--- /dev/null
+% Feta (not the Font-En-Tja) music font -- implement scripts
+% This file is part of LilyPond, the GNU music typesetter.
+%
+% Copyright (C) 1997--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+% Jan Nieuwenhuizen <janneke@gnu.org>
+%
+%
+% LilyPond is free software: you can redistribute it and/or modify
+% it under the terms of the GNU General Public License as published by
+% the Free Software Foundation, either version 3 of the License, or
+% (at your option) any later version.
+%
+% LilyPond is distributed in the hope that it will be useful,
+% but WITHOUT ANY WARRANTY; without even the implied warranty of
+% MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+% GNU General Public License for more details.
+%
+% You should have received a copy of the GNU General Public License
+% along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
+
+
+fet_begingroup ("scripts");
+
+def draw_fermata =
+ save alpha, radius, crook_thinness, crook_fatness, dot_size;
+ save pat;
+ path pat;
+
+ % [Wanske] and some Baerenreiter editions
+ % suggest about 80 degrees instead of a half-circle
+ alpha := 10;
+
+ radius# = 1.25 staff_space#;
+ crook_thinness# = 1.5 linethickness#;
+ crook_fatness# = 0.25 staff_space# + 1.5 linethickness#;
+
+ radius# + crook_fatness# / 2 = h#;
+ radius# + crook_thinness# / 2 = w#;
+
+ set_char_box (w#, w#, crook_thinness# / 2, h#);
+
+ define_pixels (radius, crook_thinness, crook_fatness);
+
+ dot_size# = 8/6 crook_fatness#;
+ define_whole_blacker_pixels (dot_size);
+
+ penpos1 (crook_thinness, 0);
+ penpos2 (crook_fatness, -90);
+ z1 = (-radius, 0);
+ z2 = (0, radius);
+
+ pat := z2l{left}
+ .. z1l{dir (-alpha - 90)}
+ .. {dir (90 - alpha)}z1r
+ .. {right}z2r;
+ pat := pat
+ -- reverse pat xscaled -1 shifted (-feta_eps, 0)
+ -- cycle;
+ fill pat;
+
+ pickup pencircle scaled dot_size;
+ x4 = 0;
+ bot y4 = vround (-crook_thinness / 2);
+ drawdot z4;
+enddef;
+
+
+fet_beginchar ("fermata up", "ufermata");
+ draw_fermata;
+ penlabels (1, 2, 4);
+fet_endchar;
+
+
+fet_beginchar ("fermata down", "dfermata");
+ draw_fermata;
+ y_mirror_char;
+fet_endchar;
+
+
+def draw_short_fermata =
+ save fat_factor, thinness, dot_size;
+ save left_dist, right_dist, se, ne;
+ pair left_dist, right_dist, se, ne;
+
+ set_char_box (staff_space#, staff_space#, 0, 2.2 staff_space#);
+
+ dot_size# = 0.266 staff_space# + 2.666 linethickness#;
+ define_whole_blacker_pixels (dot_size);
+
+ fat_factor = .11;
+ thinness = 1.5 linethickness;
+
+ pickup pencircle scaled thinness;
+
+ rt x2 = w;
+ lft x5 = -b;
+ bot y5 = 0;
+ top y3 = h;
+ y1 = y2 = y5;
+
+ x3 = 0;
+ z1 - z4 = whatever * (charwd, -charht);
+ z4 = fat_factor [z3, z5];
+
+ ne = unitvector (z3 - z5);
+ se = unitvector (z2 - z3);
+
+ left_dist = (ne rotated 90) * 0.5 thinness;
+ right_dist = (se rotated 90) * 0.5 thinness;
+
+ fill bot z5{right}
+ .. (z5 - left_dist){ne}
+ -- (((z5 - left_dist) -- (z3 - left_dist)) intersectionpoint
+ ((z1 - right_dist) -- (z4 - right_dist)))
+ -- (z1 - right_dist){se}
+ .. bot z1{right}
+ -- bot z2{right}
+ .. (z2 + right_dist){-se}
+ -- (z3 + right_dist){-se}
+ .. top z3
+ .. (z3 + left_dist){-ne}
+ -- (z5 + left_dist){-ne}
+ .. cycle;
+
+ pickup pencircle scaled dot_size;
+
+ x1 - 2 x6 = x2;
+ x6 := vround (x6);
+ bot y6 = -d;
+
+ drawdot z6;
+enddef;
+
+fet_beginchar ("short fermata up", "ushortfermata");
+ draw_short_fermata;
+ labels (1, 2, 3, 4, 5, 6);
+fet_endchar;
+
+
+fet_beginchar ("short fermata down", "dshortfermata");
+ draw_short_fermata;
+ xy_mirror_char;
+fet_endchar;
+
+
+def draw_long_fermata =
+ save stemthick, beamheight, dot_size, wd;
+ save pat;
+ path pat;
+
+ wd# = 2.5 staff_space#;
+ stemthick = hround (1.5 linethickness);
+ beamheight = 0.3 staff_space + linethickness;
+ dot_size# = 0.266 staff_space# + 2.666 * linethickness#;
+ define_pixels (wd);
+ define_whole_blacker_pixels (dot_size);
+
+ set_char_box (wd# / 2, wd# / 2, 0, 3/2 staff_space#);
+
+ pickup pencircle scaled blot_diameter;
+
+ top y1 = h;
+ lft x1 = -b;
+
+ pat := top z1{left}
+ .. {down}lft z1;
+
+ pickup pencircle scaled stemthick;
+
+ x2 = -b + stemthick;
+ y2 = h - beamheight;
+ lft x3 = -b;
+ bot y3 = -d;
+
+ pat := pat
+ -- lft z3
+ .. bot z3
+ .. rt z3
+ -- z2;
+ pat := pat
+ -- reverse pat xscaled -1 shifted (-feta_eps, 0)
+ -- cycle;
+
+ fill pat;
+
+ pickup pencircle scaled dot_size;
+
+ x4 = 0;
+ bot y4 = -d;
+
+ drawdot z4;
+enddef;
+
+
+fet_beginchar ("long fermata up", "ulongfermata");
+ draw_long_fermata;
+ labels (1, 2, 3, 4);
+fet_endchar;
+
+
+fet_beginchar ("long fermata down", "dlongfermata");
+ draw_long_fermata;
+ y_mirror_char;
+fet_endchar;
+
+
+def draw_very_long_fermata =
+ save ibeamheight, obeamheight;
+ save ihwd, ohwd, iht, oht; % inner/outer half_width/height
+ save stemthick, dot_size;
+ save opat, ipat;
+ path opat, ipat;
+
+ ihwd# = 1.0 staff_space#;
+ ohwd# = 1.5 staff_space#;
+ iht# = 0.9 staff_space#;
+ oht# = 1.6 staff_space#;
+ define_pixels (ihwd, ohwd, iht, oht)
+
+ stemthick = hround (1.5 linethickness);
+ ibeamheight# = 0.3 staff_space#;
+ obeamheight# = 0.5 staff_space#;
+ define_pixels (ibeamheight, obeamheight);
+
+ dot_size# = (iht# - ibeamheight#) * 8/10;
+ define_whole_blacker_pixels (dot_size);
+
+ set_char_box (ohwd#, ohwd#, 0, oht#);
+
+ pickup pencircle scaled blot_diameter;
+
+ top y1 = oht;
+ lft x1 = -ohwd;
+ top y11 = iht;
+ lft x11 = -ihwd;
+
+ opat := top z1{left}
+ .. {down}lft z1;
+ ipat := top z11{left}
+ .. {down}lft z11;
+
+ pickup pencircle scaled stemthick;
+
+ x2 = -ohwd + stemthick;
+ y2 = oht - obeamheight;
+ lft x3 = -ohwd;
+ bot y3 = 0;
+ x12 = -ihwd + stemthick;
+ y12 = iht - ibeamheight;
+ lft x13 = -ihwd;
+ bot y13 = 0;
+
+ opat := opat
+ -- lft z3
+ .. bot z3
+ .. rt z3
+ -- z2;
+ opat := opat
+ -- reverse opat xscaled -1 shifted (-feta_eps, 0)
+ -- cycle;
+ ipat := ipat
+ -- lft z13
+ .. bot z13
+ .. rt z13
+ -- z12;
+ ipat := ipat
+ -- reverse ipat xscaled -1 shifted (-feta_eps, 0)
+ -- cycle;
+
+ fill opat;
+ fill ipat;
+
+ pickup pencircle scaled dot_size;
+
+ x4 = 0;
+ bot y4 = -d;
+
+ drawdot z4;
+enddef;
+
+
+fet_beginchar ("very long fermata up", "uverylongfermata");
+ draw_very_long_fermata;
+ labels (1, 2, 3, 11, 12, 13, 4);
+fet_endchar;
+
+
+fet_beginchar ("very long fermata down", "dverylongfermata");
+ draw_very_long_fermata;
+ y_mirror_char;
+fet_endchar;
+
+
+%
+% Thumbs are used in cello music.
