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In as3, is there a utility or function to convert an RGB color (e.g. 0xFF0000) and an alpha value (e.g. .5) into a A 32-bit ARGB value?
And from ARGB to RGB + alpha?
Some explanation: a bitmapdata can take an ARGB value in its constructor, but filling shapes in sprites usually takes RGB values. I would like the aforementioned utilities to ensure colors match up.
var argb : int = (alpha<<24)|rgb;
var rgb : int = 0xFFFFFF & argb;
var alpha : int = (argb>>24)&0xFF;