--- /dev/null
+// Created on: 1993-01-20
+// Created by: Laurent PAINNOT
+// Copyright (c) 1993-1999 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 _AppDef_MyLineTool_HeaderFile
+#define _AppDef_MyLineTool_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_Boolean.hxx>
+#include <TColgp_Array1OfVec.hxx>
+#include <TColgp_Array1OfVec2d.hxx>
+#include <Approx_Status.hxx>
+class AppDef_MultiLine;
+
+
+//! example of MultiLine tool corresponding to the tools of the packages
+//! AppParCurves and Approx. For Approx, the tool will not addd points
+//! if the algorithms want some.
+class AppDef_MyLineTool
+{
+public:
+
+ DEFINE_STANDARD_ALLOC
+
+
+ //! Returns the first index of multipoints of the MultiLine.
+ Standard_EXPORT static Standard_Integer FirstPoint (const AppDef_MultiLine& ML);
+
+ //! Returns the last index of multipoints of the MultiLine.
+ Standard_EXPORT static Standard_Integer LastPoint (const AppDef_MultiLine& ML);
+
+ //! Returns the number of 2d points of a MultiLine.
+ Standard_EXPORT static Standard_Integer NbP2d (const AppDef_MultiLine& ML);
+
+ //! Returns the number of 3d points of a MultiLine.
+ Standard_EXPORT static Standard_Integer NbP3d (const AppDef_MultiLine& ML);
+
+ //! returns the 3d points of the multipoint <MPointIndex>
+ //! when only 3d points exist.
+ Standard_EXPORT static void Value (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfPnt& tabPt);
+
+ //! returns the 2d points of the multipoint <MPointIndex>
+ //! when only 2d points exist.
+ Standard_EXPORT static void Value (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfPnt2d& tabPt2d);
+
+ //! returns the 3d and 2d points of the multipoint
+ //! <MPointIndex>.
+ Standard_EXPORT static void Value (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfPnt& tabPt, TColgp_Array1OfPnt2d& tabPt2d);
+
+ //! returns the 3d points of the multipoint <MPointIndex>
+ //! when only 3d points exist.
+ Standard_EXPORT static Standard_Boolean Tangency (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV);
+
+ //! returns the 2d tangency points of the multipoint
+ //! <MPointIndex> only when 2d points exist.
+ Standard_EXPORT static Standard_Boolean Tangency (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec2d& tabV2d);
+
+ //! returns the 3d and 2d points of the multipoint
+ //! <MPointIndex>.
+ Standard_EXPORT static Standard_Boolean Tangency (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV, TColgp_Array1OfVec2d& tabV2d);
+
+ //! returns the 3d curvatures of the multipoint <MPointIndex>
+ //! when only 3d points exist.
+ Standard_EXPORT static Standard_Boolean Curvature (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV);
+
+ //! returns the 2d curvatures of the multipoint
+ //! <MPointIndex> only when 2d points exist.
+ Standard_EXPORT static Standard_Boolean Curvature (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec2d& tabV2d);
+
+ //! returns the 3d and 2d curvatures of the multipoint
+ //! <MPointIndex>.
+ Standard_EXPORT static Standard_Boolean Curvature (const AppDef_MultiLine& ML, const Standard_Integer MPointIndex, TColgp_Array1OfVec& tabV, TColgp_Array1OfVec2d& tabV2d);
+
+ //! returns NoPointsAdded
+ Standard_EXPORT static Approx_Status WhatStatus (const AppDef_MultiLine& ML, const Standard_Integer I1, const Standard_Integer I2);
+
+ //! Is never called in the algorithms.
+ //! Nothing is done.
+ Standard_EXPORT static AppDef_MultiLine& MakeMLBetween (const AppDef_MultiLine& ML, const Standard_Integer I1, const Standard_Integer I2, const Standard_Integer NbPMin);
+
+
+
+
+protected:
+
+
+
+
+
+private:
+
+
+
+
+
+};
+
+
+
+
+
+
+
+#endif // _AppDef_MyLineTool_HeaderFile