139 lines
5.1 KiB
C++
139 lines
5.1 KiB
C++
/***************************************************************************
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* Copyright (c) 2013 Luke Parry <l.parry@warwick.ac.uk> *
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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 _TECHDRAW_GEOMETRYOBJECT_H
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#define _TECHDRAW_GEOMETRYOBJECT_H
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Compound.hxx>
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#include <HLRBRep_Data.hxx>
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#include <gp_Pnt.hxx>
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#include <Base/Vector3D.h>
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#include <string>
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#include <vector>
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#include "Geometry.h"
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//#include "DrawViewPart.h"
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namespace TechDraw
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{
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class DrawViewPart;
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class DrawView;
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}
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namespace TechDrawGeometry
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{
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//! scales & mirrors a shape about a center
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TopoDS_Shape TechDrawExport mirrorShape(const TopoDS_Shape &input,
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const gp_Pnt& inputCenter,
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double scale);
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//! Returns the centroid of shape, as viewed according to direction and xAxis
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gp_Pnt TechDrawExport findCentroid(const TopoDS_Shape &shape,
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const Base::Vector3d &direction,
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const Base::Vector3d &xAxis);
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class TechDrawExport GeometryObject
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{
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public:
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/// Constructor
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GeometryObject(TechDraw::DrawViewPart* parent);
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virtual ~GeometryObject();
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void clear();
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void setTolerance(double value);
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void setScale(double value);
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//! Returns 2D bounding box
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Base::BoundBox3d calcBoundingBox() const;
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const std::vector<Vertex *> & getVertexGeometry() const { return vertexGeom; };
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const std::vector<BaseGeom *> & getEdgeGeometry() const { return edgeGeom; };
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const std::vector<BaseGeom *> getVisibleFaceEdges() const;
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const std::vector<Face *> & getFaceGeometry() const { return faceGeom; };
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void projectShape(const TopoDS_Shape &input,
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const gp_Pnt& inputCenter,
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const Base::Vector3d &direction,
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const Base::Vector3d &xAxis);
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void extractGeometry(edgeClass category, bool visible);
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void addFaceGeom(Face * f);
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void clearFaceGeom();
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void setIsoCount(int i) { m_isoCount = i; }
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protected:
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//HLR output
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TopoDS_Shape visHard;
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TopoDS_Shape visOutline;
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TopoDS_Shape visSmooth;
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TopoDS_Shape visSeam;
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TopoDS_Shape visIso;
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TopoDS_Shape hidHard;
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TopoDS_Shape hidOutline;
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TopoDS_Shape hidSmooth;
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TopoDS_Shape hidSeam;
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TopoDS_Shape hidIso;
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void addGeomFromCompound(TopoDS_Shape edgeCompound, edgeClass category, bool visible);
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/// Helper for calcBoundingBox()
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/*! Note that the name of this function isn't totally accurate due to
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* TechDraw::Bsplines being composed of BezierSegments.
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*/
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Base::BoundBox3d boundingBoxOfBspline(const BSpline *spline) const;
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/// Helper for calcBoundingBox()
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/*!
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* AOE = arc of ellipse. Defaults allow this to be used for regular
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* ellipses as well as arcs.
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*/
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Base::BoundBox3d boundingBoxOfAoe(const Ellipse *aoe, double start = 0,
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double end = 2 * M_PI, bool cw = false) const;
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/// Helper for boundingBoxOf(Aoc|Aoe)()
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/*!
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* Returns true iff angle theta is in [first, last], where the arc goes
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* clockwise (cw=true) or counterclockwise (cw=false) from first to last.
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*/
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bool isWithinArc(double theta, double first, double last, bool cw) const;
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// Geometry
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std::vector<BaseGeom *> edgeGeom;
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std::vector<Vertex *> vertexGeom;
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std::vector<Face *> faceGeom;
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bool findVertex(Base::Vector2D v);
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double Tolerance;
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double Scale;
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TechDraw::DrawViewPart* m_parent;
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int m_isoCount;
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};
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} //namespace TechDrawGeometry
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#endif
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