--- /dev/null
+// Created on: 1995-06-12
+// Created by: Joelle CHAUVET
+// Copyright (c) 1995-1999 Matra Datavision
+// Copyright (c) 1999-2014 OPEN CASCADE SAS
+//
+// This file is part of Open CASCADE Technology software library.
+//
+// This library is free software; you can redistribute it and/or modify it under
+// the terms of the GNU Lesser General Public License version 2.1 as published
+// by the Free Software Foundation, with special exception defined in the file
+// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
+// distribution for complete text of the license and disclaimer of any warranty.
+//
+// Alternatively, this file may be used under the terms of Open CASCADE
+// commercial license or contractual agreement.
+
+#ifndef _ChFi2d_Builder_HeaderFile
+#define _ChFi2d_Builder_HeaderFile
+
+#include <Standard.hxx>
+#include <Standard_DefineAlloc.hxx>
+#include <Standard_Handle.hxx>
+
+#include <ChFi2d_ConstructionError.hxx>
+#include <TopoDS_Face.hxx>
+#include <TopTools_SequenceOfShape.hxx>
+#include <TopTools_DataMapOfShapeShape.hxx>
+#include <Standard_Real.hxx>
+#include <Standard_Boolean.hxx>
+#include <Standard_Integer.hxx>
+class TopoDS_Face;
+class TopoDS_Edge;
+class TopoDS_Vertex;
+
+
+//! This class contains the algorithm used to build
+//! fillet on planar wire.
+class ChFi2d_Builder
+{
+public:
+
+ DEFINE_STANDARD_ALLOC
+
+
+ Standard_EXPORT ChFi2d_Builder();
+
+ //! The face <F> can be build on a closed or an open
+ //! wire.
+ Standard_EXPORT ChFi2d_Builder(const TopoDS_Face& F);
+
+ Standard_EXPORT void Init (const TopoDS_Face& F);
+
+ Standard_EXPORT void Init (const TopoDS_Face& RefFace, const TopoDS_Face& ModFace);
+
+ //! Add a fillet of radius <Radius> on the wire
+ //! between the two edges connected to the vertex <V>.
+ //! <AddFillet> returns the fillet edge. The returned
+ //! edge has sense only if the status <status> is
+ //! <IsDone>
+ Standard_EXPORT TopoDS_Edge AddFillet (const TopoDS_Vertex& V, const Standard_Real Radius);
+
+ //! modify the fillet radius and return the new fillet
+ //! edge. this edge has sense only if the status
+ //! <status> is <IsDone>.
+ Standard_EXPORT TopoDS_Edge ModifyFillet (const TopoDS_Edge& Fillet, const Standard_Real Radius);
+
+ //! removes the fillet <Fillet> and returns the vertex
+ //! connecting the two adjacent edges to this fillet.
+ Standard_EXPORT TopoDS_Vertex RemoveFillet (const TopoDS_Edge& Fillet);
+
+ //! Add a chamfer on the wire between the two edges
+ //! connected <E1> and <E2>. <AddChamfer> returns the
+ //! chamfer edge. This edge has sense only if the
+ //! status <status> is <IsDone>.
+ Standard_EXPORT TopoDS_Edge AddChamfer (const TopoDS_Edge& E1, const TopoDS_Edge& E2, const Standard_Real D1, const Standard_Real D2);
+
+ //! Add a chamfer on the wire between the two edges
+ //! connected to the vertex <V>. The chamfer will make
+ //! an angle <Ang> with the edge <E>, and one of its
+ //! extremities will be on <E> at distance <D>. The
+ //! returned edge has sense only if the status
+ //! <status> is <IsDone>.
+ //! Warning: The value of <Ang> must be expressed in Radian.
+ Standard_EXPORT TopoDS_Edge AddChamfer (const TopoDS_Edge& E, const TopoDS_Vertex& V, const Standard_Real D, const Standard_Real Ang);
+
+ //! modify the chamfer <Chamfer> and returns the new
+ //! chamfer edge.
+ //! This edge as sense only if the status <status> is
+ //! <IsDone>.
+ Standard_EXPORT TopoDS_Edge ModifyChamfer (const TopoDS_Edge& Chamfer, const TopoDS_Edge& E1, const TopoDS_Edge& E2, const Standard_Real D1, const Standard_Real D2);
+
+ //! modify the chamfer <Chamfer> and returns the new
+ //! chamfer edge. This edge as sense only if the
+ //! status <status> is <IsDone>.
