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-rw-r--r--term_ascii.c32
1 files changed, 21 insertions, 11 deletions
diff --git a/term_ascii.c b/term_ascii.c
index eeea9dbb..a1b445d2 100644
--- a/term_ascii.c
+++ b/term_ascii.c
@@ -1,4 +1,4 @@
-/* $Id: term_ascii.c,v 1.28 2014/08/10 23:54:41 schwarze Exp $ */
+/* $Id: term_ascii.c,v 1.29 2014/08/13 20:34:29 kristaps Exp $ */
/*
* Copyright (c) 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv>
* Copyright (c) 2014 Ingo Schwarze <schwarze@openbsd.org>
@@ -230,32 +230,42 @@ ascii_hspan(const struct termp *p, const struct roffsu *su)
double r;
/*
- * Approximate based on character width. These are generated
- * entirely by eyeballing the screen, but appear to be correct.
+ * Approximate based on character width.
+ * None of these will be actually correct given that an inch on
+ * the screen depends on character size, terminal, etc., etc.
*/
-
switch (su->unit) {
+ case SCALE_BU:
+ r = su->scale * 10.0 / 240.0;
+ break;
case SCALE_CM:
- r = su->scale * 4.0;
+ r = su->scale * 10.0 / 2.54;
+ break;
+ case SCALE_FS:
+ r = su->scale * 2730.666;
break;
case SCALE_IN:
r = su->scale * 10.0;
break;
+ case SCALE_MM:
+ r = su->scale / 100.0;
+ break;
case SCALE_PC:
- r = (su->scale * 10.0) / 6.0;
+ r = su->scale * 10.0 / 6.0;
break;
case SCALE_PT:
- r = (su->scale * 10.0) / 72.0;
- break;
- case SCALE_MM:
- r = su->scale / 1000.0;
+ r = su->scale * 10.0 / 72.0;
break;
case SCALE_VS:
r = su->scale * 2.0 - 1.0;
break;
- default:
+ case SCALE_EN:
+ case SCALE_EM:
r = su->scale;
break;
+ case SCALE_MAX:
+ abort();
+ break;
}
return(r);