File: image_decoder.h

package info (click to toggle)
chromium-browser 57.0.2987.98-1~deb8u1
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 2,637,852 kB
  • ctags: 2,544,394
  • sloc: cpp: 12,815,961; ansic: 3,676,222; python: 1,147,112; asm: 526,608; java: 523,212; xml: 286,794; perl: 92,654; sh: 86,408; objc: 73,271; makefile: 27,698; cs: 18,487; yacc: 13,031; tcl: 12,957; pascal: 4,875; ml: 4,716; lex: 3,904; sql: 3,862; ruby: 1,982; lisp: 1,508; php: 1,368; exp: 404; awk: 325; csh: 117; jsp: 39; sed: 37
file content (39 lines) | stat: -rw-r--r-- 1,133 bytes parent folder | download 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
 
// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_IMAGE_FETCHER_IMAGE_DECODER_H_
#define COMPONENTS_IMAGE_FETCHER_IMAGE_DECODER_H_

#include <string>

#include "base/callback_forward.h"
#include "base/macros.h"

namespace gfx {
class Image;
}  // namespace gfx

namespace image_fetcher {

using ImageDecodedCallback = base::Callback<void(const gfx::Image&)>;

// ImageDecoder defines the common interface for decoding images.
class ImageDecoder {
 public:
  ImageDecoder() {}
  virtual ~ImageDecoder() {}

  // Decodes the passed |image_data| and runs the given callback. The callback
  // is run even if decoding the image fails. In case an error occured during
  // decoding the image an empty image is passed to the callback.
  virtual void DecodeImage(const std::string& image_data,
                           const ImageDecodedCallback& callback) = 0;

 private:
  DISALLOW_COPY_AND_ASSIGN(ImageDecoder);
};

}  // namespace image_fetcher

#endif  // COMPONENTS_IMAGE_FETCHER_IMAGE_DECODER_H_