+% feta-klef.mf -- implement Clefs -*-Fundamental-*-
+%
+% part of LilyPond's pretty-but-neat music font
+%
+% source file of the Feta (not the Font-En-Tja) music font
+%
+% (c) 1997--2001 Han-Wen Nienhuys <hanwen@cs.uu.nl>,
+% Jan Nieuwenhuizen <janneke@gnu.org>,
+% Juergen Reuter <reuterj@ira.uka.de>
-fet_begingroup("klef");
-def draw_bass_clef(expr reduction, center) =
- save thinness, left_shoot, reduced_il;
- save left_fat, right_fat, dot_size, dot_sep;
- save hip_factor;
+fet_begingroup("clefs");
- left_shoot = 0.3;
- left_fat = .3;
- right_fat = .5;
- dot_size = .4;
- dot_sep = 1.2;
- hip_factor = 0.95;
- thinness = stafflinethickness;
+%
+% [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, right_edge;
+ reduced_il#=staff_space#*reduction;
+ norm#:=2/3reduced_il#;
+ hair#:=1/6norm#;
+
+ 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=3/4norm+7/2hair;
+ penpos1(hair,-90);
+ z1l=(xoff+norm+hair,h);
+ penpos2(norm-3/2hair,180);
+ z2l=(right_edge,h/2);
+ penpos3(hair,90);
+ 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);
+
+ 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}
+ ..tension t..z1r{left}..z1l{right}..tension t..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-1/2hair);
+ draw_flare(z7r,180,-90,hair,norm-1/2hair);
+ enddef;
+
+fet_beginchar ("C clef", "C", "altoclef")
+ if test = 1:
+ draw_staff (-2,2, 0.0);
+ fi;
+ draw_c_clef (1.0);
+fet_endchar;
+
+fet_beginchar ("C clef", "C_change", "caltoclef")
+ if test = 1:
+ draw_staff (-2,2, 0.0);
+ fi;
+ draw_c_clef (.8);
+fet_endchar;
+
+%
+% Inspired by Baerenreiter and Breitkopf
+%
+% FIXME: dims
+% FIXME: right vertical tangent seems to be lower than the F-line
+% FIXME: bulb curve smoothly into "long curve" on the inside
+%
+%
+% [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_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 = reduction* (staff_space - stafflinethickness);
+ pickup pencircle scaled dot_diam;
+ draw z5;
+ draw z5 yscaled -1;
+enddef;
+
+
+
+fet_beginchar("F clef ", "F", "bassclef")
+ if test = 1:
+ draw_staff(-3,1, 0.0);
+ fi;
+ draw_bass_clef((.5 staff_space#, 0), 1.0);
+fet_endchar;
+fet_beginchar("F clef (reduced)", "F_change", "cbassclef")
+ draw_bass_clef((.4 staff_space#, 0),0.8);
+fet_endchar;
+
- reduced_il# = interline# * reduction;
+
+%
+% Inspired by Baerenreiter
+%
+% FIXME bulb should curve (see bass clef)
+% FIXME start (inside) should be little thinner
+% FIXME parametrise.
+%
+
+% Beste lezers, kijk,
+%
+% Een bolletje hebben we bij toeval allemaal wel eens getekend, maar begint u
+% toch eenvoudig. Eerst een eenvoudig kruis of herstellingsteken
+% en via de dubbelslag naar een voorzichtig vlaggetje, en heb geduld!
+% 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# = staff_space# * reduction;
define_pixels(reduced_il);
- set_char_box(left_fat * reduced_il#,
- (1 + hip_factor + right_fat/2)* reduced_il# +
- (dot_sep+ 1) * dot_size *reduced_il#
- , 2.5 reduced_il#, 1.0 reduced_il#)
-
- z2 - z1 = (1.1 reduced_il, reduced_il);
- z3 = (x2 + hip_factor* reduced_il, y1);
- z4 - z1 = (- left_shoot * reduced_il, -2.5 reduced_il);
-
- z1extreme = z1l - ( thinness/2, 0);
- penpos1(left_fat* reduced_il , 0);
- z1r = (center, 0);
- z5 = (x3l + dot_sep * dot_size * interline, .5 interline);
+ pair downstroke_dir, center;
+
+ center := (hround_pixels(xpart exact_center),
+ vround_pixels(ypart exact_center));
+
+ hair = .3 stafflinethickness;
+ thinness = 1.3 stafflinethickness;
+ downstroke_dir = (14, -75);
+ breapth_factor = 11/7;
+ inner_thick_end = 45;
+ inner_start_angle = downstroke_angle - 43;
+ thickness = .4 reduced_il - hair;
+
+ thinnib = thinness - hair;
+ thinpen = thinness;
+ 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);
+ x1 = xpart center -.28 reduced_il;
+
+ top z2r = center + (0,reduced_il + stafflinethickness/2);
+ x4 = xpart center - .1 reduced_il;
+ bot y4r = -(reduced_il + .5 stafflinethickness);
+
+ z3 = (z4 - center) rotated inner_thick_end + center;
+
+ z5r = (- breapth_factor, .37)* reduced_il + center;
+ penpos5(thickness, 135);
+
+ z6 = center + whatever * downstroke_dir;
+ y6 = ypart center + 2 reduced_il;
+
+ z7l - z6 = whatever *(z5- z6) ;
+ y7l = 3.5 reduced_il;
+ z8r = .4 [z9r, z7r] + 1.5 stafflinethickness * dir 52;
+
+ x9 = .7 [x10, x7r];
+ top y9l = 5 reduced_il;
+
+ y10 = 3. reduced_il;
+ y11 = -11/7 reduced_il;
+
+ y12 = ypart center - 18.5/7 reduced_il;
+ x12 = x11 - 5 /7 reduced_il;
+
+ z13 = z12 + .6 reduced_il*(-1,1);
+
+ (z10r - z10l) dotprod (unitvector downstroke_dir rotated 90) =
+ thinnib;
+
+ 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);
+
+ 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{dir (downstroke_angle+ 40)} % ugh
+ %.. z8r
+ .. z7r{down} .. z5r{down} .. z4r{right}
+ .. z3r .. z2r{left} ..