+% TODO : thumbs should look like the finger-font and should be placed in
+% the same way in the score.
+%
+
+fet_beginchar ("Thumb", "thumb");
+ save thin, height, width, thick, depth;
+ height# = 5/4 width#;
+ height# = staff_space#;
+ depth# = 1.6 (height# / 2);
+
+ set_char_box (width# / 2, width# / 2, depth#, height# / 2);
+
+ define_pixels (height, width);
+
+ thin = .6 linethickness + 0.06 staff_space;
+ 2 thick + 0.5 (height - 2 thin) = width;
+
+ penpos1 (thick, 0);
+ penpos2 (thin, 90);
+ penpos3 (thick, 180);
+ penpos4 (thin, 270);
+ z1r = (w, 0);
+ z2r = (0, h);
+ z3r = (-w, 0);
+ z4r = (0, -h);
+
+ penlabels (1, 2, 3, 4);
+
+ penstroke z1e{up}
+ .. z2e{left}
+ .. z3e{down}
+ .. z4e{right}
+ .. cycle;
+
+ save brush_thick;
+ y5 = -d + brush_thick / 2;
+ brush_thick = 0.9 thick;
+ x5 = 0;
+
+ labels (5);
+
+ draw_brush (z4r, 1.4 thin, z5, brush_thick);
+fet_endchar;
+
+
+%
+% `\accent' is TeX reserved.
+%
+
+def draw_accent (expr bottom_left, top_right, thickness, diminish) =
+ save thinning_start;
+ thinning_start = 0.4;
+ pickup pencircle scaled thickness;
+
+ lft x1 = xpart bottom_left;
+ top y1 = ypart top_right;
+ lft x6 = xpart bottom_left;
+ bot y6 = ypart bottom_left;
+
+ rt z4 = (xpart top_right, (ypart top_right + ypart bottom_left) / 2);
+ x5 = x3 = thinning_start [xpart top_right, xpart bottom_left]
+ - linethickness + 0.1 staff_space;
+ z3 = whatever [z1, z4];
+ z5 = whatever [z6, z4];
+
+ penpos1 (thickness, angle (z3 - z1) + 90);
+ penpos3 (thickness, angle (z3 - z1) + 90);
+ penpos4 (thickness, 90);
+ penpos5 (thickness, angle (z6 - z5) + 90);
+ penpos6 (thickness, angle (z6 - z5) + 90);
+
+ x4 - x7 = diminish * thickness;
+ y7 = y4;
+
+ fill z1l
+ -- z3l
+ -- z7
+ -- z5l
+ -- z6l
+ .. lft z6{down}
+ .. bot z6
+ .. z6r
+ -- z4l
+ ..tension 0.8.. rt z4
+ ..tension 0.8.. z4r
+ -- z1r
+ .. top z1
+ .. lft z1{down}
+ .. cycle;
+enddef;
+
+
+fet_beginchar ("> accent", "sforzato");
+ set_char_box (.9 staff_space#, .9 staff_space#,
+ .5 staff_space#, .5 staff_space#);
+
+ draw_accent ((-w, -d), (w, h),
+ 0.05 staff_space + linethickness, 0.7);
+ penlabels (1, 3, 4, 5, 6);
+ labels (7);
+fet_endchar;
+
+
+fet_beginchar ("espr", "espr");
+ set_char_box (1.9 staff_space#, 1.9 staff_space#,
+ .5 staff_space#, .5 staff_space#);
+
+ draw_accent ((w - 1.78 staff_space, -d), (w, h),
+ 0.05 staff_space + linethickness, 0.6);
+ addto currentpicture also currentpicture xscaled -1;
+fet_endchar;
+
+
+fet_beginchar ("staccato dot", "staccato");
+ save radius;
+ radius# = 0.20 * staff_space#;
+ define_whole_pixels (radius);
+
+ pickup pencircle scaled 2 radius;
+ drawdot (0, 0);
+
+ set_char_box (radius#, radius#, radius#, radius#);
+fet_endchar;
+
+
+def draw_staccatissimo =
+ save radius, height;
+ height# = .8 staff_space#;
+ radius# = linethickness# + .1 staff_space#;
+ define_whole_blacker_pixels (radius);
+ define_pixels (height);
+
+ draw_brush ((0, 0), linethickness, (0, height), 2 radius);
+
+ set_char_box (radius#, radius#,
+ blot_diameter# / 2, height# + radius#);
+enddef;
+
+
+fet_beginchar ("staccatissimo/martellato up", "ustaccatissimo");
+ draw_staccatissimo;
+fet_endchar;
+
+
+fet_beginchar ("staccatissimo/martellato down", "dstaccatissimo");
+ draw_staccatissimo;
+ y_mirror_char;
+fet_endchar;
+
+
+fet_beginchar ("portato/single tenuto", "tenuto");
+ save thick;
+ thick# = 1.6 linethickness#;
+ define_whole_blacker_pixels (thick);
+
+ set_char_box (.6 staff_space#, .6 staff_space#,
+ thick# / 2, thick# / 2);
+
+ draw_rounded_block ((-b, -thick / 2), (w, thick / 2), thick);
+fet_endchar;
+
+
+def draw_portato =
+ save thick, dot_size;
+ thick# = 1.4 linethickness#;
+ dot_size# = 2.4 linethickness# + 0.08 staff_space#;
+ define_whole_blacker_pixels (thick, dot_size);
+
+ set_char_box (.6 staff_space#, .6 staff_space#,
+ thick# / 2, .5 staff_space# + .5 dot_size#);
+
+ draw_rounded_block ((-b, -thick / 2), (w, thick / 2), thick);
+
+ pickup pencircle scaled dot_size;
+ drawdot (0, h);
+enddef;
+
+
+fet_beginchar ("portato/tenuto with staccato", "uportato");
+ draw_portato;
+fet_endchar;
+
+
+fet_beginchar ("portato/tenuto with staccato", "dportato");
+ draw_portato;
+ y_mirror_char
+fet_endchar;
+
+
+def draw_marcato =
+ save fat_factor, thinness;
+ save left_dist, right_dist, ne, se;
+ pair left_dist, right_dist, ne, se;
+
+ set_char_box (staff_space# / 2, staff_space# / 2,
+ 0, 1.1 staff_space#);
+
+ fat_factor = .3;
+ thinness = linethickness;
+
+ pickup pencircle scaled thinness;
+
+ rt x2 = w;
+ lft x5 = -b;
+ bot y5 = 0;
+ top y3 = h;
+ y1 = y2 = y5;
+
+ x3 =0;
+ z1 - z4 = whatever * (charwd, -charht);
+ z4 = fat_factor [z3, z5];
+
+ ne = unitvector (z3 - z5);
+ se = unitvector (z2 - z3);
+
+ left_dist = (ne rotated 90) * 0.5 thinness;
+ right_dist = (se rotated 90) * 0.5 thinness;
+
+ fill bot z5{right}
+ .. (z5 - left_dist){ne}
+ -- (((z5 - left_dist) -- (z3 - left_dist)) intersectionpoint
+ ((z1 - right_dist) -- (z4 - right_dist)))
+ -- (z1 - right_dist){se}
+ .. bot z1{right}
+ -- bot z2{right}
+ .. (z2 + right_dist){-se}
+ -- (z3 + right_dist){-se}
+ .. top z3
+ .. (z3 + left_dist){-ne}
+ -- (z5 + left_dist){-ne}
+ .. cycle;
+enddef;
+
+
+fet_beginchar ("marcato up", "umarcato");
+ draw_marcato;
+ labels (1, 2, 3, 4, 5);
+fet_endchar;
+
+
+%
+% The down marcato char (not very much used).
+% Contrary to what some MF/TeX `gurus' believe
+% it is *point*-symmetric with the "up" version
+%
+
+fet_beginchar ("marcato down", "dmarcato");
+ draw_marcato;
+ xy_mirror_char;
+fet_endchar;
+
+
+%
+% used in french horn music todo
+%
+% TODO: too light at 20pt
+%
+
+fet_beginchar ("open (unstopped)", "open");
+ save thin, height, width, thick;
+
+ height# = 5/4 width#;
+ height# = staff_space#;
+ thin = .6 linethickness + 0.06 staff_space;
+
+ set_char_box (width# / 2, width# / 2, height# / 2, height# / 2);
+
+ define_pixels (width, height);
+
+ 2 thick + 0.6 (height - 2 thin) = width;
+
+ penpos1 (thick, 0);
+ penpos2 (thin, 90);
+ penpos3 (thick, 180);
+ penpos4 (thin, 270);
+ z1r = (w, 0);
+ z2r = (0, h);
+ z3r = (-w, 0);
+ z4r = (0, -h);
+
+ penlabels (1, 2, 3, 4);
+
+ penstroke z1e{up}
+ .. z2e{left}
+ .. z3e{down}
+ .. z4e{right}
+ .. cycle;
+fet_endchar;
+
+
+fet_beginchar ("halfopen (unstopped)", "halfopen");
+ save thin, height, width, thick, factor, slash;
+
+ factor = 5/4;
+ height# = 5/4 width#;
+ height# = staff_space#;
+ thin = 0.6 linethickness + 0.06 staff_space;
+ slash# = 1.05 linethickness#;
+
+ set_char_box (width# / 2, width# / 2, height# / 2, height# / 2);
+
+ define_pixels (width, height, slash);
+
+ 2 thick + 0.6 (height - 2 thin) = width;
+
+ penpos1 (thick, 0);
+ penpos2 (thin, 90);
+ penpos3 (thick, 180);
+ penpos4 (thin, 270);
+ z1r = (w, 0);
+ z2r = (0, h);
+ z3r = (-w, 0);
+ z4r = (0, -h);
+
+ penlabels (1, 2, 3, 4);
+
+ penstroke z1e{up}
+ .. z2e{left}
+ .. z3e{down}
+ .. z4e{right}
+ .. cycle;
+
+ draw_brush ((-w * factor, -h * factor), slash,
+ (w * factor, h * factor), slash);
+fet_endchar;
+
+
+fet_beginchar ("plus (stopped)", "stopped");
+ save hthick, vthick, size, outer_hsize, outer_vsize;
+
+ hthick# = vthick# = 2 linethickness#;
+ size# = 1.1 staff_space#;
+ define_whole_blacker_pixels (vthick);
+ define_whole_vertical_blacker_pixels (hthick);
+
+ set_char_box (size# / 2, size# / 2, size# / 2, size# / 2);
+
+ outer_hsize = hround ((b + w - vthick) / 2);
+ outer_vsize = vround ((h + d - hthick) / 2);
+ w := b := (2 outer_hsize + vthick) / 2;
+ h := d := (2 outer_vsize + hthick) / 2;
+
+ draw_rounded_block ((-b, -d + outer_vsize),
+ (w, -d + outer_vsize + hthick), hthick);
+ draw_rounded_block ((-b + outer_hsize, -d),
+ (-b + outer_hsize + vthick, h), vthick);
+fet_endchar;
+
+
+fet_beginchar ("Upbow", "upbow");
+ save ht, wd, thick;
+
+ thick = 1.4 linethickness;
+ wd# = 1.3 staff_space#;
+ ht# = 1.6 wd#;
+
+ set_char_box (wd# / 2, wd# / 2, 0, ht#);
+
+ draw_accent ((-h, -w), (0, w), thick, 0.9);
+ currentpicture := currentpicture rotated -90;
+fet_endchar;
+
+
+fet_beginchar ("Downbow", "downbow");
+ save stemthick, beamheight, wd;
+ save pat;
+ path pat;
+
+ wd# = 1.5 staff_space#;
+ define_pixels (wd);
+
+ stemthick = hround (1.2 linethickness);
+
+ set_char_box (wd# / 2, wd# / 2, 0, 4/3 staff_space#);
+
+ beamheight = 4/10 h;
+
+ pickup pencircle scaled blot_diameter;
+
+ top y1 = h;
+ lft x1 = -b;
+
+ pat := top z1{left}
+ .. {down}lft z1;
+
+ pickup pencircle scaled stemthick;
+
+ x2 = -b + stemthick;
+ y2 = h - beamheight;
+ lft x3 = -b;
+ bot y3 = -d;
+
+ pat := pat
+ -- lft z3
+ .. bot z3
+ .. rt z3
+ -- z2;
+ pat := pat
+ -- reverse pat xscaled -1 shifted (-feta_eps, 0)
+ -- cycle;
+
+ fill pat;
+
+ labels (1, 2, 3);
+fet_endchar;
+
+%
+% Inspired by a computer-set version of Auf dem Strom by Baerenreiter.
