+% feta-klef.mf -- implement Clefs -*-Fundamental-*-
%
-% feta-klef.mf -- implement Clefs
-%
-% source file of the Feta (Font-En-Tja) music font
+% part of LilyPond's pretty-but-neat music font
+%
+% source file of the Feta (not the Font-En-Tja) music font
%
-% (c) 1997 Han-Wen Nienhuys <hanwen@stack.nl>,
-% Jan Nieuwenhuizen <jan@digicash.com>
+% (c) 1997--2002 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+% Jan Nieuwenhuizen <janneke@gnu.org>,
+% Juergen Reuter <reuter@ipd.uka.de>
-fet_begingroup("klef");
-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;
+fet_begingroup("clefs");
+%
+% [Ross] says that clefs take 1 staff_space space on the left and right
+%
+def set_horizontal_spacing =
+ save left_space ,right_space;
+ left_space# = 0;
+ right_space# = 0;
+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;
+ save hair, norm, reduced_il, right_edge;
+ reduced_il#=staff_space#*reduction;
norm#:=2/3reduced_il#;
hair#:=1/6norm#;
- define_pixels (hair,norm,reduced_il);
- set_char_box (0, 11/4interline#, 2 reduced_il#, 2 reduced_il#);
- % huh, what's y-zero?
- draw_block ((0,-d), (1/2reduced_il,h));
- draw_block ((1/2reduced_il+stafflinethickness,-d),
- (1/2reduced_il+2stafflinethickness,h));
+
+ set_horizontal_spacing;
+ right_edge# = 15/4norm#+2hair#;
+
+ set_char_box (left_space#, right_edge# + right_space#,
+ 2 reduced_il#, 2 reduced_il#);
+ define_pixels (hair,norm,reduced_il, right_edge);
+
+ draw_block ((0,-d), (3/4norm+1/2hair,h));
+ draw_block ((3/4norm+2hair,-d),
+ (3/4norm+7/2hair,h));
save xoff;
- xoff=1/2reduced_il+2hair;
+ xoff=3/4norm+7/2hair;
penpos1(hair,-90);
- z1l=(xoff+norm+hair/2,h);
- penpos2(norm-hair,180);
- z2l=(w,h/2);
+ z1l=(xoff+norm+hair,h);
+ penpos2(norm-3/2hair,180);
+ z2l=(right_edge,h/2);
penpos3(hair,90);
- z3=(((w-xoff)/2)+xoff,2hair);
- penpos4(hair,90);
- z4=(xoff+hair+1/2norm+hair,y3);
+ z3=(((right_edge -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);
- penpos6(hair,-90);
- z6r=(xoff+norm+hair,-d);
save t; t=0.833;
save p; path p;
- p = z4r{right}..z3r{right}..tension t..z2r{up}
- ..z1r{left}..z1l{right}..z2l{down}
- ..z3l{left}..z4l{left};
+ p = z5l..z4l{up}..z4r{down}..z3r{right}..tension t..z2r{up}
+ ..tension t..
+ flare_path(z1l,180,90,hair,norm-1/2hair, -1)
+%z1r{left}..z1l{right}
+ ..tension t..z2l{down}
+ ..z3l{left}..z6r..z5r{down};
pickup pencircle scaled 1pt#;
- % boehoe, howto?
-% draw p..(p yscaled -1)..cycle;
- fill p..cycle;
- fill (p yscaled -1)..cycle;
- penlabels (1,2,3,4);
-
- % ugh, should be bulb, not flare
- draw_flare(z1l,180,90,hair,norm);
- draw_flare(z6r,180,-90,hair,norm+hair);
+ filldraw p..(reverse p yscaled -1)..cycle;
+ penlabels (1,2,3,4,5,6);
+
+ % ugh, should be bulb, not flare?
