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src/Source/LibRawLite/src/libraw_cxx.cpp  view on Meta::CPAN

        ID.input->seek(ID.profile_offset,SEEK_SET);
        ID.input->read(C.profile,C.profile_length,1);
      }

    SET_PROC_FLAG(LIBRAW_PROGRESS_IDENTIFY);
  }
  catch ( LibRaw_exceptions err) {
    EXCEPTION_HANDLER(err);
  }
  catch (std::exception ee) {
    EXCEPTION_HANDLER(LIBRAW_EXCEPTION_IO_CORRUPT);
  }

  if(P1.raw_count < 1)
    return LIBRAW_FILE_UNSUPPORTED;


  write_fun = &LibRaw::write_ppm_tiff;

  if (load_raw == &LibRaw::kodak_ycbcr_load_raw)
    {
      S.height += S.height & 1;
      S.width  += S.width  & 1;
    }

  IO.shrink = P1.filters && (O.half_size ||
                             ((O.threshold || O.aber[0] != 1 || O.aber[2] != 1) ));

  S.iheight = (S.height + IO.shrink) >> IO.shrink;
  S.iwidth  = (S.width  + IO.shrink) >> IO.shrink;

  // Save color,sizes and internal data into raw_image fields
  memmove(&imgdata.rawdata.color,&imgdata.color,sizeof(imgdata.color));
  memmove(&imgdata.rawdata.sizes,&imgdata.sizes,sizeof(imgdata.sizes));
  memmove(&imgdata.rawdata.iparams,&imgdata.idata,sizeof(imgdata.idata));
  memmove(&imgdata.rawdata.ioparams,&libraw_internal_data.internal_output_params,sizeof(libraw_internal_data.internal_output_params));

  SET_PROC_FLAG(LIBRAW_PROGRESS_SIZE_ADJUST);


  return LIBRAW_SUCCESS;
}

#ifdef USE_RAWSPEED
void LibRaw::fix_after_rawspeed(int bl)
{
  if (load_raw == &LibRaw::lossy_dng_load_raw)
    C.maximum = 0xffff;
  else if (load_raw == &LibRaw::sony_load_raw)
    C.maximum = 0x3ff0;
}
#else
void LibRaw::fix_after_rawspeed(int)
{
}
#endif

void LibRaw::clearCancelFlag()
{
#ifdef WIN32
	InterlockedExchange(&_exitflag, 0);
#else
	__sync_fetch_and_and(&_exitflag, 0);
#endif
#ifdef RAWSPEED_FASTEXIT
	if (_rawspeed_decoder)
	{
		RawDecoder *d = static_cast<RawDecoder*>(_rawspeed_decoder);
		d->resumeProcessing();
	}
#endif

}

void LibRaw::setCancelFlag()
{
#ifdef WIN32
  InterlockedExchange(&_exitflag,1);
#else
  __sync_fetch_and_add(&_exitflag,1);
#endif
#ifdef RAWSPEED_FASTEXIT
  if(_rawspeed_decoder)
    {
      RawDecoder *d = static_cast<RawDecoder*>(_rawspeed_decoder);
      d->cancelProcessing();
    }
#endif
}

void LibRaw::checkCancel()
{
#ifdef WIN32
  if(InterlockedExchange(&_exitflag,0))
    throw LIBRAW_EXCEPTION_CANCELLED_BY_CALLBACK;
#else
  if( __sync_fetch_and_and(&_exitflag,0))
    throw LIBRAW_EXCEPTION_CANCELLED_BY_CALLBACK;
#endif
}

int LibRaw::unpack(void)
{
  CHECK_ORDER_HIGH(LIBRAW_PROGRESS_LOAD_RAW);
  CHECK_ORDER_LOW(LIBRAW_PROGRESS_IDENTIFY);
  try {

    if(!libraw_internal_data.internal_data.input)
      return LIBRAW_INPUT_CLOSED;

    RUN_CALLBACK(LIBRAW_PROGRESS_LOAD_RAW,0,2);
    if (O.shot_select >= P1.raw_count)
      return LIBRAW_REQUEST_FOR_NONEXISTENT_IMAGE;

    if(!load_raw)
      return LIBRAW_UNSPECIFIED_ERROR;

    // already allocated ?
    if(imgdata.image)
      {
        free(imgdata.image);
        imgdata.image = 0;
      }
    if(imgdata.rawdata.raw_alloc)
      {
        free(imgdata.rawdata.raw_alloc);
        imgdata.rawdata.raw_alloc = 0;
      }
    if (libraw_internal_data.unpacker_data.meta_length)
      {
        libraw_internal_data.internal_data.meta_data =
          (char *) malloc (libraw_internal_data.unpacker_data.meta_length);
        merror (libraw_internal_data.internal_data.meta_data, "LibRaw::unpack()");
      }

    libraw_decoder_info_t decoder_info;
    get_decoder_info(&decoder_info);

    int save_iwidth = S.iwidth, save_iheight = S.iheight, save_shrink = IO.shrink;

    int rwidth = S.raw_width, rheight = S.raw_height;
    if( !IO.fuji_width)
      {
        // adjust non-Fuji allocation
        if(rwidth < S.width + S.left_margin)
          rwidth = S.width + S.left_margin;
        if(rheight < S.height + S.top_margin)
          rheight = S.height + S.top_margin;
      }

    imgdata.rawdata.raw_image = 0;
    imgdata.rawdata.color4_image = 0;
    imgdata.rawdata.color3_image = 0;
#ifdef USE_RAWSPEED