+% -*- Fundamental -*- (emacs-20 mf mode mucks
% feta-pendaal.mf -- piano pedal markings
%
% part of LilyPond's pretty-but-neat music font
%
% source file of the Feta (not the Font-En-Tja) music font
-%
-% (c) 2000 Jan Nieuwenhuizen <janneke@gnu.org>
+%
+% (c) 2000--2009 Jan Nieuwenhuizen <janneke@gnu.org>
%
% Voor Cup
% Pe = -0.034 pedalh == -0.07 staff-space
% ed = -0.27 pedalh == -0.53 staff-space
-fet_begingroup("pedal")
+
+fet_begingroup ("pedal");
pedalpha = 40;
pedbeta = 25;
-penh#=0.7stafflinethickness#;
-penw#=4penh#;
-%penw#=penh#;
-define_pixels (penh,penw);
+penh# = 0.7 linethickness#;
+penw# = 2 penh# + 0.14 staff_space#;
+define_pixels (penh, penw);
-pedalh# = 2staff_space#;
-pedalbh# = 4/7pedalh#;
-define_pixels (pedalh,pedalbh);
+pedalh# = 2 staff_space#;
+pedalbh# = 4/7 pedalh#;
+define_pixels (pedalh, pedalbh);
-% code values for own pedal font commented out
-% code := 41; % * = 42
-def draw_asterisk_bulb (expr w, h, i) =
- begingroup;
- clearxy;
- save bulb, p;
- path p;
- bulb = 4/3penw;
+fet_beginchar ("Pedal asterisk", "*");
+ save bulb, p, radius, thin, inner_r;
+ path pat;
+
+ set_char_box (0, 7/9 pedalh#, 0, pedalh#);
+
+ z0 = (1/2 w, h - 1/2 w);
+
+ thin = 0.8 linethickness;
+
+ bulb + 2 radius = w;
+ 0.9 thin + bulb = (radius * pi * 2) / 8;
pickup pencircle scaled penh;
- penpos 1 (bulb, 180);
- penpos 2 (bulb, 0);
- penpos 3 (penh, 0);
- penpos 4 (penw, 0);
- z0 = (1/2w, h - 1/2w);
- z1 = (1/2w, h-1/2bulb);
+ penpos1 (bulb, 180);
+ penpos2 (bulb, 0);
+ penpos3 (thin, 0);
+
+ z1 = z0 + (0, radius);
z2 = z1;
- z3 = (x1, y1-penw);
- z4 = (x1, y3-2penh);
-
- penlabels (1,2,3,4);
-% penstroke z1e{up}..z2e{down}..z3e{down}..z4e;
- p = z1l{up}..z2l{down}..z3l{down}..z4l..z4r
- ..z3r{up}..z2r{up}..z1r{down}..cycle;
- p := p rotatedaround (z0, 360/8i);
- fill p;
- endgroup;
- enddef;
-
-fet_beginchar("Pedal asterisk", "*", "pedal-asterisk")
- set_char_box(0, 7/9pedalh#, 0, pedalh#);
- z0 = (1/2w, h - 1/2w);
- for i = 0 upto 7:
- draw_asterisk_bulb (w, h, i);
- pickup pencircle scaled penw;
- undraw z0;
- endfor
+
+ inner_r = .45 radius;
+
+ z4l = z0 + inner_r * dir (90 + 360/16);
+ z4r = z0 + inner_r * dir (90 - 360/16);
+
+ z4 = .5 [z4l, z4r];
+ z3 = .75 [z1, z4];
+
+ penlabels (0, 1, 2, 3, 4);
+
+ pat := z3r{up}
+ .. z1l{up}
+ .. z2l{down}
+ .. z3l{down}
+ .. z4l{dir (180 + 360/16)};
+ for i = 1 upto 7:
+ pat := pat
+ .. ((z3r{up}
+ .. z1l{up}
+ .. z2l{down}
+ .. z3l{down}
+ .. z4l{dir (180 + 360/16)})
+ rotatedaround (z0, 360/8 i));
+ endfor;
+
+ pat := pat
+ .. cycle;
+ fill pat;
+
+ pickup pencircle scaled (7/8 inner_r);
+
+ undrawdot z0;
fet_endchar;
-% skip + and ,
-% code := 44; % - = 45
+%% ugh. rounded corners!
