Sorry if this question has been asked before - I am new to Batik
and to this mailing list.

I have to write a simple graphics editor in a Java applet.
It has the usual selection rectangle and 8 anchor rectangles around
the selected element that is to be moved or resized.

The selection rectangle and 8 anchor rectangles are drawn in
an addition to the outer canvas' paint procedure. The SVG document
is hosted by a child canvas.

All works fine as long as I am dragging. The original element
remains in its original position and size, and a fine blue
rectangle indicates the final position of the intended change.
All is fine up to this point.

At mouse release, I stop dragging and set the new coordinates
for the selected element in the canvas' document. The element
is rendered OK and the document is updated correctly (if I send
it into a file, the changes are reflected), but if my element
has become smaller, my selection rectangle and the anchors
disappear on the sides that have become smaller.

I conclude that after the canvas' repaint the element invalidates
its old rectangle and fills it with the background behind it,
not realizing that I have painted on top of the whole surface.
I need to do a final repaint after the element has been rendered,
but when and where? Is there a "rendering complete" event for
an individual element like the GVT tree renderer event? I have
tried to invalidate the sub-canvas with the SVG document,
but that didn't help.



I would be very grateful for your comments!



Best,
Heidrun Beer



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