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

      d_info->decoder_name = "x3f_load_raw()";
      d_info->decoder_flags = LIBRAW_DECODER_OWNALLOC;
    }
#ifdef LIBRAW_DEMOSAIC_PACK_GPL2
  else if (load_raw == &LibRaw::foveon_sd_load_raw )
    {
      d_info->decoder_name = "foveon_sd_load_raw()";
    }
  else if (load_raw == &LibRaw::foveon_dp_load_raw )
    {
      d_info->decoder_name = "foveon_dp_load_raw()";
    }
#endif
  else
    {
      d_info->decoder_name = "Unknown unpack function";
      d_info->decoder_flags = LIBRAW_DECODER_NOTSET;
    }
  return LIBRAW_SUCCESS;
}

int LibRaw::adjust_maximum()
{
    ushort real_max;
    float  auto_threshold;

    if(O.adjust_maximum_thr < 0.00001)
        return LIBRAW_SUCCESS;
    else if (O.adjust_maximum_thr > 0.99999)
        auto_threshold = LIBRAW_DEFAULT_ADJUST_MAXIMUM_THRESHOLD;
    else
        auto_threshold = O.adjust_maximum_thr;


    real_max = C.data_maximum;
    if (real_max > 0 && real_max < C.maximum && real_max > C.maximum* auto_threshold)
      {
        C.maximum = real_max;
      }
    return LIBRAW_SUCCESS;
}


void LibRaw:: merror (void *ptr, const char *where)
{
    if (ptr) return;
    if(callbacks.mem_cb)(*callbacks.mem_cb)(callbacks.memcb_data,
                                            libraw_internal_data.internal_data.input
                                            ?libraw_internal_data.internal_data.input->fname()
                                            :NULL,
                                            where);
    throw LIBRAW_EXCEPTION_ALLOC;
}



int LibRaw::open_file(const char *fname, INT64 max_buf_size)
{
#ifndef WIN32
  struct stat st;
  if(stat(fname,&st))
    return LIBRAW_IO_ERROR;
  int big = (st.st_size > max_buf_size)?1:0;
#else
  struct _stati64 st;
  if(_stati64(fname,&st))
    return LIBRAW_IO_ERROR;
  int big = (st.st_size > max_buf_size)?1:0;
#endif

  LibRaw_abstract_datastream *stream;
  try {
    if(big)
      stream = new LibRaw_bigfile_datastream(fname);
    else
      stream = new LibRaw_file_datastream(fname);
  }

  catch (std::bad_alloc)
    {
      recycle();
      return LIBRAW_UNSUFFICIENT_MEMORY;
    }
  if(!stream->valid())
    {
      delete stream;
      return LIBRAW_IO_ERROR;
    }
  ID.input_internal = 0; // preserve from deletion on error
  int ret = open_datastream(stream);
  if (ret == LIBRAW_SUCCESS)
    {
      ID.input_internal =1 ; // flag to delete datastream on recycle
    }
  else
    {
      delete stream;
      ID.input_internal = 0;
    }
  return ret;
}

#if defined(_WIN32) && !defined(__MINGW32__) && defined(_MSC_VER) && (_MSC_VER > 1310)
int LibRaw::open_file(const wchar_t *fname, INT64 max_buf_size)
{
  struct _stati64 st;
  if(_wstati64(fname,&st))
    return LIBRAW_IO_ERROR;
  int big = (st.st_size > max_buf_size)?1:0;

  LibRaw_abstract_datastream *stream;
  try {
    if(big)
      stream = new LibRaw_bigfile_datastream(fname);
    else
      stream = new LibRaw_file_datastream(fname);
  }

  catch (std::bad_alloc)
    {
      recycle();