| /******************************************************************************* |
| * Copyright (c) 2000, 2006 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.ui.internal; |
| |
| import org.eclipse.jface.resource.CompositeImageDescriptor; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.graphics.Point; |
| import org.eclipse.ui.internal.util.Util; |
| |
| /** |
| * An OverlayIcon consists of a main icon and an overlay icon |
| */ |
| public class OverlayIcon extends CompositeImageDescriptor { |
| |
| // the size of the OverlayIcon |
| private Point fSize = null; |
| |
| // the main image |
| private ImageDescriptor fBase = null; |
| |
| // the additional image (a pin for example) |
| private ImageDescriptor fOverlay = null; |
| |
| /** |
| * @param base the main image |
| * @param overlay the additional image (a pin for example) |
| * @param size the size of the OverlayIcon |
| */ |
| public OverlayIcon(ImageDescriptor base, ImageDescriptor overlay, Point size) { |
| fBase = base; |
| fOverlay = overlay; |
| fSize = size; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.resource.CompositeImageDescriptor#drawCompositeImage(int, int) |
| */ |
| protected void drawCompositeImage(int width, int height) { |
| ImageData bg; |
| if (fBase == null || (bg = fBase.getImageData()) == null) { |
| bg = DEFAULT_IMAGE_DATA; |
| } |
| drawImage(bg, 0, 0); |
| |
| if (fOverlay != null) { |
| drawTopRight(fOverlay); |
| } |
| } |
| |
| /** |
| * @param overlay the additional image (a pin for example) |
| * to be drawn on top of the main image |
| */ |
| protected void drawTopRight(ImageDescriptor overlay) { |
| if (overlay == null) { |
| return; |
| } |
| int x = getSize().x; |
| ImageData id = overlay.getImageData(); |
| x -= id.width; |
| drawImage(id, x, 0); |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jface.resource.CompositeImageDescriptor#getSize() |
| */ |
| protected Point getSize() { |
| return fSize; |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see java.lang.Object#hashCode() |
| */ |
| public int hashCode() { |
| return Util.hashCode(fBase) * 17 + Util.hashCode(fOverlay); |
| } |
| |
| /* (non-Javadoc) |
| * @see java.lang.Object#equals(java.lang.Object) |
| */ |
| public boolean equals(Object obj) { |
| if (!(obj instanceof OverlayIcon)) { |
| return false; |
| } |
| OverlayIcon overlayIcon = (OverlayIcon) obj; |
| return Util.equals(this.fBase, overlayIcon.fBase) |
| && Util.equals(this.fOverlay, overlayIcon.fOverlay) |
| && Util.equals(this.fSize, overlayIcon.fSize); |
| } |
| } |