-fet_beginchar("Pedal dash", "-", "pedal-dash")
- set_char_box(0, 3penw#, 0, pedalbh#);
- pickup pencircle scaled penh;
+fet_beginchar ("Pedal dash", "M");
+ save dash_thickness;
+
+ dash_thickness# := penw#;
+ define_whole_vertical_blacker_pixels (dash_thickness);
- penpos 1 (penw, 60);
- penpos 2 (penw, 60);
- z1l = (0, 2/3h - 1/2penw);
- z2r = (w, y1l + 1.2penw);
- penlabels (1,2);
- penstroke z1e{dir 40}..tension 1.2 ..z2e{dir 40};
+ set_char_box (0, 3 penw#, 0, pedalbh#);
+
+ penpos1 (dash_thickness, 60);
+ penpos2 (dash_thickness, 60);
+
+ z1l = (0, vround (2/3 h - 1/2 penw));
+ z2r = (w, vround (y1l + 1.2 penw));
+
+ penlabels (1, 2, 3);
+
+ penstroke z1e{dir 40}
+ ..tension 1.2.. z2e{dir 40};
fet_endchar;
-fet_beginchar("Pedal dot", ".", "pedal-dot")
- set_char_box(0, penw#, 0, penw#);
+
+fet_beginchar ("Pedal dot", ".");
+ set_char_box (0, penw#, 0, penw#);
+
pickup pencircle scaled penw;
- draw (1/2penw,1/2penw);
+
+ drawdot (hround (1/2 penw), vround (1/2 penw));
fet_endchar;
-% code := 79; % P = 80
-fet_beginchar("Pedal P", "P", "pedal-P")
- set_char_box(0, 5/6pedalh#, 0, pedalh#);
- pickup pencircle scaled penh;
+def draw_pedal_P (expr show_labels) =
+begingroup;
+ clearxy;
- penpos 1 (penh, 0);
- penpos 2 (penw, 55);
- penpos 3 (penw, pedalpha);
- penpos 4 (1.2penh, -pedalpha);
- penpos 5 (penh, -pedalpha);
- penpos 6 (penh, 180-pedalpha);
- penpos 7 (2penh, 180-pedalpha);
- penpos 8 (penh, 90);
- penpos 9 (4/3penw,50);
- penpos 10 (1.4penw,50);
- penpos 11 (penh, 90+pedalpha);
-
- z1r = (0.6w, h);
- x2l = x1l - penw;
- y2 = 0.7h;
- x3r = x2l + 2penw;
- y3r = 0.4h;
- z4l = z5r + 1/4(z3r - z5r);
- x5 = 1/4w;
+ penpos1 (hround penh, 0);
+ penpos2 (penw, 55);
+ penpos3 (penw, pedalpha);
+ penpos4 (1.2 penh, -pedalpha);
+ penpos5 (penh, -pedalpha);
+ penpos6 (penh, 180 - pedalpha);
+ penpos7 (penh, 180 - pedalpha);
+ penpos8 (penh, 90);
+ penpos9 (4/3 penw, 50);
+ penpos10 (1.4 penw, 50);
+ penpos11 (penh, 90 + pedalpha);
+
+ z1r = (hround 0.6 w, h);
+ x2l = hround (x1l - penw) + xpart feta_offset;
+ y2 = vround (0.7 h) + ypart feta_offset;
+ x3r = hround (x2l + 2 penw);
+ y3r = 0.4 h;
+ z4l = z5r + 1/4 (z3r - z5r);
+ x5 = 1/4 w;
y5r = 0;
z6 = z5;
- z7 = z6r + 1/3(z8r - z6r);
- z8r = z5r + 3/5(z3r - z5r);
+ z7l = z6r + 1/3 (z8r - z6r);
+ z8r = z5r + 3/5 (z3r - z5r);
x9l = x10l - penh;
- y9l = 1/4penh;
- x10l = w - tand (90-pedalpha)*y11l;
