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 TYPEFACE_IMPL_H 17 #define TYPEFACE_IMPL_H 18 19 #include <cstdint> 20 #include <string> 21 22 #include "impl_interface/base_impl.h" 23 #include "text/font_style.h" 24 25 namespace OHOS { 26 namespace Rosen { 27 namespace Drawing { 28 class TypefaceImpl : public BaseImpl { 29 public: 30 ~TypefaceImpl() override = default; 31 virtual std::string GetFamilyName() const = 0; 32 virtual FontStyle GetFontStyle() const = 0; 33 virtual size_t GetTableSize(uint32_t tag) const = 0; 34 virtual size_t GetTableData(uint32_t tag, size_t offset, size_t length, void* data) const = 0; 35 virtual bool GetItalic() const = 0; 36 virtual uint32_t GetUniqueID() const = 0; 37 virtual int32_t GetUnitsPerEm() const = 0; 38 39 protected: 40 TypefaceImpl() noexcept = default; 41 }; 42 } // namespace Drawing 43 } // namespace Rosen 44 } // namespace OHOS 45 #endif