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% -%-Fundamental-%- -*-Metafont-*-
% parmesan-timesig.mf -- implement ancient time signatures
%
% source file of LilyPond's pretty-but-neat music font
%
% (c) 1998--2009 Mats Bengtsson <matsb@s3.kth.se>,
% Christian Mondrup <scancm@biobase.dk>
% (c) 2002--2009 Juergen Reuter <reuter@ipd.uka.de>
%
fet_begingroup ("timesig");
path threequartercircle;
threequartercircle := halfcircle & quartercircle rotated 180;
save mensural_Cdiameter, mensural_Cthickness, mensural_Chairpin;
mensural_Cdiameter# := 3/2 staff_space#;
mensural_Cthickness# := 2 linethickness#;
mensural_Chairpin# := 0.5 linethickness#;
define_pixels (mensural_Cdiameter, mensural_Cthickness, mensural_Chairpin);
%%%%%%%%
%
%
%
% MENSURAL NOTATION
%
%
%
def draw_nail (expr bottom_left, top_right) =
save round;
round = floor min (blot_diameter,
xpart (top_right-bottom_left),
ypart (top_right-bottom_left));
pickup pencircle scaled round;
z2 + (round / 2, round / 2) = top_right +
(mensural_Cthickness / 2, 0);
z4 - (round / 2,round / 2) = bottom_left;
y3 = y2;
y4 = y1;
x2 = x1 + mensural_Cthickness / 2;
x2 - x1 = x4 - x3;
x5 = x1;
x6 = x4;
y5 = y6 = y2 - 2 mensural_Cthickness;
fill bot z1{right}
.. rt z1{up}
-- rt z5{up}
.. rt z2
.. top z2{left}
-- top z3{left}
.. lft z3
.. lft z6{down}
-- lft z4{down}
.. bot z4{right}
-- cycle;
% labels (1, 2, 3, 4, 5, 6);
enddef;
def mensural_timesig (expr verbose_name, internal_name,
full_circle, reverse_circle, slashed, dotted) =
fet_beginchar (verbose_name, internal_name);
if slashed:
set_char_box (
0,
mensural_Cdiameter# + mensural_Cthickness#,
.75 (mensural_Cdiameter# + mensural_Cthickness#),
.75 (mensural_Cdiameter# + mensural_Cthickness#));
if (full_circle or dotted):
draw_nail ((-mensural_Cthickness / 2, -d),
(mensural_Cthickness / 2, h));
elseif reverse_circle:
draw_nail ((0, -d), (mensural_Cthickness, h));
else:
draw_nail ((-mensural_Cthickness, -d), (0, h));
fi;
else:
set_char_box (
0,
mensural_Cdiameter# + mensural_Cthickness#,
.5 (mensural_Cdiameter# + mensural_Cthickness#),
.5 (mensural_Cdiameter# + mensural_Cthickness#));
fi;
save ellipse, pat;
path ellipse, pat;
ellipse := fullcircle xscaled mensural_Cthickness
yscaled mensural_Chairpin;
save rot;
if reverse_circle:
rot := 225;
else:
rot := 45;
fi;
if full_circle:
pat := fullcircle scaled mensural_Cdiameter;
fill get_subpoint (ellipse,
direction 0 of pat,
point 0 of pat)
for i = 1 step 1 until length pat:
.. get_subpoint (ellipse,
direction i of pat,
point i of pat)
endfor
.. cycle;
unfill get_subpoint (ellipse,
-direction 0 of pat,
point 0 of pat)
for i = 1 step 1 until length pat:
.. get_subpoint (ellipse,
-direction i of pat,
point i of pat)
endfor
.. cycle;
else:
pat := threequartercircle rotated rot
scaled mensural_Cdiameter;
fill get_subpath (ellipse,
-direction 0 of pat,
direction 0 of pat,
point 0 of pat)
for i = 1 step 1 until (length pat - 1):
.. get_subpoint (ellipse,
direction i of pat,
point i of pat)
endfor
.. get_subpath (ellipse,
direction infinity of pat,
-direction infinity of pat,
point infinity of pat)
for i = (length pat - 1) step -1 until 1:
.. get_subpoint (ellipse,
-direction i of pat,
point i of pat)
endfor
.. cycle;
fi;
if dotted:
pickup pencircle scaled 4 linethickness;
drawdot (0, 0);
fi;
currentpicture := currentpicture
shifted 0.5 (mensural_Cdiameter
+ mensural_Cthickness, 0);
fet_endchar;
enddef;
%% tempus imperfectum cum prolatione imperfecta
mensural_timesig ("Mensural 4/4 meter", "mensural44",
false, false, false, false);
%% tempus imperfectum cum prolatione imperfecta proportio dupla
mensural_timesig ("Mensural 2/2 meter", "mensural22",
false, false, true, false);
%% tempus perfectum cum prolatione imperfecta
mensural_timesig ("Mensural 3/2 meter", "mensural32",
true, false, false, false);
%% tempus imperfectum cum prolatione perfecta
mensural_timesig ("Mensural 6/4 meter", "mensural64",
false, false, false, true);
%% tempus perfectum cum prolatione perfecta
mensural_timesig ("Mensural 9/4 meter", "mensural94",
true, false, false, true);
%% tempus perfectum cum prolatione imperfecta proportio dupla
mensural_timesig ("Mensural 3/4 meter", "mensural34",
true, false, true, false);
%% tempus imperfectum cum prolatione perfecta proportio dupla
mensural_timesig ("Mensural 6/8 meter", "mensural68",
false, false, true, true);