- y10l = 1/4penh;
+ y9l = 1/4 penh;
+ x10l = w - tand (90 - pedalpha) * y11l;
+ y10l = 1/4 penh;
x11l = w;
- y11 = 1/5h;
-
- penlabels (1,2,3,4,5,6,7,8,9,10,11);
- penstroke z1e..tension 2.5 .. z2e.. tension 1.5 .. z3e ..tension 2.5
- ..z4e..tension 1.5
- ..z5e..z6e..tension 1.5
- ..z7e..tension 1.5
- ..z8e{right}..tension 1.5
- ..z9e{dir -pedalpha}
- ..z10e..tension 2.5..z11e;
-
- penpos 12 (penh, 0);
- penpos 13 (penw, -90-pedbeta);
- penpos 14 (penh, 90);
- penpos 15 (penw, -90+pedbeta);
- penpos 16 (penh, 180+pedbeta);
- z12 = (5/9x1, y2);
- z13l = (1/2x12r, y15r);
+ y11 = 1/5 h;
+
+ % don't stick out at the top
+ z1' = round (0.9 [z2, z1]) + (xpart feta_offset, 0);
+ penpos1' (penh, 0);
+
+ % shift start point of pen stroke to avoid overlapping contours
+ z8'l = z8l;
+ y8'r = y8r;
+ z8'r = z8l + whatever * (z3r - z8l);
+
+ penpos12 (hround penh, 0);
+ penpos13 (penw, -90 - pedbeta);
+ penpos14 (vround penh, 90);
+ penpos15 (penw, -90 + pedbeta);
+ penpos16 (penh, 180 + pedbeta);
+
+ z12r = (hround (5/9 x1 + 1/2 hround penh), y2);
+ z13l = (1/2 x12r, y15r);
z14r = z1r;
- z15l = (1/2[x16,w], y2l + 0.5penw);
- x16 = 1/4[x1, w];
+ z15l = (1/2 [x16, w], y2l + 0.5 penw);
+ x16 = 1/4 [x1, w];
y16r = y2r;
- penlabels (12,13,14,15,16);
- penstroke z12e{down}..tension 1.1
- ..z13e{dir (180-pedbeta)}..tension 1.1
- ..z14e{right}..tension 1.1
- ..z15e{dir (180+pedbeta)}..tension 1.1
- ..z16e{dir (90+pedbeta)};
-fet_endchar;
+ % We now do a correction to `center' the stem horizontally. While
+ % this is not the most elegant solution, it is definitely the
+ % easiest...
+
+ save horz_corr;
+ horz_corr = 1/5 [x12, x16] - x2l;
+ x2 := x2 + horz_corr;
+ x2l := x2l + horz_corr;
+ x2r := x2r + horz_corr;
+
+ penstroke z1'e
+ ..tension 2.5.. z2e
+ ..tension 1.5.. z3e
+ ..tension 2.5.. {dir (225)}z4e;
+
+ soft_end_penstroke z8'e{right}
+ ..tension 1.5.. z9e{dir (-pedalpha)}
+ .. z10e
+ ..tension 2.5.. z11e;
+
+ fill z4r{dir (225)}
+ ..tension 1.5.. z5r{left}
+ .. z6r
+ ..tension 1.5.. z7r
+ ..tension 1.5.. z8r{right}
+ -- cycle;
+
+ soft_penstroke z12e{down}
+ ..tension 1.1.. z13e{dir (180 - pedbeta)}
+ ..tension 1.1.. z14e{right}
+ ..tension 1.1.. z15e{dir (180 + pedbeta)}
+ ..tension 1.1.. z16e{dir (90 + pedbeta)};
+
+ if show_labels = 1:
+ penlabels (range 1 thru 16);
+ penlabels (1', 8');
+ fi;
+endgroup;
+enddef;
+
+
