-% bolletjes.mf
-% part of LilyPond's pretty-but-neat music font
+% -*-Fundamental-*-
+% feta-bolletjes.mf -- implement noteheads
+%
+% source file of LilyPond's pretty-but-neat music font
+%
+% (c) 1997, 1998 Jan Nieuwenhuizen <janneke@gnu.org>
+% & Han-Wen Nienhuys <hanwen@stack.nl>
+%
+
% most beautiful noteheads are pronounced, not circular,
% and not even symmetric.
% These examples are inspired by [Wanske], see literature list
-fet_begingroup("balls");
+save black_notehead_width;
+numeric black_notehead_width;
-noteheight#:=interline#+ (1 + overdone_heads) *stafflinethickness#;
+fet_begingroup("noteheads");
+noteheight#:=interline#+ (1 + overdone_heads) *stafflinethickness#;
define_pixels(noteheight);
+brevis_wid# := 2 interline#;
-
-
-def draw_brevis =
+def draw_brevis(expr brevwid) =
save beamheight, head_width;
save holeheight, stem_width;
save serif_size, serif_protrude;
- head_width# = 2 interline#;
+ head_width# = brevwid;
holeheight = 3 stafflinethickness;
stem_width = 1.4 stafflinethickness;
-- z4l -- z4r -- z3r{left} .. z2r{up} -- cycle;
addto currentpicture also currentpicture yscaled -1;
- addto currentpicture also currentpicture reflectedabout(z4r, z4l);
+ show z4r; show z4l;
+ addto currentpicture also currentpicture
+ shifted (-x4r,0) xscaled -1 shifted (x4l,0);
+
enddef;
-fet_beginchar("Brevis notehead", "-1", "brevisball")
- draw_brevis;
+
+fet_beginchar("Ledger ending", "ledgerending", "ledgerending")
+set_char_box (5/2 ledgerlinethickness#, 5/2 ledgerlinethickness#,
+ ledgerlinethickness#/2,ledgerlinethickness#/2);
+ pickup pencircle scaled 1.3 blot_diameter;
+
+ rt x2 = w;
+ lft x1 = -b;
+ x3 = x2;
+ bot y1 = -d;
+ y2 = y1;
+
+ top y3 = h;
+ y4 = y3;
+ x4 = x1;
+
+ filldraw z1 --- z2 --- z3 --- z4 --- cycle ;
fet_endchar;
+fet_beginchar("Brevis notehead", "-1", "brevishead")
+ draw_brevis(brevis_wid#);
+fet_endchar;
%
% Some sources (eg Musix/OpusTeX think that the appendage should be on
% the right, my only other ref [Willemze], shows an appendage to the left
%
-fet_beginchar("Longa notehead", "-2", "longaball");
- draw_brevis;
+fet_beginchar("Longa notehead", "-2", "longahead");
+ draw_brevis(brevis_wid#);
save theta;
z7 = z5;
z6 - z7 = (-stem_width/2, -interline);
penlabels(6,7);
fet_endchar;
+
+% TODO: Document these!
+
% setup user vars
def setup_notehead_vars =
save a_b,err_y_a,tilt,superness;
% whole note
% Wanske, p.38
-fet_beginchar("Whole notehead", "0", "wholeball")
+fet_beginchar("Whole notehead", "0", "wholehead")
setup_notehead_vars;
a_b:=1.80;
a_w:=1; % no rotate-> no width correction
notehead_calc;
+ whole_notehead_width# := wd#;
notehead_draw;
fet_endchar;
+
% half note
% Wanske, p.39
fet_beginchar("Half notehead", "1",
- "halfball")
+ "halfhead")
setup_notehead_vars;
% a_b:=1.49; % after text
a_b:=1.50; % after drawing
a_w:=1.12;
notehead_calc;
+ half_notehead_width# := wd#;
notehead_draw;
fet_endchar;
+
% quarter note
% Wanske p.38
-fet_beginchar("Quart notehead", "2", "quartball")
+fet_beginchar("Quart notehead", "2", "quarthead")
setup_notehead_vars;
% a_b:=1.57; % after text
a_b:=1.54; % after drawing
a_w:=1.09;
notehead_calc;
+ black_notehead_width# := wd#;
notehead_draw;
fet_endchar;
+% whole note
+% Wanske, p.38
+fet_beginchar("Whole diamondhead", "0diamond", "wholediamondhead")
