% Feta (not the Font-En-Tja) music font -- draw accordion symbols
% This file is part of LilyPond, the GNU music typesetter.
%
-% Copyright (C) 1998--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
+% Copyright (C) 1998--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
%
-% LilyPond is free software: you can redistribute it and/or modify
+% The LilyPond font 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.
+% (at your option) any later version, or you can redistribute it under
+% the SIL Open Font License.
%
% LilyPond is distributed in the hope that it will be useful,
% but WITHOUT ANY WARRANTY; without even the implied warranty of
set_char_box (r# + accreg_linethickness# / 2,
r# + accreg_linethickness# / 2,
- 0, 2 r# + 0.7 accreg_linethickness#);
+ 0.7 accreg_linethickness# / 2,
+ 2 r# + 0.7 accreg_linethickness# / 2);
lh = vround (2/3 r);
lt = vround (0.7 accreg_linethickness);
-
- h := 3 lh + lt;
+ d := vround (0.7 accreg_linethickness / 2);
+ h := 3 lh + lt - d;
b := w := (3 lh + hround accreg_linethickness) / 2;
penpos1 (hround accreg_linethickness, 0);
penpos3 (hround accreg_linethickness, 180);
penpos4 (lt, 270);
- z1r = (w, h / 2);
+ z1r = (w, 0.5 [-d, h]);
z2r = (0, h);
- z3r = (-b, h / 2);
- z4r = (0, 0);
+ z3r = (-b, 0.5 [-d, h]);
+ z4r = (0, -d);
penlabels (1, 2, 3, 4);
pickup penrazor scaled lt rotated 90;
- top z5 = pat intersectionpoint ((0, lh + lt) -- (w, lh + lt));
+ top z5 = pat intersectionpoint ((0, lh + lt - d) -- (w, lh + lt - d));
z6 = z5 xscaled -1;
- bot z7 = pat intersectionpoint ((0, 2 lh) -- (w, 2 lh));
+ bot z7 = pat intersectionpoint ((0, 2 lh - d) -- (w, 2 lh - d));
z8 = z7 xscaled -1;
labels (5, 6, 7, 8);
set_char_box (r# + accreg_linethickness# / 2,
r# + accreg_linethickness# / 2,
- 0, 2 r# + 0.7 accreg_linethickness#);
+ 0.7 accreg_linethickness# / 2,
+ 2 r# + 0.7 accreg_linethickness# / 2);
lh = vround r;
lt = vround (0.7 accreg_linethickness);
-
- h := 2 lh + lt;
+ d := vround (0.7 accreg_linethickness / 2);
+ h := 2 lh + lt - d;
b := w := (2 lh + hround accreg_linethickness) / 2;
penpos1 (hround accreg_linethickness, 0);
penpos3 (accreg_linethickness, 180);
penpos4 (lt, 270);
- z1r = (w, h / 2);
+ z1r = (w, 0.5 [-d, h]);
z2r = (0, h);
- z3r = (-b, h / 2);
- z4r = (0, 0);
+ z3r = (-b, 0.5 [-d, h]);
+ z4r = (0, -d);
penlabels (1, 2, 3, 4);
set_char_box (r# + accreg_linethickness# / 2,
r# + accreg_linethickness# / 2,
- 0, 2 r# + 0.7 accreg_linethickness#);
+ 0.7 accreg_linethickness# / 2,
+ 2 r# + 0.7 accreg_linethickness# / 2);
lh = vround (1/2 r);
lt = vround (0.7 accreg_linethickness);
-
- h := 4 lh + lt;
+ d := vround (0.7 accreg_linethickness / 2);
+ h := 4 lh + lt - d;
b := w := (4 lh + hround accreg_linethickness) / 2;
penpos1 (hround accreg_linethickness, 0);
penpos3 (hround accreg_linethickness, 180);
penpos4 (lt, 270);
- z1r = (w, h / 2);
+ z1r = (w, 0.5 [-d, h]);
z2r = (0, h);
- z3r = (-b, h / 2);
- z4r = (0, 0);
+ z3r = (-b, 0.5 [-d, h]);
+ z4r = (0, -d);
penlabels (1, 2, 3, 4);
pickup penrazor scaled lt rotated 90;
- top z5 = pat intersectionpoint ((0, lh + lt) -- (w, lh + lt));
+ top z5 = pat intersectionpoint ((0, lh + lt - d) -- (w, lh + lt - d));
z6 = z5 xscaled -1;
- bot z7 = pat intersectionpoint ((0, 3 lh) -- (w, 3 lh));
+ bot z7 = pat intersectionpoint ((0, 3 lh - d) -- (w, 3 lh - d));
z8 = z7 xscaled -1;
labels (5, 6, 7, 8);
set_char_box (accreg_lh# + accreg_linethickness# / 2,
accreg_lh# + accreg_linethickness# / 2,
- 0, 3 accreg_lh# + accreg_linethickness#);
+ accreg_linethickness# / 2,
+ 3 accreg_lh# + accreg_linethickness# / 2);
- h := 3 lh + lt;
+ d := vround (accreg_linethickness# / 2);
+ h := 3 lh + lt - d;
- draw_rounded_block ((-w, 0), (-w + lt, h), lt);
- draw_rounded_block ((w - lt, 0), (w, h), lt);
+ draw_rounded_block ((-w, -d), (-w + lt, h), lt);
+ draw_rounded_block ((w - lt, -d), (w, h), lt);
pickup penrazor scaled lt rotated 90;
- bot z1 = (-w + lt / 2, 0);
- bot z2 = (-w + lt / 2, lh);
- bot z3 = (-w + lt / 2, 2 lh);
- bot z4 = (-w + lt / 2, 3 lh);
+ bot z1 = (-w + lt / 2, -d);
+ bot z2 = (-w + lt / 2, lh - d);
+ bot z3 = (-w + lt / 2, 2 lh - d);
+ bot z4 = (-w + lt / 2, 3 lh - d);
- bot z5 = (w - lt / 2, 0);
- bot z6 = (w - lt / 2, lh);
- bot z7 = (w - lt / 2, 2 lh);
- bot z8 = (w - lt / 2, 3 lh);
+ bot z5 = (w - lt / 2, -d);
+ bot z6 = (w - lt / 2, lh - d);
+ bot z7 = (w - lt / 2, 2 lh - d);
+ bot z8 = (w - lt / 2, 3 lh - d);
draw z1
-- z5;
x3 = x1;
bot y3 = 0;
- draw z1
- -- z2
- -- z3;
+ save nw_offset, ne_offset;
+ pair nw_offset, ne_offset;
+ save sw_offset, se_offset, line_radius;
+ pair sw_offset, se_offset;
+
+ line_radius := linewidth / 2;
+ nw_offset := line_radius * unitvector (z1 - z2);
+ ne_offset := nw_offset rotated -90;
+ sw_offset := line_radius * unitvector (z3 - z2);
+ se_offset := sw_offset rotated 90;
+
+ z4 = ((z1 - ne_offset)
+ -- (z2 - ne_offset))
+ intersectionpoint
+ ((z2 - se_offset)
+ -- (z3 - se_offset));
+
+ fill z1 + ne_offset
+ -- z2 + ne_offset
+ .. rt z2 {down}
+ .. z2 + se_offset
+ -- z3 + se_offset
+ .. z3 + sw_offset {- se_offset}
+ .. z3 - se_offset
+ -- z4
+ -- z1 - ne_offset
+ .. z1 + nw_offset {ne_offset}
+ .. cycle;
fet_endchar;