%
% source file of the Feta (not the Font-En-Tja) music font
%
-% (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+% (c) 1997--2003 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
% Jan Nieuwenhuizen <janneke@gnu.org>,
% Juergen Reuter <reuter@ipd.uka.de>
% [Wanske] says the bulbs should be positioned about 1/4 right of the
% "arrow"
+
+%
+% TODO: the hair-curve at z6r looks a little awkward.
def draw_c_clef (expr reduction) =
save hair, norm, reduced_ss, right_edge;
reduced_ss#=staff_space#*reduction;
%
def new_bulb (expr outer_tangent_point,
- big_radius, bulb_radius, flare, direction) =
- begingroup;
+ big_radius, bulb_radius, flare, direction, turning_dir) =
+
+begingroup;
save p, oldpen;
path p;
pen oldpen;
pair center;
clearxy;
- center = outer_tangent_point +big_radius* dir(0) + big_radius* dir(-90)
- - bulb_radius * dir (-90);
+ center = outer_tangent_point +big_radius* dir(0) + big_radius* dir(-turning_dir * 90)
+ - bulb_radius * dir (- turning_dir * 90);
- z1 = center + bulb_radius * dir 180;
- z2 = center + bulb_radius * dir 270;
+ z1 = center + bulb_radius * dir (turning_dir * 180);
+ z2 = center + bulb_radius * dir (turning_dir * 270);
z9 = center + bulb_radius * dir (0);
- z10 = center + bulb_radius * dir (90);
+ z10 = center + bulb_radius * dir (turning_dir *90);
z3 = outer_tangent_point + flare * dir (0);
labels(1,2,3,9,10);
% tension is needed to open up the space between return path and the
% ball.
fill
+% draw
z9 .. z10 .. tension 1.1 .. z1 .. z2 .. cycle;
- p:= outer_tangent_point{down}
+ p:= outer_tangent_point{dir (-turning_dir* 90)}
.. tension 0.97
- .. {up}z9 -- z3
+ .. {dir (turning_dir * 90)}z9 -- z3
;
if direction = 1:
p
pickup pencircle scaled 1;
% draw
fill
- new_bulb (z1, 0.4 reduced_ss, 0.35 reduced_ss, 2 stafflinethickness, 1)
+ new_bulb (z1, 0.45 reduced_ss, 0.4 reduced_ss, 2.5 stafflinethickness, 1, 1)
{dir (90)}
.. z2r{right} .. tension 1.0 .. z3r{down} .. {curl 0}
%
% Inspired by Baerenreiter
%
-% FIXME bulb should curve (see bass clef)
-% FIXME start (inside) should be little thinner
-% FIXME parametrise.
-%
% Beste lezers, kijk,
%
%
% -- vrij naar Van Kooten & De Bie
%
-
+def debugfill = fill enddef;
def draw_gclef (expr exact_center, reduction)=
- save reduced_ss, downstroke_dir, downstroke_angle, hair, center;
+ save reduced_ss, downstroke_dir, downstroke_angle, center;
save breapth_factor, inner_thick_end, thinness, thickness, thinnib;
- save inner_start_angle, thinness, thinpen;
+ save inner_start_angle, thinness;
reduced_ss# = staff_space# * reduction;
define_pixels(reduced_ss);
pair downstroke_dir, center;
center := (hround_pixels(xpart exact_center),
vround_pixels(ypart exact_center));
- hair = .3 stafflinethickness;
-% hair = blot_diameter;
- thinness = 1.3 stafflinethickness;
- downstroke_dir = (14, -75);
- breapth_factor = 11/7;
+ thinness = 1.4 stafflinethickness;
+ downstroke_dir = unitvector (14, -75);
+ downstroke_angle = angle downstroke_dir;
+
+
+ breapth_factor = 21.0 /14;
inner_thick_end = 45;
