Florin Malita
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fc75d5c52d
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[skottie] Brightness and Contrast effect
Add support for brightness/contrast, "legacy mode". This effect can
be represented as a color matrix.
Brightness transfer function: https://www.desmos.com/calculator/zne0oqwwzb
Contrast transfer function: https://www.desmos.com/calculator/x5rxzhowhs
Change-Id: I2e6bb0f5f809aa0f33362bf753d2fe447059eaaa
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/285577
Commit-Queue: Florin Malita <fmalita@chromium.org>
Reviewed-by: Mike Reed <reed@google.com>
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2020-04-28 14:33:12 +00:00 |
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