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# Generate a font with glyphs which have vertical glyph representations (but
# don't include the vertical glyph representations itself). This is used by
# the perl script `makefdx.pl' to create an FDX file as used by the CJK
# package for LaTeX.
#
# The font is created in the current directory.
#
# $1: The master font (e.g., `bsmi00lp.ttf').
# $2: The name of the target font (e.g., `bsmilpvr').
# Copyright (C) 1994-2007 Werner Lemberg <wl@gnu.org>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program in doc/COPYING; if not, write to the Free
# Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
# MA 02110-1301 USA
if (Strtol($version) < 20071105)
Print("Can't use FontForge version before 2007-11-05. Aborting.";
Quit(1);
endif;
if ($argc != 3)
Print("usage: [fontforge -script] ", $0, " master-font fontname");
Quit(1);
endif;
Print("Loading ", $1, "...");
Open($1);
fontname = $2;
fullname = $fullname + " vertical reference";
copyright = $copyright \
+ Chr(10) + Chr(10) \
+ "Vertical glyph reference font version " \
+ Strftime("%F", 1, "C") \
+ ".";
SetFontNames(fontname, "", fullname, "", copyright, "");
lookups = GetLookups("GSUB");
i = 0;
result = -1;
while (i < SizeOf(lookups))
if (Strstr(lookups[i], "'vert'") >= 0)
result = i;
endif;
i++;
endloop;
if (result == -1)
Print("This font doesn't contain a GSUB table with a `vert' feature.");
Quit(1);
endif;
subtables = GetLookupSubtables(lookups[result]);
i = 0;
result = -1;
while (i < SizeOf(subtables))
if (Strstr(subtables[i], "'vert'") >= 0)
result = i;
endif;
i++;
endloop;
SelectByPosSub(subtables[result], 1);
SelectInvert();
DetachAndRemoveGlyphs();
Print("Ensure third order curves...");
SetFontOrder(3);
Print("Scaling to PostScript units...");
ScaleToEm(900, 100);
num_chars = CharCnt();
count = 0;
delta = 100;
while (count + delta < num_chars)
Print(count, "/", num_chars - 1, ":");
Select(count, count + delta);
Print(" Add extrema...");
AddExtrema();
Print(" Simplifying outlines...");
Simplify(0, 2);
count += delta;
endloop;
Print(count, "/", num_chars - 1, ":");
Select(count, num_chars - 1);
Print(" Add extrema...");
AddExtrema();
Print(" Simplifying outlines...");
Simplify(0, 2);
Reencode("original");
# generate AFM and TFM files, no PS hints, and rounded PS coordinates
Print("Generating font...");
Generate($2 + ".pfb", "", \
0x1 | 0x100 | 0x10000 | 0x80000 | 0x200000);
Quit(0);
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