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//----------------------------------------------------------------------------
// Anti-Grain Geometry - Version 2.4
// Copyright (C) 2002-2005 Maxim Shemanarev (http://www.antigrain.com)
//
// Permission to copy, use, modify, sell and distribute this software
// is granted provided this copyright notice appears in all copies.
// This software is provided "as is" without express or implied
// warranty, and with no claim as to its suitability for any purpose.
//
//----------------------------------------------------------------------------
// Contact: mcseem@antigrain.com
// mcseemagg@yahoo.com
// http://www.antigrain.com
//----------------------------------------------------------------------------
#ifndef AGG_BITSET_ITERATOR_INCLUDED
#define AGG_BITSET_ITERATOR_INCLUDED
#include "agg_basics.h"
namespace agg
{
class bitset_iterator
{
public:
bitset_iterator(const int8u* bits, unsigned offset = 0) :
m_bits(bits + (offset >> 3)),
m_mask(0x80 >> (offset & 7))
{}
void operator ++ ()
{
m_mask >>= 1;
if(m_mask == 0)
{
++m_bits;
m_mask = 0x80;
}
}
unsigned bit() const
{
return (*m_bits) & m_mask;
}
private:
const int8u* m_bits;
int8u m_mask;
};
}
#endif
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