% -*-Fundamental-*-
% feta-bolletjes.mf -- implement noteheads
-%
+%
% source file of LilyPond's pretty-but-neat music font
-%
+%
% (c) 1997--2004 Jan Nieuwenhuizen <janneke@gnu.org>
% & Han-Wen Nienhuys <hanwen@cs.uu.nl>
% & Juergen Reuter <reuter@ipd.uka.de>
-%
+%
test_outlines := 0;
-% most beautiful noteheads are pronounced, not circular,
+% Most beautiful noteheads are pronounced, not circular,
% and not even symmetric.
-% These examples are inspired by [Wanske], see literature list
+% These examples are inspired by [Wanske]; see literature list.
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% NOTE HEAD VARIABLES
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-save black_notehead_width, noteheight,
- slash_thick, slash_slope, overdone_heads;
+
+save black_notehead_width, noteheight;
+save slash_thick, slash_slope, overdone_heads;
numeric black_notehead_width, noteheight, slash_thick;
fet_begingroup("noteheads");
+% Slope of slash. From scm/grob-description.scm. How to auto-copy?
+slash_slope := 1.7;
-% slope of slash. From scm/grob-description.scm. How to auto-copy?
-slash_slope := 1.7;
-
-% thickness of slash lines. quarter notes get 1.5slt width.
-slash_thick# := 2/3*0.48staff_space#;
+% Thickness of slash lines. Quarter notes get 1.5slt width.
+slash_thick# := 2/3 * 0.48 staff_space#;
%
% stafflinethickness)
%
overdone_heads = 0.0;
-noteheight#:=staff_space#+ (1 + overdone_heads) *stafflinethickness#;
+noteheight# := staff_space# + (1 + overdone_heads) * stafflinethickness#;
-define_pixels(slash_thick, noteheight);
+define_pixels (slash_thick, noteheight);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
-% SLANT moves both extremes on the long axis (by SLANT * ELLIPTICITY,
-% so SLANT = -1, puts the extreme on the long axis next to the short axis one.)
+% SLANT moves both extrema on the long axis (by SLANT * ELLIPTICITY,
+% so SLANT = -1, puts the extreme on the long axis next to the short
+% axis one).
%
-def draw_outside_ellipse (expr ellipticity, tilt, superness,
- slant) =
+def draw_outside_ellipse (expr ellipticity, tilt, superness, slant) =
save attachment_y;
save p;
path p;
p := superellipse ((ellipticity, 0), (-slant * ellipticity, 1.0),
- (- ellipticity, 0), (slant * ellipticity, -1.0), superness);
-
+ (- ellipticity, 0), (slant * ellipticity, -1.0),
+ superness);
p := p rotated tilt;
save top_point, right_point;
save scaling, width, height;
- scaling# = noteheight# /(2 ypart (top_point));
+ scaling# = noteheight# / (2 ypart (top_point));
width# := 2 xpart (right_point) * scaling#;
define_pixels (width, scaling);
-
- set_char_box (0, width#, noteheight#/2, noteheight#/2);
+
+ set_char_box (0, width#, noteheight# / 2, noteheight# / 2);
% attachment Y
charwy := ypart (right_point) * scaling#;
- charwx := width# ;
+ charwx := width#;
- p := p scaled scaling shifted (width/2, 0) ;
+ p := p scaled scaling shifted (width / 2, 0);
if test_outlines = 1:
- pickup pencircle scaled 1 ; draw p;
+ pickup pencircle scaled 1;
+ draw p;
else:
fill p;
fi;
def undraw_inside_ellipse (expr ellipticity, tilt, superness, clearance,
- center) =
+ center) =
begingroup
save p;
path p;
p := superellipse ((ellipticity, 0), (0, 1.0),
- (- ellipticity, 0), (0, -1.0), superness);
-
+ (-ellipticity, 0), (0, -1.0),
+ superness);
p := p rotated tilt;
save top_point, right_point;
save height, scaling;
height# = staff_space# + stafflinethickness# - clearance;
- scaling# = height# /(2 ypart (top_point));
+ scaling# = height# / (2 ypart (top_point));
define_pixels (scaling);
p := (p scaled scaling) shifted center;
if test_outlines = 1:
- pickup pencircle scaled 1; draw p;
+ pickup pencircle scaled 1;
+ draw p;
else:
unfill p;
fi
enddef;
-
-
-
%
% dimensions aren't entirely right.
%
draw_outside_ellipse (1.80, 0, 0.707, 0);
undraw_inside_ellipse (1.30, 125, 0.68, 2 stafflinethickness#,
- (w /2, 0));
+ (w / 2, 0));
pickup pencircle scaled stemthick;
y4 = y2;
y3 = y1;
- draw_gridline(z1,z2,stemthick);
- draw_gridline(z3,z4,stemthick);
-
+ draw_gridline (z1, z2, stemthick);
+ draw_gridline (z3, z4, stemthick);
fet_endchar;
-
-fet_beginchar("Whole notehead", "s0")
+fet_beginchar ("Whole notehead", "s0")
draw_outside_ellipse (1.80 - puff_up_factor / 3.0, 0, 0.707, 0);
- undraw_inside_ellipse (1.30, 125 - puff_up_factor *10,
- 0.68, 2 stafflinethickness#,
- (w /2, 0));
+ undraw_inside_ellipse (1.30, 125 - puff_up_factor * 10,
+ 0.68, 2 stafflinethickness#, (w / 2, 0));
% draw_staff_outline (-2, 2, 0.5);
-
fet_endchar;
-fet_beginchar("Half notehead", "s1")
+fet_beginchar ("Half notehead", "s1")
draw_outside_ellipse (1.53 - puff_up_factor / 3.0, 34, 0.66, 0.17);
- undraw_inside_ellipse (3.25, 33, 0.81,
- 2.5 stafflinethickness#, (w/2, 0));
-
+ undraw_inside_ellipse (3.25, 33, 0.81, 2.5 stafflinethickness#,
+ (w / 2, 0));
fet_endchar;
-
-fet_beginchar("Quart notehead", "s2")
+fet_beginchar ("Quart notehead", "s2")
% used to have 32. With 31, they are slightly bolder.
