[OpenJDK 2D-Dev] RFR: 8130737: AffineTransformOp can't handle child raster with non-zero x-offset

Jim Graham james.graham at oracle.com
Tue Dec 20 10:09:52 UTC 2016

+1 for the code changes, but I didn't review the test case...


On 12/19/16 8:48 PM, Philip Race wrote:
> Bug: https://bugs.openjdk.java.net/browse/JDK-8130737
> Webrev : http://cr.openjdk.java.net/~prr/8130737/
> If a child raster is created with a non-zero x-offset then subsequently
> in the code that validates the raster for  imaging operations we may
> incorrectly calculate that  the image exceeds the data buffer.
> This resolves that and a test has been provided that exercises
> each of the code paths with  the buggy logic.
> This also reorders the arguments to a macro to use width and height consistently,
> and use signed values instead of unsigned in the macros.
> -phil.

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