Searched refs:PNG_DITHER (Results 1 – 2 of 2) sorted by relevance
172 png_ptr->transformations |= PNG_DITHER; in png_set_dither()1258 if (png_ptr->transformations & PNG_DITHER) in png_read_transform_info()1482 if (png_ptr->transformations & PNG_DITHER) in png_do_read_transformations()
2929 #define PNG_DITHER 0x0040 macro