Hi Eli,
On Tue, Nov 18, 2003 at 04:07:24PM -0800, eli curtz wrote:
> I'm working on a suite of simulation software which does a lot of drawing
> between BufferedImages and I have run into a memory issue with
> Graphics2D.drawImage(Image, AffineTransform, ImageObserver), where
> AffineTransform includes a rotation.
>
> According to J-Sprint 99%+ of my memory allocation is occuring when
> DrawImage.transformImage calls
> IntegerInterleavedRaster.createCompatibleWritableRaster(int, int). This is
> causing massive thrashing in the garbage collector and horrible stuttering
> in my graphics.
>
> Anybody have any advice on how to eliminate this? The source and destination
> images are identical format. I'm not even sure what it's doing - creating a
> temporary raster to draw the rotated image into?
That's exactly what it's doing.
What java release are you using?
We've improved our memory usage pattern somewhat in 1.4.1, I
believe, by using our own thread to dispose of Java2D-generated
garbage.
Thank you,
Dmitri
>
> thanks,
> eli curtz
>
> [EMAIL PROTECTED]
>
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