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d944e97bf2
* configure.in : add test for System.Drawing. expand gtkdotnet. * Makefile.am : add gtkdotnet. * makefile.win32 : add gtkdotnet. * gtkdotnet/* : new .Net extensions assembly. Moved the sample sysdraw.cs Graphics class in here under the Gtk.DotNet namespace. * sample/sysdraw.cs : moved to gtkdotnet/Graphics.cs. * sample/drawing-sample.exe.config.in : killed. * sample/DrawingSample.cs : use Gtk.DotNet.Graphics. * sample/Makefile.am : make drawing-sample.exe build conditional on gtk-dotnet presence. svn path=/trunk/gtk-sharp/; revision=38745
70 lines
2.3 KiB
C#
70 lines
2.3 KiB
C#
// Graphics.cs - System.Drawing integration with Gtk#
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//
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// Author: Miguel de Icaza <miguel@novell.com>
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//
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// Copyright (c) 2004 Novell, Inc.
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of version 2 of the Lesser GNU General
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// Public License as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this program; if not, write to the
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// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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// Boston, MA 02111-1307, USA.
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// API issues:
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// Maybe make the translation `out' parameters so they are explicit and the user knows about it?
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// Add a way to copy a Graphics into a drawable?
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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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namespace Gtk.DotNet {
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public class Graphics {
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private Graphics () {}
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[DllImport("libgdk-win32-2.0-0.dll")]
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internal static extern IntPtr gdk_x11_drawable_get_xdisplay (IntPtr raw);
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[DllImport("libgdk-win32-2.0-0.dll")]
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internal static extern IntPtr gdk_x11_drawable_get_xid (IntPtr raw);
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public static System.Drawing.Graphics FromDrawable (Gdk.Drawable drawable)
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{
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IntPtr x_drawable;
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int x_off = 0, y_off = 0;
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if (drawable is Gdk.Window)
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((Gdk.Window) drawable).GetInternalPaintInfo(out drawable, out x_off, out y_off);
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x_drawable = drawable.Handle;
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IntPtr display = gdk_x11_drawable_get_xdisplay (x_drawable);
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Type graphics = typeof (System.Drawing.Graphics);
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MethodInfo mi = graphics.GetMethod ("FromXDrawable", BindingFlags.Static | BindingFlags.NonPublic);
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if (mi == null)
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throw new NotImplementedException ("In this implementation I can not get a graphics from a drawable");
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object [] args = new object [2] { (IntPtr) gdk_x11_drawable_get_xid (drawable.Handle), (IntPtr) display };
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object r = mi.Invoke (null, args);
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System.Drawing.Graphics g = (System.Drawing.Graphics) r;
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g.TranslateTransform (-x_off, -y_off);
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return g;
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}
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}
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}
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