1 /* 2 * Copyright (c) 2024 Huawei Device Co., Ltd.. All rights reserved. 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_SPTEXT_PARAGRAPH_BUILDER_H 17 #define ROSEN_MODULES_SPTEXT_PARAGRAPH_BUILDER_H 18 19 #include <memory> 20 #include <string> 21 22 #include "font_collection.h" 23 #include "paragraph.h" 24 #include "paragraph_line_fetcher.h" 25 #include "paragraph_style.h" 26 #include "placeholder_run.h" 27 #include "text_style.h" 28 #include "utils.h" 29 30 namespace OHOS { 31 namespace Rosen { 32 namespace SPText { 33 class ParagraphBuilder { 34 public: 35 static std::unique_ptr<ParagraphBuilder> Create(const ParagraphStyle& style, 36 std::shared_ptr<txt::FontCollection> fontCollection); 37 38 virtual ~ParagraphBuilder() = default; 39 40 virtual void PushStyle(const TextStyle& style) = 0; 41 virtual void Pop() = 0; 42 virtual void AddText(const std::u16string& text) = 0; 43 virtual void AddPlaceholder(PlaceholderRun& span) = 0; 44 45 virtual std::unique_ptr<Paragraph> Build() = 0; 46 virtual std::unique_ptr<ParagraphLineFetcher> BuildLineFetcher() = 0; 47 48 protected: 49 ParagraphBuilder() = default; 50 51 private: 52 DISALLOW_COPY_AND_ASSIGN(ParagraphBuilder); 53 }; 54 } // namespace SPText 55 } // namespace Rosen 56 } // namespace OHOS 57 58 #endif // ROSEN_MODULES_SPTEXT_PARAGRAPH_BUILDER_H 59