Yep. So many times the color conversion is done again since folks cannot
decide which one to use.

On Sun, Feb 2, 2020 at 9:20 AM Andrea Aime <andrea.a...@geo-solutions.it>
wrote:

> On Sat, Feb 1, 2020 at 9:40 PM Jody Garnett <jody.garn...@gmail.com>
> wrote:
>
>> Thanks for the updates.
>>
>> I have another in progress about RGBA color handling (Mapbox GL handles
>>> opacity with both the color spec and the opacity, the
>>> translator only uses the latter)... I have a work in progress that uses
>>> functions to move around the color in its full RGBA form,
>>> needs a bit more tests, but first wanted to check if the road is
>>> acceptable, or if we should extract the alpha from the color
>>> and multiply it with the explicit opacity in the fill-opacity,
>>> stroke-opacity settings instead (seems harder and more convoluted to me...).
>>>
>>
>> I wrestled with this back when outlining the initial project.
>>
>> I would rather the internals of mbstyle module be "harder and more
>> convoluted") then to force complexity on the render and the other formation
>> encoders/parsers.
>>
>> That said the render appears to already support RGBA colors, so I expect
>> we have an rgba + opacity to consider everywhere
>> - ColorConverterFactory.java
>> <https://github.com/geotools/geotools/blob/0e49d4257a7edb54053ccaa85d7f8aec5f0dc144/modules/library/main/src/main/java/org/geotools/data/util/ColorConverterFactory.java#L78>
>> - IntegerRgbAccessor.java
>> <https://github.com/geotools/geotools/blob/master/modules/library/render/src/main/java/org/geotools/renderer/composite/IntegerRgbAccessor.java>
>>
>>
>
> Yes Java2D itself does it for us, since we pass a Color, whatever it is,
> might be including alpha, and then a composite, so they are orthogonal.
> Your comment is not very clear in terms of direction, but I'm guessing
> you're good with the current approach, once those classes handle
> alpha properly? The IntegerRgbAccessor already does, the section you
> pointed in the ColorConverterFactory also does so... confused again :-D
>
> Cheers
> Andrea
>
>
>
> --
>
> Regards, Andrea Aime == GeoServer Professional Services from the experts!
> Visit http://goo.gl/it488V for more information. == Ing. Andrea Aime
> @geowolf Technical Lead GeoSolutions S.A.S. Via di Montramito 3/A 55054
> Massarosa
> <https://www.google.com/maps/search/Via+di+Montramito+3%2FA%0D%0A55054++Massarosa?entry=gmail&source=g>
> (LU) phone: +39 0584 962313 fax: +39 0584 1660272 mob: +39 339 8844549
> http://www.geo-solutions.it http://twitter.com/geosolutions_it
> ------------------------------------------------------- *Con riferimento
> alla normativa sul trattamento dei dati personali (Reg. UE 2016/679 -
> Regolamento generale sulla protezione dei dati “GDPR”), si precisa che ogni
> circostanza inerente alla presente email (il suo contenuto, gli eventuali
> allegati, etc.) è un dato la cui conoscenza è riservata al/i solo/i
> destinatario/i indicati dallo scrivente. Se il messaggio Le è giunto per
> errore, è tenuta/o a cancellarlo, ogni altra operazione è illecita. Le
> sarei comunque grato se potesse darmene notizia. This email is intended
> only for the person or entity to which it is addressed and may contain
> information that is privileged, confidential or otherwise protected from
> disclosure. We remind that - as provided by European Regulation 2016/679
> “GDPR” - copying, dissemination or use of this e-mail or the information
> herein by anyone other than the intended recipient is prohibited. If you
> have received this email by mistake, please notify us immediately by
> telephone or e-mail.*
>
-- 
--
Jody Garnett
_______________________________________________
GeoTools-Devel mailing list
GeoTools-Devel@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/geotools-devel

Reply via email to