mftrace.py

   1 #!@PYTHON@
   2
   3 #
   4 # this file is part of mftrace - a tool to generate scalable fonts from MF sources
   5 #
   6
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License version 2
   9 # as published by the Free Software Foundation
  10 #
  11 # This program is distributed in the hope that it will be useful,
  12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 # GNU Library General Public License for more details.
  15 #
  16 # You should have received a copy of the GNU General Public License
  17 # along with this program; if not, write to the Free Software
  18 # Foundation, Inc.,
  19 # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  20
  21 # Copyright (c)  2001--2006 by
  22 #  Han-Wen Nienhuys, Jan Nieuwenhuizen
  23
  24 import string
  25 import os
  26 import optparse
  27 import sys
  28 import re
  29 import tempfile
  30 import shutil
  31
  32 prefix = '@prefix@'
  33 bindir = '@bindir@'
  34 datadir = '@datadir@'
  35 localedir = datadir + '/locale'
  36 libdir = '@libdir@'
  37 exec_prefix = '@exec_prefix@'
  38
  39 def interpolate (str):
  40     str = string.replace (str, '{', '(')
  41     str = string.replace (str, '}', ')s')
  42     str = string.replace (str, '$', '%')
  43     return str
  44
  45 if prefix != '@' + 'prefix@':
  46     exec_prefix = interpolate (exec_prefix) % vars ()
  47     bindir = interpolate (bindir) % vars ()
  48     datadir = os.path.join (interpolate (datadir) % vars (), 'mftrace')
  49     libdir = interpolate (libdir) % vars ()
  50
  51 if datadir == '@' + "datadir" + "@":
  52     datadir = os.getcwd ()
  53     bindir =  os.getcwd ()
  54
  55 sys.path.append (datadir)
  56
  57 import afm
  58 import tfm
  59
  60 errorport = sys.stderr
  61
  62 ################################################################
  63 # lilylib.py -- options and stuff
  64 #
  65 # source file of the GNU LilyPond music typesetter
  66
  67 try:
  68     import gettext
  69     gettext.bindtextdomain ('mftrace', localedir)
  70     gettext.textdomain ('mftrace')
  71     _ = gettext.gettext
  72 except:
  73     def _ (s):
  74         return s
  75
  76 def shell_escape_filename (str):
  77     str = re.sub ('([\'" ])', r'\\\1', str)
  78     return str
  79
  80 def identify (port):
  81     port.write ('%s %s\n' % (program_name, program_version))
  82
  83 def warranty ():
  84     identify (sys.stdout)
  85     sys.stdout.write ('\n')
  86     sys.stdout.write (_ ('Copyright (c) %s by' % ' 2001--2004'))
  87     sys.stdout.write ('\n')
  88     sys.stdout.write ('  Han-Wen Nienhuys')
  89     sys.stdout.write ('  Jan Nieuwenhuizen')
  90     sys.stdout.write ('\n')
  91     sys.stdout.write (_ (r'''
  92 Distributed under terms of the GNU General Public License.  It comes with
  93 NO WARRANTY.'''))
  94     sys.stdout.write ('\n')
  95
  96 def progress (s):
  97     errorport.write (s)
  98
  99 def warning (s):
 100     errorport.write (_ ("warning: ") + s)
 101
 102 def error (s):
 103     '''Report the error S and exit with an error status of 1.
 104
 105     RETURN VALUE
 106
 107     None
 108
 109     '''
 110
 111     errorport.write (_ ("error: ") + s + '\n')
 112     errorport.write (_ ("Exiting ...") + '\n')
 113     sys.exit(1)
 114
 115 temp_dir = None
 116 class TempDirectory:
 117     def __init__ (self, name=None):
 118         import tempfile
 119         if name:
 120             if not os.path.isdir (name):
 121                 os.makedirs (name)
 122             self.dir = name
 123         else:
 124             self.dir = tempfile.mkdtemp ()
 125
 126         os.chdir (self.dir)
 127
 128     def clean (self):
 129         import shutil
 130         shutil.rmtree (self.dir)
 131     def __del__ (self):
 132         self.clean ()
 133     def __call__ (self):
 134         return self.dir
 135     def __repr__ (self):
 136         return self.dir
 137     def __str__ (self):
 138         return self.dir
 139
 140 def setup_temp  (name):
 141     global temp_dir
 142     if not temp_dir:
 143         temp_dir = TempDirectory (name)
 144     return temp_dir ()
 145
 146 def popen (cmd, mode = 'r', ignore_error = 0):
 147     if options.verbose:
 148         progress (_ ("Opening pipe `%s\'") % cmd)
 149     pipe = os.popen (cmd, mode)
 150     if options.verbose:
 151         progress ('\n')
 152     return pipe
 153
 154 def system (cmd, ignore_error = 0):
 155     """Run CMD. If IGNORE_ERROR is set, don't complain when CMD returns non zero.
 156
 157     RETURN VALUE
 158
 159     Exit status of CMD
 160     """
 161
 162     if options.verbose:
 163         progress (_ ("Invoking `%s\'\n") % cmd)
 164     st = os.system (cmd)
 165     if st:
 166         name = re.match ('[ \t]*([^ \t]*)', cmd).group (1)
 167         msg = name + ': ' + _ ("command exited with value %d") % st
 168         if ignore_error:
 169             warning (msg + ' ' + _ ("(ignored)") + ' ')
 170         else:
 171             error (msg)
 172     if options.verbose:
 173         progress ('\n')
 174     return st
 175
 176 def strip_extension (f, ext):
 177     (p, e) = os.path.splitext (f)
 178     if e == ext:
 179         e = ''
 180     return p + e
 181
 182
 183 ################################################################
 184 # END Library
 185
 186
 187
 188 options = None
 189 exit_value = 0
 190 backend_options = ''
 191 program_name = 'mftrace'
 192 temp_dir = None
 193 program_version = '@VERSION@'
 194 origdir = os.getcwd ()
 195
 196 coding_dict = {
 197
 198     # from TeTeX
 199     'TeX typewriter text': '09fbbfac.enc', # cmtt10
 200     'TeX math symbols': '10037936.enc', # cmbsy
 201     'ASCII caps and digits': '1b6d048e', # cminch
 202     'TeX math italic': 'aae443f0.enc', # cmmi10
 203     'TeX extended ASCII': 'd9b29452.enc',
 204     'TeX text': 'f7b6d320.enc',
 205     'TeX text without f-ligatures': '0ef0afca.enc',
 206     'Extended TeX Font Encoding - Latin': 'tex256.enc',
 207
 208     # LilyPond.
