diff options
Diffstat (limited to 'term_ascii.c')
| -rw-r--r-- | term_ascii.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/term_ascii.c b/term_ascii.c index 3eb03801..2c11a79c 100644 --- a/term_ascii.c +++ b/term_ascii.c @@ -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); |