% source file of the Feta (definitely not an abbreviation for Font-En-Tja)
% music font
%
-% (c) 1998--2004 Jan Nieuwenhuizen <janneke@gnu.org>
+% (c) 1998--2008 Jan Nieuwenhuizen <janneke@gnu.org>
%
% this file is included by feta-scripts.mf
trill_thin# = 0.1 staff_space# + 0.6 stafflinethickness#;
-trill_thick# = 1/2 staff_space#;
-trill_width# = 5/12 staff_space#;
+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#;
-trill_overlap# = 1/6 staff_space#;
+define_pixels (trill_height);
+define_whole_pixels (trill_width);
pair trill_ne;
trill_ne := unitvector ((2, 3));
-define_pixels (trill_thick, trill_thin,
- trill_width, trill_overlap, trill_height);
-
%
% 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) =
+def draw_trillelement (expr offset, ending) =
clearxy;
begingroup;
- save nw, p;
- pair nw;
- path p;
+ save nw, pat, nw_dist, ne_dist;
+ pair nw, nw_dist, ne_dist;
+ path pat;
pickup pencircle scaled trill_thin;
- x1 = -trill_width;
+ x1 = -.5 trill_width;
y1 = 0;
z3 = whatever * trill_ne + z1;
- top y3 = trill_height;
+ 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;
- x5 = x2;
- y5 = 0;
-
- z3' = z3 scaled -1;
- z5' = z5 scaled -1;
-
- nw := unitvector (z2 - z3');
-
- path p;
- p := z5
- --- (z4 - 0.5 trill_thin * nw)
- .. bot z4
- .. lft z4
- .. (z4 + 0.5 trill_thin * nw)
- --- (z3 + 0.5 trill_thin * nw)
- .. top z3
- .. (z3 + 0.5 trill_thin * trill_ne)
- --- z5';
- p := p
- & p scaled -1
- & cycle;
- p := p shifted (offset, 0);
- fill p;
+ 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 (trill_width#, trill_width#,
+fet_beginchar ("trilelement", "trilelement");
+ set_char_box (.5 trill_width#, .5 trill_width#,
trill_height#, trill_height#);
- draw_trillelement (0);
+ draw_trillelement (0, 0);
labels (1, 2, 3, 3', 4, 5, 5');
fet_endchar;
-fet_beginchar ("prall", "prall")
- set_char_box (2 trill_width#, 2 trill_width#,
+fet_beginchar ("prall", "prall");
+ set_char_box (trill_width#, trill_width#,
trill_height#, trill_height#);
- draw_trillelement (-trill_width);
- draw_trillelement (trill_width);
+ 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 (2 trill_width#, 2 trill_width#,
+fet_beginchar ("mordent", "mordent");
+ set_char_box (trill_width#, trill_width#,
4/3 trill_height#, 4/3 trill_height#);
- draw_trillelement (-trill_width);
- draw_trillelement (trill_width);
+ draw_trillelement (-hround (.5 trill_width), 1);
+ draw_trillelement (-hround (.5 trill_width) + trill_width, 2);
clearxy;
- pickup pencircle scaled trill_thin;
+
+ pickup pencircle scaled trill_stemwidth;
top y1 = h;
bot y2 = -d;
x1 = x2;
x2 = 0;
- draw_gridline (z2, z1, trill_thin);
+ draw_gridline (z2, z1, trill_stemwidth);
labels (1, 2);
fet_endchar;
-fet_beginchar ("prallprall", "prallprall")
- set_char_box (3 trill_width#, 3 trill_width#,
+fet_beginchar ("prallprall", "prallprall");
+ set_char_box (1.5 trill_width#, 1.5 trill_width#,
trill_height#, trill_height#);
- draw_trillelement (-2 trill_width);
- draw_trillelement (0);
- draw_trillelement (2 trill_width);
+ draw_trillelement (-trill_width, 1);
+ draw_trillelement (0, 0);
+ draw_trillelement (trill_width, 2);
fet_endchar;
-fet_beginchar ("prallmordent", "prallmordent")
- set_char_box (3 trill_width#, 3 trill_width#,
+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 (-2 trill_width);
- draw_trillelement (0);
- draw_trillelement (2 trill_width);
+
+ draw_trillelement (-trill_width, 1);
+ draw_trillelement (0, 0);
+ draw_trillelement (trill_width, 2);
clearxy;
- pickup pencircle scaled trill_thin;
+
+ pickup pencircle scaled trill_stemwidth;
top y1 = h;
bot y2 = -d;
x1 = x2 ;
- x2 = trill_width;
+ x2 = good.x (.5 trill_width);
- draw_gridline (z2, z1, trill_thin);
+ draw_gridline (z2, z1, trill_stemwidth);
labels (1, 2);
fet_endchar;
picture remember_pic;
-fet_beginchar ("upprall", "upprall")
