| /****************************************************************************** |
| * Copyright (c) 2006, 2008 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.draw2d.ui.render.awt.internal.svg; |
| |
| import java.io.ByteArrayInputStream; |
| import java.io.ByteArrayOutputStream; |
| |
| import org.apache.batik.dom.svg.SAXSVGDocumentFactory; |
| import org.apache.batik.util.XMLResourceDescriptor; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.RenderedImage; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.EMFTranscoder; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.awt.internal.svg.metafile.WMFTranscoder; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.factory.RenderedImageType; |
| import org.eclipse.gmf.runtime.draw2d.ui.render.internal.factory.RenderedImageKey; |
| |
| |
| public class SVGImageType |
| implements RenderedImageType { |
| |
| public RenderedImage autoDetect(byte[] buffer, RenderedImageKey key) { |
| RenderedImage image = null; |
| |
| if (isSVG(buffer)) |
| image = new SVGImage(buffer, key); |
| else { |
| // not a recognizable image format so assume it's an EMF file |
| try { |
| WMFTranscoder imageTransformer = new WMFTranscoder(); |
| ByteArrayInputStream input = new ByteArrayInputStream(buffer); |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| imageTransformer.transcode(input, output, key.getURLString()); |
| image = new SVGImage(output.toByteArray(), key); |
| } catch (Exception e2) { |
| try { |
| EMFTranscoder imageTransformer = new EMFTranscoder(); |
| ByteArrayInputStream input = new ByteArrayInputStream( |
| buffer); |
| ByteArrayOutputStream output = new ByteArrayOutputStream(); |
| imageTransformer.transcode(input, output, key.getURLString()); |
| image = new SVGImage(output.toByteArray(), key); |
| } catch (Exception e3) { |
| return null; |
| } |
| } |
| } |
| |
| return image; |
| } |
| |
| private static boolean isSVG(byte[] buffer) { |
| ByteArrayInputStream bIS = new ByteArrayInputStream(buffer); |
| String parserName = XMLResourceDescriptor.getXMLParserClassName(); |
| SAXSVGDocumentFactory svgFactory = new SAXSVGDocumentFactory(parserName); |
| |
| try { |
| svgFactory.createDocument(null,bIS); |
| } catch (Exception e) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } |