHDRimgcompression = 0; - pData->iJHDRimginterlace = 0; - pData->iJHDRalphabitdepth = 0; - pData->iJHDRalphacompression = 0; - pData->iJHDRalphafilter = 0; - pData->iJHDRalphainterlace = 0; -#endif - -#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */ - -#ifdef MNG_SUPPORT_READ /* no reading done */ - pData->bReading = MNG_FALSE; - pData->bHavesig = MNG_FALSE; - pData->bEOF = MNG_FALSE; - pData->iReadbufsize = 0; - pData->pReadbuf = MNG_NULL; - - pData->iLargebufsize = 0; - pData->pLargebuf = MNG_NULL; - - pData->iSuspendtime = 0; - pData->bSuspended = MNG_FALSE; - pData->iSuspendpoint = 0; - - pData->pSuspendbufnext = pData->pSuspendbuf; - pData->iSuspendbufleft = 0; -#endif /* MNG_SUPPORT_READ */ - -#ifdef MNG_SUPPORT_WRITE /* no creating/writing done */ - pData->bCreating = MNG_FALSE; - pData->bWriting = MNG_FALSE; - pData->iFirstchunkadded = 0; - pData->iWritebufsize = 0; - pData->pWritebuf = MNG_NULL; -#endif /* MNG_SUPPORT_WRITE */ - -#ifdef MNG_SUPPORT_DISPLAY /* done nuttin' yet */ - pData->bDisplaying = MNG_FALSE; - pData->iFrameseq = 0; - pData->iLayerseq = 0; - pData->iFrametime = 0; - - pData->iTotallayers = 0; - pData->iTotalframes = 0; - pData->iTotalplaytime = 0; - - pData->bSkipping = MNG_FALSE; - -#ifdef MNG_SUPPORT_DYNAMICMNG - pData->bDynamic = MNG_FALSE; - pData->bRunningevent = MNG_FALSE; - pData->bStopafterseek = MNG_FALSE; - pData->iEventx = 0; - pData->iEventy = 0; - pData->pLastmousemove = MNG_NULL; -#endif - - pData->iRequestframe = 0; - pData->iRequestlayer = 0; - pData->iRequesttime = 0; - pData->bSearching = MNG_FALSE; - - pData->bRestorebkgd = MNG_FALSE; - - pData->iRuntime = 0; - pData->iSynctime = 0; - pData->iStarttime = 0; - pData->iEndtime = 0; - pData->bRunning = MNG_FALSE; - pData->bTimerset = MNG_FALSE; - pData->iBreakpoint = 0; - pData->bSectionwait = MNG_FALSE; - pData->bFreezing = MNG_FALSE; - pData->bResetting = MNG_FALSE; - pData->bNeedrefresh = MNG_FALSE; - pData->bMisplacedTERM = MNG_FALSE; - pData->bOnlyfirstframe = MNG_FALSE; - pData->iFramesafterTERM = 0; - /* these don't exist yet */ - pData->pCurrentobj = MNG_NULL; - pData->pCurraniobj = MNG_NULL; - pData->pTermaniobj = MNG_NULL; - pData->pLastclone = MNG_NULL; - pData->pStoreobj = MNG_NULL; - pData->pStorebuf = MNG_NULL; - pData->pRetrieveobj = MNG_NULL; - /* no saved data ! */ - pData->pSavedata = MNG_NULL; - - pData->iUpdateleft = 0; /* no region updated yet */ - pData->iUpdateright = 0; - pData->iUpdatetop = 0; - pData->iUpdatebottom = 0; - - pData->iPass = -1; /* interlacing stuff and temp buffers */ - pData->iRow = 0; - pData->iRowinc = 1; - pData->iCol = 0; - pData->iColinc = 1; - pData->iRowsamples = 0; - pData->iSamplemul = 0; - pData->iSampleofs = 0; - pData->iSamplediv = 0; - pData->iRowsize = 0; - pData->iRowmax = 0; - pData->iFilterofs = 0; - pData->iPixelofs = 1; - pData->iLevel0 = 0; - pData->iLevel1 = 0; - pData->iLevel2 = 0; - pData->iLevel3 = 0; - pData->pWorkrow = MNG_NULL; - pData->pPrevrow = MNG_NULL; - pData->pRGBArow = MNG_NULL; - pData->bIsRGBA16 = MNG_TRUE; - pData->bIsOpaque = MNG_TRUE; - pData->iFilterbpp = 1; - - pData->iSourcel = 0; /* always initialized just before */ - pData->iSourcer = 0; /* compositing the next layer */ - pData->iSourcet = 0; - pData->iSourceb = 0; - pData->iDestl = 0; - pData->iDestr = 0; - pData->iDestt = 0; - pData->iDestb = 0; - /* lists are empty */ - pData->pFirstimgobj = MNG_NULL; - pData->pLastimgobj = MNG_NULL; - pData->pFirstaniobj = MNG_NULL; - pData->pLastaniobj = MNG_NULL; -#ifdef MNG_SUPPORT_DYNAMICMNG - pData->pFirstevent = MNG_NULL; - pData->pLastevent = MNG_NULL; -#endif - /* no processing callbacks */ - pData->fDisplayrow = MNG_NULL; - pData->fRestbkgdrow = MNG_NULL; - pData->fCorrectrow = MNG_NULL; - pData->fRetrieverow = MNG_NULL; - pData->fStorerow = MNG_NULL; - pData->fProcessrow = MNG_NULL; - pData->fDifferrow = MNG_NULL; - pData->fScalerow = MNG_NULL; - pData->fDeltarow = MNG_NULL; -#ifndef MNG_SKIPCHUNK_PAST - pData->fFliprow = MNG_NULL; - pData->fTilerow = MNG_NULL; -#endif - pData->fInitrowproc = MNG_NULL; - - pData->iPLTEcount = 0; /* no PLTE data */ - -#ifndef MNG_SKIPCHUNK_DEFI - pData->iDEFIobjectid = 0; /* no DEFI data */ - pData->bDEFIhasdonotshow = MNG_FALSE; - pData->iDEFIdonotshow = 0; - pData->bDEFIhasconcrete = MNG_FALSE; - pData->iDEFIconcrete = 0; - pData->bDEFIhasloca = MNG_FALSE; - pData->iDEFIlocax = 0; - pData->iDEFIlocay = 0; - pData->bDEFIhasclip = MNG_FALSE; - pData->iDEFIclipl = 0; - pData->iDEFIclipr = 0; - pData->iDEFIclipt = 0; - pData->iDEFIclipb = 0; -#endif - -#ifndef