libmng_prop_xs.c

奇趣公司比较新的qt/emd版本

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_FRAMECOUNT, MNG_LC_END);
#endif

  return ((mng_datap)hHandle)->iFramecount;
}

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

mng_uint32 MNG_DECL mng_get_layercount (mng_handle hHandle)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_LAYERCOUNT, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_LAYERCOUNT, MNG_LC_END);
#endif

  return ((mng_datap)hHandle)->iLayercount;
}

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

mng_uint32 MNG_DECL mng_get_playtime (mng_handle hHandle)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_PLAYTIME, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_PLAYTIME, MNG_LC_END);
#endif

  return ((mng_datap)hHandle)->iPlaytime;
}

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

mng_uint32 MNG_DECL mng_get_simplicity (mng_handle hHandle)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SIMPLICITY, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_SIMPLICITY, MNG_LC_END);
#endif

  return ((mng_datap)hHandle)->iSimplicity;
}

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

mng_uint8 MNG_DECL mng_get_bitdepth (mng_handle hHandle)
{
  mng_uint8 iRslt;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_BITDEPTH, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
    iRslt = ((mng_datap)hHandle)->iBitdepth;
  else
#ifdef MNG_INCLUDE_JNG
  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
    iRslt = ((mng_datap)hHandle)->iJHDRimgbitdepth;
  else
#endif
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_BITDEPTH, MNG_LC_END);
#endif

  return iRslt;
}

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

mng_uint8 MNG_DECL mng_get_colortype (mng_handle hHandle)
{
  mng_uint8 iRslt;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_COLORTYPE, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
    iRslt = ((mng_datap)hHandle)->iColortype;
  else
#ifdef MNG_INCLUDE_JNG
  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
    iRslt = ((mng_datap)hHandle)->iJHDRcolortype;
  else
#endif
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_COLORTYPE, MNG_LC_END);
#endif

  return iRslt;
}

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

mng_uint8 MNG_DECL mng_get_compression (mng_handle hHandle)
{
  mng_uint8 iRslt;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_COMPRESSION, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
    iRslt = ((mng_datap)hHandle)->iCompression;
  else
#ifdef MNG_INCLUDE_JNG
  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
    iRslt = ((mng_datap)hHandle)->iJHDRimgcompression;
  else
#endif
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_COMPRESSION, MNG_LC_END);
#endif

  return iRslt;
}

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

mng_uint8 MNG_DECL mng_get_filter (mng_handle hHandle)
{
  mng_uint8 iRslt;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_FILTER, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
    iRslt = ((mng_datap)hHandle)->iFilter;
  else
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_FILTER, MNG_LC_END);
#endif

  return iRslt;
}

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

mng_uint8 MNG_DECL mng_get_interlace (mng_handle hHandle)
{
  mng_uint8 iRslt;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_INTERLACE, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

  if (((mng_datap)hHandle)->eImagetype == mng_it_png)
    iRslt = ((mng_datap)hHandle)->iInterlace;
  else
#ifdef MNG_INCLUDE_JNG
  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
    iRslt = ((mng_datap)hHandle)->iJHDRimginterlace;
  else
#endif
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_INTERLACE, MNG_LC_END);
#endif

  return iRslt;
}

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

mng_uint8 MNG_DECL mng_get_alphabitdepth (mng_handle hHandle)
{
  mng_uint8 iRslt;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHABITDEPTH, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_INCLUDE_JNG
  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
    iRslt = ((mng_datap)hHandle)->iJHDRalphabitdepth;
  else
#endif
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHABITDEPTH, MNG_LC_END);
#endif

  return iRslt;
}

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

#ifdef MNG_SUPPORT_DISPLAY
mng_uint8 MNG_DECL mng_get_refreshpass (mng_handle hHandle)
{
  mng_uint8 iRslt;
  mng_datap pData;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_REFRESHPASS, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