 209     'fetaBraces': 'feta-braces-a.enc',
 210     'fetaNumber': 'feta-nummer10.enc',
 211     'fetaMusic': 'feta20.enc',
 212     'parmesanMusic': 'parmesan20.enc',
 213     }
 214
 215
 216 def find_file (nm):
 217     for d in include_dirs:
 218         p = os.path.join (d, nm)
 219         try:
 220             open (p)
 221             return os.path.abspath (p)
 222         except IOError:
 223             pass
 224
 225     p = popen ('kpsewhich %s' % shell_escape_filename (nm)).read ()
 226     p = p.strip ()
 227
 228     if options.dos_kpath:
 229         orig = p
 230         p = string.lower (p)
 231         p = re.sub ('^([a-z]):', '/cygdrive/\\1', p)
 232         p = re.sub ('\\\\', '/', p)
 233         sys.stderr.write ("Got `%s' from kpsewhich, using `%s'\n" % (orig, p))
 234     return p
 235
 236
 237 def flag_error ():
 238     global exit_value
 239     exit_value = 1
 240
 241 ################################################################
 242 # TRACING.
 243 ################################################################
 244
 245 def autotrace_command (fn, opts):
 246     opts = " " + opts + " --background-color=FFFFFF --output-format=eps --input-format=pbm "
 247     return options.trace_binary + opts + backend_options \
 248        + " --output-file=char.eps %s " % fn
 249
 250 def potrace_command (fn, opts):
 251     return options.trace_binary + opts \
 252         + ' -u %d ' % options.grid_scale \
 253         + backend_options \
 254         + " -q -c --eps --output=char.eps %s " % (fn)
 255
 256 trace_command = None
 257 path_to_type1_ops = None
 258
 259 def trace_one (pbmfile, id):
 260     """
 261     Run tracer, do error handling
 262     """
 263
 264     status = system (trace_command (pbmfile, ''), 1)
 265
 266     if status == 2:
 267         sys.stderr.write ("\nUser interrupt. Exiting\n")
 268         sys.exit (2)
 269
 270     if status == 0 and options.keep_temp_dir:
 271         shutil.copy2 (pbmfile, '%s.pbm' % id)
 272         shutil.copy2 ('char.eps', '%s.eps' % id)
 273
 274     if status != 0:
 275         error_file = os.path.join (origdir, 'trace-bug-%s.pbm' % id)
 276         shutil.copy2 (pbmfile, error_file)
 277         msg = """Trace failed on bitmap.  Bitmap left in `%s\'
 278 Failed command was:
 279
 280     %s
 281
 282 Please submit a bugreport to %s development.""" \
 283         % (error_file, trace_command (error_file, ''), options.trace_binary)
 284
 285         if options.keep_trying:
 286             warning (msg)
 287             sys.stderr.write ("\nContinuing trace...\n")
 288             flag_error ()
 289         else:
 290             msg = msg + '\nRun mftrace with --keep-trying to produce a font anyway\n'
 291             error (msg)
 292     else:
 293         return 1
 294
 295     if status != 0:
 296         warning ("Failed, skipping character.\n")
 297         return 0
 298     else:
 299         return 1
 300
 301 def make_pbm (filename, outname, char_number):
 302     """ Extract bitmap from the PK file FILENAME (absolute) using `gf2pbm'.
 303     Return FALSE if the glyph is not valid.
 304     """
 305
 306     command = "%s/gf2pbm -n %d -o %s %s" % (bindir, char_number, outname, filename)
 307     status = system (command, ignore_error = 1)
 308     return (status == 0)
 309
 310 def read_encoding (file):
 311     sys.stderr.write (_ ("Using encoding file: `%s'\n") % file)
 312
 313     str = open (file).read ()
 314     str = re.sub ("%.*", '', str)
 315     str = re.sub ("[\n\t \f]+", ' ', str)
 316     m = re.search ('/([^ ]+) \[([^\]]+)\] def', str)
 317     if not m:
 318         error ("Encoding file is invalid")
 319
 320     name = m.group (1)
 321     cod = m.group (2)
 322     cod = re.sub ('[ /]+', ' ', cod)
 323     cods = string.split (cod)
 324
 325     return (name, cods)
 326
 327 def zip_to_pairs (xs):
 328     r = []
 329     while xs:
 330         r.append ((xs[0], xs[1]))
 331         xs = xs[2:]
 332     return r
 333
 334 def unzip_pairs (tups):
 335     lst = []
 336     while tups:
 337         lst = lst + list (tups[0])
 338         tups = tups[1:]
 339     return lst
 340
 341 def autotrace_path_to_type1_ops (at_file, bitmap_metrics, tfm_wid, magnification):
 342     inv_scale = 1000.0 / magnification
 343
 344     (size_y, size_x, off_x, off_y) = map (lambda m, s = inv_scale: m * s,
 345                        bitmap_metrics)
 346     ls = open (at_file).readlines ()
 347     bbox = (10000, 10000, -10000, -10000)
 348
 349     while ls and ls[0] != '*u\n':
 350         ls = ls[1:]
 351
 352     if ls == []:
 353         return (bbox, '')
 354
 355     ls = ls[1:]
 356
 357     commands = []
 358
 359
 360     while ls[0] != '*U\n':
 361         ell = ls[0]
 362         ls = ls[1:]
 363
 364         toks = string.split (ell)
 365
 366         if len (toks) < 1:
 367             continue
 368         cmd = toks[-1]
 369         args = map (lambda m, s = inv_scale: s * float (m),
 370               toks[:-1])
 371         if options.round_to_int:
 372             args = zip_to_pairs (map (round, args))
 373         else:
 374             args = zip_to_pairs (args)
 375         commands.append ((cmd, args))
 376
 377     expand = {
 378         'l': 'rlineto',
 379         'm': 'rmoveto',
 380         'c': 'rrcurveto',
 381         'f': 'closepath',
 382         }
 383
 384     cx = 0
 385     cy = size_y - off_y - inv_scale
 386
 387     # t1asm seems to fuck up when using sbw. Oh well.
