blob: 13114090d6ba95a05df793a2850a8b0ea6d8befe [file] [log] [blame]
/* ************************************************************************** */
/* * For conditions of distribution and use, * */
/* * see copyright notice in libmng.h * */
/* ************************************************************************** */
/* * * */
/* * project : libmng * */
/* * file : libmng_chunk_xs.c copyright (c) 2000-2007 G.Juyn * */
/* * version : 1.0.10 * */
/* * * */
/* * purpose : chunk access functions (implementation) * */
/* * * */
/* * author : G.Juyn * */
/* * * */
/* * comment : implementation of the chunk access functions * */
/* * * */
/* * changes : 0.5.1 - 05/06/2000 - G.Juyn * */
/* * - changed and filled iterate-chunk function * */
/* * 0.5.1 - 05/08/2000 - G.Juyn * */
/* * - fixed calling convention * */
/* * - added getchunk functions * */
/* * - added putchunk functions * */
/* * - changed strict-ANSI stuff * */
/* * 0.5.1 - 05/11/2000 - G.Juyn * */
/* * - added empty-chunk put-routines * */
/* * 0.5.1 - 05/12/2000 - G.Juyn * */
/* * - changed trace to macro for callback error-reporting * */
/* * 0.5.1 - 05/15/2000 - G.Juyn * */
/* * - added getimgdata & putimgdata functions * */
/* * * */
/* * 0.5.2 - 05/19/2000 - G.Juyn * */
/* * - B004 - fixed problem with MNG_SUPPORT_WRITE not defined * */
/* * also for MNG_SUPPORT_WRITE without MNG_INCLUDE_JNG * */
/* * - Cleaned up some code regarding mixed support * */
/* * * */
/* * 0.9.1 - 07/19/2000 - G.Juyn * */
/* * - fixed creation-code * */
/* * * */
/* * 0.9.2 - 08/05/2000 - G.Juyn * */
/* * - changed file-prefixes * */
/* * - added function to set simplicity field * */
/* * - fixed putchunk_unknown() function * */
/* * * */
/* * 0.9.3 - 08/07/2000 - G.Juyn * */
/* * - B111300 - fixup for improved portability * */
/* * 0.9.3 - 08/26/2000 - G.Juyn * */
/* * - added MAGN chunk * */
/* * 0.9.3 - 10/20/2000 - G.Juyn * */
/* * - fixed putchunk_plte() to set bEmpty parameter * */
/* * * */
/* * 0.9.5 - 01/25/2001 - G.Juyn * */
/* * - fixed some small compiler warnings (thanks Nikki) * */
/* * * */
/* * 1.0.5 - 09/07/2002 - G.Juyn * */
/* * - B578940 - unimplemented functions return errorcode * */
/* * 1.0.5 - 08/19/2002 - G.Juyn * */
/* * - B597134 - libmng pollutes the linker namespace * */
/* * - added HLAPI function to copy chunks * */
/* * 1.0.5 - 09/14/2002 - G.Juyn * */
/* * - added event handling for dynamic MNG * */
/* * 1.0.5 - 10/07/2002 - G.Juyn * */
/* * - added check for TERM placement during create/write * */
/* * 1.0.5 - 11/28/2002 - G.Juyn * */
/* * - fixed definition of iMethodX/Y for MAGN chunk * */
/* * * */
/* * 1.0.6 - 05/25/2003 - G.R-P * */
/* * - added MNG_SKIPCHUNK_cHNK footprint optimizations * */
/* * 1.0.6 - 07/07/2003 - G.R-P * */
/* * - added MNG_NO_DELTA_PNG reduction and more SKIPCHUNK * */
/* * optimizations * */
/* * 1.0.6 - 07/29/2003 - G.R-P * */
/* * - added conditionals around PAST chunk support * */
/* * 1.0.6 - 08/17/2003 - G.R-P * */
/* * - added conditionals around non-VLC chunk support * */
/* * * */
/* * 1.0.8 - 04/01/2004 - G.Juyn * */
/* * - added missing get-/put-chunk-jdaa * */
/* * 1.0.8 - 08/02/2004 - G.Juyn * */
/* * - added conditional to allow easier writing of large MNG's * */
/* * * */
/* * 1.0.9 - 09/17/2004 - G.R-P * */
/* * - added two more conditionals * */
/* * 1.0.9 - 09/25/2004 - G.Juyn * */
/* * - replaced MNG_TWEAK_LARGE_FILES with permanent solution * */
/* * 1.0.9 - 17/14/2004 - G.Juyn * */
/* * - fixed PPLT getchunk/putchunk routines * */
/* * 1.0.9 - 12/05/2004 - G.Juyn * */
/* * - added conditional MNG_OPTIMIZE_CHUNKINITFREE * */
/* * 1.0.9 - 12/20/2004 - G.Juyn * */
/* * - cleaned up macro-invocations (thanks to D. Airlie) * */
/* * * */
/* * 1.0.10 - 04/08/2007 - G.Juyn * */
/* * - added support for mPNG proposal * */
/* * * */
/* ************************************************************************** */
#include "libmng.h"
#include "libmng_data.h"
#include "libmng_error.h"
#include "libmng_trace.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#include "libmng_memory.h"
#include "libmng_chunks.h"
#ifdef MNG_OPTIMIZE_CHUNKREADER
#include "libmng_chunk_descr.h"
#endif
#include "libmng_chunk_prc.h"
#include "libmng_chunk_io.h"
#if defined(__BORLANDC__) && defined(MNG_STRICT_ANSI)
#pragma option -A /* force ANSI-C */
#endif
/* ************************************************************************** */
#ifdef MNG_ACCESS_CHUNKS
/* ************************************************************************** */
mng_retcode MNG_DECL mng_iterate_chunks (mng_handle hHandle,
mng_uint32 iChunkseq,
mng_iteratechunk fProc)
{
mng_uint32 iSeq;
mng_chunkid iChunkname;
mng_datap pData;
mng_chunkp pChunk;
mng_bool bCont;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_ITERATE_CHUNKS, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = ((mng_datap)hHandle); /* and make it addressable */
iSeq = 0;
bCont = MNG_TRUE;
pChunk = pData->pFirstchunk; /* get the first chunk */
/* as long as there are some more */
while ((pChunk) && (bCont)) /* and the app didn't signal a stop */
{
if (iSeq >= iChunkseq) /* reached the first target ? */
{ /* then call this and next ones back in... */
iChunkname = ((mng_chunk_headerp)pChunk)->iChunkname;
bCont = fProc (hHandle, (mng_handle)pChunk, iChunkname, iSeq);
}
iSeq++; /* next one */
pChunk = ((mng_chunk_headerp)pChunk)->pNext;
}
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_ITERATE_CHUNKS, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
#ifdef MNG_SUPPORT_WRITE
mng_retcode MNG_DECL mng_copy_chunk (mng_handle hHandle,
mng_handle hChunk,
mng_handle hHandleOut)
{
mng_datap pDataOut;
mng_chunkp pChunk;
mng_chunkp pChunkOut;
mng_retcode iRetcode;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_COPY_CHUNK, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handles */
MNG_VALIDHANDLE (hHandleOut)
pDataOut = (mng_datap)hHandleOut; /* make outhandle addressable */
pChunk = (mng_chunkp)hChunk; /* address the chunk */
if (!pDataOut->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pDataOut, MNG_FUNCTIONINVALID)
/* create a new chunk */
iRetcode = ((mng_createchunk)((mng_chunk_headerp)pChunk)->fCreate)
(pDataOut, ((mng_chunk_headerp)pChunk), &pChunkOut);
if (!iRetcode) /* assign the chunk-specific data */
iRetcode = ((mng_assignchunk)((mng_chunk_headerp)pChunk)->fAssign)
(pDataOut, pChunkOut, pChunk);
if (iRetcode) /* on error bail out */
return iRetcode;
mng_add_chunk (pDataOut, pChunkOut); /* and put it in the output-stream */
/* could it be the end of the chain ? */
if (((mng_chunk_headerp)pChunkOut)->iChunkname == MNG_UINT_IEND)
{
#ifdef MNG_INCLUDE_JNG
if ((pDataOut->iFirstchunkadded == MNG_UINT_IHDR) ||
(pDataOut->iFirstchunkadded == MNG_UINT_JHDR) )
#else
if (pDataOut->iFirstchunkadded == MNG_UINT_IHDR)
#endif
pDataOut->bCreating = MNG_FALSE; /* right; this should be the last chunk !!! */
}
if (((mng_chunk_headerp)pChunkOut)->iChunkname == MNG_UINT_MEND)
pDataOut->bCreating = MNG_FALSE; /* definitely this should be the last !!! */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_COPY_CHUNK, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif /* MNG_SUPPORT_WRITE */
/* ************************************************************************** */
mng_retcode MNG_DECL mng_getchunk_ihdr (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iWidth,
mng_uint32 *iHeight,
mng_uint8 *iBitdepth,
mng_uint8 *iColortype,
mng_uint8 *iCompression,
mng_uint8 *iFilter,
mng_uint8 *iInterlace)
{
mng_datap pData;
mng_ihdrp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_IHDR, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_ihdrp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_IHDR)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iWidth = pChunk->iWidth; /* fill the fields */
*iHeight = pChunk->iHeight;
*iBitdepth = pChunk->iBitdepth;
*iColortype = pChunk->iColortype;
*iCompression = pChunk->iCompression;
*iFilter = pChunk->iFilter;
*iInterlace = pChunk->iInterlace;
/* fill the chunk */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_IHDR, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_getchunk_plte (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iCount,
