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-rw-r--r--term_ps.c38
1 files changed, 24 insertions, 14 deletions
diff --git a/term_ps.c b/term_ps.c
index 37020aa2..24342f74 100644
--- a/term_ps.c
+++ b/term_ps.c
@@ -1115,31 +1115,41 @@ ps_hspan(const struct termp *p, const struct roffsu *su)
* All of these measurements are derived by converting from the
* native measurement to AFM units.
*/
-
switch (su->unit) {
- case SCALE_CM:
- r = PNT2AFM(p, su->scale * 28.34);
- break;
- case SCALE_IN:
- r = PNT2AFM(p, su->scale * 72.0);
- break;
- case SCALE_PC:
- r = PNT2AFM(p, su->scale * 12.0);
+ case SCALE_BU:
+ /*
+ * Traditionally, the default unit is fixed to the
+ * output media. So this would refer to the point. In
+ * mandoc(1), however, we stick to the default terminal
+ * scaling unit so that output is the same regardless
+ * the media.
+ */
+ r = PNT2AFM(p, su->scale * 72.0 / 240.0);
break;
- case SCALE_PT:
- r = PNT2AFM(p, su->scale * 100.0);
+ case SCALE_CM:
+ r = PNT2AFM(p, su->scale * 72.0 / 2.54);
break;
case SCALE_EM:
r = su->scale *
fonts[(int)TERMFONT_NONE].gly[109 - 32].wx;
break;
- case SCALE_MM:
- r = PNT2AFM(p, su->scale * 2.834);
- break;
case SCALE_EN:
r = su->scale *
fonts[(int)TERMFONT_NONE].gly[110 - 32].wx;
break;
+ case SCALE_IN:
+ r = PNT2AFM(p, su->scale * 72.0);
+ break;
+ case SCALE_MM:
+ r = su->scale *
+ fonts[(int)TERMFONT_NONE].gly[109 - 32].wx / 100.0;
+ break;
+ case SCALE_PC:
+ r = PNT2AFM(p, su->scale * 12.0);
+ break;
+ case SCALE_PT:
+ r = PNT2AFM(p, su->scale * 1.0);
+ break;
case SCALE_VS:
r = su->scale * p->ps->lineheight;
break;