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- //
- // 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
- //
- //#define BOOST_TEST_MODULE png_file_format_test_module
- #define BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
- #define BOOST_GIL_IO_ENABLE_GRAY_ALPHA
- #define BOOST_FILESYSTEM_VERSION 3
- #include <boost/gil/extension/io/png.hpp>
- #include <boost/test/unit_test.hpp>
- #include "paths.hpp"
- using namespace std;
- using namespace boost::gil;
- namespace fs = boost::filesystem;
- using tag_t = png_tag;
- BOOST_AUTO_TEST_SUITE( gil_io_png_tests )
- #ifdef BOOST_GIL_IO_USE_PNG_TEST_SUITE_IMAGES
- // Test will loop through the "in" folder to read and convert
- // the png's to rgb8_image_t's. Which then will be written in
- // the "out" folder.
- //
- // The file name structure is as followed:
- //
- // g04i2c08.png
- // || |||+---- bit-depth
- // || ||+----- color-type (descriptive)
- // || |+------ color-type (numerical)
- // || +------- interlaced or non-interlaced
- // |+--------- parameter of test (in this case gamma-value)
- // +---------- test feature (in this case gamma)
- BOOST_AUTO_TEST_CASE( file_format_test )
- {
- string in ( png_in + "PngSuite\\" );
- fs::path in_path = fs::system_complete( fs::path( in ));
- if ( fs::is_directory( in_path ) )
- {
- fs::directory_iterator end_iter;
- for( fs::directory_iterator dir_itr( in_path )
- ; dir_itr != end_iter
- ; ++dir_itr
- )
- {
- if ( fs::is_regular( dir_itr->status() )
- && ( fs::extension( dir_itr->path() ) == ".PNG" ))
- {
- rgb8_image_t img;
- string filename = in + dir_itr->path().leaf().string();
- read_and_convert_image( filename, img, tag_t() );
- #ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
- write_view( png_out + fs::basename( dir_itr->path() ) + ".png"
- , view( img )
- , png_tag()
- );
- #endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
- }
- }
- }
- }
- #endif // BOOST_GIL_IO_USE_PNG_TEST_SUITE_IMAGES
- BOOST_AUTO_TEST_SUITE_END()
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