Differential D5928 Diff 23698 colorcorrection/constants.h

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colorcorrection/constants.h

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1​/********************************************************************
2​ KWin - the KDE window manager
3​ This file is part of the KDE project.
4​
5​Copyright 2017 Roman Gilg <subdiff@gmail.com>
6​
7​This program is free software; you can redistribute it and/or modify
8​it under the terms of the GNU General Public License as published by
9​the Free Software Foundation; either version 2 of the License, or
10​(at your option) any later version.
11​
12​This program is distributed in the hope that it will be useful,
13​but WITHOUT ANY WARRANTY; without even the implied warranty of
14​MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15​GNU General Public License for more details.
16​
17​You should have received a copy of the GNU General Public License
18​along with this program. If not, see <http://www.gnu.org/licenses/>.
19​*********************************************************************/
20​#ifndef KWIN_NIGHTCOLOR_CONSTANTS_H
21​#define KWIN_NIGHTCOLOR_CONSTANTS_H
22​
23​namespace KWin
24​{
25​namespace ColorCorrect
26​{
27​
28​static const int MSC_DAY = 86400000;
29​static const int MIN_TEMPERATURE = 1000;
30​static const int NEUTRAL_TEMPERATURE = 6500;
31​static const int DEFAULT_NIGHT_TEMPERATURE = 4500;
32​static const int FALLBACK_SLOW_UPDATE_TIME = 1800000; /* 30 minutes */
33​
34​/* Whitepoint values for temperatures at 100K intervals.
35​ * These will be interpolated for the actual temperature.
36​ * This table was provided by Ingo Thies, 2013.
37​ * See the following file for more information:
38​ * https://github.com/jonls/redshift/blob/master/README-colorramp
39​ */
40​static const float blackbodyColor[] = {
graesslinUnsubmitted
Done

What's the license for this? Looking at the linked readme I do not see any license. If the Redshift license applies it would be GPLv3+ which is something I have not allowed so far in KWin/Core as it would remove the GPLv2 option. But to me this looks like a database so other licensing might apply.

summoning @jriddell for support.

graesslin: What's the license for this? Looking at the linked readme I do not see any license. If the…
romanggAuthorUnsubmitted
Done

I have rewritten the lines, such that it can not count any longer as a copy. I also contacted Ingo Thies, and he gave me permission in an email to use the data in KWin (although raw data, as he also mentioned in the mail, is probably not copyrightable anyway).

Hence I think this issue has been resolved and I mark the comment as done.

romangg: I have rewritten the lines, such that it can not count any longer as a copy. I also contacted…
41​ 1.00000000, 0.18172716, 0.00000000, /* 1000K */
42​ 1.00000000, 0.25503671, 0.00000000, /* 1100K */
43​ 1.00000000, 0.30942099, 0.00000000, /* 1200K */
44​ 1.00000000, 0.35357379, 0.00000000, /* ... */
45​ 1.00000000, 0.39091524, 0.00000000,
46​ 1.00000000, 0.42322816, 0.00000000,
47​ 1.00000000, 0.45159884, 0.00000000,
48​ 1.00000000, 0.47675916, 0.00000000,
49​ 1.00000000, 0.49923747, 0.00000000,
50​ 1.00000000, 0.51943421, 0.00000000,
51​ 1.00000000, 0.54360078, 0.08679949, /* 2000K */
52​ 1.00000000, 0.56618736, 0.14065513,
53​ 1.00000000, 0.58734976, 0.18362641,
54​ 1.00000000, 0.60724493, 0.22137978,
55​ 1.00000000, 0.62600248, 0.25591950,
56​ 1.00000000, 0.64373109, 0.28819679,
57​ 1.00000000, 0.66052319, 0.31873863,
58​ 1.00000000, 0.67645822, 0.34786758,
59​ 1.00000000, 0.69160518, 0.37579588,
60​ 1.00000000, 0.70602449, 0.40267128,
61​ 1.00000000, 0.71976951, 0.42860152, /* 3000K */
62​ 1.00000000, 0.73288760, 0.45366838,
63​ 1.00000000, 0.74542112, 0.47793608,
64​ 1.00000000, 0.75740814, 0.50145662,
65​ 1.00000000, 0.76888303, 0.52427322,
66​ 1.00000000, 0.77987699, 0.54642268,
67​ 1.00000000, 0.79041843, 0.56793692,
68​ 1.00000000, 0.80053332, 0.58884417,
69​ 1.00000000, 0.81024551, 0.60916971,
70​ 1.00000000, 0.81957693, 0.62893653,
71​ 1.00000000, 0.82854786, 0.64816570, /* 4000K */
72​ 1.00000000, 0.83717703, 0.66687674,
73​ 1.00000000, 0.84548188, 0.68508786,
74​ 1.00000000, 0.85347859, 0.70281616,
75​ 1.00000000, 0.86118227, 0.72007777,
76​ 1.00000000, 0.86860704, 0.73688797, /* 4500K */
77​ 1.00000000, 0.87576611, 0.75326132,
78​ 1.00000000, 0.88267187, 0.76921169,
79​ 1.00000000, 0.88933596, 0.78475236,
80​ 1.00000000, 0.89576933, 0.79989606,
81​ 1.00000000, 0.90198230, 0.81465502, /* 50000K */
masponsUnsubmitted
Done