- set_char_box (3 trill_width#, 3 trill_width#,
+fet_beginchar ("upprall", "upprall");
+ set_char_box (1.5 trill_width#, 1.5 trill_width#,
trill_height#, trill_height#);
- draw_trillelement (-2 trill_width);
- draw_trillelement (0);
- draw_trillelement (2 trill_width);
- clearxy;
+ draw_trillelement (-trill_width, 1);
+ draw_trillelement (0, 0);
+ draw_trillelement (trill_width, 2);
- z1 = (-b, 0) - trill_overlap * trill_ne;
- z2 = z1 + (0, -2 trill_height);
+ z11 = z4 shifted (-trill_width, 0);
+ z12 = z11 + (0, -2 trill_height);
- penpos1 (trill_thin, angle (trill_ne) - 90);
- penpos2 (trill_thin, angle (trill_ne yscaled -1) + 90);
- penlabels (1, 2);
+ penpos11 (trill_thin, angle (trill_ne) - 90);
+ penpos12 (trill_thin, angle (trill_ne yscaled -1) + 90);
+ penlabels (11, 12);
- pickup pencircle scaled trill_thin;
+ pickup pencircle scaled trill_stemwidth;
- fill z1l{-trill_ne}
- .. z2l{trill_ne yscaled -1}
- .. bot z2
- .. rt z2
- .. z2r{-trill_ne yscaled -1}
- .. z1r{trill_ne}
+ 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 (3 trill_width#, 3 trill_width#,
+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_thin;
+
+ pickup pencircle scaled trill_stemwidth;
top y1 = h;
bot y2 = -d;
- x1 = x2 ;
- x2 = trill_width;
+ x1 = x2;
+ x2 = good.x (.5 trill_width);
- draw_gridline (z2, z1, trill_thin);
+ draw_gridline (z2, z1, trill_stemwidth);
labels (1, 2);
fet_endchar;
-fet_beginchar ("pralldown", "pralldown")
- set_char_box (3 trill_width#, 3 trill_width#,
+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 (3 trill_width#, 3 trill_width#,
+fet_beginchar ("downprall", "downprall");
+ set_char_box (1.5 trill_width#, 1.5 trill_width#,
trill_height#, trill_height#);
- remember_pic := currentpicture;
-
- draw_trillelement (-2 trill_width);
- draw_trillelement (0);
- draw_trillelement (2 trill_width);
+ draw_trillelement (-trill_width, 1);
+ draw_trillelement (0, 0);
+ draw_trillelement (trill_width, 2);
- clearxy;
- z1 = (-b, 0) - trill_overlap * trill_ne;
- z2 = z1 + (0, 2 trill_height);
+ z11 = z4 shifted (-trill_width, 0);
+ z12 = z11 + (0, 2 trill_height);
- penpos1 (trill_thin, angle (trill_ne xscaled -1) - 90);
- penpos2 (trill_thin, angle (trill_ne) - 90);
- penlabels (1, 2);
+ penpos11 (trill_thin, angle (trill_ne xscaled -1) - 90);
+ penpos12 (trill_thin, angle (trill_ne) - 90);
+ penlabels (11, 12);
- pickup pencircle scaled trill_thin;
+ pickup pencircle scaled trill_stemwidth;
- fill z1l{trill_ne xscaled -1}
- .. z2l{trill_ne}
- .. top z2
- .. rt z2
- .. z2r{-trill_ne}
- .. z1r{-trill_ne xscaled -1}
+ 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 (3 trill_width#, 3 trill_width#,
+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_thin;
+
+ pickup pencircle scaled trill_stemwidth;
top y1 = h;
bot y2 = -d;
- x1 = x2 ;
- x2 = trill_width;
+ x1 = x2;
+ x2 = good.x (.5 trill_width);
- draw_gridline (z2, z1, trill_thin);
+ draw_gridline (z2, z1, trill_stemwidth);
labels (1, 2);
fet_endchar;
-fet_beginchar ("prallup", "prallup")
- set_char_box (3 trill_width#, 3 trill_width#,
+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 (3 trill_width#, 3 trill_width#,
+fet_beginchar ("lineprall", "lineprall");
+ set_char_box (1.5 trill_width#, 1.5 trill_width#,
trill_height#, 4 trill_height#);
- remember_pic := currentpicture;
+ draw_trillelement (-trill_width, 1);
- draw_trillelement (-2 trill_width);
- draw_trillelement (0);
- draw_trillelement (2 trill_width);
+ labels (1, 2, 3, 3', 4, 5, 5');
- clearxy;
- z1 = (-b, 0) - trill_overlap * trill_ne ;
- z2 = z1 + (0, h);
+ pickup pencircle scaled trill_stemwidth;
- labels (1, 2);
+ 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_gridline (z1, z2, trill_thin);
+ draw_trillelement (0, 0);
+ draw_trillelement (trill_width, 2);
fet_endchar;
projects / lilypond.git / blobdiff