 388     t1_outline =  '  %d %d hsbw\n' % (- off_x, tfm_wid)
 389     bbox = (10000, 10000, -10000, -10000)
 390
 391     for (c, args) in commands:
 392
 393         na = []
 394         for a in args:
 395             (nx, ny) = a
 396             if c == 'l' or c == 'c':
 397                 bbox = update_bbox_with_point (bbox, a)
 398
 399             na.append ((nx - cx, ny - cy))
 400             (cx, cy) = (nx, ny)
 401
 402         a = na
 403         c = expand[c]
 404         if options.round_to_int:
 405             a = map (lambda x: '%d' % int (round (x)),
 406                 unzip_pairs (a))
 407         else:
 408             a = map (lambda x: '%d %d div' \
 409                 % (int (round (x * options.grid_scale/inv_scale)),
 410                   int (round (options.grid_scale/inv_scale))),
 411                 unzip_pairs (a))
 412
 413         t1_outline = t1_outline + ' %s %s\n' % (string.join (a), c)
 414
 415     t1_outline = t1_outline + ' endchar '
 416     t1_outline = '{\n %s } |- \n' % t1_outline
 417
 418     return (bbox, t1_outline)
 419
 420 # FIXME: Cut and paste programming
 421 def potrace_path_to_type1_ops (at_file, bitmap_metrics, tfm_wid, magnification):
 422     inv_scale = 1000.0 / magnification
 423
 424     (size_y, size_x, off_x, off_y) = map (lambda m,
 425                        s = inv_scale: m * s,
 426                        bitmap_metrics)
 427     ls = open (at_file).readlines ()
 428     bbox =  (10000, 10000, -10000, -10000)
 429
 430     while ls and ls[0] != '0 setgray\n':
 431         ls = ls[1:]
 432
 433     if ls == []:
 434         return (bbox, '')
 435     ls = ls[1:]
 436     commands = []
 437
 438     while ls and ls[0] != 'grestore\n':
 439         ell = ls[0]
 440         ls = ls[1:]
 441
 442         if ell == 'fill\n':
 443             continue
 444
 445         toks = string.split (ell)
 446
 447         if len (toks) < 1:
 448             continue
 449         cmd = toks[-1]
 450         args = map (lambda m, s = inv_scale: s * float (m),
 451               toks[:-1])
 452         args = zip_to_pairs (args)
 453         commands.append ((cmd, args))
 454
 455     # t1asm seems to fuck up when using sbw. Oh well.
 456     t1_outline = '  %d %d hsbw\n' % (- off_x, tfm_wid)
 457     bbox =  (10000, 10000, -10000, -10000)
 458
 459     # Type1 fonts have relative coordinates (doubly relative for
 460     # rrcurveto), so must convert moveto and rcurveto.
 461
 462     z = (0.0, size_y - off_y - 1.0)
 463     for (c, args) in commands:
 464         args = map (lambda x: (x[0] * (1.0 / options.grid_scale),
 465                    x[1] * (1.0 / options.grid_scale)), args)
 466
 467         if c == 'moveto':
 468             args = [(args[0][0] - z[0], args[0][1] - z[1])]
 469
 470         zs = []
 471         for a in args:
 472             lz = (z[0] + a[0], z[1] + a[1])
 473             bbox = update_bbox_with_point (bbox, lz)
 474             zs.append (lz)
 475
 476         if options.round_to_int:
 477             last_discr_z = (int (round (z[0])), int (round (z[1])))
 478         else:
 479             last_discr_z = (z[0], z[1])
 480         args = []
 481         for a in zs:
 482             if options.round_to_int:
 483                 a = (int (round (a[0])), int (round (a[1])))
 484             else:
 485                 a = (a[0], a[1])
 486             args.append ((a[0] - last_discr_z[0],
 487                    a[1] - last_discr_z[1]))
 488
 489             last_discr_z = a
 490
 491         if zs:
 492             z = zs[-1]
 493         c = { 'rcurveto': 'rrcurveto',
 494            'moveto': 'rmoveto',
 495            'closepath': 'closepath',
 496            'rlineto': 'rlineto'}[c]
 497
 498         if c == 'rmoveto':
 499             t1_outline += ' closepath '
 500
 501         if options.round_to_int:
 502             args = map (lambda x: '%d' % int (round (x)),
 503                   unzip_pairs (args))
 504         else:
 505             args = map (lambda x: '%d %d div' \
 506                   % (int (round (x*options.grid_scale/inv_scale)),
 507                    int (round (options.grid_scale/inv_scale))),
 508                   unzip_pairs (args))
 509
 510         t1_outline = t1_outline + '  %s %s\n' % (string.join (args), c)
 511
 512     t1_outline = t1_outline + ' endchar '
 513     t1_outline = '{\n %s } |- \n' % t1_outline
 514
 515     return (bbox, t1_outline)
 516
 517 def read_gf_dims (name, c):
 518     str = popen ('%s/gf2pbm -n %d -s %s' % (bindir, c, name)).read ()
 519     m = re.search ('size: ([0-9]+)+x([0-9]+), offset: \(([0-9-]+),([0-9-]+)\)', str)
 520
 521     return tuple (map (int, m.groups ()))
 522
 523 def trace_font (fontname, gf_file, metric, glyphs, encoding,
 524         magnification, fontinfo):
 525     t1os = []
 526     font_bbox = (10000, 10000, -10000, -10000)
 527
 528     progress (_ ("Tracing bitmaps..."))
 529
 530     if options.verbose:
 531         progress ('\n')
 532     else:
 533         progress (' ')
 534
 535     # for single glyph testing.
 536     # glyphs = []
 537     for a in glyphs:
 538         if encoding[a] == ".notavail":
 539             continue
 540         valid = metric.has_char (a)
 541         if not valid:
 542             encoding[a] = ".notavail"
 543             continue
 544
 545         valid = make_pbm (gf_file, 'char.pbm', a)
 546         if not valid:
 547             encoding[a] = ".notavail"
 548             continue
 549
 550         (w, h, xo, yo) = read_gf_dims (gf_file, a)
 551
 552         if not options.verbose:
 553             sys.stderr.write ('[%d' % a)
 554             sys.stderr.flush ()
 555
 556         # this wants the id, not the filename.
