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 // Created on: 1991-06-25
 // 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_HeaderFile
 #define _DBRep_HeaderFile
 
 #include <DBRep_Params.hxx>
 #include <Draw_Interpretor.hxx>
 #include <TopoDS_Shape.hxx>
 
 //! Used to display BRep objects using the DrawTrSurf
 //! package.
 //! The DrawableShape is a Display object build from a
 //! Shape.
 //! Provides methods to manage a directory of named shapes.
 //! Provides a set of Draw commands for Shapes.
 class DBRep
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   //! Creation of isoparametric curves.
   //! Implements ProgressIndicator for DRAW
   //! Sets <S> in the variable <Name>.
   //! Overwrite the variable if already set.
   Standard_EXPORT static void Set(const char* const Name, const TopoDS_Shape& S);
 
   //! Returns the shape in the variable.
   //! @param[in][out] theName   variable name, or "." to pick up shape interactively (the picked
   //! name will be returned then)
   //! @param[in] theType        shape type filter; function will return NULL if shape has different
   //! type
   //! @param[in] theToComplain  when TRUE, prints a message on cout if the variable is not set
   static TopoDS_Shape Get(const char*&     theName,
                           TopAbs_ShapeEnum theType       = TopAbs_SHAPE,
                           bool             theToComplain = false)
   {
     return getShape(theName, theType, theToComplain);
   }
 
   //! Returns the shape in the variable.
   //! @param[in][out] theName   variable name, or "." to pick up shape interactively (the picked
   //! name will be returned then)
   //! @param[in] theType        shape type filter; function will return NULL if shape has different
   //! type
   //! @param[in] theToComplain  when TRUE, prints a message on cout if the variable is not set
   static TopoDS_Shape Get(TCollection_AsciiString& theName,
                           TopAbs_ShapeEnum         theType       = TopAbs_SHAPE,
                           bool                     theToComplain = false)
   {
     const char*  aNamePtr = theName.ToCString();
     TopoDS_Shape aShape   = getShape(aNamePtr, theType, theToComplain);
     if (aNamePtr != theName.ToCString())
     {
       theName = aNamePtr;
     }
     return aShape;
   }
 
   //! Returns the shape in the variable.
   //! @param[in] theName  variable name
   //! @param[in] theType  shape type filter; function will return NULL if shape has different type
   //! @param[in] theToComplain  when TRUE, prints a message on cout if the variable is not set
   static TopoDS_Shape GetExisting(const TCollection_AsciiString& theName,
                                   TopAbs_ShapeEnum               theType       = TopAbs_SHAPE,
                                   bool                           theToComplain = false)
   {
     if (theName.Length() == 1 && theName.Value(1) == '.')
     {
       return TopoDS_Shape();
     }
 
     const char* aNamePtr = theName.ToCString();
     return getShape(aNamePtr, theType, theToComplain);
   }
 
   //! Defines the basic commands.
   Standard_EXPORT static void BasicCommands(Draw_Interpretor& theCommands);
 
   //! Return global parameters.
   Standard_EXPORT static DBRep_Params& Parameters();
 
   //! True if HLR, False if wireframe.
   static bool HLRMode() { return Parameters().WithHLR; }
 
   //! True if display Rg1Lines.
   static bool Rg1Mode() { return Parameters().WithRg1; }
 
   //! True if display RgNLines.
   static bool RgNMode() { return Parameters().WithRgN; }
 
   //! True if display HiddenLines.
   static bool HidMode() { return Parameters().WithHid; }
 
   //! discretisation angle for edges.
   static double HLRAngle() { return Parameters().HLRAngle; }
 
   //! number of iso in U and V
   static int NbIsos() { return Parameters().NbIsos; }
 
   //! Discretization number of points for curves
   static int Discretisation() { return Parameters().Discretization; }
 
 protected:
   //! Returns the shape in the variable.
   //! @param[in][out] theName   variable name, or "." to pick up shape interactively (the picked
   //! name will be returned then)
   //! @param[in] theType        shape type filter; function will return NULL if shape has different
   //! type
   //! @param[in] theToComplain  when TRUE, prints a message on cout if the variable is not set
   Standard_EXPORT static TopoDS_Shape getShape(const char*&     theName,
                                                TopAbs_ShapeEnum theType,
                                                bool             theToComplain);
 };
 
 #endif // _DBRep_HeaderFile

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