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 // Created on: 1991-12-02
 // Created by: Laurent PAINNOT
 // 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 _AppParCurves_MultiPoint_HeaderFile
 #define _AppParCurves_MultiPoint_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 #include <Standard_Handle.hxx>
 
 #include <Standard_Integer.hxx>
 #include <TColgp_Array1OfPnt.hxx>
 #include <TColgp_Array1OfPnt2d.hxx>
 #include <Standard_Real.hxx>
 #include <Standard_OStream.hxx>
 class Standard_Transient;
 class gp_Pnt;
 class gp_Pnt2d;
 
 //! This class describes Points composing a MultiPoint.
 //! These points can be 2D or 3D. The user must first give the
 //! 3D Points and then the 2D Points.
 //! They are Poles of a Bezier Curve.
 //! This class is used either to define data input or
 //! results when performing the approximation of several lines in parallel.
 class AppParCurves_MultiPoint
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   //! creates an indefinite MultiPoint.
   Standard_EXPORT AppParCurves_MultiPoint();
 
   //! constructs a set of Points used to approximate a
   //! Multiline.
   //! These Points can be of 2 or 3 dimensions.
   //! Points will be initialized with SetPoint and SetPoint2d.
   //! NbPoints is the number of 3D Points.
   //! NbPoints2d is the number of 2D Points.
   Standard_EXPORT AppParCurves_MultiPoint(const Standard_Integer NbPoints,
                                           const Standard_Integer NbPoints2d);
 
   //! creates a MultiPoint only composed of 3D points.
   Standard_EXPORT AppParCurves_MultiPoint(const TColgp_Array1OfPnt& tabP);
 
   //! creates a MultiPoint only composed of 2D points.
   Standard_EXPORT AppParCurves_MultiPoint(const TColgp_Array1OfPnt2d& tabP2d);
 
   //! constructs a set of Points used to approximate a
   //! Multiline.
   //! These Points can be of 2 or 3 dimensions.
   //! Points will be initialized with SetPoint and SetPoint2d.
   //! NbPoints is the total number of Points.
   Standard_EXPORT AppParCurves_MultiPoint(const TColgp_Array1OfPnt&   tabP,
                                           const TColgp_Array1OfPnt2d& tabP2d);
   Standard_EXPORT virtual ~AppParCurves_MultiPoint();
 
   //! the 3d Point of range Index of this MultiPoint is
   //! set to <Point>.
   //! An exception is raised if Index < 0 or
   //! Index > number of 3d Points.
   Standard_EXPORT void SetPoint(const Standard_Integer Index, const gp_Pnt& Point);
 
   //! returns the 3d Point of range Index.
   //! An exception is raised if Index < 0 or
   //! Index < number of 3d Points.
   Standard_EXPORT const gp_Pnt& Point(const Standard_Integer Index) const;
 
   //! The 2d Point of range Index is set to <Point>.
   //! An exception is raised if Index > 3d Points or
   //! Index > total number of Points.
   Standard_EXPORT void SetPoint2d(const Standard_Integer Index, const gp_Pnt2d& Point);
 
   //! returns the 2d Point of range Index.
   //! An exception is raised if index <= number of
   //! 3d Points or Index > total number of Points.
   Standard_EXPORT const gp_Pnt2d& Point2d(const Standard_Integer Index) const;
 
   //! returns the dimension of the point of range Index.
   //! An exception is raised if Index <0 or Index > NbCurves.
   Standard_Integer Dimension(const Standard_Integer Index) const;
 
   //! returns the number of points of dimension 3D.
   Standard_Integer NbPoints() const;
 
   //! returns the number of points of dimension 2D.
   Standard_Integer NbPoints2d() const;
 
   //! Applies a transformation to the curve of range
   //! <CuIndex>.
   //! newx = x + dx*oldx
   //! newy = y + dy*oldy    for all points of the curve.
   //! newz = z + dz*oldz
   Standard_EXPORT void Transform(const Standard_Integer CuIndex,
                                  const Standard_Real    x,
                                  const Standard_Real    dx,
                                  const Standard_Real    y,
                                  const Standard_Real    dy,
                                  const Standard_Real    z,
                                  const Standard_Real    dz);
 
   //! Applies a transformation to the Curve of range
   //! <CuIndex>.
   //! newx = x + dx*oldx
   //! newy = y + dy*oldy    for all points of the curve.
   Standard_EXPORT void Transform2d(const Standard_Integer CuIndex,
                                    const Standard_Real    x,
                                    const Standard_Real    dx,
                                    const Standard_Real    y,
                                    const Standard_Real    dy);
 
   //! Prints on the stream o information on the current
   //! state of the object.
   //! Is used to redefine the operator <<.
   Standard_EXPORT virtual void Dump(Standard_OStream& o) const;
 
 protected:
   Handle(Standard_Transient) ttabPoint;
   Handle(Standard_Transient) ttabPoint2d;
   Standard_Integer           nbP;
   Standard_Integer           nbP2d;
 
 private:
 };
 
 #include <AppParCurves_MultiPoint.lxx>
 
 #endif // _AppParCurves_MultiPoint_HeaderFile

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