Index: include/core/SkPatch.h |
diff --git a/include/core/SkPatch.h b/include/core/SkPatch.h |
index 3e06c3fc91f9ce5bf5df56d2da680f8cefc36068..79606d89bee5a4ad8edde162fc3ae76d59878104 100644 |
--- a/include/core/SkPatch.h |
+++ b/include/core/SkPatch.h |
@@ -77,6 +77,12 @@ public: |
kBottomLeft_CornerColors |
}; |
+ enum { |
+ kNumCtrlPts = 12, |
+ kNumColors = 4, |
+ kNumPtsCubic = 4 |
+ }; |
+ |
/** |
* Points are in the following order: |
* (top curve) |
@@ -86,7 +92,8 @@ public: |
* 9 8 7 6 |
* (bottom curve) |
*/ |
- SkPatch(SkPoint points[12], SkColor colors[4]); |
+ SkPatch() { } |
+ SkPatch(const SkPoint points[kNumCtrlPts], const SkColor colors[kNumColors]); |
/** |
* Function that evaluates the coons patch interpolation. |
@@ -95,35 +102,35 @@ public: |
*/ |
bool getVertexData(SkPatch::VertexData* data, int lodX, int lodY) const; |
- void getTopPoints(SkPoint points[4]) const { |
+ void getTopPoints(SkPoint points[kNumPtsCubic]) const { |
points[0] = fCtrlPoints[kTopP0_CubicCtrlPts]; |
points[1] = fCtrlPoints[kTopP1_CubicCtrlPts]; |
points[2] = fCtrlPoints[kTopP2_CubicCtrlPts]; |
points[3] = fCtrlPoints[kTopP3_CubicCtrlPts]; |
} |
- void getBottomPoints(SkPoint points[4]) const { |
+ void getBottomPoints(SkPoint points[kNumPtsCubic]) const { |
points[0] = fCtrlPoints[kBottomP0_CubicCtrlPts]; |
points[1] = fCtrlPoints[kBottomP1_CubicCtrlPts]; |
points[2] = fCtrlPoints[kBottomP2_CubicCtrlPts]; |
points[3] = fCtrlPoints[kBottomP3_CubicCtrlPts]; |
} |
- void getLeftPoints(SkPoint points[4]) const { |
+ void getLeftPoints(SkPoint points[kNumPtsCubic]) const { |
points[0] = fCtrlPoints[kLeftP0_CubicCtrlPts]; |
points[1] = fCtrlPoints[kLeftP1_CubicCtrlPts]; |
points[2] = fCtrlPoints[kLeftP2_CubicCtrlPts]; |
points[3] = fCtrlPoints[kLeftP3_CubicCtrlPts]; |
} |
- void getRightPoints(SkPoint points[4]) const { |
+ void getRightPoints(SkPoint points[kNumPtsCubic]) const { |
points[0] = fCtrlPoints[kRightP0_CubicCtrlPts]; |
points[1] = fCtrlPoints[kRightP1_CubicCtrlPts]; |
points[2] = fCtrlPoints[kRightP2_CubicCtrlPts]; |
points[3] = fCtrlPoints[kRightP3_CubicCtrlPts]; |
} |
robertphillips
2014/08/05 12:44:45
Not sure about this use of kNumPtsCubic. This coul
dandov
2014/08/05 14:27:11
Done.
|
- void getCornerPoints(SkPoint points[4]) const { |
+ void getCornerPoints(SkPoint points[kNumPtsCubic]) const { |
points[0] = fCtrlPoints[kTopP0_CubicCtrlPts]; |
points[1] = fCtrlPoints[kTopP3_CubicCtrlPts]; |
points[2] = fCtrlPoints[kBottomP3_CubicCtrlPts]; |
@@ -138,9 +145,39 @@ public: |
return fCornerColors; |
} |
+ void setPoints(const SkPoint points[kNumCtrlPts]) { |
+ memcpy(fCtrlPoints, points, kNumCtrlPts * sizeof(SkPoint)); |
+ |
+ } |
+ |
+ void setColors(const SkColor colors[kNumColors]) { |
+ memcpy(fCornerColors, colors, kNumColors * sizeof(SkColor)); |
+ } |
+ |
+ void reset(const SkPoint points[kNumCtrlPts], const SkColor colors[kNumColors]) { |
+ this->setPoints(points); |
+ this->setColors(colors); |
+ } |
+ |
+ /** |
+ * Write the patch to the buffer, and return the number of bytes written. |
+ * If buffer is NULL, it still returns the number of bytes. |
+ */ |
+ size_t writeToMemory(void* buffer) const; |
+ |
+ /** |
+ * Initializes the patch from the buffer |
+ * |
+ * buffer Memory to read from |
+ * length Amount of memory available in the buffer |
robertphillips
2014/08/05 12:44:45
Add a "Returns" before "number" ?
dandov
2014/08/05 14:27:11
Done.
|
+ * number of bytes read (must be a multiple of 4) or |
+ * 0 if there was not enough memory available |
+ */ |
+ size_t readFromMemory(const void* buffer, size_t length); |
+ |
private: |
- SkPoint fCtrlPoints[12]; |
- SkColor fCornerColors[4]; |
+ SkPoint fCtrlPoints[kNumCtrlPts]; |
+ SkColor fCornerColors[kNumColors]; |
}; |
#endif |