Cairo.Context.ClipPreserve C# (CSharp) Метод

        public void ClipPreserve()
        {
            CheckDisposed ();
            NativeMethods.cairo_clip_preserve (handle);
        }

        public void clearAndClip(Context ctx)
        {
            if (list.Count == 0)
                return;
            foreach (Rectangle r in list)
                ctx.Rectangle(r);

            ctx.ClipPreserve();
            ctx.Operator = Operator.Clear;
            ctx.Fill();
            ctx.Operator = Operator.Over;
        }