draw_outside_ellipse (1.49 - puff_up_factor / 3.0, 31, 0.707, 0);
black_notehead_width# := charwd;
fet_endchar;
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-fet_beginchar("Whole diamondhead", "s0diamond")
+fet_beginchar ("Whole diamondhead", "s0diamond")
draw_outside_ellipse (1.80, 0, 0.495, 0);
undraw_inside_ellipse (1.30, 125, 0.6,
- .4 staff_space# + stafflinethickness#,
- (w /2, 0));
-
+ .4 staff_space# + stafflinethickness#,
+ (w / 2, 0));
fet_endchar;
-fet_beginchar("Half diamondhead", "s1diamond")
+fet_beginchar ("Half diamondhead", "s1diamond")
draw_outside_ellipse (1.50, 34, 0.49, 0.17);
undraw_inside_ellipse (3.5, 33, 0.80,
- .3 staff_space# + 1.5 stafflinethickness#, (w/2, 0));
-
+ .3 staff_space# + 1.5 stafflinethickness#,
+ (w / 2, 0));
fet_endchar;
-fet_beginchar("Quart diamondhead", "s2diamond")
+
+fet_beginchar ("Quart diamondhead", "s2diamond")
draw_outside_ellipse (1.80, 35, 0.495, -0.25);
fet_endchar;
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+vardef penposx@# (expr d) =
+begingroup;
+ save pat;
+ path pat;
+ pat = top z@#
+ .. lft z@#
+ .. bot z@#
+ .. rt z@#
+ .. cycle;
+ z@#l = pat intersectionpoint (z@# -- infinity * dir (d + 180));
+ z@#r = pat intersectionpoint (z@# -- infinity * dir (d));
+endgroup
+enddef;
-def define_triangle_shape(expr stemdir) =
- save triangle,kern; path triangle;
+def define_triangle_shape (expr stemdir) =
+ save triangle_a, triangle_b, triangle_c;
+ save triangle_out_a, triangle_out_b, triangle_out_c;
+ save triangle_in, triangle_out;
save width, depth, height;
- save left_point, height, width, origin;
- save left_up_dir, exact_right_point, exact_down_point;
- pair exact_down_point, exact_left_point, origin, left_up_dir, exact_right_point;
- save pen_thick;
+ save origin, left_up_dir;
+ save exact_left_point, exact_right_point, exact_down_point;
- pen_thick# = stafflinethickness# + .1 staff_space#;
- define_pixels(pen_thick, llap);
+ path triangle_a, triangle_b, triangle_c;
+ path triangle_out_a, triangle_out_b, triangle_out_c;
+ path triangle_in, triangle_out;
+ pair origin, left_up_dir;
+ pair exact_down_point, exact_left_point, exact_right_point;
+
+ save pen_thick;
+ pen_thick# = stafflinethickness# + .1 staff_space#;
+ define_pixels (pen_thick, llap);
left_up_dir = llap# * dir (90 + tilt);
- xpart (left_up_dir) * xs - (pen_thick# * xs)/2 + xpart origin = 0;
+ xpart (left_up_dir) * xs - (pen_thick# * xs) / 2 + xpart origin = 0;
ypart origin = 0;
exact_left_point := origin + (left_up_dir xscaled xs);
exact_down_point := origin + (left_up_dir rotated 120 xscaled xs);
exact_right_point := origin + (left_up_dir rotated 240 xscaled xs);
- height# = ypart (exact_left_point + origin) + pen_thick#/2;
- depth# = -ypart (exact_down_point + origin) + pen_thick#/2;
- width# = xpart (exact_right_point - exact_left_point) + pen_thick# * xs;
+ height# = ypart (exact_left_point + origin) + pen_thick# / 2;
+ depth# = -ypart (exact_down_point + origin) + pen_thick# / 2;
+ width# = xpart (exact_right_point - exact_left_point)
+ + pen_thick# * xs;
+
+ set_char_box (0, width#, depth#, height#);
+
+ % Formerly, the shape has simply been drawn with an elliptical pen
+ % (`scaled pen_thick xsaled xs'), but the envelope of such a curve
+ % is of 6th degree. For the sake of mf2pt1, we approximate it.
- set_char_box(0, width#, depth#, height#);
-
- z0 = (hround_pixels (xpart origin), 0);
- z1 = z0 + llap * dir(90+tilt) xscaled xs;
- z2 = z0 + (llap * dir(90+tilt + 120) xscaled xs);
- z3 = z0 + (llap * dir(90+tilt + 240) xscaled xs);
-
- z12 = caveness[.5[z1,z2],z3];
- z23 = caveness[.5[z2,z3],z1];
- z31 = caveness[.5[z3,z1],z2];
-
- triangle = z1 .. z12 .. z2 ..
- z2 .. z23 .. z3 ..
- z3 .. z31 .. z1 ..
