Cairo.Context.Translate C# (CSharp) Метод

        public void Translate(double tx, double ty)
        {
            CheckDisposed ();
            NativeMethods.cairo_translate (handle, tx, ty);
        }

        private void DrawShape(Cairo.Context g, int width, int height)
        {
            int inner_x = radius + border + inner;
            int cx      = Center.X;
            int cy      = Center.Y;

            g.Operator = Operator.Source;
            g.Source   = new SolidPattern(new Cairo.Color(0, 0, 0, 0));
            g.Rectangle(0, 0, width, height);
            g.Paint();

            g.NewPath();
            g.Translate(cx, cy);
            g.Rotate(angle);

            g.Source   = new SolidPattern(new Cairo.Color(0.2, 0.2, 0.2, .6));
            g.Operator = Operator.Over;
            g.Rectangle(0, -(border + inner), inner_x, 2 * (border + inner));
            g.Arc(inner_x, 0, inner + border, 0, 2 * Math.PI);
            g.Arc(0, 0, radius + border, 0, 2 * Math.PI);
            g.Fill();

            g.Source   = new SolidPattern(new Cairo.Color(0, 0, 0, 1.0));
            g.Operator = Operator.DestOut;
            g.Arc(inner_x, 0, inner, 0, 2 * Math.PI);
#if true
            g.Fill();
#else
            g.FillPreserve();

            g.Operator = Operator.Over;
            RadialGradient rg = new RadialGradient(inner_x - (inner * 0.3), inner * 0.3, inner * 0.1, inner_x, 0, inner);
            rg.AddColorStop(0, new Cairo.Color(0.0, 0.2, .8, 0.5));
            rg.AddColorStop(0.7, new Cairo.Color(0.0, 0.2, .8, 0.1));
            rg.AddColorStop(1.0, new Cairo.Color(0.0, 0.0, 0.0, 0.0));
            g.Source = rg;
            g.Fill();
            rg.Destroy();
#endif
            g.Operator = Operator.Over;
            g.Matrix   = new Matrix();
            g.Translate(cx, cy);
            if (source != null)
            {
                SetSourcePixbuf(g, source, -source.Width / 2, -source.Height / 2);
            }

            g.Arc(0, 0, radius, 0, 2 * Math.PI);
            g.Fill();

            if (overlay != null)
            {
                SetSourcePixbuf(g, overlay, -overlay.Width / 2, -overlay.Height / 2);
                g.Arc(0, 0, radius, angle, angle + Math.PI);
                g.ClosePath();
                g.FillPreserve();
                g.Source = new SolidPattern(new Cairo.Color(1.0, 1.0, 1.0, 1.0));
                g.Stroke();
            }
        }