libmng_chunk_xs.c

奇趣公司比较新的qt/emd版本

  *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,