Lines Matching refs:PNG_RGB_TO_GRAY
940 png_ptr->transformations |= PNG_RGB_TO_GRAY;
963 png_ptr->transformations &= ~PNG_RGB_TO_GRAY;
1322 * 3) PNG_RGB_TO_GRAY
1507 * PNG_RGB_TO_GRAY if PNG_GAMMA is not set? The answer seems to be that
1518 || ((png_ptr->transformations & PNG_RGB_TO_GRAY)
1543 if (png_ptr->transformations & PNG_RGB_TO_GRAY)
1765 (png_ptr->transformations & PNG_RGB_TO_GRAY) == 0)
1980 if (png_ptr->transformations & PNG_RGB_TO_GRAY)
2141 if (png_ptr->transformations & PNG_RGB_TO_GRAY)
2150 if ((png_ptr->transformations & PNG_RGB_TO_GRAY) ==
2154 if ((png_ptr->transformations & PNG_RGB_TO_GRAY) ==
2211 !(png_ptr->transformations & PNG_RGB_TO_GRAY) &&
