import java.awt.geom.Rectangle2D;
import java.io.ByteArrayInputStream;
import java.io.IOException;
+import java.io.StringReader;
+import java.io.StringWriter;
import java.lang.ref.WeakReference;
import java.math.BigInteger;
import java.net.URI;
import java.util.Set;
import java.util.WeakHashMap;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
import org.simantics.scenegraph.ExportableWidget.RasterOutputWidget;
import org.simantics.scenegraph.LoaderNode;
import org.simantics.scenegraph.ScenegraphUtils;
import org.simantics.scenegraph.g2d.G2DNode;
+import org.simantics.scenegraph.g2d.G2DRenderingHints;
import org.simantics.scenegraph.utils.BufferedImage;
import org.simantics.scenegraph.utils.G2DUtils;
import org.simantics.scenegraph.utils.InitValueSupport;
import org.simantics.scenegraph.utils.MipMapBufferedImage;
import org.simantics.scenegraph.utils.MipMapVRamBufferedImage;
+import org.simantics.scenegraph.utils.SVGPassthruShape;
import org.simantics.scenegraph.utils.VRamBufferedImage;
import org.simantics.scl.runtime.function.Function1;
import org.simantics.scl.runtime.function.Function2;
import org.simantics.utils.threads.AWTThread;
-
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
+import org.xml.sax.InputSource;
+
+import com.kitfox.svg.RenderableElement;
import com.kitfox.svg.SVGCache;
import com.kitfox.svg.SVGDiagram;
import com.kitfox.svg.SVGElement;
private static final long serialVersionUID = 8508750881358776559L;
+ private static final Logger LOGGER = LoggerFactory.getLogger(SVGNode.class);
protected String data = null;
protected String defaultData = null;
protected Point targetSize = null;
SVGDiagram d = diagramCache;
if (d != null) {
diagramCache = null;
+ dataHash = null;
SVGUniverse univ = SVGCache.getSVGUniverse();
if (univ.decRefCountAndClear(d.getXMLBase()) == 0) {
// Cleared!
}
this.data = cached;
this.defaultData = cached;
+ cleanDiagramCache();
}
@SyncField("targetSize")
if (data == null)
return; // Not initialized
- if (!data.equals(documentCache) || diagramCache == null || buffer == null)
- initBuffer(g2d);
-
AffineTransform ot = null;
if (!transform.isIdentity()) {
ot = g2d.getTransform();
g2d.transform(transform);
}
- if (buffer != null)
- buffer.paint(g2d);
+ if (g2d.getRenderingHint(G2DRenderingHints.KEY_SVG_PASSTHRU) == Boolean.TRUE) {
+ SVGPassthruShape.resetG2D(g2d);
+ String svg = assignments.isEmpty() ? data : applyAssigments(data, assignments);
+ if (svg != null) {
+ g2d.fill(new SVGPassthruShape(svg));
+ }
+ } else {
+ if (!data.equals(documentCache) || diagramCache == null || buffer == null)
+ initBuffer(g2d);
+
+ if (buffer != null)
+ buffer.paint(g2d);
+ }
if (ot != null)
g2d.setTransform(ot);
diagramCache = null;
}
- // Lets check for rootAssignment that contributes the whole SVG
+ // Lets check for rootAssignment that contributes the whole SVG
SVGNodeAssignment rootAssignment = null;
if (!assignments.isEmpty()) {
for (SVGNodeAssignment ass : assignments) {
return dataHash;
}
+ private static DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+ static {
+ dbf.setValidating(false);
+ try {
+ dbf.setFeature("http://xml.org/sax/features/namespaces", false);
+ dbf.setFeature("http://xml.org/sax/features/validation", false);
+ dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-dtd-grammar", false);
+ dbf.setFeature("http://apache.org/xml/features/nonvalidating/load-external-dtd", false);
+ } catch (ParserConfigurationException e) {
+ // Nothing to do
+ }
+ }
+
+ // Notice: Remember to change both implementations of applyAssigments when modifying the functionality.
+ protected static String applyAssigments(String svg, List<SVGNodeAssignment> assignments) {
+ try {
+ DocumentBuilder db = dbf.newDocumentBuilder();
+ Document doc = db.parse(new InputSource(new StringReader(svg)));
+
+ NodeList entries = doc.getElementsByTagName("*");
+ for (int i=0; i<entries.getLength(); i++) {
+ Element element = (Element) entries.item(i);
+ if (element.hasAttribute("id")) {
+ element.setIdAttribute("id", true);
+ }
+ }
+ for (SVGNodeAssignment ass : assignments) {
+ Element e = doc.getElementById(ass.elementId);
+ if (e != null) {
+ if ("$text".equals(ass.attributeNameOrId)) {
+ if (e.getTagName().equals("tspan")) {
+ if (ass.value.trim().isEmpty()) {
+ e.setTextContent("-");
+ } else {
+ e.setTextContent(ass.value);
+ }
+ }
+ } else if (ass.attributeNameOrId.startsWith("#")) {
+ e.setAttribute(ass.attributeNameOrId.substring(1), ass.value);
+ } else {
+ e.setAttribute(ass.attributeNameOrId, ass.value);
+ }
+ } else {
+ LOGGER.warn("Element with id='" + ass.elementId + " was not found.");
+ }
+ }
+
+ DOMSource domSource = new DOMSource(doc);
+ StringWriter writer = new StringWriter();
+ StreamResult result = new StreamResult(writer);
+ TransformerFactory tf = TransformerFactory.newInstance();
+ Transformer transformer = tf.newTransformer();
+ transformer.transform(domSource, result);
+ return writer.toString();
+
+ } catch (Exception e) {
+ return null;
+ }
+ }
+
+ // Notice: Remember to change both implementations of applyAssigments when modifying the functionality.
protected boolean applyAssignments(SVGDiagram diagram, List<SVGNodeAssignment> assignments) throws SVGException {
if (assignments.isEmpty())
return false;
boolean changed = false;
+ // Without this elements are sometimes not found by id!
+ diagram.updateTime(0);
+
for (SVGNodeAssignment ass : assignments) {
SVGElement e = diagram.getElement(ass.elementId);
if (e != null) {
}
}
+ // Without this the attribute values are not correctly reflected in rendering
+ diagram.updateTime(0);
+
return changed;
}
URI uri = univ.loadSVG(new ByteArrayInputStream(dataBytes), digest);
diagramCache = univ.getDiagram(uri, false);
if (diagramCache != null) {
- SVGRoot root = diagramCache.getRoot();
+ SVGRoot root = diagramCache.getRoot();
if (root == null) return new Rectangle2D.Double();
return (Rectangle2D)root.getBoundingBox().clone();
}
if (!data.equals(documentCache) || diagramCache == null) {
dataHash = parseSVG();
if (diagramCache == null) {
- System.err.println("UNABLE TO PARSE SVG:\n" + data);
+ LOGGER.warn("UNABLE TO PARSE SVG:\n" + data);
return;
}
}
return ret;
}
+ public Rectangle2D getElementBounds(String id) throws SVGException {
+ SVGElement e = diagramCache.getElement(id);
+ if (e instanceof RenderableElement) {
+ return ((RenderableElement)e).getBoundingBox();
+ } else {
+ return null;
+ }
+ }
+
}