package org.simantics.modeling;
+import java.awt.Dimension;
+import java.awt.RenderingHints;
+import java.awt.RenderingHints.Key;
+import java.awt.geom.AffineTransform;
+import java.awt.geom.Rectangle2D;
+import java.io.ByteArrayOutputStream;
+import java.io.OutputStreamWriter;
import java.util.ArrayList;
import java.util.Collection;
+import java.util.HashMap;
import java.util.List;
import java.util.Set;
+import java.util.UUID;
+import javax.xml.transform.OutputKeys;
+import javax.xml.transform.Transformer;
+import javax.xml.transform.TransformerFactory;
+import javax.xml.transform.dom.DOMSource;
+import javax.xml.transform.stream.StreamResult;
+
+import org.apache.batik.dom.GenericDOMImplementation;
+import org.apache.batik.svggen.SVGGeneratorContext;
+import org.apache.batik.svggen.SVGGraphics2D;
import org.simantics.db.Resource;
import org.simantics.db.exception.DatabaseException;
import org.simantics.diagram.elements.DiagramNodeUtil;
import org.simantics.g2d.utils.CanvasUtils;
import org.simantics.scenegraph.ParentNode;
import org.simantics.scenegraph.g2d.G2DParentNode;
+import org.simantics.scenegraph.g2d.G2DRenderingHints;
import org.simantics.scenegraph.g2d.G2DSceneGraph;
+import org.simantics.scenegraph.g2d.IG2DNode;
+import org.simantics.scenegraph.g2d.IG2DNodeVisitor;
import org.simantics.scenegraph.g2d.events.command.Commands;
import org.simantics.scenegraph.g2d.nodes.BackgroundNode;
import org.simantics.scenegraph.g2d.nodes.BoundsNode;
import org.simantics.scenegraph.g2d.nodes.DataNode;
import org.simantics.scenegraph.g2d.nodes.DecorationSVGNode;
import org.simantics.scenegraph.g2d.nodes.NavigationNode;
+import org.simantics.scenegraph.g2d.nodes.SVGNode;
import org.simantics.scenegraph.g2d.nodes.SingleElementNode;
+import org.simantics.scenegraph.g2d.nodes.spatial.RTreeNode;
import org.simantics.scenegraph.utils.NodeUtil;
import org.simantics.trend.impl.ItemNode;
import org.simantics.utils.threads.ThreadUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.w3c.dom.DOMImplementation;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.NodeList;
public class SCLScenegraph {
-
+
+ private static final Logger LOGGER = LoggerFactory.getLogger(SCLScenegraph.class);
+
public static ICanvasSceneGraphProvider getICanvasSceneGraphProvider(Resource model, Resource diagram, String diagramRVI) throws DatabaseException, InterruptedException {
ICanvasSceneGraphProvider provider = DiagramNodeUtil.loadSceneGraphProvider(model, diagram, diagramRVI);
return provider;
provider.dispose();
}
- //public static Resource getDiagramRuntime(Resource )
-
-
-// public static String getNodeTransform(ICanvasContext ctx, String name) throws DatabaseException, InterruptedException {
-// return getNodeTransform(ctx, name);
-// }
-
public static String getNodeTransform(ICanvasContext ctx, String name) {
Set<TextNode> texts = NodeUtil.collectNodes(ctx.getSceneGraph(), TextNode.class);
}
}
- public static boolean copyPaste (final ICanvasContext source_ctx, final ICanvasContext target_ctx, List<Resource> modules) throws DatabaseException {
+ public static boolean copyPaste (final ICanvasContext source_ctx, final ICanvasContext target_ctx, List<Resource> modules) throws DatabaseException {
IDiagram idiagram = source_ctx.getDefaultHintContext().getHint(DiagramHints.KEY_DIAGRAM);
return true;
}
+ static class Generator extends SVGGraphics2D {
+
+ int elemLevel = 0;
+ String newElementId = null;
+ ArrayList<Element> elements = new ArrayList<Element>();
+
+ public static final String svgNS = "http://www.w3.org/2000/svg";
+
+ public Generator(SVGGeneratorContext ctx, boolean joku) {
+ super(ctx, joku);
+ }
+
+ public Generator(Document document) {
+ super(document);
+ }
+
+ @Override
+ public Element getRoot() {
+ Element root = super.getRoot();
+ for(Element e : elements) {
+ root.appendChild(e);
+ }
+ return root;
+ }
+
+ @Override
+ public void setRenderingHint(Key arg0, Object arg1) {
+ if(G2DRenderingHints.KEY_BEGIN_ELEMENT == arg0) {
+ elemLevel++;
+ }
+ if(G2DRenderingHints.KEY_ELEMENT_ID == arg0) {
+ if(arg1 != null)
+ newElementId = arg1.toString();
+ else
+ newElementId = UUID.randomUUID().toString();
+ }
+ if(G2DRenderingHints.KEY_END_ELEMENT == arg0) {
+ elemLevel--;
+ if(elemLevel == 0) {
+ Element group = getDOMFactory().createElement(SVG_G_TAG);
+ //Element group = getDOMFactory().createElementNS(SVG_NAMESPACE_URI, SVG_G_TAG);
+ group.setAttributeNS(null, "id", newElementId);
+ group.setAttributeNS(null, "class", arg1.toString());
+ getRoot(group);
+ elements.add(group);
+ }
+ }
+ super.setRenderingHint(arg0, arg1);
+ }
+
+ }
+
+ public static Element renderSVGNode(IG2DNode node) {
+
+ // Get a DOMImplementation.
+ DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
+
+ // Create an instance of org.w3c.dom.Document.
+ String svgNS = "http://www.w3.org/2000/svg";
+ Document document = domImpl.createDocument(svgNS, "svg", null);
+
+ SVGGeneratorContext ctx = SVGGeneratorContext.createDefault(document);
+ ctx.setComment(null);
+
+ // Create an instance of the SVG Generator.
+ SVGGraphics2D svgGenerator = new Generator(ctx, false);
+
+ try {
+
+ svgGenerator.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
+ svgGenerator.setRenderingHint(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
+ svgGenerator.setRenderingHint(RenderingHints.KEY_TEXT_ANTIALIASING, RenderingHints.VALUE_TEXT_ANTIALIAS_ON);
+
+ node.render(svgGenerator);
+
+ } catch (Throwable t) {
+ LOGGER.error("Problems rendering scene graph to SVG", t);
+ }
+
+ return svgGenerator.getRoot();
+ }
+
+ public static String printSVGDocument(Element doce) {
+
+ StringBuilder result = new StringBuilder();
+
+ NodeList nl = doce.getChildNodes();
+
+ for(int i=0;i<nl.getLength();i++) {
+
+ ByteArrayOutputStream os = new ByteArrayOutputStream();
+
+ try {
+
+ TransformerFactory tf = TransformerFactory.newInstance();
+ Transformer transformer = tf.newTransformer();
+ transformer.setOutputProperty(OutputKeys.OMIT_XML_DECLARATION, "yes");
+ transformer.setOutputProperty(OutputKeys.STANDALONE, "no");
+ transformer.setOutputProperty(OutputKeys.METHOD, "xml");
+ transformer.setOutputProperty(OutputKeys.INDENT, "yes");
+ transformer.setOutputProperty(OutputKeys.ENCODING, "UTF-8");
+ transformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
+
+ transformer.transform(new DOMSource(nl.item(i)),
+ new StreamResult(new OutputStreamWriter(os, "UTF-8")));
+
+ os.flush();
+ os.close();
+
+ } catch (Throwable t) {
+ LOGGER.error("Problems formatting SVGDocument to text.", t);
+ }
+
+ result.append(new String(os.toByteArray()));
+
+ }
+
+ return result.toString();
+
+ }
+
+ public static String renderSVG(ICanvasContext ctx) {
+
+ // Get a DOMImplementation.
+ DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();
+
+ // Create an instance of org.w3c.dom.Document.
+ String svgNS = "http://www.w3.org/2000/svg";
+ Document document = domImpl.createDocument(svgNS, "svg", null);
+
+ // Create an instance of the SVG Generator.
