PNG_WROTE_INFO_BEFORE_PLTE 91 pngwrite.c if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE)) PNG_WROTE_INFO_BEFORE_PLTE 186 pngwrite.c png_ptr->mode |= PNG_WROTE_INFO_BEFORE_PLTE; PNG_WROTE_INFO_BEFORE_PLTE 696 pngwrite.c if (!(png_ptr->mode & PNG_WROTE_INFO_BEFORE_PLTE))