+%
+
+def draw_turn =
+ save thin, thick, ball_diam, darkness;
+ save wd, ht, thick_nibangle, ball_nib_thick;
+ save turndir;
+ pair turndir;
+
+ wd# = 35/16 staff_space#;
+ ht# = 18/17 staff_space#;
+ darkness = 0.3 linethickness + 0.09 staff_space;
+
+ set_char_box (wd# / 2, wd# / 2, ht# / 2, ht# / 2);
+
+ thick_nibangle = 60;
+ thick = 3 darkness;
+ thin = darkness;
+ ball_nib_thick = 2.7 darkness;
+ ball_diam = ball_nib_thick + (h - ball_nib_thick) / 10;
+
+ x3l = w;
+ y3 = 0;
+ y4l = h;
+ x4 = x2;
+ x2l = w / 2;
+ y2l = -d;
+ z1 = (0,0);
+
+ penpos1 (1.1 thick, thick_nibangle);
+ penpos2 (thick, thick_nibangle);
+ penpos3 (thin, 180);
+ penpos4 (ball_nib_thick, -90);
+
+ path swoosh, ploop;
+ swoosh := z1l{curl 0}
+ .. z2l
+ .. z3l{up}
+ .. {left}z4l
+ -- z4r
+ .. z3r{down}
+ .. z2r{left};
+ fill swoosh
+ .. swoosh scaled -1 shifted (-feta_eps, -feta_eps)
+ .. cycle;
+
+ x5r = x4;
+ y5r = y4l - ball_diam / 2;
+ z6r = z5r;
+
+ penpos5 (1.6 ball_diam / 2, 10);
+ penpos6 (ball_diam / 2, 150);
+
+ ploop := z4l{left}
+ .. z5l
+ .. z6l
+ -- cycle;
+ fill ploop;
+ fill ploop scaled -1 shifted (-feta_eps, -feta_eps);
+enddef;
+
+
+fet_beginchar ("Reverse turn", "reverseturn");
+ draw_turn;
+ currentpicture := currentpicture yscaled -1;
+fet_endchar;
+
+
+fet_beginchar ("Turn", "turn");
+ draw_turn;
+ penlabels (1, 2, 3, 4, 5, 6, 7);
+fet_endchar;
+
+
+%
+% Inspired by a (by now) PD edition of Durand & C'ie edition of
+% Saint-Saens' Celloconcerto no. 1
+%
+% FIXME take out hardcoded vars.
+% FIXME the two loops on the `t' should be smoother (and the left one bigger).
+% FIXME generic macros for serifs: top of the t and bottom of r
+%
+
+fet_beginchar ("Trill (`tr')", "trill");
+ save start_nib_angle, ascender_extra, ex, hair_thick, fatness;
+ save slant, t_fatness, r_fatness, kerning, t_overshoot;
+ save uitschieter, bulb_size, krul_ang;
+ save u, v;
+
+ ascender_extra# = 1/2 ex#;
+ ascender# = ascender_extra# + ex#;
+ ex# = 1.4 staff_space#;
+ kerning# = 0.6 ex#;
+ start_nib_angle = 20;
+ bulb_size = 0.8;
+ define_pixels (ex, ascender_extra, ascender, kerning);
+
+ t_overshoot = 0.03 ex;
+ fatness = 12/40 ex;
+ t_fatness = 0.78 fatness;
+ t_width = 1.9 t_fatness;
+ r_fatness = 0.78 fatness;
+ uitschieter = 0.48 ex;
+ hair_thick = linethickness;
+ r_flare = .5 hair_thick + 0.25 r_fatness;
+ r_width = 2 r_fatness + 0.25 kerning;
+ slant = .2;
+
+ local_copy (transform)(currenttransform);
+ currenttransform := currenttransform slanted slant
+ shifted (-staff_space, 0);
+
+ set_char_box (.85 staff_space#, .85 staff_space#, 0, ascender#);
+
+ y1 = ascender;
+
+ % try to position in such a way that the center is the visual
+ % center
+
+ x1l = 0.2 staff_space;
+ x1r - x1l = t_fatness;
+ penpos1 (start_nib_wid, start_nib_angle);
+
+ z2 = (x1, 7/18 ex);
+ penpos2 (start_nib_wid, start_nib_angle);
+
+ z3l = (x2l + 0.5 t_width, - t_overshoot);
+
+ z4l = (x2l + t_width, 0.23 ex);
+ penpos4 (whatever, 180); % 200
+ x4l - x4r = hair_thick;
+
+ x3r = 0.5 [x4r, x2r];
+% 1.7 [x3l, x3r] = x4r;
+ y3r - y3l = 0.6 t_fatness;
+
+ save krul_p;
+ path krul_p;
+
+ krul_ang = 32;
+
+ pickup pencircle scaled hair_thick;
+
+ z5 = (x2l + t_fatness / 2, 2/3 ex);
+ lft x6 = x2l - uitschieter;
+ y6 = y5; % - 1/20 ex;
+ z7 = z5 + whatever * dir krul_ang;
+ up_angle = krul_ang; % = angle (z7-z5)
+ x7 = 5/10 kerning + x5;
+
+ krul_p := z4{up}
+ ..tension 0.98.. z5
+ .. z6
+ .. z5{z7 - z5}
+ -- z7;
+
+ z4' = point 0.85 of krul_p;
+ penpos4' (hair_thick, angle (direction 0.85 of krul_p) + 90);
+
+ % the body of the `t' and the bottom loop
+ fill z1r{dir (angle (z1l - z1r) + 30)}
+ .. z1l{-dir (angle (z1r - z1l) - 45)}
+ -- z2l{down}
+ ..tension (1 + .5 slant).. z3l{right}
+ .. z4l{up}
+ .. z4'l{direction 0.85 of krul_p}
+ -- z4'r{-direction 0.85 of krul_p}
+ .. z4r{down}
+ .. z3r{left}
+ ..tension (1.5 + .7 slant).. z2r{up}
+ -- cycle;
+
+ z5' = point 1.1 of krul_p;
+ penpos5' (hair_thick, angle (direction 1.1 of krul_p) + 90);
+ z5'' = point 1.5 of krul_p;
+ penpos5'' (hair_thick, angle (direction 1.5 of krul_p) + 90);
+ z5''' = point 1.8 of krul_p;