5000K ?

maspons: 5000K ?
82​ 1.00000000, 0.90963069, 0.82838210,
83​ 1.00000000, 0.91710889, 0.84190889,
84​ 1.00000000, 0.92441842, 0.85523742,
85​ 1.00000000, 0.93156127, 0.86836903,
86​ 1.00000000, 0.93853986, 0.88130458,
87​ 1.00000000, 0.94535695, 0.89404470,
88​ 1.00000000, 0.95201559, 0.90658983,
89​ 1.00000000, 0.95851906, 0.91894041,
90​ 1.00000000, 0.96487079, 0.93109690,
91​ 1.00000000, 0.97107439, 0.94305985, /* 6000K */
92​ 1.00000000, 0.97713351, 0.95482993,
93​ 1.00000000, 0.98305189, 0.96640795,
94​ 1.00000000, 0.98883326, 0.97779486,
95​ 1.00000000, 0.99448139, 0.98899179,
96​ 1.00000000, 1.00000000, 1.00000000, /* 6500K */
97​ 0.98947904, 0.99348723, 1.00000000,
98​ 0.97940448, 0.98722715, 1.00000000,
99​ 0.96975025, 0.98120637, 1.00000000,
100​ 0.96049223, 0.97541240, 1.00000000,
101​ 0.95160805, 0.96983355, 1.00000000, /* 7000K */
102​ 0.94303638, 0.96443333, 1.00000000,
103​ 0.93480451, 0.95923080, 1.00000000,
104​ 0.92689056, 0.95421394, 1.00000000,
105​ 0.91927697, 0.94937330, 1.00000000,
106​ 0.91194747, 0.94470005, 1.00000000,
107​ 0.90488690, 0.94018594, 1.00000000,
108​ 0.89808115, 0.93582323, 1.00000000,
109​ 0.89151710, 0.93160469, 1.00000000,
110​ 0.88518247, 0.92752354, 1.00000000,
111​ 0.87906581, 0.92357340, 1.00000000, /* 8000K */
112​ 0.87315640, 0.91974827, 1.00000000,
113​ 0.86744421, 0.91604254, 1.00000000,
114​ 0.86191983, 0.91245088, 1.00000000,
115​ 0.85657444, 0.90896831, 1.00000000,
116​ 0.85139976, 0.90559011, 1.00000000,
117​ 0.84638799, 0.90231183, 1.00000000,
118​ 0.84153180, 0.89912926, 1.00000000,
119​ 0.83682430, 0.89603843, 1.00000000,
120​ 0.83225897, 0.89303558, 1.00000000,
121​ 0.82782969, 0.89011714, 1.00000000, /* 9000K */
122​ 0.82353066, 0.88727974, 1.00000000,
123​ 0.81935641, 0.88452017, 1.00000000,
124​ 0.81530175, 0.88183541, 1.00000000,
125​ 0.81136180, 0.87922257, 1.00000000,
126​ 0.80753191, 0.87667891, 1.00000000,
127​ 0.80380769, 0.87420182, 1.00000000,
128​ 0.80018497, 0.87178882, 1.00000000,
129​ 0.79665980, 0.86943756, 1.00000000,
130​ 0.79322843, 0.86714579, 1.00000000,
131​ 0.78988728, 0.86491137, 1.00000000, /* 10000K */
132​ 0.78663296, 0.86273225, 1.00000000,
133​ 0.78346225, 0.86060650, 1.00000000,
134​ 0.78037207, 0.85853224, 1.00000000,
135​ 0.77735950, 0.85650771, 1.00000000,
136​ 0.77442176, 0.85453121, 1.00000000,
137​ 0.77155617, 0.85260112, 1.00000000,
138​ 0.76876022, 0.85071588, 1.00000000,
139​ 0.76603147, 0.84887402, 1.00000000,
140​ 0.76336762, 0.84707411, 1.00000000,
141​ 0.76076645, 0.84531479, 1.00000000, /* 11000K */
142​ 0.75822586, 0.84359476, 1.00000000,
143​ 0.75574383, 0.84191277, 1.00000000,
144​ 0.75331843, 0.84026762, 1.00000000,
145​ 0.75094780, 0.83865816, 1.00000000,
146​ 0.74863017, 0.83708329, 1.00000000,
147​ 0.74636386, 0.83554194, 1.00000000,
148​ 0.74414722, 0.83403311, 1.00000000,
149​ 0.74197871, 0.83255582, 1.00000000,
150​ 0.73985682, 0.83110912, 1.00000000,
151​ 0.73778012, 0.82969211, 1.00000000, /* 12000K */
152​ 0.73574723, 0.82830393, 1.00000000,
153​ 0.73375683, 0.82694373, 1.00000000,
154​ 0.73180765, 0.82561071, 1.00000000,
155​ 0.72989845, 0.82430410, 1.00000000,
156​ 0.72802807, 0.82302316, 1.00000000,
157​ 0.72619537, 0.82176715, 1.00000000,
158​ 0.72439927, 0.82053539, 1.00000000,
159​ 0.72263872, 0.81932722, 1.00000000,
160​ 0.72091270, 0.81814197, 1.00000000,
161​ 0.71922025, 0.81697905, 1.00000000, /* 13000K */
162​ 0.71756043, 0.81583783, 1.00000000,
163​ 0.71593234, 0.81471775, 1.00000000,
164​ 0.71433510, 0.81361825, 1.00000000,
165​ 0.71276788, 0.81253878, 1.00000000,
166​ 0.71122987, 0.81147883, 1.00000000,
167​ 0.70972029, 0.81043789, 1.00000000,
168​ 0.70823838, 0.80941546, 1.00000000,
169​ 0.70678342, 0.80841109, 1.00000000,
170​ 0.70535469, 0.80742432, 1.00000000,
171​ 0.70395153, 0.80645469, 1.00000000, /* 14000K */
172​ 0.70257327, 0.80550180, 1.00000000,
173​ 0.70121928, 0.80456522, 1.00000000,
174​ 0.69988894, 0.80364455, 1.00000000,
175​ 0.69858167, 0.80273941, 1.00000000,
176​ 0.69729688, 0.80184943, 1.00000000,
177​ 0.69603402, 0.80097423, 1.00000000,
178​ 0.69479255, 0.80011347, 1.00000000,
179​ 0.69357196, 0.79926681, 1.00000000,
180​ 0.69237173, 0.79843391, 1.00000000,
181​ 0.69119138, 0.79761446, 1.00000000, /* 15000K */
182​ 0.69003044, 0.79680814, 1.00000000,
183​ 0.68888844, 0.79601466, 1.00000000,
184​ 0.68776494, 0.79523371, 1.00000000,
185​ 0.68665951, 0.79446502, 1.00000000,
186​ 0.68557173, 0.79370830, 1.00000000,
187​ 0.68450119, 0.79296330, 1.00000000,
188​ 0.68344751, 0.79222975, 1.00000000,
189​ 0.68241029, 0.79150740, 1.00000000,
190​ 0.68138918, 0.79079600, 1.00000000,
191​ 0.68038380, 0.79009531, 1.00000000, /* 16000K */
192​ 0.67939381, 0.78940511, 1.00000000,
193​ 0.67841888, 0.78872517, 1.00000000,
194​ 0.67745866, 0.78805526, 1.00000000,
195​ 0.67651284, 0.78739518, 1.00000000,
196​ 0.67558112, 0.78674472, 1.00000000,
197​ 0.67466317, 0.78610368, 1.00000000,
198​ 0.67375872, 0.78547186, 1.00000000,
199​ 0.67286748, 0.78484907, 1.00000000,
200​ 0.67198916, 0.78423512, 1.00000000,
201​ 0.67112350, 0.78362984, 1.00000000, /* 17000K */
202​ 0.67027024, 0.78303305, 1.00000000,
203​ 0.66942911, 0.78244457, 1.00000000,
204​ 0.66859988, 0.78186425, 1.00000000,
205​ 0.66778228, 0.78129191, 1.00000000,
206​ 0.66697610, 0.78072740, 1.00000000,
207​ 0.66618110, 0.78017057, 1.00000000,
208​ 0.66539706, 0.77962127, 1.00000000,
209​ 0.66462376, 0.77907934, 1.00000000,
210​ 0.66386098, 0.77854465, 1.00000000,
211​ 0.66310852, 0.77801705, 1.00000000, /* 18000K */
212​ 0.66236618, 0.77749642, 1.00000000,
213​ 0.66163375, 0.77698261, 1.00000000,
214​ 0.66091106, 0.77647551, 1.00000000,
215​ 0.66019791, 0.77597498, 1.00000000,
216​ 0.65949412, 0.77548090, 1.00000000,