mng_palette8 *aPalette)
{
mng_datap pData;
mng_pltep pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PLTE, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_pltep)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_PLTE)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iCount = pChunk->iEntrycount; /* fill the fields */
MNG_COPY (*aPalette, pChunk->aEntries, sizeof (mng_palette8));
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PLTE, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_getchunk_idat (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iRawlen,
mng_ptr *pRawdata)
{
mng_datap pData;
mng_idatp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_IDAT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_idatp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_IDAT)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iRawlen = pChunk->iDatasize; /* fill the fields */
*pRawdata = pChunk->pData;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_IDAT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_getchunk_trns (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_bool *bGlobal,
mng_uint8 *iType,
mng_uint32 *iCount,
mng_uint8arr *aAlphas,
mng_uint16 *iGray,
mng_uint16 *iRed,
mng_uint16 *iGreen,
mng_uint16 *iBlue,
mng_uint32 *iRawlen,
mng_uint8arr *aRawdata)
{
mng_datap pData;
mng_trnsp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_TRNS, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_trnsp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_tRNS)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*bGlobal = pChunk->bGlobal;
*iType = pChunk->iType;
*iCount = pChunk->iCount;
*iGray = pChunk->iGray;
*iRed = pChunk->iRed;
*iGreen = pChunk->iGreen;
*iBlue = pChunk->iBlue;
*iRawlen = pChunk->iRawlen;
MNG_COPY (*aAlphas, pChunk->aEntries, sizeof (mng_uint8arr));
MNG_COPY (*aRawdata, pChunk->aRawdata, sizeof (mng_uint8arr));
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_TRNS, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_gAMA
mng_retcode MNG_DECL mng_getchunk_gama (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint32 *iGamma)
{
mng_datap pData;
mng_gamap pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_GAMA, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_gamap)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_gAMA)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iGamma = pChunk->iGamma;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_GAMA, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_cHRM
mng_retcode MNG_DECL mng_getchunk_chrm (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint32 *iWhitepointx,
mng_uint32 *iWhitepointy,
mng_uint32 *iRedx,
mng_uint32 *iRedy,
mng_uint32 *iGreenx,
mng_uint32 *iGreeny,
mng_uint32 *iBluex,
mng_uint32 *iBluey)
{
mng_datap pData;
mng_chrmp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_CHRM, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_chrmp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_cHRM)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iWhitepointx = pChunk->iWhitepointx;
*iWhitepointy = pChunk->iWhitepointy;
*iRedx = pChunk->iRedx;
*iRedy = pChunk->iRedy;
*iGreenx = pChunk->iGreenx;
*iGreeny = pChunk->iGreeny;
*iBluex = pChunk->iBluex;
*iBluey = pChunk->iBluey;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_CHRM, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_sRGB
mng_retcode MNG_DECL mng_getchunk_srgb (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint8 *iRenderingintent)
{
mng_datap pData;
mng_srgbp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SRGB, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_srgbp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_sRGB)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iRenderingintent = pChunk->iRenderingintent;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SRGB, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_iCCP
mng_retcode MNG_DECL mng_getchunk_iccp (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint32 *iNamesize,
mng_pchar *zName,
mng_uint8 *iCompression,
mng_uint32 *iProfilesize,
mng_ptr *pProfile)
{
mng_datap pData;
mng_iccpp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ICCP, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_iccpp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_iCCP)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iNamesize = pChunk->iNamesize;
*zName = pChunk->zName;
*iCompression = pChunk->iCompression;
*iProfilesize = pChunk->iProfilesize;
*pProfile = pChunk->pProfile;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ICCP, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_tEXt
mng_retcode MNG_DECL mng_getchunk_text (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iKeywordsize,
mng_pchar *zKeyword,
mng_uint32 *iTextsize,
mng_pchar *zText)
{
mng_datap pData;
mng_textp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_TEXT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_textp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_tEXt)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
/* fill the fields */
*iKeywordsize = pChunk->iKeywordsize;
*zKeyword = pChunk->zKeyword;
*iTextsize = pChunk->iTextsize;
*zText = pChunk->zText;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_TEXT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_zTXt
mng_retcode MNG_DECL mng_getchunk_ztxt (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iKeywordsize,
mng_pchar *zKeyword,
mng_uint8 *iCompression,
mng_uint32 *iTextsize,
mng_pchar *zText)
{
mng_datap pData;
mng_ztxtp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ZTXT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_ztxtp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_zTXt)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
/* fill the fields */
*iKeywordsize = pChunk->iKeywordsize;
*zKeyword = pChunk->zKeyword;
*iCompression = pChunk->iCompression;
*iTextsize = pChunk->iTextsize;
*zText = pChunk->zText;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ZTXT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_iTXt
mng_retcode MNG_DECL mng_getchunk_itxt (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iKeywordsize,
mng_pchar *zKeyword,
mng_uint8 *iCompressionflag,
mng_uint8 *iCompressionmethod,
mng_uint32 *iLanguagesize,
mng_pchar *zLanguage,
mng_uint32 *iTranslationsize,
mng_pchar *zTranslation,
mng_uint32 *iTextsize,
mng_pchar *zText)
{
mng_datap pData;
mng_itxtp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ITXT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_itxtp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_iTXt)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
/* fill the fields */
*iKeywordsize = pChunk->iKeywordsize;
*zKeyword = pChunk->zKeyword;
*iCompressionflag = pChunk->iCompressionflag;
*iCompressionmethod = pChunk->iCompressionmethod;
*iLanguagesize = pChunk->iLanguagesize;
*zLanguage = pChunk->zLanguage;
*iTranslationsize = pChunk->iTranslationsize;
*zTranslation = pChunk->zTranslation;
*iTextsize = pChunk->iTextsize;
*zText = pChunk->zText;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ITXT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_bKGD
mng_retcode MNG_DECL mng_getchunk_bkgd (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint8 *iType,
mng_uint8 *iIndex,
mng_uint16 *iGray,
mng_uint16 *iRed,
mng_uint16 *iGreen,
mng_uint16 *iBlue)
{
mng_datap pData;
mng_bkgdp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_BKGD, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_bkgdp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_bKGD)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iType = pChunk->iType;
*iIndex = pChunk->iIndex;
*iGray = pChunk->iGray;
*iRed = pChunk->iRed;
*iGreen = pChunk->iGreen;
*iBlue = pChunk->iBlue;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_BKGD, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_pHYs
mng_retcode MNG_DECL mng_getchunk_phys (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint32 *iSizex,
mng_uint32 *iSizey,
mng_uint8 *iUnit)
{
mng_datap pData;
