Imported Upstream version 2.14.2

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

diff --git a/mf/feta-timesignatures.mf b/mf/feta-timesignatures.mf
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+% Feta (not the Font-En-Tja) music font --  implement Time Signatures
+% This file is part of LilyPond, the GNU music typesetter.
+%
+% Copyright (C) 1998--2011 Mats Bengtsson <matsb@s3.kth.se>,
+%               Christian Mondrup <scancm@biobase.dk>
+%
+% 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 ("timesig");
+
+
+%
+% Originally by Mats B. nuked by Han-Wen, inspired by
+% Baerenreiter BA320 (Bach Cello Suites, Suite III).
+%
+% Notes:
+%
+%  * The inside curve of the C is rather straight.
+%  * The outside curve of the C is rather round.
+%  * Right tips of the C point slightly outward.
+%  * Lower tip protrudes to the right very slightly.
+%
+
+def draw_C =
+       save hair, bulb_rad, left_fatness;
+       save left_width, right_width;
+       save width, lower_offset;
+
+       width# := 1.8 staff_space# - stafflinethickness#;
+
+       left_width := 1.0 staff_space;
+       right_width := 0.8 staff_space;
+
+       hair := stafflinethickness;
+
+       bulb_rad := 0.40 staff_space - .6 stafflinethickness;
+       left_fatness := 0.55 * staff_space;
+       lower_offset := 0.3 stafflinethickness;
+
+       set_char_box (0, width#, staff_space#, staff_space#);
+
+       d := d - feta_shift;
+
+       x1r = w;
+       x3r = 0;
+       y1r = .45 h;
+       y2r = h + vround (.5 stafflinethickness_rounded);
+       y4r = -d - vround (.5 stafflinethickness_rounded);
+       x2 = x4;
+       x2 = x3r + h;
+       y3r = .5 (h - d);
+
+       x5r = x1r + lower_offset;
+       y5r = -0.37 h;
+
+       penpos1 (hair, 10);
+       penpos2 (stafflinethickness_rounded, 90);
+       penpos3 (left_fatness, 180);
+       penpos4 (stafflinethickness_rounded, -90);
+       penpos5 (hair, -13);
+
+       draw_bulb (-1, z1l, z1r, bulb_rad, .8);
+
+       save s;
+       s := 0.735;
+
+       fill z1l{dir (100)}
+            .. z2l{left}
+            ..tension 0.8.. z3l{down}
+            ..tension 0.8.. z4l{right}
+            .. simple_serif (z5l, z5r, -90)
+            .. z4r{left}
+            .. super_curvelet (z4r, z3r, s, -1)
+            .. z3r{up}
+            .. super_curvelet (z3r, z2r, s, 1)
+            .. z2r{right}
+            .. {dir (-80)}z1r
+            -- cycle;
+
+       penlabels (1, 2, 3, 4, 5);
+
+       draw_staff (-2, 2, 0);
+enddef;
+
+
+fet_beginchar ("4/4 meter", "C44");
+       draw_C;
+fet_endchar;
+
+
+fet_beginchar ("2/2 meter", "C22");
+       save eccentricity, top_stemlen, bottom_stemlen, thick, left_pos;
+
+       draw_C;
+
+       eccentricity = -1.75 stafflinethickness - 0.025 staff_space;
+       top_stemlen# = bottom_stemlen# = 1.4 staff_space#;
+       thick# = stafflinethickness# + 0.05 staff_space#;
+       define_whole_pixels (top_stemlen, bottom_stemlen);
+       define_whole_blacker_pixels (thick);
+
+       bottom_stemlen := bottom_stemlen - feta_shift;
+
+       draw_block ((x2 + eccentricity, -bottom_stemlen),
+                   (x2 + eccentricity + thick, top_stemlen));
+fet_endchar;
+
+fet_endgroup ("timesig");