def load_encoding(self, encodingname):
"""Loads encoding"""
# is encoding file?
if os.path.isfile(encodingname):
fullpath = encodingname
path, file = os.path.split(fullpath)
if file[-4:] == '.enc':
encodingname = file[:-4]
else:
encodingname = file
self.loaded_enc[encodingname] = read_ENC(open(fullpath, 'r'))[1]
return self.loaded_enc[encodingname]
# try to load encoding from our base directory
filename = os.path.join(self.search_path, encodingname + ".enc")
if os.path.exists(filename):
self.loaded_enc[encodingname] = read_ENC(open(filename, 'r'))[1]
return self.loaded_enc[encodingname]
# locate encoding in the user filesystem
filename = findfile.locate(encodingname + ".enc", setup.tex_paths)
if filename:
self.loaded_enc[encodingname] = read_ENC(open(filename, 'r'))[1]
return self.loaded_enc[encodingname]
raise EncodingDBError("Can not find '%s' file." % encodingname)
def get_designsize(fontname):
"""
Function (tries to) determine designsize of given font.
First checks a cache (loaded from setup.font_lookup),
then seeks for corresponding TFM file and reads designsize.
"""
if fontname in config.fonts_lookup:
encoding, designsize = config.fonts_lookup[fontname]
log.debug("Getting designsize for '%s' from file cache" % fontname)
return designsize
# read TFM, if any
log.debug('Checking TFM file...')
filename = findfile.locate(fontname + '.tfm', setup.tex_paths)
if filename:
log.debug("Using file '%s'" % filename)
file = binfile(filename, 'rb')
try:
_, designsize, _, _ = read_TFM(file)
except TFMError, e:
log.error("TFM error" + str(TFMError))
else:
file.close()
return designsize / (2.0**20)
def get_designsize(fontname):
"""
Function (tries to) determine designsize of given font.
First checks a cache (loaded from setup.font_lookup),
then seeks for corresponding TFM file and reads designsize.
"""
if fontname in config.fonts_lookup:
encoding, designsize = config.fonts_lookup[fontname]
log.debug("Getting designsize for '%s' from file cache" % fontname)
return designsize
# read TFM, if any
log.debug('Checking TFM file...')
filename = findfile.locate(fontname + '.tfm', setup.tex_paths)
if filename:
log.debug("Using file '%s'" % filename)
file = binfile(filename, 'rb')
try:
_, designsize, _, _ = read_TFM(file)
except TFMError, e:
log.error("TFM error" + str(TFMError))
else:
file.close()
return designsize / (2.0**20)
def load_encoding(self, encodingname):
"""Loads encoding"""
# is encoding file?
if os.path.isfile(encodingname):
fullpath = encodingname
path, file = os.path.split(fullpath)
if file[-4:] == ".enc":
encodingname = file[:-4]
else:
encodingname = file
self.loaded_enc[encodingname] = read_ENC(open(fullpath, "r"))[1]
return self.loaded_enc[encodingname]
# try to load encoding from our base directory
filename = os.path.join(self.search_path, encodingname + ".enc")
if os.path.exists(filename):
self.loaded_enc[encodingname] = read_ENC(open(filename, "r"))[1]
return self.loaded_enc[encodingname]
# locate encoding in the user filesystem
filename = findfile.locate(encodingname + ".enc", setup.tex_paths)
if filename:
self.loaded_enc[encodingname] = read_ENC(open(filename, "r"))[1]
return self.loaded_enc[encodingname]
raise EncodingDBError("Can not find '%s' file." % encodingname)
def get_encoding_from_TFM(fontname):
log.debug('checking TFM file')
filename = findfile.locate(fontname + '.tfm', setup.tex_paths)
if filename:
log.debug("... using '%s'" % filename)
file = binfile(filename, 'rb')
try:
_, _, encodingname, _ = read_TFM(file)
except TFMError, e:
log.error("... TFM error: %s" % str(TFMError))
else:
file.close()
try:
encoding = config.encoding_lookup[encodingname]
log.debug("... encoding %s" % encoding)
return encoding
except KeyError:
log.error("... font %s: unknown TeX encoding: '%s'" % (fontname, encodingname))
def get_encoding_from_TFM(fontname):
log.debug('checking TFM file')
filename = findfile.locate(fontname + '.tfm', setup.tex_paths)
if filename:
log.debug("... using '%s'" % filename)
file = binfile(filename, 'rb')
try:
_, _, encodingname, _ = read_TFM(file)
except TFMError, e:
log.error("... TFM error: %s" % str(TFMError))
else:
file.close()
try:
encoding = config.encoding_lookup[encodingname]
log.debug("... encoding %s" % encoding)
return encoding
except KeyError:
log.error("... font %s: unknown TeX encoding: '%s'" %
(fontname, encodingname))
def get_encoding_from_AFM(fontname):
log.debug('checking AFM file')
filename = findfile.locate(fontname + '.afm', setup.tex_paths)
if filename:
log.debug("... using '%s'" % filename)
file = open(filename, 'r')
try:
encodingname, _, _ = read_AFM(file)
except AFMError, e:
log.error("... AFM error" + str(AFMError))
else:
file.close()
try:
if encodingname:
encoding = config.encoding_lookup[encodingname]
log.debug("... ... encoding %s" % encoding)
return encoding
else:
log.error("... unknown AFM encoding: '%s'" % encodingname)
except KeyError:
log.error("... unknown AFM encoding: '%s'" % encodingname)
