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/* randr.h -- X RandR 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) 2010 Jon Lund Steffensen <jonlst@gmail.com>
*/
#ifndef _REDSHIFT_RANDR_H
#define _REDSHIFT_RANDR_H
#include <stdint.h>
#include <xcb/xcb.h>
#include <xcb/randr.h>
typedef struct {
xcb_randr_crtc_t crtc;
unsigned int ramp_size;
uint16_t *saved_ramps;
} randr_crtc_state_t;
typedef struct {
xcb_connection_t *conn;
xcb_screen_t *screen;
unsigned int crtc_count;
randr_crtc_state_t *crtcs;
} randr_state_t;
int randr_init(randr_state_t *state, int screen_num);
void randr_free(randr_state_t *state);
void randr_restore(randr_state_t *state);
int randr_set_temperature(randr_state_t *state, int temp, float gamma[3]);
#endif /* ! _REDSHIFT_RANDR_H */
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