+ tension .95 ..
+ z1r -- z1l
+ .. tension 0.85 ..cycle;
+
+ filldraw simple_serif(z1r, z1l, 90) -- cycle;
+
+ filldraw z12r{left} .. z13r{up} -- z13l{down} .. z12l{right} .. cycle;
+
+ draw_bulb(-1, z13l, lft z13r, 6/14 reduced_il, 1.0);
+
+ pickup pencircle scaled (thinpen);
+ draw z10 --- z14 .. z11 .. tension 0.85 .. z12{left};
+
+ penlabels(range 1 thru 15);
+enddef;
+
+
+fet_beginchar("G clef", "G", "trebleclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ 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;
+
+%%%%%%%%
+%
+%
+%
+% Editio Vaticana
+%
+%
+%
+def draw_vaticana_do_clef(expr exact_center, reduction) =
+ save reduced_il;
+
+ reduced_il# = staff_space# * reduction;
+
+ set_char_box(0.4reduced_il#, 0.4reduced_il#, 0, reduced_il#);
+
+ define_pixels(reduced_il);
+
+ pickup pencircle xscaled stafflinethickness yscaled 0.6reduced_il;
+
+ save za, zb, zc, zd, ze, zf;
+ pair za, zb, zc, zd, ze, zf;
+
+ za = exact_center + (-0.0reduced_il, -.45reduced_il);
+ zb = exact_center + (-0.2reduced_il, -.50reduced_il);
+ zc = exact_center + (-0.4reduced_il, -.25reduced_il);
+ zd = exact_center + (-0.4reduced_il, +.25reduced_il);
+ ze = exact_center + (-0.2reduced_il, +.50reduced_il);
+ zf = exact_center + (-0.0reduced_il, +.45reduced_il);
+ draw za .. zb .. zc -- % lower punctum
+ zd .. ze .. zf; % upper punctum
+enddef;
+
+
+fet_beginchar("Ed. Vat. do clef", "vaticana_do", "vatdoclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_vaticana_do_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("Ed. Vat. do clef", "vaticana_do_change", "vatcdoclef")
+ draw_vaticana_do_clef((0,0), 1.0); % no reduction
+fet_endchar;
+
+
+def draw_vaticana_fa_clef(expr exact_center, reduction) =
+
+ save reduced_il, z;
+ reduced_il# = staff_space# * reduction;
+ define_pixels(reduced_il);
+
+ save za, zb, zc, zd, ze;
+ pair za, zb, zc, zd, ze;
+
+ %stem
+ pickup pencircle scaled stafflinethickness;
+ xpart za = xpart zb =
+ xpart exact_center + 0.4reduced_il;
+ ypart za = ypart exact_center = ypart zb + 1.5reduced_il;
+ draw za .. zb;
+
+ %left-handed punctum
+ pickup pencircle xscaled stafflinethickness yscaled 0.5reduced_il;
+ zc = exact_center +
+ (+0.4reduced_il, -0.05reduced_il);
+ zd = exact_center +
+ (+0.2reduced_il, +0.05reduced_il);
+ ze = exact_center +
+ (+0.0reduced_il, +0.00reduced_il);
+ draw zc .. zd .. ze;
+
+ %right-handed puncta as in do clef
+ draw_vaticana_do_clef(
+ exact_center +
+ (+0.8reduced_il + 1.25stafflinethickness, 0),
+ reduction);
+
+ set_char_box(0.5reduced_il#, 1.5reduced_il#, 0, reduced_il#);
+enddef;
+
+
+fet_beginchar("Ed. Vat. fa clef", "vaticana_fa", "vatfaclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_vaticana_fa_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("Ed. Vat. fa clef", "vaticana_fa_change", "vatcfaclef")
+ draw_vaticana_fa_clef((0,0), 1.0); % no reduction
+fet_endchar;
+
+%%%%%%%%
+%
+%
+%
+% Editio Medicaea
+%
+%
+%
+def draw_medicaea_do_clef(expr exact_center, reduction) =
+ save reduced_il, reduced_slt;
+ reduced_il# = staff_space# * reduction;
+ reduced_slt# = stafflinethickness# * reduction;
