+++ /dev/null
-% -*- Fundamental -*- (emacs-20 mf mode sucks)
-% feta-slag.mf -- implement trill symbols
-%
-% source file of the Feta (definitely not an abbreviation for Font-En-Tja)
-% music font
-%
-% (c) 1998--2009 Jan Nieuwenhuizen <janneke@gnu.org>
-%
-
-% this file is included by feta-scripts.mf
-
-trill_thin# = 0.1 staff_space# + 0.6 stafflinethickness#;
-trill_stemwidth# = trill_thin#;
-define_pixels (trill_thin);
-define_whole_blacker_pixels (trill_stemwidth);
-
-trill_thick = 1/2 staff_space;
-trill_overlap = 1/6 staff_space;
-
-trill_width# = 5/6 staff_space#;
-trill_height# = 1/2 staff_space#;
-define_pixels (trill_height);
-define_whole_pixels (trill_width);
-
-pair trill_ne;
-trill_ne := unitvector ((2, 3));
-
-
-%
-% The trill element sticks out on both the left and right side
-% of the normal bbox, so you can glue them together easily.
-%
-% `ending' is either 0 for none, 1 for left, or 2 for right.
-%
-
-def draw_trillelement (expr offset, ending) =
- clearxy;
-
-begingroup;
- save nw, pat, nw_dist, ne_dist;
- pair nw, nw_dist, ne_dist;
- path pat;
-
- pickup pencircle scaled trill_thin;
-
- x1 = -.5 trill_width;
- y1 = 0;
- z3 = whatever * trill_ne + z1;
- top y3 = vround trill_height;
- z2 = z3 - (trill_thick - trill_thin) * trill_ne;
-
- bot z3' = (top z3) scaled -1;
-
- nw = unitvector (z2 - z3');
- ne_dist = (nw rotated -90) * 0.5 trill_thin;
- nw_dist = (trill_ne rotated 90) * 0.5 trill_thin;
-
- z5 = whatever * trill_ne + (z1 - nw_dist);
- z5 = whatever * nw + (z3' - ne_dist);
-
- pat := z5
- -- (z1 - nw_dist){-trill_ne}
- -- (z1 + nw_dist){trill_ne}
- -- (z3 + nw_dist){trill_ne}
- .. top z3{right}
- .. (z3 + ne_dist){-nw};
- pat := pat
- -- pat scaled -1 shifted (-feta_eps, -feta_eps)
- -- cycle;
- pat := pat shifted (offset, 0);
- fill pat;
-
- z4 = z1 - trill_ne * trill_overlap;
- x4 := hround (x4 + 0.5 trill_thin) - 0.5 trill_thin;
-
- pat := (z4 - nw_dist){-trill_ne}
- .. bot z4{left}
- .. lft z4{up}
- .. (z4 + nw_dist){trill_ne}
- -- (z1 + nw_dist){trill_ne}
- -- (z1 - nw_dist){-trill_ne}
- -- cycle;
-
- if ending = 1:
- fill pat shifted (offset, 0);
- elseif ending = 2:
- pat := pat scaled -1 shifted (-feta_eps, -feta_eps);
- fill pat shifted (offset, 0);
- fi;
-endgroup;
-enddef;
-
-
-fet_beginchar ("trilelement", "trilelement");
- set_char_box (.5 trill_width#, .5 trill_width#,
- trill_height#, trill_height#);
-
- draw_trillelement (0, 0);
- labels (1, 2, 3, 3', 4, 5, 5');
-fet_endchar;
-
-
-fet_beginchar ("prall", "prall");
- set_char_box (trill_width#, trill_width#,
- trill_height#, trill_height#);
-
- draw_trillelement (-hround (.5 trill_width), 1);
- draw_trillelement (-hround (.5 trill_width) + trill_width, 2);
-fet_endchar;
-
-
-fet_beginchar ("mordent", "mordent");
- set_char_box (trill_width#, trill_width#,
- 4/3 trill_height#, 4/3 trill_height#);
-
- draw_trillelement (-hround (.5 trill_width), 1);
- draw_trillelement (-hround (.5 trill_width) + trill_width, 2);
-
- clearxy;
-
- pickup pencircle scaled trill_stemwidth;
-
- top y1 = h;
- bot y2 = -d;
- x1 = x2;
- x2 = 0;
-
- draw_gridline (z2, z1, trill_stemwidth);
-
- labels (1, 2);
-fet_endchar;
-
-
-fet_beginchar ("prallprall", "prallprall");
- set_char_box (1.5 trill_width#, 1.5 trill_width#,
- trill_height#, trill_height#);
-
- draw_trillelement (-trill_width, 1);
- draw_trillelement (0, 0);
- draw_trillelement (trill_width, 2);
-fet_endchar;
-
-
-fet_beginchar ("prallmordent", "prallmordent");
- set_char_box (1.5 trill_width#, 1.5 trill_width#,