+ setup_notehead_vars;
+
+ a_b:=1.80;
+ err_y_a:=0; % no slant
+ tilt:=0;
+ superness:=0.495;
+ ai_a:=0.350;
+ % ai_bi:=1.23;
+ ai_bi:=1.30; % jcn
+ % err_y_ai:=0.0938;
+ % err_x_bi:=0;
+ err_y_ai:=0;
+ err_x_bi:=0.115;
+ % inner_tilt:=135;
+ inner_tilt:=125; % jcn
+ % inner_superness:=0.69;
+ inner_superness:=0.6; % jcn
+ b_h:=1; %no rotate-> no height correction
+ a_w:=1; % no rotate-> no width correction
+
+ notehead_calc;
+ whole_notehead_width# := wd#;
+ notehead_draw;
+fet_endchar;
+
+
+% half note
+% Wanske, p.39
+fet_beginchar("Half diamondhead", "1diamond",
+ "halfdiamondhead")
+ setup_notehead_vars;
+
+ a_b := 1.50; % after drawing
+ err_y_a:=0.157;
+
+ tilt:=34;
+ superness:=0.49; % jcn
+ ai_a:=0.550; % jcn
+ ai_bi:=3.30; % jcn
+
+ err_y_ai:=0;
+ err_x_bi:=-0.12;
+ inner_tilt:=tilt;
+ inner_superness:=0.80;
+
+ b_h:= 1.03;
+ a_w:= 1.2;
+
+ notehead_calc;
+ half_notehead_width# := wd#;
+ notehead_draw;
+fet_endchar;
+
+
+% quarter note
+% Wanske p.38
+fet_beginchar("Quart diamondhead", "2diamond", "diamondhead")
+ set_char_box(0, black_notehead_width#, noteheight#/2, noteheight#/2);
+ save a_b,err_y_a,tilt,superness;
+ save b_h,a_w;
+ save a,beta,ai,bi, ht, wd;
+
+ a_b:= 1.8;
+ err_y_a:=-0.044;
+ b_h:=0.90;
+ a_w:=1.1;
+ tilt:=35;
+ superness:=0.495;
+
+ ht# =noteheight#;
+ 2beta#=ht#*b_h;
+ a# = beta#*a_b;
+
+ define_pixels(a,beta);
+
+ black := distorted_ellipse(.72 noteheight, .45 noteheight, -.2 noteheight , 0, superness)
+
+% beta,a*err_y_a,0,superness);
+
+ black:=black rotated tilt;
+ black:=black shifted (w/2,0);
+ fill black;
+
+fet_endchar;
+
+fet_beginchar("Crossed notehead", "2cross", "crossedhead")
+ set_char_box(0, black_notehead_width#, noteheight#/2, noteheight#/2);
+ pickup pencircle scaled 1.5 stafflinethickness;
+ lft x1 = 0;
+ bot y1 = -d;
+ top y2 = h;
+ rt x2 = w;
+
+ draw z1 .. z2;
+ draw (z1 .. z2) yscaled -1;
+fet_endchar
+
+def draw_harmonic_notehead(expr harmwid) =
+ save beamheight, head_width, head_char_width;
+ save stemthick;
+ save thin, thick;
+ save ht;
+
+ head_width# = harmwid;
+
+ define_pixels(head_width);
+
+ head_char_width = 1.54 noteheight;
+ head_char_width# := 1.54 ht#;
+
+
+ set_char_box(0, head_width#, head_width#/2, head_width#/2);
+
+ thin = stafflinethickness - blot_diameter/2;
+ thick = 2.2 stafflinethickness - blot_diameter/2;
+ penpos1(thick, 45);
+ penpos2(thin, 315);
+ penpos3(thin, 135);
+ penpos4(thick, 55);
+ penpos5(thick, 225);
+ penpos6(thin, 135);
+ penpos7(thin, 315);
+ penpos8(thick, 235);
+
+
+ pickup pencircle scaled blot_diameter;
+
+ lft x1l = 0;
+ y1l = 0;
+
+ z2l = z1l;
+
+ bot y3l = -noteheight/2;
+ x3l = head_width/2;
+ z4l = z3l;
+ rt x5l = head_width;
+ y5l = 0;
+ z6l = z5l;
+
+ top y7l = noteheight/2;
+ x7l = (head_width/2);
+ z8l = z7l;
+
+
+ penlabels(1,2,3,4,5,6,7,8);
+ test_grid;
+ filldraw z1l -- z2r -- z7r -- z7l -- cycle;
+ filldraw z1l -- z1r -- z4r -- z4l -- cycle;
+ filldraw z3r -- z3l -- z6l -- z6r -- cycle;
+ filldraw z5r -- z5l -- z8l -- z8r -- cycle;
+enddef;
+
+harmonic_wid# := interline#;
+
+fet_beginchar("Harmonic notehead","2harmonic","harmonichead")
+ draw_harmonic_notehead(harmonic_wid#)
+fet_endchar;
+%fi
-fet_endgroup("balls");
+fet_endgroup("noteheads");
+define_pixels(black_notehead_width);