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

Philip Race philip.race at oracle.com
Tue Dec 20 04:48:38 UTC 2016

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 
and use signed values instead of unsigned in the macros.


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