Add '-dcrop' option to ps and svg backends

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

diff --git a/mf/feta-braces.mf b/mf/feta-braces.mf
index c486081a3c601aa64a0dd256f72ff1913ed69643..3fdfb12efb7b4a58fed1b440eefdda7514944235 100644 (file)
--- a/mf/feta-braces.mf
+++ b/mf/feta-braces.mf
@@ -1,13 +1,13 @@
 % Feta (not the Font-En-Tja) music font -- Staff braces
 % This file is part of LilyPond, the GNU music typesetter.
 %
-% Copyright (C) 1997--2009 Han-Wen Nienhuys <hanwen@xs4all.nl>
+% Copyright (C) 1997--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
 %                Jan Nieuwenhuizen <janneke@gnu.org>
 %
-% LilyPond is free software: you can redistribute it and/or modify
+% The LilyPond font 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.
+% (at your option) any later version, or under the SIL Open Font License.
 %
 % LilyPond is distributed in the hope that it will be useful,
 % but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -17,49 +17,11 @@
 % You should have received a copy of the GNU General Public License
 % along with LilyPond.  If not, see <http://www.gnu.org/licenses/>.
 
-
-% 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
-
-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.
 %
 
-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;
@@ -90,11 +52,11 @@ def draw_brace (expr height_sharp, width_sharp, slt_sharp, brace_number) =
                y0 = y1;
                x0 = x1 - 2/6 thin;
 
-               pendir = unitvector (x3 - x1, y3l / 6 - y1);
+               pendir = unitvector (x3 - x1, y3l / 8 - y1);
                penangle = angle pendir - 90;
                penpos3 (thin, penangle);
                penpos2 (thick, angle (z3 - z1) - 90);
-               penpos1 (2/3 thin, penangle);
+               penpos1 (-2 * (x0 - x1), penangle);
 
                penlabels (1, 2, 3);
                labels (0);
@@ -116,11 +78,21 @@ def draw_brace (expr height_sharp, width_sharp, slt_sharp, brace_number) =
 enddef;
 
 
-save stafflinethickness;
+save linethickness;
 save increment;
+save last_brace_number;
+save min_width;
+save max_width;
+save min_thin;
+save max_thin;
 
 linethickness := 0.5 pt#;
 increment := 0.5 pt#;
+last_brace_number := braces_per_font * 9 - 1;
+min_width := 2 pt#;
+max_width := 20 pt#;
+min_thin := 0.2 pt#;
+max_thin := 1.25 pt#;
 y := 10 pt#;
 
 for i := 0 step 1 until font_count:
@@ -139,13 +111,10 @@ for i := 0 step 1 until font_count:
                        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;
+               x := (y / last_brace_number) [min_width, max_width];
 
                increment := x / 10;
-               linethickness :=  min (0.5 pt#, y / 150);
+               linethickness := (y / last_brace_number) [min_thin, max_thin];
                if i = font_count:
                        draw_brace (y, x, linethickness, number);
                fi;
@@ -153,5 +122,3 @@ for i := 0 step 1 until font_count:
                number := number + 1;
        endfor;
 endfor;
-
-fet_endfont ("feta-braces");