sdedic commented on a change in pull request #3414:
URL: https://github.com/apache/netbeans/pull/3414#discussion_r780815461
##########
File path: platform/openide.util.ui/src/org/openide/util/ImageUtilities.java
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@@ -118,17 +125,26 @@
* {@code Image}. See comment in {@link #icon2ToolTipImage(Icon, URL)}.
*/
private static volatile Component dummyIconComponent;
+
+ /**
+ * Second dummy component. Some {@link Icon#paintIcon(java.awt.Component,
java.awt.Graphics, int, int)} are very picky and downcast the
+ * Component to a specific subclass. JCheckBox will satisfy checkboxes,
abstract buttons etc. Will not eliminate all cases, but helps.
+ *
+ */
+ private static volatile Component dummyIconComponent2;
static {
/* Could have used Mutex.EVENT.writeAccess here, but it doesn't seem
to be available during
testing. */
if (EventQueue.isDispatchThread()) {
dummyIconComponent = new JLabel();
+ dummyIconComponent2 = new JButton();
Review comment:
Fixed in 30d43a7
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