0026719: Visualization - cannot pick zoom persistent object

[occt.git] / src / SelectMgr / SelectMgr_ViewerSelector.lxx

// Copyright (c) 1998-1999 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.

//=======================================================================
// function: Tolerance
// purpose : Returns a current tolerance that must be applied
//=======================================================================
inline Standard_Integer SelectMgr_ToleranceMap::Tolerance() const
{
  if (myLargestKey < Precision::Confusion())
    return 2; // default tolerance value

  return myCustomTolerance < 0 ? myLargestKey : myLargestKey + myCustomTolerance;
}

//=======================================================================
// function: SetCustomTolerance
// purpose : Sets tolerance to the given one and disables adaptive checks
//=======================================================================
inline void SelectMgr_ToleranceMap::SetCustomTolerance (const Standard_Integer theTolerance)
{
  myCustomTolerance = theTolerance;
}

//=======================================================================
// function: CustomTolerance
// purpose : Returns current value of custom tolerance regardless of it is set or not
//=======================================================================
inline Standard_Integer SelectMgr_ToleranceMap::CustomTolerance() const
{
  return myCustomTolerance;
}

//=======================================================================
// function: IsCustomTolSet
// purpose : Checks if custom tolerance value is greater than zero
//=======================================================================
inline Standard_Boolean SelectMgr_ToleranceMap::IsCustomTolSet() const
{
  return myCustomTolerance > 0;
}

//=======================================================================
// function: ResetDefaults
// purpose : Unsets a custom tolerance and enables adaptive checks
//=======================================================================
inline void SelectMgr_ToleranceMap::ResetDefaults()
{
  myCustomTolerance = -1;
}

inline Standard_Real SelectMgr_ViewerSelector::Sensitivity() const
{
  return myTolerances.Tolerance();
}

inline void SelectMgr_ViewerSelector::Init() 
{
  myCurRank = 1;
}

inline void SelectMgr_ViewerSelector::Next()
{
  myCurRank++;
}

inline void SelectMgr_ViewerSelector::SetPickClosest (const Standard_Boolean preferClosest)
{
  preferclosest = preferClosest;
}

inline void SelectMgr_ViewerSelector::InitDetected()
{
  myDetectedIter.Initialize (myMapOfDetected);
}

inline void SelectMgr_ViewerSelector::NextDetected()
{
  myDetectedIter.Next();
}

inline Standard_Boolean SelectMgr_ViewerSelector::MoreDetected()
{
  return myDetectedIter.More();
}

inline SelectMgr_SelectingVolumeManager& SelectMgr_ViewerSelector::GetManager()
{
  return mySelectingVolumeMgr;
}