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Group include directives, sort within group: * In headers of GIL core and extensions: 1. boost/gil/extension/* 2. boost/gil/* 3. boost/* 4. C++ standard library headers * In programs: 1. boost/gil/* 2. boost/* 3. C++ standard library headers 4. "xxx.hpp" for local headers Add basic guidelines to CONTRIBUTING.md. Add/Remove #include <boost/config.hpp> or std headers un/necessary. Rename gil_concept.hpp to concepts.hpp. Remove gil_all.hpp - we already have all-in-one boost/gil.hpp. Tidy up and unify copyright and license header. Tidy up formatting and excessive whitespaces in some comments. Remove Doxygen block with file description, author, date, etc. Remove dead or commented pragmas and directives. Trim trailing whitespaces.
513 lines
17 KiB
C++
513 lines
17 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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//#define BOOST_TEST_MODULE png_read_test_module
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#define BOOST_GIL_IO_ADD_FS_PATH_SUPPORT
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#define BOOST_GIL_IO_ENABLE_GRAY_ALPHA
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#define BOOST_FILESYSTEM_VERSION 3
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#include <boost/gil/extension/io/png.hpp>
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#include <boost/filesystem/convenience.hpp>
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#include <boost/test/unit_test.hpp>
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#include <cstdint>
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#include <iostream>
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#include "paths.hpp"
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#include "scanline_read_test.hpp"
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using namespace std;
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using namespace boost;
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using namespace gil;
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using namespace boost::gil::detail;
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namespace fs = boost::filesystem;
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typedef png_tag tag_t;
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BOOST_AUTO_TEST_SUITE( gil_io_png_tests )
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typedef pixel< uint8_t, gray_alpha_layout_t > gray_alpha8_pixel_t;
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typedef image< gray_alpha8_pixel_t, false > gray_alpha8_image_t;
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typedef pixel< uint16_t, gray_alpha_layout_t > gray_alpha16_pixel_t;
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typedef image< gray_alpha16_pixel_t, false > gray_alpha16_image_t;
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template< typename Image >
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void test_file( string filename )
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{
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Image src, dst;
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image_read_settings< png_tag > settings;
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settings._read_file_gamma = true;
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settings._read_transparency_data = true;
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typedef get_reader_backend< const std::string
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, tag_t
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>::type backend_t;
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backend_t backend = read_image_info( png_in + filename
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, settings
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);
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read_image( png_in + filename
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, src
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, settings
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);
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#ifdef BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
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image_write_info< png_tag > write_info;
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write_info._file_gamma = backend._info._file_gamma;
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write_view( png_out + filename
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, view( src )
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, write_info
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);
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read_image( png_out + filename
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, dst
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, settings
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);
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BOOST_CHECK( equal_pixels( const_view( src )
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, const_view( dst )
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)
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);
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#endif // BOOST_GIL_IO_TEST_ALLOW_WRITING_IMAGES
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}
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template< typename Image >
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void test_png_scanline_reader( string filename )
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{
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test_scanline_reader<Image, png_tag>( string( png_in + filename ).c_str() );
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}
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BOOST_AUTO_TEST_CASE( read_header_test )
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{
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typedef get_reader_backend< const std::string
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, tag_t
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>::type backend_t;
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backend_t backend = read_image_info( png_filename
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, tag_t()
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);
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BOOST_CHECK_EQUAL( backend._info._width , 1000u );
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BOOST_CHECK_EQUAL( backend._info._height, 600u );