- cycle;
pickup pencircle scaled pen_thick xscaled xs;
- labels(1,2,12,23,31,3);
+ z0 = (hround_pixels (xpart origin), 0);
+
+ z1 = z1' = z0 + llap * dir (90 + tilt) xscaled xs;
+ z2 = z2' = z0 + llap * dir (90 + tilt + 120) xscaled xs;
+ z3 = z3' = z0 + llap * dir (90 + tilt + 240) xscaled xs;
+
+ z12 = caveness [.5[z1, z2], z3];
+ z23 = caveness [.5[z2, z3], z1];
+ z31 = caveness [.5[z3, z1], z2];
+
+ triangle_a = z1 .. z12 .. z2;
+ triangle_b = z2 .. z23 .. z3;
+ triangle_c = z3 .. z31 .. z1;
+
+ penposx1 (angle (direction 0 of triangle_a) - 90);
+ penposx2 (angle (direction 0 of triangle_b) - 90);
+ penposx3 (angle (direction 0 of triangle_c) - 90);
+
+ penposx1' (angle (direction infinity of triangle_c) + 90);
+ penposx2' (angle (direction infinity of triangle_a) + 90);
+ penposx3' (angle (direction infinity of triangle_b) + 90);
+
+ penposx12 (angle (z12 - z0));
+ penposx23 (angle (z23 - z0));
+ penposx31 (angle (z31 - z0));
+
+ z10 = (z0 -- z1) intersectionpoint (z1l .. z12l .. z2'r);
+ z20 = (z0 -- z2) intersectionpoint (z2l .. z23l .. z3'r);
+ z30 = (z0 -- z3) intersectionpoint (z3l .. z31l .. z1'r);
+
+ triangle_in = z10
+ .. z12l
+ .. z20
+ & z20
+ .. z23l
+ .. z30
+ & z30
+ .. z31l
+ .. z10
+ & cycle;
+
+ triangle_out_a = z1r .. z12r .. z2'l;
+ triangle_out_b = z2r .. z23r .. z3'l;
+ triangle_out_c = z3r .. z31r .. z1'l;
+
+ triangle_out = top z1
+ .. lft z1
+ .. z1r{direction 0 of triangle_out_a}
+ & triangle_out_a
+ & {direction infinity of triangle_out_a}z2'l
+ .. lft z2
+ .. bot z2
+ .. z2r{direction 0 of triangle_out_b}
+ & triangle_out_b
+ & {direction infinity of triangle_out_b}z3'l
+ .. rt z3
+ .. top z3
+ .. z3r{direction 0 of triangle_out_c}
+ & triangle_out_c
+ & {direction infinity of triangle_out_c}z1'l
+ .. cycle;
+
+ labels (0, 10, 20, 30);
+ penlabels (1, 1', 2, 2', 3, 3', 12, 23, 31);
% attachment Y
if stemdir = 1:
charwy := ypart exact_right_point;
charwx := xpart exact_right_point;
else:
- charwy := - ypart exact_down_point;
+ charwy := -ypart exact_down_point;
charwx := (width# - xpart exact_down_point);
fi
enddef;
-fet_beginchar("Whole trianglehead", "s0triangle")
- save hei,xs;
+
+fet_beginchar ("Whole trianglehead", "s0triangle")
+ save hei, xs;
save llap;
save tilt;
tilt = 40;
- llap# = 3/4noteheight#;
+ llap# = 3/4 noteheight#;
xs = 1.5;
- caveness:=0.1;
- define_triangle_shape(1);
- draw triangle;
+ caveness := 0.1;
+ define_triangle_shape (1);
+ fill triangle_out;
+ unfill triangle_in;
fet_endchar;
-def draw_closed_triangle_head(expr dir) =
- save hei,xs;
+def draw_small_triangle_head (expr dir) =
+ save hei, xs;
save llap;
save tilt;
tilt = 40;
- llap# = 2/3noteheight#;
+ llap# = 2/3 noteheight#;
xs = 1.2;
- caveness:=0.1;
- define_triangle_shape(dir);
- draw triangle;
+ caveness := 0.1;
+ define_triangle_shape (dir);
+ fill triangle_out;
+ unfill triangle_in;
enddef;
-fet_beginchar("Half trianglehead", "d1triangle")
- draw_closed_triangle_head(-1);
+
+fet_beginchar ("Half trianglehead", "d1triangle")
+ draw_small_triangle_head (-1);
fet_endchar;
-fet_beginchar("Half trianglehead", "u1triangle")
- draw_closed_triangle_head(1);
+
+fet_beginchar ("Half trianglehead", "u1triangle")
+ draw_small_triangle_head (1);
fet_endchar;
-def draw_closed_triangle_head(expr dir) =
- save hei,xs;
+
+def draw_closed_triangle_head (expr dir) =
+ save hei, xs;
save llap;
save tilt;
+
tilt = 40;
- llap# = 2/3noteheight#;
+ llap# = 2/3 noteheight#;
xs = 1.0;
- caveness:=0.1;
- define_triangle_shape(dir);
- filldraw triangle;
+ caveness := 0.1;
+ define_triangle_shape (dir);
+ fill triangle_out;
enddef;
-fet_beginchar("Quart trianglehead", "u2triangle")
- draw_closed_triangle_head(1);
+
+fet_beginchar ("Quart trianglehead", "u2triangle")
+ draw_closed_triangle_head (1);
fet_endchar;
+
fet_beginchar("Quart trianglehead", "d2triangle")
- draw_closed_triangle_head(-1);
+ draw_closed_triangle_head (-1);
fet_endchar;
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
-% slash heads are for indicating improvisation. They are
+% Slash heads are for indicating improvisation. They are
% twice as high as normal heads.
