Thomas DeWeese wrote:
I'm creating a new filter each time. Unfortunately the code is rather complex. I'm trying to boil it down to something digestible.
In brief, here's what I'm doing.
1. Dynamically create simple SVGDocument (runs in the Swing thread.) 2. Add filter to SVGDocument. 3. setSVGDocument(theDoc); 4. In UpdateManager thread, add <line> segments that use the new filter. 5. Expect to see filter effects, but get nothing, or garbled graphics.
It is possible that we do not calculate the effected bounds of the change to the document when the filter effect is added (although in my testing this has worked). I'll try and take a look.
If I then do a setSVGDocument(getSVGDocument()) the canvas updates as expected, and I see the filter effects correctly.
Hmmm....
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