mng_physp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PHYS, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_physp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_pHYs)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iSizex = pChunk->iSizex;
*iSizey = pChunk->iSizey;
*iUnit = pChunk->iUnit;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PHYS, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_sBIT
mng_retcode MNG_DECL mng_getchunk_sbit (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint8 *iType,
mng_uint8arr4 *aBits)
{
mng_datap pData;
mng_sbitp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SBIT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_sbitp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_sBIT)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty;
*iType = pChunk->iType;
(*aBits)[0] = pChunk->aBits[0];
(*aBits)[1] = pChunk->aBits[1];
(*aBits)[2] = pChunk->aBits[2];
(*aBits)[3] = pChunk->aBits[3];
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SBIT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_sPLT
mng_retcode MNG_DECL mng_getchunk_splt (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint32 *iNamesize,
mng_pchar *zName,
mng_uint8 *iSampledepth,
mng_uint32 *iEntrycount,
mng_ptr *pEntries)
{
mng_datap pData;
mng_spltp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SPLT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_spltp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_sPLT)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iNamesize = pChunk->iNamesize;
*zName = pChunk->zName;
*iSampledepth = pChunk->iSampledepth;
*iEntrycount = pChunk->iEntrycount;
*pEntries = pChunk->pEntries;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SPLT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_hIST
mng_retcode MNG_DECL mng_getchunk_hist (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iEntrycount,
mng_uint16arr *aEntries)
{
mng_datap pData;
mng_histp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_HIST, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_histp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_hIST)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iEntrycount = pChunk->iEntrycount; /* fill the fields */
MNG_COPY (*aEntries, pChunk->aEntries, sizeof (mng_uint16arr));
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_HIST, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_tIME
mng_retcode MNG_DECL mng_getchunk_time (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iYear,
mng_uint8 *iMonth,
mng_uint8 *iDay,
mng_uint8 *iHour,
mng_uint8 *iMinute,
mng_uint8 *iSecond)
{
mng_datap pData;
mng_timep pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_TIME, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_timep)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_tIME)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iYear = pChunk->iYear; /* fill the fields */
*iMonth = pChunk->iMonth;
*iDay = pChunk->iDay;
*iHour = pChunk->iHour;
*iMinute = pChunk->iMinute;
*iSecond = pChunk->iSecond;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_TIME, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
mng_retcode MNG_DECL mng_getchunk_mhdr (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iWidth,
mng_uint32 *iHeight,
mng_uint32 *iTicks,
mng_uint32 *iLayercount,
mng_uint32 *iFramecount,
mng_uint32 *iPlaytime,
mng_uint32 *iSimplicity)
{
mng_datap pData;
mng_mhdrp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MHDR, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_mhdrp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_MHDR)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iWidth = pChunk->iWidth; /* fill the fields */
*iHeight = pChunk->iHeight;
*iTicks = pChunk->iTicks;
*iLayercount = pChunk->iLayercount;
*iFramecount = pChunk->iFramecount;
*iPlaytime = pChunk->iPlaytime;
*iSimplicity = pChunk->iSimplicity;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MHDR, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_LOOP
mng_retcode MNG_DECL mng_getchunk_loop (mng_handle hHandle,
mng_handle hChunk,
mng_uint8 *iLevel,
mng_uint32 *iRepeat,
mng_uint8 *iTermination,
mng_uint32 *iItermin,
mng_uint32 *iItermax,
mng_uint32 *iCount,
mng_uint32p *pSignals)
{
mng_datap pData;
mng_loopp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_LOOP, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_loopp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_LOOP)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iLevel = pChunk->iLevel; /* fill teh fields */
*iRepeat = pChunk->iRepeat;
*iTermination = pChunk->iTermination;
*iItermin = pChunk->iItermin;
*iItermax = pChunk->iItermax;
*iCount = pChunk->iCount;
*pSignals = pChunk->pSignals;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_LOOP, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_getchunk_endl (mng_handle hHandle,
mng_handle hChunk,
mng_uint8 *iLevel)
{
mng_datap pData;
mng_endlp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ENDL, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_endlp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_ENDL)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iLevel = pChunk->iLevel; /* fill the field */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ENDL, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_DEFI
mng_retcode MNG_DECL mng_getchunk_defi (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iObjectid,
mng_uint8 *iDonotshow,
mng_uint8 *iConcrete,
mng_bool *bHasloca,
mng_int32 *iXlocation,
mng_int32 *iYlocation,
mng_bool *bHasclip,
mng_int32 *iLeftcb,
mng_int32 *iRightcb,
mng_int32 *iTopcb,
mng_int32 *iBottomcb)
{
mng_datap pData;
mng_defip pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DEFI, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_defip)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_DEFI)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iObjectid = pChunk->iObjectid; /* fill the fields */
*iDonotshow = pChunk->iDonotshow;
*iConcrete = pChunk->iConcrete;
*bHasloca = pChunk->bHasloca;
*iXlocation = pChunk->iXlocation;
*iYlocation = pChunk->iYlocation;
*bHasclip = pChunk->bHasclip;
*iLeftcb = pChunk->iLeftcb;
*iRightcb = pChunk->iRightcb;
*iTopcb = pChunk->iTopcb;
*iBottomcb = pChunk->iBottomcb;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DEFI, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_BASI
mng_retcode MNG_DECL mng_getchunk_basi (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iWidth,
mng_uint32 *iHeight,
mng_uint8 *iBitdepth,
mng_uint8 *iColortype,
mng_uint8 *iCompression,
mng_uint8 *iFilter,
mng_uint8 *iInterlace,
mng_uint16 *iRed,
mng_uint16 *iGreen,
mng_uint16 *iBlue,
mng_uint16 *iAlpha,
mng_uint8 *iViewable)
{
mng_datap pData;
mng_basip pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_BASI, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_basip)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_BASI)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iWidth = pChunk->iWidth; /* fill the fields */
*iHeight = pChunk->iHeight;
*iBitdepth = pChunk->iBitdepth;
*iColortype = pChunk->iColortype;
*iCompression = pChunk->iCompression;
*iFilter = pChunk->iFilter;
*iInterlace = pChunk->iInterlace;
*iRed = pChunk->iRed;
*iGreen = pChunk->iGreen;
*iBlue = pChunk->iBlue;
*iAlpha = pChunk->iAlpha;
*iViewable = pChunk->iViewable;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_BASI, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_CLON
mng_retcode MNG_DECL mng_getchunk_clon (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iSourceid,
mng_uint16 *iCloneid,
mng_uint8 *iClonetype,
mng_uint8 *iDonotshow,
mng_uint8 *iConcrete,
mng_bool *bHasloca,
mng_uint8 *iLocationtype,
mng_int32 *iLocationx,
mng_int32 *iLocationy)
{
mng_datap pData;
mng_clonp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_CLON, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_clonp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_CLON)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iSourceid = pChunk->iSourceid; /* fill the fields */
*iCloneid = pChunk->iCloneid;
*iClonetype = pChunk->iClonetype;
*iDonotshow = pChunk->iDonotshow;
*iConcrete = pChunk->iConcrete;
*bHasloca = pChunk->bHasloca;
*iLocationtype = pChunk->iLocationtype;
