Add parts of redshift to rosalina
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panicbit
32
sysmodules/rosalina/include/redshift/colorramp.h
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32
sysmodules/rosalina/include/redshift/colorramp.h
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/* colorramp.h -- color temperature calculation 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) 2010-2014 Jon Lund Steffensen <jonlst@gmail.com>
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*/
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#ifndef REDSHIFT_COLORRAMP_H
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#define REDSHIFT_COLORRAMP_H
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#include <stdint.h>
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#include "redshift.h"
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void colorramp_fill(uint16_t *gamma_r, uint16_t *gamma_g, uint16_t *gamma_b,
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int size, const color_setting_t *setting);
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void colorramp_fill_float(float *gamma_r, float *gamma_g, float *gamma_b,
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int size, const color_setting_t *setting);
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#endif /* ! REDSHIFT_COLORRAMP_H */
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153
sysmodules/rosalina/include/redshift/redshift.h
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sysmodules/rosalina/include/redshift/redshift.h
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/* redshift.h -- Main program 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) 2013-2017 Jon Lund Steffensen <jonlst@gmail.com>
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*/
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#ifndef REDSHIFT_REDSHIFT_H
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#define REDSHIFT_REDSHIFT_H
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#include <stdio.h>
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#include <stdlib.h>
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/* The color temperature when no adjustment is applied. */
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#define NEUTRAL_TEMP 6500
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/* Location */
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typedef struct {
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float lat;
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float lon;
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} location_t;
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/* Periods of day. */
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typedef enum {
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PERIOD_NONE = 0,
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PERIOD_DAYTIME,
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PERIOD_NIGHT,
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PERIOD_TRANSITION
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} period_t;
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/* Color setting */
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typedef struct {
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int temperature;
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float gamma[3];
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float brightness;
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} color_setting_t;
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/* Program modes. */
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typedef enum {
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PROGRAM_MODE_CONTINUAL,
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PROGRAM_MODE_ONE_SHOT,
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PROGRAM_MODE_PRINT,
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PROGRAM_MODE_RESET,
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PROGRAM_MODE_MANUAL
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} program_mode_t;
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/* Time range.
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Fields are offsets from midnight in seconds. */
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typedef struct {
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int start;
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int end;
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} time_range_t;
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/* Transition scheme.
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The solar elevations at which the transition begins/ends,
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and the association color settings. */
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typedef struct {
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double high;
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double low;
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int use_time; /* When enabled, ignore elevation and use time ranges. */
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time_range_t dawn;
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time_range_t dusk;
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color_setting_t day;
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color_setting_t night;
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} transition_scheme_t;
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/* Gamma adjustment method */
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typedef struct gamma_state gamma_state_t;
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typedef int gamma_method_init_func(gamma_state_t **state);
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typedef int gamma_method_start_func(gamma_state_t *state);
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typedef void gamma_method_free_func(gamma_state_t *state);
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typedef void gamma_method_print_help_func(FILE *f);
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typedef int gamma_method_set_option_func(gamma_state_t *state, const char *key,
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const char *value);
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typedef void gamma_method_restore_func(gamma_state_t *state);
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typedef int gamma_method_set_temperature_func(
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gamma_state_t *state, const color_setting_t *setting, int preserve);
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typedef struct {
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char *name;
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/* If true, this method will be tried if none is explicitly chosen. */
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int autostart;
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/* Initialize state. Options can be set between init and start. */
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gamma_method_init_func *init;
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/* Allocate storage and make connections that depend on options. */
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gamma_method_start_func *start;
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/* Free all allocated storage and close connections. */
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gamma_method_free_func *free;
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/* Print help on options for this adjustment method. */
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gamma_method_print_help_func *print_help;
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/* Set an option key, value-pair */
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gamma_method_set_option_func *set_option;
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/* Restore the adjustment to the state before start was called. */
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gamma_method_restore_func *restore;
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/* Set a specific color temperature. */
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gamma_method_set_temperature_func *set_temperature;
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} gamma_method_t;
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/* Location provider */
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typedef struct location_state location_state_t;
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typedef int location_provider_init_func(location_state_t **state);
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typedef int location_provider_start_func(location_state_t *state);
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typedef void location_provider_free_func(location_state_t *state);
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typedef void location_provider_print_help_func(FILE *f);
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typedef int location_provider_set_option_func(
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location_state_t *state, const char *key, const char *value);
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typedef int location_provider_get_fd_func(location_state_t *state);
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typedef int location_provider_handle_func(
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location_state_t *state, location_t *location, int *available);
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typedef struct {
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char *name;
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/* Initialize state. Options can be set between init and start. */
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location_provider_init_func *init;
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/* Allocate storage and make connections that depend on options. */
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location_provider_start_func *start;
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/* Free all allocated storage and close connections. */
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location_provider_free_func *free;
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/* Print help on options for this location provider. */
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location_provider_print_help_func *print_help;
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/* Set an option key, value-pair. */
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location_provider_set_option_func *set_option;
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/* Listen and handle location updates. */
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location_provider_get_fd_func *get_fd;
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location_provider_handle_func *handle;
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} location_provider_t;
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#endif /* ! REDSHIFT_REDSHIFT_H */
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