%% tempus perfectum cum prolatione perfecta proportio dupla
mensural_timesig ("Mensural 9/8 meter", "mensural98",
true, false, true, true);
%% tempus imperfectum cum prolatione imperfecta diminutio simplex
mensural_timesig ("Mensural 4/8 meter", "mensural48",
false, true, false, false);
%% tempus imperfectum cum prolatione perfecta diminutio simplex
mensural_timesig ("Mensural 6/8 meter", "mensural68alt",
false, true, false, true);
%% tempus imperfectum cum prolatione imperfecta diminutio duplex
mensural_timesig ("Mensural 2/4 meter", "mensural24",
false, true, true, false);
%%%%%%%%
%
%
%
% NEO-MENSURAL NOTATION
%
%
%
save neomensural_Cdiameter, neomensural_Cthickness;
neomensural_Cdiameter# := 3/2 staff_space#;
neomensural_Cthickness# := 2 linethickness#;
define_pixels (neomensural_Cdiameter, neomensural_Cthickness);
def neomensural_timesig (expr verbose_name, internal_name,
full_circle, reverse_circle, slashed, dotted) =
fet_beginchar (verbose_name, internal_name);
set_char_box (
0,
neomensural_Cdiameter# + neomensural_Cthickness#,
.5 (neomensural_Cdiameter# + neomensural_Cthickness#),
.5 (neomensural_Cdiameter# + neomensural_Cthickness#));
if slashed:
pickup penrazor scaled neomensural_Cthickness;
save t;
t := neomensural_Cthickness / 2;
if (full_circle or dotted):
draw (0, -d + t)
-- (0, h - t);
elseif reverse_circle:
draw (t, -d + t)
-- (t, h - t);
else:
draw (-t, -d + t)
-- (-t, h - t);
fi;
fi;
save ellipse, pat;
path ellipse, pat;
ellipse := fullcircle scaled neomensural_Cthickness;
save rot;
if reverse_circle:
rot := 225;
else:
rot := 45;
fi;
if full_circle:
pat := fullcircle scaled neomensural_Cdiameter;
fill get_subpoint (ellipse,
direction 0 of pat,
point 0 of pat)
for i = 1 step 1 until length pat:
.. get_subpoint (ellipse,
direction i of pat,
point i of pat)
endfor
.. cycle;
unfill get_subpoint (ellipse,
-direction 0 of pat,
point 0 of pat)
for i = 1 step 1 until length pat:
.. get_subpoint (ellipse,
-direction i of pat,
point i of pat)
endfor
.. cycle;
else:
pat := threequartercircle rotated rot
scaled neomensural_Cdiameter;
fill get_subpath (ellipse,
-direction 0 of pat,
direction 0 of pat,
point 0 of pat)
for i = 1 step 1 until (length pat - 1):
.. get_subpoint (ellipse,
direction i of pat,
point i of pat)
endfor
.. get_subpath (ellipse,
direction infinity of pat,
-direction infinity of pat,
point infinity of pat)
for i = (length pat - 1) step -1 until 1:
.. get_subpoint (ellipse,
-direction i of pat,
point i of pat)
endfor
.. cycle;
fi;
if dotted:
pickup pencircle scaled 4 linethickness;
drawdot (0, 0);
fi;
currentpicture := currentpicture
shifted 0.5 (neomensural_Cdiameter
+ neomensural_Cthickness, 0);
fet_endchar;
enddef;
%% tempus imperfectum cum prolatione imperfecta
neomensural_timesig ("Mensural 4/4 meter", "neomensural44",
false, false, false, false);
%% tempus imperfectum cum prolatione imperfecta proportio dupla
neomensural_timesig ("Mensural 2/2 meter", "neomensural22",
false, false, true, false);
%% tempus perfectum cum prolatione imperfecta
neomensural_timesig ("Mensural 3/2 meter", "neomensural32",
true, false, false, false);
%% tempus imperfectum cum prolatione perfecta
neomensural_timesig ("Mensural 6/4 meter", "neomensural64",
false, false, false, true);
%% tempus perfectum cum prolatione perfecta
neomensural_timesig ("Mensural 9/4 meter", "neomensural94",
true, false, false, true);
%% tempus perfectum cum prolatione imperfecta proportio dupla
neomensural_timesig ("Mensural 3/4 meter", "neomensural34",
true, false, true, false);
%% tempus imperfectum cum prolatione perfecta proportio dupla
neomensural_timesig ("Mensural 6/8 meter", "neomensural68",
false, false, true, true);
%% tempus perfectum cum prolatione perfecta proportio dupla
neomensural_timesig ("Mensural 9/8 meter", "neomensural98",
true, false, true, true);
%% tempus imperfectum cum prolatione imperfecta diminutio simplex
neomensural_timesig ("Mensural 4/8 meter", "neomensural48",
false, true, false, false);
%% tempus imperfectum cum prolatione perfecta diminutio simplex
neomensural_timesig ("Mensural 6/8 meter", "neomensural68alt",
false, true, false, true);
%% tempus imperfectum cum prolatione imperfecta diminutio duplex
neomensural_timesig ("Mensural 2/4 meter", "neomensural24",
false, true, true, false);
fet_endgroup ("timesig");
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