Imported Upstream version 2.16.0

[lilypond.git] / mf / feta-ties.mf

diff --git a/mf/feta-ties.mf b/mf/feta-ties.mf
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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");