150 lines
5.0 KiB
C++
150 lines
5.0 KiB
C++
// Created on: 1991-01-08
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// Created by: Didier Piffault
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// Copyright (c) 1991-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#ifndef _Bnd_B2d_HeaderFile
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#define _Bnd_B2d_HeaderFile
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#include "Standard.hxx"
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#include "Standard_DefineAlloc.hxx"
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#include "Standard_Handle.hxx"
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#include "Standard_Real.hxx"
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#include "Standard_Boolean.hxx"
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#include "gp_XY.hxx"
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class gp_XY;
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class gp_Pnt2d;
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class gp_Trsf2d;
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class gp_Ax2d;
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class Bnd_B2d
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{
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public:
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DEFINE_STANDARD_ALLOC
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//! Empty constructor.
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Bnd_B2d();
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//! Constructor.
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Bnd_B2d(const gp_XY& theCenter, const gp_XY& theHSize);
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//! Returns True if the box is void (non-initialized).
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Standard_Boolean IsVoid() const;
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//! Reset the box data.
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void Clear();
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//! Update the box by a point.
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Standard_EXPORT void Add(const gp_XY& thePnt);
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//! Update the box by a point.
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void Add(const gp_Pnt2d& thePnt);
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//! Update the box by another box.
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void Add(const Bnd_B2d& theBox);
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//! Query a box corner: (Center - HSize). You must make sure that
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//! the box is NOT VOID (see IsVoid()), otherwise the method returns
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//! irrelevant result.
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gp_XY CornerMin() const;
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//! Query a box corner: (Center + HSize). You must make sure that
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//! the box is NOT VOID (see IsVoid()), otherwise the method returns
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//! irrelevant result.
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gp_XY CornerMax() const;
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//! Query the square diagonal. If the box is VOID (see method IsVoid())
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//! then a very big real value is returned.
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Standard_Real SquareExtent() const;
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//! Extend the Box by the absolute value of theDiff.
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void Enlarge(const Standard_Real theDiff);
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//! Limit the Box by the internals of theOtherBox.
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//! Returns True if the limitation takes place, otherwise False
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//! indicating that the boxes do not intersect.
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Standard_EXPORT Standard_Boolean Limit(const Bnd_B2d& theOtherBox);
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//! Transform the bounding box with the given transformation.
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//! The resulting box will be larger if theTrsf contains rotation.
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Standard_NODISCARD Standard_EXPORT Bnd_B2d Transformed(const gp_Trsf2d& theTrsf) const;
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//! Check the given point for the inclusion in the Box.
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//! Returns True if the point is outside.
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Standard_Boolean IsOut(const gp_XY& thePnt) const;
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//! Check a circle for the intersection with the current box.
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//! Returns True if there is no intersection between boxes.
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Standard_EXPORT Standard_Boolean
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IsOut(const gp_XY& theCenter,
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const Standard_Real theRadius,
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const Standard_Boolean isCircleHollow = Standard_False) const;
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//! Check the given box for the intersection with the current box.
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//! Returns True if there is no intersection between boxes.
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Standard_Boolean IsOut(const Bnd_B2d& theOtherBox) const;
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//! Check the given box oriented by the given transformation
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//! for the intersection with the current box.
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//! Returns True if there is no intersection between boxes.
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Standard_EXPORT Standard_Boolean IsOut(const Bnd_B2d& theOtherBox,
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const gp_Trsf2d& theTrsf) const;
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//! Check the given Line for the intersection with the current box.
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//! Returns True if there is no intersection.
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Standard_EXPORT Standard_Boolean IsOut(const gp_Ax2d& theLine) const;
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//! Check the Segment defined by the couple of input points
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//! for the intersection with the current box.
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//! Returns True if there is no intersection.
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Standard_EXPORT Standard_Boolean IsOut(const gp_XY& theP0, const gp_XY& theP1) const;
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//! Check that the box 'this' is inside the given box 'theBox'. Returns
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//! True if 'this' box is fully inside 'theBox'.
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Standard_Boolean IsIn(const Bnd_B2d& theBox) const;
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//! Check that the box 'this' is inside the given box 'theBox'
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//! transformed by 'theTrsf'. Returns True if 'this' box is fully
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//! inside the transformed 'theBox'.
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Standard_EXPORT Standard_Boolean IsIn(const Bnd_B2d& theBox, const gp_Trsf2d& theTrsf) const;
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//! Set the Center coordinates
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void SetCenter(const gp_XY& theCenter);
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//! Set the HSize (half-diagonal) coordinates.
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//! All components of theHSize must be non-negative.
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void SetHSize(const gp_XY& theHSize);
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protected:
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Standard_Real myCenter[2];
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Standard_Real myHSize[2];
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private:
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};
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#define RealType Standard_Real
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#define RealType_hxx <Standard_Real.hxx>
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#define Bnd_B2x Bnd_B2d
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#define Bnd_B2x_hxx <Bnd_B2d.hxx>
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#include "Bnd_B2x.lxx"
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#undef RealType
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#undef RealType_hxx
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#undef Bnd_B2x
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#undef Bnd_B2x_hxx
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#endif // _Bnd_B2d_HeaderFile
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