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/*
//
// Copyright 1997-2009 Torsten Rohlfing
//
// Copyright 2004-2011 SRI International
//
// This file is part of the Computational Morphometry Toolkit.
//
// http://www.nitrc.org/projects/cmtk/
//
// The Computational Morphometry Toolkit is free software: you can
// redistribute it and/or modify it under the terms of the GNU General Public
// License as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// The Computational Morphometry Toolkit is distributed in the hope that it
// will be useful, but WITHOUT ANY WARRANTY; without even the implied
// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with the Computational Morphometry Toolkit. If not, see
// <http://www.gnu.org/licenses/>.
//
// $Revision: 5436 $
//
// $LastChangedDate: 2018-12-10 19:01:20 -0800 (Mon, 10 Dec 2018) $
//
// $LastChangedBy: torstenrohlfing $
//
*/
#ifndef __cmtkBitVector_h_included_
#define __cmtkBitVector_h_included_
#include <cmtkconfig.h>
#include <Base/cmtkTypes.h>
#include <System/cmtkSmartPtr.h>
namespace
cmtk
{
/** \addtogroup Base */
//@{
/** Set of binary values.
* This class provides functions similar to the STL's bitset class. However,
* our class does not require the set size to be known at compile time. It
* therefore allows creation of different size bitsets as they are needed by
* the program.
*/
class BitVector
{
public:
/// Smart pointer to BitVector.
typedef SmartPointer<BitVector> SmartPtr;
/** Constructor.
*\param size Number of bits handled by this object.
*\param initial Initial value for the bits in the array.
*/
BitVector( const size_t size, const bool initial = false );
/** Constructor.
*\param size Number of bits handled by this object.
*\param bitset Byte array that is used to initialize the array.
*/
BitVector( const size_t size, byte *const bitset );
/** Destructor.
*/
~BitVector();
/** Create copy of this object.
*/
BitVector* Clone() const;
/// Set all bits to 1.
void Set();
/// Set one bit to a given value.
void Set( const size_t pos, const bool val = true );
/// Set all bits to given flag (default: clear all).
void Reset( const bool value = false );
/// Set one bit to 0.
void Reset( const size_t pos );
/// Flip (invert) the whole bitset.
void Flip();
/// Flip (invert) one bit.
void Flip( const size_t pos );
/// Return a given bit.
bool operator[]( const size_t pos ) const;
/// Get pointer to bitset data.
const byte* GetBitVector() const
{
return this->m_BitVector;
}
private:
/// The bitset.
byte *m_BitVector;
/// The size of the allocated bitset in BYTES (!!).
size_t m_Size;
};
//@}
} // namespace cmtk
#endif // #ifndef __cmtkBitVector_h_included_
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