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)
44 gr.Scale (width, height);
47 image = new SurfaceImage ("data/e.png");
51 pattern = new Pattern (image);
52 pattern.Extend = Cairo.Extend.Repeat;
54 gr.Translate (0.5, 0.5);
56 gr.Scale (1 / Math.Sqrt (2), 1 / Math.Sqrt (2));
57 gr.Translate (- 0.5, - 0.5);
59 matrix = new Matrix ();
60 matrix.InitScale (w * 5.0, h * 5.0);
62 pattern.Matrix = matrix;
66 gr.Rectangle ( new PointD (0, 0),
76 Surface s = Surface.CreateForImage (Format.ARGB32, 500, 500);
77 Cairo.Graphics g = new Cairo.Graphics (s);
81 s.WriteToPng ("image_pattern.png");