OLD | NEW |
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 26 matching lines...) Expand all Loading... |
37 class JPEGImageReader; | 37 class JPEGImageReader; |
38 | 38 |
39 // This class decodes the JPEG image format. | 39 // This class decodes the JPEG image format. |
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 IntSize decodedSize() const OVERRIDE { return m_decodedSize; } | 50 virtual IntSize decodedSize() const override { return m_decodedSize; } |
51 virtual IntSize decodedYUVSize(int component, SizeType) const OVERRIDE; | 51 virtual IntSize decodedYUVSize(int component, SizeType) const override; |
52 virtual bool setSize(unsigned width, unsigned height) OVERRIDE; | 52 virtual bool setSize(unsigned width, unsigned height) override; |
53 virtual ImageFrame* frameBufferAtIndex(size_t) OVERRIDE; | 53 virtual ImageFrame* frameBufferAtIndex(size_t) override; |
54 // CAUTION: setFailed() deletes |m_reader|. Be careful to avoid | 54 // CAUTION: setFailed() deletes |m_reader|. Be careful to avoid |
55 // accessing deleted memory, especially when calling this from inside | 55 // accessing deleted memory, especially when calling this from inside |
56 // JPEGImageReader! | 56 // JPEGImageReader! |
57 virtual bool setFailed() OVERRIDE; | 57 virtual bool setFailed() override; |
58 virtual bool canDecodeToYUV() const OVERRIDE; | 58 virtual bool canDecodeToYUV() const override; |
59 virtual bool decodeToYUV() OVERRIDE; | 59 virtual bool decodeToYUV() override; |
60 virtual void setImagePlanes(PassOwnPtr<ImagePlanes>) OVERRIDE; | 60 virtual void setImagePlanes(PassOwnPtr<ImagePlanes>) override; |
61 bool hasImagePlanes() const { return m_imagePlanes; } | 61 bool hasImagePlanes() const { return m_imagePlanes; } |
62 | 62 |
63 bool outputScanlines(); | 63 bool outputScanlines(); |
64 unsigned desiredScaleNumerator() const; | 64 unsigned desiredScaleNumerator() const; |
65 void jpegComplete(); | 65 void jpegComplete(); |
66 | 66 |
67 void setOrientation(ImageOrientation orientation) { m_orientation = orientat
ion; } | 67 void setOrientation(ImageOrientation orientation) { m_orientation = orientat
ion; } |
68 void setHasColorProfile(bool hasColorProfile) { m_hasColorProfile = hasColor
Profile; } | 68 void setHasColorProfile(bool hasColorProfile) { m_hasColorProfile = hasColor
Profile; } |
69 void setDecodedSize(unsigned width, unsigned height); | 69 void setDecodedSize(unsigned width, unsigned height); |
70 | 70 |
71 private: | 71 private: |
72 // Decodes the image. If |onlySize| is true, stops decoding after | 72 // Decodes the image. If |onlySize| is true, stops decoding after |
73 // calculating the image size. If decoding fails but there is no more | 73 // calculating the image size. If decoding fails but there is no more |
74 // data coming, sets the "decode failure" flag. | 74 // data coming, sets the "decode failure" flag. |
75 void decode(bool onlySize); | 75 void decode(bool onlySize); |
76 | 76 |
77 OwnPtr<JPEGImageReader> m_reader; | 77 OwnPtr<JPEGImageReader> m_reader; |
78 OwnPtr<ImagePlanes> m_imagePlanes; | 78 OwnPtr<ImagePlanes> m_imagePlanes; |
79 IntSize m_decodedSize; | 79 IntSize m_decodedSize; |
80 bool m_hasColorProfile; | 80 bool m_hasColorProfile; |
81 }; | 81 }; |
82 | 82 |
83 } // namespace blink | 83 } // namespace blink |
84 | 84 |
85 #endif | 85 #endif |
OLD | NEW |