Jon Lund Steffensen
b61c9d59d7
Save gamma ramps when program starts and restore them on exit (only RANDR). Try both RANDR and VidMode if nothing was specified, otherwise try only the specified method.
46 lines
1.3 KiB
C
46 lines
1.3 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) 2009 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 <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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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);
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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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