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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 
8 class SkBitmap;
9 
10 namespace 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.
17 class 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