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/*
Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/** @file test/colour_conversion_test.cc
* @brief Various tests of ColourConversion.
*/
#include "lib/colour_conversion.h"
#include <dcp/colour_matrix.h>
#include <dcp/gamma_transfer_function.h>
#include <libxml++/libxml++.h>
#include <boost/test/unit_test.hpp>
using std::cout;
using boost::shared_ptr;
BOOST_AUTO_TEST_CASE (colour_conversion_test1)
{
ColourConversion A (dcp::ColourConversion::srgb_to_xyz ());
ColourConversion B (dcp::ColourConversion::rec709_to_xyz ());
BOOST_CHECK_EQUAL (A.identifier(), "8b5a265a7c63c22a6a8fc871c64d6116");
BOOST_CHECK_EQUAL (B.identifier(), "bc82e69f700d0426f2ae1848d05ed006");
}
BOOST_AUTO_TEST_CASE (colour_conversion_test2)
{
ColourConversion A (dcp::ColourConversion::srgb_to_xyz ());
xmlpp::Document doc;
xmlpp::Element* root = doc.create_root_node ("Test");
A.as_xml (root);
BOOST_CHECK_EQUAL (
doc.write_to_string_formatted ("UTF-8"),
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<Test>\n"
" <InputTransferFunction>\n"
" <Type>ModifiedGamma</Type>\n"
" <Power>2.400000095367432</Power>\n"
" <Threshold>0.04044999927282333</Threshold>\n"
" <A>0.05499999970197678</A>\n"
" <B>12.92000007629395</B>\n"
" </InputTransferFunction>\n"
" <Matrix i=\"0\" j=\"0\">0.4124564</Matrix>\n"
" <Matrix i=\"0\" j=\"1\">0.3575761</Matrix>\n"
" <Matrix i=\"0\" j=\"2\">0.1804375</Matrix>\n"
" <Matrix i=\"1\" j=\"0\">0.2126729</Matrix>\n"
" <Matrix i=\"1\" j=\"1\">0.7151522</Matrix>\n"
" <Matrix i=\"1\" j=\"2\">0.072175</Matrix>\n"
" <Matrix i=\"2\" j=\"0\">0.0193339</Matrix>\n"
" <Matrix i=\"2\" j=\"1\">0.119192</Matrix>\n"
" <Matrix i=\"2\" j=\"2\">0.9503041</Matrix>\n"
" <OutputGamma>2.599999904632568</OutputGamma>\n"
"</Test>\n"
);
}
BOOST_AUTO_TEST_CASE (colour_conversion_test3)
{
ColourConversion A (dcp::ColourConversion::rec709_to_xyz ());
xmlpp::Document doc;
xmlpp::Element* root = doc.create_root_node ("Test");
A.as_xml (root);
BOOST_CHECK_EQUAL (
doc.write_to_string_formatted ("UTF-8"),
"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
"<Test>\n"
" <InputTransferFunction>\n"
" <Type>ModifiedGamma</Type>\n"
" <Power>2.400000095367432</Power>\n"
" <Threshold>0.08100000023841858</Threshold>\n"
" <A>0.0989999994635582</A>\n"
" <B>4.5</B>\n"
" </InputTransferFunction>\n"
" <Matrix i=\"0\" j=\"0\">0.4124564</Matrix>\n"
" <Matrix i=\"0\" j=\"1\">0.3575761</Matrix>\n"
" <Matrix i=\"0\" j=\"2\">0.1804375</Matrix>\n"
" <Matrix i=\"1\" j=\"0\">0.2126729</Matrix>\n"
" <Matrix i=\"1\" j=\"1\">0.7151522</Matrix>\n"
" <Matrix i=\"1\" j=\"2\">0.072175</Matrix>\n"
" <Matrix i=\"2\" j=\"0\">0.0193339</Matrix>\n"
" <Matrix i=\"2\" j=\"1\">0.119192</Matrix>\n"
" <Matrix i=\"2\" j=\"2\">0.9503041</Matrix>\n"
" <OutputGamma>2.599999904632568</OutputGamma>\n"
"</Test>\n"
);
}
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