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BOOST_CHECK_EQUAL( backend._info._num_channels, 4 );
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BOOST_CHECK_EQUAL( backend._info._bit_depth , 8 );
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BOOST_CHECK_EQUAL( backend._info._color_type , PNG_COLOR_TYPE_RGBA );
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BOOST_CHECK_EQUAL( backend._info._interlace_method , PNG_INTERLACE_NONE );
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BOOST_CHECK_EQUAL( backend._info._compression_method, PNG_COMPRESSION_TYPE_BASE );
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BOOST_CHECK_EQUAL( backend._info._filter_method , PNG_FILTER_TYPE_BASE );
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BOOST_CHECK_EQUAL( backend._info._file_gamma, 1 );
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}
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#ifdef BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
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BOOST_AUTO_TEST_CASE( read_pixel_per_meter )
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{
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image_read_settings< png_tag > settings;
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settings.set_read_members_true();
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typedef get_reader_backend< const std::string
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, tag_t
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>::type backend_t;
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backend_t backend = read_image_info( png_base_in + "EddDawson/36dpi.png"
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, settings
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);
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BOOST_CHECK_EQUAL( backend._info._pixels_per_meter, png_uint_32( 1417 ));
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}
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#endif // BOOST_GIL_IO_TEST_ALLOW_READING_IMAGES
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#ifdef BOOST_GIL_IO_USE_PNG_TEST_SUITE_IMAGES
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BOOST_AUTO_TEST_CASE( BASIc_format_test )
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{
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// Basic format test files (non-interlaced)
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// BASN0g01 - black & white
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test_file< gray1_image_t >( "BASN0G01.PNG" );
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test_png_scanline_reader< gray1_image_t >( "BASN0G01.PNG" );
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// BASN0g02 - 2 bit (4 level) grayscale
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test_file< gray2_image_t >( "BASN0G02.PNG" );
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test_png_scanline_reader< gray2_image_t >( "BASN0G02.PNG" );
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// BASN0g04 - 4 bit (16 level) grayscale
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test_file< gray4_image_t >( "BASN0G04.PNG" );
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test_png_scanline_reader< gray4_image_t >( "BASN0G04.PNG" );
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// BASN0g08 - 8 bit (256 level) grayscale
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test_file< gray8_image_t >( "BASN0G08.PNG" );
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test_png_scanline_reader< gray8_image_t >( "BASN0G08.PNG" );
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// BASN0g16 - 16 bit (64k level) grayscale
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test_file< gray16_image_t >( "BASN0G16.PNG" );
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test_png_scanline_reader< gray16_image_t >( "BASN0G16.PNG" );
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// BASN2c08 - 3x8 bits rgb color
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test_file< rgb8_image_t >( "BASN2C08.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "BASN2C08.PNG" );
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// BASN2c16 - 3x16 bits rgb color
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test_file< rgb16_image_t >( "BASN2C16.PNG" );
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test_png_scanline_reader< rgb16_image_t >( "BASN2C16.PNG" );
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// BASN3p01 - 1 bit (2 color) paletted
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test_file< rgb8_image_t >( "BASN3P01.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "BASN3P01.PNG" );
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// BASN3p02 - 2 bit (4 color) paletted
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test_file< rgb8_image_t >( "BASN3P02.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "BASN3P02.PNG" );
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// BASN3p04 - 4 bit (16 color) paletted
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test_file< rgb8_image_t >( "BASN3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "BASN3P04.PNG" );
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// BASN3p08 - 8 bit (256 color) paletted
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test_file< rgb8_image_t >( "BASN3P08.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "BASN3P08.PNG" );
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// BASN4a08 - 8 bit grayscale + 8 bit alpha-channel
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test_file< gray_alpha8_image_t >( "BASN4A08.PNG" );
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test_png_scanline_reader< gray_alpha8_image_t >( "BASN4A08.PNG" );
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// BASN4a16 - 16 bit grayscale + 16 bit alpha-channel
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test_file< gray_alpha16_image_t >( "BASN4A16.PNG" );
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test_png_scanline_reader< gray_alpha16_image_t >( "BASN4A16.PNG" );
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// BASN6a08 - 3x8 bits rgb color + 8 bit alpha-channel
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test_file< rgba8_image_t >( "BASN6A08.PNG" );
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test_png_scanline_reader< rgba8_image_t >( "BASN6A08.PNG" );
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// BASN6a16 - 3x16 bits rgb color + 16 bit alpha-channel
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test_file< rgba16_image_t >( "BASN6A16.PNG" );
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test_png_scanline_reader< rgba16_image_t >( "BASN6A16.PNG" );
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}
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BOOST_AUTO_TEST_CASE( BASIc_format_interlaced_test )
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{
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// Basic format test files (Adam-7 interlaced)
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// BASI0g01 - black & white
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test_file< gray1_image_t >( "BASI0G01.PNG" );
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// BASI0g02 - 2 bit (4 level) grayscale
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test_file< gray2_image_t >( "BASI0G02.PNG" );
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// BASI0g04 - 4 bit (16 level) grayscale
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test_file< gray4_image_t >( "BASI0G04.PNG" );
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// BASI0g08 - 8 bit (256 level) grayscale
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test_file< gray8_image_t >( "BASI0G08.PNG" );
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// BASI0g16 - 16 bit (64k level) grayscale
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test_file< gray16_image_t >( "BASI0G16.PNG" );
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// BASI2c08 - 3x8 bits rgb color
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test_file< rgb8_image_t >( "BASI2C08.PNG" );
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// BASI2c16 - 3x16 bits rgb color
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test_file< rgb16_image_t >( "BASI2C16.PNG" );
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// BASI3p01 - 1 bit (2 color) paletted
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test_file< rgb8_image_t >( "BASI3P01.PNG" );
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// BASI3p02 - 2 bit (4 color) paletted
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test_file< rgb8_image_t >( "BASI3P02.PNG" );
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// BASI3p04 - 4 bit (16 color) paletted
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test_file< rgb8_image_t >( "BASI3P04.PNG" );
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// BASI3p08 - 8 bit (256 color) paletted
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test_file< rgb8_image_t >( "BASI3P08.PNG" );
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// BASI4a08 - 8 bit grayscale + 8 bit alpha-channel
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test_file< gray_alpha8_image_t >( "BASI4A08.PNG" );
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// BASI4a16 - 16 bit grayscale + 16 bit alpha-channel
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test_file< gray_alpha16_image_t >( "BASI4A16.PNG" );
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// BASI6a08 - 3x8 bits rgb color + 8 bit alpha-channel
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test_file< rgba8_image_t >( "BASI6A08.PNG" );
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// BASI6a16 - 3x16 bits rgb color + 16 bit alpha-channel
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test_file< rgba16_image_t >( "BASI6A16.PNG" );
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}
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BOOST_AUTO_TEST_CASE( odd_sizes_test )
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{
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// S01I3P01 - 1x1 paletted file, interlaced
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test_file< rgb8_image_t >( "S01I3P01.PNG" );
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// S01N3P01 - 1x1 paletted file, no interlacing
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test_file< rgb8_image_t >( "S01N3P01.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S01N3P01.PNG" );
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// S02I3P01 - 2x2 paletted file, interlaced
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test_file< rgb8_image_t >( "S02I3P01.PNG" );
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// S02N3P01 - 2x2 paletted file, no interlacing
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test_file< rgb8_image_t >( "S02N3P01.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S02N3P01.PNG" );
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// S03I3P01 - 3x3 paletted file, interlaced
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test_file< rgb8_image_t >( "S03I3P01.PNG" );
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// S03N3P01 - 3x3 paletted file, no interlacing
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test_file< rgb8_image_t >( "S03N3P01.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S03N3P01.PNG" );
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// S04I3P01 - 4x4 paletted file, interlaced
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test_file< rgb8_image_t >( "S04I3P01.PNG" );
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// S04N3P01 - 4x4 paletted file, no interlacing
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test_file< rgb8_image_t >( "S04N3P01.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S04N3P01.PNG" );
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// S05I3P02 - 5x5 paletted file, interlaced
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test_file< rgb8_image_t >( "S05I3P02.PNG" );
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// S05N3P02 - 5x5 paletted file, no interlacing
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test_file< rgb8_image_t >( "S05N3P02.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S05N3P02.PNG" );
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// S06I3P02 - 6x6 paletted file, interlaced
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test_file< rgb8_image_t >( "S06I3P02.PNG" );
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// S06N3P02 - 6x6 paletted file, no interlacing
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test_file< rgb8_image_t >( "S06N3P02.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S06N3P02.PNG" );
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// S07I3P02 - 7x7 paletted file, interlaced
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test_file< rgb8_image_t >( "S07I3P02.PNG" );
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// S07N3P02 - 7x7 paletted file, no interlacing
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test_file< rgb8_image_t >( "S07N3P02.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S07N3P02.PNG" );