+ define_pixels(reduced_il);
+ define_pixels(reduced_slt);
+
+ save flag_height;
+ flag_height# = 0.5 reduced_il#;
+ define_pixels(flag_height);
+
+ %lower flag
+ save za, zb;
+ pair za, zb;
+ pickup pencircle xscaled reduced_slt yscaled flag_height;
+ xpart exact_center
+ = xpart za + 0.5 reduced_il
+ = xpart zb - 0.5 reduced_il;
+ ypart za = ypart exact_center - 0.5 flag_height
+ - 0.5 (staff_space - reduced_il);
+ ypart zb = ypart za - reduced_il + flag_height;
+ draw za .. zb;
+
+ %upper flag
+ save za, zb;
+ pair za, zb;
+ pickup pencircle xscaled reduced_slt yscaled flag_height;
+ xpart exact_center
+ = xpart za + 0.5 reduced_il
+ = xpart zb - 0.5 reduced_il;
+ ypart za = ypart exact_center - 0.5 flag_height
+ - 0.5 (staff_space - reduced_il)
+ + staff_space;
+ ypart zb = ypart za - reduced_il + flag_height;
+ draw za .. zb;
+
+ %stem
+ save za, zb;
+ pair za, zb;
+ pickup pencircle scaled reduced_slt;
+ xpart za = xpart zb = xpart exact_center - 0.5 reduced_il;
+ ypart exact_center
+ = ypart za + 1.5 reduced_il
+ = ypart zb - 1.5 reduced_il;
+ draw za .. zb;
+
+ set_char_box(0.5reduced_il#, 1.5reduced_il#,
+ 1.5reduced_il#, 1.5reduced_il#);
+enddef;
+
+
+fet_beginchar("Ed. Med. do clef", "medicaea_do", "meddoclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_medicaea_do_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("Ed. Med. do clef", "medicaea_do_change", "cmeddoclef")
+ draw_medicaea_do_clef((0,0), .8);
+fet_endchar;
+
+
+def draw_medicaea_fa_clef(expr exact_center, reduction) =
+ % inspired by Regensburger Edition of Medicaea (1885/86), in:
+ % MGG, volume 2, col. 1327 ("Choralreform"), fig. 2.
+
+ save reduced_il, reduced_slt;
+ reduced_il# = staff_space# * reduction;
+ reduced_slt# = stafflinethickness# * reduction;
+ define_pixels(reduced_il);
+ define_pixels(reduced_slt);
+
+ save za, zb, zc, zd, ze;
+ pair za, zb, zc, zd, ze;
+
+ %stem
+ pickup pencircle scaled stafflinethickness;
+ xpart za = xpart zb =
+ xpart exact_center + 0.4reduced_il;
+ ypart za = ypart exact_center = ypart zb + 1.5reduced_il;
+ draw za -- zb;
+
+ %left-handed punctum
+ pickup pencircle xscaled reduced_slt yscaled reduced_il;
+ zc = exact_center +
+ (+0.4reduced_il, 0);
+ zd = exact_center +
+ (+0.0reduced_il, 0);
+ draw zc -- zd;
+
+ %right-handed puncta as in do clef
+ draw_medicaea_do_clef(
+ exact_center +
+ (+1.1reduced_il + 1.25stafflinethickness, 0),
+ reduction);
+
+ set_char_box(reduced_il#/2, 2.6reduced_il#, 0, reduced_il#);
+enddef;
+
+
+fet_beginchar("Ed. Med. fa clef", "medicaea_fa", "medfaclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_medicaea_fa_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("Ed. Med. fa clef", "medicaea_fa_change", "cmedfaclef")
+ draw_medicaea_fa_clef((0,0), .8);
+fet_endchar;
+
+
+%%%%%%%%
+%
+%
+%
+% Mensural Notation
+%
+%
+%
+brevis_wid# := 2 staff_space#;
+
+def draw_brevis(expr exact_center, reduction, small_width, small_height) =
%
- % [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
- % hence 170 (and not 180). (.2 is a big amount, but because of
- % the near vertical shape, it is not very clear.