MNG_SKIPCHUNK_BACK - pData->iBACKred = 0; /* no BACK data */ - pData->iBACKgreen = 0; - pData->iBACKblue = 0; - pData->iBACKmandatory = 0; - pData->iBACKimageid = 0; - pData->iBACKtile = 0; -#endif - -#ifndef MNG_SKIPCHUNK_FRAM - pData->iFRAMmode = 1; /* default global FRAM variables */ - pData->iFRAMdelay = 1; - pData->iFRAMtimeout = 0x7fffffffl; - pData->bFRAMclipping = MNG_FALSE; - pData->iFRAMclipl = 0; - pData->iFRAMclipr = 0; - pData->iFRAMclipt = 0; - pData->iFRAMclipb = 0; - - pData->iFramemode = 1; /* again for the current frame */ - pData->iFramedelay = 1; - pData->iFrametimeout = 0x7fffffffl; - pData->bFrameclipping = MNG_FALSE; - pData->iFrameclipl = 0; - pData->iFrameclipr = 0; - pData->iFrameclipt = 0; - pData->iFrameclipb = 0; - - pData->iNextdelay = 1; - - pData->bForcedelay = MNG_FALSE; - pData->iAccumdelay = 0; -#endif - -#ifndef MNG_SKIPCHUNK_SHOW - pData->iSHOWmode = 0; /* no SHOW data */ - pData->iSHOWfromid = 0; - pData->iSHOWtoid = 0; - pData->iSHOWnextid = 0; - pData->iSHOWskip = 0; -#endif - - pData->iGlobalPLTEcount = 0; /* no global PLTE data */ - - pData->iGlobalTRNSrawlen = 0; /* no global tRNS data */ - - pData->iGlobalGamma = 0; /* no global gAMA data */ - -#ifndef MNG_SKIPCHUNK_cHRM - pData->iGlobalWhitepointx = 0; /* no global cHRM data */ - pData->iGlobalWhitepointy = 0; - pData->iGlobalPrimaryredx = 0; - pData->iGlobalPrimaryredy = 0; - pData->iGlobalPrimarygreenx = 0; - pData->iGlobalPrimarygreeny = 0; - pData->iGlobalPrimarybluex = 0; - pData->iGlobalPrimarybluey = 0; -#endif - - pData->iGlobalRendintent = 0; /* no global sRGB data */ - -#ifndef MNG_SKIPCHUNK_iCCP - pData->iGlobalProfilesize = 0; /* no global iCCP data */ - pData->pGlobalProfile = MNG_NULL; -#endif - -#ifndef MNG_SKIPCHUNK_bKGD - pData->iGlobalBKGDred = 0; /* no global bKGD data */ - pData->iGlobalBKGDgreen = 0; - pData->iGlobalBKGDblue = 0; -#endif - /* no delta-image */ -#ifndef MNG_NO_DELTA_PNG - pData->pDeltaImage = MNG_NULL; - pData->iDeltaImagetype = 0; - pData->iDeltatype = 0; - pData->iDeltaBlockwidth = 0; - pData->iDeltaBlockheight = 0; - pData->iDeltaBlockx = 0; - pData->iDeltaBlocky = 0; - pData->bDeltaimmediate = MNG_FALSE; - - pData->fDeltagetrow = MNG_NULL; - pData->fDeltaaddrow = MNG_NULL; - pData->fDeltareplacerow = MNG_NULL; - pData->fDeltaputrow = MNG_NULL; - - pData->fPromoterow = MNG_NULL; - pData->fPromBitdepth = MNG_NULL; - pData->pPromBuf = MNG_NULL; - pData->iPromColortype = 0; - pData->iPromBitdepth = 0; - pData->iPromFilltype = 0; - pData->iPromWidth = 0; - pData->pPromSrc = MNG_NULL; - pData->pPromDst = MNG_NULL; -#endif - -#ifndef MNG_SKIPCHUNK_MAGN - pData->iMAGNfromid = 0; - pData->iMAGNtoid = 0; -#endif - -#ifndef MNG_SKIPCHUNK_PAST - pData->iPastx = 0; - pData->iPasty = 0; -#endif - - pData->pLastseek = MNG_NULL; -#endif - -#ifdef MNG_INCLUDE_ZLIB - pData->bInflating = 0; /* no inflating or deflating */ - pData->bDeflating = 0; /* going on at the moment */ -#endif - -#ifdef MNG_SUPPORT_DISPLAY /* reset object 0 */ - mng_reset_objzero (pData); -#endif - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_RESET, MNG_LC_END); -#endif - - return MNG_NOERROR; -} - -/* ************************************************************************** */ - -mng_retcode MNG_DECL mng_cleanup (mng_handle* hHandle) -{ - mng_datap pData; /* local vars */ -#ifndef MNG_INTERNAL_MEMMNGMT - mng_memfree fFree; -#endif - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)*hHandle), MNG_FN_CLEANUP, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (*hHandle) /* check validity handle */ - pData = ((mng_datap)(*hHandle)); /* and address main structure */ - - mng_reset (*hHandle); /* do an implicit reset to cleanup most stuff */ - -#ifdef MNG_SUPPORT_DISPLAY /* drop object 0 */ - mng_free_imageobject (pData, (mng_imagep)pData->pObjzero); -#endif - -#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_FULL_CMS) - if (pData->hProf2) /* output profile defined ? */ - mnglcms_freeprofile (pData->hProf2); - - if (pData->hProf3) /* sRGB profile defined ? */ - mnglcms_freeprofile (pData->hProf3); -#endif - -#ifdef MNG_INCLUDE_ZLIB - mngzlib_cleanup (pData); /* cleanup zlib stuff */ -#endif - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)*hHandle), MNG_FN_CLEANUP, MNG_LC_CLEANUP) -#endif - - pData->iMagic = 0; /* invalidate the actual memory */ - -#ifdef MNG_INTERNAL_MEMMNGMT - free ((void *)*hHandle); /* cleanup the data-structure */ -#else - fFree = ((mng_datap)*hHandle)->fMemfree; - fFree ((mng_ptr)*hHandle, sizeof (mng_data)); -#endif - - *hHandle = 0; /* wipe pointer to inhibit