/**
* Looks up a href within our universe. If the href refers to a document that is not loaded, it
* will be loaded. The URL #target will then be checked against the SVG diagram's index and the
* coresponding element returned. If there is no coresponding index, null is returned.
*/
public SVGElement getElement(URI path, boolean loadIfAbsent) {
try {
// Strip fragment from URI
URI xmlBase = new URI(path.getScheme(), path.getSchemeSpecificPart(), null);
SVGDiagram dia = (SVGDiagram) loadedDocs.get(xmlBase);
if (dia == null && loadIfAbsent) {
// System.err.println("SVGUnivserse: " + xmlBase.toString());
// javax.swing.JOptionPane.showMessageDialog(null, xmlBase.toString());
URL url = xmlBase.toURL();
loadSVG(url, false);
dia = (SVGDiagram) loadedDocs.get(xmlBase);
if (dia == null) {
return null;
}
}
String fragment = path.getFragment();
return fragment == null ? dia.getRoot() : dia.getElement(fragment);
} catch (Exception e) {
Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, "Could not parse path " + path, e);
return null;
}
}
private void loadURL(URL url) {
boolean verbose = cmCheck_verbose.isSelected();
universe = new SVGUniverse();
universe.setVerbose(verbose);
SVGDiagram diagram = null;
if (!CheckBoxMenuItem_anonInputStream.isSelected()) {
// Load from a disk with a valid URL
URI uri = universe.loadSVG(url);
if (verbose) System.err.println(uri.toString());
diagram = universe.getDiagram(uri);
} else {
// Load from a stream with no particular valid URL
try {
InputStream is = url.openStream();
URI uri = universe.loadSVG(is, "defaultName");
if (verbose) System.err.println(uri.toString());
diagram = universe.getDiagram(uri);
} catch (Exception e) {
e.printStackTrace();
}
}
svgDisplayPanel.setDiagram(diagram);
repaint();
}
/**
* Returns the diagram that has been loaded from this root. If diagram is not already loaded,
* returns null.
*/
public SVGDiagram getDiagram(URI xmlBase, boolean loadIfAbsent) {
if (xmlBase == null) {
return null;
}
SVGDiagram dia = (SVGDiagram) loadedDocs.get(xmlBase);
if (dia != null || !loadIfAbsent) {
return dia;
}
// Load missing diagram
try {
URL url;
if ("jar".equals(xmlBase.getScheme())
&& xmlBase.getPath() != null
&& !xmlBase.getPath().contains("!/")) {
// Workaround for resources stored in jars loaded by Webstart.
// http://bugs.sun.com/bugdatabase/view_bug.do?bug_id=6753651
url = SVGUniverse.class.getResource("xmlBase.getPath()");
} else {
url = xmlBase.toURL();
}
loadSVG(url, false);
dia = (SVGDiagram) loadedDocs.get(xmlBase);
return dia;
} catch (Exception e) {
Logger.getLogger(SVGConst.SVG_LOGGER).log(Level.WARNING, "Could not parse", e);
}
return null;
}
private void loadURL(URL url) {
boolean verbose = cmCheck_verbose.isSelected();
// SVGUniverse universe = new SVGUniverse();
SVGUniverse universe = SVGCache.getSVGUniverse();
SVGDiagram diagram = null;
URI uri;
if (!CheckBoxMenuItem_anonInputStream.isSelected()) {
// Load from a disk with a valid URL
uri = universe.loadSVG(url);
if (verbose) System.err.println("Loading document " + uri.toString());
diagram = universe.getDiagram(uri);
} else {
// Load from a stream with no particular valid URL
try {
InputStream is = url.openStream();
uri = universe.loadSVG(is, "defaultName");
if (verbose) System.err.println("Loading document " + uri.toString());
} catch (Exception e) {
e.printStackTrace();
return;
}
}
/*
ByteArrayOutputStream bs = new ByteArrayOutputStream();
ObjectOutputStream os = new ObjectOutputStream(bs);
os.writeObject(universe);
os.close();
ByteArrayInputStream bin = new ByteArrayInputStream(bs.toByteArray());
ObjectInputStream is = new ObjectInputStream(bin);
universe = (SVGUniverse)is.readObject();
is.close();
*/
diagram = universe.getDiagram(uri);
svgDisplayPanel.setDiagram(diagram);
repaint();
}
/**
* @param pathToSVGFile e.g. "/tracks/monaco/track.svg"
* @param width int declaring required width
* @param height int declaring required height
* @return the successfully rendered BufferedImage, null otherwise
*/
public static BufferedImage getSVGImage(
final String pathToSVGFile, final int width, final int height) {
final BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
try {
final SVGUniverse uni = new SVGUniverse();
final URI svgURI = uni.loadSVG(ImageLoader.class.getResource(pathToSVGFile));
paintImage((Graphics2D) image.getGraphics(), new Dimension(width, height), uni, svgURI);
} catch (final Exception e) {
e.printStackTrace();
return null;
}
return createCompatibleImage(image, true);
}