- 4/3 trill_height#, 4/3 trill_height#);
-
- draw_trillelement (-trill_width, 1);
- draw_trillelement (0, 0);
- draw_trillelement (trill_width, 2);
-
- clearxy;
-
- pickup pencircle scaled trill_stemwidth;
-
- top y1 = h;
- bot y2 = -d;
- x1 = x2 ;
- x2 = good.x (.5 trill_width);
-
- draw_gridline (z2, z1, trill_stemwidth);
-
- labels (1, 2);
-fet_endchar;
-
-
-save remember_pic;
-picture remember_pic;
-
-
-fet_beginchar ("upprall", "upprall");
- set_char_box (1.5 trill_width#, 1.5 trill_width#,
- trill_height#, trill_height#);
-
- draw_trillelement (-trill_width, 1);
- draw_trillelement (0, 0);
- draw_trillelement (trill_width, 2);
-
- z11 = z4 shifted (-trill_width, 0);
- z12 = z11 + (0, -2 trill_height);
-
- penpos11 (trill_thin, angle (trill_ne) - 90);
- penpos12 (trill_thin, angle (trill_ne yscaled -1) + 90);
- penlabels (11, 12);
-
- pickup pencircle scaled trill_stemwidth;
-
- fill z11l{-trill_ne}
- .. z12l{trill_ne yscaled -1}
- .. bot z12
- .. rt z12
- .. z12r{-trill_ne yscaled -1}
- .. z11r{trill_ne}
- -- cycle;
-
- remember_pic := currentpicture;
-fet_endchar;
-
-
-fet_beginchar ("upmordent", "upmordent");
- set_char_box (1.5 trill_width#, 1.5 trill_width#,
- 4/3 trill_height#, 4/3 trill_height#);
-
- currentpicture := remember_pic;
-
- clearxy;
-
- pickup pencircle scaled trill_stemwidth;
-
- top y1 = h;
- bot y2 = -d;
- x1 = x2;
- x2 = good.x (.5 trill_width);
-
- draw_gridline (z2, z1, trill_stemwidth);
-
- labels (1, 2);
-fet_endchar;
-
-
-fet_beginchar ("pralldown", "pralldown");
- set_char_box (1.5 trill_width#, 1.5 trill_width#,
- trill_height#, trill_height#);
-
- currentpicture := remember_pic xscaled -1;
-fet_endchar;
-
-
-fet_beginchar ("downprall", "downprall");
- set_char_box (1.5 trill_width#, 1.5 trill_width#,
- trill_height#, trill_height#);
-
- draw_trillelement (-trill_width, 1);
- draw_trillelement (0, 0);
- draw_trillelement (trill_width, 2);
-
- z11 = z4 shifted (-trill_width, 0);
- z12 = z11 + (0, 2 trill_height);
-
- penpos11 (trill_thin, angle (trill_ne xscaled -1) - 90);
- penpos12 (trill_thin, angle (trill_ne) - 90);
- penlabels (11, 12);
-
- pickup pencircle scaled trill_stemwidth;
-
- fill z11l{trill_ne xscaled -1}
- .. z12l{trill_ne}
- .. top z12
- .. rt z12
- .. z12r{-trill_ne}
- .. z11r{-trill_ne xscaled -1}
- -- cycle;
-
- remember_pic := currentpicture;
-fet_endchar;
-
-
-fet_beginchar ("downmordent", "downmordent");
- set_char_box (1.5 trill_width#, 1.5 trill_width#,
- 4/3 trill_height#, 4/3 trill_height#);
-
- currentpicture := remember_pic;
-
- clearxy;
-
- pickup pencircle scaled trill_stemwidth;
-
- top y1 = h;
- bot y2 = -d;
- x1 = x2;
- x2 = good.x (.5 trill_width);
-
- draw_gridline (z2, z1, trill_stemwidth);
-
- labels (1, 2);
-fet_endchar;
-
-
-fet_beginchar ("prallup", "prallup");
- set_char_box (1.5 trill_width#, 1.5 trill_width#,
- trill_height#, trill_height#);
-
- currentpicture := remember_pic xscaled -1;
-fet_endchar;
-
-
-fet_beginchar ("lineprall", "lineprall");
- set_char_box (1.5 trill_width#, 1.5 trill_width#,
- trill_height#, 4 trill_height#);
-
- draw_trillelement (-trill_width, 1);
-
- labels (1, 2, 3, 3', 4, 5, 5');
-
- pickup pencircle scaled trill_stemwidth;
-
- penpos10 (trill_stemwidth, 0);
- penpos11 (trill_stemwidth, 0);
-
- x10l = x4 - .5 trill_thin - trill_width;
- y10 = y4;
- z11 = z10 + (0, h);
-
- penlabels (10, 11);
-
- fill z11l
- .. top z11
- .. z11r
- -- z10r
- -- z10l
- -- cycle;
-
- draw_trillelement (0, 0);
- draw_trillelement (trill_width, 2);
-fet_endchar;
projects / lilypond.git / blobdiff