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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 * Copyright (C) 2008-2009 Torch Mobile, Inc. | 3 * Copyright (C) 2008-2009 Torch Mobile, Inc. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
| 7 * are met: | 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| (...skipping 29 matching lines...) Expand all Loading... |
| 40 class PLATFORM_EXPORT JPEGImageDecoder : public ImageDecoder { | 40 class PLATFORM_EXPORT JPEGImageDecoder : public ImageDecoder { |
| 41 WTF_MAKE_NONCOPYABLE(JPEGImageDecoder); | 41 WTF_MAKE_NONCOPYABLE(JPEGImageDecoder); |
| 42 public: | 42 public: |
| 43 JPEGImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProfile
Option, size_t maxDecodedBytes); | 43 JPEGImageDecoder(ImageSource::AlphaOption, ImageSource::GammaAndColorProfile
Option, size_t maxDecodedBytes); |
| 44 virtual ~JPEGImageDecoder(); | 44 virtual ~JPEGImageDecoder(); |
| 45 | 45 |
| 46 // ImageDecoder | 46 // ImageDecoder |
| 47 virtual String filenameExtension() const OVERRIDE { return "jpg"; } | 47 virtual String filenameExtension() const OVERRIDE { return "jpg"; } |
| 48 virtual bool isSizeAvailable() OVERRIDE; | 48 virtual bool isSizeAvailable() OVERRIDE; |
| 49 virtual bool hasColorProfile() const OVERRIDE { return m_hasColorProfile; } | 49 virtual bool hasColorProfile() const OVERRIDE { return m_hasColorProfile; } |
| 50 virtual PassRefPtr<ColorSpaceProfile> colorProfile() const OVERRIDE; |
| 50 virtual IntSize decodedSize() const OVERRIDE { return m_decodedSize; } | 51 virtual IntSize decodedSize() const OVERRIDE { return m_decodedSize; } |
| 51 virtual bool setSize(unsigned width, unsigned height) OVERRIDE; | 52 virtual bool setSize(unsigned width, unsigned height) OVERRIDE; |
| 52 virtual ImageFrame* frameBufferAtIndex(size_t) OVERRIDE; | 53 virtual ImageFrame* frameBufferAtIndex(size_t) OVERRIDE; |
| 53 // CAUTION: setFailed() deletes |m_reader|. Be careful to avoid | 54 // CAUTION: setFailed() deletes |m_reader|. Be careful to avoid |
| 54 // accessing deleted memory, especially when calling this from inside | 55 // accessing deleted memory, especially when calling this from inside |
| 55 // JPEGImageReader! | 56 // JPEGImageReader! |
| 56 virtual bool setFailed() OVERRIDE; | 57 virtual bool setFailed() OVERRIDE; |
| 57 | 58 |
| 58 bool outputScanlines(); | 59 bool outputScanlines(); |
| 59 unsigned desiredScaleNumerator() const; | 60 unsigned desiredScaleNumerator() const; |
| 60 void jpegComplete(); | 61 void jpegComplete(); |
| 61 | 62 |
| 62 void setOrientation(ImageOrientation orientation) { m_orientation = orientat
ion; } | 63 void setOrientation(ImageOrientation orientation) { m_orientation = orientat
ion; } |
| 63 void setHasColorProfile(bool hasColorProfile) { m_hasColorProfile = hasColor
Profile; } | 64 void setHasColorProfile(bool hasColorProfile) { m_hasColorProfile = hasColor
Profile; } |
| 65 void setColorProfile(PassRefPtr<ColorSpaceProfile> profile) { m_colorProfile
= profile; } |
| 64 void setDecodedSize(unsigned width, unsigned height); | 66 void setDecodedSize(unsigned width, unsigned height); |
| 65 | 67 |
| 66 private: | 68 private: |
| 67 // Decodes the image. If |onlySize| is true, stops decoding after | 69 // Decodes the image. If |onlySize| is true, stops decoding after |
| 68 // calculating the image size. If decoding fails but there is no more | 70 // calculating the image size. If decoding fails but there is no more |
| 69 // data coming, sets the "decode failure" flag. | 71 // data coming, sets the "decode failure" flag. |
| 70 void decode(bool onlySize); | 72 void decode(bool onlySize); |
| 71 | 73 |
| 72 OwnPtr<JPEGImageReader> m_reader; | 74 OwnPtr<JPEGImageReader> m_reader; |
| 75 RefPtr<ColorSpaceProfile> m_colorProfile; |
| 73 IntSize m_decodedSize; | 76 IntSize m_decodedSize; |
| 74 bool m_hasColorProfile; | 77 bool m_hasColorProfile; |
| 75 }; | 78 }; |
| 76 | 79 |
| 77 } // namespace WebCore | 80 } // namespace WebCore |
| 78 | 81 |
| 79 #endif | 82 #endif |
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