1 /* 2 * Copyright (c) 2023 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef ROSEN_MODULES_TEXGINE_EXPORT_TEXGINE_SYSTEM_FONT_PROVIDER_H 17 #define ROSEN_MODULES_TEXGINE_EXPORT_TEXGINE_SYSTEM_FONT_PROVIDER_H 18 19 #include "texgine/ifont_provider.h" 20 21 namespace OHOS { 22 namespace Rosen { 23 namespace TextEngine { 24 /* 25 * @brief SystemFontProvider can provide fonts registered in system. 26 */ 27 class SystemFontProvider : public IFontProvider { 28 public: 29 /* 30 * @brief Returns single instance. 31 */ 32 static std::shared_ptr<SystemFontProvider> GetInstance() noexcept(true); 33 34 std::shared_ptr<VariantFontStyleSet> MatchFamily(const std::string& familyName) noexcept(true) override; 35 36 private: 37 void ReportMemoryUsage(const std::string& member, const bool needThis) const override; 38 39 static inline std::shared_ptr<SystemFontProvider> sfp = nullptr; 40 }; 41 } // namespace TextEngine 42 } // namespace Rosen 43 } // namespace OHOS 44 45 #endif // ROSEN_MODULES_TEXGINE_EXPORT_TEXGINE_SYSTEM_FONT_PROVIDER_H 46