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create/src/Mod/Mesh/App/Core/Projection.h
2019-05-11 15:14:04 +02:00

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/***************************************************************************
* Copyright (c) 2005 Werner Mayer <wmayer[at]users.sourceforge.net> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#ifndef MESH_PROJECTION_H
#define MESH_PROJECTION_H
#include <vector>
#include <Base/BoundBox.h>
#include <Base/Vector3D.h>
using Base::Vector3f;
#ifdef FC_USE_OCC
class TopoDS_Edge;
class TopoDS_Shape;
#endif
namespace MeshCore
{
class MeshFacetGrid;
class MeshKernel;
class MeshGeomFacet;
class MeshExport MeshProjection
{
public:
MeshProjection(const MeshKernel&);
~MeshProjection();
bool projectLineOnMesh(const MeshFacetGrid& grid, const Base::Vector3f& p1, unsigned long f1,
const Base::Vector3f& p2, unsigned long f2, const Base::Vector3f& view,
std::vector<Base::Vector3f>& polyline);
protected:
bool bboxInsideRectangle (const Base::BoundBox3f& bbox, const Base::Vector3f& p1, const Base::Vector3f& p2, const Base::Vector3f& view) const;
bool isPointInsideDistance (const Base::Vector3f& p1, const Base::Vector3f& p2, const Base::Vector3f& pt) const;
bool connectLines(std::list< std::pair<Base::Vector3f, Base::Vector3f> >& cutLines, const Base::Vector3f& startPoint,
const Base::Vector3f& endPoint, std::vector<Base::Vector3f>& polyline) const;
private:
const MeshKernel& kernel;
};
} // namespace MeshCore
#endif // MESH_PROJECTION_H