-%
+% -*-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>
+% (c) 1997--2001 Jan Nieuwenhuizen <janneke@gnu.org>
+% & Han-Wen Nienhuys <hanwen@cs.uu.nl>
%
save black_notehead_width;
numeric black_notehead_width;
-fet_begingroup("balls");
+fet_begingroup("noteheads");
-noteheight#:=interline#+ (1 + overdone_heads) *stafflinethickness#;
+noteheight#:=staff_space#+ (1 + overdone_heads) *stafflinethickness#;
define_pixels(noteheight);
-brevis_wid# := 2 interline#;
+
+
+%%%%%%%%
+%
+%
+%
+% MENSURAL NOTATION
+%
+%
+%
+brevis_wid# := 2 staff_space#;
def draw_brevis(expr brevwid) =
save beamheight, head_width;
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;
- rt x2 = w;
- lft x1 = -b;
- y1 = y2 = 0;
- draw z1 .. z2;
-enddef;
-
-fet_beginchar("Brevis notehead", "-1", "brevisball")
- draw_brevis(brevis_wid#);
-fet_endchar;
-fet_beginchar("Brevis ledger", "-1l", "brevisledger")
- draw_ledger(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
+% the left, some say right. Right wins democratically.
%
-fet_beginchar("Longa notehead", "-2", "longaball");
- draw_brevis(brevis_wid#);
+def draw_longa (expr wid) =
+ draw_brevis(wid);
save theta;
- z7 = z5;
- z6 - z7 = (-stem_width/2, -interline);
+
+ x7r = head_width;
+ y7 = y5;
+% z7 = z5;
+ z6 - z7 = (stem_width/2, -staff_space);
theta = angle(z6-z7)+ 90;
penpos7(stem_width, theta);
penpos6(1.2 stem_width, theta);
fill z7r .. z6r{z6-z7} .. {z7-z6} z6l -- z7l -- cycle;
penlabels(6,7);
+enddef;
+
+%
+% En wij presenteren U: de opvolgster van Emily
+%
+% (ze is wel breed)
+%
+fet_beginchar("Maxima notehead", "-3mensural", "mensuralmaximahead");
+ draw_longa (1.3 brevis_wid#)
+fet_endchar;
+
+fet_beginchar("Longa notehead", "-2mensural", "mensurallongahead");
+ draw_longa (brevis_wid#)
+fet_endchar;
+
+fet_beginchar("Brevis notehead", "-1mensural", "mensuralbrevishead")
+ draw_brevis(brevis_wid#);
+fet_endchar;
+
+def draw_mensural_black_head (expr wid) =
+ save head_width;
+ head_width# = wid;
+ set_char_box (0, head_width#, noteheight#/2, noteheight#/2);
+
+
+ y3 = y1 =0;
+ x2 = x4 = (x1 + x3) /2;
+ define_pixels (head_width);
+ pickup pencircle scaled blot_diameter;
+ top y2 = h;
+ bot y4 = -d;
+ lft x1 = 0;
+ rt x3 = w;
+
+ filldraw z1 -- z2 -- z3 -- z4 -- cycle;
+enddef;
+
+def draw_mensural_open_head (expr wid)=
+ draw_mensural_black_head (wid);
+ save diamNW, diamSW;
+ diamNW = length (z2 - z1) + blot_diameter;
+ diamSW = length (z4 - z1) + blot_diameter;
+
+ save hole_widthNW, hole_widthSW;
+ hole_widthNW = 0.34 diamNW ;
+ hole_widthSW + 2.6 stafflinethickness = diamSW;
+
+ (z7 + z5)/2 = (w/2, 0);
+ (z8 + z6)/2 = (w/2, 0);
+ (z6 - z5) = hole_widthNW * unitvector (z2 - z1);
+ (z7 - z6) = hole_widthSW * unitvector (z4 - z1);
+
+ labels (1,2,3,4,5,6,7,8);
+
+ unfill z5 -- z6 -- z7 -- z8 --cycle;
+enddef;
+
+fet_beginchar("Mensural open head","0mensural","mensuralminimhead")
+ draw_mensural_open_head (staff_space#);
fet_endchar;
-fet_beginchar("Longa ledger", "-2l", "longaledger")
- draw_ledger(brevis_wid#);
+
+fet_beginchar("Mensural open head","1mensural","mensuralsemiminimhead")
+ draw_mensural_open_head (staff_space#);
+fet_endchar;
+
+fet_beginchar("Mensural black head","2mensural","fusahead")
+ draw_mensural_black_head (staff_space#);
+fet_endchar;
+
+
+%%%%%%%%%%%%
+%
+%
+% ledger (leger) lines
+%
+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;
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%
+%
+%
+%
+%
+% TODO: Document these!
