Hi Yasmin,
[EMAIL PROTECTED] wrote on 03/11/2006 05:44:31 PM:
> I did initially try to add the red circles to the svg document
> programatically, infact I think you emailed me a snippet of your code
but
> it doesn't work, the code compiles but does not display the red-circles,
I
> tried to repaint my canvas, that don't work... here's the code I'm using
> maybe you might be able to spot where I'm making the error...
The code looks pretty good. You aren't that far from a
standalone example, this would help me help you...
> //I added this in my constructor
> canvas.setDocumentState(JSVGCanvas.ALWAYS_DYNAMIC);
This must be done _before_ you set the document on the canvas.
> //The following code I added in my ActionListener triggred by a button
Are you sure this code runs? Some println's might help make sure
that your spots list isn't empty for some reason, etc. You don't
need to 'repaint' the canvas.
> canvas.getUpdateManager().getUpdateRunnableQueue().invokeLater(new
> Runnable() {
>
> public void run()
> {
> SVGDocument doc = canvas.getSVGDocument();
> String SVGNS = "http://www.w3.org/2000/svg";;
> Iterator i = spots.iterator();
> Element g = doc.getElementById("circleGroup");
> if (g == null)
> {
> g = doc.createElementNS(SVGNS,"g");
> g.setAttributeNS(null, "id", "circleGroup");
> doc.getRootElement().appendChild(g);
> }
>
>
> while (i.hasNext())
> {
> Point2D pt2d = (Point2D) i.next();
> Element e =
doc.createElementNS(SVGNS,"circle");
> e.setAttributeNS(null,"cx",""+pt2d.getX());
> e.setAttributeNS(null,"cy",""+pt2d.getY());
> e.setAttributeNS(null,"r","8");
> e.setAttributeNS(null,"fill","Red");
> g.appendChild(e);
> }
> }
> });
>
> canvas.repaint();
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