 557         success = trace_one ("char.pbm", '%s-%d' % (options.gffile, a))
 558         if not success:
 559             sys.stderr.write ("(skipping character)]")
 560             sys.stderr.flush ()
 561             encoding[a] = ".notavail"
 562             continue
 563
 564         if not options.verbose:
 565             sys.stderr.write (']')
 566             sys.stderr.flush ()
 567         metric_width = metric.get_char (a).width
 568         tw = int (round (metric_width / metric.design_size * 1000))
 569         (bbox, t1o) = path_to_type1_ops ("char.eps", (h, w, xo, yo),
 570                         tw, magnification)
 571
 572         if t1o == '':
 573             encoding[a] = ".notavail"
 574             continue
 575
 576         font_bbox = update_bbox_with_bbox (font_bbox, bbox)
 577
 578         t1os.append ('\n/%s %s ' % (encoding[a], t1o))
 579
 580     if not options.verbose:
 581         progress ('\n')
 582     to_type1 (t1os, font_bbox, fontname, encoding, magnification, fontinfo)
 583
 584 def ps_encode_encoding (encoding):
 585     str = ' %d array\n0 1 %d {1 index exch /.notdef put} for\n' \
 586        % (len (encoding), len (encoding)-1)
 587
 588     for i in range (0, len (encoding)):
 589         if encoding[i] != ".notavail":
 590             str = str + 'dup %d /%s put\n' % (i, encoding[i])
 591
 592     return str
 593
 594
 595 def gen_unique_id (dict):
 596     nm = 'FullName'
 597     return 4000000 + (hash (nm) % 1000000)
 598
 599 def to_type1 (outlines, bbox, fontname, encoding, magnification, fontinfo):
 600
 601     """
 602     Fill in the header template for the font, append charstrings,
 603     and shove result through t1asm
 604     """
 605     template = r"""%%!PS-AdobeFont-1.0: %(FontName)s %(VVV)s.%(WWW)s
 606 13 dict begin
 607 /FontInfo 16 dict dup begin
 608 /version (%(VVV)s.%(WWW)s) readonly def
 609 /Notice (%(Notice)s) readonly def
 610 /FullName (%(FullName)s) readonly def
 611 /FamilyName (%(FamilyName)s) readonly def
 612 /Weight (%(Weight)s) readonly def
 613 /ItalicAngle %(ItalicAngle)s def
 614 /isFixedPitch %(isFixedPitch)s def
 615 /UnderlinePosition %(UnderlinePosition)s def
 616 /UnderlineThickness %(UnderlineThickness)s def
 617 end readonly def
 618 /FontName /%(FontName)s def
 619 /FontType 1 def
 620 /PaintType 0 def
 621 /FontMatrix [%(xrevscale)f 0 0 %(yrevscale)f 0 0] readonly def
 622 /FontBBox {%(llx)d %(lly)d %(urx)d %(ury)d} readonly def
 623 /Encoding %(Encoding)s readonly def
 624 currentdict end
 625 currentfile eexec
 626 dup /Private 20 dict dup begin
 627 /-|{string currentfile exch readstring pop}executeonly def
 628 /|-{noaccess def}executeonly def
 629 /|{noaccess put}executeonly def
 630 /lenIV 4 def
 631 /password 5839 def
 632 /MinFeature {16 16} |-
 633 /BlueValues [] |-
 634 /OtherSubrs [ {} {} {} {} ] |-
 635 /ForceBold false def
 636 /Subrs 1 array
 637 dup 0 { return } |
 638 |-
 639 2 index
 640 /CharStrings %(CharStringsLen)d dict dup begin
 641 %(CharStrings)s
 642
 643
 644 /.notdef { 0 0 hsbw endchar } |-
 645 end
 646 end
 647 readonly put
 648 noaccess put
 649 dup/FontName get exch definefont
 650 pop mark currentfile closefile
 651 cleartomark
 652 """
 653 ## apparently, some fonts end the file with cleartomark.  Don't know why.
 654
 655     copied_fields = ['FontName', 'FamilyName', 'FullName', 'DesignSize',
 656             'ItalicAngle', 'isFixedPitch', 'Weight']
 657
 658     vars = {
 659         'VVV': '001',
 660         'WWW': '001',
 661         'Notice': 'Generated from MetaFont bitmap by mftrace %s, http://www.xs4all.nl/~hanwen/mftrace/ ' % program_version,
 662         'UnderlinePosition': '-100',
 663         'UnderlineThickness': '50',
 664         'xrevscale': 1.0/1000.0,
 665         'yrevscale': 1.0/1000.0,
 666         'llx': bbox[0],
 667         'lly': bbox[1],
 668         'urx': bbox[2],
 669         'ury': bbox[3],
 670         'Encoding': ps_encode_encoding (encoding),
 671
 672         # need one extra entry for .notdef
 673         'CharStringsLen': len (outlines) + 1,
 674         'CharStrings': string.join (outlines),
 675         'CharBBox': '0 0 0 0',
 676     }
 677
 678     for k in copied_fields:
 679         vars[k] = fontinfo[k]
 680
 681     open ('mftrace.t1asm', 'w').write (template % vars)
 682
 683 def update_bbox_with_point (bbox, pt):
 684     (llx, lly, urx, ury) = bbox
 685     llx = min (pt[0], llx)
 686     lly = min (pt[1], lly)
 687     urx = max (pt[0], urx)
 688     ury = max (pt[1], ury)
 689
 690     return         (llx, lly, urx, ury)
 691
 692 def update_bbox_with_bbox (bb, dims):
 693     (llx, lly, urx, ury) = bb
 694     llx = min (llx, dims[0])
 695     lly = min (lly, dims[1])
 696     urx = max (urx, dims[2])
 697     ury = max (ury, dims[3])
 698
 699     return (llx, lly, urx, ury)
 700
 701 def get_binary (name):
 702     search_path = string.split (os.environ['PATH'], ':')
 703     for p in search_path:
 704         nm = os.path.join (p, name)
 705         if os.path.exists (nm):
 706             return nm
 707
 708     return ''
 709
 710 def get_fontforge_command ():
 711     fontforge_cmd = ''
 712     for ff in ['fontforge', 'pfaedit']:
 713         if get_binary(ff):
 714             fontforge_cmd = ff
 715
 716     stat = 1
 717     if fontforge_cmd:
 718         stat = system ("%s -usage > pfv 2>&1 " % fontforge_cmd,
 719                ignore_error = 1)
 720
 721         if stat != 0:
 722             warning ("Command `%s -usage' failed.  Cannot simplify or convert to TTF.\n" % fontforge_cmd)
 723             return ''
 724
 725     if fontforge_cmd == 'pfaedit' \
 726      and re.search ("-script", open ('pfv').read ()) == None:
 727         warning ("pfaedit does not support -script.  Install 020215 or later.\nCannot simplify or convert to TTF.\n")
 728         return ''
 729     return fontforge_cmd
 730
 731 def tfm2kpx (tfmname, encoding):
 732     kpx_lines = []
 733     pl = popen ("tftopl %s" % (tfmname))
 734
 735     label_pattern = re.compile (
