1 // Created on: 1999-06-17 2 // Created by: data exchange team 3 // Copyright (c) 1999 Matra Datavision 4 // Copyright (c) 1999-2014 OPEN CASCADE SAS 5 // 6 // This file is part of Open CASCADE Technology software library. 7 // 8 // This library is free software; you can redistribute it and/or modify it under 9 // the terms of the GNU Lesser General Public License version 2.1 as published 10 // by the Free Software Foundation, with special exception defined in the file 11 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT 12 // distribution for complete text of the license and disclaimer of any warranty. 13 // 14 // Alternatively, this file may be used under the terms of Open CASCADE 15 // commercial license or contractual agreement. 16 17 #ifndef _ShapeCustom_ConvertToBSpline_HeaderFile 18 #define _ShapeCustom_ConvertToBSpline_HeaderFile 19 20 #include <Standard.hxx> 21 #include <Standard_Type.hxx> 22 23 #include <Standard_Boolean.hxx> 24 #include <ShapeCustom_Modification.hxx> 25 #include <Standard_Real.hxx> 26 #include <GeomAbs_Shape.hxx> 27 class TopoDS_Face; 28 class Geom_Surface; 29 class TopLoc_Location; 30 class TopoDS_Edge; 31 class Geom_Curve; 32 class TopoDS_Vertex; 33 class gp_Pnt; 34 class Geom2d_Curve; 35 36 37 class ShapeCustom_ConvertToBSpline; 38 DEFINE_STANDARD_HANDLE(ShapeCustom_ConvertToBSpline, ShapeCustom_Modification) 39 40 //! implement a modification for BRepTools 41 //! Modifier algorithm. Converts Surface of 42 //! Linear Exctrusion, Revolution and Offset 43 //! surfaces into BSpline Surface according to 44 //! flags. 45 class ShapeCustom_ConvertToBSpline : public ShapeCustom_Modification 46 { 47 48 public: 49 50 51 Standard_EXPORT ShapeCustom_ConvertToBSpline(); 52 53 //! Sets mode for conversion of Surfaces of Linear 54 //! extrusion. 55 Standard_EXPORT void SetExtrusionMode (const Standard_Boolean extrMode); 56 57 //! Sets mode for conversion of Surfaces of Revolution. 58 Standard_EXPORT void SetRevolutionMode (const Standard_Boolean revolMode); 59 60 //! Sets mode for conversion of Offset surfaces. 61 Standard_EXPORT void SetOffsetMode (const Standard_Boolean offsetMode); 62 63 //! Sets mode for conversion of Plane surfaces. 64 Standard_EXPORT void SetPlaneMode (const Standard_Boolean planeMode); 65 66 //! Returns Standard_True if the face <F> has been 67 //! modified. In this case, <S> is the new geometric 68 //! support of the face, <L> the new location, <Tol> 69 //! the new tolerance. Otherwise, returns 70 //! Standard_False, and <S>, <L>, <Tol> are not 71 //! significant. 72 Standard_EXPORT Standard_Boolean NewSurface (const TopoDS_Face& F, Handle(Geom_Surface)& S, TopLoc_Location& L, Standard_Real& Tol, Standard_Boolean& RevWires, Standard_Boolean& RevFace) Standard_OVERRIDE; 73 74 //! Returns Standard_True if the edge <E> has been 75 //! modified. In this case, <C> is the new geometric 76 //! support of the edge, <L> the new location, <Tol> 77 //! the new tolerance. Otherwise, returns 78 //! Standard_False, and <C>, <L>, <Tol> are not 79 //! significant. 80 Standard_EXPORT Standard_Boolean NewCurve (const TopoDS_Edge& E, Handle(Geom_Curve)& C, TopLoc_Location& L, Standard_Real& Tol) Standard_OVERRIDE; 81 82 //! Returns Standard_True if the vertex <V> has been 83 //! modified. In this case, <P> is the new geometric 84 //! support of the vertex, <Tol> the new tolerance. 85 //! Otherwise, returns Standard_False, and <P>, <Tol> 86 //! are not significant. 87 Standard_EXPORT Standard_Boolean NewPoint (const TopoDS_Vertex& V, gp_Pnt& P, Standard_Real& Tol) Standard_OVERRIDE; 88 89 //! Returns Standard_True if the edge <E> has a new 90 //! curve on surface on the face <F>.In this case, <C> 91 //! is the new geometric support of the edge, <L> the 92 //! new location, <Tol> the new tolerance. 93 //! 94 //! Otherwise, returns Standard_False, and <C>, <L>, 95 //! <Tol> are not significant. 96 //! 97 //! <NewE> is the new edge created from <E>. <NewF> 98 //! is the new face created from <F>. They may be useful. 99 Standard_EXPORT Standard_Boolean NewCurve2d (const TopoDS_Edge& E, const TopoDS_Face& F, const TopoDS_Edge& NewE, const TopoDS_Face& NewF, Handle(Geom2d_Curve)& C, Standard_Real& Tol) Standard_OVERRIDE; 100 101 //! Returns Standard_True if the Vertex <V> has a new 102 //! parameter on the edge <E>. In this case, <P> is 103 //! the parameter, <Tol> the new tolerance. 104 //! Otherwise, returns Standard_False, and <P>, <Tol> 105 //! are not significant. 106 Standard_EXPORT Standard_Boolean NewParameter (const TopoDS_Vertex& V, const TopoDS_Edge& E, Standard_Real& P, Standard_Real& Tol) Standard_OVERRIDE; 107 108 //! Returns the continuity of <NewE> between <NewF1> 109 //! and <NewF2>. 110 //! 111 //! <NewE> is the new edge created from <E>. <NewF1> 112 //! (resp. <NewF2>) is the new face created from <F1> 113 //! (resp. <F2>). 114 Standard_EXPORT GeomAbs_Shape Continuity (const TopoDS_Edge& E, const TopoDS_Face& F1, const TopoDS_Face& F2, const TopoDS_Edge& NewE, const TopoDS_Face& NewF1, const TopoDS_Face& NewF2) Standard_OVERRIDE; 115 116 117 118 119 DEFINE_STANDARD_RTTIEXT(ShapeCustom_ConvertToBSpline,ShapeCustom_Modification) 120 121 protected: 122 123 124 125 126 private: 127 128 129 Standard_EXPORT Standard_Boolean IsToConvert (const Handle(Geom_Surface)& S, Handle(Geom_Surface)& SS) const; 130 131 Standard_Boolean myExtrMode; 132 Standard_Boolean myRevolMode; 133 Standard_Boolean myOffsetMode; 134 Standard_Boolean myPlaneMode; 135 136 137 }; 138 139 140 141 142 143 144 145 #endif // _ShapeCustom_ConvertToBSpline_HeaderFile 146