| // Copyright (c) 2013 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 CONTENT_CHILD_IMAGE_DECODER_H_ |
| #define CONTENT_CHILD_IMAGE_DECODER_H_ |
| |
| #include <stddef.h> |
| |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "ui/gfx/geometry/size.h" |
| |
| class SkBitmap; |
| |
| namespace content { |
| |
| // Provides an interface to WebKit's image decoders. |
| // |
| // Note to future: This class should be deleted. We should have our own nice |
| // image decoders in base/gfx, and our port should use those. Currently, it's |
| // the other way around. |
| class ImageDecoder { |
| public: |
| // Use the constructor with desired_size when you think you may have an .ico |
| // format and care about which size you get back. Otherwise, use the 0-arg |
| // constructor. |
| ImageDecoder(); |
| ImageDecoder(const gfx::Size& desired_icon_size); |
| ~ImageDecoder(); |
| |
| // Call this function to decode the image. If successful, the decoded image |
| // will be returned. Otherwise, an empty bitmap will be returned. |
| SkBitmap Decode(const unsigned char* data, size_t size) const; |
| |
| // Returns all frames found in the image represented by data. If there are |
| // multiple frames at the same size, only the first one is returned. |
| static std::vector<SkBitmap> DecodeAll( |
| const unsigned char* data, size_t size); |
| |
| private: |
| // Size will be empty to get the largest possible size. |
| gfx::Size desired_icon_size_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ImageDecoder); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_CHILD_IMAGE_DECODER_H_ |