On Fri, 30 Oct 2026 08:09:41 GMT, Prasanta Sadhukhan <[email protected]> 
wrote:

>> [JDK-6328248](https://bugs.openjdk.org/browse/JDK-6328248) fixed PrintJob 
>> (1.1 Graphics API) based JProgressBar printing for most L&F however it seems 
>> to cause ClassCastException in AquaProgressBarUI.paint as non-Graphics2D 
>> path was not handled
>> `Caused by: java.lang.ClassCastException: class sun.print.ProxyPrintGraphics 
>> cannot be cast to class java.awt.Graphics2D (sun.print.ProxyPrintGraphics 
>> and java.awt.Graphics2D are in module java.desktop of loader 'bootstrap') `
>> 
>> FIx is made to render Aqua progress bar into BufferedImage, then drawImage 
>> for non-Graphics2D case where 1.1 PrintJob is used
>> 
>> 
>> 
>> 
>> ---------
>> - [x] I confirm that I make this contribution in accordance with the 
>> [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai).
>
> Prasanta Sadhukhan has updated the pull request incrementally with one 
> additional commit since the last revision:
> 
>   fix

test/jdk/java/awt/PrintJob/PrintProgressBarTest.java line 73:

> 71:     private static final String VERT_INSTRUCTIONS = """
> 72:         This test shows a frame with 2 vertical progressbars
> 73:         with LTR and RTL orientation respectively  and a "Print" button.

There is no difference.
In vertical mode, it always fills from the bottom.
So you need to do something different here or a tester will call this a fail.
I would have just added a 3rd progress bar to the test which is documented to 
be vertical and no mention of LTR / RTL in that case.

-------------

PR Review Comment: https://git.openjdk.org/jdk/pull/31749#discussion_r4426705474

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