I am loading svg file through following lines of code into my application
parser = XMLResourceDescriptor.getXMLParserClassName();
factory = new SAXSVGDocumentFactory(parser);
// ua = new UserAgentAdapter();
// loader = new DocumentLoader(ua);
// ctx = new BridgeContext(ua, loader);
// ctx.setDynamicState(BridgeContext.DYNAMIC);
doc = factory.createSVGDocument(svg.toURI().toString());
generator = new SVGGraphics2D(doc);
the document is generated previously with the SVG generator and it can be view in all the SVG browser and it does not contain any error.
now i am updating document
// do here height / width calculation for canvas and image itself Dimension d = calculateImageSize(true, true);
System.out.println(" 400 DPI Original width " + d.getWidth()
+ " height " + d.getHeight());
generator.setSVGCanvasSize(d);
Element root = doc.getDocumentElement();
//root.setAttributeNS(null, "viewBox", ("0 0 " + (d.getWidth() + " " + d
// .getHeight())));
NodeList imageList = root.getElementsByTagName("image");
Node imageNode = imageList.item(0);
Element image = (Element) imageNode;
image.setAttributeNS(null, "width", String.valueOf(d.getWidth()));
image.setAttributeNS(null, "height", String.valueOf(d.getHeight()));
updateCanvas();
following is updateCanvas implementation
public void updateCanvas() {
Element root = doc.getDocumentElement();
generator.getRoot(root);
canvas.setSVGDocument(doc);
}
now when i try to save this updated doc with following method
public void savePngImage(String pngFile, boolean is400DPI) throws IOException {
OutputStream ostream = null;
try {
System.gc();
ostream = new FileOutputStream(pngFile);
transCoder = new PNGTranscoder();
if (is400DPI) {
transCoder.addTranscodingHint(
ImageTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER,
new Float(0.0635f));
} else {
transCoder.addTranscodingHint(
ImageTranscoder.KEY_PIXEL_UNIT_TO_MILLIMETER,
new Float(0.3528f));
}
transCoder.addTranscodingHint(PNGTranscoder.KEY_INDEXED,
new Integer(5));
transCoder.addTranscodingHint(ImageTranscoder.KEY_MEDIA, "screen");
TranscoderInput input = new TranscoderInput(canvas.getSVGDocument());
TranscoderOutput output = new TranscoderOutput(ostream);
// perform Transcoding
transCoder.transcode(input, output);
} catch (TranscoderException te) {
te.printStackTrace();
throw new IOException(te.getMessage());
} finally {
ostream.flush();
ostream.close();
}
}
with every run , the program throws random exception,
like
** CSSEngine: exception property.syntax.error:org.w3c.dom.DOMException: The "o" identifier is not a valid value for the "shape-rendering" property.
AttrValue:auto
* CSSEngine: exception property.syntax.error:org.w3c.dom.DOMException: The "" identifier is not a valid value for the "shape-rendering" property.
AttrValue:auto
Exception:org.w3c.dom.DOMException org.w3c.dom.DOMException: The "" identifier is not a valid value for the "shape-rendering" property. at org.apache.batik.css.engine.value.AbstractValueFactory.createInvalidIdentifierDOMException(AbstractValueFactory.java:50) at org.apache.batik.css.engine.value.IdentifierManager.createValue(IdentifierManager.java:48) at org.apache.batik.css.engine.CSSEngine$1.property(CSSEngine.java:744) at org.apache.batik.css.engine.CSSEngine.getCascadedStyleMap(CSSEngine.java:768) at org.apache.batik.css.engine.CSSEngine.getComputedStyle(CSSEngine.java:876) at org.apache.batik.bridge.CSSUtilities.getComputedStyle(CSSUtilities.java:82) at org.apache.batik.bridge.CSSUtilities.convertVisibility(CSSUtilities.java:579) at org.apache.batik.bridge.SVGSVGElementBridge.createGraphicsNode(SVGSVGElementBridge.java:142) at org.apache.batik.bridge.GVTBuilder.build(GVTBuilder.java:76) at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:208) at com.mmg.app.svg.TiledImageTranscoder.transcode(TiledImageTranscoder.java:61) at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(XMLAbstractTranscoder.java:142) at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:156) at com.mmg.app.svg.ShoeComponentPNGCreator.savePngImage(ShoeComponentPNGCreator.java:601) at com.mmg.app.svg.ShoeComponentPNGCreator.create72DPIOriginalImage(ShoeComponentPNGCreator.java:305) at com.mmg.app.svg.ShoeComponentPNGCreator.processStyleImaging(ShoeComponentPNGCreator.java:226) at com.mmg.app.svg.ShoeComponentPNGCreator.traverseFolder(ShoeComponentPNGCreator.java:186) at com.mmg.app.svg.ShoeComponentPNGCreator.main(ShoeComponentPNGCreator.java:662)
