Please find attached a test case Java program and SVG file. When the program is run, a NullPointerException is thrown during transcoding. If we directly treat the SVG document instead of the copy obtained using DomUtilities.deepCloneDocument() the result is ok. If we transform the SVG file by hand to remove usage of the clipPath (simply by switching to another style), then the program just works fine in both cases (with and without cloning). We are using Batik 1.5b4, JDK 1.3.1/Windows 2000 & JDK1.4.1/Windows 98.
Thank you,
Bertrand Fontaine & CE Mosneron Dupin
Note: The sample SVG file doesn't look great, but it's normal ;)
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import java.io.*; import java.net.*; import org.w3c.dom.svg.*; import org.apache.batik.transcoder.image.*; import org.apache.batik.transcoder.*; import org.apache.batik.dom.util.*; import org.apache.batik.dom.svg.*; import org.apache.batik.util.*;
public class SvgCrashTest {
public SvgCrashTest() throws Exception {
code("sample");
}
protected void code(String file) throws Exception {
File f = new File(file + ".svg");
SVGDocument svgdoc = getSvgDocument(f);
JPEGTranscoder p = new JPEGTranscoder();
p.addTranscodingHint(JPEGTranscoder.KEY_QUALITY, new Float(1.0));
TranscoderInput input = new TranscoderInput(svgdoc);
OutputStream ostream = new FileOutputStream(file + ".jpg");
BufferedOutputStream bufOut = new BufferedOutputStream(ostream);
TranscoderOutput output = new TranscoderOutput(bufOut);
// crashes here
p.transcode(input, output);
//
bufOut.close();
return;
}
public static SVGDocument getSvgDocument(File file) throws Exception {
URL url = file.toURL();
String parser = XMLResourceDescriptor.getXMLParserClassName();
SAXSVGDocumentFactory f = new SAXSVGDocumentFactory(parser);
SVGDocument svgdoc = (SVGDocument)f.createDocument(url.toString());
return (SVGDocument)DOMUtilities.deepCloneDocument(svgdoc, svgdoc.getImplementation());
}
public static void main(String[] args) throws Exception {
SvgCrashTest cloneTest1 = new SvgCrashTest();
return;
}
}
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