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-rw-r--r--cg-brilliance.c332
1 files changed, 162 insertions, 170 deletions
diff --git a/cg-brilliance.c b/cg-brilliance.c
index 8ed3124..00ae873 100644
--- a/cg-brilliance.c
+++ b/cg-brilliance.c
@@ -24,7 +24,7 @@ char default_class[] = PKGNAME "::cg-brilliance::standard";
/**
* Class suffixes
*/
-const char* const* class_suffixes = (const char* const[]){NULL};
+const char *const *class_suffixes = (const char *const[]){NULL};
@@ -58,13 +58,14 @@ static double bvalue = 0;
/**
* 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] (all | red green blue))\n",
- argv0);
- exit(1);
+ fprintf(stderr,
+ "usage: %s [-M method] [-S site] [-c crtc]... [-R rule] "
+ "(-x | [-p priority] [-d] (all | red green blue))\n",
+ argv0);
+ exit(1);
}
@@ -82,28 +83,29 @@ 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;
}
@@ -114,16 +116,17 @@ 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;
}
@@ -136,34 +139,33 @@ 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)
{
- char* red = NULL;
- char* green = NULL;
- char* blue = NULL;
- int q = xflag + dflag;
- if ((q > 1) || (xflag && (prio != NULL || argc)))
- usage();
- if (argc == 1)
- red = green = blue = argv[0];
- else if (argc == 3)
- {
- red = argv[0];
- green = argv[1];
- blue = argv[2];
- }
- else if (argc || !xflag)
- usage();
- if (argc)
- {
- if (parse_double(&rvalue, red) < 0)
- usage();
- if (parse_double(&gvalue, blue) < 0)
- usage();
- if (parse_double(&bvalue, green) < 0)
- usage();
- }
- return 0;
+ char *red = NULL;
+ char *green = NULL;
+ char *blue = NULL;
+ int q = xflag + dflag;
+ if (q > 1 || (xflag && (prio || argc)))
+ usage();
+ if (argc == 1) {
+ red = green = blue = argv[0];
+ } else if (argc == 3) {
+ red = argv[0];
+ green = argv[1];
+ blue = argv[2];
+ } else if (argc || !xflag) {
+ usage();
+ }
+ if (argc) {
+ if (parse_double(&rvalue, red) < 0)
+ usage();
+ if (parse_double(&gvalue, blue) < 0)
+ usage();
+ if (parse_double(&bvalue, green) < 0)
+ usage();
+ }
+ return 0;
}
@@ -172,54 +174,45 @@ int handle_args(int argc, char* argv[], char* prio)
*
* @param filter The filter to fill
*/
-static void fill_filter(libcoopgamma_filter_t* restrict filter)
+static void
+fill_filter(libcoopgamma_filter_t *restrict filter)
{
- size_t i;
- switch (filter->depth)
- {
-#define X(CONST, MAX, TYPE, MEMBER) \
- case CONST: \
- for (i = 0; i < filter->ramps.MEMBER.red_size; i++) \
- { \
- double val = (double)(filter->ramps.MEMBER.red[i]); \
- val *= rvalue; \
- if (val < 0) filter->ramps.MEMBER.red[i] = 0; \
- else if (val > (double)(MAX)) filter->ramps.MEMBER.red[i] = MAX; \
- else filter->ramps.MEMBER.red[i] = (TYPE)val; \
- } \
- for (i = 0; i < filter->ramps.MEMBER.green_size; i++) \
- { \
- double val = (double)(filter->ramps.MEMBER.green[i]); \
- val *= gvalue; \
- if (val < 0) filter->ramps.MEMBER.green[i] = 0; \