future use */ - - return MNG_NOERROR; /* and we're done */ -} - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_READ -mng_retcode MNG_DECL mng_read (mng_handle hHandle) -{ - mng_datap pData; /* local vars */ - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - -#ifndef MNG_INTERNAL_MEMMNGMT - MNG_VALIDCB (hHandle, fMemalloc) - MNG_VALIDCB (hHandle, fMemfree) -#endif - -#ifndef MNG_NO_OPEN_CLOSE_STREAM - MNG_VALIDCB (hHandle, fOpenstream) - MNG_VALIDCB (hHandle, fClosestream) -#endif - MNG_VALIDCB (hHandle, fReaddata) - -#ifdef MNG_SUPPORT_DISPLAY /* valid at this point ? */ - if ((pData->bReading) || (pData->bDisplaying)) -#else - if (pData->bReading) -#endif - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - -#ifdef MNG_SUPPORT_WRITE - if ((pData->bWriting) || (pData->bCreating)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); -#endif - - if (!pData->bCacheplayback) /* must store playback info to work!! */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - cleanup_errors (pData); /* cleanup previous errors */ - - pData->bReading = MNG_TRUE; /* read only! */ - -#ifndef MNG_NO_OPEN_CLOSE_STREAM - if (pData->fOpenstream && !pData->fOpenstream (hHandle)) - /* open it and start reading */ - iRetcode = MNG_APPIOERROR; - else -#endif - iRetcode = mng_read_graphic (pData); - - if (pData->bEOF) /* already at EOF ? */ - { - pData->bReading = MNG_FALSE; /* then we're no longer reading */ - -#ifdef MNG_SUPPORT_DISPLAY - mng_reset_rundata (pData); /* reset rundata */ -#endif - } - - if (iRetcode) /* on error bail out */ - return iRetcode; - - if (pData->bSuspended) /* read suspension ? */ - { - iRetcode = MNG_NEEDMOREDATA; - pData->iSuspendtime = pData->fGettickcount ((mng_handle)pData); - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ, MNG_LC_END); -#endif - - return iRetcode; -} -#endif /* MNG_SUPPORT_READ */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_READ -mng_retcode MNG_DECL mng_read_pushdata (mng_handle hHandle, - mng_ptr pData, - mng_size_t iLength, - mng_bool bTakeownership) -{ - mng_datap pMyData; /* local vars */ - mng_pushdatap pPush; - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHDATA, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pMyData = ((mng_datap)hHandle); /* and make it addressable */ - /* create a containing buffer */ - iRetcode = make_pushbuffer (pMyData, pData, iLength, bTakeownership, &pPush); - if (iRetcode) - return iRetcode; - - if (pMyData->pLastpushdata) /* and update the buffer chain */ - pMyData->pLastpushdata->pNext = pPush; - else - pMyData->pFirstpushdata = pPush; - - pMyData->pLastpushdata = pPush; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHDATA, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_READ */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_READ -mng_retcode MNG_DECL mng_read_pushsig (mng_handle hHandle, - mng_imgtype eSigtype) -{ - mng_datap pData; /* local vars */ - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHSIG, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - - if (pData->bHavesig) /* can we expect this call ? */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - pData->eSigtype = eSigtype; - pData->bHavesig = MNG_TRUE; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHSIG, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_READ */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_READ -mng_retcode MNG_DECL mng_read_pushchunk (mng_handle hHandle, - mng_ptr pChunk, - mng_size_t iLength, - mng_bool bTakeownership) -{ - mng_datap pMyData; /* local vars */ - mng_pushdatap pPush; - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHCHUNK, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pMyData = ((mng_datap)hHandle); /* and make it addressable */ - /* create a containing buffer */ - iRetcode = make_pushbuffer (pMyData, pChunk, iLength, bTakeownership, &pPush); - if (iRetcode) - return iRetcode; - - if (pMyData->pLastpushchunk) /* and update the buffer chain */ - pMyData->pLastpushchunk->pNext = pPush; - else - pMyData->pFirstpushchunk = pPush; - - pMyData->pLastpushchunk = pPush; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_PUSHCHUNK, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_READ */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_READ -mng_retcode MNG_DECL mng_read_resume (mng_handle hHandle) -{ - mng_datap pData; /* local vars */ - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_RESUME, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - /* can we expect this call ? */ - if ((!pData->bReading) || (!pData->bSuspended)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - cleanup_errors (pData); /* cleanup previous errors */ - - pData->bSuspended = MNG_FALSE; /* reset the flag */ - -#ifdef MNG_SUPPORT_DISPLAY /* re-synchronize ? */ - if ((pData->bDisplaying) && (pData->bRunning)) - pData->iSynctime = pData->iSynctime - pData->iSuspendtime + - pData->fGettickcount (hHandle); -#endif - - iRetcode = mng_read_graphic (pData); /* continue reading now */ - - if (pData->bEOF) /* at EOF ? */ - { - pData->bReading = MNG_FALSE; /* then we're no longer reading */ - -#ifdef MNG_SUPPORT_DISPLAY - mng_reset_rundata (pData); /* reset rundata */ -#endif - } - - if (iRetcode) /* on error bail out */ - return iRetcode; - - if (pData->bSuspended) /* read suspension ? */ - { - iRetcode = MNG_NEEDMOREDATA; - pData->iSuspendtime = pData->fGettickcount ((mng_handle)pData); - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READ_RESUME, MNG_LC_END); -#endif - - return iRetcode; -} -#endif /* MNG_SUPPORT_READ */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_WRITE -mng_retcode MNG_DECL mng_write (mng_handle hHandle) -{ - mng_datap pData; - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_WRITE, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - -#ifndef MNG_INTERNAL_MEMMNGMT - MNG_VALIDCB (hHandle, fMemalloc) - MNG_VALIDCB (hHandle, fMemfree) -#endif - -#ifndef MNG_NO_OPEN_CLOSE_STREAM - MNG_VALIDCB (hHandle, fOpenstream) - MNG_VALIDCB (hHandle, fClosestream) -#endif - MNG_VALIDCB (hHandle, fWritedata) - -#ifdef MNG_SUPPORT_READ - if (pData->bReading) /* valid at this point ? */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); -#endif - - cleanup_errors (pData); /* cleanup previous errors */ - - iRetcode = mng_write_graphic (pData);/* do the write */ - - if (iRetcode) /* on error bail out */ - return iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_WRITE, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_WRITE */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_WRITE -mng_retcode MNG_DECL mng_create (mng_handle hHandle) -{ - mng_datap pData; - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_CREATE, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - -#ifndef MNG_INTERNAL_MEMMNGMT - MNG_VALIDCB (hHandle, fMemalloc) - MNG_VALIDCB (hHandle, fMemfree) -#endif - -#ifdef MNG_SUPPORT_READ - if (pData->bReading) /* valid at this point ? */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); -#endif - - if ((pData->bWriting) || (pData->bCreating)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - cleanup_errors (pData); /* cleanup previous errors */ - - iRetcode = mng_reset (hHandle); /* clear any previous stuff */ - - if (iRetcode) /* on error bail out */ - return iRetcode; - - pData->bCreating = MNG_TRUE; /* indicate we're creating a new file */ - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_CREATE, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_WRITE */ - -/* ************************************************************************** */ - -#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_SUPPORT_READ) -mng_retcode MNG_DECL mng_readdisplay (mng_handle hHandle) -{ - mng_datap pData; /* local vars */ - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READDISPLAY, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - -#ifndef MNG_INTERNAL_MEMMNGMT - MNG_VALIDCB (hHandle, fMemalloc) - MNG_VALIDCB (hHandle, fMemfree) -#endif - - MNG_VALIDCB (hHandle, fReaddata) - MNG_VALIDCB (hHandle, fGetcanvasline) - MNG_VALIDCB (hHandle, fRefresh) - MNG_VALIDCB (hHandle, fGettickcount) - MNG_VALIDCB (hHandle, fSettimer) - /* valid at this point ? */ - if ((pData->bReading) || (pData->bDisplaying)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - -#ifdef MNG_SUPPORT_WRITE - if ((pData->bWriting) || (pData->bCreating)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); -#endif - - cleanup_errors (pData); /* cleanup previous errors */ - - pData->bReading = MNG_TRUE; /* read & display! */ - pData->bDisplaying = MNG_TRUE; - pData->bRunning = MNG_TRUE; - pData->iFrameseq = 0; - pData->iLayerseq = 0; - pData->iFrametime = 0; - pData->iRequestframe = 0; - pData->iRequestlayer = 0; - pData->iRequesttime = 0; - pData->bSearching = MNG_FALSE; - pData->iRuntime = 0; - pData->iSynctime = pData->fGettickcount (hHandle); - pData->iSuspendtime = 0; - pData->iStarttime = pData->iSynctime; - pData->iEndtime = 0; - -#ifndef MNG_NO_OPEN_CLOSE_STREAM - if (pData->fOpenstream && !pData->fOpenstream (hHandle)) - /* open it and start reading */ - iRetcode = MNG_APPIOERROR; - else -#endif - iRetcode = mng_read_graphic (pData); - - if (pData->bEOF) /* already at EOF ? */ - { - pData->bReading = MNG_FALSE; /* then we're no longer reading */ - mng_drop_invalid_objects (pData); /* drop invalidly stored objects */ - } - - if (iRetcode) /* on error bail out */ - return iRetcode; - - if (pData->bSuspended) /* read suspension ? */ - { - iRetcode = MNG_NEEDMOREDATA; - pData->iSuspendtime = pData->fGettickcount ((mng_handle)pData); - } - else - if (pData->bTimerset) /* indicate timer break ? */ - iRetcode = MNG_NEEDTIMERWAIT; - else - if (pData->bSectionwait) /* indicate section break ? */ - iRetcode = MNG_NEEDSECTIONWAIT; - else - { /* no breaks = end of run */ - pData->bRunning = MNG_FALSE; - - if (pData->bFreezing) /* dynamic MNG reached SEEK ? */ - pData->bFreezing = MNG_FALSE; /* reset it ! */ - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_READDISPLAY, MNG_LC_END); -#endif - - return iRetcode; -} -#endif /* MNG_SUPPORT_DISPLAY && MNG_SUPPORT_READ */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -mng_retcode MNG_DECL mng_display (mng_handle hHandle) -{ - mng_datap pData; /* local vars */ - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle and callbacks */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - -#ifndef MNG_INTERNAL_MEMMNGMT - MNG_VALIDCB (hHandle, fMemalloc) - MNG_VALIDCB (hHandle, fMemfree) -#endif - - MNG_VALIDCB (hHandle, fGetcanvasline) - MNG_VALIDCB (hHandle, fRefresh) - MNG_VALIDCB (hHandle, fGettickcount) - MNG_VALIDCB (hHandle, fSettimer) - - if (pData->bDisplaying) /* valid at this point ? */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - -#ifdef MNG_SUPPORT_READ - if (pData->bReading) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); -#endif - -#ifdef MNG_SUPPORT_WRITE - if ((pData->bWriting) || (pData->bCreating)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); -#endif - - cleanup_errors (pData); /* cleanup previous errors */ - - pData->bDisplaying = MNG_TRUE; /* display! */ - pData->bRunning = MNG_TRUE; - pData->iFrameseq = 0; - pData->iLayerseq = 0; - pData->iFrametime = 0; - pData->iRequestframe = 0; - pData->iRequestlayer = 0; - pData->iRequesttime = 0; - pData->bSearching = MNG_FALSE; - pData->iRuntime = 0; - pData->iSynctime = pData->fGettickcount (hHandle); -#ifdef MNG_SUPPORT_READ - pData->iSuspendtime = 0; -#endif - pData->iStarttime = pData->iSynctime; - pData->iEndtime = 0; - pData->pCurraniobj = pData->pFirstaniobj; - /* go do it */ - iRetcode = mng_process_display (pData); - - if (iRetcode) /* on error bail out */ - return iRetcode; - - if (pData->bTimerset) /* indicate timer break ? */ - iRetcode = MNG_NEEDTIMERWAIT; - else - { /* no breaks = end of run */ - pData->bRunning = MNG_FALSE; - - if (pData->bFreezing) /* dynamic MNG reached SEEK ? */ - pData->bFreezing = MNG_FALSE; /* reset it ! */ - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY, MNG_LC_END); -#endif - - return iRetcode; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -mng_retcode MNG_DECL mng_display_resume (mng_handle hHandle) -{ - mng_datap pData; /* local vars */ - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_RESUME, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - - if (!pData->bDisplaying) /* can we expect this call ? */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - cleanup_errors (pData); /* cleanup previous errors */ - /* was it running ? */ - if ((pData->bRunning) || (pData->bReading)) - { /* are we expecting this call ? */ - if ((pData->bTimerset) || (pData->bSuspended) || (pData->bSectionwait)) - { - pData->bTimerset = MNG_FALSE; /* reset the flags */ - pData->bSectionwait = MNG_FALSE; - -#ifdef MNG_SUPPORT_READ - if (pData->bReading) /* set during read&display ? */ - { - if (pData->bSuspended) /* calculate proper synchronization */ - pData->iSynctime = pData->iSynctime - pData->iSuspendtime + - pData->fGettickcount (hHandle); - else - pData->iSynctime = pData->fGettickcount (hHandle); - - pData->bSuspended = MNG_FALSE; /* now reset this flag */ - /* and continue reading */ - iRetcode = mng_read_graphic (pData); - - if (pData->bEOF) /* already at EOF ? */ - { - pData->bReading = MNG_FALSE; /* then we're no longer reading */ - /* drop invalidly stored objects */ - mng_drop_invalid_objects (pData); - } - } - else -#endif /* MNG_SUPPORT_READ */ - { /* synchronize timing */ - pData->iSynctime = pData->fGettickcount (hHandle); - /* resume display processing */ - iRetcode = mng_process_display (pData); - } - } - else - { - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - } - } - else - { /* synchronize