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-rw-r--r--cg-darkroom.c357
1 files changed, 178 insertions, 179 deletions
diff --git a/cg-darkroom.c b/cg-darkroom.c
index b9b79f1..8b312c0 100644
--- a/cg-darkroom.c
+++ b/cg-darkroom.c
@@ -24,7 +24,7 @@ char default_class[] = PKGNAME "::cg-darkroom::standard";
/**
* Class suffixes
*/
-const char* const* class_suffixes = (const char* const[]){NULL};
+const char *const *class_suffixes = (const char *const[]){NULL};
@@ -48,13 +48,14 @@ static double value = 0.25;
/**
* Print usage information and exit
*/
-void usage(void)
+void
+usage(void)
{
- fprintf(stderr,
- "Usage: %s [-M method] [-S site] [-c crtc]... [-R rule] "
- "(-x | [-p priority] [-d] [brightness])\n",
- argv0);
- exit(1);
+ fprintf(stderr,
+ "usage: %s [-M method] [-S site] [-c crtc]... [-R rule] "
+ "(-x | [-p priority] [-d] [brightness])\n",
+ argv0);
+ exit(1);
}
@@ -72,28 +73,29 @@ void usage(void)
* 1 if `arg` was used,
* -1 on error
*/
-int handle_opt(char* opt, char* arg)
+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
- usage();
- return 0;
- (void) 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 {
+ usage();
+ }
+ return 0;
+ (void) arg;
}
@@ -104,16 +106,17 @@ int handle_opt(char* opt, char* arg)
* @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)
+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;
+ 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;
}
@@ -126,19 +129,19 @@ static int parse_double(double* restrict out, const char* restrict str)
* @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
+handle_args(int argc, char *argv[], char *prio)
{
- int q = xflag + dflag;
- if ((q > 1) || (xflag && (prio != NULL || argc)))
- usage();
- if (argc == 1)
- {
- if (parse_double(&value, argv[0]) < 0)
- usage();
- }
- else if (argc)
- usage();
- return 0;
+ int q = xflag + dflag;
+ if ((q > 1) || (xflag && (prio || argc)))
+ usage();
+ if (argc == 1) {
+ if (parse_double(&value, argv[0]) < 0)
+ usage();
+ } else if (argc) {
+ usage();
+ }
+ return 0;
}
@@ -148,80 +151,78 @@ int handle_args(int argc, char* argv[], char* prio)
* @param filter The filter to fill
* @return Zero on success, -1 on error
*/
-static int fill_filter(libcoopgamma_filter_t* restrict filter)
+static int
+fill_filter(libcoopgamma_filter_t *restrict filter)
{
- union libcoopgamma_ramps dramps;
- size_t size;
-
- if ((0 <= value) && (value <= 1))
- {
- switch (filter->depth)
- {
+ union libcoopgamma_ramps dramps;
+ size_t size;
+
+ if (0 <= value && value <= 1) {
+ switch (filter->depth) {
#define X(CONST, MEMBER, MAX, TYPE)\
- case CONST:\
- libclut_negative(&(filter->ramps.MEMBER), MAX, TYPE, 1, 0, 0);\
- libclut_rgb_brightness(&(filter->ramps.MEMBER), MAX, TYPE, 1, 0, 0);\
- libclut_cie_brightness(&(filter->ramps.MEMBER), MAX, TYPE, value, value, value);\
- break;
-LIST_DEPTHS
+ case CONST:\
+ libclut_negative(&filter->ramps.MEMBER, MAX, TYPE, 1, 0, 0);\
+ libclut_rgb_brightness(&filter->ramps.MEMBER, MAX, TYPE, 1, 0, 0);\
+ libclut_cie_brightness(&filter->ramps.MEMBER, MAX, TYPE, value, value, value);\
+ break;
+ LIST_DEPTHS
#undef X
+ default:
+ abort();
+ }
+ return 0;
+ }
+ if (filter->depth == LIBCOOPGAMMA_DOUBLE) {
+ libclut_negative(&filter->ramps.d, (double)1, double, 1, 0, 0);
+ libclut_rgb_brightness(&filter->ramps.d, (double)1, double, 1, 0, 0);
+ libclut_cie_brightness(&filter->ramps.d, (double)1, double, value, value, value);
+ libclut_clip(&filter->ramps.d, (double)1, double, 1, 0, 0);
+ return 0;
+ }
+ if (filter->depth == LIBCOOPGAMMA_FLOAT) {
+ libclut_negative(&filter->ramps.f, (float)1, float, 1, 0, 0);
+ libclut_rgb_brightness(&filter->ramps.f, (float)1, float, 1, 0, 0);
+ libclut_cie_brightness(&filter->ramps.f, (float)1, float, value, value, value);
+ libclut_clip(&filter->ramps.f, (float)1, float, 1, 0, 0);
+ return 0;
+ }
+
+ size = dramps.d.red_size = filter->ramps.d.red_size;
+ size += dramps.d.green_size = filter->ramps.d.green_size;
+ size += dramps.d.blue_size = filter->ramps.d.blue_size;
+ dramps.d.red = calloc(size, sizeof(double));
+ if (!dramps.d.red)
+ return -1;
+ dramps.d.green = dramps.d.red + dramps.d.red_size;
+ dramps.d.blue = dramps.d.green + dramps.d.green_size;
+
+ libclut_start_over(&dramps.d, (double)1, double, 1, 0, 0);
+ libclut_negative(&dramps.d, (double)1, double, 1, 0, 0);
