8 #ifndef BOOST_GIL_IO_SCANLINE_READ_ITERATOR_HPP     9 #define BOOST_GIL_IO_SCANLINE_READ_ITERATOR_HPP    11 #include <boost/gil/io/error.hpp>    12 #include <boost/gil/io/typedefs.hpp>    14 #include <boost/iterator/iterator_facade.hpp>    20 namespace boost { 
namespace gil {
    22 #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400)    24 #pragma warning(disable:4512) //assignment operator could not be generated    28 template< 
typename Reader >
    31                                                             , std::input_iterator_tag
    36     using base_t = boost::iterator_facade
    40             std::input_iterator_tag
    50     , _read_scanline( 
true )
    51     , _skip_scanline( 
true )
    54         _buffer = std::make_shared<  buffer_t >( buffer_t( _reader._scanline_length ));
    55         _buffer_start = &_buffer->front();
    59     friend class boost::iterator_core_access;
    63         if( _skip_scanline == 
true )
    65             _reader.skip( _buffer_start
    72         _skip_scanline = 
true;
    73         _read_scanline = 
true;
    78         return _pos == rhs._pos;
    81     typename base_t::reference dereference()
 const    83         if( _read_scanline == 
true )
    85             _reader.read( _buffer_start
    90         _skip_scanline = 
false;
    91         _read_scanline = 
false;
   101     mutable bool _read_scanline;
   102     mutable bool _skip_scanline;
   104     using buffer_t = std::vector<byte_t>;
   105     using buffer_ptr_t = std::shared_ptr<buffer_t>;
   107     buffer_ptr_t _buffer;
   108     mutable byte_t* _buffer_start;
   111 #if BOOST_WORKAROUND(BOOST_MSVC, >= 1400) Input iterator to read images.
Definition: scanline_read_iterator.hpp:29
BOOST_FORCEINLINE bool equal(boost::gil::iterator_from_2d< Loc1 > first, boost::gil::iterator_from_2d< Loc1 > last, boost::gil::iterator_from_2d< Loc2 > first2)
std::equal(I1,I1,I2) with I1 and I2 being a iterator_from_2d
Definition: algorithm.hpp:1029