SunGraphics2D instead of Graphics2D

[Mario Torre]

Il giorno 19/nov/2011, alle ore 00:17, Mario Torre ha scritto:
> Hello all,
> 
> While developing our Swing/JavaFX integration [1] I've found that with the aqua look and feel it doesn't paint correctly, unless I set the awt.nativeDoubleBuffering to false.
> 
> The reason for this is that internally, Graphics2D objects are casted to SunGraphics2D, probably this is a left over for some specific optimizations in the Apple JDK, but from the current OpenJDK code I can't see any reason for that cast to exist.
> 
> The problem surfaces because we use a special component to proxy heavyweight behavior to the Java FX view and to provide graphics and all the usual goodies that the swing hierarchy wants.
> 
> In particular, the graphics object for the heavyweight component is a proxy graphics that wraps a BufferedImage.
> 
> Since those cast gets in the way only when native double buffering is enabled on the Mac, I can workaround for older JDK releases, but I would really like to see if this fix can be pushed in for OpenJDK 7.
> 
> The webrev for the patch is here:
> 
> http://cr.openjdk.java.net/~neugens/use_graphics2d/webrev.01/
> 
> Any comments?
> 
> Cheers,
> Mario
> 
> [1]  Some links:
>       http://jroller.com/neugens/entry/jfreechartfx
>       http://jroller.com/neugens/entry/oh_no_i_lost_focus
>       http://thingsfx.com/


Hello all,

Any comments on this one?

Mario
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