 736         "\A   \(LABEL ([DOHC]{1}) ([A-Za-z0-9]*)\)")
 737     krn_pattern = re.compile (
 738         "\A   \(KRN ([DOHC]{1}) ([A-Za-z0-9]*) R (-?[\d\.]+)\)")
 739
 740     first = 0
 741     second = 0
 742
 743     for line in pl.readlines ():
 744
 745         label_match = label_pattern.search (line)
 746         if not (label_match is None):
 747             if label_match.group (1) == "D":
 748                 first = int (label_match.group (2))
 749             elif label_match.group (1) == "O":
 750                 first = int (label_match.group (2), 8)
 751             elif label_match.group (1) == "C":
 752                 first = ord (label_match.group (2))
 753
 754         krn_match = krn_pattern.search (line)
 755         if not (krn_match is None):
 756             if krn_match.group (1) == "D":
 757                 second = int (krn_match.group (2))
 758             elif krn_match.group (1) == "O":
 759                 second = int (krn_match.group (2), 8)
 760             elif krn_match.group (1) == "C":
 761                 second = ord (krn_match.group (2))
 762
 763             krn = round (float (krn_match.group (3)) * 1000)
 764
 765             if (encoding[first] != '.notavail' and
 766                 encoding[first] != '.notdef' and
 767                 encoding[second] != '.notavail' and
 768                 encoding[second] != '.notdef'):
 769
 770                 kpx_lines.append ("KPX %s %s %d\n" % (
 771                     encoding[first], encoding[second], krn))
 772
 773     return kpx_lines
 774
 775 def get_afm (t1_path, tfmname, encoding, out_path):
 776     afm_stream = popen ("printafm %s" % (t1_path))
 777     afm_lines = []
 778     kpx_lines = tfm2kpx (tfmname, encoding)
 779
 780     for line in afm_stream.readlines ():
 781         afm_lines.append (line)
 782
 783         if re.match (r"^EndCharMetrics", line, re.I):
 784             afm_lines.append ("StartKernData\n")
 785             afm_lines.append ("StartKernPairs %d\n" % len (kpx_lines))
 786
 787             for kpx_line in kpx_lines:
 788                 afm_lines.append (kpx_line)
 789
 790             afm_lines.append ("EndKernPairs\n")
 791             afm_lines.append ("EndKernData\n")
 792
 793     progress (_ ("Writing metrics to `%s'... ") % out_path)
 794     afm_file = open (out_path, 'w')
 795     afm_file.writelines (afm_lines)
 796     afm_file.flush ()
 797     afm_file.close ()
 798
 799     progress ('\n')
 800
 801 def assemble_font (fontname, format, is_raw):
 802     ext = '.' + format
 803     asm_opt = '--pfa'
 804
 805     if format == 'pfb':
 806       asm_opt = '--pfb'
 807
 808     if is_raw:
 809       ext = ext + '.raw'
 810
 811     outname = fontname + ext
 812
 813     progress (_ ("Assembling raw font to `%s'... ") % outname)
 814     if options.verbose:
 815         progress ('\n')
 816     system ('t1asm %s mftrace.t1asm %s' % (asm_opt, shell_escape_filename (outname)))
 817     progress ('\n')
 818     return outname
 819
 820 def make_outputs (fontname, formats, encoding):
 821     """
 822     run pfaedit to convert to other formats
 823     """
 824
 825     ff_needed = 0
 826     ff_command = ""
 827
 828     if (options.simplify or options.round_to_int or 'ttf' in formats or 'svg' in formats or 'afm' in formats):
 829         ff_needed = 1
 830     if ff_needed:
 831         ff_command = get_fontforge_command ()
 832
 833     if ff_needed and ff_command:
 834         raw_name = assemble_font (fontname, 'pfa', 1)
 835
 836         simplify_cmd = ''
 837         if options.round_to_int:
 838             simplify_cmd = 'RoundToInt ();'
 839         generate_cmds = ''
 840         for f in formats:
 841             generate_cmds += 'Generate("%s");' % (fontname  + '.' + f)
 842
 843         if options.simplify:
 844             simplify_cmd ='''SelectAll ();
 845
 846 AddExtrema();
 847 Simplify ();
 848 %(simplify_cmd)s
 849 AutoHint ();''' % vars()
 850
 851         pe_script = ('''#!/usr/bin/env %(ff_command)s
 852 Open ($1);
 853 MergeKern($2);
 854 %(simplify_cmd)s
 855 %(generate_cmds)s
 856 Quit (0);
 857 ''' % vars())
 858
 859         open ('to-ttf.pe', 'w').write (pe_script)
 860         if options.verbose:
 861             print 'Fontforge script', pe_script
 862         system ("%s -script to-ttf.pe %s %s" % (ff_command,
 863               shell_escape_filename (raw_name), shell_escape_filename (options.tfm_file)))
 864     elif ff_needed and (options.simplify or options.round_to_int or 'ttf' in formats or 'svg' in formats):
 865         error(_ ("fontforge is not installed; could not perform requested command"))
 866     else:
 867         t1_path = ''
 868
 869         if ('pfa' in formats):
 870             t1_path = assemble_font (fontname, 'pfa', 0)
 871
 872         if ('pfb' in formats):
 873             t1_path = assemble_font (fontname, 'pfb', 0)
 874
 875         if (t1_path != '' and 'afm' in formats):
 876             if get_binary("printafm"):
 877                 get_afm (t1_path, options.tfm_file, encoding, fontname + '.afm')
 878             else:
 879                 error(_ ("Neither fontforge nor ghostscript is not installed; could not perform requested command"))
 880
 881
 882 def getenv (var, default):
 883     if os.environ.has_key (var):
 884         return os.environ[var]
 885     else:
 886         return default
 887
 888 def gen_pixel_font (filename, metric, magnification):
 889     """
 890     Generate a GF file for FILENAME, such that `magnification'*mfscale
 891     (default 1000 * 1.0) pixels fit on the designsize.
 892     """
 893     base_dpi = 1200
 894
 895     size = metric.design_size
 896
 897     size_points = size * 1/72.27 * base_dpi
 898
 899     mag = magnification / size_points
 900
 901     prod = mag * base_dpi
 902     try:
 903         open ('%s.%dgf' % (filename, prod))
 904     except IOError:
 905
 906         ## MFINPUTS/TFMFONTS take kpathsea specific values;
 907         ## we should analyse them any further.
