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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-linear.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-linear.c')
-rw-r--r--src/cg-linear.c280
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;
-}
-