* CSSEngine: exception.... org.w3c.dom.DOMException: file:/F:/workspace/MonoGeneiousShoe/src/svg/72DPI/Style-5/Left_Style-5.svg: The attribute "shape-rendering" represents an invalid CSS value ("auto"). Original message: The "" identifier is not a valid value for the "shape-rendering" property. at org.apache.batik.css.engine.CSSEngine.getCascadedStyleMap(CSSEngine.java:784) at org.apache.batik.css.engine.CSSEngine.getComputedStyle(CSSEngine.java:876) at org.apache.batik.bridge.CSSUtilities.getComputedStyle(CSSUtilities.java:82) at org.apache.batik.bridge.CSSUtilities.convertVisibility(CSSUtilities.java:579) at org.apache.batik.bridge.SVGSVGElementBridge.createGraphicsNode(SVGSVGElementBridge.java:142) at org.apache.batik.bridge.GVTBuilder.build(GVTBuilder.java:76) at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:208) at com.mmg.app.svg.TiledImageTranscoder.transcode(TiledImageTranscoder.java:61) at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(XMLAbstractTranscoder.java:142) at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:156) at com.mmg.app.svg.ShoeComponentPNGCreator.savePngImage(ShoeComponentPNGCreator.java:601) at com.mmg.app.svg.ShoeComponentPNGCreator.create72DPIOriginalImage(ShoeComponentPNGCreator.java:305) at com.mmg.app.svg.ShoeComponentPNGCreator.processStyleImaging(ShoeComponentPNGCreator.java:226) at com.mmg.app.svg.ShoeComponentPNGCreator.traverseFolder(ShoeComponentPNGCreator.java:186) at com.mmg.app.svg.ShoeComponentPNGCreator.main(ShoeComponentPNGCreator.java:662)
Exception:org.w3c.dom.DOMException org.w3c.dom.DOMException: The "o" identifier is not a valid value for the "shape-rendering" property. at org.apache.batik.css.engine.value.AbstractValueFactory.createInvalidIdentifierDOMException(AbstractValueFactory.java:50) at org.apache.batik.css.engine.value.IdentifierManager.createValue(IdentifierManager.java:48) at org.apache.batik.css.engine.CSSEngine$1.property(CSSEngine.java:744) at org.apache.batik.css.engine.CSSEngine.getCascadedStyleMap(CSSEngine.java:768) at org.apache.batik.css.engine.CSSEngine.getComputedStyle(CSSEngine.java:876) at org.apache.batik.bridge.CSSUtilities.getComputedStyle(CSSUtilities.java:82) at org.apache.batik.bridge.CSSUtilities.convertVisibility(CSSUtilities.java:579) at org.apache.batik.bridge.SVGSVGElementBridge.createGraphicsNode(SVGSVGElementBridge.java:142) at org.apache.batik.bridge.GVTBuilder.build(GVTBuilder.java:76) at org.apache.batik.swing.svg.GVTTreeBuilder.run(GVTTreeBuilder.java:96) ERROR: null Enclosed Exception: file:/F:/workspace/MonoGeneiousShoe/src/svg/72DPI/Style-5/Left_Style-5.svg: The attribute "shape-rendering" represents an invalid CSS value ("auto"). Original message: The "" identifier is not a valid value for the "shape-rendering" property.
* CSSEngine: exception.... org.w3c.dom.DOMException: file:/F:/workspace/MonoGeneiousShoe/src/svg/72DPI/Style-5/Left_Style-5.svg: The attribute "shape-rendering" represents an invalid CSS value ("auto"). Original message: The "o" identifier is not a valid value for the "shape-rendering" property. at org.apache.batik.css.engine.CSSEngine.getCascadedStyleMap(CSSEngine.java:784) at org.apache.batik.css.engine.CSSEngine.getComputedStyle(CSSEngine.java:876) at org.apache.batik.bridge.CSSUtilities.getComputedStyle(CSSUtilities.java:82) at org.apache.batik.bridge.CSSUtilities.convertVisibility(CSSUtilities.java:579) at org.apache.batik.bridge.SVGSVGElementBridge.createGraphicsNode(SVGSVGElementBridge.java:142) at org.apache.batik.bridge.GVTBuilder.build(GVTBuilder.java:76) at org.apache.batik.swing.svg.GVTTreeBuilder.run(GVTTreeBuilder.java:96) ERROR: null Enclosed Exception: file:/F:/workspace/MonoGeneiousShoe/src/svg/72DPI/Style-5/Left_Style-5.svg: The attribute "shape-rendering" represents an invalid CSS value ("auto"). Original message: The "o" identifier is not a valid value for the "shape-rendering" property.
* CSSEngine: exception property.syntax.error:org.w3c.dom.DOMException: The "lormal" identifier is not a valid value for the "font-style" property.
