113 lines
2.7 KiB
C#
113 lines
2.7 KiB
C#
//
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//
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// Mono.Cairo drawing samples using GTK# as drawing surface
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// Hisham Mardam Bey <hisham@hisham.cc>
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//
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using Cairo;
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using Gtk;
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public class GtkCairo
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{
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static DrawingArea a;
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static void Main ()
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{
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Application.Init ();
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Gtk.Window w = new Gtk.Window ("Mono.Cairo Circles demo");
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a = new CairoGraphic ();
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Box box = new HBox (true, 0);
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box.Add (a);
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w.Add (box);
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w.Resize (500,500);
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w.ShowAll ();
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Application.Run ();
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}
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}
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public class CairoGraphic : DrawingArea
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{
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static readonly double M_PI = 3.14159265358979323846;
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static void draw (Cairo.Context gr, int width, int height)
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{
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int w, h;
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ImageSurface image;
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gr.Scale (width, height);
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gr.LineWidth = 0.04;
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gr.Arc (0.5, 0.5, 0.3, 0, 2*M_PI);
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gr.Clip ();
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gr.NewPath ();
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image = new ImageSurface("data/e.png");
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w = image.Width;
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h = image.Height;
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gr.Scale (1.0/w, 1.0/h);
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image.Show (gr, 0, 0);
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image.Destroy();
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gr.Arc (0.5, 0.5, 0.3, 0, 2 * M_PI);
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gr.Clip ();
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gr.NewPath ();
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gr.Rectangle (new PointD (0, 0), 1, 1);
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gr.Fill ();
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gr.Color = new Color (0, 1, 0, 1);
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gr.MoveTo ( new PointD (0, 0) );
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gr.LineTo ( new PointD (1, 1) );
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gr.MoveTo ( new PointD (1, 0) );
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gr.LineTo ( new PointD (0, 1) );
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gr.Stroke ();
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}
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protected override bool OnExposeEvent (Gdk.EventExpose args)
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{
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Gdk.Window win = args.Window;
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//Gdk.Rectangle area = args.Area;
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Cairo.Context g = Gdk.Context.CreateDrawable (win);
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int x, y, w, h, d;
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win.GetGeometry(out x, out y, out w, out h, out d);
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draw (g, w, h);
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return true;
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}
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}
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