PNG_bKGD_SUPPORTED 840 extra_lib/include/png/png.h #if defined(PNG_bKGD_SUPPORTED) || defined(PNG_READ_BACKGROUND_SUPPORTED) PNG_bKGD_SUPPORTED 1262 extra_lib/include/png/png.h #if defined(PNG_bKGD_SUPPORTED) PNG_bKGD_SUPPORTED 2244 extra_lib/include/png/png.h #if defined(PNG_bKGD_SUPPORTED) PNG_bKGD_SUPPORTED 2249 extra_lib/include/png/png.h #if defined(PNG_bKGD_SUPPORTED) PNG_bKGD_SUPPORTED 968 extra_lib/include/png/pngconf.h # ifndef PNG_bKGD_SUPPORTED