%
% source file of the Feta (not the Font-En-Tja) music font
%
-% (c) 1997--2005 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+% (c) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>,
% Jan Nieuwenhuizen <janneke@gnu.org>,
% Juergen Reuter <reuter@ipd.uka.de>
clearxy;
center = outer_tangent_point
- + big_radius * dir (0)
+ + big_radius * dir (0);
% + (big_radius - bulb_radius) * dir (-turning_dir * 90)
- ;
z1' = center + bulb_radius * dir (turning_dir * 180);
z2' = outer_tangent_point + flare * dir (0);
labels (1', 2', 3', 4', 5');
before := z3'{dir (turning_dir * 90)}
- .. z4'{-dir(0)}
- .. tension 1.1
- .. z1'{-dir (turning_dir* 90)};
+ .. z4'{-dir (0)}
+ ..tension 1.1.. z1'{-dir (turning_dir* 90)};
after := z2'{dir (turning_dir * 90)}
.. end_point{dir (end_angle)};
(u, v) = before intersectiontimes after;
pat := start_point{dir (start_angle)}
.. outer_tangent_point{dir (-turning_dir * 90)}
- .. tension 1.02
- .. z5'{dir(0)}
- .. subpath (0, u) of before
+ ..tension 1.02.. z5'{dir (0)}
+ .. subpath (0, u) of before
.. subpath (v, infinity) of after;
if direction = 0:
pat := reverse pat;
fi
- pat
+
+pat
endgroup
enddef;
def draw_bass_clef (expr exact_center, reduction) =
save reduced_ss, swoosh_width;
- save right_thickness, right_offset, tip_protude;
+ save right_thickness, right_offset, tip_protrude;
save dot_diam, bulb_y_offset, bulb_flare;
- pair tip_protude;
+ pair tip_protrude;
reduced_ss# = staff_space# * reduction;
2.2 dot_diam# = reduction * (staff_space# - stafflinethickness#);
right_offset = 0.05 staff_space;
bulb_y_offset := 0.075 staff_space;
bulb_flare := 2.5 linethickness;
-% tip_protude := (-linethickness, -.2 staff_space);
- tip_protude := (0, 0);
+% tip_protrude := (-linethickness, -.2 staff_space);
+ tip_protrude := (0, 0);
set_char_box (-xpart exact_center,
xpart exact_center + swoosh_width# + 7/12 reduced_ss#,
% optical correction: the top dot seems farther away if y3l = 0.
y3l = right_offset;
- z4 = -(0, 2.0 reduced_ss) + tip_protude;
+ z4 = -(0, 2.0 reduced_ss) + tip_protrude;
penpos3 (whatever, 185);
penpos4 (linethickness, 135);
upward_swoosh_angle = 132;
start_angle = -97;
- breapth_factor = 21.0 /14;
+ breapth_factor = 21/14;
inner_thick_end = 45;
inner_start_angle = downstroke_angle - 43;
thickness = .32 reduced_ss + 1.1 linethickness;
z10r - z10l = .7 thinnib * dir (downstroke_angle + 90)
+ whatever * downstroke_dir;
z10 = .5 [z10l, z10r];
-
z11 = center + whatever * downstroke_dir + (-0.05 reduced_ss, 0);
- penpos11 (thinnib, start_angle + 90);
+ penpos11 (thinnib, start_angle + 90);
penpos12 (thinnib, bot_angle + 90);
penpos13 (thinnib + 0.14 staff_space, 180);
% this auxiliary point ensures good contour overlapping
z8 = .5 [z9l, z9r] + .25 ((z9r - z9l) rotated -90);
-
z20 = z9l - (0, .25 blot_diameter);
- penpos20(blot_diameter, 0);
+ penpos20 (blot_diameter, 0);
- fill
- z2l{right}
+ pat := z10{down}
+ .. z6
+ ..tension 1.1.. z11{dir (start_angle)};
+
+ penpos6 (thinnib, angle (direction 1 of pat) + 90);
+
+ % two auxiliary points to simulate `draw' with `penstroke'
+ z10' = point 0.3 of pat;
+ penpos10' (1.3 thinnib, angle (direction 0.3 of pat) + 50);
+
+ z11' = point 1.5 of pat;
+ penpos11' (thinnib, angle (direction 1.5 of pat) + 90);
+
+ z21l = z20l;
+ z21r = z9r;
+
+ pat := z21l
+ .. z10l{down}
+ .. z10'l;
+
+ fill z2l{right}
.. z3l
.. z4l{left}
- .. tension 1.07 % inside curve
- .. z5l{up}
+ ..tension 1.07.. z5l{up} % inside curve
.. z7l{up}
- .. tension 1.2
- .. z20r
- & simple_serif (z20r,z20l, 60)
+ ..tension 1.2.. z20r{curl 1}
+ .. {direction 0 of pat}z20l
-- z8
-- z9r % {dir (downstroke_angle + 0)}
..tension 0.8.. z7r{down}
-- z1l
..tension 0.85.. cycle;
- pat := z10{down}
- .. z6
- .. tension 1.1
- .. z11{dir (start_angle)};
-
- penpos6 (thinnib, angle (direction 1 of pat) + 90);
-
- % two auxiliary points to simulate `draw' with `penstroke'
- z10' = point 0.5 of pat;
- penpos10' (thinnib, angle (direction 0.5 of pat) + 90);
-
- z11' = point 1.5 of pat;
- penpos11' (thinnib, angle (direction 1.5 of pat) + 90);
-
- z21l = z20l;
- z21r = z9r;
-
penstroke z21e
.. z10e{down}
.. z10'e
thinnib + .05 staff_space, 1, -1)
-- cycle;
- penlabels (range 1 thru 20);
+ penlabels (range 1 thru 21);
penlabels (10', 11');
draw_staff (-1, 3, 0);
penpos10 (.75 [penh, penw], 170);
z10 = pos + .375 vx + vy;
- penpos 11 (.8 [penh, penw], 150);
+ penpos11 (.8 [penh, penw], 150);
z11 = z10 - .5 vy + .04 vx;
penpos12 (penh, 100);
z12l = (xpart .5 [z13, z11], ypart pos);