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| author | Jon Lund Steffensen <jonlst@gmail.com> | 2010-01-09 16:09:16 +0100 |
|---|---|---|
| committer | Jon Lund Steffensen <jonlst@gmail.com> | 2010-01-09 16:09:16 +0100 |
| commit | 8918855fee99d8ff549c4e0bc98792cadc1d82f2 (patch) | |
| tree | cd6dbbcae0b4f0fcf9adbd19ba8d78551fcdb549 /src/redshift.c | |
| parent | Fix formating of help message. (diff) | |
| download | redshift-ng-8918855fee99d8ff549c4e0bc98792cadc1d82f2.tar.gz redshift-ng-8918855fee99d8ff549c4e0bc98792cadc1d82f2.tar.bz2 redshift-ng-8918855fee99d8ff549c4e0bc98792cadc1d82f2.tar.xz | |
Add some comments in the redshift.c.
Diffstat (limited to 'src/redshift.c')
| -rw-r--r-- | src/redshift.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/redshift.c b/src/redshift.c index 8f5c079..8f39260 100644 --- a/src/redshift.c +++ b/src/redshift.c @@ -84,6 +84,7 @@ typedef union { #define TRANSITION_HIGH 3.0 +/* Help and usage messages */ #define USAGE \ "Usage: %s -l LAT:LON -t DAY:NIGHT [OPTIONS...]\n" #define HELP \ @@ -125,6 +126,7 @@ sigdisable(int signo) } +/* Restore saved gamma ramps with the appropriate adjustment method. */ static void gamma_state_restore(gamma_state_t *state, int use_randr) { @@ -142,6 +144,7 @@ gamma_state_restore(gamma_state_t *state, int use_randr) } } +/* Free the state associated with the appropriate adjustment method. */ static void gamma_state_free(gamma_state_t *state, int use_randr) { @@ -159,6 +162,7 @@ gamma_state_free(gamma_state_t *state, int use_randr) } } +/* Set temperature with the appropriate adjustment method. */ static int gamma_state_set_temperature(gamma_state_t *state, int use_randr, int temp, float gamma[3]) @@ -444,6 +448,7 @@ main(int argc, char *argv[]) exit(EXIT_FAILURE); } } else { + /* Transition state */ struct timespec short_trans_end; int short_trans = 0; int short_trans_done = 0; @@ -453,6 +458,9 @@ main(int argc, char *argv[]) int short_trans_begin = 1; int short_trans_len = 10; + /* Amount of adjustment to apply. At zero the color + temperature will be exactly as calculated, and at one it + will be exactly 6500K. */ float adjustment_alpha = 0.0; struct sigaction sigact; @@ -573,6 +581,7 @@ main(int argc, char *argv[]) MAX(0.0, MIN(adjustment_alpha, 1.0)); } + /* Handle end of transition */ if (short_trans_done) { if (disabled) { /* Restore saved gamma ramps */ |