JDK-8238275: Lanai: BasicStroke/DashOffset.java: Unexpected color at 2, 2: ff000000; expected: ff0000ff, ff00ff00

[Ajit Ghaisas]

Hi Nick,

   Thanks for your mail.
   Looks like mailing list removed attached images.

   I will take a look at your observation and fix the behavior.

Regards,
Ajit

> On 11-May-2020, at 7:35 PM, Gorbarov, Mykola <m.gorbarov at sap.com> wrote:
> 
> Dear Ajit Ghaisas,
> 
> The bug inside “java/awt/BasicStroke/DashOffset.java” test is related to drawing blue rectangle into VolatileImage.
> The BufferedImage drawing/validation works fine.
> 
> For VolatileImage (creating at line 95), the drawRect at 118 draws blue rectangle shifted (with -1, -1).
> As result, image validation throws exception:
> 
>   Metal support is present
> 
>   Exception in thread "main" java.lang.RuntimeException: Unexpected color at 3, 1: ff0000ff; expected: ffffffff
> 
>            at DashOffset.checkColor(DashOffset.java:222)
> 
>            at DashOffset.checkColor(DashOffset.java:209)
> 
>            at DashOffset.checkHorizontalLine(DashOffset.java:151)
> 
>            at DashOffset.validate(DashOffset.java:127)
> 
>            at DashOffset.main(DashOffset.java:105)
> 
>   Metal: Supported, feature set macOS GPUFamily2 v1
> 
> See attached volatileImage.png with error. The volatileImageCORRECT.png does not have an error(metal support is off).
> Note: sometimes the incorrect image looks like attached volatileImageMETAL.png
> 
> WBR, Nick
>