%
% source file of the Feta (Font-En-Tja) music font
%
-% (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>
-%
-
-fet_begingroup("klef");
+% (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>,
+% Jan Nieuwenhuizen <jan@digicash.com>
+fet_begingroup("clefs");
def draw_staff(expr first, last)=
pickup pencircle scaled stafflinethickness;
for i:= first step 1 until last:
draw (- interline, i* interline) .. (4 interline, i* interline);
endfor
+ enddef;
+
+% [Wanske] says the bulbs should be positioned about 1/4 right of the
+% "arrow"
+def draw_c_clef (expr reduction) =
+ save hair, norm, reduced_il;
+ reduced_il#=interline#*reduction;
+ norm#:=2/3reduced_il#;
+ hair#:=1/6norm#;
+ define_pixels (hair,norm,reduced_il);
+ set_char_box (0, 5/2reduced_il#, 2 reduced_il#, 2 reduced_il#);
+ draw_block ((0,-d), (1/2reduced_il,h));
+ draw_block ((1/2reduced_il+stafflinethickness,-d),
+ (1/2reduced_il+2stafflinethickness,h));
+
+ save xoff;
+ xoff=1/2reduced_il+2hair;
+ penpos1(hair,-90);
+ z1l=(xoff+norm+hair,h);
+ penpos2(norm-hair,180);
+ z2l=(w,h/2);
+ penpos3(hair,90);
+ z3=(((w-xoff)/2)+xoff,2hair);
+
+ penpos4(hair,0);
+ z4=(xoff+1/2norm+1/2hair,reduced_il-hair);
+
+ penpos5(4hair,0);
+ z5=(xoff+5/4hair,0);
+
+ penpos6(norm-hair,90);
+ z6=(xoff+3/4norm,0);
+
+ penpos7(hair,-90);
+ z7r=(x1,-d);
+
+ save t; t=0.833;
+ save p; path p;
+% p = z5l..z4l{up}..z4r{down}..z3r{right}..tension t..z2r{up}
+% ..z1r{left}..z1l{right}..z2l{down}
+% ..z3l{left}..z5r{down};
+ p = z5l..z4l{up}..z4r{down}..z3r{right}..tension t..z2r{up}
+ ..z1r{left}..z1l{right}..z2l{down}
+ ..z3l{left}..z6r..z5r{down};
+ pickup pencircle scaled 1pt#;
+ filldraw p..(reverse p yscaled -1)..cycle;
+ penlabels (1,2,3,4,5,6);
+
+ % ugh, should be bulb, not flare?
+ draw_flare(z1l,180,90,hair,norm-1/4hair);
+ draw_flare(z7r,180,-90,hair,norm-1/4hair);
+ enddef;
+
+fet_beginchar ("C clef", "alto", "altoclef")
+ if test = 1:
+ draw_staff (-2,2);
+ fi;
+ draw_c_clef (1.0);
+fet_endchar;
- enddef;
-
-
+fet_beginchar ("C clef", "alto_change", "caltoclef")
+ if test = 1:
+ draw_staff (-2,2);
+ fi;
+ draw_c_clef (.8);
+fet_endchar;
%
% Inspired by Baerenreiter and Breitkopf
% FIXME bulb should curve (see bass clef)
% FIXME start (inside) should be little thinner
% FIXME parametrise.
-% FIXME should be a bit more upright
%
% Beste lezers, kijk,
downstroke_dir = (14, -75);
breapth_factor = 11/7;
inner_thick_end = 45;
- inner_start_angle = angle(-1,-2);
+ inner_start_angle = downstroke_angle - 43;
thickness = .4 reduced_il - hair;
thinnib = thinness - hair;
thinpen = thinness;
- set_char_box(-xpart exact_center + breapth_factor* reduced_il#,
+ set_char_box(-xpart exact_center + 1.1 * breapth_factor* reduced_il#,
xpart exact_center + .66 breapth_factor* reduced_il#,
-ypart exact_center + 3 * reduced_il#,
ypart exact_center + 5 * reduced_il#);
pickup pencircle scaled hair;
-
downstroke_angle = angle downstroke_dir;
- z1 = center + whatever * dir inner_start_angle;
+
+ z1 = center + whatever * dir (inner_start_angle);
x1 = xpart center -.28 reduced_il;
top z2r = center + (0,reduced_il + stafflinethickness/2);
if test = 1:
draw_staff(-1,3);
fi;
- draw_gclef((1.6 interline#,0), 1.0);
+ draw_gclef((1.7 interline#,0), 1.0);
fet_endchar;
fet_beginchar("G clef", "violin_change", "cviolinclef")
draw_gclef((1.3 interline#,0), .8);
fet_endchar;
-fet_endgroup("klef");
+fet_endgroup("clefs");