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1 | 1 |
2 /* | 2 /* |
3 * Copyright 2010 Google Inc. | 3 * Copyright 2010 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 | 9 |
10 | 10 |
11 #ifndef SkGrPixelRef_DEFINED | 11 #ifndef SkGrPixelRef_DEFINED |
12 #define SkGrPixelRef_DEFINED | 12 #define SkGrPixelRef_DEFINED |
13 | 13 |
14 #include "SkBitmap.h" | 14 #include "SkBitmap.h" |
15 #include "SkPixelRef.h" | 15 #include "SkPixelRef.h" |
16 #include "GrTexture.h" | 16 #include "GrTexture.h" |
17 #include "GrRenderTarget.h" | 17 #include "GrRenderTarget.h" |
18 | 18 |
19 | 19 |
20 /** | 20 /** |
21 * Common baseclass that implements onLockPixels() by calling onReadPixels(). | 21 * Common baseclass that implements onLockPixels() by calling onReadPixels(). |
22 * Since it has a copy, it always returns false for onLockPixelsAreWritable(). | 22 * Since it has a copy, it always returns false for onLockPixelsAreWritable(). |
23 */ | 23 */ |
24 class SK_API SkROLockPixelsPixelRef : public SkPixelRef { | 24 class SK_API SkROLockPixelsPixelRef : public SkPixelRef { |
25 public: | 25 public: |
26 SkROLockPixelsPixelRef(const SkImageInfo&); | 26 SkROLockPixelsPixelRef(); |
27 virtual ~SkROLockPixelsPixelRef(); | 27 virtual ~SkROLockPixelsPixelRef(); |
28 | 28 |
29 protected: | 29 protected: |
30 virtual bool onNewLockPixels(LockRec*) SK_OVERRIDE; | 30 // override from SkPixelRef |
31 virtual void onUnlockPixels() SK_OVERRIDE; | 31 virtual void* onLockPixels(SkColorTable** ptr); |
32 virtual bool onLockPixelsAreWritable() const SK_OVERRIDE; // return false; | 32 virtual void onUnlockPixels(); |
| 33 virtual bool onLockPixelsAreWritable() const; // return false; |
33 | 34 |
34 private: | 35 private: |
35 SkBitmap fBitmap; | 36 SkBitmap fBitmap; |
36 typedef SkPixelRef INHERITED; | 37 typedef SkPixelRef INHERITED; |
37 }; | 38 }; |
38 | 39 |
39 /** | 40 /** |
40 * PixelRef that wraps a GrSurface | 41 * PixelRef that wraps a GrSurface |
41 */ | 42 */ |
42 class SK_API SkGrPixelRef : public SkROLockPixelsPixelRef { | 43 class SK_API SkGrPixelRef : public SkROLockPixelsPixelRef { |
43 public: | 44 public: |
44 /** | 45 /** |
45 * Constructs a pixel ref around a GrSurface. If the caller has locked the G
rSurface in the | 46 * Constructs a pixel ref around a GrSurface. If the caller has locked the G
rSurface in the |
46 * cache and would like the pixel ref to unlock it in its destructor then tr
ansferCacheLock | 47 * cache and would like the pixel ref to unlock it in its destructor then tr
ansferCacheLock |
47 * should be set to true. | 48 * should be set to true. |
48 */ | 49 */ |
49 SkGrPixelRef(const SkImageInfo&, GrSurface*, bool transferCacheLock = false)
; | 50 SkGrPixelRef(GrSurface* surface, bool transferCacheLock = false); |
50 virtual ~SkGrPixelRef(); | 51 virtual ~SkGrPixelRef(); |
51 | 52 |
52 // override from SkPixelRef | 53 // override from SkPixelRef |
53 virtual GrTexture* getTexture() SK_OVERRIDE; | 54 virtual GrTexture* getTexture() SK_OVERRIDE; |
54 | 55 |
55 SK_DECLARE_UNFLATTENABLE_OBJECT() | 56 SK_DECLARE_UNFLATTENABLE_OBJECT() |
56 | 57 |
57 protected: | 58 protected: |
58 // overrides from SkPixelRef | 59 // overrides from SkPixelRef |
59 virtual bool onReadPixels(SkBitmap* dst, const SkIRect* subset) SK_OVERRIDE; | 60 virtual bool onReadPixels(SkBitmap* dst, const SkIRect* subset) SK_OVERRIDE; |
60 virtual SkPixelRef* deepCopy(SkBitmap::Config dstConfig, const SkIRect* subs
et) SK_OVERRIDE; | 61 virtual SkPixelRef* deepCopy(SkBitmap::Config dstConfig, const SkIRect* subs
et) SK_OVERRIDE; |
61 | 62 |
62 private: | 63 private: |
63 GrSurface* fSurface; | 64 GrSurface* fSurface; |
64 bool fUnlock; // if true the pixel ref owns a texture cache lock on
fSurface | 65 bool fUnlock; // if true the pixel ref owns a texture cache lock on
fSurface |
65 | 66 |
66 typedef SkROLockPixelsPixelRef INHERITED; | 67 typedef SkROLockPixelsPixelRef INHERITED; |
67 }; | 68 }; |
68 | 69 |
69 #endif | 70 #endif |
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