| static private AlphaBlend ( MonoDevelop.Components.HslColor fore, MonoDevelop.Components.HslColor back, double alpha ) : MonoDevelop.Components.HslColor | ||
| fore | MonoDevelop.Components.HslColor | |
| back | MonoDevelop.Components.HslColor | |
| alpha | double | |
| return | MonoDevelop.Components.HslColor | |
internal static HslColor AlphaBlend (HslColor fore, HslColor back, double alpha)
{
var fc = (Cairo.Color)fore;
var bc = (Cairo.Color)back;
return new HslColor (
(1.0 - alpha) * bc.R + alpha * fc.R,
(1.0 - alpha) * bc.G + alpha * fc.G,
(1.0 - alpha) * bc.B + alpha * fc.B);
}