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6653511: JComponent.safelyGetGraphics() may sometimes return null

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Reviewed-by: rupashka
This commit is contained in:
Alexander Potochkin 2011-03-03 18:23:19 +03:00
parent 516f0be2ce
commit f0eab628fd
1 changed files with 21 additions and 22 deletions
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43
jdk/src/share/classes/javax/swing/JComponent.java
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@ -5158,31 +5158,30 @@ public abstract class JComponent extends Container implements Serializable,
}
}
}
try {
g = safelyGetGraphics(paintingComponent, c);
try {
if (hasBuffer) {
RepaintManager rm = RepaintManager.currentManager(
bufferedComponent);
rm.beginPaint();
try {
rm.paint(paintingComponent, bufferedComponent, g,
paintImmediatelyClip.x,
paintImmediatelyClip.y,
paintImmediatelyClip.width,
paintImmediatelyClip.height);
} finally {
rm.endPaint();
if ((g = safelyGetGraphics(paintingComponent, c)) != null) {
try {
if (hasBuffer) {
RepaintManager rm = RepaintManager.currentManager(
bufferedComponent);
rm.beginPaint();
try {
rm.paint(paintingComponent, bufferedComponent, g,
paintImmediatelyClip.x,
paintImmediatelyClip.y,
paintImmediatelyClip.width,
paintImmediatelyClip.height);
} finally {
rm.endPaint();
}
} else {
g.setClip(paintImmediatelyClip.x, paintImmediatelyClip.y,
paintImmediatelyClip.width, paintImmediatelyClip.height);
paintingComponent.paint(g);
}
} finally {
g.dispose();
}
else {
g.setClip(paintImmediatelyClip.x,paintImmediatelyClip.y,
paintImmediatelyClip.width,paintImmediatelyClip.height);
paintingComponent.paint(g);
}
} finally {
g.dispose();
}
}
finally {