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2005-04-26 Miguel de Icaza <miguel@novell.com>

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* gtkdotnet/Graphics.cs: Contribution from Sebastian Faltoni
	<sebastian.faltoni@gmail.com> that implements support for using
	System.Drawing on Windows.


svn path=/trunk/gtk-sharp/; revision=43619
This commit is contained in:
Miguel de Icaza 2005-04-26 19:54:31 +00:00
parent f88799c77e
commit 01b62e8572
2 changed files with 60 additions and 19 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2005-04-26 Miguel de Icaza <miguel@novell.com>
* gtkdotnet/Graphics.cs: Contribution from Sebastian Faltoni
<sebastian.faltoni@gmail.com> that implements support for using
System.Drawing on Windows.
2005-04-26 Mike Kestner <mkestner@novell.com> 2005-04-26 Mike Kestner <mkestner@novell.com>
* gtk/NodeStore.cs : implement IEnumerable. * gtk/NodeStore.cs : implement IEnumerable.

37
gtkdotnet/Graphics.cs
View file

@ -33,6 +33,15 @@ namespace Gtk.DotNet {
private Graphics () {} private Graphics () {}
[DllImport("libgdk-win32-2.0-0.dll")]
internal static extern IntPtr gdk_win32_drawable_get_handle(IntPtr raw);
[DllImport("libgdk-win32-2.0-0.dll")]
internal static extern IntPtr gdk_win32_hdc_get(IntPtr drawable, IntPtr gc, int usage);
[DllImport("libgdk-win32-2.0-0.dll")]
internal static extern void gdk_win32_hdc_release(IntPtr drawable,IntPtr gc,int usage);
[DllImport("libgdk-win32-2.0-0.dll")] [DllImport("libgdk-win32-2.0-0.dll")]
internal static extern IntPtr gdk_x11_drawable_get_xdisplay (IntPtr raw); internal static extern IntPtr gdk_x11_drawable_get_xdisplay (IntPtr raw);
@ -40,12 +49,37 @@ namespace Gtk.DotNet {
internal static extern IntPtr gdk_x11_drawable_get_xid (IntPtr raw); internal static extern IntPtr gdk_x11_drawable_get_xid (IntPtr raw);
public static System.Drawing.Graphics FromDrawable (Gdk.Drawable drawable) public static System.Drawing.Graphics FromDrawable (Gdk.Drawable drawable)
{
return FromDrawable (drawable, true);
}
public static System.Drawing.Graphics FromDrawable(Gdk.Drawable drawable, bool double_buffered)
{ {
IntPtr x_drawable; IntPtr x_drawable;
int x_off = 0, y_off = 0; int x_off = 0, y_off = 0;
PlatformID osversion = Environment.OSVersion.Platform;
if (drawable is Gdk.Window) 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);
Gdk.GC 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); ((Gdk.Window) drawable).GetInternalPaintInfo(out drawable, out x_off, out y_off);
x_drawable = drawable.Handle; x_drawable = drawable.Handle;
@ -65,5 +99,6 @@ namespace Gtk.DotNet {
return g; return g;
} }
} }
}
} }