%
-def draw_slash(expr hwid_hash) =
+def draw_slash (expr hwid_hash) =
save exact_height;
save ne_dir;
pair ne_dir;
- exact_height = staff_space# + stafflinethickness#/2;
+ exact_height = staff_space# + stafflinethickness# / 2;
set_char_box (0, 2 exact_height / slash_slope + hwid_hash,
- exact_height, exact_height);
+ exact_height, exact_height);
charwx := charwd;
charwy := charht;
clearxy;
pickup pencircle scaled blot_diameter;
- bot y1 = - d;
+ bot y1 = -d;
top y2 = h;
lft x1 = 0;
lft x2 = 2 h / slash_slope;
-
+
rt x3 = w;
y3 = y2;
y4 = y1;
- x3- x2 = x4 - x1;
-
- ne_dir := unitvector( z3 - z4);
- filldraw z1 --- z2 --- z3 --- z4 --- cycle;
+ x3 - x2 = x4 - x1;
+
+ ne_dir := unitvector (z3 - z4);
+ fill bot z1
+ .. lft z1
+ --- lft z2
+ .. top z2
+ --- top z3
+ .. rt z3
+ --- rt z4
+ .. bot z4
+ --- cycle;
if hwid_hash > 2 slash_thick#:
save th;
z5 = z1 + whatever * ne_dir + th * (ne_dir rotated -90);
z8 = z4 + whatever * ne_dir + th * (ne_dir rotated 90);
- unfill
- z5 -- z6 -- z7 -- z8 -- cycle;
+ unfill z5
+ -- z6
+ -- z7
+ -- z8
+ -- cycle;
fi
labels (range 1 thru 10);
enddef;
-fet_beginchar("Whole slashhead","s0slash")
- draw_slash(4 slash_thick# + 0.5 staff_space#);
+
+fet_beginchar ("Whole slashhead", "s0slash")
+ draw_slash (4 slash_thick# + 0.5 staff_space#);
fet_endchar;
-fet_beginchar("Half slashhead","s1slash")
- draw_slash(3.0 slash_thick# + 0.15 staff_space#);
+
+fet_beginchar ("Half slashhead", "s1slash")
+ draw_slash (3.0 slash_thick# + 0.15 staff_space#);
fet_endchar;
-fet_beginchar("Quart slashhead","s2slash")
- draw_slash(1.5 slash_thick#);
+
+fet_beginchar ("Quart slashhead", "s2slash")
+ draw_slash (1.5 slash_thick#);
fet_endchar;
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-% thick is the distance between the NE/SW parallel lines in the cross
-% (distance between centres of lines)
-% in stafflinethickness def
%
-def draw_cross(expr thick) =
- save pent, slant, ne_dir;
- pair ne_dir;
- save crz; path crz;
+% `thick' is the distance between the NE/SW parallel lines in the cross
+% (distance between centres of lines) in multiples of stafflinethickness
+%
+def draw_cross (expr thick) =
+ save ne_dir, nw_dir;
+ save horz_dist, vert_dist;
+ save crz_in, crz_out;
+ pair ne_dir, nw_dir;
+ path crz_in, crz_out;
pen_thick# := 1.2 stafflinethickness#;
define_pixels (pen_thick);
pickup pencircle scaled pen_thick;
top y3 = h;
- ne_dir := unitvector ((1, (2 h -pen_thick)/(w - pen_thick)));
- rt x4 = w/2;
+ ne_dir := unitvector ((1, (2 h - pen_thick) / (w - pen_thick)));
+ rt x4 = w / 2;
y5 = 0;
z4 - z5 = whatever * ne_dir;
x6 = 0;
z6 - z3 = whatever * ne_dir;
z3 - z4 = whatever * (ne_dir yscaled -1);
- z4 - z3 = whatever * (ne_dir) + (ne_dir rotated -90) * thick * stafflinethickness;
-
- x1 = charwd/2 - .5 pen_thick#;
- z1 = whatever * ne_dir + thick/2 * stafflinethickness# * (ne_dir rotated -90);
-
-
- labels (1,2,3,4,5,6);
-
- crz = (z6 -- z3 -- z4 -- z5) ;
+ z4 - z3 = whatever * (ne_dir)
+ + (ne_dir rotated -90) * thick * stafflinethickness;
+
+ x1 = charwd / 2 - .5 pen_thick#;
+ z1 = whatever * ne_dir
+ + thick / 2 * stafflinethickness# * (ne_dir rotated -90);
+
+ labels (1, 2, 3, 4, 5, 6);
+
+ nw_dir = unitvector (z3 - z4);
+
+ vert_dist = 0.5 pen_thick / cosd (angle (ne_dir));
+ horz_dist = 0.5 pen_thick / sind (angle (nw_dir));
+
+ crz_out = (z6 + up * vert_dist)
+ --- (z3 + nw_dir * 0.5 pen_thick)
+ .. (top z3)
+ .. (z3 + ne_dir * 0.5 pen_thick)
+ --- (z4 + ne_dir * 0.5 pen_thick)
+ .. (rt z4)
+ .. (z4 - nw_dir * 0.5 pen_thick)
+ --- (z5 + right * horz_dist);
+ crz_out := crz_out
+ & reverse crz_out yscaled -1;
+ crz_out := crz_out
+ & reverse crz_out xscaled -1
+ & cycle;
+ fill crz_out;
+
+ if (thick > 1):
+ crz_in = (bot z6){right}
+ .. (z6 - nw_dir * 0.5 pen_thick)
+ --- (z3 + down * vert_dist)
+ --- (z4 + left * horz_dist)
+ --- (z5 + nw_dir * 0.5 pen_thick)
+ .. {down}(lft z5);
+ crz_in := crz_in
+ .. reverse crz_in yscaled -1;
+ crz_in := crz_in
+ .. reverse crz_in xscaled -1
+ .. cycle;
+ unfill crz_in;
+ fi
- draw crz shifted(w/2,0);
