Hi Piyush,
A common problem is that when modifying the document through Java, Batik may consider the document to be static. So you need to set the canvas to 'ALWAYS_DYNAMIC' before loading the document.
Also it isn't clear to me from the code below if you are actually 'waiting' anywhere (you mention it in the comment but I don't know if the comment is referring to the 'setInterval' thingy or not).
On the topic of the setInterval thingy, the code looks very strange to me. The code will currently trigger the Animation callback every 20ms.
Piyush Rai wrote:
Hi, I have an SVG file containing some slides. Each slide is defined as a group having an image and some marking annotations defined by path elements. I want to show these slides images and annotations one by one at predefined timings on a JSVGCanvas. I tried something like this: for(int i=0;i<numberOfSlides;i++) { //Get the slide with index 'i' //Wait till the slide begin time //Get all the annotation paths in this slide canvas.getUpdateManager().getUpdateRunnableQueue().invokeLater(new Runnable() { public void run(){ window.setInterval(new Animation(), 20); } }
The "Animation" routine is supposed to make some changes in the path elements and show the updated paths on the corresponding slide. However, when I try running this code, all I can see is the last slide only. Rest of the slides are not shown(perhaps because invokeLater returns immediatedy and hence any changes in previous slides do not take place at all. I tried invokeAndWait also but in that case I can't see even the last slide. Perhaps, in this case, one thread keeps hold of the lock and other threads don't get access to it.
Could someone please help me out? Thanks, --Piyush.
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