// Created on: 1991-07-04 // Created by: Christophe MARION // Copyright (c) 1991-1999 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 _DBRep_DrawableShape_HeaderFile #define _DBRep_DrawableShape_HeaderFile #include #include #include #include #include #include #include #include #include #include class Draw_Display; class Poly_Triangulation; class gp_Trsf; //! Drawable structure to display a shape. Contains a //! list of edges and a list of faces. class DBRep_DrawableShape : public Draw_Drawable3D { DEFINE_STANDARD_RTTIEXT(DBRep_DrawableShape, Draw_Drawable3D) Draw_Drawable3D_FACTORY public: Standard_EXPORT DBRep_DrawableShape(const TopoDS_Shape& C, const Draw_Color& FreeCol, const Draw_Color& ConnCol, const Draw_Color& EdgeCol, const Draw_Color& IsosCol, const Standard_Real size, const Standard_Integer nbisos, const Standard_Integer discret); //! Changes the number of isoparametric curves in a shape. Standard_EXPORT void ChangeNbIsos (const Standard_Integer NbIsos); //! Returns the number of isoparametric curves in a shape. Standard_EXPORT Standard_Integer NbIsos() const; //! Changes the number of isoparametric curves in a shape. Standard_EXPORT void ChangeDiscret (const Standard_Integer Discret); //! Returns the discretisation value of curve Standard_EXPORT Standard_Integer Discret() const; //! Return const & Standard_EXPORT TopoDS_Shape Shape() const; //! When True the orientations of the edges and free //! vertices are displayed. Standard_EXPORT void DisplayOrientation (const Standard_Boolean D); //! When True the triangulations of the faces //! are displayed even if there is a surface. Standard_EXPORT void DisplayTriangulation (const Standard_Boolean D); //! When True the polygons of the edges //! are displayed even if there is a geometric curve. Standard_EXPORT void DisplayPolygons (const Standard_Boolean D); //! Performs Hidden lines. Standard_EXPORT void DisplayHLR (const Standard_Boolean withHLR, const Standard_Boolean withRg1, const Standard_Boolean withRgN, const Standard_Boolean withHid, const Standard_Real ang); Standard_EXPORT Standard_Boolean DisplayTriangulation() const; Standard_EXPORT Standard_Boolean DisplayPolygons() const; Standard_EXPORT void GetDisplayHLR (Standard_Boolean& withHLR, Standard_Boolean& withRg1, Standard_Boolean& withRgN, Standard_Boolean& withHid, Standard_Real& ang) const; Standard_EXPORT void DrawOn (Draw_Display& dis) const Standard_OVERRIDE; Standard_EXPORT void DisplayHiddenLines (Draw_Display& dis); //! For variable copy. Standard_EXPORT virtual Handle(Draw_Drawable3D) Copy() const Standard_OVERRIDE; //! For variable dump. Standard_EXPORT virtual void Dump (Standard_OStream& S) const Standard_OVERRIDE; //! Save drawable into stream. Standard_EXPORT virtual void Save (Standard_OStream& theStream) const Standard_OVERRIDE; //! For variable whatis command. Standard_EXPORT virtual void Whatis (Draw_Interpretor& I) const Standard_OVERRIDE; //! Returns the subshape touched by the last pick. //! u,v are the parameters of the closest point. Standard_EXPORT static void LastPick (TopoDS_Shape& S, Standard_Real& u, Standard_Real& v); public: //! Auxiliary method computing nodal normals for presentation purposes. //! @param theNormals [out] vector of computed normals (pair of points [from, to]) //! @param theFace [in] input face //! @param theLength [in] normal length //! @return FALSE if normals can not be computed Standard_EXPORT static Standard_Boolean addMeshNormals (NCollection_Vector >& theNormals, const TopoDS_Face& theFace, const Standard_Real theLength); //! Auxiliary method computing nodal normals for presentation purposes. //! @param theNormals [out] map of computed normals (grouped per Face) //! @param theShape [in] input shape which will be exploded into Faces //! @param theLength [in] normal length Standard_EXPORT static void addMeshNormals (NCollection_DataMap > > & theNormals, const TopoDS_Shape& theShape, const Standard_Real theLength); //! Auxiliary method computing surface normals distributed within the Face for presentation purposes. //! @param theNormals [out] vector of computed normals (pair of points [from, to]) //! @param theFace [in] input face //! @param theLength [in] normal length //! @param theNbAlongU [in] number along U //! @param theNbAlongV [in] number along V //! @return FALSE if normals can not be computed Standard_EXPORT static Standard_Boolean addSurfaceNormals (NCollection_Vector >& theNormals, const TopoDS_Face& theFace, const Standard_Real theLength, const Standard_Integer theNbAlongU, const Standard_Integer theNbAlongV); //! Auxiliary method computing surface normals distributed within the Face for presentation purposes. //! @param theNormals [out] map of computed normals (grouped per Face) //! @param theShape [in] input shape which will be exploded into Faces //! @param theLength [in] normal length //! @param theNbAlongU [in] number along U //! @param theNbAlongV [in] number along V //! @return FALSE if normals can not be computed Standard_EXPORT static void addSurfaceNormals (NCollection_DataMap > >& theNormals, const TopoDS_Shape& theShape, const Standard_Real theLength, const Standard_Integer theNbAlongU, const Standard_Integer theNbAlongV); private: void display (const Handle(Poly_Triangulation)& T, const gp_Trsf& tr, Draw_Display& dis) const; //! Updates internal data necessary for display void updateDisplayData () const; private: TopoDS_Shape myShape; mutable DBRep_ListOfEdge myEdges; mutable DBRep_ListOfFace myFaces; DBRep_ListOfHideData myHidData; Standard_Real mySize; Standard_Integer myDiscret; Draw_Color myFreeCol; Draw_Color myConnCol; Draw_Color myEdgeCol; Draw_Color myIsosCol; Standard_Integer myNbIsos; Standard_Boolean myDispOr; Standard_Boolean mytriangulations; Standard_Boolean mypolygons; Standard_Boolean myHLR; Standard_Boolean myRg1; Standard_Boolean myRgN; Standard_Boolean myHid; Standard_Real myAng; }; DEFINE_STANDARD_HANDLE(DBRep_DrawableShape, Draw_Drawable3D) #endif // _DBRep_DrawableShape_HeaderFile