setPrecission missing in SVGGeneratorContext.createDefault

[Alberto Gobbi]

Hi,
I have started to use batik it is a great tool!!!

I ran into a nullpointer exception in SVGGeneratorContext.doubleString with simple 
code like:

   public void createSVG(OutputStream out) throws IOException
   {  // Get a DOMImplementation
      DOMImplementation domImpl = GenericDOMImplementation.getDOMImplementation();

      // Create an instance of org.w3c.dom.Document
      Document document = domImpl.createDocument(null, "svg", null);

      // Create an instance of the SVG Generator
      SVGGraphics2D svgGenerator = new SVGGraphics2D(document);
      //svgGenerator.getGeneratorContext().setPrecision(4);

      draw(svgGenerator);
      svgGenerator.stream(new OutputStreamWriter(out, "UTF-8"), true);
   }

and finaly figured out that I had to add a line like:
        svgGenerator.getGeneratorContext().setPrecision(4);

I think it would be a good idea to have a call to setPrecision in 
SVGGeneratorContext.createDefault because that would prevent the exception.

Alberto


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