-%
-% feta-beugel.mf -- [Staff] braces
-%
+%
+% feta-beugel.mf -- Staff braces
+%
% source file of the Feta (not an acronym for Font-En-Tja)
% pretty-but-neat music font
-%
-% (c) 1997--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
+%
+% (c) 1997--2008 Han-Wen Nienhuys <hanwen@xs4all.nl>
% Jan Nieuwenhuizen <janneke@gnu.org>
+
+% We have to reduce the pixel-per-point value to
+% support large brace glyphs in case we are using MetaPost
+% (which by default sets `hppp' to 49.80244, regardless of
+% the used `mag' value)
+
+if known miterlimit:
+ bpppix_ := 0.2; % ten times larger than original
+
+ numeric mm, pt, dd, bp, cm, pc, cc, in;
+
+ mm * bpppix_ = 2.83464;
+ pt * bpppix_ = 0.99626;
+ dd * bpppix_ = 1.06601;
+ bp * bpppix_ = 1;
+ cm * bpppix_ = 28.34645;
+ pc * bpppix_ = 11.95517;
+ cc * bpppix_ = 12.79213;
+ in * bpppix_ = 72;
+
+ hppp := pt;
+ vppp := pt;
+fi;
+
+
input feta-autometric;
input feta-macros;
-staffsize# := 20 pt#; %% arbitrary.
+staffsize# := 20 pt#; %% arbitrary
input feta-params;
+%
+% We must let the design increase for each font to make sure that mftrace
+% doesn't jack up the resolution too highly for the longer braces.
+%
-% we must let the design increase for each
-% font to make sure that mftrace doesn't jack up the resolution too highly
-% for the longer braces.
-fet_beginfont ("feta-braces-" & char (97 + font_count), (font_count + 1) * 15,
- "fetaBraces");
+fet_beginfont ("feta-braces-" & char (97 + font_count),
+ (font_count + 1) * 20, "fetaBraces");
mode_setup;
-
save code, braces_per_font;
code := 64;
braces_per_font := 64;
def draw_brace (expr height_sharp, width_sharp, slt_sharp, brace_number) =
-
- save pendir, height, width, thin, thick, slt;
+ save pendir, height, width, thin, thick, slt, pat;
save penangle;
+ pair pendir;
+ path pat;
+
height# := height_sharp;
width# := width_sharp;
slt# := slt_sharp;
-%% +1 is needed because fet_beginchar increments after dumping the strings.
-fet_beginchar ("brace number " & (decimal (brace_number)),
- "brace" & decimal(brace_number))
+ fet_beginchar ("brace number " & decimal (brace_number),
+ "brace" & decimal (brace_number))
+ set_char_box (width#, 0, height# / 2, height# / 2);
- set_char_box (0, width#, height#/2, height#/2);
-
- define_pixels (height, width, slt);
- thin = 2 slt;
- thick = .5 width;
+ define_pixels (height, width, slt);
+ thin = 2 slt;
+ thick = .5 width;
- z2 = .5 [z1, z3];
- y3l = y1 + height/2;
- x3 = x1 + width;
- y1 =0;
- x3 = - width / 2;
-
- pair pendir;
- pendir = unitvector(x3 - x1, y3l/6 - y1);
- penangle = angle pendir - 90;
- penpos3(thin, penangle);
- penpos2(thick, angle(z3 -z1) -90 );
- penpos1(2/3 thin, penangle);
+ z2 = .5 [z1, z3];
+ y3l = y1 + height / 2;
+ x3 = x1 + width;
+ y1 = 0;
+ x1 = -b;
+ y0 = y1;
+ x0 = x1 - 2/6 thin;
+
+ pendir = unitvector (x3 - x1, y3l / 6 - y1);
+ penangle = angle pendir - 90;
+ penpos3 (thin, penangle);
+ penpos2 (thick, angle (z3 - z1) - 90);
+ penpos1 (2/3 thin, penangle);
- penlabels(1,2,3);
- fill z2r .. simple_serif (z3r, z3l, 90)
- .. z2l .. simple_serif (z1l, z1r, 90) ..cycle;
-
- addto currentpicture also currentpicture yscaled -1;
-fet_endchar;
+ penlabels (1, 2, 3);
+ labels (0);
+
+ pat := z2r
+ .. simple_serif (z3r, z3l, 90)
+ .. z2l
+ .. z1l{dir (angle (z1r - z1l) - 90)}
+ .. z0{down}
+ .. z1r{-dir (angle (z1l - z1r) + 90)}
+ .. cycle;
+ pat := subpath (0, 5) of pat
+ -- subpath (6, 7) of pat
+ .. cycle;
+
+ fill pat;
+ fill pat yscaled -1;
+ fet_endchar;
enddef;
-
save stafflinethickness;
save increment;
-linethickness := 0.5pt#;
-increment := 0.5pt#;
-y := 10pt#;
-
-
-
+linethickness := 0.5 pt#;
+increment := 0.5 pt#;
+y := 10 pt#;
for i := 0 step 1 until font_count:
-
- %% We can't store more than 64 (65?) height dimensions in a TFM
- %% file, so we make small files.
- save number;
-
- number := braces_per_font * i;
-
- for j := 0 step 1 until 63:
- % message "l: "&decimal l;
- % note: define_pixels (x) multiplies x by hppp,
- % must never get bigger than infinity
- y := y + increment;
- if y > infinity/hppp:
- message "Resolution and/or magnification is too high";
- error please report: <bug-lilypond@gnu.org>;
- fi
-
- % x should be about one staff space, taking brace to have
- % default height of 3 staffs, this yields height / 3 / 4 = 12
- % but 15 looks better
- x := y / 15;
-
- increment := x / 10;
- linethickness := min (0.5pt#, y/150);
- if i = font_count:
- draw_brace (y, x, linethickness, number);
- fi
- number := number + 1;
- endfor;
-endfor
-
-fet_endfont("feta-braces");
+ save number;
+
+ number := braces_per_font * i;
+
+ for j := 0 step 1 until (braces_per_font - 1):
+ % message "l: "&decimal l;
+ % note: define_pixels (x) multiplies x by hppp,
+ % must never get bigger than infinity
+ y := y + increment;
+ if y > infinity / hppp:
+ message "Resolution and/or magnification is too high";
+ message "HPPP: "& decimal hppp &" Y: " & decimal y;
+ errmessage "please report to <bug-lilypond@gnu.org>";
+ fi;
+
+ % x should be about one staff space, taking brace to have
+ % default height of 3 staffs, this yields height / 3 / 4 = 12
+ % but 15 looks better
+ x := y / 15;
+
+ increment := x / 10;
+ linethickness := min (0.5 pt#, y / 150);
+ if i = font_count:
+ draw_brace (y, x, linethickness, number);
+ fi;
+
+ number := number + 1;
+ endfor;
+endfor;
+
+fet_endfont ("feta-braces");
projects / lilypond.git / blobdiff