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1 /* | |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | |
3 * | |
4 * Redistribution and use in source and binary forms, with or without | |
5 * modification, are permitted provided that the following conditions | |
6 * are met: | |
7 * | |
8 * 1. Redistributions of source code must retain the above copyright | |
9 * notice, this list of conditions and the following disclaimer. | |
10 * 2. Redistributions in binary form must reproduce the above copyright | |
11 * notice, this list of conditions and the following disclaimer in the | |
12 * documentation and/or other materials provided with the distribution. | |
13 * | |
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY | |
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY | |
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
24 */ | |
25 | |
26 #ifndef MockDiscardablePixelRef_h | |
27 | |
28 #include "SkBitmap.h" | |
29 #include "SkPixelRef.h" | |
30 | |
31 namespace WebCore { | |
32 | |
33 class MockDiscardablePixelRef : public SkPixelRef { | |
34 public: | |
35 MockDiscardablePixelRef() : discarded(false) { setURI("discardable"); } | |
36 ~MockDiscardablePixelRef() { } | |
37 | |
38 void discard() | |
39 { | |
40 ASSERT(!m_lockedMemory); | |
41 discarded = true; | |
42 } | |
43 | |
44 SK_DECLARE_UNFLATTENABLE_OBJECT() | |
45 | |
46 protected: | |
47 // SkPixelRef implementation. | |
48 virtual void* onLockPixels(SkColorTable**) | |
49 { | |
50 if (discarded) | |
51 return 0; | |
52 m_lockedMemory = &discarded; | |
53 return m_lockedMemory; | |
54 } | |
55 | |
56 virtual void onUnlockPixels() | |
57 { | |
58 m_lockedMemory = 0; | |
59 } | |
60 | |
61 private: | |
62 void* m_lockedMemory; | |
63 bool discarded; | |
64 }; | |
65 | |
66 } // namespace WebCore | |
67 | |
68 #endif // MockDiscardablePixelRef_h | |
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