inline
typename memunit_2_step_fn< planar_pixel_iterator< ChannelPtr, ColorSpace > >::difference_type
memunit_distance( const planar_pixel_iterator< ChannelPtr, ColorSpace >& p1
, const planar_pixel_iterator< ChannelPtr, ColorSpace >& p2
)
{
assert( memunit_distance( gil::at_c< 1 >( p1 ),gil::at_c< 1 >( p2 ))
== memunit_distance( gil::at_c< 2 >( p1 ),gil::at_c< 2 >( p2 ))
);
typedef planar_pixel_iterator< ChannelPtr, ColorSpace > pixel_t;
BOOST_STATIC_ASSERT(( gil::num_channels< pixel_t >::value == 3 ));
typedef typename memunit_2_step_fn::difference_type return_t;
return return_t( memunit_distance( gil::at_c< 0 >( p1 ),gil::at_c< 0 >( p2 ))
, memunit_distance( gil::at_c< 1 >( p1 ),gil::at_c< 1 >( p2 ))
);
}
inline std::ptrdiff_t memunit_distance(const planar_pixel_iterator<IC,C>& p1, const planar_pixel_iterator<IC,C>& p2) {
return memunit_distance(gil::at_c<0>(p1),gil::at_c<0>(p2));
}
inline std::ptrdiff_t memunit_distance (const planar_frame_iterator<IC,C>& p1,
const planar_frame_iterator<IC,C>& p2)
{
return memunit_distance (sound::at_c<0>(p1), sound::at_c<0>(p2));
}
