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-rw-r--r--term_ascii.c42
1 files changed, 18 insertions, 24 deletions
diff --git a/term_ascii.c b/term_ascii.c
index cbc9c9ea..908f3182 100644
--- a/term_ascii.c
+++ b/term_ascii.c
@@ -40,7 +40,7 @@
static struct termp *ascii_init(enum termenc, const struct mchars *,
const struct manoutput *);
-static double ascii_hspan(const struct termp *,
+static int ascii_hspan(const struct termp *,
const struct roffsu *);
static size_t ascii_width(const struct termp *, int);
static void ascii_advance(struct termp *, size_t);
@@ -48,7 +48,7 @@ static void ascii_begin(struct termp *);
static void ascii_end(struct termp *);
static void ascii_endline(struct termp *);
static void ascii_letter(struct termp *, int);
-static void ascii_setwidth(struct termp *, int, size_t);
+static void ascii_setwidth(struct termp *, int, int);
#if HAVE_WCHAR
static void locale_advance(struct termp *, size_t);
@@ -137,15 +137,16 @@ locale_alloc(const struct mchars *mchars, const struct manoutput *outopts)
}
static void
-ascii_setwidth(struct termp *p, int iop, size_t width)
+ascii_setwidth(struct termp *p, int iop, int width)
{
+ width /= 24;
p->rmargin = p->defrmargin;
if (iop > 0)
p->defrmargin += width;
else if (iop == 0)
- p->defrmargin = width ? width : p->lastrmargin;
- else if (p->defrmargin > width)
+ p->defrmargin = width ? (size_t)width : p->lastrmargin;
+ else if (p->defrmargin > (size_t)width)
p->defrmargin -= width;
else
p->defrmargin = 0;
@@ -218,52 +219,45 @@ ascii_advance(struct termp *p, size_t len)
putchar(' ');
}
-static double
+static int
ascii_hspan(const struct termp *p, const struct roffsu *su)
{
double r;
- /*
- * 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;
+ r = su->scale;
break;
case SCALE_CM:
- r = su->scale * 10.0 / 2.54;
+ r = su->scale * 240.0 / 2.54;
break;
case SCALE_FS:
- r = su->scale * 2730.666;
+ r = su->scale * 65536.0;
break;
case SCALE_IN:
- r = su->scale * 10.0;
+ r = su->scale * 240.0;
break;
case SCALE_MM:
- r = su->scale / 100.0;
+ r = su->scale * 0.24;
break;
+ case SCALE_VS:
+ /* FALLTHROUGH */
case SCALE_PC:
- r = su->scale * 10.0 / 6.0;
+ r = su->scale * 40.0;
break;
case SCALE_PT:
- r = su->scale * 10.0 / 72.0;
- break;
- case SCALE_VS:
- r = su->scale * 2.0 - 1.0;
+ r = su->scale * 10.0 / 3.0;
break;
case SCALE_EN:
/* FALLTHROUGH */
case SCALE_EM:
- r = su->scale;
+ r = su->scale * 24.0;
break;
default:
abort();
/* NOTREACHED */
}
-
- return(r);
+ return(r > 0.0 ? r + 0.01 : r - 0.01);
}
const char *