PNG_INFO_sPLT 265 contrib/libtests/pngunknown.c { "sPLT", PNG_INFO_sPLT, png_sPLT, PNG_INFO_sPLT 561 png.c info_ptr->valid &= ~PNG_INFO_sPLT; PNG_INFO_sPLT 1057 pngset.c info_ptr->valid |= PNG_INFO_sPLT; PNG_INFO_sPLT 273 pngwrite.c if (info_ptr->valid & PNG_INFO_sPLT)