Lines Matching refs:PNG_BACKGROUND_IS_GRAY
747 * PNG_BACKGROUND_IS_GRAY only to decide when to do the
753 png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
760 png_ptr->mode |= PNG_BACKGROUND_IS_GRAY;
1366 !(png_ptr->mode & PNG_BACKGROUND_IS_GRAY))
1443 (png_ptr->mode & PNG_BACKGROUND_IS_GRAY))