+ % inspired by function draw_brevis of
+ % feta-bolletjes.mf
%
- penpos3(right_fat * reduced_il, 180);
+ save reduced_slt, reduced_nht;
+ save stem_width, head_width;
+ save serif_size, serif_protrude;
+ save holeheight, beamheight;
- penlabels(1,3);
- labels(2,4);
+ reduced_slt# = stafflinethickness# * reduction;
+ reduced_nht# = noteheight# * reduction;
+ stem_width# = 1.4 reduced_slt#;
+ if small_width:
+ head_width# = 0.5brevis_wid# * reduction;
+ else:
+ head_width# = brevis_wid# * reduction;
+ fi;
+ if small_height:
+ serif_size# = 0.64 reduced_slt#;
+ serif_protrude# = 0.96 serif_size#;
+ holeheight# = 3 reduced_slt#;
+ beamheight# = 0.32(reduced_nht# - holeheight#);
+ else:
+ serif_size# = 1.0 reduced_slt#;
+ serif_protrude# = 1.5 serif_size#;
+ holeheight# = 3 reduced_slt#;
+ beamheight# = 0.5(reduced_nht# - holeheight#);
+ fi;
+ define_pixels(reduced_slt);
+ define_pixels(stem_width);
+ define_pixels(head_width);
+ define_pixels(serif_size);
+ define_pixels(serif_protrude);
+ define_pixels(beamheight);
+ penpos1(stem_width, 0);
+ penpos2(stem_width, 0);
+ penpos3(beamheight, 90);
+ penpos4(beamheight, 90);
+ penpos5(stem_width, 180);
- pickup pencircle scaled thinness;
- filldraw z1r{up} .. z2{right} .. z3r{down} .. {curl 0} z4 {curl 0}
- .. z3l{up} .. z2{left} .. z1l{down} -- cycle;
+ z1l = exact_center;
+ z2l = z1l + (0, -reduced_slt/2);
+ z3r = z2r + serif_size*(1,-1);
+ y4r = y3r;
+ x4l = x1l + head_width/2;
+ z5l = z3l + (-serif_size, -serif_protrude);
- draw_bulb(1, z1r, z1extreme, 1.2 , 1.2);
+ penlabels(1,2,3,4,5);
+ fill z1r -- z1l -- z5r{down} .. z5l{up} .. z3l{right}
+ -- z4l -- z4r -- z3r{left} .. z2r{up} -- cycle;
+enddef;
- pickup pencircle scaled (dot_size * interline);
- draw z5;
- draw z5 yscaled -1;
+def draw_neo_mensural_c_clef(expr exact_center, reduction) =
+ draw_brevis(exact_center, reduction, false, false);
+
+ save reduced_il, reduced_slt;
+ save stem_width;
+
+ reduced_il# = staff_space# * reduction;
+ reduced_slt# = stafflinethickness# * reduction;
+ stem_width# = 1.4 reduced_slt#;
+
+ define_pixels(reduced_il);
+ define_pixels(reduced_slt);
+ define_pixels(stem_width);
+
+ penpos6(stem_width, 0);
+ penpos7(stem_width, 0);
+ z6l = exact_center;
+ z7l = z6l + (0, -2reduced_il);
+ fill z6l -- z7l -- z7r -- z6r -- cycle;
+ penpos8(stem_width, 0);
+ penpos9(stem_width, 0);
+ z8l = z6l + (-3reduced_slt, 0);
+ z9l = z8l + (0, -2reduced_il);
+ fill z8l -- z9l -- z9r -- z8r -- cycle;
+
+ addto currentpicture also currentpicture
+ yscaled -1 shifted (0, 2*(ypart exact_center));
+ addto currentpicture also currentpicture
+ xscaled -1 shifted (2x4l,0);
+
+ set_char_box(0, 2head_width#,
+ 6reduced_slt#*reduction, 6reduced_slt#*reduction);
+enddef;
+
+
+fet_beginchar("neo-mensural c clef", "neo_mensural_c", "neomenscclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_neo_mensural_c_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("neo-mensural c clef", "neo_mensural_c_change", "cneomenscclef")
+ draw_neo_mensural_c_clef((1.3 staff_space#,0), .8);
+fet_endchar;
+
+
+def draw_petrucci_c_clef(expr exact_center, reduction) =
+ % inspired by Josquin Desprez, "Stabat Mater", Libro tertio,
+ % 1519, printed by Petrucci, in: MGG, volume 7, Table 11.
+ draw_brevis(exact_center, reduction, true, true);
+
+ save reduced_il, reduced_slt;
+ save stem_width, interline;
+
+ reduced_il# = staff_space# * reduction;
+ reduced_slt# = stafflinethickness# * reduction;
+ stem_width# = 1.4 reduced_slt#;
+ interline# = staff_space#;
+
+ define_pixels(reduced_il);
+ define_pixels(reduced_slt);
+ define_pixels(stem_width);
+ define_pixels(interline);
+
+ addto currentpicture also currentpicture
+ yscaled -1 shifted (0, 2*(ypart exact_center) - interline);
+
+ penpos6(stem_width, 0);
+ penpos7(stem_width, 0);
+ z6l = exact_center + (0, 0);
+ z7l = z6l + (0, -2.2reduced_il);
+ fill z6l -- z7l -- z7r -- z6r -- cycle;
+
+ addto currentpicture also currentpicture
+ xscaled -1 shifted (2x4l,0);
+
+ penpos8(stem_width, 0);
+ penpos9(stem_width, 0);
+ z8l = exact_center + (0, 0);
+ z9l = z8l + (0, -3.2reduced_il);
+ fill z8l -- z9l -- z9r -- z8r -- cycle;
+
+ addto currentpicture also currentpicture
+ yscaled -1 shifted (0, 4*(ypart exact_center));
+
+ set_char_box(0, 2head_width#,
+ noteheight#*4*reduction, noteheight#*4*reduction);
+enddef;
+
+
+fet_beginchar("petrucci c clef", "petrucci_c", "petruccicclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_petrucci_c_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("petrucci c clef", "petrucci_c_change", "cpetruccicclef")
+ draw_petrucci_c_clef((1.3 staff_space#,0), .8);
+fet_endchar;
+
+
+def draw_mensural_c_clef(expr exact_center, reduction) =
+ % inspired by Ockeghem, "Missa Prolationum", in: MGG, volume
+ % 9, table 94.
