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138 lines
4.6 KiB
C++
138 lines
4.6 KiB
C++
// Created on: 2007-09-10
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// Created by: Igor FEOKTISTOV
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// Copyright (c) 2007-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _BRepLib_FuseEdges_HeaderFile
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#define _BRepLib_FuseEdges_HeaderFile
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#include <Standard.hxx>
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#include <Standard_DefineAlloc.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopTools_IndexedDataMapOfShapeListOfShape.hxx>
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#include <TopTools_DataMapOfIntegerListOfShape.hxx>
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#include <TopTools_DataMapOfIntegerShape.hxx>
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#include <TopTools_DataMapOfShapeShape.hxx>
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#include <Standard_Integer.hxx>
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#include <TopTools_IndexedMapOfShape.hxx>
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#include <TopTools_MapOfShape.hxx>
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#include <TopTools_ListOfShape.hxx>
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class TopoDS_Vertex;
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class TopoDS_Edge;
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//! This class can detect vertices in a face that can
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//! be considered useless and then perform the fuse of
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//! the edges and remove the useless vertices. By
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//! useles vertices, we mean :
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//! * vertices that have exactly two connex edges
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//! * the edges connex to the vertex must have
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//! exactly the same 2 connex faces .
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//! * The edges connex to the vertex must have the
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//! same geometric support.
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class BRepLib_FuseEdges
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Initialise members and build construction of map
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//! of ancestors.
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Standard_EXPORT BRepLib_FuseEdges(const TopoDS_Shape& theShape, const Standard_Boolean PerformNow = Standard_False);
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//! set edges to avoid being fused
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Standard_EXPORT void AvoidEdges (const TopTools_IndexedMapOfShape& theMapEdg);
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//! set mode to enable concatenation G1 BSpline edges in one
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//! End Modified by IFV 19.04.07
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Standard_EXPORT void SetConcatBSpl (const Standard_Boolean theConcatBSpl = Standard_True);
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//! returns all the list of edges to be fused
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//! each list of the map represent a set of connex edges
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//! that can be fused.
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Standard_EXPORT void Edges (TopTools_DataMapOfIntegerListOfShape& theMapLstEdg);
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//! returns all the fused edges. each integer entry in
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//! the map corresponds to the integer in the
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//! DataMapOfIntegerListOfShape we get in method
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//! Edges. That is to say, to the list of edges in
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//! theMapLstEdg(i) corresponds the resulting edge theMapEdge(i)
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Standard_EXPORT void ResultEdges (TopTools_DataMapOfIntegerShape& theMapEdg);
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//! returns the map of modified faces.
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Standard_EXPORT void Faces (TopTools_DataMapOfShapeShape& theMapFac);
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//! returns myShape modified with the list of internal
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//! edges removed from it.
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Standard_EXPORT TopoDS_Shape& Shape();
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//! returns the number of vertices candidate to be removed
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Standard_EXPORT Standard_Integer NbVertices();
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//! Using map of list of connex edges, fuse each list to
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//! one edge and then update myShape
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Standard_EXPORT void Perform();
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protected:
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private:
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//! Build the all the lists of edges that are to be fused
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Standard_EXPORT void BuildListEdges();
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//! Build result fused edges according to the list
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//! builtin BuildLisEdges
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Standard_EXPORT void BuildListResultEdges();
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Standard_EXPORT void BuildListConnexEdge (const TopoDS_Shape& theEdge, TopTools_MapOfShape& theMapUniq, TopTools_ListOfShape& theLstEdg);
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Standard_EXPORT Standard_Boolean NextConnexEdge (const TopoDS_Vertex& theVertex, const TopoDS_Shape& theEdge, TopoDS_Shape& theEdgeConnex) const;
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Standard_EXPORT Standard_Boolean SameSupport (const TopoDS_Edge& E1, const TopoDS_Edge& E2) const;
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Standard_EXPORT Standard_Boolean UpdatePCurve (const TopoDS_Edge& theOldEdge, TopoDS_Edge& theNewEdge, const TopTools_ListOfShape& theLstEdg) const;
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TopoDS_Shape myShape;
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Standard_Boolean myShapeDone;
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Standard_Boolean myEdgesDone;
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Standard_Boolean myResultEdgesDone;
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TopTools_IndexedDataMapOfShapeListOfShape myMapVerLstEdg;
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TopTools_IndexedDataMapOfShapeListOfShape myMapEdgLstFac;
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TopTools_DataMapOfIntegerListOfShape myMapLstEdg;
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TopTools_DataMapOfIntegerShape myMapEdg;
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TopTools_DataMapOfShapeShape myMapFaces;
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Standard_Integer myNbConnexEdge;
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TopTools_IndexedMapOfShape myAvoidEdg;
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Standard_Boolean myConcatBSpl;
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};
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#endif // _BRepLib_FuseEdges_HeaderFile
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