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authorMattias Andrée <maandree@kth.se>2019-10-07 16:39:46 +0200
committerMattias Andrée <maandree@kth.se>2019-10-07 16:39:46 +0200
commit5eb6165d6806f5656802a6f58feea9469dad6141 (patch)
tree46fc5bc7fa308d73ed722059163098dca7c96c22 /src/cg-rainbow.c
parentAdd cg-shallow, minor fixes, and bump year (diff)
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Reorganise, change license, portable makefile, and reference radharc
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'src/cg-rainbow.c')
-rw-r--r--src/cg-rainbow.c279
1 files changed, 0 insertions, 279 deletions
diff --git a/src/cg-rainbow.c b/src/cg-rainbow.c
deleted file mode 100644
index 067785f..0000000
--- a/src/cg-rainbow.c
+++ /dev/null
@@ -1,279 +0,0 @@
-/**
- * cg-tools -- Cooperative gamma-enabled tools
- * Copyright (C) 2016, 2018 Mattias Andrée (maandree@kth.se)
- *
- * This program 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.
- *
- * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
- */
-#include "cg-base.h"
-
-#include <libclut.h>
-
-#include <errno.h>
-#include <math.h>
-#include <sched.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-
-
-/**
- * The default filter priority for the program
- */
-const int64_t default_priority = (int64_t)1 << 60;
-
-/**
- * The default class for the program
- */
-char default_class[] = PKGNAME "::cg-rainbow::standard";
-
-/**
- * Class suffixes
- */
-const char* const* class_suffixes = (const char* const[]){NULL};
-
-
-
-/**
- * -s: rainbow-frequency in Hz
- */
-static char* sflag = NULL;
-
-/**
- * -l: base luminosity
- */
-static char* lflag = NULL;
-
-/**
- * The rainbow-frequency multiplied by 3
- */
-double rainbows_per_third_second = 1;
-
-/**
- * The base luminosity
- */
-double luminosity = (double)1 / 3;
-
-
-
-/**
- * Print usage information and exit
- */
-void usage(void)
-{
- fprintf(stderr,
- "Usage: %s [-M method] [-S site] [-c crtc]... [-R rule] [-p priority]"
- " [-l luminosity] [-s rainbowhz]\n",
- argv0);
- exit(1);
-}
-
-
-/**
- * Handle a command line option
- *
- * @param opt The option, it is a NUL-terminate two-character
- * string starting with either '-' or '+', if the
- * argument is not recognised, call `usage`. This
- * string will not be "-M", "-S", "-c", "-p", or "-R".
- * @param arg The argument associated with `opt`,
- * `NULL` there is no next argument, if this
- * parameter is `NULL` but needed, call `usage`
- * @return 0 if `arg` was not used,
- * 1 if `arg` was used,
- * -1 on error
- */
-int handle_opt(char* opt, char* arg)
-{
- if (opt[0] == '-')
- switch (opt[1])
- {
- case 'l':
- if (lflag || !(lflag = arg))
- usage();
- return 1;
- case 's':
- if (sflag || !(sflag = arg))
- usage();
- return 1;
- default:
- usage();
- }
- else
- usage();
- return 0;
-}
-
-
-/**
- * Parse a non-negative double encoded as a string
- *
- * @param out Output parameter for the value
- * @param str The string
- * @return Zero on success, -1 if the string is invalid
- */
-static int parse_double(double* restrict out, const char* restrict str)
-{
- char* end;
- errno = 0;
- *out = strtod(str, &end);
- if (errno || (*out < 0) || isinf(*out) || isnan(*out) || *end)
- return -1;
