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 ParagraphLineFetcherImpl_DEFINED 17#define ParagraphLineFetcherImpl_DEFINED 18#include <iostream> 19#include "include/core/SkScalar.h" 20#include "modules/skparagraph/include/Paragraph.h" 21#include "modules/skparagraph/include/ParagraphLineFetcher.h" 22namespace skia { 23namespace textlayout { 24class ParagraphLineFetcherImpl final : public ParagraphLineFetcher { 25public: 26 ParagraphLineFetcherImpl() = delete; 27 ParagraphLineFetcherImpl(std::unique_ptr<Paragraph>&& paragraph); 28 ~ParagraphLineFetcherImpl() override; 29 size_t getLineBreak(size_t startIndex, SkScalar width) const override; 30 std::unique_ptr<TextLineBase> createLine(size_t startIndex, size_t count) override; 31 std::unique_ptr<Paragraph> getTempParagraph() override { return std::move(fTempParagraph); }; 32 size_t getUnicodeSize() const override { return fUnicodeSize; }; 33private: 34 std::unique_ptr<Paragraph> fTempParagraph = nullptr; 35 std::unique_ptr<Paragraph> fRootParagraph = nullptr; 36 size_t fUnicodeSize; 37}; 38} // namespace textlayout 39} // namespace skia 40#endif // ParagraphLineFetcherImpl_DEFINED 41