*iLocationx = pChunk->iLocationx;
*iLocationy = pChunk->iLocationy;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_CLON, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_PAST
mng_retcode MNG_DECL mng_getchunk_past (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iDestid,
mng_uint8 *iTargettype,
mng_int32 *iTargetx,
mng_int32 *iTargety,
mng_uint32 *iCount)
{
mng_datap pData;
mng_pastp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PAST, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_pastp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_PAST)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iDestid = pChunk->iDestid; /* fill the fields */
*iTargettype = pChunk->iTargettype;
*iTargetx = pChunk->iTargetx;
*iTargety = pChunk->iTargety;
*iCount = pChunk->iCount;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PAST, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_PAST
mng_retcode MNG_DECL mng_getchunk_past_src (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 iEntry,
mng_uint16 *iSourceid,
mng_uint8 *iComposition,
mng_uint8 *iOrientation,
mng_uint8 *iOffsettype,
mng_int32 *iOffsetx,
mng_int32 *iOffsety,
mng_uint8 *iBoundarytype,
mng_int32 *iBoundaryl,
mng_int32 *iBoundaryr,
mng_int32 *iBoundaryt,
mng_int32 *iBoundaryb)
{
mng_datap pData;
mng_pastp pChunk;
mng_past_sourcep pEntry;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PAST_SRC, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_pastp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_PAST)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
if (iEntry >= pChunk->iCount) /* valid index ? */
MNG_ERROR (pData, MNG_INVALIDENTRYIX)
/* address the entry */
pEntry = pChunk->pSources + iEntry;
*iSourceid = pEntry->iSourceid; /* fill the fields */
*iComposition = pEntry->iComposition;
*iOrientation = pEntry->iOrientation;
*iOffsettype = pEntry->iOffsettype;
*iOffsetx = pEntry->iOffsetx;
*iOffsety = pEntry->iOffsety;
*iBoundarytype = pEntry->iBoundarytype;
*iBoundaryl = pEntry->iBoundaryl;
*iBoundaryr = pEntry->iBoundaryr;
*iBoundaryt = pEntry->iBoundaryt;
*iBoundaryb = pEntry->iBoundaryb;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PAST_SRC, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_DISC
mng_retcode MNG_DECL mng_getchunk_disc (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iCount,
mng_uint16p *pObjectids)
{
mng_datap pData;
mng_discp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DISC, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_discp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_DISC)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iCount = pChunk->iCount; /* fill the fields */
*pObjectids = pChunk->pObjectids;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DISC, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_BACK
mng_retcode MNG_DECL mng_getchunk_back (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iRed,
mng_uint16 *iGreen,
mng_uint16 *iBlue,
mng_uint8 *iMandatory,
mng_uint16 *iImageid,
mng_uint8 *iTile)
{
mng_datap pData;
mng_backp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_BACK, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_backp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_BACK)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iRed = pChunk->iRed; /* fill the fields */
*iGreen = pChunk->iGreen;
*iBlue = pChunk->iBlue;
*iMandatory = pChunk->iMandatory;
*iImageid = pChunk->iImageid;
*iTile = pChunk->iTile;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_BACK, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_FRAM
mng_retcode MNG_DECL mng_getchunk_fram (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint8 *iMode,
mng_uint32 *iNamesize,
mng_pchar *zName,
mng_uint8 *iChangedelay,
mng_uint8 *iChangetimeout,
mng_uint8 *iChangeclipping,
mng_uint8 *iChangesyncid,
mng_uint32 *iDelay,
mng_uint32 *iTimeout,
mng_uint8 *iBoundarytype,
mng_int32 *iBoundaryl,
mng_int32 *iBoundaryr,
mng_int32 *iBoundaryt,
mng_int32 *iBoundaryb,
mng_uint32 *iCount,
mng_uint32p *pSyncids)
{
mng_datap pData;
mng_framp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_FRAM, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_framp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_FRAM)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iMode = pChunk->iMode;
*iNamesize = pChunk->iNamesize;
*zName = pChunk->zName;
*iChangedelay = pChunk->iChangedelay;
*iChangetimeout = pChunk->iChangetimeout;
*iChangeclipping = pChunk->iChangeclipping;
*iChangesyncid = pChunk->iChangesyncid;
*iDelay = pChunk->iDelay;
*iTimeout = pChunk->iTimeout;
*iBoundarytype = pChunk->iBoundarytype;
*iBoundaryl = pChunk->iBoundaryl;
*iBoundaryr = pChunk->iBoundaryr;
*iBoundaryt = pChunk->iBoundaryt;
*iBoundaryb = pChunk->iBoundaryb;
*iCount = pChunk->iCount;
*pSyncids = pChunk->pSyncids;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_FRAM, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_MOVE
mng_retcode MNG_DECL mng_getchunk_move (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iFirstid,
mng_uint16 *iLastid,
mng_uint8 *iMovetype,
mng_int32 *iMovex,
mng_int32 *iMovey)
{
mng_datap pData;
mng_movep pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MOVE, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_movep)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_MOVE)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iFirstid = pChunk->iFirstid; /* fill the fields */
*iLastid = pChunk->iLastid;
*iMovetype = pChunk->iMovetype;
*iMovex = pChunk->iMovex;
*iMovey = pChunk->iMovey;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MOVE, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_CLIP
mng_retcode MNG_DECL mng_getchunk_clip (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iFirstid,
mng_uint16 *iLastid,
mng_uint8 *iCliptype,
mng_int32 *iClipl,
mng_int32 *iClipr,
mng_int32 *iClipt,
mng_int32 *iClipb)
{
mng_datap pData;
mng_clipp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_CLIP, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_clipp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_CLIP)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iFirstid = pChunk->iFirstid; /* fill the fields */
*iLastid = pChunk->iLastid;
*iCliptype = pChunk->iCliptype;
*iClipl = pChunk->iClipl;
*iClipr = pChunk->iClipr;
*iClipt = pChunk->iClipt;
*iClipb = pChunk->iClipb;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_CLIP, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_SHOW
mng_retcode MNG_DECL mng_getchunk_show (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint16 *iFirstid,
mng_uint16 *iLastid,
mng_uint8 *iMode)
{
mng_datap pData;
mng_showp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SHOW, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_showp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_SHOW)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iFirstid = pChunk->iFirstid;
*iLastid = pChunk->iLastid;
*iMode = pChunk->iMode;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SHOW, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_TERM
mng_retcode MNG_DECL mng_getchunk_term (mng_handle hHandle,
mng_handle hChunk,
mng_uint8 *iTermaction,
mng_uint8 *iIteraction,
mng_uint32 *iDelay,
mng_uint32 *iItermax)
{
mng_datap pData;
mng_termp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_TERM, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_termp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_TERM)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iTermaction = pChunk->iTermaction; /* fill the fields */
*iIteraction = pChunk->iIteraction;
*iDelay = pChunk->iDelay;
*iItermax = pChunk->iItermax;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_TERM, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_SAVE
mng_retcode MNG_DECL mng_getchunk_save (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint8 *iOffsettype,
mng_uint32 *iCount)
{
mng_datap pData;
mng_savep pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SAVE, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_savep)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_SAVE)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iOffsettype = pChunk->iOffsettype;
