90 lines
2.5 KiB
C#
90 lines
2.5 KiB
C#
//
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//
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// Mono.Cairo drawing samples using X11 as drawing surface
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// Autor: Hisham Mardam Bey <hisham@hisham.cc>
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//
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//
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// Copyright (C) 2005 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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public class X11Test
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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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gr.Scale (width, height);
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gr.LineWidth = 0.04;
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LinearGradient pat = new LinearGradient (0.0, 0.0, 0.0, 1.0);
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pat.AddColorStop (1, new Color (0, 0, 0, 1) );
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pat.AddColorStop (0, new Color (1, 1, 1, 1) );
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gr.Rectangle ( new PointD (0, 0),
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1, 1
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);
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gr.Pattern = pat;
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gr.Fill ();
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pat.Destroy ();
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RadialGradient pat2 = new RadialGradient (0.45, 0.4, 0.1,
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0.4, 0.4, 0.5);
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pat2.AddColorStop (0, new Color (1, 1, 1, 1) );
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pat2.AddColorStop (1, new Color (0, 0, 0, 1) );
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gr.Pattern = pat2;
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gr.Arc (0.5, 0.5, 0.3, 0, 2 * M_PI);
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gr.Fill ();
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pat2.Destroy ();
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}
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static void Main (string [] args)
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{
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Window win = new Window (500, 500);
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win.Show ();
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Cairo.XlibSurface s = new Cairo.XlibSurface (win.Display,
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win.XWindow,
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X11.XDefaultVisual (win.Display, win.Screen),
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(int)win.Width, (int)win.Height);
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Cairo.Context g = new Cairo.Context (s);
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draw (g, 500, 500);
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IntPtr xev = new IntPtr ();
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while (true) {
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X11.XNextEvent (win.Display, xev);
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}
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}
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}
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