+def draw_pedal_d (expr show_labels) =
+begingroup;
+ clearxy;
+
+ penpos1 (vround penh, -10 - 90);
+ penpos2 (hround penw, 190);
+ penpos3 (vround (2 penh), 90);
+ penpos4 (hround (3/4 penw), 0);
+ penpos5 (penh, -70);
+
+ x1r = 0;
+ y1l = h;
+ z2 = (w - 1/2 hround penw, 1/2 pedalbh + penh);
+ z4l = (hround (1/3 w), 1/2 pedalbh);
+ z5l = (2/3 w, pedalbh);
+ z3l = (hround x5l, 0);
+
+ if show_labels = 1:
+ penlabels (1, 2, 3, 4, 5);
+ fi;
+
+ soft_start_penstroke z1e{dir (-10)}
+ ..tension 1.1.. z2e{dir (-90 + 10)}
+ ..tension 1.1.. z3e{left}
+ ..tension 1.1.. z4e{up}
+ ..tension 1.1.. z5e{dir (-70 + 90)};
+endgroup;
+enddef;
+
+
+def draw_pedal_e (expr show_labels) =
+begingroup;
+ clearxy;
+
+ penpos1 (penh, pedalpha - 90);
+ penpos2 (penh, pedalpha - 90);
+ penpos3 (3/5 penw, pedalpha);
+ penpos4 (1.2 penh, 90 + pedalpha);
+ penpos5 (2/3 penw, 180);
+ penpos6 (penw, 180 + pedalpha);
+ penpos7 (2/3 penw, -90 - 20);
+ penpos8 (penh, pedalpha - 90);
+
+ z1l = (0, 1/5 pedalh);
+ % this helps to make the path go through z2 at low resolutions
+ z2 = round (z1 + dir pedalpha * penw) + feta_offset;
+ z3 = (3/5 w, 8/9 h);
+ z4 = (2/9 w, y3);
+ x4r := hround x4r;
+ x5r = 0;
+ y5 = y2;
+ x6 = 3/8 w;
+ y6r = 1/2 penh;
+ z7l = (x6l + penh, y6l);
+ x8r = w;
+ y8 = 1/5 pedalh;
+ soft_penstroke z1e
+ -- z2e{z2 - z1}
+ ..tension 1.1.. z3e
+ ..tension 1.05.. z4e
+ ..tension 1.1.. z5e
+ ..tension 1.5.. z6e{dir - pedalpha}
+ ..tension 1.1.. z7e
+ ..tension 2.5.. z8e;
-% code := 99; % d = 100
+ if show_labels = 1:
+ penlabels (range 1 thru 8);
+ fi;
+endgroup;
+enddef;
-if 0 = 1:
-fet_beginchar("Pedal d", "d", "pedal-d")
- set_char_box(2/9pedalh#, 4/9pedalh#, 0, 7/8pedalh#);
- pickup pencircle scaled penh;
+fet_beginchar ("Pedal P", "P");
+ set_char_box (0, 5/6 pedalh#, 0, pedalh#);
- penpos 1 (penh, -70);
- penpos 2 (3/4penw, 0);
- penpos 3 (2penh, 90);
- penpos 4 (penw, 190);
- penpos 5 (penh, -10-90);
-
- z1l = (1/2w, pedalbh);
- z2l = (0, 1/2pedalbh);
- z3l = (1/2w, 0);
- z4 = (w - 1/2penw, 1/2pedalbh + penh);
- x5r = -b;
- y5l = h;
-
- penlabels (1,2,3,4,5);
-
- penstroke z1e{dir (-70-90)}..tension 1.1
- ..z2e{down}..tension 1.1
- ..z3e{right}..tension 1.1
- ..z4e{dir (90+10)}..tension 1.1
- ..z5e{dir (180-10)};
+ draw_pedal_P (1);
fet_endchar;
-else:
-fet_beginchar("Pedal d", "d", "pedal-d")
- set_char_box(0, 2/3pedalh#, 0, 7/8pedalh#);
- pickup pencircle scaled penh;