*iCount = pChunk->iCount;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SAVE, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_getchunk_save_entry (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 iEntry,
mng_uint8 *iEntrytype,
mng_uint32arr2 *iOffset,
mng_uint32arr2 *iStarttime,
mng_uint32 *iLayernr,
mng_uint32 *iFramenr,
mng_uint32 *iNamesize,
mng_pchar *zName)
{
mng_datap pData;
mng_savep pChunk;
mng_save_entryp pEntry;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SAVE_ENTRY, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_savep)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_SAVE)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
if (iEntry >= pChunk->iCount) /* valid index ? */
MNG_ERROR (pData, MNG_INVALIDENTRYIX)
pEntry = pChunk->pEntries + iEntry; /* address the entry */
/* fill the fields */
*iEntrytype = pEntry->iEntrytype;
(*iOffset)[0] = pEntry->iOffset[0];
(*iOffset)[1] = pEntry->iOffset[1];
(*iStarttime)[0] = pEntry->iStarttime[0];
(*iStarttime)[1] = pEntry->iStarttime[1];
*iLayernr = pEntry->iLayernr;
*iFramenr = pEntry->iFramenr;
*iNamesize = pEntry->iNamesize;
*zName = pEntry->zName;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SAVE_ENTRY, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_SEEK
mng_retcode MNG_DECL mng_getchunk_seek (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iNamesize,
mng_pchar *zName)
{
mng_datap pData;
mng_seekp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SEEK, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_seekp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_SEEK)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iNamesize = pChunk->iNamesize; /* fill the fields */
*zName = pChunk->zName;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_SEEK, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_eXPI
mng_retcode MNG_DECL mng_getchunk_expi (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iSnapshotid,
mng_uint32 *iNamesize,
mng_pchar *zName)
{
mng_datap pData;
mng_expip pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_EXPI, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_expip)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_eXPI)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iSnapshotid = pChunk->iSnapshotid; /* fill the fields */
*iNamesize = pChunk->iNamesize;
*zName = pChunk->zName;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_EXPI, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_fPRI
mng_retcode MNG_DECL mng_getchunk_fpri (mng_handle hHandle,
mng_handle hChunk,
mng_uint8 *iDeltatype,
mng_uint8 *iPriority)
{
mng_datap pData;
mng_fprip pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_FPRI, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_fprip)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_fPRI)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iDeltatype = pChunk->iDeltatype; /* fill the fields */
*iPriority = pChunk->iPriority;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_FPRI, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_nEED
mng_retcode MNG_DECL mng_getchunk_need (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iKeywordssize,
mng_pchar *zKeywords)
{
mng_datap pData;
mng_needp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_NEED, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_needp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_nEED)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
/* fill the fields */
*iKeywordssize = pChunk->iKeywordssize;
*zKeywords = pChunk->zKeywords;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_NEED, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_pHYg
mng_retcode MNG_DECL mng_getchunk_phyg (mng_handle hHandle,
mng_handle hChunk,
mng_bool *bEmpty,
mng_uint32 *iSizex,
mng_uint32 *iSizey,
mng_uint8 *iUnit)
{
mng_datap pData;
mng_phygp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PHYG, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_phygp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_pHYg)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*bEmpty = pChunk->bEmpty; /* fill the fields */
*iSizex = pChunk->iSizex;
*iSizey = pChunk->iSizey;
*iUnit = pChunk->iUnit;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PHYG, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifdef MNG_INCLUDE_JNG
mng_retcode MNG_DECL mng_getchunk_jhdr (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iWidth,
mng_uint32 *iHeight,
mng_uint8 *iColortype,
mng_uint8 *iImagesampledepth,
mng_uint8 *iImagecompression,
mng_uint8 *iImageinterlace,
mng_uint8 *iAlphasampledepth,
mng_uint8 *iAlphacompression,
mng_uint8 *iAlphafilter,
mng_uint8 *iAlphainterlace)
{
mng_datap pData;
mng_jhdrp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_JHDR, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_jhdrp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_JHDR)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iWidth = pChunk->iWidth; /* fill the fields */
*iHeight = pChunk->iHeight;
*iColortype = pChunk->iColortype;
*iImagesampledepth = pChunk->iImagesampledepth;
*iImagecompression = pChunk->iImagecompression;
*iImageinterlace = pChunk->iImageinterlace;
*iAlphasampledepth = pChunk->iAlphasampledepth;
*iAlphacompression = pChunk->iAlphacompression;
*iAlphafilter = pChunk->iAlphafilter;
*iAlphainterlace = pChunk->iAlphainterlace;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_JHDR, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif /* MNG_INCLUDE_JNG */
/* ************************************************************************** */
#ifdef MNG_INCLUDE_JNG
mng_retcode MNG_DECL mng_getchunk_jdat (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iRawlen,
mng_ptr *pRawdata)
{
mng_datap pData;
mng_jdatp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_JDAT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_jdatp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_JDAT)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iRawlen = pChunk->iDatasize; /* fill the fields */
*pRawdata = pChunk->pData;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_JDAT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif /* MNG_INCLUDE_JNG */
/* ************************************************************************** */
#ifdef MNG_INCLUDE_JNG
mng_retcode MNG_DECL mng_getchunk_jdaa (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iRawlen,
mng_ptr *pRawdata)
{
mng_datap pData;
mng_jdaap pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_JDAA, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_jdaap)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_JDAA)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iRawlen = pChunk->iDatasize; /* fill the fields */
*pRawdata = pChunk->pData;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_JDAA, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif /* MNG_INCLUDE_JNG */
/* ************************************************************************** */
#ifndef MNG_NO_DELTA_PNG
mng_retcode MNG_DECL mng_getchunk_dhdr (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iObjectid,
mng_uint8 *iImagetype,
mng_uint8 *iDeltatype,
mng_uint32 *iBlockwidth,
mng_uint32 *iBlockheight,
mng_uint32 *iBlockx,
mng_uint32 *iBlocky)
{
mng_datap pData;
mng_dhdrp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DHDR, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_dhdrp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_DHDR)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iObjectid = pChunk->iObjectid; /* fill the fields */
*iImagetype = pChunk->iImagetype;
*iDeltatype = pChunk->iDeltatype;
*iBlockwidth = pChunk->iBlockwidth;
*iBlockheight = pChunk->iBlockheight;
*iBlockx = pChunk->iBlockx;
*iBlocky = pChunk->iBlocky;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DHDR, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_NO_DELTA_PNG
mng_retcode MNG_DECL mng_getchunk_prom (mng_handle hHandle,
mng_handle hChunk,
mng_uint8 *iColortype,
mng_uint8 *iSampledepth,
mng_uint8 *iFilltype)
{
mng_datap pData;
