151 lines
4.1 KiB
C++
151 lines
4.1 KiB
C++
#pragma once
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#if defined(_WIN32)
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#if defined(MODERNGLUE_EXPORTS)
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#define GLUE_API __declspec(dllexport)
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#else
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#define GLUE_API __declspec(dllimport)
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#endif
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#else
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#define GLUE_API
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#endif
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namespace _cgal
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{
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struct Pt2d
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{
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double x, y;
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};
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struct Pt3d
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{
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double x, y, z;
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};
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template<class T>
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struct CgalArray
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{
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T *pData;
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int count;
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};
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typedef CgalArray<Pt2d> Pt2dArr;
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typedef CgalArray<Pt3d> Pt3dArr;
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// 多边形
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struct Polygon2d
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{
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Pt2dArr vertices;
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};
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struct Polygon3d
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{
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Pt3dArr vertices;
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};
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typedef CgalArray<Polygon2d> Polygon2dList;
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typedef CgalArray<Polygon3d> Polygon3dList;
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// 多边形带泂 polygon with holes
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struct Pwh2d
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{
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Polygon2d outer_boundary;
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Polygon2dList inner_holes;
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};
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// 带洞多边形数组
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typedef CgalArray<Pwh2d> Pwh2dList;
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typedef CgalArray<int> IntArray;
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enum Bounded_side
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{
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eOutside = -1,
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eIsPoint,
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eOnside,
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eInside,
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SIDE_ERROR,
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};
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}
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#ifdef __cplusplus
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extern "C"
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#endif
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{
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// 哪个dll申请内存,就在哪个dll内部释放.
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// 当 这里的函数以参数的e形式传出了 Pt2dArr 等数据块时,需要调用下面的free函数来释放
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// 当 向这里的接口传入 Pt2dArr 等数据块时, 千万不要调用下面的free函数来释放.
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GLUE_API void mg_cgal_free_Pt2dArray(_cgal::Pt2dArr &arr);
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GLUE_API void mg_cgal_free_Pt3dArray(_cgal::Pt3dArr &arr);
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GLUE_API void mg_cgal_free_Polygon2d(_cgal::Polygon2d &poly);
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GLUE_API void mg_cgal_free_Polygon3d(_cgal::Polygon3d &POly);
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GLUE_API void mg_cgal_free_Polygon2dList(_cgal::Polygon2dList &arr);
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GLUE_API void mg_cgal_free_Polygon3dList(_cgal::Polygon3dList &arr);
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GLUE_API void mg_cgal_free_Pwh2d(_cgal::Pwh2d &pwh);
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GLUE_API void mg_cgal_free_Pwh2dList(_cgal::Pwh2dList &arr);
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GLUE_API void mg_cgal_free_IntArray(_cgal::IntArray &arr);
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GLUE_API bool mg_cgal_less_xy(const _cgal::Pt2d &pt1, const _cgal::Pt2d &pt2);
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GLUE_API bool mg_cgal_less_xyz(const _cgal::Pt3d &pt1, const _cgal::Pt3d &pt2);
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///////////////////////////////////////////////////////////////////////////
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// 对pts做delaunary三角化，并保存成GePolyFaceMesh结构
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GLUE_API void mg_cgal_delaunayTriangulationMesh(const _cgal::Pt3dArr &arPts
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, _cgal::Pt3dArr &vertexArray
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, _cgal::IntArray &faceArray);
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GLUE_API void mg_cgal_delaunayTriangulationMeshWithHolds(const _cgal::Pt3dArr &arPts
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, const _cgal::Polygon3dList &holds
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, _cgal::Pt3dArr &vertexArray
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, _cgal::IntArray &faceArray);
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// 计算一堆点的凸包曲线
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// 传出是一个point数组，按顺序组成一条polygon
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GLUE_API void mg_cgal_calcConvexHull2D_2d_2d(const _cgal::Pt2dArr &arPts, _cgal::Pt2dArr &poly);
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GLUE_API void mg_cgal_calcConvexHull2D_3d_2d(const _cgal::Pt3dArr &arPts, _cgal::Pt2dArr &poly);
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GLUE_API void mg_cgal_calcConvexHull2D_3d_3d(const _cgal::Pt3dArr &arPts, _cgal::Pt3dArr &poly);
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GLUE_API _cgal::Bounded_side mg_cgal_boundary_check(const _cgal::Pt2d &pt, const _cgal::Pwh2d &gepwh);
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GLUE_API bool mg_cgal_is_vaild_polygon_with_hole(const _cgal::Pwh2d &geP);
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GLUE_API bool mg_cgal_is_vaild_polygon(const _cgal::Polygon2d &geP);
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GLUE_API bool mg_cgal_is_counterclockwise_with_hole(const _cgal::Pwh2d &geP);
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GLUE_API bool mg_cgal_is_counterclockwise(const _cgal::Pt2d &ptS
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, const _cgal::Pt2d &ptM
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, const _cgal::Pt2d &ptE );
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GLUE_API bool mg_cgal_is_intersect(const _cgal::Pwh2d &geP, const _cgal::Pwh2d &geQ);
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GLUE_API void mg_cgal_intersect(const _cgal::Pwh2d &geP
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, const _cgal::Pwh2d &geQ
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, _cgal::Pwh2dList &gepwhlst);
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GLUE_API bool mg_cgal_join(const _cgal::Pwh2d &geP
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, const _cgal::Pwh2d &geQ
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, _cgal::Pwh2d &gepwh);
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GLUE_API void mg_cgal_difference( const _cgal::Pwh2d &geP
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, const _cgal::Pwh2d &geQ
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, _cgal::Pwh2dList &gepwhlst);
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GLUE_API void mg_cgal_symmetric_difference( const _cgal::Pwh2d &geP
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, const _cgal::Pwh2d &geQ
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, _cgal::Pwh2dList &gepwhlst);
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GLUE_API void mg_cgal_sort_xy(const _cgal::Polygon2d &ge, _cgal::Polygon2d &out);
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GLUE_API void mg_cgal_sort_yx(const _cgal::Polygon2d &ge, _cgal::Polygon2d &out);
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GLUE_API void mg_cgal_convexHull2d(const _cgal::Pt2dArr &input, _cgal::Pt2dArr &output);
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#ifdef __cplusplus
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}
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#endif
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