GetPixelRGBO 8502 coders/png.c GetPixelRGBO(q, transparent); GetPixelRGBO 8524 coders/png.c GetPixelRGBO(q, transparent+i); GetPixelRGBO 8534 coders/png.c GetPixelRGBO(q, semitransparent); GetPixelRGBO 8550 coders/png.c GetPixelRGBO(q, semitransparent+i);