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 // Created on: 1991-01-08
 // Created by: Didier Piffault
 // 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 _Bnd_B3f_HeaderFile
 #define _Bnd_B3f_HeaderFile
 
 #include <Standard.hxx>
 #include <Standard_DefineAlloc.hxx>
 
 class gp_XYZ;
 class gp_Pnt;
 class gp_Trsf;
 class gp_Ax1;
 class gp_Ax3;
 
 class Bnd_B3f
 {
 public:
   DEFINE_STANDARD_ALLOC
 
   //! Empty constructor.
   Bnd_B3f();
 
   //! Constructor.
   Bnd_B3f(const gp_XYZ& theCenter, const gp_XYZ& theHSize);
 
   //! Returns True if the box is void (non-initialized).
   Standard_Boolean IsVoid() const;
 
   //! Reset the box data.
   void Clear();
 
   //! Update the box by a point.
   Standard_EXPORT void Add(const gp_XYZ& thePnt);
 
   //! Update the box by a point.
   void Add(const gp_Pnt& thePnt);
 
   //! Update the box by another box.
   void Add(const Bnd_B3f& theBox);
 
   //! Query the lower corner: (Center - HSize). You must make sure that
   //! the box is NOT VOID (see IsVoid()), otherwise the method returns
   //! irrelevant result.
   gp_XYZ CornerMin() const;
 
   //! Query the upper corner: (Center + HSize). You must make sure that
   //! the box is NOT VOID (see IsVoid()), otherwise the method returns
   //! irrelevant result.
   gp_XYZ CornerMax() const;
 
   //! Query the square diagonal. If the box is VOID (see method IsVoid())
   //! then a very big real value is returned.
   Standard_Real SquareExtent() const;
 
   //! Extend the Box by the absolute value of theDiff.
   void Enlarge(const Standard_Real theDiff);
 
   //! Limit the Box by the internals of theOtherBox.
   //! Returns True if the limitation takes place, otherwise False
   //! indicating that the boxes do not intersect.
   Standard_EXPORT Standard_Boolean Limit(const Bnd_B3f& theOtherBox);
 
   //! Transform the bounding box with the given transformation.
   //! The resulting box will be larger if theTrsf contains rotation.
   Standard_NODISCARD Standard_EXPORT Bnd_B3f Transformed(const gp_Trsf& theTrsf) const;
 
   //! Check the given point for the inclusion in the Box.
   //! Returns True if the point is outside.
   Standard_Boolean IsOut(const gp_XYZ& thePnt) const;
 
   //! Check a sphere for the intersection with the current box.
   //! Returns True if there is no intersection between boxes. If the
   //! parameter 'IsSphereHollow' is True, then the intersection is not
   //! reported for a box that is completely inside the sphere (otherwise
   //! this method would report an intersection).
   Standard_EXPORT Standard_Boolean
     IsOut(const gp_XYZ&          theCenter,
           const Standard_Real    theRadius,
           const Standard_Boolean isSphereHollow = Standard_False) const;
 
   //! Check the given box for the intersection with the current box.
   //! Returns True if there is no intersection between boxes.
   Standard_Boolean IsOut(const Bnd_B3f& theOtherBox) const;
 
   //! Check the given box oriented by the given transformation
   //! for the intersection with the current box.
   //! Returns True if there is no intersection between boxes.
   Standard_EXPORT Standard_Boolean IsOut(const Bnd_B3f& theOtherBox, const gp_Trsf& theTrsf) const;
 
   //! Check the given Line for the intersection with the current box.
   //! Returns True if there is no intersection.
   //! isRay==True means intersection check with the positive half-line
   //! theOverthickness is the addition to the size of the current box
   //! (may be negative). If positive, it can be treated as the thickness
   //! of the line 'theLine' or the radius of the cylinder along 'theLine'
   Standard_EXPORT Standard_Boolean IsOut(const gp_Ax1&          theLine,
                                          const Standard_Boolean isRay            = Standard_False,
                                          const Standard_Real    theOverthickness = 0.0) const;
 
   //! Check the given Plane for the intersection with the current box.
   //! Returns True if there is no intersection.
   Standard_EXPORT Standard_Boolean IsOut(const gp_Ax3& thePlane) const;
 
   //! Check that the box 'this' is inside the given box 'theBox'. Returns
   //! True if 'this' box is fully inside 'theBox'.
   Standard_Boolean IsIn(const Bnd_B3f& theBox) const;
 
   //! Check that the box 'this' is inside the given box 'theBox'
   //! transformed by 'theTrsf'. Returns True if 'this' box is fully
   //! inside the transformed 'theBox'.
   Standard_EXPORT Standard_Boolean IsIn(const Bnd_B3f& theBox, const gp_Trsf& theTrsf) const;
 
   //! Set the Center coordinates
   void SetCenter(const gp_XYZ& theCenter);
 
   //! Set the HSize (half-diagonal) coordinates.
   //! All components of theHSize must be non-negative.
   void SetHSize(const gp_XYZ& theHSize);
 
 protected:
   Standard_ShortReal myCenter[3];
   Standard_ShortReal myHSize[3];
 
 private:
 };
 
 #define RealType Standard_ShortReal
 #define RealType_hxx <Standard_ShortReal.hxx>
 #define Bnd_B3x Bnd_B3f
 #define Bnd_B3x_hxx <Bnd_B3f.hxx>
 
 #include <Bnd_B3x.lxx>
 
 #undef RealType
 #undef RealType_hxx
 #undef Bnd_B3x
 #undef Bnd_B3x_hxx
 
 #endif // _Bnd_B3f_HeaderFile

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