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handleResize mixes the case of imgView == null (no previous image is known for taking previous bounds) and the case of forced resize (flag bForce is true).
As a result, there are cases in which a new Image is created without properly disposing the previous Image stored in imgView.
The offending allocation together with the required local fix code are shown below.
(alternatively, a more clean solution would need to clearly separate cases in this method)
protected void handleResize(boolean bForce) {
// ...
if (imgView == null || bForce) {
if (DEBUGPAINT) {
logPAINT("first resize (img null)");
}
// BEGIN FIX
if (imgView != null && !imgView.isDisposed()) {
imgView.dispose();
}
// END FIX
imgView = new Image(listCanvas.getDisplay(), clientArea);
lastBounds = new Rectangle(0, 0, 0, 0);
bNeedsRefresh = true;
} else {
// ...
// properly disposes of old imgView when a new one is created
}
// ...
}
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