| /****************************************************************************** |
| * Copyright (c) 2005, 2007 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.gmf.runtime.diagram.ui.render.util; |
| |
| import org.eclipse.gmf.runtime.diagram.ui.OffscreenEditPartFactory; |
| import org.eclipse.gmf.runtime.diagram.ui.editparts.DiagramEditPart; |
| import org.eclipse.gmf.runtime.diagram.ui.render.clipboard.DiagramImageGenerator; |
| import org.eclipse.gmf.runtime.notation.Diagram; |
| import org.eclipse.swt.widgets.Shell; |
| |
| /** |
| * Provides miscellaneous utilities for this plug-in. |
| * |
| * @author cmahoney |
| */ |
| public class DiagramRenderUtil { |
| |
| /** |
| * Utility api to generate an AWT based image representation of the diagram |
| * contents. |
| * |
| * @param diagram |
| * The Diagram to render the image from. |
| * @return java.awt.Image that is the bitmap representation of the diagram |
| * contents. |
| * |
| * @throws NullPointerException |
| * <code>diagram</code> is <code>null</code> |
| */ |
| public static java.awt.Image renderToAWTImage(Diagram diagram) { |
| if (null == diagram) { |
| throw new NullPointerException("Argument 'diagram' is null"); //$NON-NLS-1$ |
| } |
| |
| Shell shell = new Shell(); |
| try { |
| DiagramEditPart diagramEP = OffscreenEditPartFactory.getInstance() |
| .createDiagramEditPart(diagram, shell); |
| DiagramImageGenerator imageGenerator = new DiagramImageGenerator( |
| diagramEP); |
| |
| return imageGenerator.createAWTImageForDiagram(); |
| } finally { |
| shell.dispose(); |
| } |
| } |
| |
| /** |
| * Utility api to generate an SWT based image representation of the diagram |
| * contents. |
| * |
| * @param diagram |
| * The Diagram to render the image from. |
| * @return org.eclipse.swt.graphics.Image that is the bitmap representation |
| * of the diagram contents. Caller is responsible for calling |
| * dispose() on the return image. |
| * |
| * @throws NullPointerException |
| * <code>diagram</code> is <code>null</code> |
| */ |
| public static org.eclipse.swt.graphics.Image renderToSWTImage( |
| Diagram diagram) { |
| if (null == diagram) { |
| throw new NullPointerException("Argument 'diagram' is null"); //$NON-NLS-1$ |
| } |
| |
| Shell shell = new Shell(); |
| try { |
| DiagramEditPart diagramEP = OffscreenEditPartFactory.getInstance() |
| .createDiagramEditPart(diagram, shell); |
| DiagramImageGenerator imageGenerator = new DiagramImageGenerator( |
| diagramEP); |
| |
| return imageGenerator.createSWTImageDescriptorForDiagram() |
| .createImage(); |
| } finally { |
| shell.dispose(); |
| } |
| |
| } |
| } |