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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef COMPONENTS_WEBP_TRANSCODE_WEBP_DECODER_H_ | 5 #ifndef COMPONENTS_WEBP_TRANSCODE_WEBP_DECODER_H_ |
6 #define COMPONENTS_WEBP_TRANSCODE_WEBP_DECODER_H_ | 6 #define COMPONENTS_WEBP_TRANSCODE_WEBP_DECODER_H_ |
7 | 7 |
8 #import <Foundation/Foundation.h> | 8 #import <Foundation/Foundation.h> |
9 #include <stddef.h> | 9 #include <stddef.h> |
10 | 10 |
| 11 #include <memory> |
| 12 |
11 #include "base/mac/scoped_nsobject.h" | 13 #include "base/mac/scoped_nsobject.h" |
12 #include "base/memory/ref_counted.h" | 14 #include "base/memory/ref_counted.h" |
13 #include "base/memory/scoped_ptr.h" | |
14 #include "third_party/libwebp/webp/decode.h" | 15 #include "third_party/libwebp/webp/decode.h" |
15 | 16 |
16 @class NSData; | 17 @class NSData; |
17 | 18 |
18 namespace webp_transcode { | 19 namespace webp_transcode { |
19 | 20 |
20 // Decodes a WebP image into either JPEG, PNG or uncompressed TIFF. | 21 // Decodes a WebP image into either JPEG, PNG or uncompressed TIFF. |
21 class WebpDecoder : public base::RefCountedThreadSafe<WebpDecoder> { | 22 class WebpDecoder : public base::RefCountedThreadSafe<WebpDecoder> { |
22 public: | 23 public: |
23 // Format of the decoded image. | 24 // Format of the decoded image. |
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59 virtual ~WebpDecoder(); | 60 virtual ~WebpDecoder(); |
60 | 61 |
61 // Implements WebP image decoding state machine steps. | 62 // Implements WebP image decoding state machine steps. |
62 void DoReadFeatures(NSData* data); | 63 void DoReadFeatures(NSData* data); |
63 void DoReadData(NSData* data); | 64 void DoReadData(NSData* data); |
64 bool DoSendData(); | 65 bool DoSendData(); |
65 | 66 |
66 scoped_refptr<WebpDecoder::Delegate> delegate_; | 67 scoped_refptr<WebpDecoder::Delegate> delegate_; |
67 WebPDecoderConfig config_; | 68 WebPDecoderConfig config_; |
68 WebpDecoder::State state_; | 69 WebpDecoder::State state_; |
69 scoped_ptr<WebPIDecoder, WebPIDecoderDeleter> incremental_decoder_; | 70 std::unique_ptr<WebPIDecoder, WebPIDecoderDeleter> incremental_decoder_; |
70 base::scoped_nsobject<NSData> output_buffer_; | 71 base::scoped_nsobject<NSData> output_buffer_; |
71 base::scoped_nsobject<NSMutableData> features_; | 72 base::scoped_nsobject<NSMutableData> features_; |
72 int has_alpha_; | 73 int has_alpha_; |
73 }; | 74 }; |
74 | 75 |
75 } // namespace webp_transcode | 76 } // namespace webp_transcode |
76 | 77 |
77 #endif // COMPONENTS_WEBP_TRANSCODE_WEBP_DECODER_H_ | 78 #endif // COMPONENTS_WEBP_TRANSCODE_WEBP_DECODER_H_ |
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