| /******************************************************************************* |
| * Copyright (c) 2000, 2010 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.Rectangle; |
| |
| /** |
| * Provides a {@link org.eclipse.draw2d.Graphics} object for painting. |
| */ |
| public interface GraphicsSource { |
| |
| /** |
| * Returns a Graphics for the rectangular region requested. May return |
| * <code>null</code>. |
| * |
| * @param region |
| * The rectangular region |
| * @return A new Graphics object for the given region |
| */ |
| Graphics getGraphics(Rectangle region); |
| |
| /** |
| * Tells the GraphicsSource that you have finished using that region. |
| * |
| * @param region |
| * The rectangular region that that no longer needs the Graphics |
| */ |
| void flushGraphics(Rectangle region); |
| |
| } |