AttrValue:normal
Exception:org.w3c.dom.DOMException org.w3c.dom.DOMException: The "lormal" identifier is not a valid value for the "font-style" property. at org.apache.batik.css.engine.value.AbstractValueFactory.createInvalidIdentifierDOMException(AbstractValueFactory.java:50) at org.apache.batik.css.engine.value.IdentifierManager.createValue(IdentifierManager.java:48) at org.apache.batik.css.engine.CSSEngine$1.property(CSSEngine.java:744) at org.apache.batik.css.engine.CSSEngine.getCascadedStyleMap(CSSEngine.java:768) at org.apache.batik.css.engine.CSSEngine.getComputedStyle(CSSEngine.java:876) at org.apache.batik.bridge.CSSUtilities.getComputedStyle(CSSUtilities.java:82) at org.apache.batik.bridge.CSSUtilities.convertVisibility(CSSUtilities.java:579) at org.apache.batik.bridge.SVGSVGElementBridge.createGraphicsNode(SVGSVGElementBridge.java:142) at org.apache.batik.bridge.GVTBuilder.build(GVTBuilder.java:76) at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:208) at com.mmg.app.svg.TiledImageTranscoder.transcode(TiledImageTranscoder.java:61) at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(XMLAbstractTranscoder.java:142) at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:156) at com.mmg.app.svg.ShoeComponentPNGCreator.savePngImage(ShoeComponentPNGCreator.java:601) at com.mmg.app.svg.ShoeComponentPNGCreator.create72DPIOriginalImage(ShoeComponentPNGCreator.java:305) at com.mmg.app.svg.ShoeComponentPNGCreator.processStyleImaging(ShoeComponentPNGCreator.java:226) at com.mmg.app.svg.ShoeComponentPNGCreator.traverseFolder(ShoeComponentPNGCreator.java:186) at com.mmg.app.svg.ShoeComponentPNGCreator.main(ShoeComponentPNGCreator.java:662)
* CSSEngine: exception.... org.w3c.dom.DOMException: file:/F:/workspace/MonoGeneiousShoe/src/svg/72DPI/Style-5/Left_Style-5.svg: The attribute "font-style" represents an invalid CSS value ("normal"). Original message: The "lormal" identifier is not a valid value for the "font-style" property. at org.apache.batik.css.engine.CSSEngine.getCascadedStyleMap(CSSEngine.java:784) at org.apache.batik.css.engine.CSSEngine.getComputedStyle(CSSEngine.java:876) at org.apache.batik.bridge.CSSUtilities.getComputedStyle(CSSUtilities.java:82) at org.apache.batik.bridge.CSSUtilities.convertVisibility(CSSUtilities.java:579) at org.apache.batik.bridge.SVGSVGElementBridge.createGraphicsNode(SVGSVGElementBridge.java:142) at org.apache.batik.bridge.GVTBuilder.build(GVTBuilder.java:76) at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:208) at com.mmg.app.svg.TiledImageTranscoder.transcode(TiledImageTranscoder.java:61) at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(XMLAbstractTranscoder.java:142) at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:156) at com.mmg.app.svg.ShoeComponentPNGCreator.savePngImage(ShoeComponentPNGCreator.java:601) at com.mmg.app.svg.ShoeComponentPNGCreator.create72DPIOriginalImage(ShoeComponentPNGCreator.java:305) at com.mmg.app.svg.ShoeComponentPNGCreator.processStyleImaging(ShoeComponentPNGCreator.java:226) at com.mmg.app.svg.ShoeComponentPNGCreator.traverseFolder(ShoeComponentPNGCreator.java:186) at com.mmg.app.svg.ShoeComponentPNGCreator.main(ShoeComponentPNGCreator.java:662) ERROR: null Enclosed Exception: file:/F:/workspace/MonoGeneiousShoe/src/svg/72DPI/Style-5/Left_Style-5.svg: The attribute "font-style" represents an invalid CSS value ("normal"). Original message: The "lormal" identifier is not a valid value for the "font-style" property. java.lang.NullPointerException at com.mmg.app.svg.TiledImageTranscoder.transcode(TiledImageTranscoder.java:69) at org.apache.batik.transcoder.XMLAbstractTranscoder.transcode(XMLAbstractTranscoder.java:142) at org.apache.batik.transcoder.SVGAbstractTranscoder.transcode(SVGAbstractTranscoder.java:156) at com.mmg.app.svg.ShoeComponentPNGCreator.savePngImage(ShoeComponentPNGCreator.java:601) at com.mmg.app.svg.ShoeComponentPNGCreator.create72DPIOriginalImage(ShoeComponentPNGCreator.java:305) at com.mmg.app.svg.ShoeComponentPNGCreator.processStyleImaging(ShoeComponentPNGCreator.java:226) at com.mmg.app.svg.ShoeComponentPNGCreator.traverseFolder(ShoeComponentPNGCreator.java:186) at com.mmg.app.svg.ShoeComponentPNGCreator.main(ShoeComponentPNGCreator.java:662)
sometimes it says height is 0 , sometimes it says stroke-width is not valid attributes etc.
i think it is CSS engine related issue. what do i do wrong here ?
Thank You Mihir Parekh
i found the solution . the problem is multiple threads updates same time the canvas and that's why the exception. the solution is following code,
UpdateManager updateManager = canvas.getUpdateManager();
updateManager.getUpdateRunnableQueue().invokeLater(
new Runnable() {
@Override
public void run() {
// my update code here
}
Thank You