 908         os.environ['MFINPUTS'] = '%s:%s' % (origdir,
 909                           getenv ('MFINPUTS', ''))
 910         os.environ['TFMFONTS'] = '%s:%s' % (origdir,
 911                           getenv ('TFMINPUTS', ''))
 912
 913         progress (_ ("Running Metafont..."))
 914
 915         cmdstr = r"mf '\mode:=lexmarks; mag:=%f; nonstopmode; input %s'" %  (mag, filename)
 916         if not options.verbose:
 917             cmdstr = cmdstr + ' 1>/dev/null 2>/dev/null'
 918         st = system (cmdstr, ignore_error = 1)
 919         progress ('\n')
 920
 921         logfile = '%s.log' % filename
 922         log = ''
 923         prod = 0
 924         if os.path.exists (logfile):
 925             log = open (logfile).read ()
 926             m = re.search ('Output written on %s.([0-9]+)gf' % re.escape (filename), log)
 927             prod = int (m.group (1))
 928
 929         if st:
 930             sys.stderr.write ('\n\nMetafont failed.  Excerpt from the log file: \n\n*****')
 931             m = re.search ("\n!", log)
 932             start = m.start (0)
 933             short_log = log[start:start+200]
 934             sys.stderr.write (short_log)
 935             sys.stderr.write ('\n*****\n')
 936             if re.search ('Arithmetic overflow', log):
 937                 sys.stderr.write ("""
 938
 939 Apparently, some numbers overflowed.  Try using --magnification with a
 940 lower number.  (Current magnification: %d)
 941 """ % magnification)
 942
 943             if not options.keep_trying or prod == 0:
 944                 sys.exit (1)
 945             else:
 946                 sys.stderr.write ('\n\nTrying to proceed despite of the Metafont errors...\n')
 947
 948
 949
 950     return "%s.%d" % (filename, prod)
 951
 952 def parse_command_line ():
 953     p = optparse.OptionParser (version="""mftrace @VERSION@
 954
 955 This program is free software.  It is covered by the GNU General Public
 956 License and you are welcome to change it and/or distribute copies of it
 957 under certain conditions.  Invoke as `mftrace --warranty' for more
 958 information.
 959
 960 Copyright (c) 2005--2006 by
 961  Han-Wen Nienhuys <hanwen@xs4all.nl>
 962
 963 """)
 964     p.usage = "mftrace [OPTION]... FILE..."
 965     p.description = _ ("Generate Type1 or TrueType font from Metafont source.")
 966
 967     p.add_option ('-k', '--keep',
 968                   action="store_true",
 969                   dest="keep_temp_dir",
 970                   help=_ ("Keep all output in directory %s.dir") % program_name)
 971     p.add_option ('','--magnification',
 972                   dest="magnification",
 973                   metavar="MAG",
 974                   default=1000.0,
 975                   type="float",
 976                   help=_("Set magnification for MF to MAG (default: 1000)"))
 977     p.add_option ('-V', '--verbose',
 978                   action='store_true',
 979                   default=False,
 980                   help=_ ("Be verbose"))
 981     p.add_option ('-f', '--formats',
 982                   action="append",
 983                   dest="formats",
 984                   default=[],
 985                   help=_("Which formats to generate (choices: AFM, PFA, PFB, TTF, SVG)"))
 986     p.add_option ('', '--simplify',
 987                   action="store_true",
 988                   dest="simplify",
 989                   help=_ ("Simplify using fontforge"))
 990     p.add_option ('', '--gffile',
 991                   dest="gffile",
 992                   help= _("Use gf FILE instead of running Metafont"))
 993     p.add_option ('-I', '--include',
 994                   dest="include_dirs",
 995                   action="append",
 996                   default=[],
 997                   help=_("Add to path for searching files"))
 998     p.add_option ('','--glyphs',
 999                   default=[],
1000                   action="append",
1001                   dest="glyphs",
1002                   metavar="LIST",
1003                   help= _('Process only these glyphs.  LIST is comma separated'))
1004     p.add_option ('', '--tfmfile',
1005                   metavar='FILE',
1006                   action='store',
1007                   dest='tfm_file')
1008
1009     p.add_option ('-e', '--encoding',
1010                   metavar="FILE",
1011                   action='store',
1012                   dest="encoding_file",
1013                   default="",
1014                   help= _ ("Use encoding file FILE"))
1015     p.add_option ('','--keep-trying',
1016                   dest='keep_trying',
1017                   default=False,
1018                   action="store_true",
1019                   help= _ ("Don't stop if tracing fails"))
1020     p.add_option ('-w', '--warranty',
1021                   action="store_true",
1022                   help=_ ("show warranty and copyright"))
1023     p.add_option ('','--dos-kpath',
1024                   dest="dos_kpath",
1025                   help=_("try to use Miktex kpsewhich"))
1026     p.add_option ('', '--potrace',
1027                   dest='potrace',
1028                   help=_ ("Use potrace"))
1029     p.add_option ('', '--autotrace',
1030                   dest='autotrace',
1031                   help=_ ("Use autotrace"))
1032     p.add_option ('', '--no-afm',
1033                   action='store_false',
1034                   dest="read_afm",
1035                   default=True,
1036                   help=_("Don't read AFM file"))
1037     p.add_option ('','--noround',
1038                   action="store_false",
1039                   dest='round_to_int',
1040                   default=True,
1041                   help= ("Do not round coordinates of control points to integer values (use with --grid)"))
1042     p.add_option ('','--grid',
1043                   metavar='SCALE',
1044                   dest='grid_scale',
1045                   type='float',
1046                   default = 1.0,
1047                   help=_ ("Set reciprocal grid size in em units"))
1048     p.add_option ('-D','--define',
1049                   metavar="SYMBOL=VALUE",
1050                   dest="defs",
1051                   default=[],
1052                   action='append',help=_("Set the font info SYMBOL to VALUE"))
1053
1054     global options
1055     (options, files) = p.parse_args ()
1056
1057     if not files:
1058         sys.stderr.write ('Need argument on command line \n')
1059         p.print_help ()
1060         sys.exit (2)
1061
1062     if options.warranty :
1063         warranty ()
1064         sys.exit (0)
1065
1066     options.font_info = {}
1067     for d in options.defs:
1068         kv = d.split('=')
1069         if len (kv) == 1:
1070             options.font_info[kv] = 'true'
1071         elif len (kv) > 1:
1072             options.font_info[kv[0]] = '='.join (kv[1:])
1073
1074     def comma_sepped_to_list (x):
1075         fs = []
1076         for f in x:
1077             fs += f.lower ().split (',')
1078         return fs
1079
1080     options.formats = comma_sepped_to_list (options.formats)
1081
1082     new_glyphs = []
1083     for r in options.glyphs:
1084         new_glyphs += r.split (',')
1085     options.glyphs = new_glyphs
1086
1087     glyph_range = []
1088     for r in options.glyphs:
1089         glyph_subrange = map (int, string.split (r, '-'))
1090         if len (glyph_subrange) == 2 and glyph_subrange[0] < glyph_subrange[1] + 1:
1091             glyph_range += range (glyph_subrange[0], glyph_subrange[1] + 1)
1092         else:
1093             glyph_range.append (glyph_subrange[0])
1094
1095     options.glyphs = glyph_range
1096
1097     options.trace_binary = ''
1098     if options.potrace:
1099         options.trace_binary = 'potrace'
1100     elif options.autotrace:
1101         options.trace_binary = 'autotrace'
1102
1103     if options.formats == []:
1104         options.formats = ['pfa']
1105
1106
1107
1108     global trace_command
1109     global path_to_type1_ops
1110
1111     stat = os.system ('potrace --version > /dev/null 2>&1 ')
1112     if options.trace_binary != 'autotrace' and stat == 0:
1113         options.trace_binary = 'potrace'
1114
1115         trace_command = potrace_command
1116         path_to_type1_ops = potrace_path_to_type1_ops
1117     elif options.trace_binary == 'potrace' and stat != 0:
1118         error (_ ("Could not run potrace; have you installed it?"))
