104 lines
3.8 KiB
C++
104 lines
3.8 KiB
C++
/***************************************************************************
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* Copyright (c) 2016 Victor Titov (DeepSOIC) <vv.titov@gmail.com> *
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* *
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* This file is part of the FreeCAD CAx development system. *
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* *
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* This library is free software; you can redistribute it and/or *
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* modify it under the terms of the GNU Library General Public *
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* License as published by the Free Software Foundation; either *
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* version 2 of the License, or (at your option) any later version. *
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* *
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* This library is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Library General Public License for more details. *
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* *
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* You should have received a copy of the GNU Library General Public *
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* License along with this library; see the file COPYING.LIB. If not, *
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* write to the Free Software Foundation, Inc., 59 Temple Place, *
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* Suite 330, Boston, MA 02111-1307, USA *
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* *
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***************************************************************************/
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#ifndef PART_FACEMAKER_BULLSEYE_H
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#define PART_FACEMAKER_BULLSEYE_H
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#include "FaceMaker.h"
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#include <Geom_Surface.hxx>
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#include <gp_Pln.hxx>
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namespace Part
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{
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/**
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* @brief The FaceMakerBullseye class is a tool to make planar faces with holes,
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* where there can be additional faces inside holes and they can have holes too
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* and so on.
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*
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* Strengths: makes faces with holes with islands
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*
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* Weaknesses: faces of one compound must be on same plane. TBD
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*/
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class PartExport FaceMakerBullseye: public FaceMakerPublic
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{
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TYPESYSTEM_HEADER_WITH_OVERRIDE();
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public:
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FaceMakerBullseye() = default;
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/**
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* @brief setPlane: sets the plane to use when making faces. This is
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* optional. If the plane was set, it is not tested that the wires are
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* planar or on the supplied plane, potentially speeding things up.
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* @param plane FIXME: the plane is not propagated if processing compounds.
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*/
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void setPlane(const gp_Pln& plane);
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std::string getUserFriendlyName() const override;
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std::string getBriefExplanation() const override;
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protected:
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void Build_Essence() override;
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protected:
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gp_Pln myPlane; //externally supplied plane (if any)
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bool planeSupplied{false};
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/**
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* @brief The FaceDriller class is similar to BRepBuilderAPI_MakeFace,
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* except that it is tolerant to wire orientation (wires are oriented as
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* needed automatically).
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*/
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class FaceDriller
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{
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public:
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FaceDriller(const gp_Pln& plane, TopoDS_Wire outerWire);
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/**
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* @brief hitTest: returns True if point is on the face
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* @param point
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*/
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bool hitTest(const gp_Pnt& point) const;
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void addHole(TopoDS_Wire w);
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const TopoDS_Face& Face() const {return myFace;}
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public:
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/**
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* @brief wireDirection: determines direction of wire with respect to
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* myPlane.
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* @param w
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* @return 1 = CCW (suits as outer wire), -1 = CW (suits as hole)
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*/
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static int getWireDirection(const gp_Pln &plane, const TopoDS_Wire &w);
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private:
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gp_Pln myPlane;
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TopoDS_Face myFace;
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Handle(Geom_Surface) myHPlane;
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};
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};
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}//namespace Part
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#endif // PART_FACEMAKER_BULLSEYE_H
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