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// S08I3P02 - 8x8 paletted file, interlaced
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test_file< rgb8_image_t >( "S08I3P02.PNG" );
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// S08N3P02 - 8x8 paletted file, no interlacing
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test_file< rgb8_image_t >( "S08N3P02.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S08N3P02.PNG" );
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// S09I3P02 - 9x9 paletted file, interlaced
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test_file< rgb8_image_t >( "S09I3P02.PNG" );
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// S09N3P02 - 9x9 paletted file, no interlacing
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test_file< rgb8_image_t >( "S09N3P02.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S09N3P02.PNG" );
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// S32I3P04 - 32x32 paletted file, interlaced
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test_file< rgb8_image_t >( "S32I3P04.PNG" );
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// S32N3P04 - 32x32 paletted file, no interlacing
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test_file< rgb8_image_t >( "S32N3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S32N3P04.PNG" );
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// S33I3P04 - 33x33 paletted file, interlaced
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test_file< rgb8_image_t >( "S33I3P04.PNG" );
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// S33N3P04 - 33x33 paletted file, no interlacing
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test_file< rgb8_image_t >( "S33N3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S33N3P04.PNG" );
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// S34I3P04 - 34x34 paletted file, interlaced
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test_file< rgb8_image_t >( "S34I3P04.PNG" );
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// S34N3P04 - 34x34 paletted file, no interlacing
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test_file< rgb8_image_t >( "S34N3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S34N3P04.PNG" );
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// S35I3P04 - 35x35 paletted file, interlaced
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test_file< rgb8_image_t >( "S35I3P04.PNG" );
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// S35N3P04 - 35x35 paletted file, no interlacing
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test_file< rgb8_image_t >( "S35N3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S35N3P04.PNG" );
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// S36I3P04 - 36x36 paletted file, interlaced
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test_file< rgb8_image_t >( "S36I3P04.PNG" );
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// S36N3P04 - 36x36 paletted file, no interlacing
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test_file< rgb8_image_t >( "S36N3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S36N3P04.PNG" );
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// S37I3P04 - 37x37 paletted file, interlaced
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test_file< rgb8_image_t >( "S37I3P04.PNG" );
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// S37N3P04 - 37x37 paletted file, no interlacing
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test_file< rgb8_image_t >( "S37N3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S37N3P04.PNG" );
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// S38I3P04 - 38x38 paletted file, interlaced
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test_file< rgb8_image_t >( "S38I3P04.PNG" );
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// S38N3P04 - 38x38 paletted file, no interlacing
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test_file< rgb8_image_t >( "S38N3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S38N3P04.PNG" );
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// S39I3P04 - 39x39 paletted file, interlaced
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test_file< rgb8_image_t >( "S39I3P04.PNG" );
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// S39N3P04 - 39x39 paletted file, no interlacing
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test_file< rgb8_image_t >( "S39N3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S39N3P04.PNG" );
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// S40I3P04 - 40x40 paletted file, interlaced
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test_file< rgb8_image_t >( "S40I3P04.PNG" );
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// S40N3P04 - 40x40 paletted file, no interlacing
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test_file< rgb8_image_t >( "S40N3P04.PNG" );
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test_png_scanline_reader< rgb8_image_t >( "S40N3P04.PNG" );
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}
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BOOST_AUTO_TEST_CASE( background_test )
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{
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// BGAI4A08 - 8 bit grayscale, alpha, no background chunk, interlaced
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test_file< gray_alpha8_image_t >( "BGAI4A08.PNG" );
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// BGAI4A16 - 16 bit grayscale, alpha, no background chunk, interlaced
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test_file< gray_alpha16_image_t >( "BGAI4A16.PNG" );
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// BGAN6A08 - 3x8 bits rgb color, alpha, no background chunk
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test_file< rgba8_image_t >( "BGAN6A08.PNG" );
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// BGAN6A16 - 3x16 bits rgb color, alpha, no background chunk
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test_file< rgba16_image_t >( "BGAN6A16.PNG" );
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// BGBN4A08 - 8 bit grayscale, alpha, black background chunk
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test_file< gray_alpha8_image_t >( "BGBN4A08.PNG" );
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// BGGN4A16 - 16 bit grayscale, alpha, gray background chunk
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test_file< gray_alpha16_image_t >( "BGGN4A16.PNG" );
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// BGWN6A08 - 3x8 bits rgb color, alpha, white background chunk
