Index: include/core/SkPatch.h |
diff --git a/include/core/SkPatch.h b/include/core/SkPatch.h |
index 3e06c3fc91f9ce5bf5df56d2da680f8cefc36068..698b1cbf306e14dcddb0ce48aad2e886c63f3077 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[12], const SkColor colors[4]); |
/** |
* Function that evaluates the coons patch interpolation. |
@@ -138,9 +145,38 @@ public: |
return fCornerColors; |
} |
+ void setPoints(const SkPoint points[12]) { |
+ memcpy(fCtrlPoints, points, kNumCtrlPts * sizeof(SkPoint)); |
+ } |
+ |
+ void setColors(const SkColor colors[4]) { |
+ memcpy(fCornerColors, colors, kNumColors * sizeof(SkColor)); |
+ } |
+ |
+ void reset(const SkPoint points[12], const SkColor colors[4]) { |
+ 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 |
+ * returns the 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 |