mng_promp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PROM, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_promp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_PROM)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iColortype = pChunk->iColortype; /* fill the fields */
*iSampledepth = pChunk->iSampledepth;
*iFilltype = pChunk->iFilltype;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PROM, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_NO_DELTA_PNG
mng_retcode MNG_DECL mng_getchunk_pplt (mng_handle hHandle,
mng_handle hChunk,
mng_uint8 *iDeltatype,
mng_uint32 *iCount)
{
mng_datap pData;
mng_ppltp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PPLT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_ppltp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_PPLT)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iDeltatype = pChunk->iDeltatype; /* fill the fields */
*iCount = pChunk->iCount;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PPLT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_NO_DELTA_PNG
mng_retcode MNG_DECL mng_getchunk_pplt_entry (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 iEntry,
mng_uint16 *iRed,
mng_uint16 *iGreen,
mng_uint16 *iBlue,
mng_uint16 *iAlpha,
mng_bool *bUsed)
{
mng_datap pData;
mng_ppltp pChunk;
mng_pplt_entryp pEntry;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PPLT_ENTRY, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_ppltp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_PPLT)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
if (iEntry >= pChunk->iCount) /* valid index ? */
MNG_ERROR (pData, MNG_INVALIDENTRYIX)
pEntry = &pChunk->aEntries[iEntry]; /* address the entry */
*iRed = pEntry->iRed; /* fill the fields */
*iGreen = pEntry->iGreen;
*iBlue = pEntry->iBlue;
*iAlpha = pEntry->iAlpha;
*bUsed = pEntry->bUsed;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_PPLT_ENTRY, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_NO_DELTA_PNG
mng_retcode MNG_DECL mng_getchunk_drop (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iCount,
mng_chunkidp *pChunknames)
{
mng_datap pData;
mng_dropp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DROP, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_dropp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_DROP)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iCount = pChunk->iCount; /* fill the fields */
*pChunknames = pChunk->pChunknames;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DROP, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_NO_DELTA_PNG
#ifndef MNG_SKIPCHUNK_DBYK
mng_retcode MNG_DECL mng_getchunk_dbyk (mng_handle hHandle,
mng_handle hChunk,
mng_chunkid *iChunkname,
mng_uint8 *iPolarity,
mng_uint32 *iKeywordssize,
mng_pchar *zKeywords)
{
mng_datap pData;
mng_dbykp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DBYK, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_dbykp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_DBYK)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iChunkname = pChunk->iChunkname; /* fill the fields */
*iPolarity = pChunk->iPolarity;
*iKeywordssize = pChunk->iKeywordssize;
*zKeywords = pChunk->zKeywords;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_DBYK, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
#endif
/* ************************************************************************** */
#ifndef MNG_NO_DELTA_PNG
#ifndef MNG_SKIPCHUNK_ORDR
mng_retcode MNG_DECL mng_getchunk_ordr (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iCount)
{
mng_datap pData;
mng_ordrp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ORDR, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_ordrp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_ORDR)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iCount = pChunk->iCount; /* fill the field */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ORDR, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
#endif
/* ************************************************************************** */
#ifndef MNG_NO_DELTA_PNG
#ifndef MNG_SKIPCHUNK_ORDR
mng_retcode MNG_DECL mng_getchunk_ordr_entry (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 iEntry,
mng_chunkid *iChunkname,
mng_uint8 *iOrdertype)
{
mng_datap pData;
mng_ordrp pChunk;
mng_ordr_entryp pEntry;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ORDR_ENTRY, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_ordrp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_ORDR)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
if (iEntry >= pChunk->iCount) /* valid index ? */
MNG_ERROR (pData, MNG_INVALIDENTRYIX)
pEntry = pChunk->pEntries + iEntry; /* address the proper entry */
*iChunkname = pEntry->iChunkname; /* fill the fields */
*iOrdertype = pEntry->iOrdertype;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_ORDR_ENTRY, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_MAGN
mng_retcode MNG_DECL mng_getchunk_magn (mng_handle hHandle,
mng_handle hChunk,
mng_uint16 *iFirstid,
mng_uint16 *iLastid,
mng_uint16 *iMethodX,
mng_uint16 *iMX,
mng_uint16 *iMY,
mng_uint16 *iML,
mng_uint16 *iMR,
mng_uint16 *iMT,
mng_uint16 *iMB,
mng_uint16 *iMethodY)
{
mng_datap pData;
mng_magnp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MAGN, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_magnp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_MAGN)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iFirstid = pChunk->iFirstid; /* fill the fields */
*iLastid = pChunk->iLastid;
*iMethodX = (mng_uint16)pChunk->iMethodX;
*iMX = pChunk->iMX;
*iMY = pChunk->iMY;
*iML = pChunk->iML;
*iMR = pChunk->iMR;
*iMT = pChunk->iMT;
*iMB = pChunk->iMB;
*iMethodY = (mng_uint16)pChunk->iMethodY;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MAGN, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
MNG_EXT mng_retcode MNG_DECL mng_getchunk_mpng (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iFramewidth,
mng_uint32 *iFrameheight,
mng_uint16 *iNumplays,
mng_uint16 *iTickspersec,
mng_uint8 *iCompressionmethod,
mng_uint32 *iCount)
{
mng_datap pData;
mng_mpngp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MPNG, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_mpngp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_mpNG)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
/* fill the fields */
*iFramewidth = pChunk->iFramewidth;
*iFrameheight = pChunk->iFrameheight;
*iNumplays = pChunk->iNumplays;
*iTickspersec = pChunk->iTickspersec;
*iCompressionmethod = pChunk->iCompressionmethod;
*iCount = pChunk->iFramessize / sizeof (mng_mpng_frame);
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MPNG, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifdef MNG_INCLUDE_MPNG_PROPOSAL
MNG_EXT mng_retcode MNG_DECL mng_getchunk_mpng_frame (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 iEntry,
mng_uint32 *iX,
mng_uint32 *iY,
mng_uint32 *iWidth,
mng_uint32 *iHeight,
mng_int32 *iXoffset,
mng_int32 *iYoffset,
mng_uint16 *iTicks)
{
mng_datap pData;
mng_mpngp pChunk;
mng_mpng_framep pFrame;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MPNG_FRAME, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_mpngp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_mpNG)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
/* valid index ? */
if (iEntry >= (pChunk->iFramessize / sizeof (mng_mpng_frame)))
MNG_ERROR (pData, MNG_INVALIDENTRYIX)
pFrame = pChunk->pFrames + iEntry; /* address the entry */
/* fill the fields */
*iX = pFrame->iX;
*iY = pFrame->iY;
*iWidth = pFrame->iWidth;
*iHeight = pFrame->iHeight;
*iXoffset = pFrame->iXoffset;
*iYoffset = pFrame->iYoffset;
*iTicks = pFrame->iTicks;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_MPNG_FRAME, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_evNT
mng_retcode MNG_DECL mng_getchunk_evnt (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 *iCount)
{
mng_datap pData;
mng_evntp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_EVNT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_evntp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_evNT)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
*iCount = pChunk->iCount; /* fill the fields */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_EVNT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_getchunk_evnt_entry (mng_handle hHandle,
