Mozilla2:GFXColor

The Class

struct RGBA {
    double r, g, b, a;

    RGBA() { }
    RGBA(const RGBA& c) : r(c.r), g(c.g), b(c.b), a(c.a) {}
    RGBA(double _r, double _g, double _b, double _a=1.0) :
        r(_r), g(_g), b(_b), a(_a) {}
    RGBA(unsigned long c) {
        a = (c & 0xff) / 255.0;
        r = ((c >> 8) & 0xff) / 255.0;
        g = ((c >> 16) & 0xff) / 255.0;
        b = ((c >> 24) & 0xff) / 255.0;
    }
    RGBA(const nsAString& str) {
        a = 1.0;
        // if aString[0] is a #, parse it as hex
        // if aString[0] is a letter, parse it as a color name
        // if aString[0] is a number, parse it loosely as hex
    }

    const nsAString& hex() const {
    }
};