+ penpos5''' (hair_thick, angle (direction 1.8 of krul_p) + 90);
+ z6 = point 2 of krul_p;
+ penpos6 (hair_thick, angle (direction 2 of krul_p) + 90);
+ z6' = point 2.3 of krul_p;
+ penpos6' (hair_thick, angle (direction 2.3 of krul_p) + 90);
+ z6'' = point 2.6 of krul_p;
+ penpos6'' (hair_thick, angle (direction 2.6 of krul_p) + 90);
+ z6''' = point 2.9 of krul_p;
+ penpos6''' (hair_thick, angle (direction 2.9 of krul_p) + 90);
+ penpos7 (hair_thick, up_angle + 90);
+ z7' = point 3.2 of krul_p;
+ penpos7' (hair_thick, angle (direction 3.2 of krul_p) + 90);
+
+ % the left loop
+ penstroke z5'e{direction 1.1 of krul_p}
+ .. z5''e{direction 1.5 of krul_p}
+ .. z5'''e{direction 1.8 of krul_p}
+ .. z6e{direction 2 of krul_p}
+ .. z6'e{direction 2.3 of krul_p}
+ .. z6''e{direction 2.6 of krul_p}
+ .. {direction 2.9 of krul_p}z6'''e;
+
+ y9 = 3/4 ex;
+ x9 = x1 + kerning;
+ penpos9 (r_fatness, 0);
+
+ x10 = x9;
+ y10 = -0.3 linethickness;
+ penpos10 (r_fatness, 0);
+
+ penpos11 (hair_thick, -4);
+ z11r = z9r;
+
+ z13l = (x9l + r_width, y11 - linethickness);
+ penpos13 (r_flare, 180);
+
+ z15 = z13r - (bulb_size * r_fatness, 0);
+ z14 = 0.5 [z13l, z15] - (0, bulb_size * r_fatness);
+
+ save before, after;
+ path before, after;
+ before := z13l{up}
+ .. {down}z11l;
+ after := z9r{up}
+ .. z7r{z7' - z7}
+ -- z7'r;
+ (u, v) = before intersectiontimes after;
+
+ save before_bulb, after_bulb;
+ path before_bulb, after_bulb;
+ before_bulb := z9r{up}
+ ..tension 0.94.. z13r{down};
+ after_bulb := z13l{up}
+ ..tension 1.06.. z15{down};
+ (u_bulb, v_bulb) = before_bulb intersectiontimes after_bulb;
+
+ % the connection between `t' and `r', the body of the `r',
+ % and the bulb
+ fill z7'l
+ -- z7l{z7 - z7'}
+ .. z9l{down}
+ -- simple_serif (z10l, z10r, -30)
+ -- z9r{up}
+ .. subpath (0, u_bulb) of before_bulb
+ .. subpath (v_bulb, infinity) of after_bulb
+ .. z14
+ .. z13l{up}
+ .. subpath (0, u) of before
+ .. subpath (v, infinity) of after
+ -- cycle;
+
+ penlabels (range 1 thru 15);
+ penlabels (4', 5', 5'', 5''', 6', 6'', 6''', 7');
+fet_endchar;
+
+
+def draw_heel =
+ save radius, thickness;
+ save pat;
+ path pat;
+
+ radius# := .5 staff_space#;
+
+ set_char_box (radius#, radius#, radius#, 2/3 staff_space#);
+
+ thickness := hround (1.5 linethickness);
+
+ pickup pencircle scaled thickness;
+
+ rt x1 = b;
+ top y1 = h;
+
+ x2 =x1;
+ y2 = 0;
+
+ x3 = 0;
+ bot y3 = -d;
+
+ pat := top z3{right}
+ .. lft z2{up}
+ -- lft z1
+ .. top z1
+ .. rt z1
+ -- rt z2{down}
+ .. bot z3{left};
+ pat := pat
+ -- reverse pat xscaled -1 shifted (-feta_eps, 0)
+ -- cycle;
+ fill pat;
+enddef;
+
+
+fet_beginchar ("left heel", "upedalheel");
+ draw_heel;
+ labels (1, 2, 3);
+fet_endchar;
+
+
+fet_beginchar ("right heel", "dpedalheel");
+ draw_heel;
+ y_mirror_char;
+fet_endchar;
+
+
+def draw_toe =
+ save ht, wd, thickness;
+
+ thickness := 1.5 linethickness;
+ ht# := 1.5 staff_space#;
+ wd# := 1/3 ht#;
+ define_pixels (ht, wd);
+
+ set_char_box (wd#, wd#, 0, ht#);
+ draw_accent ((-h, -w), (0, w), thickness, 0.9);
+ currentpicture := currentpicture rotated -90;
+enddef;
+
+
+fet_beginchar ("left toe", "upedaltoe");
+ draw_toe;
+fet_endchar;
+
+
+fet_beginchar ("right toe", "dpedaltoe");
+ draw_toe;
+ y_mirror_char;
+fet_endchar;
+
+
+fet_beginchar ("Flageolet", "flageolet");
+ save height, width, thickness, superness;
+
+ height# = 4/15 staffsize#;
+ width# = height#;
+ thickness# = blot_diameter#;
+ define_pixels (height, width);
+ define_whole_blacker_pixels (thickness);
+
+ set_char_box (width# / 2, width# / 2, height# / 2, height# / 2);
+
+ penpos1 (thickness, 90);
+ penpos2 (thickness, 180);
+ penpos3 (thickness, 270);
+ penpos4 (thickness, 0);
+
+ x1 = 0;
+ y1r = h;
+ x4r = w;
+ x2r = -x4r;
+ y2 = 0;
+ y4 = y2;
+ x3 = x1;
+ y3r = -y1r;
+
+ penlabels (1, 2, 3, 4);
+
+ % mf doesn't handle pixel dropouts in outline objects, so we use
+ % `draw' if not called by mpost
+ if known miterlimit:
+ penstroke z1e
+ .. z2e
+ .. z3e
+ .. z4e
+ .. cycle;
+ else:
+ pickup pencircle scaled thickness;
+ draw z1
+ .. z2
+ .. z3
+ .. z4
+ .. cycle;
+ fi;
+fet_endchar;
+
+
+%
+% TODO: ARGRGHGH code dup.