1119
1120     stat = os.system ('autotrace --version > /dev/null 2>&1 ')
1121     if options.trace_binary != 'potrace' and stat == 0:
1122         options.trace_binary = 'autotrace'
1123         trace_command = autotrace_command
1124         path_to_type1_ops = autotrace_path_to_type1_ops
1125     elif options.trace_binary == 'autotrace' and stat != 0:
1126         error (_ ("Could not run autotrace; have you installed it?"))
1127
1128     if not options.trace_binary:
1129         error (_ ("No tracing program found.\nInstall potrace or autotrace."))
1130
1131     return files
1132
1133
1134 def derive_font_name (family, fullname):
1135     fullname = re.sub (family, '', fullname)
1136     family = re.sub (' ',  '', family)
1137     fullname = re.sub ('Oldstyle Figures', 'OsF', fullname)
1138     fullname = re.sub ('Small Caps', 'SC', fullname)
1139     fullname = re.sub ('[Mm]edium', '', fullname)
1140     fullname = re.sub ('[^A-Za-z0-9]', '', fullname)
1141     return '%s-%s' % (family, fullname)
1142
1143 def cm_guess_font_info (filename, fontinfo):
1144     # urg.
1145     filename = re.sub ("cm(.*)tt", r"cmtt\1", filename)
1146     m = re.search ("([0-9]+)$", filename)
1147     design_size = ''
1148     if m:
1149         design_size = int (m.group (1))
1150         fontinfo['DesignSize'] = design_size
1151
1152     prefixes = [("cmtt", "Computer Modern Typewriter"),
1153           ("cmvtt", "Computer Modern Variable Width Typewriter"),
1154           ("cmss", "Computer Modern Sans"),
1155           ("cm", "Computer Modern")]
1156
1157     family = ''
1158     for (k, v) in prefixes:
1159         if re.search (k, filename):
1160             family = v
1161             if k == 'cmtt':
1162                 fontinfo['isFixedPitch'] = 'true'
1163             filename = re.sub (k, '', filename)
1164             break
1165
1166     # shapes
1167     prefixes = [("r", "Roman"),
1168           ("mi", "Math italic"),
1169           ("u", "Unslanted italic"),
1170           ("sl", "Oblique"),
1171           ("csc", "Small Caps"),
1172           ("ex", "Math extension"),
1173           ("ti", "Text italic"),
1174           ("i", "Italic")]
1175     shape = ''
1176     for (k, v) in prefixes:
1177         if re.search (k, filename):
1178             shape = v
1179             filename = re.sub (k, '', filename)
1180
1181     prefixes = [("b", "Bold"),
1182           ("d", "Demi bold")]
1183     weight = 'Regular'
1184     for (k, v) in prefixes:
1185         if re.search (k, filename):
1186             weight = v
1187             filename = re.sub (k, '', filename)
1188
1189     prefixes = [("c", "Condensed"),
1190           ("x", "Extended")]
1191     stretch = ''
1192     for (k, v) in prefixes:
1193         if re.search (k, filename):
1194             stretch = v
1195             filename = re.sub (k, '', filename)
1196
1197     fontinfo['ItalicAngle'] = 0
1198     if re.search ('[Ii]talic', shape) or re.search ('[Oo]blique', shape):
1199         a = -14
1200         if re.search ("Sans", family):
1201             a = -12
1202
1203         fontinfo ["ItalicAngle"] = a
1204
1205     fontinfo['Weight'] = weight
1206     fontinfo['FamilyName'] = family
1207     full  = '%s %s %s %s %dpt' \
1208                % (family, shape, weight, stretch, design_size)
1209     full = re.sub (" +", ' ', full)
1210
1211     fontinfo['FullName'] = full
1212     fontinfo['FontName'] = derive_font_name (family, full)
1213
1214     return fontinfo
1215
1216 def ec_guess_font_info (filename, fontinfo):
1217     design_size = 12
1218     m = re.search ("([0-9]+)$", filename)
1219     if m:
1220         design_size = int (m.group (1))
1221         fontinfo['DesignSize'] = design_size
1222
1223     prefixes = [("ecss", "European Computer Modern Sans"),
1224           ("ectt", "European Computer Modern Typewriter"),
1225           ("ec", "European Computer Modern")]
1226
1227     family = ''
1228     for (k, v) in prefixes:
1229         if re.search (k, filename):
1230             if k == 'ectt':
1231                 fontinfo['isFixedPitch'] = 'true'
1232             family = v
1233             filename = re.sub (k, '', filename)
1234             break
1235
1236     # shapes
1237     prefixes = [("r", "Roman"),
1238           ("mi", "Math italic"),
1239           ("u", "Unslanted italic"),
1240           ("sl", "Oblique"),
1241           ("cc", "Small caps"),
1242           ("ex", "Math extension"),
1243           ("ti", "Italic"),
1244           ("i", "Italic")]
1245
1246     shape = ''
1247     for (k, v) in prefixes:
1248         if re.search (k, filename):
1249             shape = v
1250             filename = re.sub (k, '', filename)
1251
1252     prefixes = [("b", "Bold"),
1253           ("d", "Demi bold")]
1254     weight = 'Regular'
1255     for (k, v) in prefixes:
1256         if re.search (k, filename):
1257             weight = v
1258             filename = re.sub (k, '', filename)
1259
1260     prefixes = [("c", "Condensed"),
1261           ("x", "Extended")]
1262     stretch = ''
1263     for (k, v) in prefixes:
1264         if re.search (k, filename):
1265             stretch = v
1266             filename = re.sub (k, '', filename)
1267