- draw crz xscaled -1 shifted(w/2,0);
- draw crz yscaled -1 shifted(w/2,0);
- draw crz scaled -1 shifted(w/2,0);
+ % ugh
+ currentpicture := currentpicture shifted (w / 2, 0);
charwx := charwd;
charwy := y1;
labels (12);
enddef;
-fet_beginchar("Whole Crossed notehead", "s0cross")
- wid# := black_notehead_width#+4stafflinethickness#;
- hei# := noteheight#+stafflinethickness#;
- set_char_box(0, wid#,hei#/2,hei#/2);
-
- draw_cross (3.75);
-fet_endchar;
-fet_beginchar("Half Crossed notehead", "s1cross")
- wid# := black_notehead_width#+2 stafflinethickness#;
- hei# := noteheight#+stafflinethickness#/2;
- set_char_box(0, wid#,hei#/2,hei#/2);
- draw_cross(3.0);
-fet_endchar;
+fet_beginchar ("Whole Crossed notehead", "s0cross")
+ wid# := black_notehead_width# + 4 stafflinethickness#;
+ hei# := noteheight# + stafflinethickness#;
-fet_beginchar("Crossed notehead", "s2cross")
- wid# := black_notehead_width#;
- hei# := noteheight#;
- set_char_box(0, wid#,hei#/2,hei#/2);
- draw_cross(1.0);
+ set_char_box (0, wid#, hei# / 2, hei# / 2);
+
+ draw_cross (3.75);
fet_endchar;
-fet_beginchar("X-Circled notehead", "s2xcircle")
- wid# := black_notehead_width#*sqrt(sqrt2);
- hei# := noteheight#*sqrt(sqrt2);
- set_char_box(0, wid#,hei#/2,hei#/2);
- cthick := (1.2+1/4)*stafflinethickness;
- cxr := w/2-cthick/2;
- cyr := h-cthick/2;
- pickup pencircle scaled cthick;
- draw fullcircle xscaled 2cxr yscaled 2cyr shifted (w/2,0);
- xpos := cxr/sqrt2;
- ypos := cyr/sqrt2;
- draw (-xpos+w/2,-ypos) -- (xpos+w/2,ypos);
- draw (-xpos+w/2,ypos) -- (xpos+w/2,-ypos);
- charwx := charwd ;
- charwy := 0 ;
+fet_beginchar ("Half Crossed notehead", "s1cross")
+ wid# := black_notehead_width# + 2 stafflinethickness#;
+ hei# := noteheight# + stafflinethickness# / 2;
- z12 = (charwx * hppp , charwy * vppp );
- labels (12);
+ set_char_box (0, wid#, hei# / 2, hei# / 2);
+
+ draw_cross (3.0);
fet_endchar;
+fet_beginchar ("Crossed notehead", "s2cross")
+ wid# := black_notehead_width#;
+ hei# := noteheight#;
+ set_char_box (0, wid#, hei# / 2, hei# / 2);
+ draw_cross (1.0);
+fet_endchar;
-%%%%%%%%
-%
-%
-% SOLFA SHAPED NOTES
-%
-%
+fet_beginchar ("X-Circled notehead", "s2xcircle")
+ wid# := black_notehead_width# * sqrt (sqrt2);
+ hei# := noteheight# * sqrt (sqrt2);
-def generic_draw_solfa_note_shape =
- save a,beta,black,white;
- path black, white;
+ set_char_box (0, wid#, hei# / 2, hei# / 2);
- pickup pencircle scaled stafflinethickness;
- 2 beta# = noteheight#;
- a# = a_b*beta#;
- wid# := 2a#+stafflinethickness#;
- hei# := noteheight#+stafflinethickness#;
- set_char_box(0, wid#,0.5 hei#, 0.5 hei#);
+ cthick := (1.2 + 1/4) * stafflinethickness;
+ cxr := w / 2 - cthick / 2;
+ cyr := h - cthick / 2;
- define_pixels(a,beta);
+ pickup pencircle scaled cthick;
- black = noteshape xscaled a yscaled beta shifted (a+stafflinethickness/2,0);
- filldraw black;
+ fill fullcircle xscaled (2 cxr + cthick)
+ yscaled (2 cyr + cthick)
+ shifted (w / 2, 0);
+ unfill fullcircle xscaled (2 cxr - cthick)
+ yscaled (2 cyr - cthick)
+ shifted (w / 2, 0);
- if (solid=false):
- white = noteishape xscaled (a*ai_a) yscaled (beta*bi_b)
- shifted ((dx+1)*(a+stafflinethickness/2),
- dy*(beta+stafflinethickness/2));
- unfill white;
- fi;
-enddef;
+ xpos := cxr / sqrt2;
+ ypos := cyr / sqrt2;
-def draw_solfa_note_shape =
- save solid; boolean solid;
- solid=false;
- generic_draw_solfa_note_shape;
-enddef;
-def draw_solfa_quarter_note_shape =
- save solid; boolean solid;
- solid=true;
- generic_draw_solfa_note_shape;
-enddef;
+ pickup penrazor scaled cthick rotated (angle (xpos, ypos) + 90);
+ draw (-xpos + w / 2, -ypos) -- (xpos + w / 2, ypos);
-% do - equilateral triangle: (0,-h/2) -- (w/2,h/2) -- (w,-h/2) -- cycle;
-% stem attachment: -h/2
+ pickup penrazor scaled cthick rotated (angle (xpos, -ypos) + 90);
+ draw (-xpos + w / 2, ypos) -- (xpos + w / 2, -ypos);
-save triangle; path triangle;
-triangle := (-1,-1) -- (0,1) -- (1,-1) -- cycle;
+ charwx := charwd;
+ charwy := 0;
+ z12 = (charwx * hppp, charwy * vppp);
+ labels (12);
+fet_endchar;
+%%%%%%%%
+%
+% SOLFA SHAPED NOTES