+%
+
+fet_beginchar ("Segno", "segno");
+ save thin, thick, ball_diam, darkness, pointheight;
+ save wd, ht, thick_nibangle, ball_nib_thick;
+ save turndir;
+ pair turndir;
+
+ ht# = 3 staff_space#;
+ wd# = 2 staff_space#;
+ darkness = .08 staff_space + 0.4 linethickness;
+
+ set_char_box (wd# / 2, wd# / 2, ht# / 2, ht# / 2);
+
+ thick_nibangle = 30;
+ thick = 3 darkness;
+ thin = darkness;
+ ball_nib_thick = 2.7 darkness;
+ ball_diam = ball_nib_thick + (w - ball_nib_thick) / 10;
+ pointheight = 2 linethickness;
+
+ y3l = h;
+ 2 x3 = x2 + x4;
+ x4 = 0;
+ y4 = y2;
+ y2l = .6 h;
+ x2l = -b;
+ z1 = (0, 0);
+
+ penpos1 (thick, 2 thick_nibangle);
+ penpos2 (thick, thick_nibangle);
+ penpos3 (thin, -90);
+ penpos4 (ball_nib_thick, 180 - thick_nibangle);
+
+ save swoosh, ploop;
+ path swoosh, ploop;
+
+ swoosh := z1l{curl 0}
+ .. z2l
+ .. z3l{right}
+ .. {down}z4l
+ -- z4r
+ .. z3r{left}
+ .. z2r{down};
+ fill swoosh
+ .. (swoosh scaled -1)
+ .. cycle;
+
+ y5r = y4;
+ x5r = x4l - ball_diam / 2;
+ z6r = z5r;
+
+ penpos5 (1.6 ball_diam / 2, 100);
+ penpos6 (ball_diam / 2, 240);
+
+ ploop := z4l{down}
+ .. z5l
+ .. z6l
+ -- cycle;
+ fill ploop;
+ fill ploop scaled -1;
+
+ penpos7 (2 thin, 0);
+ z7l = (-b, -d);
+ penpos8 (2 thin, 0);
+ z8r = (w, h);
+
+ penstroke z7e
+ -- z8e;
+
+ pickup pencircle scaled 2 thin;
+ drawdot (-x2r, pointheight);
+ drawdot (x2r, -pointheight);
+
+ penlabels (range 1 thru 8);
+fet_endchar;
+
+
+fet_beginchar ("Varied Segno", "varsegno");
+ save ht, wd, loopdist, loopangle;
+ save thin, med, thick;
+ save bulbradius, center;
+ pair center;
+
+ ht# = 8 staff_space#;
+ wd# = 2.5 staff_space#;
+
+ set_char_box (wd# / 2, wd# / 2, ht# / 2, ht# / 2);
+ % set_char_box (0, 0, ht# / 2, ht# / 2);
+
+ loopdist = 4/3 staff_space;
+ loopangle = 35;
+
+ thick = 1/2 staff_space;
+ med = 1/4 staff_space;
+ thin = 1/10 staff_space;
+
+ x1 = staff_space;
+ y1 = 13/4 staff_space;
+ penpos1 (med, 210);
+
+ z2l = (0, 4 staff_space);
+ penpos2 (med, 270 - loopangle);
+
+ x3 = -x1;
+ y3 = y1 + 1/4 staff_space;
+ penpos3 (med, 270 + loopangle);
+
+ center = (0, 2 staff_space);
+ z4 = (3/4 staff_space, 2 staff_space)
+ rotatedabout (center, 180 - loopangle);
+ z5 = 2[z4, center];
+ x9 = x4;
+ y9 = y4 - 2 loopdist;
+ x10 = x5;
+ y10 = y5 - 2 loopdist;
+
+ penpos4 (thick, 90 - loopangle);
+ penpos5 (thick, 90 - loopangle);
+ penpos9 (thick, 90 - loopangle);
+ penpos10 (thick, 90 - loopangle);
+
+ z6 = (4/3 staff_space, 4/3 staff_space)
+ rotatedabout (2/3 center, -loopangle);
+ x11 = x6;
+ y11 = y6 - 2 loopdist;
+
+ penpos6 (thin, -loopangle);
+ penpos11 (thin, -loopangle);
+
+ z7 = 1/3 center;
+ penpos7 (thick, 270 - loopangle);
+
+ z8 = (4/3 staff_space, 0) rotated (180 - loopangle);
+ penpos8 (thin, -loopangle);
+
+ z12 = -center;
+ penpos12 (thick, 270 - loopangle);
+
+ z1' = 4/3[z1l, z1r];
+ bulbradius = length (z1l - z1');
+ pickup pencircle scaled 2 bulbradius;
+
+ save se_dir, nw_dir;
+ pair se_dir, nw_dir;
+ se_dir := dir -loopangle;
+ nw_dir := dir (180 - loopangle);
+
+ draw_bulb (-1, z1r, z1l, bulbradius, .8);
+
+ penstroke z1e
+ .. z2e
+ .. z3e
+ ... {se_dir}z4e
+ -- z5e{se_dir}
+ ... z6e
+ ... z7e{nw_dir}
+ ... z8e
+ ... {se_dir}z9e
+ -- z10e{se_dir}
+ ... z11e
+ ... {nw_dir}z12e;
+ addto currentpicture also currentpicture scaled -1;
+
+ penlabels (1, 1', 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12);
+ % draw_staff (-2, 2, 0);
+fet_endchar;
+
+
+fet_beginchar ("Coda", "coda");
+ save stickout, thin, thick, codawidth, codaheight;
+
+ stickout# = 0.35 staff_space#;
+ codawidth# = 2/3 staff_space#;
+ codaheight# = staff_space#;
+ define_pixels (codawidth, codaheight);
+
+ set_char_box (codawidth# + stickout#, codawidth# + stickout#,
+ codaheight# + stickout#, codaheight# + stickout#);
+
+ thin = 1.2 linethickness;
+ 0.1 (codaheight - 2 thin) = (codawidth - 2 thick);
+
+ penpos1 (thick, 0);
+ penpos2 (thin, -90);
+ penpos3 (thick, -180);
+ penpos4 (thin, -270);
+
+ x1l = -codawidth;
+ y2l = codaheight;
+ y1 = 0;
+ x2 = 0;
+ z3 = -z1;
+ z4 = -z2;
+
+ penlabels (1, 2, 3, 4);
+
+ fill z1l{up}
+ .. z2l{right}
+ .. z3l{down}
+ .. z4l{left}
+ .. cycle;
+ unfill z1r{up}
+ .. z2r{right}
+ .. z3r{down}
+ .. z4r{left}
+ .. cycle;
+
+ draw_gridline ((0, -h), (0, h), thin);
+ draw_gridline ((-w, 0), (w, 0), thin);
+fet_endchar;
+
+
+fet_beginchar ("Varied Coda", "varcoda");
+ save thin, thick, codawidth, codaheight;
+ thin# = 1.2 linethickness#;
+ thick# = 1.0 linethickness# + 0.25 staff_space#;
+ codawidth# = 2/3 staff_space#;
+ codaheight# = staff_space#;
+ define_pixels (thin, thick, codawidth, codaheight);
+
+ set_char_box (codawidth# + thick#, codawidth# + thick#,
+ codaheight# + thick#, codaheight# + thick#);
+
+ x1 = -codawidth + thick - .5 blot_diameter;
+ y1 = y2 - thin;