mng_handle hChunk,
mng_uint32 iEntry,
mng_uint8 *iEventtype,
mng_uint8 *iMasktype,
mng_int32 *iLeft,
mng_int32 *iRight,
mng_int32 *iTop,
mng_int32 *iBottom,
mng_uint16 *iObjectid,
mng_uint8 *iIndex,
mng_uint32 *iSegmentnamesize,
mng_pchar *zSegmentname)
{
mng_datap pData;
mng_evntp pChunk;
mng_evnt_entryp pEntry;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_EVNT_ENTRY, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_evntp)hChunk; /* address the chunk */
if (pChunk->sHeader.iChunkname != MNG_UINT_evNT)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
if (iEntry >= pChunk->iCount) /* valid index ? */
MNG_ERROR (pData, MNG_INVALIDENTRYIX)
pEntry = pChunk->pEntries + iEntry; /* address the entry */
/* fill the fields */
*iEventtype = pEntry->iEventtype;
*iMasktype = pEntry->iMasktype;
*iLeft = pEntry->iLeft;
*iRight = pEntry->iRight;
*iTop = pEntry->iTop;
*iBottom = pEntry->iBottom;
*iObjectid = pEntry->iObjectid;
*iIndex = pEntry->iIndex;
*iSegmentnamesize = pEntry->iSegmentnamesize;
*zSegmentname = pEntry->zSegmentname;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_EVNT_ENTRY, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
mng_retcode MNG_DECL mng_getchunk_unknown (mng_handle hHandle,
mng_handle hChunk,
mng_chunkid *iChunkname,
mng_uint32 *iRawlen,
mng_ptr *pRawdata)
{
mng_datap pData;
mng_unknown_chunkp pChunk;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_UNKNOWN, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
pChunk = (mng_unknown_chunkp)hChunk; /* address the chunk */
if (pChunk->sHeader.fCleanup != mng_free_unknown)
MNG_ERROR (pData, MNG_WRONGCHUNK) /* ouch */
/* fill the fields */
*iChunkname = pChunk->sHeader.iChunkname;
*iRawlen = pChunk->iDatasize;
*pRawdata = pChunk->pData;
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_GETCHUNK_UNKNOWN, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
/* ************************************************************************** */
#ifdef MNG_INCLUDE_WRITE_PROCS
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_TERM
MNG_LOCAL mng_bool check_term (mng_datap pData,
mng_chunkid iChunkname)
{
mng_chunk_headerp pChunk = (mng_chunk_headerp)pData->pLastchunk;
if (!pChunk) /* nothing added yet ? */
return MNG_TRUE;
/* last added chunk is TERM ? */
if (pChunk->iChunkname != MNG_UINT_TERM)
return MNG_TRUE;
/* previous to last is MHDR ? */
if ((pChunk->pPrev) && (((mng_chunk_headerp)pChunk->pPrev)->iChunkname == MNG_UINT_MHDR))
return MNG_TRUE;
if (iChunkname == MNG_UINT_SEEK) /* new chunk to be added is SEEK ? */
return MNG_TRUE;
return MNG_FALSE;
}
#endif
/* ************************************************************************** */
mng_retcode MNG_DECL mng_putchunk_ihdr (mng_handle hHandle,
mng_uint32 iWidth,
mng_uint32 iHeight,
mng_uint8 iBitdepth,
mng_uint8 iColortype,
mng_uint8 iCompression,
mng_uint8 iFilter,
mng_uint8 iInterlace)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_IHDR, mng_init_general, mng_free_general, mng_read_ihdr, mng_write_ihdr, mng_assign_general, 0, 0, sizeof(mng_ihdr)};
#else
{MNG_UINT_IHDR, mng_init_ihdr, mng_free_ihdr, mng_read_ihdr, mng_write_ihdr, mng_assign_ihdr, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_IHDR, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_IHDR))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_ihdr (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_IHDR, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
((mng_ihdrp)pChunk)->iWidth = iWidth;
((mng_ihdrp)pChunk)->iHeight = iHeight;
((mng_ihdrp)pChunk)->iBitdepth = iBitdepth;
((mng_ihdrp)pChunk)->iColortype = iColortype;
((mng_ihdrp)pChunk)->iCompression = iCompression;
((mng_ihdrp)pChunk)->iFilter = iFilter;
((mng_ihdrp)pChunk)->iInterlace = iInterlace;
mng_add_chunk (pData, pChunk); /* add it to the list */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_IHDR, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_putchunk_plte (mng_handle hHandle,
mng_uint32 iCount,
mng_palette8 aPalette)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_PLTE, mng_init_general, mng_free_general, mng_read_plte, mng_write_plte, mng_assign_general, 0, 0, sizeof(mng_plte)};
#else
{MNG_UINT_PLTE, mng_init_plte, mng_free_plte, mng_read_plte, mng_write_plte, mng_assign_plte, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_PLTE, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* must have had a header first! */
if (pData->iFirstchunkadded == 0)
MNG_ERROR (pData, MNG_NOHEADER)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_PLTE))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_plte (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_PLTE, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
/* fill the chunk */
((mng_pltep)pChunk)->iEntrycount = iCount;
((mng_pltep)pChunk)->bEmpty = (mng_bool)(iCount == 0);
MNG_COPY (((mng_pltep)pChunk)->aEntries, aPalette, sizeof (mng_palette8));
mng_add_chunk (pData, pChunk); /* add it to the list */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_PLTE, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_putchunk_idat (mng_handle hHandle,
mng_uint32 iRawlen,
mng_ptr pRawdata)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_IDAT, mng_init_general, mng_free_idat, mng_read_idat, mng_write_idat, mng_assign_idat, 0, 0, sizeof(mng_idat)};
#else
{MNG_UINT_IDAT, mng_init_idat, mng_free_idat, mng_read_idat, mng_write_idat, mng_assign_idat, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_IDAT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* must have had a header first! */
if (pData->iFirstchunkadded == 0)
MNG_ERROR (pData, MNG_NOHEADER)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_IDAT))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_idat (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_IDAT, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
/* fill the chunk */
((mng_idatp)pChunk)->bEmpty = (mng_bool)(iRawlen == 0);
((mng_idatp)pChunk)->iDatasize = iRawlen;
if (iRawlen)
{
MNG_ALLOC (pData, ((mng_idatp)pChunk)->pData, iRawlen);
MNG_COPY (((mng_idatp)pChunk)->pData, pRawdata, iRawlen);
}
mng_add_chunk (pData, pChunk); /* add it to the list */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_IDAT, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_putchunk_iend (mng_handle hHandle)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_IEND, mng_init_general, mng_free_general, mng_read_iend, mng_write_iend, mng_assign_general, 0, 0, sizeof(mng_iend)};
#else
{MNG_UINT_IEND, mng_init_iend, mng_free_iend, mng_read_iend, mng_write_iend, mng_assign_iend, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_IEND, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* must have had a header first! */
if (pData->iFirstchunkadded == 0)
MNG_ERROR (pData, MNG_NOHEADER)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_IEND))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_iend (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_IEND, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
mng_add_chunk (pData, pChunk); /* add it to the list */
#ifdef MNG_INCLUDE_JNG
if ((pData->iFirstchunkadded == MNG_UINT_IHDR) ||
(pData->iFirstchunkadded == MNG_UINT_JHDR) )
#else
if (pData->iFirstchunkadded == MNG_UINT_IHDR)
#endif
pData->bCreating = MNG_FALSE; /* should be last chunk !!! */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_IEND, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
mng_retcode MNG_DECL mng_putchunk_trns (mng_handle hHandle,
mng_bool bEmpty,
mng_bool bGlobal,
mng_uint8 iType,
mng_uint32 iCount,
mng_uint8arr aAlphas,
mng_uint16 iGray,
mng_uint16 iRed,
mng_uint16 iGreen,
mng_uint16 iBlue,
mng_uint32 iRawlen,
mng_uint8arr aRawdata)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_tRNS, mng_init_general, mng_free_general, mng_read_trns, mng_write_trns, mng_assign_general, 0, 0, sizeof(mng_trns)};
#else
{MNG_UINT_tRNS, mng_init_trns, mng_free_trns, mng_read_trns, mng_write_trns, mng_assign_trns, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_TRNS, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* must have had a header first! */
if (pData->iFirstchunkadded == 0)
