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| 1 /* | |
| 2 * Copyright (C) 2012 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 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef DeferredImageDecoder_h | |
| 27 #define DeferredImageDecoder_h | |
| 28 | |
| 29 #include "SkBitmap.h" | |
| 30 #include "core/platform/graphics/ImageSource.h" | |
| 31 #include "core/platform/image-decoders/ImageDecoder.h" | |
| 32 #include "platform/geometry/IntSize.h" | |
| 33 #include "wtf/Forward.h" | |
| 34 #include "wtf/OwnPtr.h" | |
| 35 #include "wtf/Vector.h" | |
| 36 | |
| 37 namespace WebCore { | |
| 38 | |
| 39 class ImageFrameGenerator; | |
| 40 class SharedBuffer; | |
| 41 | |
| 42 class DeferredImageDecoder { | |
| 43 public: | |
| 44 ~DeferredImageDecoder(); | |
| 45 static PassOwnPtr<DeferredImageDecoder> create(const SharedBuffer& data, Ima
geSource::AlphaOption, ImageSource::GammaAndColorProfileOption); | |
| 46 | |
| 47 static PassOwnPtr<DeferredImageDecoder> createForTesting(PassOwnPtr<ImageDec
oder>); | |
| 48 | |
| 49 static bool isLazyDecoded(const SkBitmap&); | |
| 50 | |
| 51 static void setEnabled(bool); | |
| 52 | |
| 53 String filenameExtension() const; | |
| 54 | |
| 55 ImageFrame* frameBufferAtIndex(size_t index); | |
| 56 | |
| 57 void setData(SharedBuffer* data, bool allDataReceived); | |
| 58 | |
| 59 bool isSizeAvailable(); | |
| 60 IntSize size() const; | |
| 61 IntSize frameSizeAtIndex(size_t index) const; | |
| 62 size_t frameCount(); | |
| 63 int repetitionCount() const; | |
| 64 size_t clearCacheExceptFrame(size_t); | |
| 65 bool frameHasAlphaAtIndex(size_t index) const; | |
| 66 bool frameIsCompleteAtIndex(size_t) const; | |
| 67 float frameDurationAtIndex(size_t) const; | |
| 68 unsigned frameBytesAtIndex(size_t index) const; | |
| 69 ImageOrientation orientation() const; | |
| 70 bool hotSpot(IntPoint&) const; | |
| 71 | |
| 72 // For testing. | |
| 73 ImageFrameGenerator* frameGenerator() { return m_frameGenerator.get(); } | |
| 74 | |
| 75 private: | |
| 76 explicit DeferredImageDecoder(PassOwnPtr<ImageDecoder> actualDecoder); | |
| 77 void prepareLazyDecodedFrames(); | |
| 78 SkBitmap createLazyDecodingBitmap(size_t index); | |
| 79 void activateLazyDecoding(); | |
| 80 void setData(PassRefPtr<SharedBuffer>, bool allDataReceived); | |
| 81 | |
| 82 RefPtr<SharedBuffer> m_data; | |
| 83 bool m_allDataReceived; | |
| 84 OwnPtr<ImageDecoder> m_actualDecoder; | |
| 85 | |
| 86 String m_filenameExtension; | |
| 87 IntSize m_size; | |
| 88 ImageOrientation m_orientation; | |
| 89 int m_repetitionCount; | |
| 90 | |
| 91 Vector<OwnPtr<ImageFrame> > m_lazyDecodedFrames; | |
| 92 RefPtr<ImageFrameGenerator> m_frameGenerator; | |
| 93 | |
| 94 static bool s_enabled; | |
| 95 }; | |
| 96 | |
| 97 } // namespace WebCore | |
| 98 | |
| 99 #endif | |
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Chromium Code Reviews
Issue 99103006:
Moving GraphicsContext and dependencies from core to platform. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk