1 // 2 // 3 // Mono.Cairo drawing samples using image (png) as drawing surface 4 // Author: Hisham Mardam Bey <hisham@hisham.cc> 5 // 6 7 // 8 // Copyright (C) 2004 Novell, Inc (http://www.novell.com) 9 // 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: 17 // 18 // The above copyright notice and this permission notice shall be 19 // included in all copies or substantial portions of the Software. 20 // 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. 28 // 29 30 using System; 31 using Cairo; 32 33 public class CairoTest 34 { 35 static readonly double M_PI = 3.14159265358979323846; 36 37 38 draw(Cairo.Context gr, int width, int height)39 static void draw (Cairo.Context gr, int width, int height) 40 { 41 int w, h; 42 ImageSurface image; 43 44 gr.Scale (width, height); 45 gr.LineWidth = 0.04; 46 47 image = new ImageSurface ("data/e.png"); 48 w = image.Width; 49 h = image.Height; 50 51 gr.Translate (0.5, 0.5); 52 gr.Rotate (45* M_PI/180); 53 gr.Scale (1.0/w, 1.0/h); 54 gr.Translate (-0.5*w, -0.5*h); 55 56 image.Show (gr, 0, 0); 57 image.Destroy (); 58 } 59 Main()60 static void Main () 61 { 62 Surface s = new ImageSurface (Format.ARGB32, 500, 500); 63 Cairo.Context g = new Cairo.Context (s); 64 65 draw (g, 500, 500); 66 67 s.WriteToPng ("image.png"); 68 } 69 } 70
