| OLD | NEW |
| 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 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 UI_GFX_CODEC_JPEG_CODEC_H_ | 5 #ifndef UI_GFX_CODEC_JPEG_CODEC_H_ |
| 6 #define UI_GFX_CODEC_JPEG_CODEC_H_ | 6 #define UI_GFX_CODEC_JPEG_CODEC_H_ |
| 7 | 7 |
| 8 #include <stddef.h> | 8 #include <stddef.h> |
| 9 #include <vector> | 9 #include <vector> |
| 10 | 10 |
| 11 #include "ui/gfx/gfx_export.h" | 11 #include "ui/gfx/gfx_export.h" |
| 12 | 12 |
| 13 class SkBitmap; | 13 class SkBitmap; |
| 14 | 14 |
| 15 namespace gfx { | 15 namespace gfx { |
| 16 | 16 |
| 17 // Interface for encoding/decoding JPEG data. This is a wrapper around libjpeg, | 17 // Interface for encoding/decoding JPEG data. This is a wrapper around libjpeg, |
| 18 // which has an inconvenient interface for callers. This is only used for UI | 18 // which has an inconvenient interface for callers. This is only used for UI |
| 19 // elements, WebKit has its own more complicated JPEG decoder which handles, | 19 // elements, WebKit has its own more complicated JPEG decoder which handles, |
| 20 // among other things, partially downloaded data. | 20 // among other things, partially downloaded data. |
| 21 class UI_EXPORT JPEGCodec { | 21 class GFX_EXPORT JPEGCodec { |
| 22 public: | 22 public: |
| 23 enum ColorFormat { | 23 enum ColorFormat { |
| 24 // 3 bytes per pixel (packed), in RGB order regardless of endianness. | 24 // 3 bytes per pixel (packed), in RGB order regardless of endianness. |
| 25 // This is the native JPEG format. | 25 // This is the native JPEG format. |
| 26 FORMAT_RGB, | 26 FORMAT_RGB, |
| 27 | 27 |
| 28 // 4 bytes per pixel, in RGBA order in mem regardless of endianness. | 28 // 4 bytes per pixel, in RGBA order in mem regardless of endianness. |
| 29 FORMAT_RGBA, | 29 FORMAT_RGBA, |
| 30 | 30 |
| 31 // 4 bytes per pixel, in BGRA order in mem regardless of endianness. | 31 // 4 bytes per pixel, in BGRA order in mem regardless of endianness. |
| (...skipping 38 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 70 | 70 |
| 71 // Decodes the JPEG data contained in input of length input_size. If | 71 // Decodes the JPEG data contained in input of length input_size. If |
| 72 // successful, a SkBitmap is created and returned. It is up to the caller | 72 // successful, a SkBitmap is created and returned. It is up to the caller |
| 73 // to delete the returned bitmap. | 73 // to delete the returned bitmap. |
| 74 static SkBitmap* Decode(const unsigned char* input, size_t input_size); | 74 static SkBitmap* Decode(const unsigned char* input, size_t input_size); |
| 75 }; | 75 }; |
| 76 | 76 |
| 77 } // namespace gfx | 77 } // namespace gfx |
| 78 | 78 |
| 79 #endif // UI_GFX_CODEC_JPEG_CODEC_H_ | 79 #endif // UI_GFX_CODEC_JPEG_CODEC_H_ |
| OLD | NEW |