1 /* 2 * Copyright (c) 2025 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 UTIL_PATH_H 17 #define UTIL_PATH_H 18 19 #include <vector> 20 21 #include "draw/path.h" 22 #include "draw/path_iterator.h" 23 #include "utils/point.h" 24 #include "utils/scalar.h" 25 26 namespace OHOS { 27 namespace Rosen { 28 namespace Drawing { 29 class UtilsPath { 30 public: 31 using BezierFunction = Point (*)(float t, const Point*); 32 static scalar Distance(const Point& p1, const Point& p2); 33 static void AddMove(const Point& toPoint, std::vector<Point>& approxPoints, std::vector<float>& approxLengths); 34 static void AddLine(const Point& toPoint, std::vector<Point>& approxPoints, std::vector<float>& approxLengths); 35 static Point CalculateQuadraticBezier(float t, const Point* points); 36 static Point CalculateCubicBezier(float t, const Point* points); 37 static void AddBezier(const Point* points, BezierFunction calculationBezier, std::vector<Point>& approxPoints, 38 std::vector<float>& approxLengths, float errorSquared, bool doubleCheckDivision); 39 static void AddConic(PathIter& pathIter, const Point* points, std::vector<Point>& approxPoints, 40 std::vector<float>& approxLengths, float errorConic); 41 }; 42 } // namespace Drawing 43 } // namespace Rosen 44 } // namespace OHOS 45 #endif 46