public override void Draw(IColor color, Geometry2D.Single.Box region)
{
GL.Disable(OpenTK.Graphics.OpenGL.EnableCap.Texture2D);
Color.Bgra bgra = color.Convert<Color.Bgra>();
GL.Color4(bgra.Red, bgra.Green, bgra.Blue, bgra.Alpha);
this.CreateRectangle(region);
}