protected void UpdateTexture ()
{
text.SetSurfaceSize ((uint) (Width+MarginX),(uint) (Height+MarginY));
text.Clear ();
Cairo.Context context = text.Create ();
double lwidth = 1;
double hlwidth = lwidth*0.5;
double width = Width - lwidth;
double height = Height - lwidth;
double radius = Math.Min(marginX, marginY)*0.75;
if ((radius > height / 2) || (radius > width / 2))
radius = Math.Min(height / 2, width / 2);
context.MoveTo (hlwidth, hlwidth + radius);
context.Arc (hlwidth + radius, hlwidth + radius, radius, Math.PI, -Math.PI / 2);
context.LineTo (hlwidth + width - radius, hlwidth);
context.Arc (hlwidth + width - radius, hlwidth + radius, radius, -Math.PI / 2, 0);
context.LineTo (hlwidth + width, hlwidth + height - radius);
context.Arc (hlwidth + width - radius, hlwidth + height - radius, radius, 0, Math.PI / 2);
context.LineTo (hlwidth + radius, hlwidth + height);
context.Arc (hlwidth + radius, hlwidth + height - radius, radius, Math.PI / 2, Math.PI);
context.ClosePath ();
context.LineWidth = lwidth;
context.SetSourceRGB (1.0,1.0,1.0);
context.Stroke ();
((IDisposable) context.Target).Dispose ();
((IDisposable) context).Dispose ();
}
public static void MakeReflection(Cairo.ImageSurface source, CairoTexture dest)
{
int w = source.Width + 4;
int h = source.Height * 2 + 4;
dest.SetSurfaceSize((uint)w, (uint)h);
Cairo.Context context = dest.Create();
MakeReflection(context, source, w, h);
//((IDisposable) context.Target).Dispose ();
((IDisposable)context).Dispose();
}