+fet_beginchar ("Pedal d", "d");
+ set_char_box (0, 2/3 pedalh#, 0, 7/8 pedalh#);
- penpos 1 (penh, -70);
- penpos 2 (3/4penw, 0);
- penpos 3 (2penh, 90);
- penpos 4 (penw, 190);
- penpos 5 (penh, -10-90);
+ draw_pedal_d (1);
+fet_endchar;
- z1l = (2/3w, pedalbh);
- z2l = (1/3w, 1/2pedalbh);
- z3l = (x1l, 0);
- z4 = (w - 1/2penw, 1/2pedalbh + penh);
- x5r = 0;
- y5l = h;
- penlabels (1,2,3,4,5);
+fet_beginchar ("Pedal e", "e");
+ set_char_box (0, 2/5 pedalh#, 0, pedalbh#);
- penstroke z1e{dir (-70-90)}..tension 1.1
- ..z2e{down}..tension 1.1
- ..z3e{right}..tension 1.1
- ..z4e{dir (90+10)}..tension 1.1
- ..z5e{dir (180-10)};
+ draw_pedal_e (1);
fet_endchar;
-fi
-
-fet_beginchar("Pedal e", "e", "pedal-e")
- set_char_box(0, 2/5pedalh#, 0, pedalbh#);
- pickup pencircle scaled penh;
- penpos 1 (penh, pedalpha-90);
- penpos 2 (penh, pedalpha-90);
- penpos 3 (3/5penw, pedalpha);
- penpos 4 (1.2penh, 90+pedalpha);
- penpos 5 (2/3penw, 180);
- penpos 6 (penw, 180+pedalpha);
- penpos 7 (2/3penw, -90-20);
- penpos 8 (penh, pedalpha-90);
+fet_beginchar ("Pedal Ped", "Ped");
+ P_width# = 5/6 pedalh#;
+ e_width# = 2/5 pedalh#;
+ d_width# = 2/3 pedalh#;
+ define_pixels (P_width, e_width, d_width);
- z1l = (0, 1/5pedalh);
- z2 = z1 + dir pedalpha * penw;
- z3 = (3/5w, 8/9h);
+ e_height = pedalbh;
+ d_height = 7/8 pedalh;
- z4 = (2/9w, y3);
+ % Pe = -0.034 pedalh == -0.07 staff-space
+ % ed = -0.27 pedalh == -0.53 staff-space
+ Pe_kern# = -0.034 pedalh#;
+ ed_kern# = -0.27 pedalh#;
+ define_pixels (Pe_kern, ed_kern);
- x5r = 0;
- y5 = y2;
+ w := hround d_width;
+ h := vround d_height;
+ draw_pedal_d (0);
+ currentpicture := currentpicture
+ shifted (hround (e_width + ed_kern), 0);
- x6 = 3/8w;
- y6r = 1/2penh;
+ w := hround e_width;
+ h := vround e_height;
+ draw_pedal_e (0);
+ currentpicture := currentpicture
+ shifted (hround (P_width + Pe_kern), 0);
- z7l = (x6l+penh, y6l);
+ w := hround P_width;
+ h := vround pedalh;
+ draw_pedal_P (0);
- x8r = w;
- y8 = 1/5pedalh;
-
- penlabels (1,2,3,4,5,6,7,8);
- penstroke z1e{dir pedalpha}
- ..z2e{dir pedalpha}.. tension 1.1
- %urg
- ..z3e..tension 1.05
- ..z4e..tension 1.1
- ..z5e..tension 1.5
- ..z6e{dir -pedalpha}..tension 1.1
- ..z7e.. tension 2.5
- ..z8e;
+ set_char_box (0, P_width# + Pe_kern# + e_width# + ed_kern# + d_width#,
+ 0, pedalh#);
fet_endchar;
-fet_endgroup("pedal")
+fet_endgroup ("pedal");