mirror of
https://github.com/ultimatepp/ultimatepp.git
synced 2026-05-16 06:05:58 -06:00
63 lines
1.8 KiB
C++
63 lines
1.8 KiB
C++
//----------------------------------------------------------------------------
|
|
// Anti-Grain Geometry (AGG) - Version 2.5
|
|
// A high quality rendering engine for C++
|
|
// Copyright (C) 2002-2006 Maxim Shemanarev
|
|
// Contact: mcseem@antigrain.com
|
|
// mcseemagg@yahoo.com
|
|
// http://antigrain.com
|
|
//
|
|
// AGG 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 2
|
|
// of the License, or (at your option) any later version.
|
|
//
|
|
// AGG 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 AGG; if not, write to the Free Software
|
|
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
|
|
// MA 02110-1301, USA.
|
|
//----------------------------------------------------------------------------
|
|
|
|
#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
|