String style (ly_scm2string (scm_symbol_to_string (st)));
if (style[0]=='1')
{
- m = time_signature (me, n, 0);
+ m = numbered_time_signature (me, n, 0);
}
else
{
- m = special_time_signature (me, style, n, d);
+ m = special_time_signature (me, st, n, d);
}
}
else
- m = time_signature (me, n,d);
+ m = numbered_time_signature (me, n,d);
if (Staff_symbol_referencer::line_count (me) % 2 == 0)
m.translate_axis (Staff_symbol_referencer::staff_space (me)/2 , Y_AXIS);
}
Molecule
-Time_signature::special_time_signature (Grob*me, String s, int n, int d)
+Time_signature::special_time_signature (Grob *me, SCM scm_style, int n, int d)
{
- /*
- Randomly probing the font sucks?
- */
-
- SCM alist_chain = Font_interface::font_alist_chain (me);
-
- SCM style_chain =
- Font_interface::add_style (me, ly_symbol2scm ("timesig-symbol"),
- alist_chain);
+ String style = ly_scm2string (scm_symbol_to_string (scm_style));
- Font_metric *feta = Font_interface::get_font (me, style_chain);
+ if (style == "numbered")
+ return numbered_time_signature (me, n, d);
- /*
- First guess: s contains only the signature style, append fraction.
- */
- String symbolname = "timesig-" + s + to_string (n) + "/" + to_string (d);
-
- Molecule m = feta->find_by_name (symbolname);
- if (!m.empty_b ())
- return m;
+ if ((style == "default") || (style == ""))
+ style = to_string ("C");
- /*
- Second guess: s contains the full signature name
- */
- m = feta->find_by_name ("timesig-" + s);
- m.align_to (X_AXIS, LEFT);
- if (!m.empty_b ())
- return m;
+ if (style == "C")
+ {
+ if /* neither C2/2 nor C4/4 */
+ (((n != 2) || (d != 2)) &&
+ ((n != 4) || (d != 4)))
+ {
+ return numbered_time_signature (me, n, d);
+ }
+ }
+
+ String char_name = style + to_string (n) + "/" + to_string (d);
+ me->set_grob_property ("font-family", ly_symbol2scm ("music"));
+ Molecule out =
+ Font_interface::get_default_font (me)->find_by_name ("timesig-" + char_name);
+ if (!out.empty_b ())
+ return out;
/*
- If there is no such symbol, we default without warning to the
- numbered style.
- */
- return time_signature (me, n, d);
+ If there is no such symbol, we default to the numbered style.
+ (Here really with a warning!)
+ */
+ me->warning (_f ("time signature symbol `%s' not found; "
+ "reverting to numbered style", char_name));
+ return numbered_time_signature (me, n, d);
}
-
Molecule
-Time_signature::time_signature (Grob*me,int num, int den)
+Time_signature::numbered_time_signature (Grob*me,int num, int den)
{
SCM chain = Font_interface::font_alist_chain (me);
+ me->set_grob_property("font-family", ly_symbol2scm ("number"));
Molecule n = Text_item::text2molecule (me,
- ly_str02scm (to_string (num).to_str0 ()),
+ scm_makfrom0str (to_string (num).to_str0 ()),
chain);
Molecule d = Text_item::text2molecule (me,
- ly_str02scm (to_string (den).to_str0 ()),
+ scm_makfrom0str (to_string (den).to_str0 ()),
chain);
n.align_to (X_AXIS, CENTER);
d.align_to (X_AXIS, CENTER);
return m;
}
-
-
ADD_INTERFACE (Time_signature,"time-signature-interface",
"A time signature, in different styles.
The following values for 'style are are recognized:
4/4 and 2/2 are typeset as C and struck C, respectively. All
other time signatures are written with two digits.
- @item @code{old}
+ @item @code{neo_mensural}
2/2, 3/2, 2/4, 3/4, 4/4, 6/4, 9/4, 4/8, 6/8 and 9/8 are
- typeset with old-style mensuration marks. All other time
+ typeset with neo-mensural style mensuration marks. All other time
+ signatures are written with two digits.
+
+ @item @code{mensural}
+ 2/2, 3/2, 2/4, 3/4, 4/4, 6/4, 9/4, 4/8, 6/8 and 9/8 are
+ typeset with mensural style mensuration marks. All other time
signatures are written with two digits.
@item @code{1xxx}
All time signatures are typeset with a single
digit, e.g. 3/2 is written as 3. (Any symbol starting
with the digit @code{1} will do.)
-
- @item @code{C}@var{M}@code{/}@var{N},
-@code{old}@var{M}@code{/}@var{N} or
- @code{old6/8alt}
- Tells LilyPond to use a specific symbol as time signature,
- regardless of the actual time signature.
@end table
See also the test-file @file{input/test/time.ly}.