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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 blink { | |
| 32 | |
| 33 class MockDiscardablePixelRef : public SkPixelRef { | |
| 34 public: | |
| 35 MockDiscardablePixelRef(const SkImageInfo& info, size_t rowbytes) | |
| 36 : SkPixelRef(info) | |
| 37 , m_rowBytes(rowbytes) | |
| 38 , discarded(false) | |
| 39 { | |
| 40 setURI("discardable"); | |
| 41 } | |
| 42 | |
| 43 ~MockDiscardablePixelRef() { } | |
| 44 | |
| 45 void discard() | |
| 46 { | |
| 47 ASSERT(!m_lockedMemory); | |
| 48 discarded = true; | |
| 49 } | |
| 50 | |
| 51 class Allocator : public SkBitmap::Allocator { | |
| 52 public: | |
| 53 virtual bool allocPixelRef(SkBitmap* dst, SkColorTable* ct) SK_OVERRIDE
{ | |
| 54 const SkImageInfo& info = dst->info(); | |
| 55 if (kUnknown_SkColorType == info.colorType()) | |
| 56 return false; | |
| 57 SkAutoTUnref<SkPixelRef> pr(new MockDiscardablePixelRef(info, dst->r
owBytes())); | |
| 58 dst->setPixelRef(pr); | |
| 59 return true; | |
| 60 } | |
| 61 }; | |
| 62 | |
| 63 protected: | |
| 64 virtual bool onNewLockPixels(LockRec* rec) | |
| 65 { | |
| 66 if (discarded) | |
| 67 return false; | |
| 68 m_lockedMemory = &discarded; | |
| 69 rec->fPixels = m_lockedMemory; | |
| 70 rec->fColorTable = 0; | |
| 71 rec->fRowBytes = m_rowBytes; | |
| 72 return true; | |
| 73 } | |
| 74 | |
| 75 virtual void onUnlockPixels() | |
| 76 { | |
| 77 m_lockedMemory = 0; | |
| 78 } | |
| 79 | |
| 80 private: | |
| 81 void* m_lockedMemory; | |
| 82 size_t m_rowBytes; | |
| 83 bool discarded; | |
| 84 }; | |
| 85 | |
| 86 } // namespace blink | |
| 87 | |
| 88 #endif // MockDiscardablePixelRef_h | |
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Chromium Code Reviews
Issue 485833005:
Image decoding: Remove deprecated image caching code (Closed)
Base URL: svn://svn.chromium.org/blink/trunk