protected void OnDrawingarea1ExposeEvent (object o, ExposeEventArgs args)
{
var cw = new ContextWrapper (o);
cw.Translate (cw.Center);
cw.Context.LineWidth = 1;
cw.Circle (0, 0, 50);
cw.Context.StrokePreserve ();
cw.PushColor ();
cw.Color = new Color2 ("#FFC0CB");
cw.Context.Fill ();
cw.Circle (-50, -50, 100);
cw.PopColor ();
cw.Context.StrokePreserve ();
cw.Color = new Color2 ("yellow", 0.5);
cw.Context.Fill ();
cw.Color = new Color2 ("black");
cw.RoundedRectangle (new Rectangle(50, 50, 100, 50), 15);
cw.Context.Stroke ();
cw.Context.IdentityMatrix ();
cw.Translate (cw.Center);
var rnd = new Random ();
var points = new PointD[15];
for (var i = 0; i < points.Length; i++) {
var p = new PointD (rnd.Next (200) - 100, rnd.Next (200) - 100);
points[i] = p;
}
cw.Polygon (points);
cw.Context.StrokePreserve ();
cw.Context.Fill ();
cw.Close ();
}
protected virtual void OnDrawingarea1ExposeEvent (object o, Gtk.ExposeEventArgs args)
{
var cw = new ContextWrapper (o);
// draw scene
DrawScene (cw);
// modify scene params
ModifyScene (cw.Width, cw.Height);
cw.Close ();
}
protected virtual void OnDrawingarea1ExposeEvent (object o, Gtk.ExposeEventArgs args)
{
var cw = new ContextWrapper (o);
DrawScene (cw, alpha);
ModifyScene();
cw.Close ();
}