libmng_chunk_prc.c

奇趣公司比较新的qt/emd版本

#ifndef MNG_SKIPCHUNK_eXPI
FREE_CHUNK_HDR (mng_free_expi)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_EXPI, MNG_LC_START);
#endif

  if (((mng_expip)pHeader)->iNamesize)
    MNG_FREEX (pData, ((mng_expip)pHeader)->zName,
                      ((mng_expip)pHeader)->iNamesize + 1);

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  MNG_FREEX (pData, pHeader, sizeof (mng_expi));
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_EXPI, MNG_LC_END);
#endif

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  return MNG_NOERROR;
#else
  return mng_free_general(pData, pHeader);
#endif
}
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifndef MNG_SKIPCHUNK_fPRI
FREE_CHUNK_HDR (mng_free_fpri)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_FPRI, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_fpri));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_FPRI, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_SKIPCHUNK_nEED
FREE_CHUNK_HDR (mng_free_need)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_NEED, MNG_LC_START);
#endif

  if (((mng_needp)pHeader)->iKeywordssize)
    MNG_FREEX (pData, ((mng_needp)pHeader)->zKeywords,
                      ((mng_needp)pHeader)->iKeywordssize + 1);

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  MNG_FREEX (pData, pHeader, sizeof (mng_need));
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_NEED, MNG_LC_END);
#endif

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  return MNG_NOERROR;
#else
  return mng_free_general(pData, pHeader);
#endif
}
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifndef MNG_SKIPCHUNK_pHYg
FREE_CHUNK_HDR (mng_free_phyg)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_PHYG, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_phyg));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_PHYG, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifdef MNG_INCLUDE_JNG
FREE_CHUNK_HDR (mng_free_jhdr)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_JHDR, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_jhdr));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_JHDR, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif /* MNG_INCLUDE_JNG */
#endif

/* ************************************************************************** */

#ifdef MNG_INCLUDE_JNG
FREE_CHUNK_HDR (mng_free_jdaa)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_JDAA, MNG_LC_START);
#endif

  if (((mng_jdaap)pHeader)->iDatasize)
    MNG_FREEX (pData, ((mng_jdaap)pHeader)->pData,
                      ((mng_jdaap)pHeader)->iDatasize);

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  MNG_FREEX (pData, pHeader, sizeof (mng_jdaa));
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_JDAA, MNG_LC_END);
#endif

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  return MNG_NOERROR;
#else
  return mng_free_general(pData, pHeader);
#endif
}
#endif /* MNG_INCLUDE_JNG */

/* ************************************************************************** */

#ifdef MNG_INCLUDE_JNG
FREE_CHUNK_HDR (mng_free_jdat)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_JDAT, MNG_LC_START);
#endif

  if (((mng_jdatp)pHeader)->iDatasize)
    MNG_FREEX (pData, ((mng_jdatp)pHeader)->pData,
                      ((mng_jdatp)pHeader)->iDatasize);

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  MNG_FREEX (pData, pHeader, sizeof (mng_jdat));
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_JDAT, MNG_LC_END);
#endif

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  return MNG_NOERROR;
#else
  return mng_free_general(pData, pHeader);
#endif
}
#endif /* MNG_INCLUDE_JNG */

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifdef MNG_INCLUDE_JNG
FREE_CHUNK_HDR (mng_free_jsep)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_JSEP, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_jsep));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_JSEP, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif /* MNG_INCLUDE_JNG */
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifndef MNG_NO_DELTA_PNG
FREE_CHUNK_HDR (mng_free_dhdr)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_DHDR, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_dhdr));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_DHDR, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifndef MNG_NO_DELTA_PNG
FREE_CHUNK_HDR (mng_free_prom)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_PROM, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_prom));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_PROM, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifndef MNG_NO_DELTA_PNG
FREE_CHUNK_HDR (mng_free_ipng)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_IPNG, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_ipng));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_IPNG, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifndef MNG_NO_DELTA_PNG
FREE_CHUNK_HDR (mng_free_pplt)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_PPLT, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_pplt));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_PPLT, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifndef MNG_NO_DELTA_PNG
#ifdef MNG_INCLUDE_JNG
FREE_CHUNK_HDR (mng_free_ijng)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_IJNG, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_ijng));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_IJNG, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_NO_DELTA_PNG
FREE_CHUNK_HDR (mng_free_drop)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_DROP, MNG_LC_START);
#endif

  if (((mng_dropp)pHeader)->iCount)
    MNG_FREEX (pData, ((mng_dropp)pHeader)->pChunknames,
                      ((mng_dropp)pHeader)->iCount * sizeof (mng_chunkid) );

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  MNG_FREEX (pData, pHeader, sizeof (mng_drop));
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_DROP, MNG_LC_END);
#endif

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  return MNG_NOERROR;
#else
  return mng_free_general(pData, pHeader);
#endif
}
#endif

