[OpenJDK 2D-Dev] RFR: 8198390: Test MultiResolutionDrawImageWithTransformTest.java fails when -esa is passed

Sergey Bylokhov serb at openjdk.java.net
Mon Nov 30 03:45:55 UTC 2020

On Fri, 20 Nov 2020 00:10:48 GMT, Sergey Bylokhov <serb at openjdk.org> wrote:

> The method in which the assertion fails called from the different places, sometimes bounds are passed(dx/dy) and the transform only once here:
> https://github.com/openjdk/jdk/blob/master/src/java.desktop/share/classes/sun/java2d/SunGraphics2D.java#L3571
> For the case when the transform is passed we have an assertion that checks some assumptions about the(dx/dy):
>  - The dx1/dy1 should be equal to 0, which means both values are not changed by the method.
>  - The dx2/dy2 should be equal to the image size(MRI) -> are not changed by the method as well.
> The second assertion is wrong. The dx2/dy2 passed to the method contains the size of the initial image(MRI), and an assertion checks it against the size of the "resolution variant" which may have a different DPI/resolution/size.

Any volunteers for a review?


PR: https://git.openjdk.java.net/jdk/pull/1333

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