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/*******************************************************************************
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* Copyright (c) 2000, 2010 IBM Corporation and others.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License v1.0
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* which accompanies this distribution, and is available at
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Contributors:
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* IBM Corporation - initial API and implementation
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*******************************************************************************/
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package org.eclipse.draw2d;
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import org.eclipse.draw2d.geometry.Rectangle;
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/**
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* Provides a {@link org.eclipse.draw2d.Graphics} object for painting.
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*/
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public interface GraphicsSource {
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/**
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* Returns a Graphics for the rectangular region requested. May return
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* <code>null</code>.
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*
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* @param region
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* The rectangular region
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* @return A new Graphics object for the given region
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*/
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Graphics getGraphics(Rectangle region);
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/**
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* Tells the GraphicsSource that you have finished using that region.
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*
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* @param region
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* The rectangular region that that no longer needs the Graphics
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*/
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void flushGraphics(Rectangle region);
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}
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