/*******************************************************************************
* Copyright (c) 2005, 2012 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.bpel.ui.editparts.util;
import org.eclipse.jface.resource.CompositeImageDescriptor;
import org.eclipse.swt.graphics.ImageData;
import org.eclipse.swt.graphics.Point;
public class OverlayCompositeImageDescriptor extends CompositeImageDescriptor {
ImageData background;
ImageData topLeft;
ImageData topRight;
ImageData bottomLeft;
ImageData bottomRight;
public OverlayCompositeImageDescriptor(ImageData background, ImageData tl, ImageData tr, ImageData bl, ImageData br) {
this.background = background;
this.topLeft = tl;
this.topRight = tr;
this.bottomLeft = bl;
this.bottomRight = br;
}
@Override
protected void drawCompositeImage(int width, int height) {
drawImage(background, 0, 0);
if (topLeft != null) {
drawImage(topLeft, 0, 0);
}
if (topRight != null) {
drawImage(topRight, background.width - topRight.width, 0);
}
if (bottomLeft != null) {
drawImage(bottomLeft, 0, background.height - bottomLeft.height);
}
if (bottomRight != null) {
drawImage(bottomRight, background.width - bottomRight.width, background.height - bottomRight.height);
}
}
@Override
protected Point getSize() {
return new Point(background.width, background.height);
}
}