// Created on: 2016-04-07
// Copyright (c) 2016 OPEN CASCADE SAS
// Created by: Oleg AGASHIN
//
// 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 _IMeshTools_MeshBuilder_HeaderFile
#define _IMeshTools_MeshBuilder_HeaderFile

#include <IMeshTools_Context.hxx>
#include <Standard_Type.hxx>
#include <Message_ProgressRange.hxx>

//! Builds mesh for each face of shape without triangulation.
//! In case if some faces of shape have already been triangulated
//! checks deflection of existing polygonal model and re-uses it
//! if deflection satisfies the specified parameter. Otherwise
//! nullifies existing triangulation and build triangulation anew.
//!
//! The following statuses are used:
//! Message_Done1 - algorithm has finished without errors.
//! Message_Fail1 - invalid context.
//! Message_Fail2 - algorithm has faced unexpected error.
//! Message_Fail3 - fail to discretize edges.
//! Message_Fail4 - can't heal discrete model.
//! Message_Fail5 - fail to pre-process model.
//! Message_Fail6 - fail to discretize faces.
//! Message_Fail7 - fail to post-process model.
//! Message_Warn1 - shape contains no objects to mesh.
class IMeshTools_MeshBuilder : public Message_Algorithm
{
public:

  //! Constructor.
  Standard_EXPORT IMeshTools_MeshBuilder();

  //! Constructor.
  Standard_EXPORT IMeshTools_MeshBuilder (const Handle (IMeshTools_Context)& theContext);
  
  //! Destructor.
  Standard_EXPORT virtual ~IMeshTools_MeshBuilder();

  //! Sets context for algorithm.
  void SetContext (const Handle (IMeshTools_Context)& theContext)
  {
    myContext = theContext;
  }

  //! Gets context of algorithm.
  const Handle (IMeshTools_Context)& GetContext () const
  {
    return myContext;
  }

  //! Performs meshing to the shape using current context.
  Standard_EXPORT virtual void Perform (const Message_ProgressRange& theRange);

  DEFINE_STANDARD_RTTIEXT(IMeshTools_MeshBuilder, Message_Algorithm)

private:

  Handle (IMeshTools_Context) myContext;
};

#endif