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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