3 // Mono.Cairo drawing samples using image (png) as drawing surface
4 // Author: 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.
33 public class CairoTest
35 static readonly double M_PI = 3.14159265358979323846;
37 static void draw (Cairo.Graphics gr, int width, int height)
42 gr.Scale (width, height);
45 gr.Arc (0.5, 0.5, 0.3, 0, 2*M_PI);
49 image = new SurfaceImage("data/e.png");
53 gr.Scale (1.0/w, 1.0/h);
55 image.Show (gr, 0, 0);
59 gr.Arc (0.5, 0.5, 0.3, 0, 2 * M_PI);
63 gr.Rectangle (new PointD (0, 0), 1, 1);
65 gr.Color = new Color (0, 1, 0, 1);
66 gr.MoveTo ( new PointD (0, 0) );
67 gr.LineTo ( new PointD (1, 1) );
68 gr.MoveTo ( new PointD (1, 0) );
69 gr.LineTo ( new PointD (0, 1) );
76 Surface s = Surface.CreateForImage (Format.ARGB32, 500, 500);
77 Cairo.Graphics g = new Cairo.Graphics (s);
81 s.WriteToPng ("clip_img.png");