#include <libcxml/cxml.h>
#include "config.h"
#include "colour_conversion.h"
+#include "util.h"
#include "i18n.h"
return i;
}
+string
+ColourConversion::identifier () const
+{
+ double numbers[12];
+
+ int n = 0;
+ numbers[n++] = input_gamma;
+ numbers[n++] = input_gamma_linearised;
+ for (int i = 0; i < 3; ++i) {
+ for (int j = 0; j < 3; ++j) {
+ numbers[n++] = matrix (i, j);
+ }
+ }
+ numbers[n++] = output_gamma;
+
+ assert (n == 12);
+
+ return md5_digest (numbers, 12 * sizeof (double));
+}
+
PresetColourConversion::PresetColourConversion ()
: name (_("Untitled"))
{
--- /dev/null
+/*
+ Copyright (C) 2013 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.
+
+*/
+
+#include <boost/test/unit_test.hpp>
+#include <libdcp/colour_matrix.h>
+#include "lib/colour_conversion.h"
+
+using std::cout;
+
+/* Basic test of identifier() for ColourConversion (i.e. a hash of the numbers) */
+BOOST_AUTO_TEST_CASE (colour_conversion_test)
+{
+ ColourConversion A (2.4, true, libdcp::colour_matrix::srgb_to_xyz, 2.6);
+ ColourConversion B (2.4, false, libdcp::colour_matrix::srgb_to_xyz, 2.6);
+
+ BOOST_CHECK_EQUAL (A.identifier(), "246ff9b7dc32c0488948a32a713924b3");
+ BOOST_CHECK_EQUAL (B.identifier(), "a8d1da30f96a121d8db06a03409758b3");
+}