| /******************************************************************************* |
| * Copyright (c) 2004 - 2006 University Of British Columbia 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: |
| * University Of British Columbia - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.mylyn.internal.java.ui.editor; |
| |
| import org.eclipse.jdt.internal.ui.JavaPlugin; |
| import org.eclipse.jface.resource.CompositeImageDescriptor; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.jface.util.Assert; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.graphics.Point; |
| |
| /** |
| * @author Shawn Minto |
| */ |
| public class MylarJavaElementDescriptor extends CompositeImageDescriptor { |
| |
| private Image baseImage; |
| |
| private ImageDescriptor overlay; |
| |
| private Point fSize; |
| |
| public MylarJavaElementDescriptor(Image baseImage, ImageDescriptor overlay, Point size) { |
| this.baseImage = baseImage; |
| this.overlay = overlay; |
| setImageSize(size); |
| } |
| |
| @Override |
| protected void drawCompositeImage(int width, int height) { |
| if (baseImage == null) |
| return; |
| ImageData bg = baseImage.getImageData(); |
| |
| drawImage(bg, 0, 0); |
| |
| // Point size= getSize(); |
| ImageData data = getImageData(overlay); |
| drawImage(data, data.width, bg.height - data.height); |
| } |
| |
| private ImageData getImageData(ImageDescriptor descriptor) { |
| ImageData data = descriptor.getImageData(); // see bug 51965: |
| // getImageData can return |
| // null |
| if (data == null) { |
| data = DEFAULT_IMAGE_DATA; |
| JavaPlugin.logErrorMessage("Image data not available: " + descriptor.toString()); //$NON-NLS-1$ |
| } |
| return data; |
| } |
| |
| /** |
| * Sets the size of the image created by calling <code>createImage()</code>. |
| * |
| * @param size |
| * the size of the image returned from calling |
| * <code>createImage()</code> |
| * @see ImageDescriptor#createImage() |
| */ |
| public void setImageSize(Point size) { |
| Assert.isNotNull(size); |
| Assert.isTrue(size.x >= 0 && size.y >= 0); |
| fSize = size; |
| } |
| |
| @Override |
| protected Point getSize() { |
| return new Point(fSize.x, fSize.y); |
| } |
| |
| } |