+ draw_petrucci_c_clef(exact_center, reduction);
+
+ addto currentpicture also currentpicture
+ shifted (0, -interline);
+
+ set_char_box(0, 2head_width#,
+ noteheight#*6*reduction, noteheight#*6*reduction);
+enddef;
+
+
+fet_beginchar("mensural c clef", "mensural_c", "menscclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_mensural_c_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("mensural c clef", "mensural_c_change", "cmenscclef")
+ draw_mensural_c_clef((0,0), .8);
+fet_endchar;
+
+def draw_diamond(expr exact_center, reduction) =
+ save stem_width, reduced_il, reduced_nht, holeheight, beamheight;
+ save rh_height, rh_width;
+
+ stem_width# = 1.4 reduced_slt#;
+ reduced_il# = staff_space# * reduction;
+ reduced_nht# = noteheight# * reduction;
+ holeheight# = 3 reduced_slt#;
+ beamheight# = 0.4(reduced_nht# - holeheight#);
+
+ rh_height# = 1.2reduced_il#;
+ rh_width# / rh_height# = 0.58; % tan(30)
+
+ define_pixels(beamheight);
+ define_pixels(stem_width);
+ define_pixels(rh_height);
+ define_pixels(rh_width);
+
+ pickup pencircle
+ xscaled beamheight
+ yscaled stem_width
+ rotated 45;
+
+ draw
+ exact_center + (-rh_width/2, 0) --
+ exact_center + (0, rh_height/2) --
+ exact_center + (+rh_width/2, 0) --
+ exact_center + (0, -rh_height/2) --
+ cycle;
enddef;
+def draw_petrucci_f_clef(expr exact_center, reduction) =
+ % inspired by L'homme arme super voces musicales in Misse
+ % Josquin, 1502, Petrucci, in: MGG, volume 7, col. 200; also
+ % inspired by Gaspar van Weerbeke, "Virgo Maria" (1502), in:
+ % MGG, volume 9, col. 653 ("Motette"), fig. 3.; also by Andr'e
+ % Campra, "Entr'ee des s'er'enades" (1710), in: MGG, volume 2,
+ % col. 1649 ("Contredanse"), fig. 2.
+ %
+ draw_brevis(exact_center, reduction, true, false);
+
+ save reduced_il, reduced_slt;
+ save stem_width, interline;
+
+ reduced_il# = staff_space# * reduction;
+ reduced_slt# = stafflinethickness# * reduction;
+ stem_width# = 1.4 reduced_slt#;
+ interline# = staff_space#;
+
+ define_pixels(reduced_il);
+ define_pixels(reduced_slt);
+ define_pixels(stem_width);
+ define_pixels(interline);
+
+ addto currentpicture also currentpicture
+ yscaled -1 shifted (0, 2*(ypart exact_center));
+ addto currentpicture also currentpicture
+ xscaled -1 shifted (2x4l,0);
+
+ penpos6(stem_width, 0);
+ penpos7(stem_width, 0);
+ z6r = exact_center + (2x4l, 0);
+ z7r = z6r + (0, -4reduced_il);
+ fill z6l -- z7l -- z7r -- z6r -- cycle;
+
+ draw_diamond(exact_center +
+ (1.6interline*reduction, interline/2), reduction);
+
+ % upper stem
+ penpos8(stem_width, 0);
+ penpos9(stem_width, 0);
+ z8l = exact_center + (1.6interline*reduction, interline*reduction);
+ z9l = z8l + (0, 1.5interline*reduction);
+ fill z8l -- z9l -- z9r -- z8r -- cycle;
+
+ draw_diamond(exact_center +
+ (1.6interline*reduction, -interline/2), reduction);
+ penpos10(stem_width, 0);
+ penpos11(stem_width, 0);
+ z10r = exact_center + (1.6interline*reduction, -interline*reduction);
+ z11r = z10r + (0, -3.5interline*reduction);
+ fill z10l -- z11l -- z11r -- z10r -- cycle;
+
+ set_char_box(0, 3head_width#,
+ 3.5noteheight#*reduction, 1.5noteheight#*reduction);
+enddef;
+
+
+fet_beginchar("petrucci f clef", "petrucci_f", "petruccifclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_petrucci_f_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("petrucci f clef", "petrucci_f_change", "cpetruccifclef")
+ draw_petrucci_f_clef((0,0), .8);
+fet_endchar;
+
+
+def draw_mensural_f_clef(expr exact_center, reduction) =
+ %
+ % inspired by Philippe le Duc, "Dite Signori" (1590), in: MGG,
+ % volume 3, col. 848 ("Duc"); also by John Dowland, "The First
+ % Booke of Songes" (1597), in: MGG, volume 3, col. 721
+ % ("Dowland"), fig. 3.
