--- /dev/null
+/*******************************************************************************\r
+ * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
+ * in Industry THTH ry.\r
+ * All rights reserved. This program and the accompanying materials\r
+ * are made available under the terms of the Eclipse Public License v1.0\r
+ * which accompanies this distribution, and is available at\r
+ * http://www.eclipse.org/legal/epl-v10.html\r
+ *\r
+ * Contributors:\r
+ * VTT Technical Research Centre of Finland - initial API and implementation\r
+ *******************************************************************************/\r
+package org.simantics.g2d.svg;\r
+\r
+import java.util.Locale;\r
+\r
+//import org.apache.batik.bridge.BridgeContext;\r
+//import org.apache.batik.bridge.GVTBuilder;\r
+//import org.apache.batik.bridge.UserAgentAdapter;\r
+//import org.apache.batik.dom.svg.SAXSVGDocumentFactory;\r
+//import org.apache.batik.dom.svg12.SVG12DOMImplementation;\r
+//import org.apache.batik.dom.util.DOMUtilities;\r
+//import org.apache.batik.gvt.GraphicsNode;\r
+//import org.apache.batik.util.XMLResourceDescriptor;\r
+//import org.w3c.dom.svg.SVGDocument;\r
+//import org.w3c.dom.svg.SVGSVGElement;\r
+\r
+\r
+/**\r
+ * Utility methods for DOM and SVG document handling.\r
+ * \r
+ * Currently disabled.\r
+ * \r
+ * @author Tuukka Lehtonen\r
+ */\r
+final class SVGUtils {\r
+\r
+ public static final Locale formatLocale = Locale.US;\r
+\r
+// private static final NumberFormat nf = NumberFormat.getNumberInstance(formatLocale);\r
+\r
+ /**\r
+ * Attempts to parse an SVG document form the specified input stream.\r
+ * \r
+ * @param inp\r
+ * @return\r
+ * @throws IOException\r
+ */\r
+// public static SVGDocument parseSVGStream(InputStream inp) throws IOException {\r
+// ClassLoader ldr = Thread.currentThread().getContextClassLoader();\r
+// Thread.currentThread().setContextClassLoader(SVGUtils.class.getClassLoader());\r
+// try {\r
+// String parser = XMLResourceDescriptor.getXMLParserClassName();\r
+// SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser);\r
+// SVGDocument doc = f.createSVGDocument(null, inp);\r
+// return doc;\r
+// } finally {\r
+// Thread.currentThread().setContextClassLoader(ldr);\r
+// }\r
+// }\r
+\r
+ /**\r
+ * Attempts to parse a String as svg/xml and return the resulting\r
+ * SVGDocument.\r
+ * \r
+ * @param svgData the svg/xml data\r
+ * @return the resulting SVGDocument instance\r
+ * @throws IOException when parsing as svg fails\r
+ */\r
+// public static SVGDocument parseSVGString(String svgData) throws IOException {\r
+// ClassLoader ldr = Thread.currentThread().getContextClassLoader();\r
+// Thread.currentThread().setContextClassLoader(SVGUtils.class.getClassLoader());\r
+// try {\r
+// String parser = XMLResourceDescriptor.getXMLParserClassName();\r
+// SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser);\r
+// StringReader reader = new StringReader(svgData);\r
+// SVGDocument doc = f.createSVGDocument(null, reader);\r
+// return doc;\r
+// } finally {\r
+// Thread.currentThread().setContextClassLoader(ldr);\r
+// }\r
+// }\r
+ \r
+ /**\r
+ * Attempts to parse a String as svg/xml and return the root SVGSVGElement\r
+ * of the resulting SVGDocument.\r
+ * \r
+ * @param svgData the svg/xml data\r
+ * @return the resulting SVGDocument instance\r
+ * @throws IOException when parsing as svg fails\r
+ */\r
+// public static SVGSVGElement parseSVGStringToRoot(String svgData) throws IOException {\r
+// SVGDocument doc = parseSVGString(svgData);\r
+// return doc.getRootElement();\r
+// }\r
+ \r
+ /**\r
+ * Transcodes an SVGDocument instance into String form.\r
+ * \r
+ * @param doc the SVGDocument to transcode\r
+ * @return the resulting string\r
+ * @throws IOException if the document contains invalid data\r
+ */\r
+// public static String svgToString(SVGDocument doc) throws IOException {\r
+// StringWriter writer = new StringWriter();\r
+// DOMUtilities.writeDocument(doc, writer);\r
+// writer.close();\r
+// return writer.toString();\r
+// }\r
+ \r
+ /**\r
+ * Retrieves SVG document bounding box by constructing the corresponding GVT\r
+ * tree and getting the bounding information from there.\r
+ * \r
+ * <p>\r
+ * This allows us to get the bounding box of the actual rendered output, not\r
+ * just the bounding box of the primitives.\r
+ * </p>\r
+ * \r
+ * <p>\r
+ * BEWARE: using the specified document with a JSVGCanvas after invoking\r
+ * this method seems to break the functionality of the DOM/GVT binding in\r
+ * the canvas. If you need to do that, \r
+ * \r
+ * @param doc\r
+ * @param defaultValue the rectangle to return if the document has no\r
+ * bounding box\r
+ * @return <code>null</code> if the document has no graphical elements,\r
+ * i.e. no real bounding box and the given defaultValue was\r
+ * <code>null</code>\r
+ */\r
+// public static Rectangle2D getDocumentBoundingBox(SVGDocument doc, Rectangle2D defaultValue, boolean cloneDocument) {\r
+// if (cloneDocument)\r
+// doc = (SVGDocument) DOMUtilities.deepCloneDocument(doc, SVG12DOMImplementation.getDOMImplementation());\r
+//\r
+// GVTBuilder builder = new GVTBuilder();\r
+// BridgeContext ctx = new BridgeContext(new UserAgentAdapter());\r
+// GraphicsNode gvtRoot = builder.build(ctx, doc);\r
+//\r
+// Rectangle2D bounds = gvtRoot.getSensitiveBounds();\r
+// if (bounds == null)\r
+// return defaultValue;\r
+// \r
+// if (bounds.isEmpty())\r
+// return defaultValue;\r
+// \r
+// Rectangle2D bbox = new Rectangle2D.Float();\r
+// bbox.setFrame(bounds);\r
+// return bbox;\r
+// }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff