2 Copyright (C) 2013-2014 Carl Hetherington <cth@carlh.net>
4 This program is free software; you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 2 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program; if not, write to the Free Software
16 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 #include "colour_matrix.h"
22 /* sRGB color matrix for XYZ -> RGB. This is the same as the one used by the Fraunhofer
23 EasyDCP player, I think.
26 double const dcp::colour_matrix::xyz_to_rgb[3][3] = {
27 { 3.24096989631653, -1.5373831987381, -0.498610764741898 },
28 { -0.96924364566803, 1.87596750259399, 0.0415550582110882 },
29 { 0.0556300804018974, -0.203976958990097, 1.05697154998779 }
32 double const dcp::colour_matrix::srgb_to_xyz[3][3] = {
33 {0.4124564, 0.3575761, 0.1804375},
34 {0.2126729, 0.7151522, 0.0721750},
35 {0.0193339, 0.1191920, 0.9503041}
38 double const dcp::colour_matrix::rec709_to_xyz[3][3] = {
39 { 0.412390799265959, 0.357584339383878, 0.180480788401834 },
40 { 0.21263900587151, 0.715168678767756, 0.0721923153607337 },
41 { 0.0193308187155918, 0.119194779794626, 0.950532152249661 }