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skia2/resources/skottie/skottie-fractalnoise-sphere.json
Florin Malita d863ae52d4 [skottie] Fractal noise 'fractal type' support 
In addition to various filter modes, ADBE Fractal Noise also supports
a "fractal type" option which controls a post-filter function.

This CL implements support for 4 types:

  - basic:            f(N) = N
  - turbulent basic:  f(N) = abs(N - 0.5)*2
  - turbulent smooth: f(N) = (abs(N - 0.5)*2)^2
  - turbulent sharp:  f(N) = sqrt(abs(N - 0.5)*2)

Change-Id: I4067a414272cbe1c20e1e46d8a46e3bc51d93af0
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/377841
Reviewed-by: Brian Osman <brianosman@google.com>
Commit-Queue: Florin Malita <fmalita@google.com>
2021-03-02 15:50:32 +00:00

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