inner_start_angle = downstroke_angle - 43;
- thickness = .4 reduced_ss - hair;
+ thickness = .4 reduced_ss;
+
+ thinnib = thinness;
- thinnib = thinness - hair;
- thinpen = thinness;
set_horizontal_spacing;
set_char_box(
-xpart exact_center + 1.0 * breapth_factor* reduced_ss#,
right_space# +
xpart exact_center + .66 breapth_factor* reduced_ss#,
- -ypart exact_center + 3 * reduced_ss#,
+ -ypart exact_center + 2.6 * reduced_ss#,
ypart exact_center + 5 * reduced_ss#);
-
- pickup pencircle scaled hair;
- downstroke_angle = angle downstroke_dir;
+
+ save upward_swoosh_angle;
+ upward_swoosh_angle =130 ;
+ penpos7(thickness, upward_swoosh_angle);
+ penpos5(thickness, upward_swoosh_angle);
+
+
z1 = center + whatever * dir (inner_start_angle);
x1 = xpart center -.28 reduced_ss;
bot y4r = -(reduced_ss + .5 stafflinethickness);
z3 = (z4 - center) rotated inner_thick_end + center;
-
- z5r = (- breapth_factor, .37)* reduced_ss + center;
- penpos5(thickness, 135);
+ x5r = - breapth_factor* reduced_ss + xpart center;
+ y5r = .37 reduced_ss + ypart center;
z6 = center + whatever * downstroke_dir;
y6 = ypart center + 2 reduced_ss;
- z7l - z6 = whatever *(z5- z6) ;
+ z7l - z6 = whatever * (z5 - z6) ;
y7l = 3.5 reduced_ss;
- z8r = .4 [z9r, z7r] + 1.5 stafflinethickness * dir 52;
x9 = .7 [x10, x7r];
top y9l = 5 reduced_ss;
- y10 = 3. reduced_ss;
- y11 = -11/7 reduced_ss;
+ y11 = ypart center - 47/28 reduced_ss;
+ y12 = ypart center - 71/28 reduced_ss;
+ y13 = .48 [y12,y4r];
+ x11 - x13r = 1.5 reduced_ss + 0.5 thinnib;
+ x12r = xpart (.45 [z13r , z11] + .75 reduced_ss * downstroke_dir) ;
- y12 = ypart center - 18.5/7 reduced_ss;
- x12 = x11 - 5 /7 reduced_ss;
+% z10= center + whatever * dir (downstroke_angle - 1.5 );
+ x10 = x6 - 2 thinnib;
+ y10 = ypart center + 3.5 reduced_ss;
+ y10l - y10r = 1.2 thickness;
+ z10r - z10l =
+ .7 thinnib* dir (downstroke_angle + 90) + whatever * downstroke_dir;
- z13 = z12 + .6 reduced_ss*(-1,1);
+ z10 = .5 [z10l, z10r];
- (z10r - z10l) dotprod (unitvector downstroke_dir rotated 90) =
- thinnib;
+ z11 = center + whatever * downstroke_dir + ( .05 reduced_ss, 0);
- center - z10= whatever * downstroke_dir;
- center - z11 = whatever * downstroke_dir;
- center - z14 = .8 (center - z11);
penpos1(thinnib, inner_start_angle);
penpos2(thickness, 90);
penpos3(thinnib, -90 + inner_thick_end);
penpos4(thinnib, -90);
- penpos7(thickness, 135);
- penpos8(1.5 thinnib, - 70 + angle downstroke_dir);
- penpos9(1.4 thickness, -80); % ugh
- penpos10(whatever, downstroke_angle + 10);
- penpos11(thinnib, downstroke_angle + 90);
- penpos14(thinnib, downstroke_angle + 90);
- penpos12(thinnib, -90);
- penpos13(3 thinnib, 180);
+ penpos9(1.45 thickness, -70);
+ save lipje;
+ pair lipje;
+ lipje= .5 [z9l, z9r] + .25 ((z9r- z9l) rotated -90);
+ penpos13(2 thinnib, 180);
+
+ pickup pencircle scaled 1;
- filldraw z2l{right} .. z3l.. z4l{left} .. z5l{up} .. z7l{up}
+ debugfill
+ z2l{right}
+ .. z3l
+ .. z4l{left}
+ .. z5l{up}
+ .. z7l{up}
%.. z8l
.. tension 1.2
- .. z9l & z9l ..
