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_SRC_TEXGINE_FONT_STYLE_SET_H 17 #define ROSEN_MODULES_TEXGINE_SRC_TEXGINE_FONT_STYLE_SET_H 18 19 #include <memory> 20 21 #include <include/core/SkFontMgr.h> 22 23 #include "texgine_font_style.h" 24 #include "texgine_string.h" 25 #include "texgine_typeface.h" 26 27 namespace OHOS { 28 namespace Rosen { 29 namespace TextEngine { 30 class TexgineFontStyleSet { 31 public: 32 explicit TexgineFontStyleSet(SkFontStyleSet *set); 33 ~TexgineFontStyleSet(); 34 35 /* 36 * @brief Return the count of typeface 37 */ 38 int Count() const; 39 40 /* 41 * @brief Get thr font style for the specified typeface 42 * @param index The index of a typeface 43 * @param style The style value that returned to the caller 44 * @param name The style name that returned to the caller 45 */ 46 void GetStyle(const int index, std::shared_ptr<TexgineFontStyle> style, std::shared_ptr<TexgineString> name) const; 47 48 /* 49 * @brief To create a typeface 50 * @param index The the index of the typeface in this font style set 51 */ 52 std::shared_ptr<TexgineTypeface> CreateTypeface(int index); 53 54 /* 55 * @brief To get the closest matching typeface 56 * @param pattern The style value to be matching 57 */ 58 std::shared_ptr<TexgineTypeface> MatchStyle(const std::shared_ptr<TexgineFontStyle> pattern); 59 60 /* 61 * @brief To create an empty TexgineFontStyleSet 62 */ 63 static std::shared_ptr<TexgineFontStyleSet> CreateEmpty(); 64 65 /* 66 * @brief Returns the SkFontStyleSet in TexgineFontStyleSet 67 */ GetFontStyleSet()68 SkFontStyleSet *GetFontStyleSet() const 69 { 70 return set_; 71 } 72 73 private: 74 SkFontStyleSet *set_ = nullptr; 75 }; 76 } // namespace TextEngine 77 } // namespace Rosen 78 } // namespace OHOS 79 80 #endif // ROSEN_MODULES_TEXGINE_SRC_TEXGINE_FONT_STYLE_SET_H 81