diff options
Diffstat (limited to 'tqtinterface/qt4/src/3rdparty/libmng/libmng_hlapi.c')
| -rw-r--r-- | tqtinterface/qt4/src/3rdparty/libmng/libmng_hlapi.c | 1814 |
1 files changed, 0 insertions, 1814 deletions
diff --git a/tqtinterface/qt4/src/3rdparty/libmng/libmng_hlapi.c b/tqtinterface/qt4/src/3rdparty/libmng/libmng_hlapi.c deleted file mode 100644 index 3689d90..0000000 --- a/tqtinterface/qt4/src/3rdparty/libmng/libmng_hlapi.c +++ /dev/null @@ -1,1814 +0,0 @@ -/* ************************************************************************** */ -/* * For conditions of distribution and use, * */ -/* * see copyright notice in libmng.h * */ -/* ************************************************************************** */ -/* * * */ -/* * project : libmng * */ -/* * file : libmng_hlapi.c copyright (c) 2000 G.Juyn * */ -/* * version : 1.0.2 * */ -/* * * */ -/* * purpose : high-level application API (implementation) * */ -/* * * */ -/* * author : G.Juyn * */ -/* * web : http://www.3-t.com * */ -/* * email : mailto:info@3-t.com * */ -/* * * */ -/* * 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 it's 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 seperate 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 * */ -/* * * */ -/* ************************************************************************** */ - -#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 * */ -/* * * */ -/* ************************************************************************** */ - -#if defined(MNG_SUPPORT_READ) || defined(MNG_SUPPORT_WRITE) -mng_retcode mng_drop_chunks (mng_datap pData) -{ - mng_chunkp pChunk; - mng_chunkp pNext; - mng_cleanupchunk fCleanup; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (pData, MNG_FN_DROP_CHUNKS, MNG_LC_START) -#endif - - pChunk = pData->pFirstchunk; /* and get first stored chunk (if any) */ - - while (pChunk) /* more chunks to discard ? */ - { - pNext = ((mng_chunk_headerp)pChunk)->pNext; - /* call appropriate cleanup */ - fCleanup = ((mng_chunk_headerp)pChunk)->fCleanup; - fCleanup (pData, pChunk); - - pChunk = pNext; /* neeeext */ - } - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (pData, MNG_FN_DROP_CHUNKS, MNG_LC_END) -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_READ || MNG_SUPPORT_WRITE */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -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!!! */ - - 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!!! */ - } - -#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 -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 /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -mng_retcode mng_reset_rundata (mng_datap pData) -{ - drop_invalid_objects (pData); /* drop invalidly stored objects */ - mng_drop_savedata (pData); /* drop stored savedata */ - 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->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->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 */ - - 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; - - pData->iBACKred = 0; /* reset BACK data */ - pData->iBACKgreen = 0; - pData->iBACKblue = 0; - pData->iBACKmandatory = 0; - pData->iBACKimageid = 0; - pData->iBACKtile = 0; - - 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->iSHOWmode = 0; /* reset SHOW data */ - pData->iSHOWfromid = 0; - pData->iSHOWtoid = 0; - pData->iSHOWnextid = 0; - pData->iSHOWskip = 0; - - pData->iGlobalPLTEcount = 0; /* reset global PLTE data */ - - pData->iGlobalTRNSrawlen = 0; /* reset global tRNS data */ - - pData->iGlobalGamma = 0; /* reset global gAMA data */ - - 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; - - pData->iGlobalRendintent = 0; /* reset global sRGB data */ - - if (pData->iGlobalProfilesize) /* drop global profile (if any) */ - MNG_FREE (pData, pData->pGlobalProfile, pData->iGlobalProfilesize) - - pData->iGlobalProfilesize = 0; - - pData->iGlobalBKGDred = 0; /* reset global bKGD data */ - pData->iGlobalBKGDgreen = 0; - pData->iGlobalBKGDblue = 0; - /* 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; - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -void cleanup_errors (mng_datap pData) -{ - pData->iErrorcode = MNG_NOERROR; - pData->iSeverity = 0; - pData->iErrorx1 = 0; - pData->iErrorx2 = 0; - pData->zErrortext = MNG_NULL; - - return; -} - -/* ************************************************************************** */ -/* * * */ -/* * 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; -} - -/* ************************************************************************** */ -/* * * */ -/* * 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; - /* 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->fOpenstream = MNG_NULL; - pData->fClosestream = MNG_NULL; - 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 = 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 particulairs */ -#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; -#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_TQUALITY; - 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 - mng_drop_savedata (pData); /* cleanup saved-data from SAVE/SEEK */ -#endif - -#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_FULL_CMS) - mng_clear_cms (pData); /* cleanup left-over cms stuff if any */ -#endif - -#ifdef 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 - 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)) - 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) -#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) */ - - if (pData->iGlobalProfilesize) /* drop global profile (if any) */ - MNG_FREEX (pData, pData->pGlobalProfile, pData->iGlobalProfilesize) -#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 */ - pData->bPreDraft48 = MNG_FALSE; - /* 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->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; - /* 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; - /* TODO: remove in 1.0.0 !!! */ - pData->bEMNGMAhack = MNG_FALSE; - - 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 = 0; - 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; - /* 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->fInitrowproc = MNG_NULL; - - pData->iPLTEcount = 0; /* no PLTE data */ - - 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; - - pData->iBACKred = 0; /* no BACK data */ - pData->iBACKgreen = 0; - pData->iBACKblue = 0; - pData->iBACKmandatory = 0; - pData->iBACKimageid = 0; - pData->iBACKtile = 0; - - 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->iSHOWmode = 0; /* no SHOW data */ - pData->iSHOWfromid = 0; - pData->iSHOWtoid = 0; - pData->iSHOWnextid = 0; - pData->iSHOWskip = 0; - - pData->iGlobalPLTEcount = 0; /* no global PLTE data */ - - pData->iGlobalTRNSrawlen = 0; /* no global tRNS data */ - - pData->iGlobalGamma = 0; /* no global gAMA data */ - - 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; - - pData->iGlobalRendintent = 0; /* no global sRGB data */ - - pData->iGlobalProfilesize = 0; /* no global iCCP data */ - pData->pGlobalProfile = MNG_NULL; - - pData->iGlobalBKGDred = 0; /* no global bKGD data */ - pData->iGlobalBKGDgreen = 0; - pData->iGlobalBKGDblue = 0; - /* no 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; -#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 */ - free_imageobject (pData, (mng_imagep)pData->pObjzero); -#endif - -#if defined(MNG_SUPPORT_DISPLAY) && defined(MNG_INCLUDE_LCMS) - if (pData->hProf2) /* output profile defined ? */ - mnglcms_freeprofile (pData->hProf2); - - if (pData->hProf3) /* sRGB profile defined ? */ - mnglcms_freeprofile (pData->hProf3); -#endif /* MNG_SUPPORT_DISPLAY && MNG_INCLUDE_LCMS */ - -#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; /* tqinvalidate 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 - - MNG_VALIDCB (hHandle, fOpenstream) - MNG_VALIDCB (hHandle, fClosestream) - 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! */ - - if (!pData->fOpenstream (hHandle)) /* open it and start reading */ - iRetcode = MNG_APPIOERROR; - else - iRetcode = 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_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 = 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 - - MNG_VALIDCB (hHandle, fOpenstream) - MNG_VALIDCB (hHandle, fClosestream) - MNG_VALIDCB (hHandle, fWritedata) - -#ifdef MNG_SUPPORT_READ - if (pData->bReading) /* valid at this point ? */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID) -#endif - - if (pData->bCreating) /* can't write while it's still being made! */ - MNG_ERROR (pData, MNG_FUNCTIONINVALID) - - cleanup_errors (pData); /* cleanup previous errors */ - - iRetcode = 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; - - if (!pData->fOpenstream (hHandle)) /* open it and start reading */ - iRetcode = MNG_APPIOERROR; - else - iRetcode = read_graphic (pData); - - if (pData->bEOF) /* already at EOF ? */ - { - pData->bReading = MNG_FALSE; /* then we're no longer reading */ - 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 - pData->bRunning = MNG_FALSE; /* no breaks = end of run */ - -#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; - - iRetcode = process_display (pData); /* go do it */ - - if (iRetcode) /* on error bail out */ - return iRetcode; - - if (pData->bTimerset) /* indicate timer break ? */ - iRetcode = MNG_NEEDTIMERWAIT; - else - pData->bRunning = MNG_FALSE; /* no breaks = end of run */ - -#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 */ - - if (pData->bRunning) /* was it running ? */ - { /* 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 = read_graphic (pData); - - if (pData->bEOF) /* already at EOF ? */ - { - pData->bReading = MNG_FALSE; /* then we're no longer reading */ - /* drop invalidly stored objects */ - drop_invalid_objects (pData); - } - } - else -#endif /* MNG_SUPPORT_READ */ - { /* synchronize timing */ - pData->iSynctime = pData->fGettickcount (hHandle); - /* resume display processing */ - iRetcode = 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 = 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 ? */ - { /* then we're there ! */ - pData->bFreezing = MNG_FALSE; - } - - 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 -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->iFramecount) /* is the parameter within bounds ? */ - MNG_ERROR (pData, MNG_FRAMENRTOOHIGH); - - cleanup_errors (pData); /* cleanup previous errors */ - - pData->iRequestframe = iFramenr; /* go find the requested frame then */ - iRetcode = process_display (pData); - - if (iRetcode) /* on error bail out */ - return iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOFRAME, MNG_LC_END) -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -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->iLayercount) /* is the parameter within bounds ? */ - MNG_ERROR (pData, MNG_LAYERNRTOOHIGH) - - cleanup_errors (pData); /* cleanup previous errors */ - - pData->iRequestlayer = iLayernr; /* go find the requested layer then */ - iRetcode = process_display (pData); - - if (iRetcode) /* on error bail out */ - return iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOLAYER, MNG_LC_END) -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -#ifdef MNG_SUPPORT_DISPLAY -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) - - if (iPlaytime > pData->iPlaytime) /* is the parameter within bounds ? */ - MNG_ERROR (pData, MNG_PLAYTIMETOOHIGH) - - cleanup_errors (pData); /* cleanup previous errors */ - - pData->iRequesttime = iPlaytime; /* go find the requested playtime then */ - iRetcode = process_display (pData); - - if (iRetcode) /* on error bail out */ - return iRetcode; - -#ifdef MNG_SUPPORT_TRACE - MNG_TRACE (((mng_datap)hHandle), MNG_FN_DISPLAY_GOTIME, MNG_LC_END) -#endif - - return MNG_NOERROR; -} -#endif /* MNG_SUPPORT_DISPLAY */ - -/* ************************************************************************** */ - -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 * */ -/* ************************************************************************** */ - 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