/* ************************************************************************** */

#ifndef MNG_NO_DELTA_PNG
#ifndef MNG_SKIPCHUNK_DBYK
FREE_CHUNK_HDR (mng_free_dbyk)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_DBYK, MNG_LC_START);
#endif

  if (((mng_dbykp)pHeader)->iKeywordssize)
    MNG_FREEX (pData, ((mng_dbykp)pHeader)->zKeywords,
                      ((mng_dbykp)pHeader)->iKeywordssize);

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  MNG_FREEX (pData, pHeader, sizeof (mng_dbyk));
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_DBYK, MNG_LC_END);
#endif

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  return MNG_NOERROR;
#else
  return mng_free_general(pData, pHeader);
#endif
}
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_NO_DELTA_PNG
#ifndef MNG_SKIPCHUNK_ORDR
FREE_CHUNK_HDR (mng_free_ordr)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_ORDR, MNG_LC_START);
#endif

  if (((mng_ordrp)pHeader)->iCount)
    MNG_FREEX (pData, ((mng_ordrp)pHeader)->pEntries,
                      ((mng_ordrp)pHeader)->iCount * sizeof (mng_ordr_entry) );

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  MNG_FREEX (pData, pHeader, sizeof (mng_ordr));
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_ORDR, MNG_LC_END);
#endif

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  return MNG_NOERROR;
#else
  return mng_free_general(pData, pHeader);
#endif
}
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
#ifndef MNG_SKIPCHUNK_MAGN
FREE_CHUNK_HDR (mng_free_magn)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_MAGN, MNG_LC_START);
#endif

  MNG_FREEX (pData, pHeader, sizeof (mng_magn));

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_MAGN, MNG_LC_END);
#endif

  return MNG_NOERROR;
}
#endif
#endif

/* ************************************************************************** */

#ifndef MNG_SKIPCHUNK_evNT
FREE_CHUNK_HDR (mng_free_evnt)
{
  mng_evnt_entryp pEntry = ((mng_evntp)pHeader)->pEntries;
  mng_uint32      iX;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_EVNT, MNG_LC_START);
#endif

  for (iX = 0; iX < ((mng_evntp)pHeader)->iCount; iX++)
  {
    if (pEntry->iSegmentnamesize)
      MNG_FREEX (pData, pEntry->zSegmentname, pEntry->iSegmentnamesize+1);

    pEntry++;
  }

  if (((mng_evntp)pHeader)->iCount)
    MNG_FREEX (pData, ((mng_evntp)pHeader)->pEntries,
                      ((mng_evntp)pHeader)->iCount * sizeof (mng_evnt_entry) );

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  MNG_FREEX (pData, pHeader, sizeof (mng_evnt));
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_EVNT, MNG_LC_END);
#endif

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  return MNG_NOERROR;
#else
  return mng_free_general(pData, pHeader);
#endif
}
#endif

/* ************************************************************************** */

FREE_CHUNK_HDR (mng_free_unknown)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_UNKNOWN, MNG_LC_START);
#endif

  if (((mng_unknown_chunkp)pHeader)->iDatasize)
    MNG_FREEX (pData, ((mng_unknown_chunkp)pHeader)->pData,
                      ((mng_unknown_chunkp)pHeader)->iDatasize);

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  MNG_FREEX (pData, pHeader, sizeof (mng_unknown_chunk));
#endif

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_FREE_UNKNOWN, MNG_LC_END);
#endif

#ifndef MNG_OPTIMIZE_CHUNKINITFREE
  return MNG_NOERROR;
#else
  return mng_free_general(pData, pHeader);
#endif
}

/* ************************************************************************** */
/* *                                                                        * */
/* * Chunk specific copy routines                                           * */
/* *                                                                        * */
/* ************************************************************************** */

#ifdef MNG_INCLUDE_WRITE_PROCS

/* ************************************************************************** */

#ifdef MNG_OPTIMIZE_CHUNKASSIGN
ASSIGN_CHUNK_HDR (mng_assign_general)
{
  mng_ptr    pSrc = (mng_uint8p)pChunkfrom + sizeof (mng_chunk_header);
  mng_ptr    pDst = (mng_uint8p)pChunkto   + sizeof (mng_chunk_header);
  mng_size_t iLen = ((mng_chunk_headerp)pChunkfrom)->iChunksize - sizeof (mng_chunk_header);

  MNG_COPY (pDst, pSrc, iLen);

  return MNG_NOERROR;
}
#endif

/* ************************************************************************** */

#ifndef MNG_OPTIMIZE_CHUNKASSIGN
ASSIGN_CHUNK_HDR (mng_assign_ihdr)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (pData, MNG_FN_ASSIGN_IHDR, MNG_LC_START);
#endif

  if (((mng_chunk_headerp)pChunkfrom)->iChunkname != MNG_UINT_IHDR)
    MNG_ERROR (pData, MNG_WRONGCHUNK); /* ouch */

  ((mng_ihdrp)pChunkto)->iWidth       = ((mng_ihdrp)pChunkfrom)->iWidth;
  ((mng_ihdrp)p