--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dwtx/draw2d/AbstractBorder.d	Sun Aug 03 00:52:14 2008 +0200
@@ -0,0 +1,70 @@
+/*******************************************************************************
+ * Copyright (c) 2000, 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.AbstractBorder;
+
+import dwt.dwthelper.utils;
+
+import dwtx.draw2d.Border;
+import dwtx.draw2d.IFigure;
+
+import dwtx.draw2d.geometry.Dimension;
+import dwtx.draw2d.geometry.Insets;
+import dwtx.draw2d.geometry.Rectangle;
+
+/**
+ * Provides generic support for borders.
+ * @author hudsonr
+ */
+public abstract class AbstractBorder
+    : Border
+{
+
+private static const Dimension EMPTY;
+
+/** A temporary Rectangle*/
+protected static Rectangle tempRect;
+
+static this(){
+    EMPTY = new Dimension();
+    tempRect = new Rectangle();
+}
+
+/**
+ * Returns a temporary rectangle representing the figure's bounds cropped by the specified
+ * insets.  This method exists for convenience and performance; the method does not new
+ * any Objects and returns a rectangle which the caller can manipulate.
+ * @since 2.0
+ * @param figure  Figure for which the paintable rectangle is needed
+ * @param insets The insets
+ * @return The paintable region on the Figure f
+ */
+protected static final Rectangle getPaintRectangle(IFigure figure, Insets insets) {
+    tempRect.setBounds(figure.getBounds());
+    return tempRect.crop(insets);
+}
+
+/**
+ * @see dwtx.draw2d.Border#getPreferredSize(IFigure)
+ */
+public Dimension getPreferredSize(IFigure f) {
+    return EMPTY;
+}
+
+/**
+ * @see dwtx.draw2d.Border#isOpaque()
+ */
+public bool isOpaque() {
+    return false;
+}
+
+}