+
+ save reduced_slt, stem_width, reduced_nht, holeheight, beamheight;
+
+ reduced_slt# = stafflinethickness# * reduction;
+ stem_width# = 1.4 reduced_slt#;
+ reduced_nht# = noteheight# * reduction;
+ holeheight# = 3 reduced_slt#;
+ beamheight# = 0.4(reduced_nht# - holeheight#);
+
+ define_pixels(beamheight, stem_width, staff_space);
+
+ pickup pencircle
+ xscaled beamheight
+ yscaled stem_width
+ rotated 45;
+
+ draw
+ exact_center + (1.0 staff_space, 0.6 staff_space) --
+ exact_center + (1.25 staff_space, 0.4 staff_space);
+
+ draw
+ exact_center + (1.0 staff_space, -0.4 staff_space) --
+ exact_center + (1.25 staff_space, -0.6 staff_space);
+
+ draw halfcircle scaled 1.2 staff_space rotated -90
+ shifted (-exact_center + (+0.1 staff_space, 0));
+
+ set_char_box(0, 3staff_space#, 3staff_space#, 0);
+enddef;
+
+fet_beginchar("mensural f clef", "mensural_f", "mensfclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_mensural_f_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("mensural f clef", "mensural_f_change", "cmensfclef")
+ draw_mensural_f_clef((0,0), .8);
+fet_endchar;
+
+
+def draw_mensural_g_clef(expr exact_center, reduction) =
+ %
+ % inspired by Francisco Guerrero, "Lib. 1. Missarum" (1566),
+ % in: MGG, volume 3, col. 858 ("Ducis"); also by Stefano
+ % Fabri, "Quam speciosa veteranis" (1611), in: MGG, volume 3,
+ % col. 1698 ("Fabri"); also by Philippus Dulichius,
+ % "Fasciculus novus ..." (1598), in: MGG, volume 3, col. 919
+ % ("Dulichius"), fig. 1; also by Noe Faignient, "Ic sal de
+ % Heer myn God gebenedye" (1568), in: MGG, volume 3, col. 1735
+ % ("Faignient").
+ %
+ % Metafont code partially inspired by Schwabacher 'G' of yswab
+ % font.
+
+ save reduced_il, stem_width, height, width, apex_o, hair;
+
+ reduced_il#=staff_space#*reduction;
+
+ set_char_box(0.5reduced_il#, 1.5reduced_il#,
+ 1.5reduced_il#, 1.5reduced_il#);
+
+ stem_width# = 0.17 reduced_il#;
+ height# = 1.5 reduced_il#;
+ width# = 1.13 reduced_il#;
+ apex_o# = 0.02 reduced_il#;
+ hair# = 3 stafflinethickness#;
+ define_pixels(reduced_il, stem_width, height, width, apex_o, hair);
+
+ penpos1(2 stem_width, -142);
+ z1l = (0.715 width, 0.742 height);
+ penpos1'(hair, -90);
+ z1'l = z1r;
+ penpos2(1.179 stem_width, -142);
+ z2l = (width, 0.466 height);
+ penpos3(hair, 77);
+ z3 = (0.764 width, 0.067 height);
+ z4 = (0.59 width, -apex_o);
+ penpos5(1.179 stem_width, 32);
+ z5l=(0, 0.457 height);
+ penpos6(hair, -56.5);
+ z7 = (x4 - 0.843 stem_width, height + apex_o);
+ z7 - z6l = whatever * dir33.5;
+ penpos8(1.286 stem_width, -130);
+ z8r = (0.715 width, 0.742 height) + (-apex_o, apex_o);
+ z6r - z8r = whatever * (z7 - z8l);
+ filldraw
+ z1'r{dir45} .. z2r{down} .. z3r{dir207} .. z5r{up} ..
+ z6r{z7-z6l} & z6r -- z8r -- z8l -- z7 --- z6l ...
+ z5l{down} .. z4{right} .. z3l{dir27} .. z2l{up} ..
+ z1l{1/3[z6l,z7]-z1l} & z1l -- z1r -- z1'r & cycle
+ shifted (-exact_center + (0, -0.75reduced_il));
+
+ penpos9(stem_width, 0);
+ x9r = x4; y9 = 0.3 height;
+
+ pickup pencircle
+ scaled stem_width
+ rotated 45;
+ draw z9 -- (z9 + (0, -0.4reduced_il))
+ shifted (-exact_center + (0, -0.75reduced_il));
+
+ pickup pencircle
+ xscaled stem_width
+ yscaled hair
+ rotated 30;
+
+ draw halfcircle
+ scaled 0.5 reduced_il
+ rotated -90
+ shifted z8
+ shifted (0, 0.25reduced_il)
+ shifted (-exact_center + (0, -0.75reduced_il));
+
+ draw halfcircle
+ scaled 0.4 reduced_il
+ rotated 90
+ shifted (z8 + (0, 0.45 reduced_il))
+ shifted (0, 0.25reduced_il)
+ shifted (-exact_center + (0, -0.75reduced_il));
+enddef;
+
+
+fet_beginchar("mensural g clef", "mensural_g", "mensgclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_mensural_g_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("mensural g clef", "mensural_g_change", "cmensgclef")
+ draw_mensural_g_clef((0,0), .8);
+fet_endchar;
+
+
+
+def draw_petrucci_g_clef(expr exact_center, reduction) =
+ % inspired by Josquin Desprez, "Stabat Mater", Libro tertio,
+ % 1519, printed by Petrucci, in: MGG, volume 7, Table 11.