+
enddef;
-fet_beginchar ("C clef", "ugh_alto", "ugh_altoclef")
+fet_beginchar ("C clef", "C", "altoclef")
if test = 1:
- draw_staff (-1,3);
+ draw_staff (-2,2, 0.0);
fi;
draw_c_clef (1.0);
fet_endchar;
-fet_beginchar ("C clef", "ugh_alto_change", "ugh_caltoclef")
+fet_beginchar ("C clef", "C_change", "caltoclef")
+ if test = 1:
+ draw_staff (-2,2, 0.0);
+ fi;
draw_c_clef (.8);
fet_endchar;
% [Wanske] says that the extreme x point should be exactly between
% the dots, but her picture shows that the extreme is ~ 0.2 ss lower
-def draw_bass_klef(expr exact_center, reduction) =
- save reduced_il, left_tilt, left_thick;
- reduced_il# = interline# * reduction;
- left_tilt = 5;
- define_pixels(reduced_il);
- left_thick = .25 reduced_il;
-
- set_char_box(
- - xpart exact_center+ .2 reduced_il#,
- xpart exact_center + 2.7 reduced_il#,
- - ypart exact_center + 2.5 reduced_il#,
- ypart exact_center +reduced_il#);
- x1r - x1l = left_thick;
- z1l = (hround_pixels(xpart exact_center),
- vround_pixels(ypart exact_center));
-
- y2 = reduced_il;
-
- x3l - x1l = 2.1 reduced_il;
- x2 = .5 [x1,x3];
- x3l - x3r = .48 reduced_il;
- y3l = -0.05 interline;
- x4 = x1l - stafflinethickness;
- y4 = -2.2 reduced_il;
- z5 = (x3l + 1/3 reduced_il, .5 reduced_il);
-
- penpos1(whatever, left_tilt);
- penpos2(1.2 stafflinethickness, -90);
- penpos3(whatever, 185);
- penpos4(stafflinethickness, 135);
-
- draw_bulb(1, z1r, z1l, .45 reduced_il, 1.0);
-
-
- fill z1r{up} .. z2r{right} .. tension 1.0 .. z3r{down} .. {curl 0}
- simple_serif(z4r, z4l, 90) {curl 0}
- .. z3l{up} .. tension 0.9 .. z2l{left}
- .. z1l{dir (-90 + left_tilt)} -- cycle;
- labels(2,4);
- penlabels(1,2,3,4);
-
- pickup pencircle scaled (.35 reduced_il);
- draw z5;
- draw z5 yscaled -1;
+def draw_bass_clef(expr exact_center, reduction) =
+ save reduced_il, left_tilt, left_thick, ball_to_right;
+ reduced_il# = staff_space# * reduction;
+
+ set_horizontal_spacing;
+ ball_to_right# = 2.1 reduced_il#;
+ set_char_box(left_space# +
+ - xpart exact_center,
+ right_space# +
+ xpart exact_center + ball_to_right# + 7/12 reduced_il#,
+ - ypart exact_center + 2.5 reduced_il#,
+ ypart exact_center +reduced_il#);
+
+ define_pixels(reduced_il, ball_to_right);
+ left_tilt = 5;
+ left_thick = .25 reduced_il;
+
+ x1r - x1l = left_thick;
+ z1l = (hround_pixels(xpart exact_center),
+ vround_pixels(ypart exact_center));
+
+ y2 = reduced_il;
+
+ x3l - x1l = ball_to_right;
+ x2 = .5 [x1,x3];
+ x3l - x3r = .48 reduced_il;
