%
% 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--2000 Jan Nieuwenhuizen <janneke@gnu.org>
+% & Han-Wen Nienhuys <hanwen@cs.uu.nl>
%
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("Ledger ending", "ledgerending", "ledgerending")
-set_char_box (5/2 ledgerlinethickness#, 5/2 ledgerlinethickness#,
- ledgerlinethickness#/2,ledgerlinethickness#/2);
- pickup pencircle scaled ledgerlinethickness;
- lft x1 = -b ;
- rt x2 = w;
- y1 =0; y2 =0;
- draw z1 .. z2;
-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
+% the left, some say right. Right wins democratically.
%
-fet_beginchar("Longa notehead", "-2", "longahead");
- 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("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
enddef;
-% whole note
-% Wanske, p.38
-fet_beginchar("Whole notehead", "0", "wholehead")
+def draw_whole_head =
setup_notehead_vars;
a_b:=1.80;
notehead_calc;
whole_notehead_width# := wd#;
notehead_draw;
+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;
+
+ draw z1 -- z2;
+ draw z3 -- z4;
+fet_endchar;
+
+% whole note
+% Wanske, p.38
+fet_beginchar("Whole notehead", "0", "wholehead")
+ draw_whole_head;
fet_endchar;
black:=black rotated tilt;
black:=black shifted (w/2,0);
fill black;
-
fet_endchar;
fet_beginchar("Crossed notehead", "2cross", "crossedhead")
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