12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061 |
- //
- // Copyright 2013 Christian Henning
- //
- // Distributed under the Boost Software License, Version 1.0
- // See accompanying file LICENSE_1_0.txt or copy at
- // http://www.boost.org/LICENSE_1_0.txt
- //
- #ifndef BOOST_GIL_IO_TEST_SCANLINE_READ_TEST_HPP
- #define BOOST_GIL_IO_TEST_SCANLINE_READ_TEST_HPP
- #include <boost/gil.hpp>
- #include "cmp_view.hpp"
- template< typename Image
- , typename FormatTag
- >
- void test_scanline_reader( const char* file_name )
- {
- using namespace boost::gil;
- // read image using scanline_read_iterator
- using reader_t = scanline_reader
- <
- typename get_read_device<char const*, FormatTag>::type,
- FormatTag
- >;
- reader_t reader = make_scanline_reader( file_name, FormatTag() );
- Image dst( reader._info._width, reader._info._height );
- using iterator_t = typename reader_t::iterator_t;
- iterator_t it = reader.begin();
- iterator_t end = reader.end();
- for( int row = 0; it != end; ++it, ++row )
- {
- copy_pixels( interleaved_view( reader._info._width
- , 1
- , ( typename Image::view_t::x_iterator ) *it
- , reader._scanline_length
- )
- , subimage_view( view( dst )
- , 0
- , row
- , reader._info._width
- , 1
- )
- );
- }
- //compare
- Image img;
- read_image( file_name, img, FormatTag() );
- cmp_view( view( dst ), view( img ) );
- }
- #endif // BOOST_GIL_IO_TEST_SCANLINE_READ_TEST_HPP
|