diff options
| -rw-r--r-- | html.c | 4 | ||||
| -rw-r--r-- | roff.7 | 16 | ||||
| -rw-r--r-- | term_ascii.c | 32 | ||||
| -rw-r--r-- | term_ps.c | 40 |
4 files changed, 60 insertions, 32 deletions
@@ -1,4 +1,4 @@ -/* $Id: html.c,v 1.161 2014/08/13 15:25:22 schwarze Exp $ */ +/* $Id: html.c,v 1.162 2014/08/13 20:34:29 kristaps Exp $ */ /* * Copyright (c) 2008, 2009, 2010, 2011 Kristaps Dzonsons <kristaps@bsd.lv> * Copyright (c) 2011, 2012, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> @@ -760,6 +760,8 @@ bufcat_su(struct html *h, const char *p, const struct roffsu *su) v = su->scale; if (SCALE_MM == su->unit && 0.0 == (v /= 100.0)) v = 1.0; + else if (SCALE_BU == su->unit) + v /= 24.0; bufcat_fmt(h, "%s: %.2f%s;", p, v, roffscales[su->unit]); } @@ -1,4 +1,4 @@ -.\" $Id: roff.7,v 1.55 2014/07/07 11:35:06 schwarze Exp $ +.\" $Id: roff.7,v 1.56 2014/08/13 20:34:29 kristaps Exp $ .\" .\" Copyright (c) 2010, 2011, 2012 Kristaps Dzonsons <kristaps@bsd.lv> .\" Copyright (c) 2010, 2011, 2013, 2014 Ingo Schwarze <schwarze@openbsd.org> @@ -15,7 +15,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: July 7 2014 $ +.Dd $Mdocdate: August 13 2014 $ .Dt ROFF 7 .Os .Sh NAME @@ -239,8 +239,9 @@ pica (~1/6 inch) .It p point (~1/72 inch) .It f -synonym for +scale .Sq u +by 65536 .It v default vertical span .It m @@ -254,7 +255,7 @@ width of rendered .Pq en character .It u -default horizontal span +default horizontal span for the terminal .It M mini-em (~1/100 em) .El @@ -262,7 +263,6 @@ mini-em (~1/100 em) Using anything other than .Sq m , .Sq n , -.Sq u , or .Sq v is necessarily non-portable across output media. @@ -1348,6 +1348,12 @@ refers to groff version 1.15. .Pp .Bl -dash -compact .It +The +.Sq u +scaling unit is the default terminal unit. +In traditional troff systems, this unit would change depending on the +output media. +.It In mandoc, the .Sx \&EQ , .Sx \&TE , 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); @@ -1,4 +1,4 @@ -/* $Id: term_ps.c,v 1.63 2014/08/10 23:54:41 schwarze Exp $ */ +/* $Id: term_ps.c,v 1.64 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> @@ -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; |