+ x2 = codawidth - thick + .5 blot_diameter;
+ y2 = codaheight;
+ draw_square_block (z1, z2);
+
+ x3 = -codawidth;
+ y3 = -codaheight;
+ x4 = x3 + thick;
+ y4 = y2;
+ draw_block (z3, z4);
+
+ labels (1, 2, 3, 4);
+
+ addto currentpicture also currentpicture scaled -1;
+
+ draw_gridline ((0, -h), (0, h), thin);
+ draw_gridline ((-w, 0), (w, 0), thin);
+fet_endchar;
+
+
+def draw_comma =
+ save alpha, thick, thin, ht;
+
+ alpha := 35;
+ thin# = 1.2 linethickness#;
+ thick# = 3 linethickness#;
+ ht# = .6 staff_space#;
+ define_pixels (thin, thick, ht);
+
+ set_char_box (0, .5 staff_space#, ht#, ht#);
+
+ penpos1 (thick, alpha);
+ penpos2 (thick, alpha + 90);
+ penpos3 (thin, 180 - alpha);
+ penpos4 (thin, 90 - alpha);
+
+ x3r = 0;
+ x1l = x3l;
+ y2r = -y4l = h;
+ z1 = z2;
+ z3 = z4;
+
+ fill z1l{dir (alpha + 90)}
+ .. z2r{dir alpha}
+ .. z1r{dir (alpha - 90)}
+ .. z3l{dir (270 - alpha)}
+ .. z4l{dir (180 - alpha)}
+ .. z3r{dir (90-alpha)}
+ .. cycle;
+enddef;
+
+
+fet_beginchar ("Right Comma", "rcomma");
+ draw_comma;
+ penlabels (1, 2, 3, 4);
+fet_endchar;
+
+
+fet_beginchar ("Left Comma", "lcomma");
+ draw_comma;
+ xy_mirror_char;
+fet_endchar;
+
+
+def draw_varcomma =
+ save thick, thin, ht, wd, alpha;
+
+ alpha := 35;
+ thin# = 1.2 linethickness#;
+ thick# = 3 linethickness#;
+ ht# = .6 staff_space#;
+ wd# = .25 staff_space#;
+ define_pixels (thin, thick, ht, alpha);
+
+ set_char_box (wd#, wd#, ht#, ht#);
+
+ z1 = (-b, -d);
+ z2 = (w, h);
+
+ draw_brush (z1, thin, z2, thick);
+enddef;
+
+
+fet_beginchar ("Right Varied Comma", "rvarcomma");
+ draw_varcomma;
+ labels (1, 2);
+fet_endchar;
+
+
+fet_beginchar ("Left Varied Comma", "lvarcomma");
+ draw_varcomma;
+ xy_mirror_char;
+fet_endchar;
+
+
+thick# := 1/24 designsize;
+define_blacker_pixels (thick);
+
+rthin := 0.075 * staff_space + 0.5 linethickness;
+rthick := 2 thick + rthin;
+
+
+def draw_arpeggio =
+ save alpha;
+ save ne, nw, se, sw;
+ save x, y;
+ pair ne, nw, se, sw;
+
+ alpha := -40;
+
+ nw = dir (alpha + 180);
+ ne = dir (alpha + 90);
+ se = dir alpha;
+ sw = dir (alpha - 90);
+
+ penpos1 (rthin, alpha + 90);
+ penpos2 (5/4 rthick, alpha);
+ penpos3 (3/4 rthick, alpha);
+ penpos4 (5/4 rthick, alpha);
+ penpos5 (rthin, alpha + 90);
+
+ z1 = (width / 2, height) - overshoot * se;
+ z2 = 2 [z4, (width / 2, height / 2)];
+ z3 = 1/2 [z2, z4];
+ x4 = 2/8 staff_space;
+ y4 = rthin;
+
+ z5 = 2 [z1, (width / 2, height / 2)];
+ z6 = z2l + 1/2 rthin * sw;
+ z7 = z4l + 1/2 rthin * sw + 1/2 rthin * se;
+ z8 = 2 [z6, (width / 2, height / 2)];
+ z9 = 2 [z7, (width / 2, height / 2)];
+
+ fill z1l{se}
+ -- z6
+ .. z3l
+ .. z7{se}
+ -- z5l
+ .. z5r{nw}
+ -- z8
+ .. z3r
+ .. z9{nw}
+ -- z1r
+ .. cycle;
+enddef;
+
+
+fet_beginchar ("Arpeggio", "arpeggio");
+ save height, overshoot, width;
+ height# = staff_space#;
+ width# = 0.8 height#;
+ overshoot# = 0.25 staff_space#;
+ define_pixels (height, overshoot, width);
+
+ set_char_box (0, width#, 0, height#);
+ draw_arpeggio;
+ penlabels (range 1 thru 9);
+
+ draw_staff (-2, 2, 0.0);
+fet_endchar;
+
+
+%
+% Extendable Trill symbol.
+% Not yet used
+% Rename me to Trill, rename Trill to Tr?
+%
+
+fet_beginchar ("Trill_element", "trill_element");
+ save height, overshoot;
+ height# = staff_space#;
+ width# = 0.8 height#;
+ overshoot# = 0.25 staff_space#;
+ define_pixels (height, overshoot, width);
+
+ set_char_box (0, height#, 0, width#);
+ draw_arpeggio;
+
+ currentpicture := currentpicture shifted -(width / 2, height / 2);
+ currentpicture := currentpicture rotated 90;
+ currentpicture := currentpicture shifted (height / 2, width / 2);
+fet_endchar;
+
+
+%
+% Arpeggio arrow by Chris Jackson <chris@fluffhouse.org.uk>
+%
+
+def draw_arpeggio_arrow =
+ save thinness, height, width, overshoot;
+ save nw, ne, se, sw;
+ save alpha;
+ save before_left, before_right, after_left, after_right;
+ save u_left, v_left, u_right, v_right;
+ pair nw, ne, se, sw;
+ path before_left, before_right, after_left, after_right;
+
+ height# = staff_space#;
+ width# = 0.8 height#;
+ overshoot# = 0.25 staff_space#;
+ define_pixels (height, overshoot, width);
+
+ set_char_box (0, width#, 0, height#);
+
+ alpha := -40;
+ nw = dir (alpha + 180);
+ ne = dir (alpha + 90);
+ se = dir alpha;
+ sw = dir (alpha - 90);
+
+ penpos1 (rthin, alpha + 90);
+ penpos2 (5/4 rthick, alpha);
+ penpos3 (5/4 rthick, 0);
+
+ z1 = (width / 2, height) - overshoot * se; % numbering is consistent
+ % with the arpeggio symbol
+ z2 = 2 [z4, (width / 2, height / 2)];
+ z3 = (0.5 width, 0.5 height);
+ z4 = (0.25 staff_space, rthin);
+ z6 = z2l + 1/2 rthin * sw;
+ z9 = (width / 2, height) + overshoot * se;
+
+ pickup pencircle scaled vround (0.5 rthin);
+
+ bot z10 = (0.5 w, 0);
+ lft z11 = (0.5 w - hround (0.8 w), 0.8 h);
+ rt z12 = (0.5 w + hround (0.8 w), 0.8 h);
