Source/core/platform/image-decoders/gif/GIFImageDecoder.h - Issue 15466003: Remove image decoder down sampling

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Issue 15466003: Remove image decoder down sampling (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Remove virtual setSize() from GIF decoder Created 7 years, 7 months ago

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1 /*	1 /*

2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.	2 * Copyright (C) 2006 Apple Computer, Inc. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 * 1. Redistributions of source code must retain the above copyright	7 * 1. Redistributions of source code must retain the above copyright

8 * notice, this list of conditions and the following disclaimer.	8 * notice, this list of conditions and the following disclaimer.

9 * 2. Redistributions in binary form must reproduce the above copyright	9 * 2. Redistributions in binary form must reproduce the above copyright

10 * notice, this list of conditions and the following disclaimer in the	10 * notice, this list of conditions and the following disclaimer in the

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38 public:	38 public:

39 GIFImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProf ileOption);	39 GIFImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProf ileOption);

40 virtual ~GIFImageDecoder();	40 virtual ~GIFImageDecoder();

41	41

42 enum GIFQuery { GIFFullQuery, GIFSizeQuery, GIFFrameCountQuery };	42 enum GIFQuery { GIFFullQuery, GIFSizeQuery, GIFFrameCountQuery };

43	43

44 // ImageDecoder	44 // ImageDecoder

45 virtual String filenameExtension() const { return "gif"; }	45 virtual String filenameExtension() const { return "gif"; }

46 virtual void setData(SharedBuffer* data, bool allDataReceived);	46 virtual void setData(SharedBuffer* data, bool allDataReceived);

47 virtual bool isSizeAvailable();	47 virtual bool isSizeAvailable();

48 virtual bool setSize(unsigned width, unsigned height);

49 virtual size_t frameCount();	48 virtual size_t frameCount();

50 virtual int repetitionCount() const;	49 virtual int repetitionCount() const;

51 virtual ImageFrame* frameBufferAtIndex(size_t index);	50 virtual ImageFrame* frameBufferAtIndex(size_t index);

52 virtual bool frameIsCompleteAtIndex(size_t) const;	51 virtual bool frameIsCompleteAtIndex(size_t) const;

53 virtual float frameDurationAtIndex(size_t) const;	52 virtual float frameDurationAtIndex(size_t) const;

54 // CAUTION: setFailed() deletes \|m_reader\|. Be careful to avoid	53 // CAUTION: setFailed() deletes \|m_reader\|. Be careful to avoid

55 // accessing deleted memory, especially when calling this from inside	54 // accessing deleted memory, especially when calling this from inside

56 // GIFImageReader!	55 // GIFImageReader!

57 virtual bool setFailed();	56 virtual bool setFailed();

58 virtual void clearFrameBufferCache(size_t clearBeforeFrame);	57 virtual void clearFrameBufferCache(size_t clearBeforeFrame);

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75 bool initFrameBuffer(unsigned frameIndex);	74 bool initFrameBuffer(unsigned frameIndex);

76	75

77 bool m_currentBufferSawAlpha;	76 bool m_currentBufferSawAlpha;

78 mutable int m_repetitionCount;	77 mutable int m_repetitionCount;

79 OwnPtr<GIFImageReader> m_reader;	78 OwnPtr<GIFImageReader> m_reader;

80 };	79 };

81	80

82 } // namespace WebCore	81 } // namespace WebCore

83	82

84 #endif	83 #endif

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