| /******************************************************************************* |
| * 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 |
| *******************************************************************************/ |
| package org.eclipse.draw2d; |
| |
| import org.eclipse.draw2d.geometry.Dimension; |
| import org.eclipse.draw2d.geometry.Insets; |
| import org.eclipse.draw2d.geometry.Rectangle; |
| |
| /** |
| * Provides generic support for borders. |
| * @author hudsonr |
| */ |
| public abstract class AbstractBorder |
| implements Border |
| { |
| |
| private static final Dimension EMPTY = new Dimension(); |
| |
| /** A temporary Rectangle*/ |
| protected static Rectangle 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 org.eclipse.draw2d.Border#getPreferredSize(IFigure) |
| */ |
| public Dimension getPreferredSize(IFigure f) { |
| return EMPTY; |
| } |
| |
| /** |
| * @see org.eclipse.draw2d.Border#isOpaque() |
| */ |
| public boolean isOpaque() { |
| return false; |
| } |
| |
| } |