// Created on: 1992-05-07
// Created by: Jacques GOUSSARD
// Copyright (c) 1992-1999 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.

#include <Bnd_Box2d.hxx>

static Standard_Boolean IntPP (const IntSurf_Quadric&,
			       const IntSurf_Quadric&,
			       const Standard_Real,
			       const Standard_Real,
			       Standard_Boolean&,
			       IntPatch_SequenceOfLine&);

static Standard_Boolean IntPCy (const IntSurf_Quadric&,
				const IntSurf_Quadric&,
				const Standard_Real,
				const Standard_Real,
				const Standard_Boolean,
				Standard_Boolean&,
				IntPatch_SequenceOfLine&,
                                const Standard_Real H=0.);


static Standard_Boolean IntPSp (const IntSurf_Quadric&,
				const IntSurf_Quadric&,
				//modified by NIZNHY-PKV Tue Sep 20 08:59:56 2011t
				const Standard_Real,
				//modified by NIZNHY-PKV Tue Sep 20 08:59:52 2011t
				const Standard_Real,
				const Standard_Boolean,
				Standard_Boolean&,
				IntPatch_SequenceOfLine&,
				IntPatch_SequenceOfPoint&);


static Standard_Boolean IntPCo (const IntSurf_Quadric&,
				const IntSurf_Quadric&,
				const Standard_Real,
				const Standard_Real,
				const Standard_Boolean,
				Standard_Boolean&,
				Standard_Boolean&,
				IntPatch_SequenceOfLine&,
				IntPatch_SequenceOfPoint&);


static void ProcessBounds(const Handle(IntPatch_ALine)&,
			  const IntPatch_SequenceOfLine&,
			  const IntSurf_Quadric&,
			  const IntSurf_Quadric&,
			  Standard_Boolean&,
			  const gp_Pnt&,
			  const Standard_Real,
			  Standard_Boolean&,
			  const gp_Pnt&,
			  const Standard_Real,
			  Standard_Boolean&,
			  const Standard_Real);


static 
  IntPatch_ImpImpIntersection::IntStatus IntCyCy(const IntSurf_Quadric& theQuad1,
                                                 const IntSurf_Quadric& theQuad2,
                                                 const Standard_Real theTol3D,
                                                 const Standard_Real theTol2D,
                                                 const Bnd_Box2d& theUVSurf1,
                                                 const Bnd_Box2d& theUVSurf2,
                                                 Standard_Boolean& isTheEmpty,
                                                 Standard_Boolean& isTheSameSurface,
                                                 Standard_Boolean& isTheMultiplePoint,
                                                 IntPatch_SequenceOfLine& theSlin,
                                                 IntPatch_SequenceOfPoint& theSPnt);

static Standard_Boolean IntCySp(const IntSurf_Quadric&,
				const IntSurf_Quadric&,
				const Standard_Real,
				const Standard_Boolean,
				Standard_Boolean&,
				Standard_Boolean&,
				IntPatch_SequenceOfLine&,
				IntPatch_SequenceOfPoint&);

static Standard_Boolean IntCyCo(const IntSurf_Quadric&,
				const IntSurf_Quadric&,
				const Standard_Real,
				const Standard_Boolean,
				Standard_Boolean&,
				Standard_Boolean&,
				IntPatch_SequenceOfLine&,
				IntPatch_SequenceOfPoint&);

static Standard_Boolean IntSpSp(const IntSurf_Quadric&,
				const IntSurf_Quadric&,
				const Standard_Real,
				Standard_Boolean&,
				Standard_Boolean&,
				IntPatch_SequenceOfLine&,
				IntPatch_SequenceOfPoint&);

static Standard_Boolean IntCoSp(const IntSurf_Quadric&,
				const IntSurf_Quadric&,
				const Standard_Real,
				const Standard_Boolean,
				Standard_Boolean&,
				Standard_Boolean&,
				IntPatch_SequenceOfLine&,
				IntPatch_SequenceOfPoint&);

static Standard_Boolean IntCoCo(const IntSurf_Quadric&,
				const IntSurf_Quadric&,
				const Standard_Real,
				Standard_Boolean&,
				Standard_Boolean&,
				Standard_Boolean&,
				IntPatch_SequenceOfLine&,
				IntPatch_SequenceOfPoint&);

//torus
static Standard_Boolean IntPTo(const IntSurf_Quadric&,
                               const IntSurf_Quadric&,
                               const Standard_Real,
                               const Standard_Boolean,
                               Standard_Boolean&,
                               IntPatch_SequenceOfLine&);

static Standard_Boolean IntCyTo(const IntSurf_Quadric&,
                                const IntSurf_Quadric&,
                                const Standard_Real,
                                const Standard_Boolean,
                                Standard_Boolean&,
                                IntPatch_SequenceOfLine&);

static Standard_Boolean IntCoTo(const IntSurf_Quadric&,
                                const IntSurf_Quadric&,
                                const Standard_Real,
                                const Standard_Boolean,
                                Standard_Boolean&,
                                IntPatch_SequenceOfLine&);

static Standard_Boolean IntSpTo(const IntSurf_Quadric&,
                                const IntSurf_Quadric&,
                                const Standard_Real,
                                const Standard_Boolean,
                                Standard_Boolean&,
                                IntPatch_SequenceOfLine&);

static Standard_Boolean IntToTo(const IntSurf_Quadric&,
                                const IntSurf_Quadric&,
                                const Standard_Real,
                                Standard_Boolean&,
                                Standard_Boolean&,
                                IntPatch_SequenceOfLine&);