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>
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