+
+ set_char_box(0.6 staff_space#, 0.8 staff_space#, 0.6 staff_space#,
+ 4.0 staff_space#);
+
+ save reduced_il, reduced_slt;
+
+ reduced_il# = staff_space# * reduction;
+ reduced_slt# = stafflinethickness# * reduction;
+ define_pixels(reduced_il, reduced_slt);
+
+ save za, zb, zc, zd, ze, zf, zg, zh, zi, zj;
+ pair za, zb, zc, zd, ze, zf, zg, zh, zi, zj;
+
+ pickup pencircle
+ xscaled 0.50 reduced_slt
+ yscaled 0.22 reduced_il
+ rotated -35;
+
+ za = exact_center + (+0.00 reduced_il, +0.00 reduced_il);
+ zb = exact_center + (+0.20 reduced_il, +1.20 reduced_il);
+ zc = exact_center + (-0.10 reduced_il, +2.00 reduced_il);
+ zd = exact_center + (-0.50 reduced_il, +3.00 reduced_il);
+ ze = exact_center + (+0.00 reduced_il, +3.70 reduced_il);
+ zf = exact_center + (+0.20 reduced_il, +3.00 reduced_il);
+ zg = exact_center + (-0.20 reduced_il, +2.00 reduced_il);
+ zh = exact_center + (-0.50 reduced_il, +1.70 reduced_il);
+ zi = exact_center + (-0.80 reduced_il, +0.75 reduced_il);
+ zj = exact_center + (-0.60 reduced_il, +0.60 reduced_il);
+
+ draw za{-1,2} .. zb .. zc .. zd .. ze .. zf .. zg .. zh .. zi .. zj;
+
+ save za, zb, zc, zd, ze, zf;
+ pair za, zb, zc, zd, ze, zf;
+
+ pickup pencircle
+ xscaled 0.75 reduced_slt
+ yscaled 0.33 reduced_il
+ rotated -35;
+
+ za = exact_center + (+0.25 reduced_il, +0.45 reduced_il);
+ zb = exact_center + (-0.25 reduced_il, +0.45 reduced_il);
+ zc = exact_center + (-0.25 reduced_il, -0.45 reduced_il);
+ zd = exact_center + (+0.25 reduced_il, -0.45 reduced_il);
+ ze = exact_center + (+0.30 reduced_il, +0.00 reduced_il);
+ zf = exact_center + (+0.00 reduced_il, +0.00 reduced_il);
+
+ draw za .. zb .. zc .. zd .. {up}ze -- zf;
+enddef;
+
+
+fet_beginchar("petrucci g clef", "petrucci_g", "petruccigclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_petrucci_g_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("petrucci g clef", "petrucci_g_change", "cpetruccigclef")
+ draw_petrucci_g_clef((0,0), .8);
+fet_endchar;
+
+
+
+%%%%%%%%
+%
+%
+%
+% Hufnagel
+%
+%
+%
+def draw_hufnagel_do_clef(expr exact_center, reduction) =
+ %
+ % inspired by Graduale of Friedrich Zollner (1442), in: MGG,
+ % volume 9, col. 1413 ("Neustift"), fig. 1.
+ %
+ save reduced_il;
+
+ reduced_il# = staff_space# * reduction;
+
+ define_pixels(reduced_il);
+
+ pickup pencircle
+ xscaled (0.60reduced_il)
+ yscaled (0.10reduced_il)
+ rotated 40;
+ save za, zb, zc, zd, ze, zf;
+ pair za, zb, zc, zd, ze, zf;
+
+ za = exact_center + (+0.30reduced_il, +.45reduced_il);
+ zb = exact_center + (+0.20reduced_il, +.45reduced_il);
+ zc = exact_center + (-0.10reduced_il, +.60reduced_il);
+ zd = exact_center + (-0.40reduced_il, +.45reduced_il);
+ ze = exact_center + (-0.40reduced_il, -.45reduced_il);
+ zf = exact_center + (-0.20reduced_il, -.55reduced_il);
+ draw za .. zb .. zc -- zd -- ze -- zf;
+
+ set_char_box(0.5reduced_il#, 0.5reduced_il#, 0, reduced_il#);
+enddef;
+
+
+fet_beginchar("Hufnagel do clef", "hufnagel_do", "hufnageldoclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_hufnagel_do_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("Hufnagel do clef", "hufnagel_do_change", "chufnageldoclef")
+ draw_hufnagel_do_clef((1.3 staff_space#,0), .8);
+fet_endchar;
+
+
+def draw_hufnagel_fa_clef(expr exact_center, reduction) =
+ %
+ % inspired by Bamberger Manuscript (15th century), in:
+ % MGG, volume 2, table 59.