- {downstroke_dir}z10l --- z11l -- z11r --- z10r{- downstroke_dir}
- .. tension .8
- .. z9r & z9r{dir (downstroke_angle+ 40)} % ugh
+ .. z9l -- lipje
+ --z9r % {dir (downstroke_angle+ 0)}
+ .. tension 0.8
%.. z8r
.. z7r{down} .. z5r{down} .. z4r{right}
.. z3r .. z2r{left} ..
tension .95 ..
- z1r -- z1l
+ z1r -- simple_serif(z1r, z1l, 80) -- z1l
.. tension 0.85 ..cycle;
- filldraw simple_serif(z1r, z1l, 80) -- cycle;
+ save p, staffline_time, staff_line_path, down_staff_line_intersection;
+ path p, staff_line_path;
+ pair down_staff_line_intersection;
+ p := z4{left} .. z5{up} .. z7{up} ;
+
+ staff_line_path := (-reduced_ss, 2 reduced_ss) .. (2 reduced_ss,2 reduced_ss);
+
+ draw p;
+
+
+ % we don't do this with a path: variations in thickness
+ % are very easily made and look very ugh.
+ pickup pencircle scaled thinnib;
+
+
+ save bot_angle;
+
+ bot_angle = -180; % downstroke_angle- 87;
+
+ penpos12(thinnib, bot_angle + 90);
+
+ p := z9 .. z10{down}
+ .. z6
+ .. (.52 [z4, z3])
+ .. z11{down}
+ .. z12{dir(bot_angle)}
+ .. z13{up}
+ ;
+ save down_intersection_t;
+ down_intersection_t := xpart (p intersectiontimes staff_line_path) ;
+ down_staff_line_intersection = point down_intersection_t of p;
+ z14 = down_staff_line_intersection;
+ penpos14(thinnib, angle (direction down_intersection_t of p) + 90);
+
+ save start_angle;
+ start_angle=angle (direction xpart (p intersectiontimes z11) of p);
+ penpos11 (thinnib, start_angle+ 90);
+
+ save loop_end_dir;
+ pair loop_end_dir;
+ loop_end_dir = direction (xpart (p intersectiontimes staff_line_path)) of p;
+ draw p;
+
+ penpos6(thinnib, angle (loop_end_dir) + 90);
+ pickup pencircle scaled 1;
+ debugfill
+ z9l
+ .. {down}z10l
+ .. z14l{loop_end_dir} -- z14r{-loop_end_dir}
+ .. z10r{up}
+ .. tension .98
+ .. z9r
+ -- cycle;
+
+ pickup pencircle scaled 1;
+
+ debugfill
+ z11r{dir(start_angle)}
+ .. z12r{dir(bot_angle)}
+
+ ..new_bulb (z13r, 0.45 reduced_ss, 0.38 reduced_ss, 3 stafflinethickness, 1, -1) {down}
+
+% .. tension 0.98
+ .. z12l{-dir (bot_angle)}
- filldraw z12r{left} .. z13r{up} -- z13l{down} .. z12l{right} .. cycle;
+ .. z11l{-dir(start_angle)}
+ .. cycle;
- draw_bulb(-1, z13l, lft z13r, 6/14 reduced_ss, 1.0);
- pickup pencircle scaled (thinpen);
- draw z10 --- z14 .. z11 .. tension 0.85 .. z12{left};
- penlabels(range 1 thru 15);
+ penlabels(range 1 thru 16);
enddef;
projects / lilypond.git / blobdiff