timing */ - pData->iSynctime = pData->fGettickcount (hHandle); - pData->bRunning = MNG_TRUE; /* it's restarted again ! */ - /* resume display processing */ - iRetcode = mng_process_display (pData); - } - - if (iRetcode) /* on error bail out */ - return iRetcode; - - if (pData->bSuspended) /* read suspension ? */ - { - iRetcode = MNG_NEEDMOREDATA; - pData->iSuspendtime = pData->fGettickcount ((mng_handle)pData); - } - else - if (pData->bTimerset) /* indicate timer break ? */ - iRetcode = MNG_NEEDTIMERWAIT; - else - if (pData->bSectionwait) /* indicate section break ? */ - iRetcode = MNG_NEEDSECTIONWAIT; - else - { /* no breaks = end of run */ - pData->bRunning = MNG_FALSE; - - if (pData->bFreezing) /* trying to freeze ? */ - pData->bFreezing = MNG_FALSE; /* then we're there */ - - if (pData->bResetting) /* trying to reset as well ? */ - { /* full stop!!! */ - pData->bDisplaying = MNG_FALSE; - - iRetcode = mng_reset_rundata (pData); - - if (iRetcode) /* on error bail out */ - return iRetcode; - } - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_RESUME, MNG_LC_END); -#endif - - return iRetcode; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -mng_retcode MNG_DECL mng_display_freeze (mng_handle hHandle) -{ - mng_datap pData; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_FREEZE, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - /* can we expect this call ? */ - if ((!pData->bDisplaying) || (pData->bReading)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - cleanup_errors (pData); /* cleanup previous errors */ - - if (pData->bRunning) /* is it running ? */ - { - mng_retcode iRetcode; - - pData->bFreezing = MNG_TRUE; /* indicate we need to freeze */ - /* continue "normal" processing */ - iRetcode = mng_display_resume (hHandle); - - if (iRetcode) /* on error bail out */ - return iRetcode; - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_FREEZE, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -mng_retcode MNG_DECL mng_display_reset (mng_handle hHandle) -{ - mng_datap pData; - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_RESET, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - /* can we expect this call ? */ - if ((!pData->bDisplaying) || (pData->bReading)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - if (!pData->bCacheplayback) /* must store playback info to work!! */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - cleanup_errors (pData); /* cleanup previous errors */ - - if (pData->bRunning) /* is it running ? */ - { - pData->bFreezing = MNG_TRUE; /* indicate we need to freeze */ - pData->bResetting = MNG_TRUE; /* indicate we're about to reset too */ - /* continue normal processing ? */ - iRetcode = mng_display_resume (hHandle); - - if (iRetcode) /* on error bail out */ - return iRetcode; - } - else - { /* full stop!!! */ - pData->bDisplaying = MNG_FALSE; - - iRetcode = mng_reset_rundata (pData); - - if (iRetcode) /* on error bail out */ - return iRetcode; - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_RESET, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -#ifndef MNG_NO_DISPLAY_GO_SUPPORTED -mng_retcode MNG_DECL mng_display_goframe (mng_handle hHandle, - mng_uint32 iFramenr) -{ - mng_datap pData; - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOFRAME, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - - if (pData->eImagetype != mng_it_mng) /* is it an animation ? */ - MNG_ERROR (pData, MNG_NOTANANIMATION); - /* can we expect this call ? */ - if ((!pData->bDisplaying) || (pData->bRunning)) - MNG_ERROR ((mng_datap)hHandle, MNG_FUNCTIONINVALID); - - if (!pData->bCacheplayback) /* must store playback info to work!! */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - if (iFramenr > pData->iTotalframes) /* is the parameter within bounds ? */ - MNG_ERROR (pData, MNG_FRAMENRTOOHIGH); - /* within MHDR bounds ? */ - if ((pData->iFramecount) && (iFramenr > pData->iFramecount)) - MNG_WARNING (pData, MNG_FRAMENRTOOHIGH); - - cleanup_errors (pData); /* cleanup previous errors */ - - if (pData->iFrameseq > iFramenr) /* search from current or go back to start ? */ - { - iRetcode = mng_reset_rundata (pData); - if (iRetcode) /* on error bail out */ - return iRetcode; - } - - if (iFramenr) - { - pData->iRequestframe = iFramenr; /* go find the requested frame then */ - iRetcode = mng_process_display (pData); - - if (iRetcode) /* on error bail out */ - return iRetcode; - - pData->bTimerset = MNG_FALSE; /* reset just to be safe */ - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOFRAME, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -#ifndef