1 | /* |
2 | * Copyright 2018 Google Inc. |
3 | * |
4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
5 | * you may not use this file except in compliance with the License. |
6 | * You may obtain a copy of the License at |
7 | * |
8 | * http://www.apache.org/licenses/LICENSE-2.0 |
9 | * |
10 | * Unless required by applicable law or agreed to in writing, software |
11 | * distributed under the License is distributed on an "AS IS" BASIS, |
12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
13 | * See the License for the specific language governing permissions and |
14 | * limitations under the License. |
15 | */ |
16 | |
17 | #ifndef TXT_FONT_ASSET_PROVIDER_H_ |
18 | #define TXT_FONT_ASSET_PROVIDER_H_ |
19 | |
20 | #include <string> |
21 | #include "third_party/skia/include/core/SkFontMgr.h" |
22 | |
23 | namespace txt { |
24 | |
25 | class FontAssetProvider { |
26 | public: |
27 | virtual ~FontAssetProvider() = default; |
28 | |
29 | virtual size_t GetFamilyCount() const = 0; |
30 | virtual std::string GetFamilyName(int index) const = 0; |
31 | virtual SkFontStyleSet* MatchFamily(const std::string& family_name) = 0; |
32 | |
33 | protected: |
34 | static std::string CanonicalFamilyName(std::string family_name); |
35 | }; |
36 | |
37 | } // namespace txt |
38 | |
39 | #endif // TXT_FONT_ASSET_PROVIDER_H_ |
40 | |