| /* libs/graphics/ports/SkFontHost_fontconfig_direct.h |
| ** |
| ** Copyright 2009, Google Inc. |
| ** |
| ** 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 FontConfigDirect_DEFINED |
| #define FontConfigDirect_DEFINED |
| #pragma once |
| |
| #include <map> |
| #include <string> |
| |
| #include "SkThread.h" |
| #include "SkFontHost_fontconfig_impl.h" |
| |
| class SK_API FontConfigDirect : public FontConfigInterface { |
| public: |
| FontConfigDirect(); |
| virtual ~FontConfigDirect(); |
| |
| // FontConfigInterface implementation. Thread safe. |
| virtual bool Match(std::string* result_family, unsigned* result_filefaceid, |
| bool filefaceid_valid, unsigned filefaceid, |
| const std::string& family, |
| const void* characters, size_t characters_bytes, |
| bool* is_bold, bool* is_italic) SK_OVERRIDE; |
| virtual int Open(unsigned filefaceid) SK_OVERRIDE; |
| |
| private: |
| SkMutex mutex_; |
| // fileid stored in two maps below are unique per font file. |
| std::map<unsigned, std::string> fileid_to_filename_; |
| std::map<std::string, unsigned> filename_to_fileid_; |
| |
| // Cache of |family,style| to |FontMatch| to minimize querying FontConfig. |
| typedef std::pair<std::string, int> FontMatchKey; |
| struct FontMatch { |
| std::string family; |
| bool is_bold; |
| bool is_italic; |
| unsigned filefaceid; |
| }; |
| std::map<FontMatchKey, FontMatch> font_match_cache_; |
| |
| unsigned next_file_id_; |
| }; |
| |
| #endif // FontConfigDirect_DEFINED |