1 // Copyright (c) 2013 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 <vector> 6 7 #include "base/basictypes.h" 8 #include "ui/gfx/size.h" 9 10 class SkBitmap; 11 12 namespace content { 13 14 // Provides an interface to WebKit's image decoders. 15 // 16 // Note to future: This class should be deleted. We should have our own nice 17 // image decoders in base/gfx, and our port should use those. Currently, it's 18 // the other way around. 19 class ImageDecoder { 20 public: 21 // Use the constructor with desired_size when you think you may have an .ico 22 // format and care about which size you get back. Otherwise, use the 0-arg 23 // constructor. 24 ImageDecoder(); 25 ImageDecoder(const gfx::Size& desired_icon_size); 26 ~ImageDecoder(); 27 28 // Call this function to decode the image. If successful, the decoded image 29 // will be returned. Otherwise, an empty bitmap will be returned. 30 SkBitmap Decode(const unsigned char* data, size_t size) const; 31 32 // Returns all frames found in the image represented by data. If there are 33 // multiple frames at the same size, only the first one is returned. 34 static std::vector<SkBitmap> DecodeAll( 35 const unsigned char* data, size_t size); 36 37 private: 38 // Size will be empty to get the largest possible size. 39 gfx::Size desired_icon_size_; 40 41 DISALLOW_COPY_AND_ASSIGN(ImageDecoder); 42 }; 43 44 } // namespace content 45
