49 lines
1.4 KiB
C
49 lines
1.4 KiB
C
/* randr.h -- X RandR gamma adjustment header
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This file is part of Redshift.
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Redshift is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Redshift is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Redshift. If not, see <http://www.gnu.org/licenses/>.
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Copyright (c) 2010 Jon Lund Steffensen <jonlst@gmail.com>
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*/
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#ifndef _REDSHIFT_RANDR_H
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#define _REDSHIFT_RANDR_H
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#include <stdint.h>
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#include <xcb/xcb.h>
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#include <xcb/randr.h>
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typedef struct {
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xcb_randr_crtc_t crtc;
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unsigned int ramp_size;
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uint16_t *saved_ramps;
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} randr_crtc_state_t;
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typedef struct {
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xcb_connection_t *conn;
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xcb_screen_t *screen;
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int crtc_num;
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unsigned int crtc_count;
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randr_crtc_state_t *crtcs;
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} randr_state_t;
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int randr_init(randr_state_t *state, int screen_num, int crtc_num);
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void randr_free(randr_state_t *state);
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void randr_restore(randr_state_t *state);
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int randr_set_temperature(randr_state_t *state, int temp, float gamma[3]);
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#endif /* ! _REDSHIFT_RANDR_H */
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