Hi Archie,
> We have been using Batik for a while and it's been working > beautifully.
Glad to hear it.
> The other day however we saw a strange new problem. It hasn't > happened again but I'm wondering if anyone else has seen this kind > of thing before.
> A couple of rooms (call them X and Y) that were supposed to be grey > were 1/2 the right color (top half) but the bottom half was painted > with a "snapshot" of another room (call it Z)
Were you using JDK 1.5? I've very occasionally seen redraw glitches with 1.5. I haven't looked at them in any depth as they haven't been anywhere near reproducible, and it was in beta at the time.
> P.S. Should I file a bug even though I don't have a test case (yet)?
Feel free to, it can be a good place to collect information if nothing else.
Archie Cobbs wrote:
Hi all,
We have been using Batik for a while and it's been working beautifully.
The other day however we saw a strange new problem. It hasn't happened again but I'm wondering if anyone else has seen this kind of thing before.
Basically we have a floor plan and we dynamically (via Java) fill in the room areas with various colors, by setting the "fill" attribute on the room's <polygon> to e.g. "url(#roomColor.Green)", where in the <defs> section we've defined the various colors, e.g.:
<linearGradient id="roomColor.Green"> <stop offset="0%" stop-color="#33ff33"/> </linearGradient>
What we saw the other day was these two anomalies on the screen:
1. A couple of rooms (call them X and Y) that were supposed to be grey were 1/2 the right color (top half) but the bottom half was painted with a "snapshot" of another room (call it Z). That is, in the bottom half of X and Y you could see Z's room number along with it's green coloring: a snapshot of Z rendered within the boundaries of X and Y.
It's as if the rendering engine forgot to reset it's buffer after painting Z before painting X and Y, or something like that.
2. Next to, but outside of, room Z was a little rectangle of green pixels that were completely out of place (nothing should have been drawn there).
This happened on two different machines that happened to be displaying the same map, so it doesn't seem to be a "random glitch".
I am pretty certain that we are performing all updates within the update manager thread.
Thanks for any insights,
-Archie
P.S. Should I file a bug even though I don't have a test case (yet)?
Feel
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