diff options
Diffstat (limited to 'src/cg-linear.c')
| -rw-r--r-- | src/cg-linear.c | 280 |
1 files changed, 0 insertions, 280 deletions
diff --git a/src/cg-linear.c b/src/cg-linear.c deleted file mode 100644 index 1ce9a5d..0000000 --- a/src/cg-linear.c +++ /dev/null @@ -1,280 +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 <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - - - -/** - * The default filter priority for the program - */ -const int64_t default_priority = NO_DEFAULT_PRIORITY; - -/** - * The default class base for the program - */ -char default_class[] = PKGNAME "::cg-linear::standard"; - -/** - * Class suffixes - */ -const char* const* class_suffixes = (const char* const[]){":start", ":stop", NULL}; - - - -/** - * -d: keep process alive and remove filter on death - */ -static int dflag = 0; - -/** - * -x: remove filter rather than adding it - */ -static int xflag = 0; - -/** - * +r: do not touch the red channel - */ -static int rplus = 0; - -/** - * +g: do not touch the green channel - */ -static int gplus = 0; - -/** - * +b: do not touch the blue channel - */ -static int bplus = 0; - -/** - * The priority of the linearisation filter - */ -static int64_t start_priority; - -/** - * The priority of the delinearisation filter - */ -static int64_t stop_priority; - - - -/** - * Print usage information and exit - */ -void usage(void) -{ - fprintf(stderr, - "Usage: %s [-M method] [-S site] [-c crtc]... [-R rule-base] " - "(-x | -p start-priority:stop-priority [-d] [+rgb])\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 'd': - if (dflag || xflag) - usage(); - dflag = 1; - break; - case 'x': - if (xflag || dflag) - usage(); - xflag = 1; - break; - default: - usage(); - } - else - switch (opt[1]) - { - case 'r': - if (rplus) - usage(); - rplus = 1; - break; - case 'g': - if (gplus) - usage(); - gplus = 1; - break; - case 'b': - if (bplus) - usage(); - bplus = 1; - break; - default: - usage(); - } - return 0; - (void) arg; -} - - -/** - * 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 = xflag + (dflag | rplus | gplus | bplus); - char *p, *end; - if (argc || (q > 1) || (xflag && (prio != NULL))) - usage(); - if (!xflag && (prio == NULL)) - usage(); - if (prio != NULL) - { - p = strchr(prio, ':'); - if (!p) - usage(); - *p++ = '\0'; - errno = 0; - start_priority = (size_t)strtoul(prio, &end, 10); - if (errno || *end || !*prio) - usage(); - stop_priority = (size_t)strtoul(p, &end, 10); - if (errno || *end || !*prio) - usage(); - p[-1] = ':'; - } - return 0; - (void) argv; -} - - -/** - * Fill a filter - * - * @param filter The filter to fill - * @param is_start If the fitler is a linearisation filter - */ -static void fill_filter(libcoopgamma_filter_t* restrict filter, int is_start) -{ - switch (filter->depth) - { -#define X(CONST, MEMBER, MAX, TYPE)\ - case CONST:\ - if (is_start)\ - libclut_linearise(&(filter->ramps.MEMBER), MAX, TYPE, !rplus, !gplus, !bplus);\ - else\ - libclut_standardise(&(filter->ramps.MEMBER), MAX, TYPE, !rplus, !gplus, !bplus);\ - break; -LIST_DEPTHS -#undef X - default: - abort(); - } -} - - -/** - * 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; - - if (xflag) - for (i = 0; i < filters_n; i++) - crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_REMOVE; - else if (dflag) - for (i = 0; i < filters_n; i++) - crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_DEATH; - else - for (i = 0; i < filters_n; i++) - crtc_updates[i].filter.lifespan = LIBCOOPGAMMA_UNTIL_REMOVAL; - - for (i = 0, r = 1; i < filters_n; i++) - { - if (!(crtc_info[crtc_updates[i].crtc].supported)) - continue; - if (!xflag) { - int is_start = strchr(crtc_updates[i].filter.class, '\0')[-1] == 't'; - fill_filter(&(crtc_updates[i].filter), is_start); - crtc_updates[i].filter.priority = is_start ? start_priority : stop_priority; - } - r = update_filter(i, 0); - if ((r == -2) || ((r == -1) && (errno != EAGAIN))) - return r; - } - - while (r != 1) - if ((r = synchronise(-1)) < 0) - return r; - - if (!dflag) - return 0; - - if (libcoopgamma_set_nonblocking(&cg, 0) < 0) - return -1; - for (;;) - if (libcoopgamma_synchronise(&cg, NULL, 0, &j) < 0) - switch (errno) - { - case 0: - break; - case ENOTRECOVERABLE: - goto enotrecoverable; - default: - return -1; - } - - enotrecoverable: - for (;;) - if (pause() < 0) - return -1; -} - |