[OpenJDK 2D-Dev] Fwd: JDK bug 8078516

Philip Race philip.race at oracle.com
Mon Aug 1 15:03:20 UTC 2016


Transparency of the surface has always disabled LCD sub-pixel in Java 2D.
Same happens on windows. The labels at the bottom
are drawn in greyscale.

-phil.

On 8/1/16, 7:55 AM, Torgeir Veimo wrote:
> Ok, am asking since subpixel rendering works and is usable in most 
> situations, except for the odd corner case when drawing over existing 
> content in transparent surfaces.
>
> See eg. this screenshot of netbeans, with nice subpixel rendered text 
> in the editor, while the labels on the buttons at the bottom have 
> artifacts since they for some reason are drawn twice.
>
> Inline images 1
>
> On 2 August 2016 at 00:49, Kevin Rushforth <kevin.rushforth at oracle.com 
> <mailto:kevin.rushforth at oracle.com>> wrote:
>
>     Phil will be able to comment on this further. All I can confirm is
>     that 8078526 is closed as a duplicate of 8087201, so it is no
>     longer an open bug.
>
>     -- Kevin
>
>
>     Torgeir Veimo wrote:
>>     I'm fairly sure it's the correct bug id, although I don't have
>>     access to view it myself.
>>
>>     Bug 8078526 is about supporting (without artifacts) subpixel
>>     rendering to transparent surfaces.
>>
>>     Bug 8087201 is about speeding up subpixel rendering.
>>
>>     On 2 August 2016 at 00:39, Kevin Rushforth
>>     <kevin.rushforth at oracle.com <mailto:kevin.rushforth at oracle.com>>
>>     wrote:
>>
>>         Are you sure you have the right Bug ID? That bug (which is
>>         not publicly visible), is closed as a duplicate of 8087201,
>>         which was fixed in JDK 9 and 8u66 over a year ago.
>>
>>         -- Kevin
>>
>>
>>
>>         Torgeir Veimo wrote:
>>
>>             Is there any more work done on JDK bug 8078516?
>>             -- 
>>             -Tor
>>
>>
>>
>>     -- 
>>     -Tor
>
>
>
>
> -- 
> -Tor
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