question: public static int colorARGB ( int color , double alpha ) { int rgb = color & 0x00FFFFFF ; int a = ( int ) StrictMath . rint ( alpha * 255 ) ; int argb = rgb | ( a << 24 ) ; return argb ; }
target:  Adds alpha channel information to an RGB integer (in the highest 8 bits of the 32 bit integer) to create an ARGB integer as required by the SWF format.