- else if (val > (double)(MAX)) filter->ramps.MEMBER.green[i] = MAX; \
- else filter->ramps.MEMBER.green[i] = (TYPE)val; \
- } \
- for (i = 0; i < filter->ramps.MEMBER.blue_size; i++) \
- { \
- double val = (double)(filter->ramps.MEMBER.blue[i]); \
- val *= bvalue; \
- if (val < 0) filter->ramps.MEMBER.blue[i] = 0; \
- else if (val > (double)(MAX)) filter->ramps.MEMBER.blue[i] = MAX; \
- else filter->ramps.MEMBER.blue[i] = (TYPE)val; \
- } \
- break
- X(LIBCOOPGAMMA_UINT8, UINT8_MAX, uint8_t, u8);
- X(LIBCOOPGAMMA_UINT16, UINT16_MAX, uint16_t, u16);
- X(LIBCOOPGAMMA_UINT32, UINT32_MAX, uint32_t, u32);
- X(LIBCOOPGAMMA_UINT64, UINT64_MAX, uint64_t, u64);
+ size_t i;
+ switch (filter->depth) {
+#define X(CONST, MAX, TYPE, MEMBER)\
+ case CONST:\
+ for (i = 0; i < filter->ramps.MEMBER.red_size; i++) {\
+ double val = (double)(filter->ramps.MEMBER.red[i]);\
+ val *= rvalue;\
+ filter->ramps.MEMBER.red[i] = val < 0 ? 0 : val > (double)(MAX) ? MAX : (TYPE)val;\
+ }\
+ for (i = 0; i < filter->ramps.MEMBER.green_size; i++) {\
+ double val = (double)(filter->ramps.MEMBER.green[i]);\
+ val *= gvalue;\
+ filter->ramps.MEMBER.green[i] = val < 0 ? 0 : val > (double)(MAX) ? MAX : (TYPE)val;\
+ }\
+ for (i = 0; i < filter->ramps.MEMBER.blue_size; i++) {\
+ double val = (double)(filter->ramps.MEMBER.blue[i]);\
+ val *= bvalue;\
+ filter->ramps.MEMBER.blue[i] = val < 0 ? 0 : val > (double)(MAX) ? MAX : (TYPE)val;\
+ }\
+ break
+ X(LIBCOOPGAMMA_UINT8, UINT8_MAX, uint8_t, u8);
+ X(LIBCOOPGAMMA_UINT16, UINT16_MAX, uint16_t, u16);
+ X(LIBCOOPGAMMA_UINT32, UINT32_MAX, uint32_t, u32);
+ X(LIBCOOPGAMMA_UINT64, UINT64_MAX, uint64_t, u64);
#undef X
- case LIBCOOPGAMMA_FLOAT:
- libclut_rgb_brightness(&(filter->ramps.f), (float)1, float, rvalue, gvalue, bvalue);
- libclut_clip(&(filter->ramps.f), (float)1, float, 1, 1, 1);
- break;
- case LIBCOOPGAMMA_DOUBLE:
- libclut_rgb_brightness(&(filter->ramps.d), (double)1, double, rvalue, gvalue, bvalue);
- libclut_clip(&(filter->ramps.d), (double)1, double, 1, 1, 1);
- break;
- default:
- abort();
- }
+ case LIBCOOPGAMMA_FLOAT:
+ libclut_rgb_brightness(&filter->ramps.f, (float)1, float, rvalue, gvalue, bvalue);
+ libclut_clip(&filter->ramps.f, (float)1, float, 1, 1, 1);
+ break;
+ case LIBCOOPGAMMA_DOUBLE:
+ libclut_rgb_brightness(&filter->ramps.d, (double)1, double, rvalue, gvalue, bvalue);
+ libclut_clip(&filter->ramps.d, (double)1, double, 1, 1, 1);
+ break;
+ default:
+ abort();
+ }
}
@@ -231,66 +224,65 @@ static void fill_filter(libcoopgamma_filter_t* restrict filter)
* -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)
- fill_filter(&(crtc_updates[i].filter));
- 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)
+ fill_filter(&crtc_updates[i].filter);
+ 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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