+
% setup user vars
def setup_notehead_vars =
save a_b,err_y_a,tilt,superness;
enddef;
-% whole note
-% Wanske, p.38
-fet_beginchar("Whole notehead", "0", "wholeball")
+def draw_whole_head =
setup_notehead_vars;
a_b:=1.80;
notehead_calc;
whole_notehead_width# := wd#;
notehead_draw;
-fet_endchar;
+enddef;
+
+
+%
+% dimensions aren't entirely right.
+%
+fet_beginchar ("Brevis notehead", "-1", "brevishead");
+ save stemthick, fudge;
+ define_pixels (stemthick);
+ fudge = blot_diameter /2;
+ stemthick# = 2 stafflinethickness#;
+
+ draw_whole_head;
+
+ pickup pencircle scaled stemthick;
+
+ bot y1 = -d;
+ top y2 = h;
+ rt x1 - fudge = 0;
+ x1 = x2;
+ fudge + lft x3 = w;
+ x4 = x3;
+ y4 = y2;
+ y3 = y1;
-fet_beginchar("Whole ledger line", "0l", "wholeledger")
- draw_ledger(whole_notehead_width#);
+ draw z1 -- z2;
+ draw z3 -- z4;
fet_endchar;
+% whole note
+% Wanske, p.38
+fet_beginchar("Whole notehead", "0", "wholehead")
+ draw_whole_head;
+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#);
-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;
-if test = 0:
-else:
-def draw_harmonic_notehead(expr harmwid) =
- save beamheight, head_width, head_char_width;
- save holeheight, stem_width;
- save serif_size, serif_protrude;
- save stemthick;
- save thin, thick;
- save ht, schuif_op;
-
-% setup_notehead_vars;
-
-% a_b:=1.54;
-% ai_a:=0;
-% ai_bi:=1;
-% b_h:=0.85;
-% a_w:=1.09;
+% half note
+% Wanske, p.39
+fet_beginchar("Half diamondhead", "1diamond",
+ "halfdiamondhead")
+ setup_notehead_vars;
-% notehead_calc;
-
+ a_b := 1.50; % after drawing
+ err_y_a:=0.157;
- head_width# = harmwid;
+ tilt:=34;
+ superness:=0.49; % jcn
+ ai_a:=0.550; % jcn
+ ai_bi:=3.30; % jcn
- define_pixels(head_width);
-
-% ht# = noteheight#;
- head_char_width = 1.54 noteheight;
- head_char_width# := 1.54 ht#;
- schuif_op = head_char_width - head_width; %ugh
- schuif_op# := head_char_width# - head_width#;
-% set_char_box(0, head_char_width#, noteheight#/2, noteheight#/2);
- set_char_box(0, head_width#, head_width#/2, head_width#/2);
-% 2 beamheight + holeheight = noteheight;
- thin = stafflinethickness;
- thick = 2.2 stafflinethickness;
-% serif_size = (holeheight - stafflinethickness)/2;
-% serif_protrude = 1.5 serif_size;
- penpos1(thick, 45);
- penpos2(thin, 315);
- penpos3(thin, 135);
- penpos4(thick, 45);
- penpos5(thick, 225);
- penpos6(thin, 135);
- penpos7(thin, 315);
- penpos8(thick, 225);
-
-% 1.5 noteheight = head_width;
- z1l = (schuif_op, 0);
- z2l = z1l;
-% z3l = (schuif_op + head_width/2,-head_width/2);
- z3l = (schuif_op + head_width/2, -noteheight/2);
- z4l = z3l;
- z5l = (schuif_op + head_width, 0);
- z6l = z5l;
-% z7l = (schuif_op + head_width/2, head_width/2);
- z7l = (schuif_op + head_width/2, noteheight/2);
- z8l = z7l;
-
- pickup pencircle; %scaled stemthick;
- penlabels(1,2,3,4,5,6,7,8);
- test_grid;
- fill z1l -- z2r -- z7r -- z7l -- cycle;
- fill z1l -- z1r -- z4r -- z4l -- cycle;
- fill z3r -- z3l -- z6l -- z6r -- cycle;
- fill z5r -- z5l -- z8l -- z8r -- cycle;
-enddef;
+ err_y_ai:=0;
+ err_x_bi:=-0.12;
+ inner_tilt:=tilt;
+ inner_superness:=0.80;
-%save uitsteek;
-% uitsteek = .25;
-harmonic_wid# := interline#;
+ b_h:= 1.03;
+ a_w:= 1.2;
-fet_beginchar("Harmonic notehead","harmonic","harmonicball")
- draw_harmonic_notehead(harmonic_wid#)
+ notehead_calc;
+ half_notehead_width# := wd#;
+ notehead_draw;
fet_endchar;
-fet_beginchar("Harmonic ledger", "harmonicl", "harmonicledger")
- draw_ledger(harmonic_wid#);
+
+% 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;
-fi
-fet_endgroup("balls");
+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
+
+fet_endgroup("noteheads");
define_pixels(black_notehead_width);
projects / lilypond.git / blobdiff