262 lines
8.4 KiB
C++
262 lines
8.4 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _ICCMATRICES_
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#define _ICCMATRICES_
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// Bradford transform between illuminants
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constexpr double d65_d50[3][3] = {
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{0.9555766, -0.0230393, 0.0631636},
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{ -0.0282895, 1.0099416, 0.0210077},
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{0.0122982, -0.0204830, 1.3299098}
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};
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constexpr double d50_d65[3][3] = {
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{ 1.0478112, 0.0228866, -0.0501270},
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{0.0295424, 0.9904844, -0.0170491},
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{ -0.0092345, 0.0150436, 0.7521316}
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};
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// Color space conversion to/from XYZ; color spaces adapted to D65
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constexpr double xyz_sRGBd65[3][3] = {
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{0.4124564, 0.3575761, 0.1804375},
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{0.2126729, 0.7151522, 0.0721750}, // WARNING: the summ of this line is > 1.0
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{0.0193339, 0.1191920, 0.9503041}
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};
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constexpr double sRGBd65_xyz[3][3] = {
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{ 3.2404542, -1.5371385, -0.4985314},
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{ -0.9692660, 1.8760108, 0.0415560},
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{0.0556434, -0.2040259, 1.0572252}
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};
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//%%%%%%%%%%%%%%%%%%%%%%%%
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// TEST using Gabor's matrices
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/*constexpr double xyz_sRGB[3][3] = {
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{0.435859, 0.385336, 0.143023},
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{0.222385, 0.717021, 0.0605936 },
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{0.0139162, 0.0971389, 0.713817}};
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constexpr double sRGB_xyz[3][3] = {
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{3.13593293538656, -1.61878246026431, -0.490913888760734},
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{-0.978702373022194, 1.91609508555177, 0.0334453372795315},
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{0.0720490013929888, -0.22919049060526, 1.40593851447263}};*/
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//%%%%%%%%%%%%%%%%%%%%%%%%
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// Color space conversion to/from XYZ; color spaces adapted to D50 using Bradford transform
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constexpr double xyz_sRGB[3][3] = {
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{0.4360747, 0.3850649, 0.1430804},
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{0.2225045, 0.7168786, 0.0606169},
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{0.0139322, 0.0971045, 0.7141733}
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};
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constexpr double sRGB_xyz[3][3] = {
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{3.1338561, -1.6168667, -0.4906146},
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{ -0.9787684, 1.9161415, 0.0334540},
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{0.0719453, -0.2289914, 1.4052427}
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};
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constexpr double xyz_adobe[3][3] = {
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{0.6097559, 0.2052401, 0.1492240},
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{0.3111242, 0.6256560, 0.0632197},
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{0.0194811, 0.0608902, 0.7448387}
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};
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constexpr double adobe_xyz[3][3] = {
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{1.9624274, -0.6105343, -0.3413404},
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{ -0.9787684, 1.9161415, 0.0334540},
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{0.0286869, -0.1406752, 1.3487655}
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};
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constexpr double xyz_prophoto[3][3] = {
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{0.7976749, 0.1351917, 0.0313534},
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{0.2880402, 0.7118741, 0.0000857},
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{0.0000000, 0.0000000, 0.8252100}
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};
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constexpr double prophoto_xyz[3][3] = {
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{1.3459433, -0.2556075, -0.0511118},
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{ -0.5445989, 1.5081673, 0.0205351},
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{0.0000000, 0.0000000, 1.2118128}
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};
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/*
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constexpr double xyz_rec2020[3][3] = {
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{0.636958, 0.144617, 0.168881},
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{0.262700, 0.677998, 0.059302},
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{0.0000000, 0.028073, 1.060985}
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};
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constexpr double rec2020_xyz[3][3] = {
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{1.716651, -0.355671, -0.253366},
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{ -0.666684, 1.616481, 0.015769},
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{0.017640, -0.042771, 0.942103}
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};
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*/
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constexpr double xyz_rec2020[3][3] = {
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{0.6734241, 0.1656411, 0.1251286},
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{0.2790177, 0.6753402, 0.0456377},
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{ -0.0019300, 0.0299784, 0.7973330}
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};
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constexpr double rec2020_xyz[3][3] = {
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{1.6473376, -0.3935675, -0.2359961},
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{ -0.6826036, 1.6475887, 0.0128190},
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{0.0296524, -0.0628993, 1.2531279}
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};
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constexpr double xyz_widegamut[3][3] = {
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{0.7161046, 0.1009296, 0.1471858},
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{0.2581874, 0.7249378, 0.0168748},
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{0.0000000, 0.0517813, 0.7734287}
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};
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constexpr double widegamut_xyz[3][3] = {
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{ 1.4628067, -0.1840623, -0.2743606},
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{ -0.5217933, 1.4472381, 0.0677227},
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{0.0349342, -0.0968930, 1.2884099}
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};
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constexpr double xyz_bruce[3][3] = {
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{0.4941816, 0.3204834, 0.1495550},
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{0.2521531, 0.6844869, 0.0633600},
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{0.0157886, 0.0629304, 0.7464909}
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};
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constexpr double bruce_xyz[3][3] = {
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{2.6502856, -1.2014485, -0.4289936},
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{ -0.9787684, 1.9161415, 0.0334540},
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{0.0264570, -0.1361227, 1.3458542}
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};
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constexpr double xyz_beta[3][3] = {
