tree 1fc3d8a62d8835393ac51b9b08f467b74858e475
parent 30c9eda01bc54d5d1011b9f0c73242e67df0e9e9
author Florin Malita <fmalita@chromium.org> 1550792959 -0500
committer Skia Commit-Bot <skia-commit-bot@chromium.org> 1550869225 +0000

[skottie] Add tritone layer effect support

Generalize sksg::TintColorFilter into GradientColorfilter, to support
multiple color interpolation ranges.

Keep the two-color/single-matrix (tint) specialization, and use a table
color filter for the general case.

Change-Id: Idf42833462127c29fb69fe94337a1d1478b77dd9
Reviewed-on: https://skia-review.googlesource.com/c/194024
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Florin Malita <fmalita@chromium.org>