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#include "include/path2d.hpp"
#ifndef _USE_MATH_DEFINES#define _USE_MATH_DEFINES#include <math.h>#endif
extern "C" {  SkPath* sk_path_create() {    return new SkPath();  }  SkPath* sk_path_create_copy(SkPath* path) {    return new SkPath(*path);  }  SkPath* sk_path_from_svg_string(char* svg) {    SkPath* path = new SkPath();    SkParsePath::FromSVGString(svg, path);    return path;  }  void sk_path_begin(SkPath* path) {    path->reset();  }  void sk_path_move_to(SkPath* path, float x, float y) {    path->moveTo(x, y);  }  void sk_path_line_to(SkPath* path, float x, float y) {    path->lineTo(x, y);  }  void sk_path_rect(SkPath* path, float x, float y, float width, float height) {    path->addRect(SkRect::MakeXYWH(x, y, width, height));  }  void sk_path_round_rect(SkPath* path, float x, float y, float width, float height, float tl, float tr, float br, float bl) {    SkScalar radii[8] = { tl, tl, tr, tr, br, br, bl, bl };    path->addRoundRect(SkRect::MakeXYWH(x, y, width, height), radii);  }  void sk_path_close(SkPath* path) {    path->close();  }  void sk_path_arc_to(SkPath* path, float x1, float y1, float x2, float y2, float radius) {    path->arcTo(x1, y1, x2, y2, radius);  }  void sk_path_ellipse(SkPath* path, float x, float y, float radiusX, float radiusY, float rotation, float startAngle, float endAngle, bool clockwise) {    float tau = 2 * M_PI;    float newStartAngle = fmod(startAngle, tau);    if (newStartAngle < 0) {      newStartAngle += tau;    }    float delta = newStartAngle - startAngle;    startAngle = newStartAngle;    endAngle = endAngle + delta;    if (!clockwise && (endAngle - startAngle) >= tau) {      endAngle = startAngle + tau;    } else if (clockwise && (startAngle - endAngle) >= tau) {      endAngle = startAngle - tau;    } else if (!clockwise && startAngle > endAngle) {      endAngle = startAngle + (tau - fmod(startAngle - endAngle, tau));    } else if (clockwise && startAngle < endAngle) {      endAngle = startAngle - (tau - fmod(endAngle - startAngle, tau));    }    float left = x - radiusX;    float top = y - radiusY;    float right = x + radiusX;    float bottom = y + radiusY;    SkMatrix* rotated = new SkMatrix();    rotated->preTranslate(x, y);    rotated->preRotate(DEGREES(rotation));    rotated->preTranslate(-x, -y);    SkMatrix* unrotated = new SkMatrix();    rotated->invert(unrotated); // todo assert    path->transform(*unrotated, SkApplyPerspectiveClip::kYes);    float sweepDeg = DEGREES(endAngle - startAngle);    float startDeg = DEGREES(startAngle);    if (ALMOST_EQUAL(fabs(sweepDeg), 360.0f)) {      float halfSweep = sweepDeg / 2.0f;      path->arcTo(SkRect::MakeLTRB(left, top, right, bottom), startDeg, halfSweep, false);      path->arcTo(        SkRect::MakeLTRB(x - radiusX, y - radiusY, x + radiusX, y + radiusY),        startDeg + halfSweep,        halfSweep,        false      );    } else {      path->arcTo(SkRect::MakeLTRB(left, top, right, bottom), startDeg, sweepDeg, false);    }    path->transform(*rotated, SkApplyPerspectiveClip::kYes);    delete rotated;    delete unrotated;  }  void sk_path_arc(SkPath* path, float x, float y, float radius, float startAngle, float endAngle, bool clockwise) {    sk_path_ellipse(path, x, y, radius, radius, 0, startAngle, endAngle, clockwise);  }  void sk_path_bezier_curve_to(SkPath* path, float cp1x, float cp1y, float cp2x, float cp2y, float x, float y) {    path->cubicTo(cp1x, cp1y, cp2x, cp2y, x, y);  }  void sk_path_quadratic_curve_to(SkPath* path, float cpx, float cpy, float x, float y) {    path->quadTo(cpx, cpy, x, y);  }  int sk_path_is_point_in_path(SkPath* path, float x, float y, int rule) {    auto prev = path->getFillType();    path->setFillType(rule == 1 ? SkPathFillType::kEvenOdd : SkPathFillType::kWinding);    auto result = (int) path->contains(x, y);    path->setFillType(prev);    return result;  }  int sk_path_is_point_in_stroke(SkPath* path, float x, float y, float strokeWidth) {    auto prev = path->getFillType();    path->setFillType(SkPathFillType::kWinding);    SkPaint paint;    paint.setStyle(SkPaint::kStroke_Style);    paint.setStrokeWidth(strokeWidth);    SkPath traced;    int result;    if (skpathutils::FillPathWithPaint(*path, paint, &traced, nullptr, 0.3)) {      result = (int)traced.contains(x, y);    } else {      result = (int)path->contains(x, y);    }    path->setFillType(prev);    return result;  }  SkString* sk_path_to_svg(SkPath* path, const char** outString, int* outSize) {    auto string = new SkString(SkParsePath::ToSVGString(*path));    *outString = string->c_str();    *outSize = string->size();    return string;  }  int sk_path_simplify(SkPath* path) {    return (int) Simplify(*path, path);  }  int sk_path_as_winding(SkPath* path) {    return (int) AsWinding(*path, path);  }  int sk_path_op(SkPath* p1, SkPath* p2, int op) {    return (int) Op(*p1, *p2, (SkPathOp)op, p1);  }  void sk_path_add_path(SkPath* p1, SkPath* p2, float* t) {    SkMatrix* mat = new SkMatrix();    if (t != nullptr) {      mat->setAll(t[0], t[1], t[2], t[3], t[4], t[5], 0.0f, 0.0f, 1.0f);    }    p1->addPath(*p2, *mat, SkPath::AddPathMode::kExtend_AddPathMode);    delete mat;  }  void sk_free_string(SkString* str) {    delete str;  }  void sk_path_destroy(SkPath* path) {    delete path;  }}