+
+ before_left := z1l
+ -- z6{z6 - z1l}
+ .. {down}z3l;
+ after_left := (z3 + (0, -0.25 rthin / cosd (angle (nw))))
+ -- (z11 + 0.25 rthin * ne);
+ (u_left, v_left) = before_left intersectiontimes after_left;
+
+ before_right := (z12 + 0.25 rthin * nw)
+ -- (z3 + (0, -0.25 rthin / cosd (angle (nw))));
+ after_right := z3r{up}
+ .. z9{z1r - z9}
+ -- z1r;
+ (u_right, v_right) = before_right intersectiontimes after_right;
+
+ fill subpath (0, u_left) of before_left
+ .. subpath (v_left, infinity) of after_left
+ .. top z11
+ .. lft z11
+ .. {dir -50}(z11 + 0.25 rthin * sw)
+ .. (z10 + 0.25 rthin * sw){dir -70}
+ .. bot z10
+ .. {dir 70}(z10 + 0.25 rthin * se)
+ .. (z12 + 0.25 rthin * se){dir 50}
+ .. rt z12
+ .. top z12
+ .. subpath (0, u_right) of before_right
+ .. subpath (v_right, infinity) of after_right
+ .. cycle;
+
+ % mf doesn't handle pixel dropouts in outline objects, so we use
+ % `draw' if not called by mpost
+ if not known miterlimit:
+ pickup pencircle scaled 0.7 rthin;
+ draw z1
+ -- (z9 + 0.5 rthin * dir (alpha - 90));
+ fi;
+enddef;
+
+
+fet_beginchar ("Arpeggio arrow down", "arpeggio.arrow.M1");
+ draw_arpeggio_arrow;
+ penlabels (range 1 thru 12);
+fet_endchar;
+
+
+fet_beginchar ("Arpeggio arrow up", "arpeggio.arrow.1");
+ draw_arpeggio_arrow;
+ currentpicture := currentpicture scaled -1
+ shifted (w - feta_eps, h - feta_eps);
+fet_endchar;
+
+
+% Hmm
+input feta-trills;
+
+
+%
+% Railroad tracks. We define two variants of these -- both as slightly
+% tapered, comma-shaped curves and as two straight parallel slashes.
+%
+
+fet_beginchar ("Curved caesura", "caesura.curved");
+ save slant, space_between, clearance;
+ save alpha, pat;
+ save botthick, topthick;
+ save krom;
+ path pat;
+
+ botthick = 1.5 linethickness;
+ topthick = 2.5 linethickness;
+
+ pickup pencircle scaled botthick;
+
+ slant = 3.5;
+ space_between# = 0.6 staff_space#;
+ clearance# = 0.2 staff_space#;
+ height# = 1.2 staff_space#;
+
+ set_char_box (0, 2.0 staff_space#,
+ staff_space# - clearance#, height#);
+ define_pixels (clearance, height);
+ define_whole_pixels (space_between);
+
+ bot y1 = -d;
+ top y2 = h;
+
+ lft x1 = 0;
+ x2 = (y2 - y1) / slant;
+
+ krom = 10;
+
+ alpha = angle (z2 - z1);
+ penpos1 (botthick, alpha - krom);
+ penpos3 (botthick, alpha - krom + 90);
+
+ penpos2 (topthick, alpha + krom);
+ penpos4 (topthick, alpha + krom + 90);
+
+ z3 = z1;
+ z4 = z2;
+
+ penlabels (1, 2, 3, 4);
+
+ pat := z3r{(z1r - z1l)}
+ .. z4r{z2r-z2l}
+ .. z2r{z4l-z4r}
+ .. z4l{z2l-z2r}
+ .. z3l{z1l-z1r}
+ .. z1l{z3r-z3l}
+ .. cycle;
+ fill pat;
+ fill pat shifted (space_between, 0);
+fet_endchar;
+
+
+fet_beginchar ("Straight caesura", "caesura.straight");
+ save slant, space_between, clearance;
+ save thick, ne, pat;
+ path pat;
+ pair ne;
+
+ slant = 2.0;
+ thick = 2.88 linethickness;
+
+ space_between# = 0.56 staff_space#;
+ clearance# = 0.2 staff_space#;
+
+ set_char_box (0, 2.0 staff_space#,
+ staff_space# - clearance#, 1.2 staff_space#);
+ define_whole_pixels (space_between);
+
+ x1 = 0;
+ x2 = x1 + thick;
+ y1 = y2 = -d;
+
+ x3 = x4 + thick;
+ x4 = x1 + (h + d) / slant;
+ y3 = y4 = h;
+
+ ne = unitvector (z4 - z1);
+
+ z1a = z1 + blot_diameter * ne;
+ z1b = z1 + blot_diameter * right;
+ z2a = z2 + blot_diameter * ne;
+ z2b = z2 + blot_diameter * left;
+
+ z3a = z3 - blot_diameter * ne;
+ z3b = z3 + blot_diameter * left;
+ z4a = z4 - blot_diameter * ne;
+ z4b = z4 + blot_diameter * right;
+
+ pat = z1a{-ne}
+ .. {right}z1b
+ -- z2b{right}
+ .. {ne}z2a
+ -- z3a{ne}
+ .. {left}z3b
+ -- z4b{left}
+ .. {-ne}z4a
+ -- cycle;
+
+ fill pat;
+ fill pat shifted (space_between, 0);
+
+ labels(range 1 thru 4);
+ labels(1a, 1b, 2a, 2b, 3a, 3b, 4a, 4b);
+fet_endchar;
+
+
+fet_beginchar ("snap pizzicato (Bartok pizzicato)", "snappizzicato");
+ save height, width, thickness, superness;
+
+ height# = 4/15 staffsize#;
+ width# = height#;
+ thickness# = 1.3 linethickness#;
+ define_pixels (height, width);
+ define_whole_blacker_pixels (thickness);
+
+ set_char_box (width# / 2, width# / 2, height# / 2, height# * 3 / 4);
+
+ penpos1 (thickness, 90);
+ penpos2 (thickness, 180);
+ penpos3 (thickness, 270);
+ penpos4 (thickness, 0);
+
+ x1 = 0;
+ y1r = height / 2;
+ x3 = x1;
+ y3r = -y1r;
+ x4r = width / 2;
+ y4 = 0;
+ x2r = -x4r;
+ y2 = y4;
+
+ penlabels (1, 2, 3, 4);
+
+ % mf doesn't handle pixel dropouts in outline objects, so we use
+ % `draw' if not called by mpost
+ if known miterlimit:
+ penstroke z1e
+ .. z2e
+ .. z3e
+ .. z4e
+ .. cycle;
+ else:
+ pickup pencircle scaled thickness;
+ draw z1
+ .. z2
+ .. z3
+ .. z4
+ .. cycle;
+ fi;
+
+ z5 = (0, 0);
+ z6 = (x5, 1.5 y1r);
+
+ draw_gridline (z5, z6, thickness);
+
+ labels (5, 6);
+fet_endchar;
+
+fet_endgroup ("scripts");
projects / lilypond.git / blobdiff