MNG_NO_DISPLAY_GO_SUPPORTED -mng_retcode MNG_DECL mng_display_golayer (mng_handle hHandle, - mng_uint32 iLayernr) -{ - mng_datap pData; - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOLAYER, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - - if (pData->eImagetype != mng_it_mng) /* is it an animation ? */ - MNG_ERROR (pData, MNG_NOTANANIMATION); - /* can we expect this call ? */ - if ((!pData->bDisplaying) || (pData->bRunning)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - if (!pData->bCacheplayback) /* must store playback info to work!! */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - if (iLayernr > pData->iTotallayers) /* is the parameter within bounds ? */ - MNG_ERROR (pData, MNG_LAYERNRTOOHIGH); - /* within MHDR bounds ? */ - if ((pData->iLayercount) && (iLayernr > pData->iLayercount)) - MNG_WARNING (pData, MNG_LAYERNRTOOHIGH); - - cleanup_errors (pData); /* cleanup previous errors */ - - if (pData->iLayerseq > iLayernr) /* search from current or go back to start ? */ - { - iRetcode = mng_reset_rundata (pData); - if (iRetcode) /* on error bail out */ - return iRetcode; - } - - if (iLayernr) - { - pData->iRequestlayer = iLayernr; /* go find the requested layer then */ - iRetcode = mng_process_display (pData); - - if (iRetcode) /* on error bail out */ - return iRetcode; - - pData->bTimerset = MNG_FALSE; /* reset just to be safe */ - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOLAYER, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -#ifndef MNG_NO_DISPLAY_GO_SUPPORTED -mng_retcode MNG_DECL mng_display_gotime (mng_handle hHandle, - mng_uint32 iPlaytime) -{ - mng_datap pData; - mng_retcode iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOTIME, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - - if (pData->eImagetype != mng_it_mng) /* is it an animation ? */ - MNG_ERROR (pData, MNG_NOTANANIMATION); - /* can we expect this call ? */ - if ((!pData->bDisplaying) || (pData->bRunning)) - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - if (!pData->bCacheplayback) /* must store playback info to work!! */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - /* is the parameter within bounds ? */ - if (iPlaytime > pData->iTotalplaytime) - MNG_ERROR (pData, MNG_PLAYTIMETOOHIGH); - /* within MHDR bounds ? */ - if ((pData->iPlaytime) && (iPlaytime > pData->iPlaytime)) - MNG_WARNING (pData, MNG_PLAYTIMETOOHIGH); - - cleanup_errors (pData); /* cleanup previous errors */ - - if (pData->iFrametime > iPlaytime) /* search from current or go back to start ? */ - { - iRetcode = mng_reset_rundata (pData); - if (iRetcode) /* on error bail out */ - return iRetcode; - } - - if (iPlaytime) - { - pData->iRequesttime = iPlaytime; /* go find the requested playtime then */ - iRetcode = mng_process_display (pData); - - if (iRetcode) /* on error bail out */ - return iRetcode; - - pData->bTimerset = MNG_FALSE; /* reset just to be safe */ - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOTIME, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_SUPPORT_DYNAMICMNG) -mng_retcode MNG_DECL mng_trapevent (mng_handle hHandle, - mng_uint8 iEventtype, - mng_int32 iX, - mng_int32 iY) -{ - mng_datap pData; - mng_eventp pEvent; - mng_bool bFound = MNG_FALSE; - mng_retcode iRetcode; - mng_imagep pImage; - mng_uint8p pPixel; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_TRAPEVENT, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - - if (pData->eImagetype != mng_it_mng) /* is it an animation ? */ - MNG_ERROR (pData, MNG_NOTANANIMATION); - - if (!pData->bDisplaying) /* can we expect this call ? */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - - if (!pData->bCacheplayback) /* must store playback info to work!! */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID); - /* let's find a matching event object */ - pEvent = (mng_eventp)pData->pFirstevent; - - while ((pEvent) && (!bFound)) - { /* matching eventtype ? */ - if (pEvent->iEventtype == iEventtype) - { - switch (pEvent->iMasktype) /* check X/Y on basis of masktype */ - { - case MNG_MASK_NONE : /* no mask is easy */ - { - bFound = MNG_TRUE; - break; - } - - case MNG_MASK_BOX : /* inside the given box ? */ - { /* right- and bottom-border don't count ! */ - if ((iX >= pEvent->iLeft) && (iX < pEvent->iRight) && - (iY >= pEvent->iTop) && (iY < pEvent->iBottom)) - bFound = MNG_TRUE; - break; - } - - case MNG_MASK_OBJECT : /* non-zero pixel in the image object ? */ - { - pImage = mng_find_imageobject (pData, pEvent->iObjectid); - /* valid image ? */ - if ((pImage) && (pImage->pImgbuf->iBitdepth <= 8) && - ((pImage->pImgbuf->iColortype == 0) || (pImage->pImgbuf->iColortype == 3)) && - ((mng_int32)pImage->pImgbuf->iWidth > iX) && - ((mng_int32)pImage->pImgbuf->iHeight > iY)) - { - pPixel = pImage->pImgbuf->pImgdata + ((pImage->pImgbuf->iWidth * iY) + iX); - - if (*pPixel) /* non-zero ? */ - bFound = MNG_TRUE; - } - - break; - } - - case MNG_MASK_OBJECTIX : /* pixel in the image object matches index ? */ - { - pImage = mng_find_imageobject (pData, pEvent->iObjectid); - /* valid image ? */ - if ((pImage) && (pImage->pImgbuf->iBitdepth <= 8) && - ((pImage->pImgbuf->iColortype == 0) || (pImage->pImgbuf->iColortype == 3)) && - ((mng_int32)pImage->pImgbuf->iWidth > iX) && (iX >= 0) && - ((mng_int32)pImage->pImgbuf->iHeight > iY) && (iY >= 0)) - { - pPixel = pImage->pImgbuf->pImgdata + ((pImage->pImgbuf->iWidth * iY) + iX); - /* matching index ? */ - if (*pPixel == pEvent->iIndex) - bFound = MNG_TRUE; - } - - break; - } - - case MNG_MASK_BOXOBJECT : /* non-zero pixel in the image object ? */ - { - mng_int32 iTempx = iX - pEvent->iLeft; - mng_int32 iTempy = iY - pEvent->iTop; - - pImage = mng_find_imageobject (pData, pEvent->iObjectid); - /* valid image ? */ - if ((pImage) && (pImage->pImgbuf->iBitdepth <= 8) && - ((pImage->pImgbuf->iColortype == 0) || (pImage->pImgbuf->iColortype == 3)) && - (iTempx < (mng_int32)pImage->pImgbuf->iWidth) && - (iTempx >= 0) && (iX < pEvent->iRight) && - (iTempy < (mng_int32)pImage->pImgbuf->iHeight) && - (iTempy >= 0) && (iY < pEvent->iBottom)) - { - pPixel = pImage->pImgbuf->pImgdata + ((pImage->pImgbuf->iWidth * iTempy) + iTempx); - - if (*pPixel) /* non-zero ? */ - bFound = MNG_TRUE; - } - - break; - } - - case MNG_MASK_BOXOBJECTIX : /* pixel in the image object matches index ? */ - { - mng_int32 iTempx = iX - pEvent->iLeft; - mng_int32 iTempy = iY - pEvent->iTop; - - pImage = mng_find_imageobject (pData, pEvent->iObjectid); - /* valid image ? */ - if ((pImage) && (pImage->pImgbuf->iBitdepth <= 8) && - ((pImage->pImgbuf->iColortype == 0) || (pImage->pImgbuf->iColortype == 3)) && - (iTempx < (mng_int32)pImage->pImgbuf->iWidth) && - (iTempx >= 0) && (iX < pEvent->iRight) && - (iTempy < (mng_int32)pImage->pImgbuf->iHeight) && - (iTempy >= 0) && (iY < pEvent->iBottom)) - { - pPixel = pImage->pImgbuf->pImgdata + ((pImage->pImgbuf->iWidth * iTempy) + iTempx); - /* matching index ? */ - if (*pPixel == pEvent->iIndex) - bFound = MNG_TRUE; - } - - break; - } - - } - } - - if (!bFound) /* try the next one */ - pEvent = (mng_eventp)pEvent->sHeader.pNext; - } - /* found one that's not the last mousemove ? */ - if ((pEvent) && ((mng_objectp)pEvent != pData->pLastmousemove)) - { /* can we start an event process now ? */ - if ((!pData->bReading) && (!pData->bRunning)) - { - pData->iEventx = iX; /* save coordinates */ - pData->iEventy = iY; - /* do it then ! */ - iRetcode = pEvent->sHeader.fProcess (pData, pEvent); - - if (iRetcode) /* on error bail out */ - return iRetcode; - /* remember last mousemove event */ - if (pEvent->iEventtype == MNG_EVENT_MOUSEMOVE) - pData->pLastmousemove = (mng_objectp)pEvent; - else - pData->pLastmousemove = MNG_NULL; - } - else - { - - /* TODO: store unprocessed events or not ??? */ - - } - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_TRAPEVENT, MNG_LC_END); -#endif - - return MNG_NOERROR; -} -#endif - -/* ************************************************************************** */ - -mng_retcode MNG_DECL mng_getlasterror (mng_handle hHandle, - mng_int8* iSeverity, - mng_chunkid* iChunkname, - mng_uint32* iChunkseq, - mng_int32* iExtra1, - mng_int32* iExtra2, - mng_pchar* zErrortext) -{ - mng_datap pData; /* local vars */ - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETLASTERROR, MNG_LC_START); -#endif - - MNG_VALIDHANDLE (hHandle) /* check validity handle */ - pData = ((mng_datap)hHandle); /* and make it addressable */ - - *iSeverity = pData->iSeverity; /* return the appropriate fields */ - -#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE) - *iChunkname = pData->iChunkname; - *iChunkseq = pData->iChunkseq; -#else - *iChunkname = MNG_UINT_HUH; - *iChunkseq = 0; -#endif - - *iExtra1 = pData->iErrorx1; - *iExtra2 = pData->iErrorx2; - *zErrortext = pData->zErrortext; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETLASTERROR, MNG_LC_END); -#endif - - return pData->iErrorcode; /* and the errorcode */ -} - -/* ************************************************************************** */ -/* * end of file * */ -/* ************************************************************************** */ - - |