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 SKPARAGRAPH_INCLUDE_RUN_BASE_H 17 #define SKPARAGRAPH_INCLUDE_RUN_BASE_H 18 #ifdef ENABLE_TEXT_ENHANCE 19 #include "modules/skparagraph/include/DartTypes.h" 20 #include "modules/skparagraph/include/ParagraphPainter.h" 21 22 namespace skia { 23 namespace textlayout { 24 class RunBase { 25 public: 26 27 virtual ~RunBase() = default; 28 virtual const RSFont& font() const = 0; 29 virtual size_t size() const = 0; 30 virtual std::vector<uint16_t> getGlyphs() const = 0; 31 virtual std::vector<RSPoint> getPositions() const = 0; 32 virtual std::vector<RSPoint> getOffsets() const = 0; 33 34 virtual std::vector<uint16_t> getGlyphs(int64_t start, int64_t length) const = 0; 35 virtual void getStringRange(uint64_t* location, uint64_t* length) const = 0; 36 virtual std::vector<uint64_t> getStringIndices(int64_t start, int64_t length) const = 0; 37 virtual float getTypographicBounds(float* ascent, float* descent, float* leading) const = 0; 38 virtual std::vector<RSPoint> getAdvances(uint32_t start, uint32_t length) const = 0; 39 virtual TextDirection getTextDirection() const = 0; 40 41 virtual RSRect getImageBounds() const = 0; 42 virtual std::vector<RSPoint> getPositions(int64_t start, int64_t length) const = 0; 43 virtual void paint(ParagraphPainter* painter, SkScalar x, SkScalar y) = 0; 44 }; 45 } // namespace textlayout 46 } // namespace skia 47 #endif // ENABLE_TEXT_ENHANCE 48 #endif // SKPARAGRAPH_INCLUDE_RUN_BASE_H 49