QXmpp  Version: 1.10.4
hsluv.h
1 // SPDX-FileCopyrightText: 2015 Alexei Boronine (original idea, JavaScript implementation)
2 // SPDX-FileCopyrightText: 2015 Roger Tallada (Obj-C implementation)
3 // SPDX-FileCopyrightText: 2017 Martin Mitas (C implementation, based on Obj-C implementation)
4 //
5 // SPDX-License-Identifier: MIT
6 
7 /*
8  * HSLuv-C: Human-friendly HSL
9  * <https://github.com/hsluv/hsluv-c>
10  * <https://www.hsluv.org/>
11  *
12  * Copyright (c) 2015 Alexei Boronine (original idea, JavaScript implementation)
13  * Copyright (c) 2015 Roger Tallada (Obj-C implementation)
14  * Copyright (c) 2017 Martin Mitáš (C implementation, based on Obj-C implementation)
15  *
16  * Permission is hereby granted, free of charge, to any person obtaining a
17  * copy of this software and associated documentation files (the "Software"),
18  * to deal in the Software without restriction, including without limitation
19  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
20  * and/or sell copies of the Software, and to permit persons to whom the
21  * Software is furnished to do so, subject to the following conditions:
22  *
23  * The above copyright notice and this permission notice shall be included in
24  * all copies or substantial portions of the Software.
25  *
26  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
27  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
28  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
29  * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
30  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
31  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
32  * IN THE SOFTWARE.
33  */
34 
35 #ifndef HSLUV_H
36 #define HSLUV_H
37 
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
52 void hsluv2rgb(double h, double s, double l, double *pr, double *pg, double *pb);
53 
64 void rgb2hsluv(double r, double g, double b, double *ph, double *ps, double *pl);
65 
76 void hpluv2rgb(double h, double s, double l, double *pr, double *pg, double *pb);
77 
111 int rgb2hpluv(double r, double g, double b, double *ph, double *ps, double *pl);
112 
113 #ifdef __cplusplus
114 }
115 #endif
116 
117 #endif /* HSLUV_H */