3 // Mono.Cairo drawing samples using GTK# as drawing surface
4 // Hisham Mardam Bey <hisham@hisham.cc>
8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31 using System.Reflection;
32 using System.Runtime.InteropServices;
43 Gtk.Window w = new Gtk.Window ("Mono.Cairo Circles demo");
45 a = new CairoGraphic ();
47 Box box = new HBox (true, 0);
58 public class CairoGraphic : DrawingArea
60 static readonly double M_PI = 3.14159265358979323846;
62 static void draw (Cairo.Context gr, int width, int height)
67 gr.Scale (width, height);
70 gr.Arc (0.5, 0.5, 0.3, 0, 2*M_PI);
74 image = new ImageSurface("data/e.png");
78 gr.Scale (1.0/w, 1.0/h);
80 image.Show (gr, 0, 0);
84 gr.Arc (0.5, 0.5, 0.3, 0, 2 * M_PI);
88 gr.Rectangle (new PointD (0, 0), 1, 1);
90 gr.Color = new Color (0, 1, 0, 1);
91 gr.MoveTo ( new PointD (0, 0) );
92 gr.LineTo ( new PointD (1, 1) );
93 gr.MoveTo ( new PointD (1, 0) );
94 gr.LineTo ( new PointD (0, 1) );
98 protected override bool OnExposeEvent (Gdk.EventExpose args)
100 Gdk.Window win = args.Window;
101 //Gdk.Rectangle area = args.Area;
103 Cairo.Context g = Gdk.Context.CreateDrawable (win);
106 win.GetGeometry(out x, out y, out w, out h, out d);