| /*******************************************************************************
|
| * Copyright (c) 2002 IBM Corporation and others.
|
| * All rights reserved. This program and the accompanying materials
|
| * are made available under the terms of the Common Public License v0.5
|
| * which accompanies this distribution, and is available at
|
| * http://www.eclipse.org/legal/cpl-v05.html
|
| *
|
| * Contributors:
|
| * IBM - Initial API and implementation
|
| ******************************************************************************/
|
| package org.eclipse.team.internal.ccvs.ui; |
| |
| import java.util.Arrays;
|
|
|
| import org.eclipse.jface.resource.CompositeImageDescriptor; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.graphics.Image;
|
| import org.eclipse.swt.graphics.Point; |
| |
| /** |
| * An OverlayIcon consists of a main icon and several adornments. |
| */ |
| public abstract class OverlayIcon extends CompositeImageDescriptor {
|
| // the base image
|
| private Image base;
|
| // the overlay images
|
| private ImageDescriptor[] overlays;
|
| // the size
|
| private Point size;
|
| |
| /** |
| * OverlayIcon constructor.
|
| * |
| * @param base the base image
|
| * @param overlays the overlay images
|
| * @param size the size
|
| */ |
| public OverlayIcon(Image base, ImageDescriptor[] overlays, Point size) {
|
| this.base = base; |
| this.overlays = overlays; |
| this.size = size; |
| } |
| /** |
| * Superclasses override to draw the overlays.
|
| */ |
| protected abstract void drawOverlays(ImageDescriptor[] overlays);
|
|
|
| public boolean equals(Object o) {
|
| if (! (o instanceof OverlayIcon)) return false;
|
| OverlayIcon other = (OverlayIcon) o;
|
| return base.equals(other.base) && Arrays.equals(overlays, other.overlays);
|
| } |
|
|
| public int hashCode() {
|
| int code = base.hashCode();
|
| for (int i = 0; i < overlays.length; i++) {
|
| code ^= overlays[i].hashCode();
|
| } |
| return code;
|
| } |
|
|
|
|
| protected void drawCompositeImage(int width, int height) { |
| drawImage(base.getImageData(), 0, 0);
|
| drawOverlays(overlays);
|
| } |
|
|
| protected Point getSize() { |
| return size; |
| } |
| } |