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% feta-haak.mf -- implement bracket tips -*-Fundamental-*-
%
% part of LilyPond's pretty-but-neat music font
%
% source file of the Feta (not the Font-En-Tja) music font
%
% (c) 2005--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
fet_begingroup ("brackettips");
def draw_bracket (expr thick_sharp, width_sharp, updown) =
begingroup;
save p, thin, thick, flattening, width, hair, flare;
path p;
pair tipdir;
flattening = 0.72;
thick# = thick_sharp;
flare# = flattening * width#;
width# = width_sharp;
define_pixels (thick, width, flare);
if updown = 1:
set_char_box (0, width#,
.5 thick#, flare#);
else:
set_char_box (0, width#,
flare#, .5 thick#);
fi;
thin = 2 linethickness;
hair = 1.25 linethickness;
pickup pencircle scaled thin;
y7 = y1;
x7 = x2;
z2 = z4r + (thin, 0);
penpos3 (thin, 0);
penpos4 (thin, 90);
z3 = z4;
top y3 = 0.5 thick;
lft x3 = 0.0;
x1 = x3l;
y1 = -0.5 thick;
z8 = .5 [z2, z7];
top y5 = flare;
rt x5 = width;
p := z8{right}
..tension 1.2.. z5{curl 0};
tipdir := direction 1 of p;
penpos5 (hair, angle tipdir);
penpos6 (hair, 90 + angle tipdir);
z5 = z6;
pickup pencircle scaled 1;
fill (z1
-- z3l{up}
.. z4r{right}
-- z2{right}
.. z6r{tipdir}
.. z5r
.. z6l{-tipdir}
..tension 1.1.. z7{left}
& z7
-- z1
& cycle) yscaled updown;
if updown = 1:
penlabels (1, 2, 3, 4, 5, 6, 7, 8);
fi;
endgroup;
enddef;
fet_beginchar ("bracket tip up", "up");
draw_bracket (0.45 staff_space#, 1.9 staff_space#, 1);
fet_endchar;
fet_beginchar ("bracket tip down", "down");
draw_bracket (0.45 staff_space#, 1.9 staff_space#, -1);
fet_endchar;
fet_endgroup ("brackettips");
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