diff options
| author |  Brian Osman <brianosman@google.com> | 2017-03-14 11:27:13 -0400 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-03-14 15:57:03 +0000 |
| commit | 73e627074839bc00569117235eb4e7d4fc3cc39f (patch) | |
| tree | 344fcfeba2fc78066f59347adce4c0d55bc19c06 /include | |
| parent | dce25909ac0e84ee73640fd49dd3b82f66dd4ce1 (diff) | |
Expose SkColorSpaceTransferFn inversion function
Also adds tolerance to checks against zero
BUG=skia:
Change-Id: I2ad5737c6eef7e3ed52a685dceb347a434607336
Reviewed-on: https://skia-review.googlesource.com/9643
Commit-Queue: Brian Osman <brianosman@google.com>
Reviewed-by: Matt Sarett <msarett@google.com>
Diffstat (limited to 'include')
| -rw-r--r-- | include/core/SkColorSpace.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/core/SkColorSpace.h b/include/core/SkColorSpace.h index c945703549..ebc0ca1d91 100644 --- a/include/core/SkColorSpace.h +++ b/include/core/SkColorSpace.h @@ -48,6 +48,12 @@ struct SK_API SkColorSpaceTransferFn { float fD; float fE; float fF; + + /** + * Produces a new parametric transfer function equation that is the mathematical inverse of + * this one. + */ + SkColorSpaceTransferFn invert() const; }; class SK_API SkColorSpace : public SkRefCnt { |