tInclude factor for linear exposure scaling - filmtools - various tools for pho… | |
git clone git://src.adamsgaard.dk/filmtools | |
Log | |
Files | |
Refs | |
--- | |
commit 08c5774bdd4f60189f2f49e63b713e68758cef53 | |
parent fdf4f540757312f4e76e5eddbd95f5c2cb9e2691 | |
Author: Anders Damsgaard <[email protected]> | |
Date: Thu, 16 Jul 2020 22:38:29 +0200 | |
Include factor for linear exposure scaling | |
Diffstat: | |
M reciprocity.c | 5 +++-- | |
1 file changed, 3 insertions(+), 2 deletions(-) | |
--- | |
diff --git a/reciprocity.c b/reciprocity.c | |
t@@ -46,7 +46,7 @@ usage() | |
int | |
main(int argc, char **argv) | |
{ | |
- double exponent; | |
+ double factor, exponent; | |
int i, hour, min, sec, sec_equiv; | |
argv0 = *argv; | |
t@@ -65,6 +65,7 @@ main(int argc, char **argv) | |
if (i == LENGTH(films)) | |
errx(3, "unknown film type"); | |
if (strncasecmp(argv[1], films[i].name, 10) == 0) { | |
+ factor = films[i].factor; | |
exponent = films[i].exponent; | |
break; | |
} | |
t@@ -73,7 +74,7 @@ main(int argc, char **argv) | |
if (sscanf(argv[2], "%d:%d", &min, &sec) != 2) | |
errx(2, "could not parse time in MM:SS format"); | |
- sec_equiv = pow(min * 60 + sec, exponent); | |
+ sec_equiv = factor * pow(min * 60 + sec, exponent); | |
sec = (int)(sec_equiv) % 60; | |
if ((min = (int)(sec_equiv / 60.0)) >= 60) { | |
hour = (int)(min/60.0); |