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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 SkBBHFactory_DEFINED | 8 #ifndef SkBBHFactory_DEFINED |
9 #define SkBBHFactory_DEFINED | 9 #define SkBBHFactory_DEFINED |
10 | 10 |
11 #include "SkSize.h" | 11 #include "SkSize.h" |
12 #include "SkRect.h" | 12 #include "SkPoint.h" |
13 | 13 |
14 class SkBBoxHierarchy; | 14 class SkBBoxHierarchy; |
15 | 15 |
16 class SK_API SkBBHFactory { | 16 class SK_API SkBBHFactory { |
17 public: | 17 public: |
18 /** | 18 /** |
19 * Allocate a new SkBBoxHierarchy. Return NULL on failure. | 19 * Allocate a new SkBBoxHierarchy. Return NULL on failure. |
20 */ | 20 */ |
21 virtual SkBBoxHierarchy* operator()(const SkRect& bounds) const = 0; | 21 virtual SkBBoxHierarchy* operator()(int width, int height) const = 0; |
22 virtual ~SkBBHFactory() {}; | 22 virtual ~SkBBHFactory() {}; |
23 }; | 23 }; |
24 | 24 |
25 class SK_API SkRTreeFactory : public SkBBHFactory { | 25 class SK_API SkRTreeFactory : public SkBBHFactory { |
26 public: | 26 public: |
27 virtual SkBBoxHierarchy* operator()(const SkRect& bounds) const SK_OVERRIDE; | 27 virtual SkBBoxHierarchy* operator()(int width, int height) const SK_OVERRIDE
; |
28 private: | 28 private: |
29 typedef SkBBHFactory INHERITED; | 29 typedef SkBBHFactory INHERITED; |
30 }; | 30 }; |
31 | 31 |
32 class SK_API SkTileGridFactory : public SkBBHFactory { | 32 class SK_API SkTileGridFactory : public SkBBHFactory { |
33 public: | 33 public: |
34 struct TileGridInfo { | 34 struct TileGridInfo { |
35 /** Tile placement interval */ | 35 /** Tile placement interval */ |
36 SkISize fTileInterval; | 36 SkISize fTileInterval; |
37 | 37 |
38 /** Pixel coverage overlap between adjacent tiles */ | 38 /** Pixel coverage overlap between adjacent tiles */ |
39 SkISize fMargin; | 39 SkISize fMargin; |
40 | 40 |
41 /** Offset added to device-space bounding box positions to convert | 41 /** Offset added to device-space bounding box positions to convert |
42 * them to tile-grid space. This can be used to adjust the "phase" | 42 * them to tile-grid space. This can be used to adjust the "phase" |
43 * of the tile grid to match probable query rectangles that will be | 43 * of the tile grid to match probable query rectangles that will be |
44 * used to search into the tile grid. As long as the offset is smaller | 44 * used to search into the tile grid. As long as the offset is smaller |
45 * or equal to the margin, there is no need to extend the domain of | 45 * or equal to the margin, there is no need to extend the domain of |
46 * the tile grid to prevent data loss. | 46 * the tile grid to prevent data loss. |
47 */ | 47 */ |
48 SkIPoint fOffset; | 48 SkIPoint fOffset; |
49 }; | 49 }; |
50 | 50 |
51 SkTileGridFactory(const TileGridInfo& info) : fInfo(info) { } | 51 SkTileGridFactory(const TileGridInfo& info) : fInfo(info) { } |
52 | 52 |
53 virtual SkBBoxHierarchy* operator()(const SkRect& bounds) const SK_OVERRIDE; | 53 virtual SkBBoxHierarchy* operator()(int width, int height) const SK_OVERRIDE
; |
54 | 54 |
55 private: | 55 private: |
56 TileGridInfo fInfo; | 56 TileGridInfo fInfo; |
57 | 57 |
58 typedef SkBBHFactory INHERITED; | 58 typedef SkBBHFactory INHERITED; |
59 }; | 59 }; |
60 | 60 |
61 #endif | 61 #endif |
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