-%
+% -*-Fundamental-*-
% feta-bolletjes.mf -- implement noteheads
%
% source file of LilyPond's pretty-but-neat music font
%
-% (c) 1997 Jan Nieuwenhuizen <jan@digicash.com>
+% (c) 1997, 1998 Jan Nieuwenhuizen <janneke@gnu.org>
% & Han-Wen Nienhuys <hanwen@stack.nl>
%
save black_notehead_width;
numeric black_notehead_width;
-fet_begingroup("balls");
+fet_begingroup("noteheads");
noteheight#:=interline#+ (1 + overdone_heads) *stafflinethickness#;
define_pixels(noteheight);
-- 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;
-save uitsteek;
- uitsteek = .25;
-def draw_ledger(expr wid)=
- set_char_box(uitsteek * wid, (1+ uitsteek)*wid,
- ledgerlinethickness#/2,ledgerlinethickness#/2);
- pickup pencircle scaled ledgerlinethickness;
+
+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;
- y1 = y2 = 0;
- draw z1 .. z2;
-enddef;
+ x3 = x2;
+ bot y1 = -d;
+ y2 = y1;
-fet_beginchar("Brevis notehead", "-1", "brevisball")
- draw_brevis(brevis_wid#);
+ top y3 = h;
+ y4 = y3;
+ x4 = x1;
+
+ filldraw z1 --- z2 --- z3 --- z4 --- cycle ;
fet_endchar;
-fet_beginchar("Brevis ledger", "-1l", "brevisledger")
- draw_ledger(brevis_wid#);
+
+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");
+fet_beginchar("Longa notehead", "-2", "longahead");
draw_brevis(brevis_wid#);
save theta;
z7 = z5;
fill z7r .. z6r{z6-z7} .. {z7-z6} z6l -- z7l -- cycle;
penlabels(6,7);
fet_endchar;
-fet_beginchar("Longa ledger", "-2l", "longaledger")
- draw_ledger(brevis_wid#);
-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;
fet_endchar;
-fet_beginchar("Whole ledger line", "0l", "wholeledger")
- draw_ledger(whole_notehead_width#);
-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
fet_endchar;
-fet_beginchar("Half ledger", "1l", "halfledger")
- draw_ledger(half_notehead_width#);
-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
fet_endchar;
-fet_beginchar("Quart ledger", "2l", "quartledger")
- draw_ledger(black_notehead_width#);
+% 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;
-fet_endgroup("balls");
+
+% 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("noteheads");
define_pixels(black_notehead_width);
projects / lilypond.git / blobdiff