| /******************************************************************************* |
| * Copyright (c) 2017 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.debug.ui; |
| |
| import org.eclipse.core.runtime.Assert; |
| import org.eclipse.debug.internal.ui.DebugPluginImages; |
| import org.eclipse.debug.internal.ui.IInternalDebugUIConstants; |
| import org.eclipse.jface.resource.CompositeImageDescriptor; |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.graphics.Point; |
| |
| public class JDIElementImageDescriptor extends CompositeImageDescriptor { |
| |
| private ImageDescriptor fBaseImage; |
| private int fFlags; |
| private Point fSize; |
| public JDIElementImageDescriptor(ImageDescriptor baseImage, int flags, Point size) { |
| fBaseImage = baseImage; |
| Assert.isNotNull(fBaseImage); |
| fFlags = flags; |
| Assert.isTrue(fFlags >= 0); |
| fSize = size; |
| Assert.isNotNull(fSize); |
| } |
| |
| @Override |
| protected void drawCompositeImage(int width, int height) { |
| drawImage(createCachedImageDataProvider(fBaseImage), 0, 0); |
| drawRightBottom(); |
| } |
| |
| private void drawRightBottom() { |
| Point size = getSize(); |
| Point pos = new Point(size.x, size.y); |
| |
| if ((fFlags & JDIImageDescriptor.LOGICAL_STRUCTURE) != 0) { |
| addRightBottomImage(DebugPluginImages.getImageDescriptor(IInternalDebugUIConstants.IMG_OVR_SHOW_LOGICAL_STRUCTURE), pos); |
| } |
| } |
| |
| private void addRightBottomImage(ImageDescriptor desc, Point pos) { |
| CachedImageDataProvider provider = createCachedImageDataProvider(desc); |
| int x = pos.x - provider.getWidth(); |
| int y = pos.y - provider.getHeight(); |
| if (x >= 0 && y >= 0) { |
| drawImage(provider, x, y); |
| pos.x = x; |
| } |
| } |
| |
| @Override |
| protected Point getSize() { |
| if (fSize == null) { |
| CachedImageDataProvider provider = createCachedImageDataProvider(fBaseImage); |
| fSize = new Point(provider.getWidth(), provider.getHeight()); |
| } |
| return fSize; |
| } |
| |
| /** |
| * @see Object#equals(java.lang.Object) |
| */ |
| @Override |
| public boolean equals(Object object) { |
| if (!(object instanceof JDIElementImageDescriptor)) { |
| return false; |
| } |
| JDIElementImageDescriptor other = (JDIElementImageDescriptor) object; |
| return (fBaseImage.equals(other.fBaseImage) && fFlags == other.fFlags); |
| } |
| |
| /** |
| * @see Object#hashCode() |
| */ |
| @Override |
| public int hashCode() { |
| return fBaseImage.hashCode() | fFlags; |
| } |
| |
| } |