--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/draw2d/NativeGraphicsSource.d	Sun Aug 03 00:52:14 2008 +0200
@@ -0,0 +1,60 @@
+/*******************************************************************************
+ * Copyright (c) 2005 IBM Corporation and others.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *     IBM Corporation - initial API and implementation
+ * Port to the D programming language:
+ *     Frank Benoit <benoit@tionex.de>
+ *******************************************************************************/
+
+module dwtx.draw2d.NativeGraphicsSource;
+
+import dwt.dwthelper.utils;
+
+
+
+import dwt.widgets.Control;
+import dwtx.draw2d.geometry.Rectangle;
+import dwtx.draw2d.GraphicsSource;
+import dwtx.draw2d.Graphics;
+
+/**
+ * A graphics source that posts a paint request to the control rather than constructing GC
+ * on it directly. This allows the OS's native painting mechanism to be used directly,
+ * including any double-buffering that the OS may provide for free.
+ * @since 3.2
+ */
+public final class NativeGraphicsSource : GraphicsSource {
+
+private final Control canvas;
+
+/**
+ * Constructs a new graphics source on the given control.
+ * @param canvas the control
+ * @since 3.2
+ */
+public this(Control canvas) {
+    this.canvas = canvas;
+}
+
+/**
+ * Always returns <code>null</code>, because
+ * @see GraphicsSource#getGraphics(Rectangle)
+ */
+public Graphics getGraphics(Rectangle r) {
+    canvas.redraw(r.x, r.y, r.width, r.height, false);
+    canvas.update();
+    return null;
+}
+
+/**
+ * Does nothing.
+ * @see GraphicsSource#flushGraphics(Rectangle)
+ */
+public void flushGraphics(Rectangle region) { }
+
+}