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test_file< rgba8_image_t >( "BGWN6A08.PNG" );
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// BGYN6A16 - 3x16 bits rgb color, alpha, yellow background chunk
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test_file< rgba16_image_t >( "BGYN6A16.PNG" );
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}
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BOOST_AUTO_TEST_CASE( transparency_test )
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{
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// TBBN1G04 - transparent, black background chunk
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// file missing
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//test_file< gray_alpha8_image_t >( "TBBN1G04.PNG" );
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// TBBN2C16 - transparent, blue background chunk
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test_file< rgba16_image_t >( "TBBN2C16.PNG" );
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// TBBN3P08 - transparent, black background chunk
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test_file< rgba8_image_t >( "TBBN3P08.PNG" );
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// TBGN2C16 - transparent, green background chunk
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test_file< rgba16_image_t >( "TBGN2C16.PNG" );
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// TBGN3P08 - transparent, light-gray background chunk
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test_file< rgba8_image_t >( "TBGN3P08.PNG" );
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// TBRN2C08 - transparent, red background chunk
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test_file< rgba8_image_t >( "TBRN2C08.PNG" );
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// TBWN1G16 - transparent, white background chunk
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test_file< gray_alpha16_image_t >( "TBWN0G16.PNG" );
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// TBWN3P08 - transparent, white background chunk
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test_file< rgba8_image_t >( "TBWN3P08.PNG" );
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// TBYN3P08 - transparent, yellow background chunk
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test_file< rgba8_image_t >( "TBYN3P08.PNG" );
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// TP0N1G08 - not transparent for reference (logo on gray)
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test_file< gray8_image_t >( "TP0N0G08.PNG" );
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// TP0N2C08 - not transparent for reference (logo on gray)
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test_file< rgb8_image_t >( "TP0N2C08.PNG" );
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// TP0N3P08 - not transparent for reference (logo on gray)
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test_file< rgb8_image_t >( "TP0N3P08.PNG" );
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// TP1N3P08 - transparent, but no background chunk
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test_file< rgba8_image_t >( "TP1N3P08.PNG" );
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}
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BOOST_AUTO_TEST_CASE( gamma_test )
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{
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// G03N0G16 - grayscale, file-gamma = 0.35
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test_file< gray16_image_t >( "G03N0G16.PNG" );
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// G03N2C08 - color, file-gamma = 0.35
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test_file< rgb8_image_t >( "G03N2C08.PNG" );
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// G03N3P04 - paletted, file-gamma = 0.35
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test_file< rgb8_image_t >( "G03N3P04.PNG" );
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// G04N0G16 - grayscale, file-gamma = 0.45
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test_file< gray16_image_t >( "G04N0G16.PNG" );
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// G04N2C08 - color, file-gamma = 0.45
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test_file< rgb8_image_t >( "G04N2C08.PNG" );
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// G04N3P04 - paletted, file-gamma = 0.45
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test_file< rgb8_image_t >( "G04N3P04.PNG" );
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// G05N0G16 - grayscale, file-gamma = 0.55
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test_file< gray16_image_t >( "G05N0G16.PNG" );
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// G05N2C08 - color, file-gamma = 0.55
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test_file< rgb8_image_t >( "G05N2C08.PNG" );
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// G05N3P04 - paletted, file-gamma = 0.55
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test_file< rgb8_image_t >( "G05N3P04.PNG" );
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// G07N0G16 - grayscale, file-gamma = 0.70
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test_file< gray16_image_t >( "G07N0G16.PNG" );
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// G07N2C08 - color, file-gamma = 0.70
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test_file< rgb8_image_t >( "G07N2C08.PNG" );
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// G07N3P04 - paletted, file-gamma = 0.70
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test_file< rgb8_image_t >( "G07N3P04.PNG" );
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// G10N0G16 - grayscale, file-gamma = 1.00
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test_file< gray16_image_t >( "G10N0G16.PNG" );
|
|
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// G10N2C08 - color, file-gamma = 1.00
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test_file< rgb8_image_t >( "G10N2C08.PNG" );
|
|
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// G10N3P04 - paletted, file-gamma = 1.00
|
|
test_file< rgb8_image_t >( "G10N3P04.PNG" );
|
|
|
|
// G25N0G16 - grayscale, file-gamma = 2.50
|
|
test_file< gray16_image_t >( "G25N0G16.PNG" );
|
|
|
|
// G25N2C08 - color, file-gamma = 2.50
|
|
test_file< rgb8_image_t >( "G25N2C08.PNG" );
|
|
|
|
// G25N3P04 - paletted, file-gamma = 2.50
|
|
test_file< rgb8_image_t >( "G25N3P04.PNG" );
|
|
}
|
|
|
|
#endif // BOOST_GIL_IO_USE_PNG_TEST_SUITE_IMAGES
|
|
|
|
BOOST_AUTO_TEST_SUITE_END()
|