diff options
| author |  reed <reed@google.com> | 2014-09-30 07:24:46 -0700 |
|---|---|---|
| committer |  Commit bot <commit-bot@chromium.org> | 2014-09-30 07:24:47 -0700 |
| commit | e8db3ef2a2161084fa8eb1fd1d54c35bfff52d6c (patch) | |
| tree | 4a9e4f66dfe2628e4c0b3d941f2e20a623b957c9 /include | |
| parent | b06e5a2f558133b865cb0c3cc0b36e9bd2e594e2 (diff) | |
specialize setConcat for scale+translate, helps drawText perf
BUG=skia:
R=jvanverth@google.com
Author: reed@google.com
Review URL: https://codereview.chromium.org/620433002
Diffstat (limited to 'include')
| -rw-r--r-- | include/core/SkMatrix.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/core/SkMatrix.h b/include/core/SkMatrix.h index 9f44bed9c4..b3c7378ab2 100644 --- a/include/core/SkMatrix.h +++ b/include/core/SkMatrix.h @@ -646,6 +646,29 @@ private: SkScalar fMat[9]; mutable SkTRacy<uint32_t> fTypeMask; + void setScaleTranslate(SkScalar sx, SkScalar sy, SkScalar tx, SkScalar ty) { + fMat[kMScaleX] = sx; + fMat[kMSkewX] = 0; + fMat[kMTransX] = tx; + + fMat[kMSkewY] = 0; + fMat[kMScaleY] = sy; + fMat[kMTransY] = ty; + + fMat[kMPersp0] = 0; + fMat[kMPersp1] = 0; + fMat[kMPersp2] = 1; + + unsigned mask = 0; + if (sx != 1 || sy != 1) { + mask |= kScale_Mask; + } + if (tx || ty) { + mask |= kTranslate_Mask; + } + this->setTypeMask(mask | kRectStaysRect_Mask); + } + uint8_t computeTypeMask() const; uint8_t computePerspectiveTypeMask() const; |