46 lines
1.4 KiB
C#
46 lines
1.4 KiB
C#
using System;
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using Cairo;
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using System.Runtime.InteropServices;
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public class GtkCairo {
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#region You can cut and paste this into your application
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[DllImport("libgdk-win32-2.0-0.dll")]
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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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static extern IntPtr gdk_x11_drawable_get_xid (IntPtr raw);
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[DllImport("libgdk-win32-2.0-0.dll")]
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static extern void gdk_window_get_internal_paint_info(IntPtr raw, out IntPtr real_drawable, out int x_offset, out int y_offset);
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static public Cairo.Graphics GraphicsFromWindow (Gdk.Window window, out int offset_x, out int offset_y)
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{
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IntPtr real_drawable;
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Cairo.Graphics o = new Cairo.Graphics ();
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gdk_window_get_internal_paint_info (window.Handle, out real_drawable, out offset_x, out offset_y);
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IntPtr x11 = gdk_x11_drawable_get_xid (real_drawable);
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IntPtr display = gdk_x11_drawable_get_xdisplay (real_drawable);
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o.SetTargetDrawable (display, x11);
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return o;
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}
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static public Cairo.Graphics GraphicsFromDrawable (Gdk.Drawable drawable)
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{
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Cairo.Graphics o = new Cairo.Graphics ();
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IntPtr display = gdk_x11_drawable_get_xdisplay (drawable.Handle);
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o.SetTargetDrawable (display, gdk_x11_drawable_get_xid (drawable.Handle));
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return o;
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}
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static GtkCairo ()
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{
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}
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#endregion
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}
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