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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef SkLatticeIter_DEFINED | 8 #ifndef SkLatticeIter_DEFINED |
9 #define SkLatticeIter_DEFINED | 9 #define SkLatticeIter_DEFINED |
10 | 10 |
11 #include "SkCanvas.h" | 11 #include "SkCanvas.h" |
12 #include "SkScalar.h" | 12 #include "SkScalar.h" |
13 #include "SkTArray.h" | 13 #include "SkTArray.h" |
14 | 14 |
15 struct SkIRect; | 15 struct SkIRect; |
16 struct SkRect; | 16 struct SkRect; |
17 | 17 |
18 /** | 18 /** |
19 * Disect a lattice request into an sequence of src-rect / dst-rect pairs | 19 * Disect a lattice request into an sequence of src-rect / dst-rect pairs |
20 */ | 20 */ |
21 class SkLatticeIter { | 21 class SkLatticeIter { |
22 public: | 22 public: |
23 | 23 |
24 static bool Valid(int imageWidth, int imageHeight, const SkCanvas::Lattice&
lattice); | 24 static bool Valid(int imageWidth, int imageHeight, const SkCanvas::Lattice&
lattice); |
25 | 25 |
26 SkLatticeIter(int imageWidth, int imageHeight, const SkCanvas::Lattice& latt
ice, | 26 SkLatticeIter(const SkCanvas::Lattice& lattice, const SkRect& dst); |
27 const SkRect& dst); | |
28 | 27 |
29 static bool Valid(int imageWidth, int imageHeight, const SkIRect& center); | 28 static bool Valid(int imageWidth, int imageHeight, const SkIRect& center); |
30 | 29 |
31 SkLatticeIter(int imageWidth, int imageHeight, const SkIRect& center, const
SkRect& dst); | 30 SkLatticeIter(int imageWidth, int imageHeight, const SkIRect& center, const
SkRect& dst); |
32 | 31 |
33 /** | 32 /** |
34 * While it returns true, use src/dst to draw the image/bitmap | 33 * While it returns true, use src/dst to draw the image/bitmap |
35 */ | 34 */ |
36 bool next(SkRect* src, SkRect* dst); | 35 bool next(SkRect* src, SkRect* dst); |
37 | 36 |
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54 SkTArray<SkScalar> fDstY; | 53 SkTArray<SkScalar> fDstY; |
55 SkTArray<SkCanvas::Lattice::Flags> fFlags; | 54 SkTArray<SkCanvas::Lattice::Flags> fFlags; |
56 | 55 |
57 int fCurrX; | 56 int fCurrX; |
58 int fCurrY; | 57 int fCurrY; |
59 int fNumRectsInLattice; | 58 int fNumRectsInLattice; |
60 int fNumRectsToDraw; | 59 int fNumRectsToDraw; |
61 }; | 60 }; |
62 | 61 |
63 #endif | 62 #endif |
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