+%
save solfa_pen_thick;
solfa_pen_thick# = 2 stafflinethickness#;
define_pixels (solfa_pen_thick);
+
def draw_do_head (expr width_factor, dir) =
- save p ;
- path p;
- set_char_box(0, width_factor * noteheight#, 0.5 noteheight#, 0.5 noteheight#);
-
+ save p_in, p_out;
+ save left_dist, right_dist;
+ path p_in, p_out;
+ pair left_dist, right_dist;
+
+ set_char_box (0, width_factor * noteheight#,
+ 0.5 noteheight#, 0.5 noteheight#);
+
pickup pencircle scaled solfa_pen_thick;
- bot y1 = -d ;
+ bot y1 = -d;
y1 = y2;
lft x1 = 0;
rt x2 = w;
top y3 = h;
- x3 =.5[x1,x2];
-
- p := z1 -- z2 -- z3 -- cycle;
+ x3 =.5 [x1, x2];
+
+ left_dist = (unitvector (z3 - z1) rotated 90) * 0.5 solfa_pen_thick;
+ right_dist = (unitvector (z2 - z3) rotated 90) * 0.5 solfa_pen_thick;
+
+ p_in := (((z1 - left_dist) -- (z3 - left_dist)) intersectionpoint
+ (top z1 -- top z2))
+ -- ((top z1 -- top z2) intersectionpoint
+ ((z2 - right_dist) -- (z3 - right_dist)))
+ -- (((z2 - right_dist) -- (z3 - right_dist)) intersectionpoint
+ ((z1 - left_dist) -- (z3 - left_dist)))
+ -- cycle;
+
+ p_out := bot z1
+ --- bot z2
+ .. rt z2
+ .. (z2 + right_dist)
+ --- (z3 + right_dist)
+ .. top z3
+ .. (z3 + left_dist)
+ --- (z1 + left_dist)
+ .. lft z1
+ .. cycle;
+
+
+ labels (1, 2, 3);
charwx := charwd;
- charwy := - chardp + 0.5 stafflinethickness#;
+ charwy := -chardp + 0.5 stafflinethickness#;
if dir = -1:
- charwy := - charwy;
+ charwy := -charwy;
fi;
enddef;
-fet_beginchar("Whole dohead", "s0do")
+
+fet_beginchar ("Whole dohead", "s0do")
draw_do_head (1.8, 1);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Half dohead", "d1do")
+fet_beginchar ("Half dohead", "d1do")
draw_do_head (1.5, -1);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Half dohead", "s1do")
+
+fet_beginchar ("Half dohead", "s1do")
draw_do_head (1.5, 1);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Quart dohead", "d2do")
+
+fet_beginchar ("Quart dohead", "d2do")
draw_do_head (1.55, -1);
- filldraw p;
+ fill p_out;
fet_endchar;
-fet_beginchar("Quart dohead", "s2do")
+fet_beginchar ("Quart dohead", "s2do")
draw_do_head (1.55, 1);
- filldraw p;
+ fill p_out;
fet_endchar;
-
+
+%
% re - flat top, curved bottom:
% (0,h/2) {dir -90} .. (w/2,-h/2) .. {dir 90} (w,h/2) -- cycle;
% (broader along the base and with more vertical sides for half and
% whole notes)
% stem attachment: h/2
+%
+def draw_re_head (expr width_factor, dir) =
+ save p_in, p_out;
+ path p_in, p_out;
+ set_char_box (0, width_factor * noteheight#,
+ 0.5 noteheight#, 0.5 noteheight#);
-def draw_re_head (expr width_factor, dir) =
- save p ;
- path p;
- set_char_box(0, width_factor * noteheight#, 0.5 noteheight#, 0.5 noteheight#);
-
pickup pencircle scaled solfa_pen_thick;
save curve_start;
lft x1 = 0;
y1 = y5;
x1 = x2;
- y2 = curve_start [y3,y1];
+ y2 = curve_start [y3, y1];
bot y3 = - d;
- x3 = .5 [x2,x4];
+ x3 = .5 [x2, x4];
rt x4 = w;
y4 = y2;
top y5 = h;
x5 = x4;
+
labels (range 1 thru 5);
- p := z1 --- z2 .. z3{right} .. z4 --- z5 --- cycle;
+
+ p_in := (z1 + 0.5 solfa_pen_thick * (1, -1))
+ --- rt z2
+ .. top z3{right}
+ .. lft z4
+ --- (z5 + 0.5 solfa_pen_thick * (-1, -1))
+ --- cycle;
+
+ p_out := lft z1
+ --- lft z2
+ .. bot z3{right}
+ .. rt z4
+ --- rt z5
+ .. top z5
+ --- top z1
+ .. cycle;
charwx := charwd;
charwy := curve_start [-chardp, charht];
+
if dir = -1:
charwy := - charwy;
fi;
enddef;
-fet_beginchar("Whole rehead", "s0re")
- draw_re_head (1.8,1);
- draw p;
+
+fet_beginchar ("Whole rehead", "s0re")
+ draw_re_head (1.8, 1);
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Half up rehead", "u1re")
+fet_beginchar ("Half up rehead", "u1re")
draw_re_head (1.5, 1);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Half down rehead", "d1re")
+
+fet_beginchar ("Half down rehead", "d1re")
draw_re_head (1.5, -1);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Quart rehead", "u2re")
+fet_beginchar ("Quart rehead", "u2re")
draw_re_head (1.55, 1);
- filldraw p;
+ fill p_out;
fet_endchar;
-fet_beginchar("Quart rehead", "d2re")
+
+fet_beginchar ("Quart rehead", "d2re")
