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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2012 Google Inc. | 3 * Copyright 2012 Google Inc. |
4 * | 4 * |
5 * Use of this source code is governed by a BSD-style license that can be | 5 * Use of this source code is governed by a BSD-style license that can be |
6 * found in the LICENSE file. | 6 * found in the LICENSE file. |
7 */ | 7 */ |
8 | 8 |
9 #ifndef SkBBoxRecord_DEFINED | 9 #ifndef SkBBoxRecord_DEFINED |
10 #define SkBBoxRecord_DEFINED | 10 #define SkBBoxRecord_DEFINED |
11 | 11 |
12 #include "SkPictureRecord.h" | 12 #include "SkPictureRecord.h" |
13 | 13 |
14 /** | 14 /** |
15 * This is an abstract SkPictureRecord subclass that intercepts draw calls and
computes an | 15 * This is an abstract SkPictureRecord subclass that intercepts draw calls and
computes an |
16 * axis-aligned bounding box for each draw that it sees, subclasses implement h
andleBBox() | 16 * axis-aligned bounding box for each draw that it sees, subclasses implement h
andleBBox() |
17 * which will be called every time we get a new bounding box. | 17 * which will be called every time we get a new bounding box. |
18 */ | 18 */ |
19 class SkBBoxRecord : public SkPictureRecord { | 19 class SkBBoxRecord : public SkPictureRecord { |
20 public: | 20 public: |
21 | 21 |
22 SkBBoxRecord(const SkISize& size, uint32_t recordFlags) : INHERITED(size, re
cordFlags) {} | 22 SkBBoxRecord(SkPicture* picture, const SkISize& size, uint32_t recordFlags) |
| 23 : INHERITED(picture, size, recordFlags) { |
| 24 } |
23 virtual ~SkBBoxRecord() { } | 25 virtual ~SkBBoxRecord() { } |
24 | 26 |
25 /** | 27 /** |
26 * This is called each time we get a bounding box, it will be axis-aligned, | 28 * This is called each time we get a bounding box, it will be axis-aligned, |
27 * in device coordinates, and expanded to include stroking, shadows, etc. | 29 * in device coordinates, and expanded to include stroking, shadows, etc. |
28 */ | 30 */ |
29 virtual void handleBBox(const SkRect& bbox) = 0; | 31 virtual void handleBBox(const SkRect& bbox) = 0; |
30 | 32 |
31 virtual void drawOval(const SkRect& rect, const SkPaint& paint) SK_OVERRIDE; | 33 virtual void drawOval(const SkRect& rect, const SkPaint& paint) SK_OVERRIDE; |
32 virtual void drawRRect(const SkRRect& rrect, const SkPaint& paint) SK_OVERRI
DE; | 34 virtual void drawRRect(const SkRRect& rrect, const SkPaint& paint) SK_OVERRI
DE; |
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70 * Takes a bounding box in current canvas view space, accounts for stroking
and effects, and | 72 * Takes a bounding box in current canvas view space, accounts for stroking
and effects, and |
71 * computes an axis-aligned bounding box in device coordinates, then passes
it to handleBBox() | 73 * computes an axis-aligned bounding box in device coordinates, then passes
it to handleBBox() |
72 * returns false if the draw is completely clipped out, and may safely be ig
nored. | 74 * returns false if the draw is completely clipped out, and may safely be ig
nored. |
73 **/ | 75 **/ |
74 bool transformBounds(const SkRect& bounds, const SkPaint* paint); | 76 bool transformBounds(const SkRect& bounds, const SkPaint* paint); |
75 | 77 |
76 typedef SkPictureRecord INHERITED; | 78 typedef SkPictureRecord INHERITED; |
77 }; | 79 }; |
78 | 80 |
79 #endif | 81 #endif |
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