<Swing Dev> RFR 8248187: javax/swing/plaf/basic/BasicGraphicsUtils/8132119/bug8132119.java fails with String is not properly drawn

[Prasanta Sadhukhan]

It is intentional as this is a headless test so nothing is being shown 
but to get a feel of why it fails when it fails, I have added the 
bufferedimage save.

Regards
Prasanta
On 25-Jun-20 11:39 AM, Pankaj Bansal wrote:
> Hello Prasanta,
>
> I see that you have saved the image before throwing a exception. Is 
> this intentional or you were using it for debugging and forgot to 
> remove it?
>
> Regards,
>
> Pankaj
>
>
> On 24/06/20 8:29 PM, Prasanta Sadhukhan wrote:
>>
>> Hi All,
>>
>> Please review a test only fix for an issue seen in ubuntu linux 20.04.
>>
>> The test draws "AOB" with and without underline underneath and then
>> looks to try to calculate the midpoint of "O" and then expects to see
>> the transition
>> from top to bottom of bg->fg->bg->fg->bg as you get when you cross the
>> path of the O twice. When there is underline, it expects 6 transition
>> from top of O till it passes the underline in form of
>> bg->fg->bg->fg->bg->fg->bg and when there is no underline, it expects 
>> 4 transitions.
>>
>> However, it is seen that the string width of AOB is calculated to be 
>> 59 whereas the Bufferedimage width is hardcoded to 50 resulting in 
>> -ve x (which is calculated as 50-59/2)
>> Proposed fix is to always draw at x=0 coordinate instead of using the 
>> calculated x. Also, the x corodinate passed to check function is 
>> modified a liitle depending on whether we are testing underline or not.
>>
>> Proposed fix pass in all platforms and the mach5 job link is present 
>> in JBS.
>>
>> Bug:https://bugs.openjdk.java.net/browse/JDK-8248187
>> webrev:http://cr.openjdk.java.net/~psadhukhan/8248187/webrev.0/
>>
>> Regards
>> Prasanta
>>
>>
>