mirror of
https://github.com/Ryujinx/GtkSharp.git
synced 2024-09-09 00:13:20 +02:00
52 lines
1.5 KiB
C#
52 lines
1.5 KiB
C#
//
|
|
// System.Drawing integration with Gtk#
|
|
//
|
|
// Miguel de Icaza
|
|
//
|
|
// 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 Gdk {
|
|
public class Graphics {
|
|
|
|
[DllImport("libgdk-win32-2.0-0.dll")]
|
|
internal static extern IntPtr gdk_x11_drawable_get_xdisplay (IntPtr raw);
|
|
|
|
[DllImport("libgdk-win32-2.0-0.dll")]
|
|
internal static extern IntPtr gdk_x11_drawable_get_xid (IntPtr raw);
|
|
|
|
public static System.Drawing.Graphics FromDrawable (Gdk.Drawable drawable)
|
|
{
|
|
IntPtr x_drawable;
|
|
int x_off = 0, y_off = 0;
|
|
|
|
|
|
if (drawable is Gdk.Window){
|
|
((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;
|
|
}
|
|
}
|
|
|
|
}
|