+ libclut_rgb_brightness(&dramps.d, (double)1, double, 1, 0, 0);
+ libclut_cie_brightness(&dramps.d, (double)1, double, value, value, value);
+ libclut_clip(&dramps.d, (double)1, double, 1, 0, 0);
+
+ switch (filter->depth) {
+ case LIBCOOPGAMMA_UINT8:
+ libclut_translate(&filter->ramps.u8, UINT8_MAX, uint8_t, &dramps.d, (double)1, double);
+ break;
+ case LIBCOOPGAMMA_UINT16:
+ libclut_translate(&filter->ramps.u16, UINT16_MAX, uint16_t, &dramps.d, (double)1, double);
+ break;
+ case LIBCOOPGAMMA_UINT32:
+ libclut_translate(&filter->ramps.u32, UINT32_MAX, uint32_t, &dramps.d, (double)1, double);
+ break;
+ case LIBCOOPGAMMA_UINT64:
+ libclut_translate(&filter->ramps.u64, UINT64_MAX, uint64_t, &dramps.d, (double)1, double);
+ break;
+ case LIBCOOPGAMMA_FLOAT:
+ case LIBCOOPGAMMA_DOUBLE:
default:
- abort();
+ abort();
}
- return 0;
- }
- if (filter->depth == LIBCOOPGAMMA_DOUBLE)
- {
- libclut_negative(&(filter->ramps.d), (double)1, double, 1, 0, 0);
- libclut_rgb_brightness(&(filter->ramps.d), (double)1, double, 1, 0, 0);
- libclut_cie_brightness(&(filter->ramps.d), (double)1, double, value, value, value);
- libclut_clip(&(filter->ramps.d), (double)1, double, 1, 0, 0);
- return 0;
- }
- if (filter->depth == LIBCOOPGAMMA_FLOAT)
- {
- libclut_negative(&(filter->ramps.f), (float)1, float, 1, 0, 0);
- libclut_rgb_brightness(&(filter->ramps.f), (float)1, float, 1, 0, 0);
- libclut_cie_brightness(&(filter->ramps.f), (float)1, float, value, value, value);
- libclut_clip(&(filter->ramps.f), (float)1, float, 1, 0, 0);
- return 0;
- }
-
- size = dramps.d.red_size = filter->ramps.d.red_size;
- size += dramps.d.green_size = filter->ramps.d.green_size;
- size += dramps.d.blue_size = filter->ramps.d.blue_size;
- dramps.d.red = calloc(size, sizeof(double));
- if (dramps.d.red == NULL)
- return -1;
- dramps.d.green = dramps.d.red + dramps.d.red_size;
- dramps.d.blue = dramps.d.green + dramps.d.green_size;
-
- libclut_start_over(&(dramps.d), (double)1, double, 1, 0, 0);
- libclut_negative(&(dramps.d), (double)1, double, 1, 0, 0);
- libclut_rgb_brightness(&(dramps.d), (double)1, double, 1, 0, 0);
- libclut_cie_brightness(&(dramps.d), (double)1, double, value, value, value);
- libclut_clip(&(dramps.d), (double)1, double, 1, 0, 0);
-
- switch (filter->depth)
- {
- case LIBCOOPGAMMA_UINT8:
- libclut_translate(&(filter->ramps.u8), UINT8_MAX, uint8_t, &(dramps.d), (double)1, double);
- break;
- case LIBCOOPGAMMA_UINT16:
- libclut_translate(&(filter->ramps.u16), UINT16_MAX, uint16_t, &(dramps.d), (double)1, double);
- break;
- case LIBCOOPGAMMA_UINT32:
- libclut_translate(&(filter->ramps.u32), UINT32_MAX, uint32_t, &(dramps.d), (double)1, double);
- break;
- case LIBCOOPGAMMA_UINT64:
- libclut_translate(&(filter->ramps.u64), UINT64_MAX, uint64_t, &(dramps.d), (double)1, double);
- break;
- default:
- abort();
- }
-
- free(dramps.d.red);
- return 0;
+
+ free(dramps.d.red);
+ return 0;
}
@@ -233,67 +234,65 @@ LIST_DEPTHS
* -2: Error, `cg.error` set
* -3: Error, message already printed
*/
-int start(void)
+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;
-
- if (!xflag)
- if ((r = make_slaves()) < 0)
- return r;
-
- for (i = 0, r = 1; i < filters_n; i++)
- {
- if (!(crtc_updates[i].master) || !(crtc_info[crtc_updates[i].crtc].supported))
- continue;
- if (!xflag)
- if ((r = fill_filter(&(crtc_updates[i].filter))) < 0)
- return r;
- 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;
-
- 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;
+ 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;
+
+ if (!xflag && (r = make_slaves()) < 0)
+ return r;
+
+ for (i = 0, r = 1; i < filters_n; i++) {
+ if (!crtc_updates[i].master || !crtc_info[crtc_updates[i].crtc].supported)
+ continue;
+ if (!xflag && (r = fill_filter(&crtc_updates[i].filter)) < 0)
+ return r;
+ r = update_filter(i, 0);
+ if (r == -2 || (r == -1 && errno != EAGAIN))
+ return r;
+ if (crtc_updates[i].slaves) {
+ for (j = 0; crtc_updates[i].slaves[j]; j++) {
+ r = update_filter(crtc_updates[i].slaves[j], 0);
+ if (r == -2 || (r == -1 && errno != EAGAIN))
+ return r;
+ }
+ }
}
-
- enotrecoverable:
- for (;;)
- if (pause() < 0)
- return -1;
+
+ 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:
+ pause();
+ return -1;
}
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