OCCT

// Created on: 2000-02-07
// Created by: data exchange team
// Copyright (c) 2000-2014 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 _ShapeAlgo_AlgoContainer_HeaderFile
#define _ShapeAlgo_AlgoContainer_HeaderFile

#include <Standard.hxx>
#include <Standard_Type.hxx>

#include <Standard_Transient.hxx>
#include <Geom_Curve.hxx>
#include <NCollection_Sequence.hxx>
#include <Geom2d_Curve.hxx>
#include <Geom_BoundedCurve.hxx>
#include <NCollection_HSequence.hxx>
#include <Geom2d_BoundedCurve.hxx>
#include <GeomAbs_Shape.hxx>
#include <Standard_Integer.hxx>
class ShapeAlgo_ToolContainer;
class ShapeAnalysis_Wire;
class ShapeExtend_WireData;
class Geom_BSplineCurve;
class Geom2d_BSplineCurve;
class TopoDS_Shape;
class Geom_BSplineSurface;
class Geom_Surface;
class TopoDS_Wire;
class TopoDS_Face;
class Geom_Curve;

class ShapeAlgo_AlgoContainer : public Standard_Transient
{

public:
  //! Empty constructor
  Standard_EXPORT ShapeAlgo_AlgoContainer();

  //! Sets ToolContainer
  void SetToolContainer(const occ::handle<ShapeAlgo_ToolContainer>& TC);

  //! Returns ToolContainer
  occ::handle<ShapeAlgo_ToolContainer> ToolContainer() const;

  //! Finds the best way to connect and connects <nextsewd> to already
  //! built <sewd> (in <saw>).
  //! Returns False if <nextsewd> cannot be connected, otherwise - True.
  //! <maxtol> specifies the maximum tolerance with which <nextsewd> can
  //! be added.
  //! <distmin> is used to receive the minimum distance between <nextsewd>
  //! and <sewd>.
  //! <revsewd>   is True if <sewd>     has been reversed before connecting.
  //! <revnextwd> is True if <nextsewd> has been reversed before connecting.
  //! Uses functionality of ShapeAnalysis_Wire.
  Standard_EXPORT virtual bool ConnectNextWire(const occ::handle<ShapeAnalysis_Wire>&   saw,
                                               const occ::handle<ShapeExtend_WireData>& nextsewd,
                                               const double                             maxtol,
                                               double&                                  distmin,
                                               bool&                                    revsewd,
                                               bool& revnextsewd) const;

  Standard_EXPORT virtual void ApproxBSplineCurve(
    const occ::handle<Geom_BSplineCurve>&          bspline,
    NCollection_Sequence<occ::handle<Geom_Curve>>& seq) const;

  Standard_EXPORT virtual void ApproxBSplineCurve(
    const occ::handle<Geom2d_BSplineCurve>&          bspline,
    NCollection_Sequence<occ::handle<Geom2d_Curve>>& seq) const;

  Standard_EXPORT virtual bool C0BSplineToSequenceOfC1BSplineCurve(
    const occ::handle<Geom_BSplineCurve>&                               BS,
    occ::handle<NCollection_HSequence<occ::handle<Geom_BoundedCurve>>>& seqBS) const;

  //! Converts C0 B-Spline curve into sequence of C1 B-Spline curves.
  //! Calls ShapeUpgrade::C0BSplineToSequenceOfC1BSplineCurve.
  Standard_EXPORT virtual bool C0BSplineToSequenceOfC1BSplineCurve(
    const occ::handle<Geom2d_BSplineCurve>&                               BS,
    occ::handle<NCollection_HSequence<occ::handle<Geom2d_BoundedCurve>>>& seqBS) const;

  //! Converts a shape on C0 geometry into the shape on C1 geometry.
  Standard_EXPORT virtual TopoDS_Shape C0ShapeToC1Shape(const TopoDS_Shape& shape,
                                                        const double        tol) const;

  //! Converts a surface to B-Spline.
  //! Uses ShapeConstruct.
  Standard_EXPORT virtual occ::handle<Geom_BSplineSurface> ConvertSurfaceToBSpline(
    const occ::handle<Geom_Surface>& surf,
    const double                     UF,
    const double                     UL,
    const double                     VF,
    const double                     VL) const;

  //! Return 2 wires with the same number of edges. The both Edges
  //! number i of these wires have got the same ratio between
  //! theirs parameter lengths and their wire parameter lengths.
  Standard_EXPORT virtual bool HomoWires(const TopoDS_Wire& wireIn1,
                                         const TopoDS_Wire& wireIn2,
                                         TopoDS_Wire&       wireOut1,
                                         TopoDS_Wire&       wireOut2,
                                         const bool         byParam) const;

  //! Returns the outer wire on the face <Face>.
  Standard_EXPORT virtual TopoDS_Wire OuterWire(const TopoDS_Face& face) const;

  //! Converts surface to periodic form.
  //! Calls ShapeCustom_Surface.
  Standard_EXPORT virtual occ::handle<Geom_Surface> ConvertToPeriodic(
    const occ::handle<Geom_Surface>& surf) const;

  //! Computes exact UV bounds of all wires on the face
  Standard_EXPORT virtual void GetFaceUVBounds(const TopoDS_Face& F,
                                               double&            Umin,
                                               double&            Umax,
                                               double&            Vmin,
                                               double&            Vmax) const;

  //! Convert Geom_Curve to Geom_BSplineCurve
  Standard_EXPORT virtual occ::handle<Geom_BSplineCurve> ConvertCurveToBSpline(
    const occ::handle<Geom_Curve>& C3D,
    const double                   First,
    const double                   Last,
    const double                   Tol3d,
    const GeomAbs_Shape            Continuity,
    const int                      MaxSegments,
    const int                      MaxDegree) const;

  DEFINE_STANDARD_RTTIEXT(ShapeAlgo_AlgoContainer, Standard_Transient)

private:
  occ::handle<ShapeAlgo_ToolContainer> myTC;
};

#include <ShapeAlgo_AlgoContainer.lxx>

#endif // _ShapeAlgo_AlgoContainer_HeaderFile