+ //! Warning: The value of <Ang> must be expressed in Radian.
+ Standard_EXPORT TopoDS_Edge ModifyChamfer (const TopoDS_Edge& Chamfer, const TopoDS_Edge& E, const Standard_Real D, const Standard_Real Ang);
+
+ //! removes the chamfer <Chamfer> and returns the
+ //! vertex connecting the two adjacent edges to this
+ //! chamfer.
+ Standard_EXPORT TopoDS_Vertex RemoveChamfer (const TopoDS_Edge& Chamfer);
+
+ //! returns the modified face
+ TopoDS_Face Result() const;
+
+ Standard_Boolean IsModified (const TopoDS_Edge& E) const;
+
+ //! returns the list of new edges
+ const TopTools_SequenceOfShape& FilletEdges() const;
+
+ Standard_Integer NbFillet() const;
+
+ //! returns the list of new edges
+ const TopTools_SequenceOfShape& ChamferEdges() const;
+
+ Standard_Integer NbChamfer() const;
+
+ Standard_Boolean HasDescendant (const TopoDS_Edge& E) const;
+
+ //! returns the modified edge if <E> has descendant or
+ //! <E> in the other case.
+ const TopoDS_Edge& DescendantEdge (const TopoDS_Edge& E) const;
+
+ //! Returns the parent edge of <E>
+ //! Warning: If <E>is a basis edge, the returned edge would be
+ //! equal to <E>
+ Standard_EXPORT const TopoDS_Edge& BasisEdge (const TopoDS_Edge& E) const;
+
+ ChFi2d_ConstructionError Status() const;
+
+
+
+
+protected:
+
+
+
+
+
+private:
+
+
+ //! Is internaly used by <AddFillet>.
+ //! Warning: <TrimE1>, <TrimE2>, <Fillet> has sense only if the
+ //! status <status> is equal to <IsDone>
+ Standard_EXPORT void ComputeFillet (const TopoDS_Vertex& V, const TopoDS_Edge& E1, const TopoDS_Edge& E2, const Standard_Real Radius, TopoDS_Edge& TrimE1, TopoDS_Edge& TrimE2, TopoDS_Edge& Fillet);
+
+ //! Is internaly used by <AddChamfer>. The chamfer is
+ //! computed from a vertex, two edges and two
+ //! distances
+ //! Warning: <TrimE1>, <TrimE2> and <Chamfer> has sense only if
+ //! if the status <status> is equal to <IsDone>
+ Standard_EXPORT void ComputeChamfer (const TopoDS_Vertex& V, const TopoDS_Edge& E1, const TopoDS_Edge& E2, const Standard_Real D1, const Standard_Real D2, TopoDS_Edge& TrimE1, TopoDS_Edge& TrimE2, TopoDS_Edge& Chamfer);
+
+ //! Is internaly used by <AddChamfer>. The chamfer is
+ //! computed from an edge, a vertex, a distance
+ //! and an angle
+ //! Warning: <TrimE1>, <TrimE2>, and <Chamfer> has
+ //! sense only if the status <status> is equal to
+ //! <IsDone>
+ Standard_EXPORT void ComputeChamfer (const TopoDS_Vertex& V, const TopoDS_Edge& E1, const Standard_Real D, const Standard_Real Ang, const TopoDS_Edge& E2, TopoDS_Edge& TrimE1, TopoDS_Edge& TrimE2, TopoDS_Edge& Chamfer);
+
+ //! Is internaly used by <ComputeFillet>.
+ //! <NewExtr1> and <NewExtr2> will contains the new
+ //! extremities of <AdjEdge1> and <AdjEdge2>
+ //! Warning: The returned edge has sense only if the status
+ //! <status> is equal to <IsDone>
+ //! or to one of those specific cases :
+ //! <FirstEdgeDegenerated>
+ //! <LastEdgeDegenerated>
+ //! <BothEdgesDegenerated>
+ Standard_EXPORT TopoDS_Edge BuildFilletEdge (const TopoDS_Vertex& V, const TopoDS_Edge& AdjEdge1, const TopoDS_Edge& AdjEdge2, const Standard_Real Radius, TopoDS_Vertex& NewExtr1, TopoDS_Vertex& NewExtr2);
+
+ //! Is internaly used by <ComputeFillet>.
