5 fet_beginfont("feta-braces", 16);
14 def abc_encode_int (expr i) =
16 abc_encode_int(i div 26)&char(65 + i mod 26)
22 message (abc_encode_int (26));
24 def draw_brace (expr height_sharp, width_sharp, slt_sharp) =
26 save pendir, height, width, thin, thick, slt;
28 height# := height_sharp;
29 width# := width_sharp;
32 fet_beginchar("brace number "&(decimal code), "brace"&abc_encode_int(code),
33 "brace"&abc_encode_int (code))
35 set_char_box (0, width#, height#/2, height#/2);
37 define_pixels (height, width, slt);
48 pendir = unitvector(x3 - x1, y3l/6 - y1);
49 penangle = angle pendir - 90;
50 penpos3(thin, penangle);
51 penpos2(thick, angle(z3 -z1) -90 );
52 penpos1(2/3 thin, penangle);
55 fill z2r .. simple_serif (z3r, z3l, 90)
56 .. z2l .. simple_serif (z1l, z1r, 90) ..cycle;
58 addto currentpicture also currentpicture yscaled -1;
64 save stafflinethickness;
67 stafflinethickness := 0.5pt#;
73 for i := 0 step 1 until font_count:
75 %% We can't store more than 64 (65?) height dimensions in a TFM
76 %% file, so we make small files.
78 for j := 0 step 1 until 63:
79 % message "l: "&decimal l;
80 % note: define_pixels (x) multiplies x by hppp,
81 % must never get bigger than infinity
82 y := min (y + increment, infinity/hppp - 1);
84 % x should be about one staff space, taking brace to have
85 % default height of 3 staffs, this yields height / 3 / 4 = 12
90 stafflinethickness := min (0.5pt#, y/150);
92 draw_brace (y, x, stafflinethickness);
97 fet_endfont("feta-braces");