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| 1 /* |
| 2 * Copyright 2015 Google Inc. |
| 3 * |
| 4 * Use of this source code is governed by a BSD-style license that can be |
| 5 * found in the LICENSE file. |
| 6 */ |
| 7 |
| 8 #ifndef SkNinePatchIter_DEFINED |
| 9 #define SkNinePatchIter_DEFINED |
| 10 |
| 11 #include "SkScalar.h" |
| 12 |
| 13 struct SkIRect; |
| 14 struct SkRect; |
| 15 |
| 16 /** |
| 17 * Disect a ninepatch request into an sequence of src-rect / dst-rect pairs |
| 18 */ |
| 19 class SkNinePatchIter { |
| 20 public: |
| 21 static bool Valid(int imageWidth, int imageHeight, const SkIRect& center); |
| 22 |
| 23 SkNinePatchIter(int imageWidth, int imageHeight, const SkIRect& center, cons
t SkRect& dst); |
| 24 |
| 25 /** |
| 26 * While it returns true, use src/dst to draw the image/bitmap |
| 27 */ |
| 28 bool next(SkRect* src, SkRect* dst); |
| 29 |
| 30 private: |
| 31 SkScalar fSrcX[4]; |
| 32 SkScalar fSrcY[4]; |
| 33 SkScalar fDstX[4]; |
| 34 SkScalar fDstY[4]; |
| 35 |
| 36 int fCurrX; |
| 37 int fCurrY; |
| 38 bool fDone; |
| 39 }; |
| 40 |
| 41 #endif |
| 42 |
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