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_TEXT_LINE_BASE_H 17 #define ROSEN_MODULES_SPTEXT_TEXT_LINE_BASE_H 18 19 #include <cstddef> 20 #include "draw/canvas.h" 21 #include "rosen_text/typography.h" 22 #include "run.h" 23 #include "utils.h" 24 25 namespace OHOS { 26 namespace Rosen { 27 namespace SPText { 28 class TextLineBase { 29 public: 30 virtual ~TextLineBase() = default; 31 32 virtual size_t GetGlyphCount() const = 0; 33 34 virtual std::vector<std::unique_ptr<Run>> GetGlyphRuns() const = 0; 35 36 virtual Range<size_t> GetTextRange() const= 0; 37 38 virtual void Paint(Drawing::Canvas *canvas, double x, double y) = 0; 39 40 virtual std::unique_ptr<TextLineBase> CreateTruncatedLine(double width, EllipsisModal ellipsisMode, 41 const std::string& ellipsisStr) const = 0; 42 43 virtual double GetTypographicBounds(double* ascent, double* descent, double* leading) const = 0; 44 45 virtual Drawing::Rect GetImageBounds() const = 0; 46 47 virtual double GetTrailingSpaceWidth() const = 0; 48 49 virtual int32_t GetStringIndexForPosition(SkPoint point) const = 0; 50 51 virtual double GetOffsetForStringIndex(int32_t index) const = 0; 52 53 virtual std::map<int32_t, double> GetIndexAndOffsets(bool& isHardBreak) const = 0; 54 55 virtual double GetAlignmentOffset(double alignmentFactor, double alignmentWidth) const = 0; 56 }; 57 } // namespace SPText 58 } // namespace Rosen 59 } // namespace OHOS 60 61 #endif // ROSEN_MODULES_SPTEXT_TEXT_LINE_BASE_H