Color.Clear to make it possible transparency with GroupBox Title

without the border over the text
test0 to test the concept

1 files changed, 7 insertions, 0 deletions

diff --git a/src/GraphicObjects/GraphicObject.cs b/src/GraphicObjects/GraphicObject.cs
index c3c22e7b..6a146c64 100644
--- a/src/GraphicObjects/GraphicObject.cs
+++ b/src/GraphicObjects/GraphicObject.cs
@@ -664,6 +664,13 @@ namespace go
 			Rectangle rb = Parent.ContextCoordinates(Slot);

 

 			using (ImageSurface source = new ImageSurface(bmp, Format.Argb32, rb.Width, rb.Height, 4 * Slot.Width)) {

+				if (this.Background == Color.Clear) {

+					ctx.Save ();

+					ctx.Operator = Operator.Clear;

+					ctx.Rectangle(rb);

+					ctx.Fill ();

+					ctx.Restore ();

+				}

 				ctx.SetSourceSurface (source, rb.X, rb.Y);

 				ctx.Paint ();

 			}