[kepler-dev] Animated GIFs in Ptolemy

[Christopher Brooks]

Hi Sven,
Thanks, I folded in that change to ptII/diva and updated ptII/lib/diva.jar.

It would be interesting to be able to show animated gif versions of plots.

_Christopher

On 5/9/11 3:47 PM, Sven Koehler wrote:
> we recently needed support for animated GIFs on the canvas in Kepler.
> I made some changes in Ptolemy to repaint the Image on frame change
> events and haven't seen any performance issues.
>

> Index: diva/canvas/toolbox/ImageFigure.java
> ===================================================================
> --- diva/canvas/toolbox/ImageFigure.java	(revision 60927)
> +++ diva/canvas/toolbox/ImageFigure.java	(working copy)
> @@ -157,6 +157,9 @@
>       */
>      public boolean imageUpdate(Image image, int infoflags, int x, int y,
>              int width, int height) {
> +
> +        if ( (infoflags & ImageObserver.FRAMEBITS) != 0 ) repaint();
> +
>          if ((infoflags & (ImageObserver.ERROR | ImageObserver.ABORT)) != 0) {
>              // Create a default error image.
>              URL url = getClass().getResource(




-- 
Christopher Brooks, PMP                       University of California
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