+ SVGGraphics2D svgGenerator = new Generator(document);
+
+ StringBuilder b = new StringBuilder();
+
+ try {
+
+ G2DSceneGraph sg = ctx.getSceneGraph();
+ G2DParentNode root = (G2DParentNode) sg.getRootNode();
+
+ // rtree is the actual content of the diagram
+ RTreeNode rtree = NodeUtil.getNearestChildByClass(root, RTreeNode.class);
+ Rectangle2D rtreeBounds = NodeUtil.getLocalBounds(rtree);
+
+ // nav is a node that has zooming functionalities
+ NavigationNode nav = NodeUtil.getNearestChildByClass(root, NavigationNode.class);
+ nav.setZoomEnabled(true);
+
+ // fit view with the contents of rtreeBounds
+ nav.zoomTo(rtreeBounds);
+
+ // get the bounds of the content
+ Rectangle2D content = NodeUtil.getLocalBounds(nav);
+
+ svgGenerator.scale(3,3);
+
+ // translate svgGenerator to the x and y coordinates of current content
+ svgGenerator.translate(-1 * content.getX(), (-1 * content.getY()));
+
+ Rectangle2D destination = new Rectangle2D.Double(0,0,1000,1000);
+ double sx = destination.getWidth() / content.getWidth();
+ double sy = destination.getHeight() / content.getHeight();
+ double scale = sx < sy ? sx : sy;
+
+ // Set svgCanvasSize to the given size parameters
+ svgGenerator.setSVGCanvasSize(new Dimension((int)(scale * content.getWidth()), (int)(scale * content.getHeight())));
+ svgGenerator.setClip(content);
+
+ double trX = -1 * content.getX();
+ double trY = -1 * content.getY();
+
+ b.append("<svg width=\"100%\" height=\"100%\" stroke=\"black\"><g transform=\"translate(").append(trX).append(' ').append(trY).append(")\">");
+
+ IG2DNodeVisitor visitor = new IG2DNodeVisitor() {
+
+ int indent = 0;
+
+ HashMap<IG2DNode,Integer> enters = new HashMap<>();
+
+ @Override
+ public void enter(IG2DNode node) {
+ indent++;
+ if(node instanceof ConnectionNode) {
+ Element doc = renderSVGNode((IG2DNode)node);
+ String svg = printSVGDocument(doc);
+ b.append(svg);
+ } else if (node instanceof SVGNode) {
+ SVGNode svg = (SVGNode)node;
+ b.append(svg.getSVGText());
+ } else if (node instanceof G2DParentNode) {
+ AffineTransform at = node.getTransform();
+ if(node instanceof SingleElementNode) {
+ SingleElementNode sen = (SingleElementNode)node;
+ if(sen.getKey() != null) {
+ String key = sen.getKey().toString();
+ b.append("\n<g class=\"definedElement\" id=\"" + key + "\">");
+ }
+ }
+ if(!at.isIdentity()) {
+ if(at.getScaleX() == 1.0 && at.getScaleY() == 1.0 && at.getShearX() == 0.0 && at.getShearY() == 0.0) {
+ String m = "translate(" + at.getTranslateX() + " " + at.getTranslateY() + ")";
+ b.append("\n<g transform=\"" + m + "\">");
+ } else {
+ double[] ds = new double[6];
+ at.getMatrix(ds);
+ String m = "matrix(" + ds[0] + " " + ds[1] + " " + ds[2] + " " + ds[3] + " " + ds[4] + " " + ds[5] + ")";
+ b.append("\n<g transform=\"" + m + "\">");
+ }
+ }
+ }
+
+ enters.put(node, b.length());
+
+ }
+
+ @Override
+ public void leave(IG2DNode node) {
+ if(node instanceof ConnectionNode || node instanceof SVGNode) {
+ // We are done
+ } else if (node instanceof G2DParentNode) {
+ AffineTransform at = node.getTransform();
+ if(!at.isIdentity()) {
+ b.append("</g>");
+ }
+ if(node instanceof SingleElementNode) {
+ SingleElementNode sen = (SingleElementNode)node;
+ if(sen.getKey() != null) {
+ int enterLength = enters.get(node);
+ if(b.length() == enterLength) {
+ Element doc = renderSVGNode((IG2DNode)node);
+ String svg = printSVGDocument(doc);
+ b.append(svg);
+ }
+ b.append("</g>");
+ }
+ }
+ }
+ indent --;
+ }
+
+ };
+ sg.accept(visitor);
+
+ } catch (Throwable t) {
+ LOGGER.error("Problems rendering canvas context to SVG", t);
+ }
+
+ b.append("</g></svg>");
+ //System.err.println(" == FINAL RESULT == ");
+ //System.err.println(b);
+ return b.toString();
+
+ }
+
}
\ No newline at end of file
Code Review / simantics / platform.git / commitdiff