MNG_ERROR (pData, MNG_NOHEADER)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_tRNS))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_trns (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_tRNS, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
/* fill the chunk */
((mng_trnsp)pChunk)->bEmpty = bEmpty;
((mng_trnsp)pChunk)->bGlobal = bGlobal;
((mng_trnsp)pChunk)->iType = iType;
((mng_trnsp)pChunk)->iCount = iCount;
((mng_trnsp)pChunk)->iGray = iGray;
((mng_trnsp)pChunk)->iRed = iRed;
((mng_trnsp)pChunk)->iGreen = iGreen;
((mng_trnsp)pChunk)->iBlue = iBlue;
((mng_trnsp)pChunk)->iRawlen = iRawlen;
MNG_COPY (((mng_trnsp)pChunk)->aEntries, aAlphas, sizeof (mng_uint8arr));
MNG_COPY (((mng_trnsp)pChunk)->aRawdata, aRawdata, sizeof (mng_uint8arr));
mng_add_chunk (pData, pChunk); /* add it to the list */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_TRNS, MNG_LC_END);
#endif
return MNG_NOERROR;
}
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_gAMA
mng_retcode MNG_DECL mng_putchunk_gama (mng_handle hHandle,
mng_bool bEmpty,
mng_uint32 iGamma)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_gAMA, mng_init_general, mng_free_general, mng_read_gama, mng_write_gama, mng_assign_general, 0, 0, sizeof(mng_gama)};
#else
{MNG_UINT_gAMA, mng_init_gama, mng_free_gama, mng_read_gama, mng_write_gama, mng_assign_gama, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_GAMA, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* must have had a header first! */
if (pData->iFirstchunkadded == 0)
MNG_ERROR (pData, MNG_NOHEADER)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_gAMA))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_gama (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_gAMA, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
/* fill the chunk */
((mng_gamap)pChunk)->bEmpty = bEmpty;
((mng_gamap)pChunk)->iGamma = iGamma;
mng_add_chunk (pData, pChunk); /* add it to the list */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_GAMA, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_cHRM
mng_retcode MNG_DECL mng_putchunk_chrm (mng_handle hHandle,
mng_bool bEmpty,
mng_uint32 iWhitepointx,
mng_uint32 iWhitepointy,
mng_uint32 iRedx,
mng_uint32 iRedy,
mng_uint32 iGreenx,
mng_uint32 iGreeny,
mng_uint32 iBluex,
mng_uint32 iBluey)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_cHRM, mng_init_general, mng_free_general, mng_read_chrm, mng_write_chrm, mng_assign_general, 0, 0, sizeof(mng_chrm)};
#else
{MNG_UINT_cHRM, mng_init_chrm, mng_free_chrm, mng_read_chrm, mng_write_chrm, mng_assign_chrm, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_CHRM, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* must have had a header first! */
if (pData->iFirstchunkadded == 0)
MNG_ERROR (pData, MNG_NOHEADER)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_cHRM))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_chrm (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_cHRM, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
/* fill the chunk */
((mng_chrmp)pChunk)->bEmpty = bEmpty;
((mng_chrmp)pChunk)->iWhitepointx = iWhitepointx;
((mng_chrmp)pChunk)->iWhitepointy = iWhitepointy;
((mng_chrmp)pChunk)->iRedx = iRedx;
((mng_chrmp)pChunk)->iRedy = iRedy;
((mng_chrmp)pChunk)->iGreenx = iGreenx;
((mng_chrmp)pChunk)->iGreeny = iGreeny;
((mng_chrmp)pChunk)->iBluex = iBluex;
((mng_chrmp)pChunk)->iBluey = iBluey;
mng_add_chunk (pData, pChunk); /* add it to the list */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_CHRM, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_sRGB
mng_retcode MNG_DECL mng_putchunk_srgb (mng_handle hHandle,
mng_bool bEmpty,
mng_uint8 iRenderingintent)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_sRGB, mng_init_general, mng_free_general, mng_read_srgb, mng_write_srgb, mng_assign_general, 0, 0, sizeof(mng_srgb)};
#else
{MNG_UINT_sRGB, mng_init_srgb, mng_free_srgb, mng_read_srgb, mng_write_srgb, mng_assign_srgb, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_SRGB, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* must have had a header first! */
if (pData->iFirstchunkadded == 0)
MNG_ERROR (pData, MNG_NOHEADER)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_sRGB))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_srgb (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_sRGB, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
/* fill the chunk */
((mng_srgbp)pChunk)->bEmpty = bEmpty;
((mng_srgbp)pChunk)->iRenderingintent = iRenderingintent;
mng_add_chunk (pData, pChunk); /* add it to the list */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_SRGB, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_iCCP
mng_retcode MNG_DECL mng_putchunk_iccp (mng_handle hHandle,
mng_bool bEmpty,
mng_uint32 iNamesize,
mng_pchar zName,
mng_uint8 iCompression,
mng_uint32 iProfilesize,
mng_ptr pProfile)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_iCCP, mng_init_general, mng_free_iccp, mng_read_iccp, mng_write_iccp, mng_assign_iccp, 0, 0, sizeof(mng_iccp)};
#else
{MNG_UINT_iCCP, mng_init_iccp, mng_free_iccp, mng_read_iccp, mng_write_iccp, mng_assign_iccp, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_ICCP, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* must have had a header first! */
if (pData->iFirstchunkadded == 0)
MNG_ERROR (pData, MNG_NOHEADER)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_iCCP))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_iccp (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_iCCP, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
/* fill the chunk */
((mng_iccpp)pChunk)->bEmpty = bEmpty;
((mng_iccpp)pChunk)->iNamesize = iNamesize;
((mng_iccpp)pChunk)->iCompression = iCompression;
((mng_iccpp)pChunk)->iProfilesize = iProfilesize;
if (iNamesize)
{
MNG_ALLOC (pData, ((mng_iccpp)pChunk)->zName, iNamesize + 1);
MNG_COPY (((mng_iccpp)pChunk)->zName, zName, iNamesize);
}
if (iProfilesize)
{
MNG_ALLOC (pData, ((mng_iccpp)pChunk)->pProfile, iProfilesize);
MNG_COPY (((mng_iccpp)pChunk)->pProfile, pProfile, iProfilesize);
}
mng_add_chunk (pData, pChunk); /* add it to the list */
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_ICCP, MNG_LC_END);
#endif
return MNG_NOERROR;
}
#endif
/* ************************************************************************** */
#ifndef MNG_SKIPCHUNK_tEXt
mng_retcode MNG_DECL mng_putchunk_text (mng_handle hHandle,
mng_uint32 iKeywordsize,
mng_pchar zKeyword,
mng_uint32 iTextsize,
mng_pchar zText)
{
mng_datap pData;
mng_chunkp pChunk;
mng_retcode iRetcode;
#ifndef MNG_OPTIMIZE_CHUNKREADER
mng_chunk_header sChunkheader =
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
{MNG_UINT_tEXt, mng_init_general, mng_free_text, mng_read_text, mng_write_text, mng_assign_text, 0, 0, sizeof(mng_text)};
#else
{MNG_UINT_tEXt, mng_init_text, mng_free_text, mng_read_text, mng_write_text, mng_assign_text, 0, 0};
#endif
#else
mng_chunk_header sChunkheader;
#endif
#ifdef MNG_SUPPORT_TRACE
MNG_TRACE (((mng_datap)hHandle), MNG_FN_PUTCHUNK_TEXT, MNG_LC_START);
#endif
MNG_VALIDHANDLE (hHandle) /* check validity handle */
pData = (mng_datap)hHandle; /* and make it addressable */
if (!pData->bCreating) /* aren't we creating a new file ? */
MNG_ERROR (pData, MNG_FUNCTIONINVALID)
/* must have had a header first! */
if (pData->iFirstchunkadded == 0)
MNG_ERROR (pData, MNG_NOHEADER)
/* prevent misplaced TERM ! */
if (!check_term (pData, MNG_UINT_tEXt))
MNG_ERROR (pData, MNG_TERMSEQERROR)
/* create the chunk */
#ifndef MNG_OPTIMIZE_CHUNKREADER
#ifdef MNG_OPTIMIZE_CHUNKINITFREE
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#else
iRetcode = mng_init_text (pData, &sChunkheader, &pChunk);
#endif
#else
mng_get_chunkheader(MNG_UINT_tEXt, &sChunkheader);
iRetcode = mng_init_general (pData, &sChunkheader, &pChunk);
#endif
if (iRetcode) /* on error bail out */
return iRetcode;
/* fill the chunk */
((mng_textp)pChunk)->iKeywordsize = iKeywordsize;
((mng_textp)pChunk)->iTextsize = iTextsize;
if (iKeywordsize)
{
MNG_ALLOC (pData, ((mng_textp)pChunk)->zKeyword, iKeywordsize + 1);
MNG_COPY (((mng_textp)pChunk)->zKeyword, zKeyword, iKeywordsize);
}
if (iTextsize)
{
MNG_ALLOC (pData, ((mng_textp)pChunk)->zText, iTextsize