static public RGBA operator*(RGBA rgba, double scale)
{
rgba.Red = RGBA.ToByte(rgba.Red * scale);
rgba.Green = RGBA.ToByte(rgba.Green * scale);
rgba.Blue = RGBA.ToByte(rgba.Blue * scale);
rgba.Alpha = RGBA.ToByte(rgba.Alpha * scale);
return(rgba);
}
//------------------------------------------------------------------------------------
//------------------------------------------------------------------------------------
// offset rgba value by a constant
static public RGBA operator+(RGBA rgba, int offset)
{
rgba.Red = RGBA.ToByte(rgba.Red + offset);
rgba.Green = RGBA.ToByte(rgba.Green + offset);
rgba.Blue = RGBA.ToByte(rgba.Blue + offset);
rgba.Alpha = RGBA.ToByte(rgba.Alpha + offset);
return(rgba);
}
static public RGBA operator+(RGBA rgba, double d)
{
int offset = (int)(d * 255);
rgba.Red = RGBA.ToByte(rgba.Red + offset);
rgba.Green = RGBA.ToByte(rgba.Green + offset);
rgba.Blue = RGBA.ToByte(rgba.Blue + offset);
rgba.Alpha = RGBA.ToByte(rgba.Alpha + offset);
return(rgba);
}