- if (!*str || !strchr("0123456789.", *str))
- return -1;
- return 0;
-}
-
-
-/**
- * This function is called after the last
- * call to `handle_opt`
- *
- * @param argc The number of unparsed arguments
- * @param argv `NULL` terminated list of unparsed arguments
- * @param prio The argument associated with the "-p" option
- * @return Zero on success, -1 on error
- */
-int handle_args(int argc, char* argv[], char* prio)
-{
- int q = (lflag || sflag);
- if ((q > 1) || argc)
- usage();
- if (sflag != NULL)
- {
- if (parse_double(&rainbows_per_third_second, sflag) < 0)
- usage();
- rainbows_per_third_second *= 3;
- }
- if (lflag != NULL)
- {
- if (parse_double(&luminosity, lflag) < 0)
- usage();
- }
- return 0;
- (void) argv;
- (void) prio;
-}
-
-
-/**
- * Fill a filter
- *
- * @param filter The filter to fill
- * @param red The red brightness
- * @param green The green brightness
- * @param blue The blue brightness
- */
-static void fill_filter(libcoopgamma_filter_t* restrict filter, double red, double green, double blue)
-{
- switch (filter->depth)
- {
-#define X(CONST, MEMBER, MAX, TYPE)\
- case CONST:\
- libclut_start_over(&(filter->ramps.MEMBER), MAX, TYPE, 1, 1, 1);\
- libclut_rgb_brightness(&(filter->ramps.MEMBER), MAX, TYPE, red, green, blue);\
- break;
-LIST_DEPTHS
-#undef X
- default:
- abort();
- }
-}
-
-
-/**
- * Get the current monotonic time as a double
- *
- * @param now Output parameter for the current time (monotonic)
- * @return Zero on success, -1 on error
- */
-static int double_time(double* restrict now)
-{
-#ifndef CLOCK_MONOTONIC_RAW
-# define CLOCK_MONOTONIC_RAW CLOCK_MONOTONIC
-#endif
- struct timespec ts;
- if (clock_gettime(CLOCK_MONOTONIC_RAW, &ts) < 0)
- return -1;
- *now = (double)(ts.tv_nsec);
- *now /= 1000000000L;
- *now += (double)(ts.tv_sec);
- return 0;
-}
-
-
-/**
- * The main function for the program-specific code
- *
- * @return 0: Success
- * -1: Error, `errno` set
- * -2: Error, `cg.error` set
- * -3: Error, message already printed
- */
-int start(void)
-{
- int r;
- size_t i, j;
- double pal[3];
- double t, starttime;
-
- for (i = 0; i < filters_n; i++)
- crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_DEATH;
-
- if ((r = make_slaves()) < 0)
- return r;
-
- if ((r = double_time(&starttime)) < 0)
- return r;
-
- for (;;)
- {
- if ((r = double_time(&t)) < 0)
- return r;
- t -= starttime;
- t *= rainbows_per_third_second;
- pal[0] = pal[1] = pal[2] = luminosity;
- pal[((long)t) % 3] += 1 - fmod(t, 1);
- pal[((long)t + 1) % 3] += fmod(t, 1);
- if (pal[0] > 1) pal[0] = 1;
- if (pal[1] > 1) pal[1] = 1;
- if (pal[2] > 1) pal[2] = 1;
-
- for (i = 0, r = 1; i < filters_n; i++)
- {
- if (!(crtc_updates[i].master) || !(crtc_info[crtc_updates[i].crtc].supported))
- continue;
- fill_filter(&(crtc_updates[i].filter), pal[0], pal[1], pal[2]);
- r = update_filter(i, 0);
- if ((r == -2) || ((r == -1) && (errno != EAGAIN)))
- return r;
- if (crtc_updates[i].slaves != NULL)
- for (j = 0; crtc_updates[i].slaves[j] != 0; j++)
- {
- r = update_filter(crtc_updates[i].slaves[j], 0);
- if ((r == -2) || ((r == -1) && (errno != EAGAIN)))
- return r;
- }
- }
-
- while (r != 1)
- if ((r = synchronise(-1)) < 0)
- return r;
-
- sched_yield();
- }
-}
-