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scales::alpha() performance and color format ("character" or "native") #370

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scales::alpha() performance and color format ("character" or "native") #370

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@zeehio zeehio commented Nov 6, 2022

This pull request is on top of:

It uses the improvements on farver to make scales::alpha() much faster, avoiding the intermediate step of the numeric matrix.

Besides, it adds an additional parameter color_fmt to choose between a "character" output format or the "native" output format, used in nativeRaster objects.

Proposed NEWS entry (not added to avoid trivial conflicts):

  * `alpha()` performance improvements. Added support for `native` color format (#, @zeehio)

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@zeehio zeehio mentioned this pull request Nov 6, 2022
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