/* * HSLuv-C: Human-friendly HSL * <http://github.com/hsluv/hsluv-c> * <http://www.hsluv.org/> * * Copyright (c) 2015 Alexei Boronine (original idea, JavaScript implementation) * Copyright (c) 2015 Roger Tallada (Obj-C implementation) * Copyright (c) 2017 Martin Mitas (C implementation, based on Obj-C implementation) * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #ifndef HSLUV_H#define HSLUV_H #ifdef __cplusplusextern "C" {#endif  /** * Convert HSLuv to RGB. * * @param h Hue. Between 0.0 and 360.0. * @param s Saturation. Between 0.0 and 100.0. * @param l Lightness. Between 0.0 and 100.0. * @param[out] pr Red component. Between 0.0 and 1.0. * @param[out] pg Green component. Between 0.0 and 1.0. * @param[out] pb Blue component. Between 0.0 and 1.0. */void hsluv2rgb(double h, double s, double l, double* pr, double* pg, double* pb); /** * Convert RGB to HSLuv. * * @param r Red component. Between 0.0 and 1.0. * @param g Green component. Between 0.0 and 1.0. * @param b Blue component. Between 0.0 and 1.0. * @param[out] ph Hue. Between 0.0 and 360.0. * @param[out] ps Saturation. Between 0.0 and 100.0. * @param[out] pl Lightness. Between 0.0 and 100.0. */void rgb2hsluv(double r, double g, double b, double* ph, double* ps, double* pl); /** * Convert HPLuv to RGB. * * @param h Hue. Between 0.0 and 360.0. * @param s Saturation. Between 0.0 and 100.0. * @param l Lightness. Between 0.0 and 100.0. * @param[out] pr Red component. Between 0.0 and 1.0. * @param[out] pg Green component. Between 0.0 and 1.0. * @param[out] pb Blue component. Between 0.0 and 1.0. */void hpluv2rgb(double h, double s, double l, double* pr, double* pg, double* pb); /** * Convert RGB to HPLuv. * * @param r Red component. Between 0.0 and 1.0. * @param g Green component. Between 0.0 and 1.0. * @param b Blue component. Between 0.0 and 1.0. * @param[out] ph Hue. Between 0.0 and 360.0. * @param[out] ps Saturation. Between 0.0 and 100.0. * @param[out] pl Lightness. Between 0.0 and 100.0. */void rgb2hpluv(double r, double g, double b, double* ph, double* ps, double* pl);  #ifdef __cplusplus}#endif #endif  /* HSLUV_H */