Zoomable Visual Transformation Machine

When loading a Graphvis generated SVG with ellipses for nodes, it fails to
parse the file. The SVG parser is expecting some of the ellipse parameters
to be "Long" when they are in fact more like "Double" values. I made a
quick local change to see if the file could be loaded. I changed:

SVGReader.createEllipse(Element,Context,boolean) from:

long w=(Long.valueOf(e.getAttribute(_rx))).longValue();
long h=(Long.valueOf(e.getAttribute(_ry))).longValue();

to:

long w=(Double.valueOf(e.getAttribute(_rx))).longValue();
long h=(Double.valueOf(e.getAttribute(_ry))).longValue();

SVGReader.getNextNumber(StringBuffer) from:

while ((sb.length()>0) && ((Character.isDigit(sb.charAt(0))) ||
(sb.charAt(0)=='-'))){

if (dgb.length()>0){res=(Integer.valueOf(dgb.toString())).intValue();}

to:

while ((sb.length()>0) && ((Character.isDigit(sb.charAt(0))) ||
(sb.charAt(0)=='-') || sb.charAt(0)=='.')){

if (dgb.length()>0){res=(Double.valueOf(dgb.toString())).intValue();}


I have attached a test case with ellipses.

Ryan