  pData = (mng_datap)hHandle;
                                       /* for PNG we know the exact pass */
  if ((pData->eImagetype == mng_it_png) && (pData->iPass >= 0))
    iRslt = pData->iPass;
#ifdef MNG_INCLUDE_JNG
  else                                 /* for JNG we'll fake it... */
  if ((pData->eImagetype == mng_it_jng) &&
      (pData->bJPEGhasheader) && (pData->bJPEGdecostarted) &&
      (pData->bJPEGprogressive))
  {
    if (pData->pJPEGdinfo->input_scan_number <= 1)
      iRslt = 0;                       /* first pass (I think...) */
    else
    if (jpeg_input_complete (pData->pJPEGdinfo))
      iRslt = 7;                       /* input complete; aka final pass */
    else
      iRslt = 3;                       /* anything between 0 and 7 will do */

  }
#endif
  else
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_REFRESHPASS, MNG_LC_END);
#endif

  return iRslt;
}
#endif /* MNG_SUPPORT_DISPLAY */

/* ************************************************************************** */
mng_uint8 MNG_DECL mng_get_alphacompression (mng_handle hHandle)
{
  mng_uint8 iRslt;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHACOMPRESSION, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_INCLUDE_JNG
  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
    iRslt = ((mng_datap)hHandle)->iJHDRalphacompression;
  else
#endif
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHACOMPRESSION, MNG_LC_END);
#endif

  return iRslt;
}

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

mng_uint8 MNG_DECL mng_get_alphafilter (mng_handle hHandle)
{
  mng_uint8 iRslt;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHAFILTER, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_INCLUDE_JNG
  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
    iRslt = ((mng_datap)hHandle)->iJHDRalphafilter;
  else
#endif
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHAFILTER, MNG_LC_END);
#endif

  return iRslt;
}

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

mng_uint8 MNG_DECL mng_get_alphainterlace (mng_handle hHandle)
{
  mng_uint8 iRslt;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHAINTERLACE, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_INCLUDE_JNG
  if (((mng_datap)hHandle)->eImagetype == mng_it_jng)
    iRslt = ((mng_datap)hHandle)->iJHDRalphainterlace;
  else
#endif
    iRslt = 0;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHAINTERLACE, MNG_LC_END);
#endif

  return iRslt;
}

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

mng_uint8 MNG_DECL mng_get_alphadepth (mng_handle hHandle)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHADEPTH, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_ALPHADEPTH, MNG_LC_END);
#endif

  return ((mng_datap)hHandle)->iAlphadepth;
}

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

mng_uint32 MNG_DECL mng_get_canvasstyle (mng_handle hHandle)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CANVASSTYLE, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_CANVASSTYLE, MNG_LC_END);
#endif

  return ((mng_datap)hHandle)->iCanvasstyle;
}

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

mng_uint32 MNG_DECL mng_get_bkgdstyle (mng_handle hHandle)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_BKGDSTYLE, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEX (((mng_datap)hHandle), MNG_FN_GET_BKGDSTYLE, MNG_LC_END);
#endif

  return ((mng_datap)hHandle)->iBkgdstyle;
}

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

mng_retcode MNG_DECL mng_get_bgcolor (mng_handle  hHandle,
                                      mng_uint16* iRed,
                                      mng_uint16* iGreen,
                                      mng_uint16* iBlue)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_GET_BGCOLOR, MNG_LC_START);
#endif

  MNG_VALIDHANDLE (hHandle)
  *iRed   = ((mng_datap)hHandle)->iBGred;
  *iGreen = ((mng_datap)hHandle)->iBGgreen;
  *iBlue  = ((mng_datap)hHandle)->iBGblue;

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACE (((mng_datap)hHandle), MNG_FN_GET_BGCOLOR, MNG_LC_END);
#endif

  return MNG_NOERROR;
}

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

mng_bool MNG_DECL mng_get_usebkgd (mng_handle hHandle)
{
#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_USEBKGD, MNG_LC_START);
#endif

  MNG_VALIDHANDLEX (hHandle)

#ifdef MNG_SUPPORT_TRACE
  MNG_TRACEB (((mng_datap)hHandle), MNG_FN_GET_USEBKGD, MNG_LC_END);
#endif