--- /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.awt.Point;\r
+import java.awt.Shape;\r
+import java.awt.geom.Rectangle2D;\r
+import java.io.BufferedReader;\r
+import java.io.IOException;\r
+import java.io.InputStream;\r
+import java.io.InputStreamReader;\r
+import java.net.URL;\r
+import java.util.EnumSet;\r
+\r
+import org.simantics.g2d.image.Image;\r
+import org.simantics.scenegraph.Node;\r
+import org.simantics.scenegraph.g2d.G2DParentNode;\r
+import org.simantics.scenegraph.g2d.nodes.SVGNode;\r
+import org.simantics.utils.datastructures.cache.IFactory;\r
+import org.simantics.utils.datastructures.cache.ProvisionException;\r
+\r
+/**\r
+ * This is a SVG implementation to the PaintableSymbol interface.\r
+ */\r
+public class SVGImage implements Image {\r
+\r
+ static EnumSet<Feature> caps = EnumSet.of(Feature.Vector);\r
+\r
+ private Rectangle2D bounds;\r
+ private final String nodeIdentifier;\r
+ private final String svgDocument;\r
+ private Point targetSize;\r
+\r
+ public static SVGImage loadFromURL(String nodeIdentifier, URL url) throws IOException {\r
+ InputStream in = url.openStream();\r
+ try {\r
+ return new SVGImage(nodeIdentifier, in);\r
+ } finally {\r
+ in.close();\r
+ }\r
+ }\r
+\r
+ public static IFactory<Image> createFactoryFromString(String nodeIdentifier, String svgDocument) {\r
+ return createFactoryFromString(svgDocument, null);\r
+ }\r
+\r
+ public static IFactory<Image> createFactoryFromString(String nodeIdentifier, String svgDocument, Point targetSize) {\r
+ return new SVGFactory(nodeIdentifier, svgDocument, targetSize);\r
+ }\r
+\r
+ static class SVGFactory implements IFactory<Image> {\r
+ String nodeIdentifier;\r
+ String document;\r
+ Point targetSize;\r
+ public SVGFactory(String nodeIdentifier, String document) {\r
+ this(nodeIdentifier, document, null);\r
+ }\r
+ public SVGFactory(String nodeIdentifier, String document, Point referenceSize) {\r
+ if (nodeIdentifier == null)\r
+ throw new NullPointerException("nodeIdentifier is null");\r
+ if (document == null)\r
+ throw new NullPointerException("document is null");\r
+\r
+ this.nodeIdentifier = nodeIdentifier;\r
+ this.document = document;\r
+ this.targetSize = referenceSize;\r
+ }\r
+ @Override\r
+ public Image get() throws ProvisionException {\r
+ return new SVGImage(nodeIdentifier, document, targetSize);\r
+ }\r
+ @Override\r
+ public boolean equals(Object obj) {\r
+ if (this == obj)\r
+ return true;\r
+ if (obj == null)\r
+ return false;\r
+ if (!obj.getClass().equals(getClass()))\r
+ return false;\r
+\r
+ SVGFactory other = (SVGFactory)obj;\r
+\r
+ if (!nodeIdentifier.equals(other.nodeIdentifier))\r
+ return false;\r
+ if (targetSize != null) {\r
+ if (!targetSize.equals(other.targetSize))\r
+ return false;\r
+ } else {\r
+ if (other.targetSize != null)\r
+ return false;\r
+ }\r
+\r
+ return document.equals(other.document);\r
+ }\r
+ @Override\r
+ public int hashCode() {\r
+ return nodeIdentifier.hashCode() * 31 + document.hashCode() + 123;\r
+ }\r
+ }\r
+\r
+ public SVGImage(String nodeIdentifier, String svgDocument)\r
+ {\r
+ this(nodeIdentifier, svgDocument, null);\r
+ }\r
+\r
+ public SVGImage(String nodeIdentifier, String svgDocument, Point targetSize)\r
+ {\r
+ if (nodeIdentifier == null)\r
+ throw new NullPointerException("nodeIdentifier is null");\r
+ if (svgDocument == null)\r
+ throw new NullPointerException("svgDocument is null");\r
+\r
+ this.nodeIdentifier = nodeIdentifier;\r
+ this.svgDocument = svgDocument;\r
+ this.targetSize = targetSize;\r
+ //this.bounds = SVGNode.getBounds(svgDocument);\r
+ }\r
+\r
+ public SVGImage(String nodeIdentifier, InputStream svgInput)\r
+ {\r
+ if (nodeIdentifier == null)\r
+ throw new NullPointerException("nodeIdentifier is null");\r
+\r
+ String data = "";\r
+ try {\r
+ BufferedReader reader = new BufferedReader(new InputStreamReader(svgInput, "UTF-8"));\r
+ String line = "";\r
+ while((line = reader.readLine()) != null) {\r
+ data += line+"\n";\r
+ }\r
+ } catch(IOException e) {\r
+ }\r
+\r
+ this.nodeIdentifier = nodeIdentifier;\r
+ this.bounds = SVGNode.getBounds(data);\r
+ this.svgDocument = data;\r
+ }\r
+\r
+ @Override\r
+ public Node init(G2DParentNode parent) {\r
+ // FIXME: mipmaps enabled here by default, since some apps just don't work without them.\r
+ // Figure out a way to pass the mipmap argument from above\r
+\r
+ SVGNode node = parent.getOrCreateNode(nodeIdentifier, SVGNode.class);\r
+ node.setData(svgDocument);\r
+ node.setTargetSize(targetSize);\r
+ node.useMipMap(true);\r
+\r
+ return node;\r
+ }\r
+\r
+ @Override\r
+ public Rectangle2D getBounds() {\r
+ if(bounds == null) bounds = SVGNode.getBounds(svgDocument);\r
+ return bounds;\r
+ }\r
+\r
+ @Override\r
+ public Shape getOutline() {\r
+ return getBounds();\r
+ }\r
+\r
+ @Override\r
+ public void addImageListener(ImageListener listener) {\r
+ }\r
+\r
+ @Override\r
+ public EnumSet<Feature> getFeatures() {\r
+ return caps;\r
+ }\r
+\r
+ @Override\r
+ public void removeImageListener(ImageListener listener) {\r
+ }\r
+\r
+}\r
Code Review / simantics / platform.git / blobdiff