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/**
* crt-calibrator – Calibration utility for CRT monitors
* Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef CRT_CALIBRATOR_GAMMA_H
#define CRT_CALIBRATOR_GAMMA_H
#include <stddef.h>
#include <stdint.h>
/**
* Analyse a gamma ramp
*
* @param stops The number of stops in the gamma ramp
* @param ramp The gamma ramp
* @param gamma Output parameter for the gamma
* @param contrast Output parameter for the contrast
* @param brightness Output parameter for the brightness
*/
void gamma_analyse(size_t stops, const uint16_t* restrict ramp, double* restrict gamma,
double* restrict contrast, double* restrict brightness);
/**
* Generate a gamma ramp
*
* @param stops The number of stops in the gamma ramp
* @param ramp Memory area to where to write the gamma ramp
* @param gamma The gamma
* @param contrast The contrast
* @param brightness The brightness
*/
void gamma_generate(size_t stops, uint16_t* restrict ramp, double gamma,
double contrast, double brightness);
#endif
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