mirror of
https://github.com/Ryujinx/GtkSharp.git
synced 2024-12-23 20:05:29 +00:00
109 lines
3.8 KiB
C#
109 lines
3.8 KiB
C#
// Graphics.cs - System.Drawing integration with Gtk#
|
|
//
|
|
// Author: Miguel de Icaza <miguel@novell.com>
|
|
//
|
|
// Copyright (c) 2004 Novell, Inc.
|
|
//
|
|
// This program is free software; you can redistribute it and/or
|
|
// modify it under the terms of version 2 of the Lesser GNU General
|
|
// Public License as published by the Free Software Foundation.
|
|
//
|
|
// This program is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this program; if not, write to the
|
|
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
// Boston, MA 02111-1307, USA.
|
|
|
|
|
|
// API issues:
|
|
// Maybe make the translation `out' parameters so they are explicit and the user knows about it?
|
|
// Add a way to copy a Graphics into a drawable?
|
|
//
|
|
|
|
using System;
|
|
using System.Reflection;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace Gtk.DotNet {
|
|
public class Graphics {
|
|
|
|
private Graphics () {}
|
|
|
|
[DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
internal static extern IntPtr gdk_win32_drawable_get_handle(IntPtr raw);
|
|
|
|
[DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
internal static extern IntPtr gdk_win32_hdc_get(IntPtr drawable, IntPtr gc, int usage);
|
|
|
|
[DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
internal static extern void gdk_win32_hdc_release(IntPtr drawable,IntPtr gc,int usage);
|
|
|
|
[DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
internal static extern IntPtr gdk_x11_drawable_get_xdisplay (IntPtr raw);
|
|
|
|
[DllImport ("libgdk-win32-3.0-0.dll", CallingConvention = CallingConvention.Cdecl)]
|
|
internal static extern IntPtr gdk_x11_drawable_get_xid (IntPtr raw);
|
|
|
|
public static System.Drawing.Graphics FromDrawable (Gdk.Window drawable)
|
|
{
|
|
return FromDrawable (drawable, true);
|
|
}
|
|
|
|
public static System.Drawing.Graphics FromDrawable(Gdk.Window drawable, bool double_buffered)
|
|
{
|
|
#if FIXME30
|
|
IntPtr x_drawable;
|
|
int x_off = 0, y_off = 0;
|
|
|
|
PlatformID osversion = Environment.OSVersion.Platform;
|
|
|
|
if (osversion == PlatformID.Win32Windows || osversion == PlatformID.Win32NT ||
|
|
osversion == PlatformID.Win32S || osversion == PlatformID.WinCE){
|
|
if (drawable is Gdk.Window && double_buffered)
|
|
((Gdk.Window)drawable).GetInternalPaintInfo(out drawable, out x_off, out y_off);
|
|
|
|
Cairo.Context gcc = new Gdk.GC(drawable);
|
|
|
|
IntPtr windc = gdk_win32_hdc_get(drawable.Handle, gcc.Handle, 0);
|
|
|
|
System.Drawing.Graphics g = System.Drawing.Graphics.FromHdc(windc);
|
|
|
|
if (double_buffered) {
|
|
gdk_win32_hdc_release(drawable.Handle, gcc.Handle, 0);
|
|
}
|
|
|
|
g.TranslateTransform(-x_off, -y_off);
|
|
|
|
return g;
|
|
} else {
|
|
if (drawable is Gdk.Window && double_buffered)
|
|
((Gdk.Window) drawable).GetInternalPaintInfo(out drawable, out x_off, out y_off);
|
|
|
|
x_drawable = drawable.Handle;
|
|
|
|
IntPtr display = gdk_x11_drawable_get_xdisplay (x_drawable);
|
|
|
|
Type graphics = typeof (System.Drawing.Graphics);
|
|
MethodInfo mi = graphics.GetMethod ("FromXDrawable", BindingFlags.Static | BindingFlags.NonPublic);
|
|
if (mi == null)
|
|
throw new NotImplementedException ("In this implementation I can not get a graphics from a drawable");
|
|
object [] args = new object [2] { (IntPtr) gdk_x11_drawable_get_xid (drawable.Handle), (IntPtr) display };
|
|
object r = mi.Invoke (null, args);
|
|
System.Drawing.Graphics g = (System.Drawing.Graphics) r;
|
|
|
|
g.TranslateTransform (-x_off, -y_off);
|
|
|
|
return g;
|
|
}
|
|
#else
|
|
throw new NotSupportedException ();
|
|
#endif
|
|
}
|
|
}
|
|
|
|
}
|