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/* vidmode.h -- X VidMode gamma adjustment header
This file is part of Redshift.
Redshift 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.
Redshift 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 Redshift. If not, see <http://www.gnu.org/licenses/>.
Copyright (c) 2009 Jon Lund Steffensen <jonlst@gmail.com>
*/
#ifndef _REDSHIFT_VIDMODE_H
#define _REDSHIFT_VIDMODE_H
#include <stdint.h>
#include <X11/Xlib.h>
typedef struct {
Display *display;
int screen_num;
int ramp_size;
uint16_t *saved_ramps;
} vidmode_state_t;
int vidmode_init(vidmode_state_t *state, int screen_num);
void vidmode_free(vidmode_state_t *state);
void vidmode_restore(vidmode_state_t *state);
int vidmode_set_temperature(vidmode_state_t *state, int temp, float gamma[3]);
#endif /* ! _REDSHIFT_VIDMODE_H */
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