OCCT

// Copyright (c) 2026 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 "BRepGraph_LayerParametric.hxx"

#include <BRepGraph.hxx>
#include <BRepGraph_LayerLock.hxx>
#include <BRepGraph_LayerRegistry.hxx>
#include <Standard_ProgramError.hxx>

IMPLEMENT_STANDARD_RTTIEXT(BRepGraph_LayerParametric, BRepGraph_Layer)

//=================================================================================================

BRepGraph* BRepGraph_LayerParametric::graphForMutation() const
{
  BRepGraph* aGraph = AttachedGraph();
  Standard_ProgramError_Raise_if(aGraph == nullptr,
                                 "BRepGraph_LayerParametric: layer is detached from graph");
  return aGraph;
}

//=================================================================================================

occ::handle<BRepGraph_LayerLock> BRepGraph_LayerParametric::lockLayer(BRepGraph& theGraph) const
{
  return theGraph.LayerRegistry().Ensure<BRepGraph_LayerLock>();
}

//=================================================================================================