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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 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 SkTileGrid_DEFINED | 8 #ifndef SkTileGrid_DEFINED |
9 #define SkTileGrid_DEFINED | 9 #define SkTileGrid_DEFINED |
10 | 10 |
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23 virtual ~SkTileGrid(); | 23 virtual ~SkTileGrid(); |
24 | 24 |
25 /** | 25 /** |
26 * Insert a opIndex value and corresponding bounding box | 26 * Insert a opIndex value and corresponding bounding box |
27 * @param opIndex | 27 * @param opIndex |
28 * @param bounds The bounding box, should not be empty. | 28 * @param bounds The bounding box, should not be empty. |
29 * @param defer Ignored; SkTileGrid does not defer insertions. | 29 * @param defer Ignored; SkTileGrid does not defer insertions. |
30 */ | 30 */ |
31 virtual void insert(unsigned opIndex, const SkRect& bounds, bool) SK_OVERRID
E; | 31 virtual void insert(unsigned opIndex, const SkRect& bounds, bool) SK_OVERRID
E; |
32 | 32 |
33 virtual void flushDeferredInserts() SK_OVERRIDE {}; | |
34 | |
35 /** | 33 /** |
36 * Populate 'results' with opIndexes corresponding to bounding boxes that in
tersect 'query'. | 34 * Populate 'results' with opIndexes corresponding to bounding boxes that in
tersect 'query'. |
37 * This will be fastest if the query is an exact match to a single grid tile
. | 35 * This will be fastest if the query is an exact match to a single grid tile
. |
38 */ | 36 */ |
39 virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const
SK_OVERRIDE; | 37 virtual void search(const SkRect& query, SkTDArray<unsigned>* results) const
SK_OVERRIDE; |
40 | 38 |
41 // For testing. | 39 // For testing. |
42 int tileCount(int x, int y) { return fTiles[y * fXTiles + x].count(); } | 40 int tileCount(int x, int y) { return fTiles[y * fXTiles + x].count(); } |
43 | 41 |
44 private: | 42 private: |
45 void commonAdjust(SkRect*) const; | 43 void commonAdjust(SkRect*) const; |
46 void userToGrid(const SkRect&, SkIRect* grid) const; | 44 void userToGrid(const SkRect&, SkIRect* grid) const; |
47 | 45 |
48 const int fXTiles, fYTiles; | 46 const int fXTiles, fYTiles; |
49 const SkScalar fInvWidth, fInvHeight; | 47 const SkScalar fInvWidth, fInvHeight; |
50 const SkScalar fMarginWidth, fMarginHeight; | 48 const SkScalar fMarginWidth, fMarginHeight; |
51 const SkPoint fOffset; | 49 const SkPoint fOffset; |
52 const SkRect fGridBounds; | 50 const SkRect fGridBounds; |
53 | 51 |
54 // (fXTiles * fYTiles) SkTDArrays, each listing ops overlapping that tile in
order. | 52 // (fXTiles * fYTiles) SkTDArrays, each listing ops overlapping that tile in
order. |
55 SkTDArray<unsigned>* fTiles; | 53 SkTDArray<unsigned>* fTiles; |
56 | 54 |
57 typedef SkBBoxHierarchy INHERITED; | 55 typedef SkBBoxHierarchy INHERITED; |
58 }; | 56 }; |
59 | 57 |
60 #endif | 58 #endif |
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