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/* gamma-dummy.c -- No-op gamma adjustment
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) 2013-2017 Jon Lund Steffensen <jonlst@gmail.com>
*/
#include "common.h"
static int
gamma_dummy_init(struct gamma_state **state)
{
*state = NULL;
return 0;
}
static int
gamma_dummy_start(struct gamma_state *state, enum program_mode mode)
{
fputs(_("WARNING: Using dummy gamma method! Display will not be affected by this gamma method.\n"), stderr);
return 0;
}
static void
gamma_dummy_restore(struct gamma_state *state)
{
}
static void
gamma_dummy_free(struct gamma_state *state)
{
}
static void
gamma_dummy_print_help(FILE *f)
{
fputs(_("Does not affect the display but prints the color temperature to the terminal.\n"), f);
fputs("\n", f);
}
static int
gamma_dummy_set_option(struct gamma_state *state, const char *key, const char *value)
{
fprintf(stderr, _("Unknown method parameter: `%s'.\n"), key);
return -1;
}
static int
gamma_dummy_set_temperature(
struct gamma_state *state, const struct color_setting *setting, int preserve)
{
printf(_("Temperature: %i\n"), setting->temperature);
return 0;
}
const struct gamma_method dummy_gamma_method = {
"dummy", 0,
&gamma_dummy_init,
&gamma_dummy_start,
&gamma_dummy_free,
&gamma_dummy_print_help,
&gamma_dummy_set_option,
&gamma_dummy_restore,
&gamma_dummy_set_temperature
};
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