217​ 0.65879952, 0.77499315, 1.00000000,
218​ 0.65811392, 0.77451161, 1.00000000,
219​ 0.65743716, 0.77403618, 1.00000000,
220​ 0.65676908, 0.77356673, 1.00000000,
221​ 0.65610952, 0.77310316, 1.00000000, /* 19000K */
222​ 0.65545831, 0.77264537, 1.00000000,
223​ 0.65481530, 0.77219324, 1.00000000,
224​ 0.65418036, 0.77174669, 1.00000000,
225​ 0.65355332, 0.77130560, 1.00000000,
226​ 0.65293404, 0.77086988, 1.00000000,
227​ 0.65232240, 0.77043944, 1.00000000,
228​ 0.65171824, 0.77001419, 1.00000000,
229​ 0.65112144, 0.76959404, 1.00000000,
230​ 0.65053187, 0.76917889, 1.00000000,
231​ 0.64994941, 0.76876866, 1.00000000, /* 20000K */
232​ 0.64937392, 0.76836326, 1.00000000,
233​ 0.64880528, 0.76796263, 1.00000000,
234​ 0.64824339, 0.76756666, 1.00000000,
235​ 0.64768812, 0.76717529, 1.00000000,
236​ 0.64713935, 0.76678844, 1.00000000,
237​ 0.64659699, 0.76640603, 1.00000000,
238​ 0.64606092, 0.76602798, 1.00000000,
239​ 0.64553103, 0.76565424, 1.00000000,
240​ 0.64500722, 0.76528472, 1.00000000,
241​ 0.64448939, 0.76491935, 1.00000000, /* 21000K */
242​ 0.64397745, 0.76455808, 1.00000000,
243​ 0.64347129, 0.76420082, 1.00000000,
244​ 0.64297081, 0.76384753, 1.00000000,
245​ 0.64247594, 0.76349813, 1.00000000,
246​ 0.64198657, 0.76315256, 1.00000000,
247​ 0.64150261, 0.76281076, 1.00000000,
248​ 0.64102399, 0.76247267, 1.00000000,
249​ 0.64055061, 0.76213824, 1.00000000,
250​ 0.64008239, 0.76180740, 1.00000000,
251​ 0.63961926, 0.76148010, 1.00000000, /* 22000K */
252​ 0.63916112, 0.76115628, 1.00000000,
253​ 0.63870790, 0.76083590, 1.00000000,
254​ 0.63825953, 0.76051890, 1.00000000,
255​ 0.63781592, 0.76020522, 1.00000000,
256​ 0.63737701, 0.75989482, 1.00000000,
257​ 0.63694273, 0.75958764, 1.00000000,
258​ 0.63651299, 0.75928365, 1.00000000,
259​ 0.63608774, 0.75898278, 1.00000000,
260​ 0.63566691, 0.75868499, 1.00000000,
261​ 0.63525042, 0.75839025, 1.00000000, /* 23000K */
262​ 0.63483822, 0.75809849, 1.00000000,
263​ 0.63443023, 0.75780969, 1.00000000,
264​ 0.63402641, 0.75752379, 1.00000000,
265​ 0.63362667, 0.75724075, 1.00000000,
266​ 0.63323097, 0.75696053, 1.00000000,
267​ 0.63283925, 0.75668310, 1.00000000,
268​ 0.63245144, 0.75640840, 1.00000000,
269​ 0.63206749, 0.75613641, 1.00000000,
270​ 0.63168735, 0.75586707, 1.00000000,
271​ 0.63131096, 0.75560036, 1.00000000, /* 24000K */
272​ 0.63093826, 0.75533624, 1.00000000,
273​ 0.63056920, 0.75507467, 1.00000000,
274​ 0.63020374, 0.75481562, 1.00000000,
275​ 0.62984181, 0.75455904, 1.00000000,
276​ 0.62948337, 0.75430491, 1.00000000,
277​ 0.62912838, 0.75405319, 1.00000000,
278​ 0.62877678, 0.75380385, 1.00000000,
279​ 0.62842852, 0.75355685, 1.00000000,
280​ 0.62808356, 0.75331217, 1.00000000,
281​ 0.62774186, 0.75306977, 1.00000000, /* 25000K */
282​ 0.62740336, 0.75282962, 1.00000000
283​};
284​
285​}
286​}
287​
288​#endif // KWIN_NIGHTCOLOR_CONSTANTS_H