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