draw_re_head (1.55, -1);
- filldraw p;
+ fill p_out;
fet_endchar;
-
-
def draw_mi_head (expr width_factor) =
save path_out, path_in;
+ save ne_dist, nw_dist;
path path_out, path_in;
- set_char_box(0, width_factor * noteheight#, 0.5 noteheight#, 0.5 noteheight#);
-
- pickup pencircle scaled solfa_pen_thick;
+ pair ne_dist, nw_dist;
+ set_char_box (0, width_factor * noteheight#,
+ 0.5 noteheight#, 0.5 noteheight#);
+
+ pickup pencircle scaled solfa_pen_thick;
lft x1 = 0;
y1 = 0;
z8 - z5 = whatever * (z4 - z1);
z6 - z7 = whatever * (z4 - z1);
- z5 = whatever [z1, z4] + (unitvector (z4 - z1) rotated -90 scaled 0.5 solfa_pen_thick);
- z5 = whatever [z1, z2] + (unitvector (z2 - z1) rotated 90 scaled 0.75 solfa_pen_thick);
+ ne_dist = (unitvector (z4 - z1) rotated 90) * 0.5 solfa_pen_thick;
+ nw_dist = (unitvector (z1 - z2) rotated 90) * 0.5 solfa_pen_thick;
+
+ z5 = whatever [z1, z4] - ne_dist;
+ z5 = whatever [z1, z2] - 1.5 nw_dist;
z5 - z1 = -(z7 - z3);
-
+
labels (range 1 thru 8);
- path_out := z1 -- z2 -- z3 -- z4 -- cycle;
- path_in := z5 -- z6 -- z7 -- z8 -- cycle;
-% path_in := z5 -- z1 --cycle;
+
+ path_in := z5
+ -- z6
+ -- z7
+ -- z8
+ -- cycle;
+
+ path_out := lft z1
+ .. (z1 + nw_dist)
+ --- (z2 + nw_dist)
+ .. bot z2
+ .. (z2 - ne_dist)
+ --- (z3 - ne_dist)
+ .. rt z3
+ .. (z3 - nw_dist)
+ --- (z4 - nw_dist)
+ .. top z4
+ .. (z4 + ne_dist)
+ --- (z1 + ne_dist)
+ .. cycle;
enddef;
-fet_beginchar("Whole mihead", "s0mi")
+
+fet_beginchar ("Whole mihead", "s0mi")
draw_mi_head (1.8);
- filldraw path_out;
+ fill path_out;
unfill path_in;
fet_endchar;
-fet_beginchar("Half mihead", "s1mi")
+fet_beginchar ("Half mihead", "s1mi")
draw_mi_head (1.6);
- filldraw path_out;
+ fill path_out;
unfill path_in;
fet_endchar;
-fet_beginchar("Quart mihead", "s2mi")
+fet_beginchar ("Quart mihead", "s2mi")
draw_mi_head (1.65);
- filldraw path_out;
+ fill path_out;
fet_endchar;
+def draw_fa_head (expr width_factor) =
+ set_char_box (0, width_factor * noteheight#,
+ 0.5 noteheight#, 0.5 noteheight#);
+ save p_down_in, p_down_out, p_up_in, p_up_out, nw_dist;
+ path p_down_in, p_down_out, p_up_in, p_up_out;
+ pair nw_dist;
-def draw_fa_head (expr width_factor) =
- set_char_box(0, width_factor * noteheight#, 0.5 noteheight#, 0.5 noteheight#);
- save p_down, p_up;
- path p_up, p_down;
-
pickup pencircle scaled solfa_pen_thick;
lft x1 = 0;
y4 = y3;
x4 = x1;
- labels(range 1 thru 4);
+ labels (range 1 thru 4);
+
+ nw_dist = (unitvector (z1 - z3) rotated 90) * 0.5 solfa_pen_thick;
+
+ p_up_in := (((z1 - nw_dist) -- (z3 - nw_dist)) intersectionpoint
+ (bot z1 -- bot z2))
+ -- (((z1 - nw_dist) -- (z3 - nw_dist)) intersectionpoint
+ (lft z3 -- lft z2))
+ -- (z2 + 0.5 solfa_pen_thick * (-1, -1))
+ --- cycle;
- p_up := z1 -- z2 -- z3 --cycle;
- p_down := z1 -- z4 -- z3 --cycle;
+ p_up_out := lft z1
+ .. (z1 + nw_dist)
+ --- (z3 + nw_dist)
+ .. bot z3
+ .. rt z3
+ --- rt z2
+ .. top z2
+ --- top z1
+ .. cycle;
+
+ p_down_in := p_up_in rotated 180 shifted (w, 0);
+ p_down_out := p_up_out rotated 180 shifted (w, 0);
charwy := 0.0;
charwx := charwd;
enddef;
-fet_beginchar("Whole fa up head", "d0fa")
+fet_beginchar ("Whole fa up head", "d0fa")
draw_fa_head (1.8);
- draw p_up;
+ fill p_up_out;
+ unfill p_up_in;
fet_endchar;
-fet_beginchar("Whole fa down head", "u0fa")
+
+fet_beginchar ("Whole fa down head", "u0fa")
draw_fa_head (1.8);
- draw p_down;
+ fill p_down_out;
+ unfill p_down_in;
fet_endchar;
-fet_beginchar("half fa up head", "d1fa")
+
+fet_beginchar ("half fa up head", "d1fa")
draw_fa_head (1.5);
- draw p_up;
+ fill p_up_out;
+ unfill p_up_in;
fet_endchar;
-fet_beginchar("Half fa down head", "u1fa")
+
+fet_beginchar ("Half fa down head", "u1fa")
draw_fa_head (1.5);
- draw p_down;
+ fill p_down_out;
+ unfill p_down_in;
fet_endchar;
-fet_beginchar("Quarter fa up head", "u2fa")
+
+fet_beginchar ("Quarter fa up head", "u2fa")
draw_fa_head (1.55);
- filldraw p_up;
+ fill p_up_out;
fet_endchar;
-fet_beginchar("Quarter fa down head", "d2fa")
+
+fet_beginchar ("Quarter fa down head", "d2fa")
draw_fa_head (1.55);
