hi,
I am a beginner batik user and at the moment I am working on apiece of code
which would allow me to open svg file edit it and save it as an svg file.
I have sucessfully loaded svg file (thanks to thomas.deweese) and currently
I'm facing a problem with saving it to an svg file.
Below is the sourcecode for the function which is supposed to do the task.
public void editSVG (String inputFilename, String outputFilename) throws
Exception {
String svgURI = new File(inputFilename).toURL().toString();
try{
UserAgentAdapter ua = new UserAgentAdapter();
DocumentLoader loader = new DocumentLoader(ua);
Document doc = loader.loadDocument(svgURI);
// get the root element (the svg element)
Element svgRoot = doc.getDocumentElement();
// set the width and height attribute on the root svg element
svgRoot.setAttributeNS(svgURI, "width", "400");
svgRoot.setAttributeNS(svgURI, "height", "330");
// create the rectangle
Element rectangle = doc.createElementNS(svgNS, "rect");
rectangle.setAttributeNS(null, "x", "200");
rectangle.setAttributeNS(null, "y", "200");
rectangle.setAttributeNS(null, "width", "100");
rectangle.setAttributeNS(null, "height", "100");
rectangle.setAttributeNS(null, "fill", "red");
// attach the rectangle to the svg root element
svgRoot.appendChild(rectangle);
TranscoderInput input = new TranscoderInput(doc);
OutputStream ostream = new FileOutputStream(outputFilename);
TranscoderOutput output = new TranscoderOutput(ostream);
svgTrans.transcode(input, output);
ostream.flush();
ostream.close();
System.out.println("SVG edited");
} catch (Exception e){
System.out.println("Error: " + e);
}
}
The error message i'm recieving during the program runtime:
Exception in thread "main" java.lang.Error: Writer expected
at org.apache.batik.transcoder.svg2svg.SVGTranscoder.transcode(Unknown
Source)
at SVGtoJPEG.editSVG(SVGtoJPEG.java:96)
at SVGtoJPEG.main(SVGtoJPEG.java:112)
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