+ y3l = -0.05 staff_space;
+ x4 = x1l - stafflinethickness;
+ y4 = -2.2 reduced_il;
+ z5 = (x3l + 1/3 reduced_il, .5 reduced_il);
+
+ penpos1(whatever, left_tilt);
+ penpos2(1.2 stafflinethickness, -90);
+ penpos3(whatever, 185);
+ penpos4(stafflinethickness, 135);
+
+ draw_bulb(1, z1r, z1l, .45 reduced_il, 1.0);
+
+
+ fill z1r{up} .. z2r{right} .. tension 1.0 .. z3r{down} .. {curl 0}
+ simple_serif(z4r, z4l, 90) {curl 0}
+ .. z3l{up} .. tension 0.9 .. z2l{left}
+ .. z1l{dir (-90 + left_tilt)} -- cycle;
+ labels(2,4);
+ penlabels(1,2,3,4);
+
+ save dot_diam;
+ 2 dot_diam = round reduction* (staff_space - stafflinethickness);
+ pickup pencircle scaled dot_diam;
+ drawdot z5;
+ drawdot z5 yscaled -1;
enddef;
-fet_beginchar("F clef ", "bass", "bassclef")
+
+fet_beginchar("F clef ", "F", "bassclef")
if test = 1:
- draw_staff(-3,1);
+ draw_staff(-3,1, 0.0);
fi;
- draw_bass_klef((.5 interline#, 0), 1.0);
+ draw_bass_clef((.5 staff_space#, 0), 1.0);
fet_endchar;
-fet_beginchar("F clef (reduced)", "bass_change", "cbassclef")
- draw_bass_klef((.4 interline#, 0),0.8);
+
+fet_beginchar("F clef (reduced)", "F_change", "cbassclef")
+ draw_bass_clef((.4 staff_space#, 0),0.8);
fet_endchar;
%
% Inspired by Baerenreiter
%
-% FIXME top should be thinner at z8,
% 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,
% Ikzelf heb bijvoorbeeld over mijn eerste gave G-sleutel
% 35 kilobyte metafont, 12 patchlevels, 0 vriendinnen en 45 dagen gedaan
%
+% -- vrij naar Van Kooten & De Bie
+%
+
def draw_gclef (expr exact_center, reduction)=
save reduced_il, downstroke_dir, downstroke_angle, hair, center;
save breapth_factor, inner_thick_end, thinness, thickness, thinnib;
save inner_start_angle, thinness, thinpen;
- reduced_il# = interline# * reduction;
+ reduced_il# = staff_space# * reduction;
define_pixels(reduced_il);
pair downstroke_dir, center;
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_horizontal_spacing;
+
+ set_char_box(
+ left_space# +
+ -xpart exact_center + 1.0 * breapth_factor* reduced_il#,
+ right_space# +
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);
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);
penpos7(thickness, 135);
penpos8(1.5 thinnib, - 70 + angle downstroke_dir);
- penpos9(1.5 thickness, -80);
+ 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);
-
filldraw 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
+ .. z9r & z9r{dir (downstroke_angle+ 40)} % ugh
%.. z8r
.. z7r{down} .. z5r{down} .. z4r{right}
.. z3r .. z2r{left} ..
