diff options
| author |  Cary Clark <caryclark@skia.org> | 2017-09-15 12:49:55 -0400 |
|---|---|---|
| committer |  Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-09-15 16:59:34 +0000 |
| commit | 03721621c8567185c6bd36a242028be9d1945cb4 (patch) | |
| tree | 056c4b2fce9ded4c7b2053a23b54aed686d42c4a /include/core/SkColorPriv.h | |
| parent | 03168b8a62a0d3d14b7a0d14642df4d82203b87c (diff) | |
fix flutter and pdfium
missed a couple of users
of SkColorPriv.h; restored
those functions
TBR=reed@google.com
NOTRY=true
Bug: skia: 6898
Change-Id: I64fc62905be0627c4ecdc39595bd0aaf1f60c5ac
Reviewed-on: https://skia-review.googlesource.com/47081
Commit-Queue: Cary Clark <caryclark@skia.org>
Reviewed-by: Cary Clark <caryclark@skia.org>
Diffstat (limited to 'include/core/SkColorPriv.h')
| -rw-r--r-- | include/core/SkColorPriv.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/include/core/SkColorPriv.h b/include/core/SkColorPriv.h index 8ec4541754..bc8d3004e7 100644 --- a/include/core/SkColorPriv.h +++ b/include/core/SkColorPriv.h @@ -21,6 +21,15 @@ static inline unsigned SkAlpha255To256(U8CPU alpha) { return alpha + 1; } +/** Multiplify value by 0..256, and shift the result down 8 + (i.e. return (value * alpha256) >> 8) + */ +#define SkAlphaMul(value, alpha256) (((value) * (alpha256)) >> 8) + +static inline U8CPU SkUnitScalarClampToByte(SkScalar x) { + return static_cast<U8CPU>(SkScalarPin(x, 0, 1) * 255 + 0.5); +} + #define SK_A32_BITS 8 #define SK_A32_MASK ((1 << SK_A32_BITS) - 1) |