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/***************************************************************************
* Copyright (c) 2019 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 PART_BREPOFFSETAPI_MAKEOFFSETFIX_H
#define PART_BREPOFFSETAPI_MAKEOFFSETFIX_H
#include <list>
#include <map>
#include <Mod/Part/PartGlobal.h>
#include <BRepOffsetAPI_MakeOffset.hxx>
#include <GeomAbs_CurveType.hxx>
#include <Standard_Version.hxx>
namespace Part
{
/*!
* \brief The BRepOffsetAPI_MakeOffsetFix class
* This class works around a limitation of the BRepOffsetAPI_MakeOffset which
* returns unexpected results when an input wire has set a placement and consists
* of a single edge only.
*/
class PartExport BRepOffsetAPI_MakeOffsetFix: public BRepBuilderAPI_MakeShape
{
public:
BRepOffsetAPI_MakeOffsetFix();
BRepOffsetAPI_MakeOffsetFix(const GeomAbs_JoinType Join, const Standard_Boolean IsOpenResult);
~BRepOffsetAPI_MakeOffsetFix() override;
//! Initializes the algorithm to construct parallels to the wire Spine.
void AddWire(const TopoDS_Wire& Spine);
//! Computes a parallel to the spine at distance Offset and
//! at an altitude Alt from the plane of the spine in relation
//! to the normal to the spine.
//! Exceptions: StdFail_NotDone if the offset is not built.
void Perform(const Standard_Real Offset, const Standard_Real Alt = 0.0);
//! Builds the resulting shape (redefined from MakeShape).
#if OCC_VERSION_HEX >= 0x070600
void Build(const Message_ProgressRange& theRange = Message_ProgressRange()) override;
#else
void Build() override;
#endif
//! Initializes the algorithm to construct parallels to the spine Spine.
//! Join defines the type of parallel generated by the
//! salient vertices of the spine.
//! The default type is GeomAbs_Arc where the vertices generate
//! sections of a circle.
//! If join type is GeomAbs_Intersection, the edges that
//! intersect in a salient vertex generate the edges
//! prolonged until intersection.
void Init(
const TopoDS_Face& Spine,
const GeomAbs_JoinType Join = GeomAbs_Arc,
const Standard_Boolean IsOpenResult = Standard_False
);
//! Initialize the evaluation of Offsetting.
void Init(
const GeomAbs_JoinType Join = GeomAbs_Arc,
const Standard_Boolean IsOpenResult = Standard_False
);
Standard_Boolean IsDone() const override;
//! Returns a shape built by the shape construction algorithm.
//! Raises exception StdFail_NotDone if the shape was not built.
const TopoDS_Shape& Shape() override;
//! returns a list of the created shapes
//! from the shape <S>.
const TopTools_ListOfShape& Generated(const TopoDS_Shape& S) override;
//! Returns the list of shapes modified from the shape
//! <S>.
const TopTools_ListOfShape& Modified(const TopoDS_Shape& S) override;
//! Returns true if the shape S has been deleted.
Standard_Boolean IsDeleted(const TopoDS_Shape& S) override;
//! Replaces the given curve type with a B-Spline. Input shape <S>
//! must be a wire or a compound of wires
TopoDS_Shape Replace(GeomAbs_CurveType, const TopoDS_Shape& S) const;
private:
TopoDS_Wire ReplaceEdges(GeomAbs_CurveType, const TopoDS_Wire& S) const;
void MakeWire(TopoDS_Shape&);
private:
BRepOffsetAPI_MakeOffset mkOffset;
std::list<std::pair<TopoDS_Shape, TopLoc_Location>> myLocations;
TopoDS_Shape myResult;
};
} // namespace Part
#endif // PART_BREPOFFSETAPI_MAKEOFFSETFIX_H
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