- filldraw p_down;
+ fill p_down_out;
fet_endchar;
def draw_la_head (expr width_factor) =
- set_char_box(0, width_factor * noteheight#, 0.5 noteheight#, 0.5 noteheight#);
- save p;
- path p;
-
+ set_char_box (0, width_factor * noteheight#,
+ 0.5 noteheight#, 0.5 noteheight#);
+ save p_in, p_out;
+ path p_in, p_out;
+
pickup pencircle scaled solfa_pen_thick;
lft x1 = 0;
y4 = y3;
x4 = x1;
- labels(range 1 thru 4);
-
- p := z1 -- z2 -- z3 -- z4 -- cycle;
+ labels (range 1 thru 4);
+
+ p_in := (z1 + 0.5 solfa_pen_thick * (1, -1))
+ -- (z2 + 0.5 solfa_pen_thick * (-1, -1))
+ -- (z3 + 0.5 solfa_pen_thick * (-1, 1))
+ -- (z4 + 0.5 solfa_pen_thick * (1, 1))
+ -- cycle;
+
+ p_out := top z1
+ --- top z2
+ .. rt z2
+ --- rt z3
+ .. bot z3
+ --- bot z4
+ .. lft z4
+ --- lft z1
+ .. cycle;
enddef;
-fet_beginchar("Whole lahead", "s0la")
+
+fet_beginchar ("Whole lahead", "s0la")
draw_la_head (1.8);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Half lahead", "s1la")
+fet_beginchar ("Half lahead", "s1la")
draw_la_head (1.5);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Quart lahead", "s2la")
+fet_beginchar ("Quart lahead", "s2la")
draw_la_head (1.55);
- filldraw p;
+ fill p_out;
fet_endchar;
-
def draw_ti_head (expr width_factor, dir) =
- set_char_box(0, width_factor * noteheight#, 0.5 noteheight#, 0.5 noteheight#);
- save p;
- path p;
+ set_char_box (0, width_factor * noteheight#,
+ 0.5 noteheight#, 0.5 noteheight#);
+ save p_in, p_out, p_top;
+ save left_dist, right_dist;
+ path p_in, p_out, p_top;
+ pair left_dist, right_dist;
save cone_height;
cone_height = 0.64;
x1 = .5 [x2, x4];
bot y1 = -d;
lft x2 = 0;
- y2 = cone_height [y1,y3];
+ y2 = cone_height [y1, y3];
rt x4 = w;
y4 = y2;
x3 = x1;
top y3 = h;
-
- labels(range 1 thru 4);
- p := z1 -- z2 .. z3{right} .. z4 -- cycle;
+ labels (range 1 thru 4);
+
+ left_dist = (unitvector (z2 - z1) rotated 90) * 0.5 solfa_pen_thick;
+ right_dist = (unitvector (z1 - z4) rotated 90) * 0.5 solfa_pen_thick;
+
+ p_top := (z2 - right_dist) .. (top z3){right} .. (z4 - left_dist);
+
+ p_in := (((z1 - left_dist) -- (z2 - left_dist)) intersectionpoint
+ ((z1 - right_dist) -- (z4 - right_dist)))
+ -- (((z1 - left_dist) -- (z2 - left_dist)) intersectionpoint
+ ((z2 + right_dist) .. {right}(bot z3)))
+ .. bot z3
+ .. (((bot z3){right} .. (z4 + left_dist)) intersectionpoint
+ ((z1 - right_dist) -- (z4 - right_dist)))
+ -- cycle;
+
+ p_out := bot z1
+ .. (z1 + left_dist)
+ --- (z2 + left_dist)
+ .. lft z2
+ .. (z2 - right_dist){direction 0 of p_top}
+ & p_top
+ & {direction infinity of p_top}(z4 - left_dist)
+ .. rt z4
+ .. (z4 + right_dist)
+ --- (z1 + right_dist)
+ .. cycle;
+
charwx := charwd;
charwy := cone_height [-chardp, charht];
- if dir = - 1:
+ if dir = -1:
charwy := - charwy;
fi;
enddef;
-fet_beginchar("Whole up tihead", "s0ti")
+
+fet_beginchar ("Whole up tihead", "s0ti")
draw_ti_head (1.8, 1);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Half up tihead", "u1ti")
+fet_beginchar ("Half up tihead", "u1ti")
draw_ti_head (1.5, 1);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-fet_beginchar("Half down tihead", "d1ti")
+
+fet_beginchar ("Half down tihead", "d1ti")
draw_ti_head (1.5, -1);
- draw p;
+ fill p_out;
+ unfill p_in;
fet_endchar;
-
-fet_beginchar("Quart up tihead", "u2ti")
+fet_beginchar ("Quart up tihead", "u2ti")
draw_ti_head (1.55, 1);
- filldraw p;
+ fill p_out;
fet_endchar;
-fet_beginchar("Quart down tihead", "d2ti")
+fet_beginchar ("Quart down tihead", "d2ti")
draw_ti_head (1.55, -1);
- filldraw p;
+ fill p_out;
fet_endchar;
-
fet_endgroup("noteheads");
%
% we derive black_notehead_width# from the quarter head,
-% so we have to define black_notehead_width (pixel qty)
-% after the black_notehead_width# itself. Let's keep it outside the group as well.
-%
-define_pixels(black_notehead_width);
-
-
-
+% so we have to define black_notehead_width (pixel qty)
+% after the black_notehead_width# itself.
+%
+% Let's keep it outside the group as well.
+%
+define_pixels (black_notehead_width);
projects / lilypond.git / commitdiff