/* What we do with the incoming data depends on what we were previously
* doing before we ran out of data...
*/
void /* PRIVATE */
png_process_some_data(png_structrp png_ptr, png_inforp info_ptr)
{
if (png_ptr == NULL)
return;
switch (png_ptr->process_mode)
{
case PNG_READ_SIG_MODE:
{
png_push_read_sig(png_ptr, info_ptr);
break;
}
case PNG_READ_CHUNK_MODE:
{
png_push_read_chunk(png_ptr, info_ptr);
break;
}
case PNG_READ_IDAT_MODE:
{
png_push_read_IDAT(png_ptr);
break;
}
default:
{
png_ptr->buffer_size = 0;
break;
}
}
}
/* What we do with the incoming data depends on what we were previously
* doing before we ran out of data...
*/
void /* PRIVATE */
png_process_some_data(png_structp png_ptr, png_infop info_ptr)
{
if(png_ptr == NULL) return;
png_ptr->process_mode = 1;
switch (png_ptr->process_mode)
{
case PNG_READ_SIG_MODE:
{
png_push_read_sig(png_ptr, info_ptr);
break;
}
case PNG_READ_CHUNK_MODE:
{
png_push_read_chunk(png_ptr, info_ptr);
break;
}
case PNG_READ_IDAT_MODE:
{
png_push_read_IDAT(png_ptr);
break;
}
#if defined(PNG_READ_tEXt_SUPPORTED)
case PNG_READ_tEXt_MODE:
{
png_push_read_tEXt(png_ptr, info_ptr);
break;
}
#endif
#if defined(PNG_READ_zTXt_SUPPORTED)
case PNG_READ_zTXt_MODE:
{
png_push_read_zTXt(png_ptr, info_ptr);
break;
}
#endif
#if defined(PNG_READ_iTXt_SUPPORTED)
case PNG_READ_iTXt_MODE:
{
png_push_read_iTXt(png_ptr, info_ptr);
break;
}
#endif
case PNG_SKIP_MODE:
{
png_push_crc_finish(png_ptr);
break;
}
default:
{
png_ptr->buffer_size = 0;
break;
}
}
}