draw_bulb(-1, z13l, lft z13r, 6/14 reduced_il, 1.0);
pickup pencircle scaled (thinpen);
- draw z10 --- z11 .. z12{left};
+ draw z10 --- z14 .. z11 .. tension 0.85 .. z12{left};
penlabels(range 1 thru 15);
enddef;
-fet_beginchar("G clef", "violin", "violinclef")
+fet_beginchar("G clef", "G", "trebleclef")
if test = 1:
- draw_staff(-1,3);
+ draw_staff(-1,3, 0.0);
fi;
- draw_gclef((1.6 interline#,0), 1.0);
+ draw_gclef((1.7 staff_space#,0), 1.0);
+fet_endchar;
+fet_beginchar("G clef", "G_change", "ctrebleclef")
+ draw_gclef((1.3 staff_space#,0), .8);
+fet_endchar;
+
+%%%%
+% PERCUSSION
+%
+%
+
+
+def draw_percussion_clef(expr reduction) =
+ save reduced_il;
+ reduced_il# = staff_space# * reduction;
+ define_pixels(reduced_il);
+ set_char_box(-.67reduced_il#,2.0reduced_il#,reduced_il#,reduced_il#);
+ razt := 0.45reduced_il;
+ draw_block((-b,-d),(-b+razt,h));
+ draw_block((w-razt,-d),(w,h));
+enddef;
+
+fet_beginchar("percussion clef", "percussion", "percussionclef")
+ draw_percussion_clef(1.0);
+fet_endchar;
+
+fet_beginchar("percussion clef (reduced)", "percussion_change", "cpercussionclef")
+ draw_percussion_clef(.8);
fet_endchar;
-fet_beginchar("G clef", "violin_change", "cviolinclef")
- draw_gclef((1.3 interline#,0), .8);
+
+def draw_tab_T(expr pos, siz, slant) =
+ begingroup;
+ clearxy;
+ pair vx,vy;
+ vx=(xpart siz) * dir 0;
+ vy=(ypart siz) * dir 90;
+
+ penpos1(.75penh, 100);
+ z1=z2+(1/6*vx-.15*vy);
+ penpos2(.9penw, 0);
+ z2l = pos+.75vy;
+ penpos3(penh,-100);
+ z3l = pos+.4vx+vy;
+ penpos4(penh,-90);
+ z4=-.1vy+.5[z3,z5];
+ penpos5(.8penh,-30);
+ x5r=xpart (pos+siz);
+ y5l=ypart (pos+siz);
+
+ penpos10(penw,170);
+ z10=pos+.55vx+.85vy;
+ penpos11(.75[penh,penw],170);
+ z11=z10-.5vy+.025vx;
+ penpos12(penh,100);
+ z12l=(xpart .5[z13,z11],ypart (pos-.025*siz));
+ penpos13(.75penh,60);
+ z13=pos +.2vx+.15vy;
+
+ % penlabels (1,2,3,4,5,10,11,12,13);
+
+ soft_penstroke (z1e..tension 1.1
+ ..z2e
+ ..z3e{right}..tension 1.5
+ ..z4e
+ ..z5e
+ ) slanted slant shifted (slant*-ypart pos,0);
+
+ soft_penstroke (z10e..tension 1.5
+ ..z11e
+ ..z12e..tension 1.1
+ ..z13e{(z13r-z13l) rotated 90}
+ ) slanted slant shifted (slant*-ypart pos,0);
+ endgroup;
+enddef;
+
+def draw_tab_A(expr pos, siz, slant) =
+ begingroup;
+ clearxy;
+ pair vx,vy;
+ vx=(xpart siz) * dir 0;
+ vy=(ypart siz) * dir 90;
+
+ penpos1(.75penh,-110);
+ z1r=pos+.07vy;
+ penpos2(penh,-75);
+ z2r=(.5[x1,x3],ypart pos);
+ penpos3(.25[penh,penw],-30);
+ z3=(.45[x2,x4],.15[y2,y4]);
+ penpos4(1[penh,penw],0);
+ z4=pos+.5vx+.975vy;
+
+ penpos5(1[penh,penw],-180);
+ z5=z4;
+ penpos6(.2[penh,penw],-150);
+ z6l=(.8[x5l,x7l],.9[y5l,y7l]);
+ penpos7(penh,-90);
+ z7r=(.5[x6,x8],ypart pos);
+ penpos8(.75penh,-70);
