| /******************************************************************************* |
| * 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.misc; |
| |
| import org.eclipse.jface.resource.ImageDescriptor; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.ui.ISharedImages; |
| import org.eclipse.ui.internal.WorkbenchImages; |
| |
| /** |
| * An image descriptor that loads its data from a program file. |
| */ |
| public class ProgramImageDescriptor extends ImageDescriptor { |
| private String filename; |
| |
| private int offset; |
| |
| /** |
| * Creates a new ImageDescriptor. The image is loaded |
| * from a file with the given name <code>name</code>. |
| */ |
| public ProgramImageDescriptor(String fullPath, int offsetInFile) { |
| filename = fullPath; |
| offset = offsetInFile; |
| } |
| |
| /** |
| * @see Object#equals |
| */ |
| public boolean equals(Object o) { |
| if (!(o instanceof ProgramImageDescriptor)) { |
| return false; |
| } |
| ProgramImageDescriptor other = (ProgramImageDescriptor) o; |
| return filename.equals(other.filename) && offset == other.offset; |
| } |
| |
| /** |
| * Returns an SWT Image that is described by the information |
| * in this descriptor. Each call returns a new Image. |
| */ |
| public Image getImage() { |
| return createImage(); |
| } |
| |
| /** |
| * Returns an SWT Image that is described by the information |
| * in this descriptor. |
| */ |
| public ImageData getImageData() { |
| /*This is a user defined offset into the file which always |
| *returns us the defualt - return the default regardless*/ |
| |
| return WorkbenchImages.getImageDescriptor(ISharedImages.IMG_OBJ_FILE) |
| .getImageData(); |
| } |
| |
| /** |
| * @see Object#hashCode |
| */ |
| public int hashCode() { |
| return filename.hashCode() + offset; |
| } |
| } |