+ //! <NewExtr1> and <NewExtr2> will contains the new
+ //! extremities of <AdjEdge1> and <AdjEdge2>
+ //! Warning: The returned edge has sense only if the status
+ //! <status> is equal to <IsDone>
+ Standard_EXPORT TopoDS_Edge BuildChamferEdge (const TopoDS_Vertex& V, const TopoDS_Edge& AdjEdge1, const TopoDS_Edge& AdjEdge2, const Standard_Real D1, const Standard_Real D2, TopoDS_Vertex& NewExtr1, TopoDS_Vertex& NewExtr2);
+
+ //! Is internaly used by <ComputeFillet>.
+ //! <NewExtr1> and <NewExtr2> will contains the new
+ //! extremities of <AdjEdge1> and <AdjEdge2>
+ //! Warning: The returned edge has sense only if the status
+ //! <status> is equal to <IsDone>
+ Standard_EXPORT TopoDS_Edge BuildChamferEdge (const TopoDS_Vertex& V, const TopoDS_Edge& AdjEdge2, const Standard_Real D, const Standard_Real Ang, const TopoDS_Edge& AdjEdge1, TopoDS_Vertex& NewExtr1, TopoDS_Vertex& NewExtr2);
+
+ //! replaces in the new face <newFace> <OldE1> and
+ //! <OldE2> by <E1>, <Fillet> and <E2>
+ //! or by <Fillet> and <E2> if <E1> is degenerated
+ //! or by <E1> and <Fillet> if <E2> is degenerated
+ //! or by <Fillet> if <E1> and <E2> are degenerated .
+ Standard_EXPORT void BuildNewWire (const TopoDS_Edge& OldE1, const TopoDS_Edge& OldE2, const TopoDS_Edge& E1, const TopoDS_Edge& Fillet, const TopoDS_Edge& E2);
+
+ //! Changes <OldExtr> of <E1> by <NewExtr>
+ Standard_EXPORT TopoDS_Edge BuildNewEdge (const TopoDS_Edge& E1, const TopoDS_Vertex& OldExtr, const TopoDS_Vertex& NewExtr) const;
+
+ //! Changes <OldExtr> of <E1> by <NewExtr>
+ //! returns E1 and IsDegenerated = Standard_True
+ //! if the new edge is degenerated
+ Standard_EXPORT TopoDS_Edge BuildNewEdge (const TopoDS_Edge& E1, const TopoDS_Vertex& OldExtr, const TopoDS_Vertex& NewExtr, Standard_Boolean& IsDegenerated) const;
+
+ //! Writes <NewEdge> in <fillets> if <Id> is equal to
+ //! 1, or in <chamfers> if <Id> is Equal to 2.
+ //! Writes the modifications in <history> :
+ //! <TrimE1> is given by <E1>, <TrimE2> by <E2>
+ //! if <TrimE1> and <TrimE2> are not degenerated.
+ Standard_EXPORT void UpDateHistory (const TopoDS_Edge& E1, const TopoDS_Edge& E2, const TopoDS_Edge& TrimE1, const TopoDS_Edge& TrimE2, const TopoDS_Edge& NewEdge, const Standard_Integer Id);
+
+ //! Writes the modifications in <history> . <TrimE1>
+ //! is given by <E1>, <TrimE2> by <E2>.
+ Standard_EXPORT void UpDateHistory (const TopoDS_Edge& E1, const TopoDS_Edge& E2, const TopoDS_Edge& TrimE1, const TopoDS_Edge& TrimE2);
+
+ Standard_EXPORT Standard_Boolean IsAFillet (const TopoDS_Edge& E) const;
+
+ Standard_EXPORT Standard_Boolean IsAChamfer (const TopoDS_Edge& E) const;
+
+
+ ChFi2d_ConstructionError status;
+ TopoDS_Face refFace;
+ TopoDS_Face newFace;
+ TopTools_SequenceOfShape fillets;
+ TopTools_SequenceOfShape chamfers;
+ TopTools_DataMapOfShapeShape history;
+
+
+};
+
+
+#include <ChFi2d_Builder.lxx>
+
+
+
+
+
+#endif // _ChFi2d_Builder_HeaderFile
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