add Window.SetComposeMethod
@@ -381,6 +381,12 @@ func (w *Window) SetColorMask(c color.Color) {
w.canvas.SetColorMask(c)
}
+// SetComposeMethod sets a Porter-Duff composition method to be used in the following draws onto
+// this Window.
+func (w *Window) SetComposeMethod(cmp pixel.ComposeMethod) {
+ w.canvas.SetComposeMethod(cmp)
+}
+
// SetSmooth sets whether the stretched Pictures drawn onto this Window should be drawn smooth or
// pixely.
func (w *Window) SetSmooth(smooth bool) {