1268     fontinfo['ItalicAngle'] = 0
1269     if re.search ('[Ii]talic', shape) or re.search ('[Oo]blique', shape):
1270         a = -14
1271         if re.search ("Sans", family):
1272             a = -12
1273
1274         fontinfo ["ItalicAngle"] = a
1275
1276     fontinfo['Weight'] = weight
1277     fontinfo['FamilyName'] = family
1278     full  = '%s %s %s %s %dpt' \
1279                % (family, shape, weight, stretch, design_size)
1280     full = re.sub (" +", ' ', full)
1281
1282     fontinfo['FontName'] = derive_font_name (family, full)
1283     fontinfo['FullName'] = full
1284
1285     return fontinfo
1286
1287
1288 def guess_fontinfo (filename):
1289     fi = {
1290         'FontName': filename,
1291         'FamilyName': filename,
1292         'Weight': 'Regular',
1293         'ItalicAngle': 0,
1294         'DesignSize' : 12,
1295         'isFixedPitch' : 'false',
1296         'FullName': filename,
1297        }
1298
1299     if re.search ('^cm', filename):
1300         fi.update (cm_guess_font_info (filename, fi))
1301     elif re.search ("^ec", filename):
1302         fi.update (ec_guess_font_info (filename, fi))
1303     elif options.read_afm:
1304         global afmfile
1305         if not afmfile:
1306             afmfile = find_file (filename + '.afm')
1307
1308         if afmfile:
1309             afmfile = os.path.abspath (afmfile)
1310             afm_struct = afm.read_afm_file (afmfile)
1311             fi.update (afm_struct.__dict__)
1312         return fi
1313     else:
1314         sys.stderr.write ("Warning: no extra font information for this font.\n"
1315                  + "Consider writing a XX_guess_font_info() routine.\n")
1316
1317     return fi
1318
1319 def do_file (filename):
1320     encoding_file = options.encoding_file
1321     global include_dirs
1322     include_dirs = options.include_dirs
1323     include_dirs.append (origdir)
1324
1325     basename = strip_extension (filename, '.mf')
1326     progress (_ ("Font `%s'..." % basename))
1327     progress ('\n')
1328
1329     ## setup encoding
1330     if encoding_file and not os.path.exists (encoding_file):
1331         encoding_file = find_file (encoding_file)
1332     elif encoding_file:
1333         encoding_file = os.path.abspath (encoding_file)
1334
1335     ## setup TFM
1336     if options.tfm_file:
1337         options.tfm_file = os.path.abspath (options.tfm_file)
1338     else:
1339         tfm_try = find_file (basename + '.tfm')
1340         if tfm_try:
1341             options.tfm_file = tfm_try
1342
1343     if not os.environ.has_key ("MFINPUTS"):
1344          os.environ["MFINPUTS"] = os.getcwd () + ":"
1345
1346     ## must change dir before calling mktextfm.
1347     if options.keep_temp_dir:
1348         def nop():
1349             pass
1350         setup_temp (os.path.join (os.getcwd (), program_name + '.dir'))
1351         temp_dir.clean = nop
1352     else:
1353         setup_temp (None)
1354
1355     if options.verbose:
1356         progress ('Temporary directory is `%s\'\n' % temp_dir)
1357
1358     if not options.tfm_file:
1359         options.tfm_file = popen ("mktextfm %s 2>/dev/null" % shell_escape_filename (basename)).read ()
1360         if options.tfm_file:
1361             options.tfm_file = options.tfm_file.strip ()
1362             options.tfm_file = os.path.abspath (options.tfm_file)
1363
1364     if not options.tfm_file:
1365         error (_ ("Can not find a TFM file to match `%s'") % basename)
1366
1367     metric = tfm.read_tfm_file (options.tfm_file)
1368
1369     fontinfo = guess_fontinfo (basename)
1370     fontinfo.update (options.font_info)
1371
1372     if not encoding_file:
1373         codingfile = 'tex256.enc'
1374         if not coding_dict.has_key (metric.coding):
1375             sys.stderr.write ("Unknown encoding `%s'; assuming tex256.\n" % metric.coding)
1376         else:
1377             codingfile = coding_dict[metric.coding]
1378
1379         encoding_file = find_file (codingfile)
1380         if not encoding_file:
1381             error (_ ("can't find file `%s'" % codingfile))
1382
1383     (enc_name, encoding) = read_encoding (encoding_file)
1384
1385     if not len (options.glyphs):
1386         options.glyphs = range (0, len (encoding))
1387
1388     if not options.gffile:
1389         # run mf
1390         base = gen_pixel_font (basename, metric, options.magnification)
1391         options.gffile = base + 'gf'
1392     else:
1393         options.gffile = find_file (options.gffile)
1394
1395     # the heart of the program:
1396     trace_font (basename, options.gffile, metric, options.glyphs, encoding,
1397           options.magnification, fontinfo)
1398
1399     make_outputs (basename, options.formats, encoding)
1400     for format in options.formats:
1401         shutil.copy2 (basename + '.' + format, origdir)
1402
1403     os.chdir (origdir)
1404
1405
1406
1407
1408
1409 afmfile = ''
1410 backend_options = getenv ('MFTRACE_BACKEND_OPTIONS', '')
1411 def main ():
1412     files = parse_command_line ()
1413     identify (sys.stderr)
1414
1415     for filename in files:
1416         do_file (filename)
1417     sys.exit (exit_value)
1418
1419 if __name__ =='__main__':
1420     main()