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{0.6712537, 0.1745834, 0.1183829},
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{0.3032726, 0.6637861, 0.0329413},
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{0.0000000, 0.0407010, 0.7845090}
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};
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constexpr double beta_xyz[3][3] = {
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{1.6832270, -0.4282363, -0.2360185},
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{ -0.7710229, 1.7065571, 0.0446900},
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{0.0400013, -0.0885376, 1.2723640}
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};
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constexpr double xyz_best[3][3] = {
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{0.6326696, 0.2045558, 0.1269946},
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{0.2284569, 0.7373523, 0.0341908},
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{0.0000000, 0.0095142, 0.8156958}
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};
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constexpr double best_xyz[3][3] = {
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{1.7552599, -0.4836786, -0.2530000},
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{ -0.5441336, 1.5068789, 0.0215528},
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{0.0063467, -0.0175761, 1.2256959}
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};
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/*
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constexpr double sRGB_d50[3][3] = {
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{0.4360520246092, 0.2224915978656, 0.0139291219896},
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{0.38508159282, 0.716886060114, 0.09709700166},
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{0.1430874138552, 0.0606214863936, 0.714185469944}
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};
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constexpr double d50_sRGB[3][3] = {
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{3.13405134405167,-0.978762729953942, 0.0719425766617001},
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{-1.61702771153574,1.91614222810656, -0.228971178679309},
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{-0.49065220876631,0.0334496273068589, 1.40521830559074}
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};
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*/
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/*
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// Gabor's matrices
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constexpr double sRGB_d50[3][3] = {
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{0.435859, 0.222385, 0.0139162},
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{0.385336, 0.717021, 0.0971389},
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{0.143023, 0.0605936, 0.713817}
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};
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constexpr double d50_sRGB[3][3] = {
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{3.13593293538656, -0.978702373022194, 0.0720490013929888},
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{-1.61878246026431, 1.91609508555177, -0.22919049060526},
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{-0.490913888760734, 0.0334453372795315, 1.40593851447263}
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};
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constexpr double adobe_d50[3][3] = {
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{0.6097395054954, 0.3111142944042, 0.0194773131652},
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{0.2052518325737, 0.6256618480686, 0.0608872306106},
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{0.1492308013399, 0.0632241329247, 0.744846530711}
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};
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constexpr double d50_adobe[3][3] = {
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{1.9624959949628, -0.978762712052774, 0.0286904764959749},
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{-0.610587687828765,1.91614073756734, -0.140667763143042},
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{-0.34136021627766, 0.0334501217627688, 1.34875045144924}
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};
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constexpr double prophoto_d50[3][3] = {
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{0.797675, 0.288040, 0.000000},
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{0.135192, 0.711874, 0.000000},
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{0.0313534,0.000086, 0.825210}
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};
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constexpr double d50_prophoto[3][3] = {
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{1.34594335079331, -0.544598514291158, 0},
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{-0.255608118122657, 1.50816768465213, 0},
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{-0.0511117387775285, 0.0205345459181255, 1.21181275069376}
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};
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constexpr double widegamut_d50[3][3] = {
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{0.716105, 0.258187, 0.000000},
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{0.100930, 0.724938, 0.0517813},
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{0.147186, 0.0168748, 0.773429}
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};
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constexpr double d50_widegamut[3][3] = {
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{1.46280597103052, -0.521792197260068, 0.0349341417298585},
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{-0.184062984909417, 1.44723786022891, -0.0968930022172314},
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{-0.27436071519732, 0.0677226440980744,1.28840945122198}
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};
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constexpr double bruce_d50[3][3] = {
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{0.4941607255908, 0.2521412970174, 0.0157852934504},
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{0.3204990468435, 0.684494580042, 0.062927176507},
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{0.1495612990809, 0.0633643619597, 0.746498914581}
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};
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constexpr double d50_bruce[3][3] = {
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{2.65042308164152, -0.978762745761462, 0.0264609493245811},
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{-1.20155941925411, 1.9161402914007, -0.136115844662896},
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{-0.42902228923717, 0.0334495071197919, 1.34583900936772}
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};
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constexpr double beta_d50[3][3] = {
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{0.671254, 0.303273, 0.000000},
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{0.174583, 0.663786, 0.040701},
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{0.118383, 0.0329413, 0.784509}
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};
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constexpr double d50_beta[3][3] = {
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{1.68322591962771, -0.771023599950842, 0.0400013658754702},
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{-0.428235060337656, 1.70655704781303, -0.0885376438040078},
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{-0.236018598193503, 0.0446902191738489,1.27236406897742}
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};
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constexpr double best_d50[3][3] = {
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{0.632670, 0.228457, 0.000000},
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{0.204556, 0.737352, 0.00951424},
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{0.126995, 0.0341908, 0.815696}
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};
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constexpr double d50_best[3][3] = {
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{1.75525923340349, -0.544133953997468, 0.00634675299435191},
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{-0.483679025800866, 1.50687975713407, -0.017576175021718},
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{-0.253000840399762, 0.0215532098817316,1.22569552576991}
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};
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*/
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#endif
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