+ z8r=(xpart(pos+siz),y7r+.075ypart(siz));
+
+ penpos10(penh,-105);
+ z10=.2[z3,z4];
+ penpos11(.9penh,-90);
+ z11=.4[z10,z6]-0.05vy;
+ penpos12(.75penh,-75);
+ z12=.3[z11,z6]+0.02vy;
+
+ % penlabels(1,2,3,4,5,6,7,8,10,11,12);
+
+ soft_penstroke (z1e {(z1r-z1l) rotated 90}
+ ..z2e
+ ..z3e
+ ..z4e
+ ) slanted slant shifted (slant*-ypart pos,0);
+
+ soft_penstroke (z5e
+ ..z6e
+ ..z7e
+ ..z8e {(z8r-z8l) rotated 90}
+ ) slanted slant shifted (slant*-ypart pos,0);
+
+ soft_penstroke (z10e
+ ..z11e
+ ..z12e
+ ) slanted slant shifted (slant*-ypart pos,0);
+
+ endgroup;
+enddef;
+
+def draw_tab_B(expr pos, siz, slant) =
+ begingroup;
+ clearxy;
+ pair vx,vy;
+ vx=(xpart siz) * dir 0;
+ vy=(ypart siz) * dir 90;
+
+ penpos1(.75penh, 100);
+ z1=z2+(.15*vx-.1*vy);
+ penpos2(.9penw, 0);
+ z2l = pos+.75vy;
+ penpos3(penh,-100);
+ z3l = pos+.4vx+1.05vy;
+ penpos4(.8[penh,penw],-180);
+ z4=(xpart(pos+.75siz),.5[y3,y5]);
+ penpos5(.8penh,90);
+ z5=(.5[x10,x4],ypart (pos+.55siz));
+
+ penpos6(.8penh,270);
+ z6=z5;
+ penpos7(penw,180);
+ z7l=(xpart(pos+siz),.5[y6,y8]);
+ penpos8(.8penh,45);
+ z8=.5[z12l,z11l]+.15vx-.05vy;
+
+ penpos10(.75[penh,penw],170);
+ z10=pos+.375vx+.95vy;
+ penpos11(.8[penh,penw],150);
+ z11=z10-.5vy+.04vx;
+ penpos12(penh,100);
+ z12l=(xpart .5[z13,z11],ypart pos);
+ penpos13(.75penh,60);
+ z13=pos+.1vx+.15vy;
+
+ % penlabels (1,2,3,4,5,6,7,8,10,11,12,13);
+
+ soft_penstroke (z1e..tension 1.1
+ ..z2e
+ ..z3e
+ ..z4e
+ ..z5e{left}
+ ) slanted slant shifted (slant*-ypart pos,0);
+
+ soft_penstroke (z6e{right}
+ ..z7e
+ ..z8e{(z8r-z8l) rotated 90}
+ ) slanted slant shifted (slant*-ypart pos,0);
+
+ soft_penstroke (z10e.. tension 1.5
+ ..z11e
+ ..z12e..tension 1.1
+ ..z13e{(z13r-z13l) rotated 90}
+ ) slanted slant shifted (slant*-ypart pos,0);
+ endgroup;
+enddef;
+
+def draw_tab_clef(expr reduction) =
+ save reduced_il,vx,vy,letterheight,penw,penh;
+ reduced_il# = staff_space# * reduction;
+ letterheight# = 1.8*reduced_il#;
+ define_pixels(reduced_il,letterheight);
+ set_char_box(-.2*reduced_il#,2.8*reduced_il#,1.6*letterheight#,1.6*letterheight#);
+
+ %draw_staff (-3,2, 0.5);
+
+ penw = .45reduced_il;
+ penh = .2reduced_il;
+
+ draw_tab_T((-b+.15reduced_il,h-letterheight),
+ (2.1*reduced_il,letterheight),0.2);
+ draw_tab_A((-b-.05reduced_il,-.5letterheight +.15reduced_il),
+ (2.2*reduced_il,letterheight),0.4);
+ draw_tab_B((-b+.025reduced_il,-d),
+ (2.1*reduced_il,letterheight),0.25);
+enddef;
+
+fet_beginchar("tab clef", "tab", "tabclef")
+ draw_tab_clef(1.0);
+fet_endchar;
+
+fet_beginchar("tab clef (reduced)", "tab_change", "ctabclef")
+ draw_tab_clef(.8);
fet_endchar;
-fet_endgroup("klef");
+fet_endgroup("clefs");
projects / lilypond.git / blobdiff