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% Feta (not the Font-En-Tja) music font -- small ties
% This file is part of LilyPond, the GNU music typesetter.
%
% Copyright (C) 2011--2012 Bertrand Bordage <bordage.bertrand@gmail.com>
%
% 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 ("ties");
save min_width, max_width, min_height, max_height, thin, thick;
min_width:= .5 staff_space#;
max_width:= 5 staff_space#;
min_height := .2 staff_space#;
max_height := .4 staff_space#;
thin := 1.2 linethickness;
thick := 2 linethickness;
def draw_lyric_tie (expr width_sharp) =
save padding, angularity, width, height, depth;
padding# := .4 staff_space#;
angularity := 2.5;
width# := max (min (width_sharp, max_width), min_width);
height# := (max (width# - min_width, 0) / (max_width - min_width))
[min_height, max_height];
depth# := padding# + height#;
set_char_box (0, 0, depth#, 0);
define_pixels (width, padding);
z1 = (-width / 2, -padding);
z2 = (0, -d);
z3 = (width / 2, -padding);
penpos1 (thin, angularity * angle (z2 - z1) + 90);
penpos2 (thick, 90);
penpos3 (thin, angularity * angle (z3 - z2) + 90);
fill z2l
.. simple_serif (z3l, z3r, 90)
.. z2r
.. simple_serif (z1r, z1l, 90)
.. cycle;
penlabels (1, 2, 3);
enddef;
fet_beginchar ("Short lyric tie", "lyric.short");
draw_lyric_tie (1.25 staff_space#);
fet_endchar;
fet_beginchar ("Default lyric tie", "lyric.default");
draw_lyric_tie (1.75 staff_space#);
fet_endchar;
fet_endgroup ("ties");
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