Created attachment 73126 [details] screenshot of the misrendered checkbox On my Sandy Bridge laptop with linux-3.6.11 and intel-2.20.17, the check in a JCheckBox is sometimes rendered incomplete. Steps required to reproduce the issue: 1. Compile the attached source file: javac CheckboxTest.java (or run the binary) 2. java CheckboxTest 3. The check is initially rendered correctly. When the mouse is slowly moved over the checkbox' text, some highlight-effect appears which causes the check to corrupt sometimes.
Created attachment 73127 [details] testcase binary
Created attachment 73128 [details] testcase source
Created attachment 73129 [details] screenshot of the misrendered checkbox
I just noticed the rendering issue is hard to spot ;) When misrendering occurs, the diagonal line of the check is not connected to the vertical line of the check.
Right, it is one I noticed awhile ago with the SwingDemo. If you move one of the windows behind the checkboxes, the tick appears clipped. Probably a CapLast vs clipping bug.
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