diff options
Diffstat (limited to 'src/effects')
| -rw-r--r-- | src/effects/SkGradientShader.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/src/effects/SkGradientShader.cpp b/src/effects/SkGradientShader.cpp index 87d70c23b0..e1a92ba3bf 100644 --- a/src/effects/SkGradientShader.cpp +++ b/src/effects/SkGradientShader.cpp @@ -620,6 +620,7 @@ public: } } + virtual bool setContext(const SkBitmap&, const SkPaint&, const SkMatrix&); virtual void shadeSpan(int x, int y, SkPMColor dstC[], int count); virtual void shadeSpan16(int x, int y, uint16_t dstC[], int count); virtual bool asABitmap(SkBitmap*, SkMatrix*, TileMode*); @@ -646,6 +647,19 @@ private: typedef Gradient_Shader INHERITED; }; +bool Linear_Gradient::setContext(const SkBitmap& device, const SkPaint& paint, + const SkMatrix& matrix) { + if (!this->INHERITED::setContext(device, paint, matrix)) { + return false; + } + + unsigned mask = SkMatrix::kTranslate_Mask | SkMatrix::kScale_Mask; + if ((fDstToIndex.getType() & ~mask) == 0) { + fFlags |= SkShader::kConstInY_Flag; + } + return true; +} + // Return true if fx, fx+dx, fx+2*dx, ... is always in range static inline bool no_need_for_clamp(int fx, int dx, int count) { |