| /******************************************************************************* |
| * Copyright (c) 2003, 2005 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.wst.common.frameworks.internal.ui; |
| |
| |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.graphics.Point; |
| |
| public class OverlayIcon extends org.eclipse.jface.resource.CompositeImageDescriptor { |
| // //$NON-NLS-1$ |
| static final int DEFAULT_WIDTH = 16; |
| static final int DEFAULT_HEIGHT = 16; |
| private Point fSize = null; |
| private ImageDescriptor fBase; |
| private ImageDescriptor fOverlays[][]; |
| |
| public OverlayIcon(ImageDescriptor base, ImageDescriptor[][] overlays) { |
| fBase = base; |
| if (fBase == null) |
| fBase = ImageDescriptor.getMissingImageDescriptor(); |
| fOverlays = overlays; |
| fSize = new Point(DEFAULT_WIDTH, DEFAULT_HEIGHT); |
| } |
| |
| public OverlayIcon(ImageDescriptor base, ImageDescriptor[][] overlays, Point size) { |
| fBase = base; |
| if (fBase == null) |
| fBase = ImageDescriptor.getMissingImageDescriptor(); |
| fOverlays = overlays; |
| fSize = size; |
| } |
| |
| protected void drawBottomLeft(ImageDescriptor[] overlays) { |
| if (overlays == null) |
| return; |
| int length = overlays.length; |
| int x = 0; |
| for (int i = 0; i < 3; i++) { |
| if (i < length && overlays[i] != null) { |
| ImageData id = overlays[i].getImageData(); |
| drawImage(id, x, getSize().y - id.height); |
| x += id.width; |
| } |
| } |
| } |
| |
| protected void drawBottomRight(ImageDescriptor[] overlays) { |
| if (overlays == null) |
| return; |
| int length = overlays.length; |
| int x = getSize().x; |
| for (int i = 2; i >= 0; i--) { |
| if (i < length && overlays[i] != null) { |
| ImageData id = overlays[i].getImageData(); |
| x -= id.width; |
| drawImage(id, x, getSize().y - id.height); |
| } |
| } |
| } |
| |
| protected void drawCompositeImage(int width, int height) { |
| ImageData bg = fBase.getImageData(); |
| drawImage(bg, 0, 0); |
| |
| if (fOverlays != null) { |
| if (fOverlays.length > 0) |
| drawTopRight(fOverlays[0]); |
| |
| if (fOverlays.length > 1) |
| drawBottomRight(fOverlays[1]); |
| |
| if (fOverlays.length > 2) |
| drawBottomLeft(fOverlays[2]); |
| |
| if (fOverlays.length > 3) |
| drawTopLeft(fOverlays[3]); |
| } |
| } |
| |
| protected void drawTopLeft(ImageDescriptor[] overlays) { |
| if (overlays == null) |
| return; |
| int length = overlays.length; |
| int x = 0; |
| for (int i = 0; i < 3; i++) { |
| if (i < length && overlays[i] != null) { |
| ImageData id = overlays[i].getImageData(); |
| drawImage(id, x, 0); |
| x += id.width; |
| } |
| } |
| } |
| |
| protected void drawTopRight(ImageDescriptor[] overlays) { |
| if (overlays == null) |
| return; |
| int length = overlays.length; |
| int x = getSize().x; |
| for (int i = 2; i >= 0; i--) { |
| if (i < length && overlays[i] != null) { |
| ImageData id = overlays[i].getImageData(); |
| x -= id.width; |
| drawImage(id, x, 0); |
| } |
| } |
| } |
| |
| protected Point getSize() { |
| return fSize; |
| } |
| } |