1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/basictypes.h"
6#include "ui/gfx/size.h"
7
8class SkBitmap;
9
10namespace webkit_glue {
11
12// Provides an interface to WebKit's image decoders.
13//
14// Note to future: This class should be deleted. We should have our own nice
15// image decoders in base/gfx, and our port should use those. Currently, it's
16// the other way around.
17class ImageDecoder {
18 public:
19  // Use the constructor with desired_size when you think you may have an .ico
20  // format and care about which size you get back. Otherwise, use the 0-arg
21  // constructor.
22  ImageDecoder();
23  ImageDecoder(const gfx::Size& desired_icon_size);
24  ~ImageDecoder();
25
26  // Call this function to decode the image. If successful, the decoded image
27  // will be returned. Otherwise, an empty bitmap will be returned.
28  SkBitmap Decode(const unsigned char* data, size_t size) const;
29
30 private:
31  // Size will be empty to get the largest possible size.
32  gfx::Size desired_icon_size_;
33
34  DISALLOW_COPY_AND_ASSIGN(ImageDecoder);
35};
36
37}  // namespace webkit_glue
38