+ %
+ save reduced_il;
+
+ reduced_il# = staff_space# * reduction;
+
+ define_pixels(reduced_il);
+
+ pickup pencircle
+ xscaled (0.60reduced_il)
+ yscaled (0.10reduced_il)
+ rotated 40;
+ save za, zb, zc, zd, ze, zf;
+ pair za, zb, zc, zd, ze, zf;
+
+ za = exact_center + (+0.30reduced_il, +0.70reduced_il);
+ zb = exact_center + (+0.20reduced_il, +0.70reduced_il);
+ zc = exact_center + (-0.10reduced_il, +0.85reduced_il);
+ zd = exact_center + (-0.40reduced_il, +0.70reduced_il);
+ ze = exact_center + (-0.40reduced_il, -1.10reduced_il);
+ draw za .. zb .. zc -- zd -- ze;
+
+ save zg, zh, zi, zj;
+ pair zg, zh, zi, zj;
+
+ zg = exact_center + (+0.30reduced_il, -0.05reduced_il);
+ zh = exact_center + (+0.20reduced_il, -0.05reduced_il);
+ zi = exact_center + (-0.10reduced_il, +0.10reduced_il);
+ zj = exact_center + (-0.40reduced_il, -0.05reduced_il);
+ draw zg .. zh .. zi -- zj;
+
+ set_char_box(0.5reduced_il#, 0.5reduced_il#, 0, reduced_il#);
+enddef;
+
+
+fet_beginchar("Hufnagel fa clef", "hufnagel_fa", "hufnagelfaclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_hufnagel_fa_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("Hufnagel fa clef", "hufnagel_fa_change", "chufnagelfaclef")
+ draw_hufnagel_fa_clef((0,0), .8);
+fet_endchar;
+
+
+def draw_hufnagel_do_fa_clef(expr exact_center, reduction) =
+ draw_hufnagel_do_clef(exact_center, reduction);
+ draw_hufnagel_fa_clef(exact_center + (0, -2staff_space), reduction);
+enddef;
+
+
+fet_beginchar("Hufnagel do/fa clef", "hufnagel_do_fa", "hufnageldofaclef")
+ if test = 1:
+ draw_staff(-1,3, 0.0);
+ fi;
+ draw_hufnagel_do_fa_clef((0,0), 1.0);
+fet_endchar;
+fet_beginchar("Hufnagel do/fa clef", "hufnagel_do_fa_change",
+ "chufnageldofaclef")
+ draw_hufnagel_do_fa_clef((0,0), .8);
+fet_endchar;
+
+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;
+ pickup penrazor scaled razt;
+ draw (-b+razt/2,h) -- (-b+razt/2,-d);
+ draw (w-razt/2,h) -- (w-razt/2,-d);
+enddef;
+
+fet_beginchar("percussion clef", "percussion", "percussionclef")
+ draw_percussion_clef(1.0);
+fet_endchar;
+
+fet_beginchar("percussion clef", "percussion_change", "cpercussionclef")
+ draw_percussion_clef(.8);
+fet_endchar;
+
+def draw_tab_clef(expr reduction) =
+ save reduced_il;
+ reduced_il# = staff_space# * reduction;
+ define_pixels(reduced_il);
+ set_char_box(-.5reduced_il#,1.8reduced_il#,2.25reduced_il#,2.25reduced_il#);
+ bs := -d+0.65reduced_il;
+ cx := 0.5(-b+w);
+ xp := 0.32 reduced_il;
+ yp := 0.25reduced_il;
+ pickup pensquare xscaled xp yscaled yp;
+
+ draw (-b,h) -- (w,h);
+ draw (cx,h) -- (cx,h-1.2reduced_il);
+
+ pickup penrazor scaled yp rotated 90;
+ draw (-0.85b+0.15w,-0.25reduced_il) -- (-0.15b+0.85w,-0.25reduced_il);
+ pickup penrazor scaled xp;
+ draw (-b,-0.6reduced_il-yp/2) -- (cx,0.6reduced_il+yp/2) -- (w,-0.6reduced_il-yp/2);
+
+
+ pickup pensquare xscaled xp yscaled yp;
+ draw (-b,-d+1.2reduced_il) -- (-b,-d);
+ pickup pencircle xscaled xp yscaled yp;
+ draw (-b,-d) --- (cx,-d) .. (w,0.5(bs-d)) .. (cx,bs) --- (-b,bs) --- (cx,bs)
+ .. (0.3cx+0.7w,0.5(bs-d+1.2reduced_il)) .. (cx,-d+1.2reduced_il) --- (-b,-d+1.2reduced_il)
+enddef;
-fet_beginchar("F clef", "bass", "ughbassclef")
- draw_bass_clef(1.0, .5 interline); % .5 -> silly hack to accomodate
- % motex
+fet_beginchar("tab clef", "tab", "tabclef")
+ draw_tab_clef(1.0);
fet_endchar;
-fet_beginchar("reduced F clef", "bass_change", "ughcbassclef")
- draw_bass_clef(.8, .5 interline);
+fet_beginchar("tab clef", "tab_change", "ctabclef")
+ draw_tab_clef(.8);
fet_endchar;
-fet_endgroup("klef");
+fet_endgroup("clefs");
projects / lilypond.git / blobdiff