| /* |
| * Copyright 2016 Google Inc. All Rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef COBALT_LOADER_IMAGE_WEBP_IMAGE_DECODER_H_ |
| #define COBALT_LOADER_IMAGE_WEBP_IMAGE_DECODER_H_ |
| |
| #include <string> |
| |
| #include "cobalt/loader/image/image_data_decoder.h" |
| #include "third_party/libwebp/webp/decode.h" |
| |
| namespace cobalt { |
| namespace loader { |
| namespace image { |
| |
| class WEBPImageDecoder : public ImageDataDecoder { |
| public: |
| explicit WEBPImageDecoder(render_tree::ResourceProvider* resource_provider); |
| ~WEBPImageDecoder() OVERRIDE; |
| |
| // From ImageDataDecoder |
| std::string GetTypeString() const OVERRIDE { return "WEBPImageDecoder"; } |
| |
| private: |
| // From ImageDataDecoder |
| size_t DecodeChunkInternal(const uint8* data, size_t input_byte) OVERRIDE; |
| |
| bool ReadHeader(const uint8* data, size_t size, bool* has_alpha); |
| bool CreateInternalDecoder(bool has_alpha); |
| void DeleteInternalDecoder(); |
| |
| WebPIDecoder* internal_decoder_; |
| WebPDecoderConfig config_; |
| }; |
| |
| } // namespace image |
| } // namespace loader |
| } // namespace cobalt |
| |
| #endif // COBALT_LOADER_IMAGE_WEBP_IMAGE_DECODER_H_ |