def get_encoding_from_AFM(fontname):
log.debug('checking AFM file')
filename = findfile.locate(fontname + '.afm', setup.tex_paths)
if filename:
log.debug("... using '%s'" % filename)
file = open(filename, 'r')
try:
encodingname, _, _ = read_AFM(file)
except AFMError, e:
log.error("... AFM error" + str(AFMError))
else:
file.close()
try:
if encodingname:
encoding = config.encoding_lookup[encodingname]
log.debug("... ... encoding %s" % encoding)
return encoding
else:
log.error("... unknown AFM encoding: '%s'" % encodingname)
except KeyError:
log.error("... unknown AFM encoding: '%s'" % encodingname)
def make_cache_file(fontname):
font = Font()
font.name = fontname
#
# 1. Locate/create SVG font
#
svgname = fontname.lower() + '.svg'
def svgpred(path, filename):
return filename.lower() == svgname
filename = findfile.find_file(setup.svg_font_path, svgpred)
if not filename:
type1file = findfile.locate(fontname + '.pfb') or \
findfile.locate(fontname + '.pfa')
if not type1file:
# there is no pfa/pfb named fontname,
# try to find pfa/pfb with some prefix as fontname
# XXX: rewrite
import string
prefix = fontname.translate(
string.maketrans("0123456789", " " * 10)).split()[0]
if prefix:
def pred(path, filename):
f = filename.lower()
return f.startswith(prefix) and\
(f.endswith(".pfa") or f.endswith(".pfb"))
type1file = findfile.find_file(setup.tex_paths, pred)
if type1file:
log.info("Found Type1 font: %s" % type1file)
if setup.options.use_fontforge and fontforge_available:
log.info("... trying FontForge")
if fontforge_convert(type1file):
filename = findfile.find_file(setup.svg_font_path, svgpred)
log.info("... ... conversion successful!")
else:
log.info("... ... conversion failed")
if not filename and setup.options.use_fnt2meta and fnt2meta_available:
log.info("... trying fnt2meta")
meta = load_metadata(type1file)
if meta:
font = parse_metadata(meta)
font.designsize = get_designsize(fontname)
log.debug("Font '%s' designed at %spt" %
(fontname, str(font.designsize)))
log.info("... conversion successful")
# pickle
f = open(setup.cache_path + fontname + '.cache', 'wb')
cPickle.dump(font, f, protocol=cPickle.HIGHEST_PROTOCOL)
f.close()
return
else:
log.info("... ... conversion failed")
#fi
if not filename and not type1file:
mffile = findfile.locate(fontname + '.mf')
if mffile:
log.info("METAFONT source found, trying mftrace...")
if mftrace_convert(mffile):
filename = findfile.find_file(setup.svg_font_path, svgpred)
if filename:
log.info("... ... conversion successful")
else:
log.info("... ... conversion failed")
else:
log.info("... ... conversion failed")
if filename:
log.debug("Using SVG font '%s' as '%s'", filename, font.name)
else:
if type1file:
raise FontError(
"%s: suitable vector font found, but conversion failed (are FontForge or/and fnt2meta installed?)"
% font.name)
else:
raise FontError("%s: can't find SVG font" % font.name)
# get designsize
font.designsize = get_designsize(fontname)
log.debug("Font '%s' designed at %spt" % (fontname, str(font.designsize)))
#
# 2. Process SVG file
#
# a. load file
from xml.dom.minidom import parse
data = parse(filename)
# b. get font element
try:
fontnode = data.getElementsByTagName('font')[0]
# get default horizontal advance (if any)
if fontnode.hasAttribute('horiz-adv-x'):
default_hadvx = float(fontnode.getAttribute('horiz-adv-x'))
else:
default_hadvx = None
except IndexError:
raise FontError(
"There should be at least one <font> element in SVG file")
# d. get font face name
if fontnode.getAttribute('font-family'):
font.fontfamily = fontnode.getAttribute('font-family')
else:
font.fontfamily = fontname
try:
fontface = data.getElementsByTagName('font-face')[0]
if fontface.getAttribute('bbox') and fontface.getAttribute(
'units-per-em'):
xmin, ymin, xmax, ymax = map(
float,
fontface.getAttribute('bbox').replace(",", " ").split())
upem = float(fontface.getAttribute('units-per-em'))
# raise str((upem, (ymax-ymin)))
except IndexError:
pass
# e. load fonts
font.glyphs_dict = {}
for node in fontnode.getElementsByTagName('glyph'):
# 1. read path info
glyph = Glyph()
if node.hasAttribute('d'): # is defined as <glyph> attribute
glyph.path = node.getAttribute('d')
else:
# XXX: glyph is defined with path child element and I assume
# there is just one element
path_elements = node.getElementsByTagName('path')
if len(path_elements) == 0: # no path elements at all
pass
elif len(path_elements) == 1: # one path element
glyph.path = path_elements[0].getAttribute('d')
else: # more paths...
pass # XXX: join them?
# 2. get character name
glyph.name = node.getAttribute('glyph-name')
if glyph.name == '':
log.error("There is a glyph without name, skipping it")
continue
# 2a. transcode
if glyph.name not in name_lookup:
try:
glyph.name = transcode[glyph.name]
except KeyError:
log.error("Don't know what is '%s', skipping it", glyph.name)
continue
# 3. get horiz-adv-x
if node.hasAttribute('horiz-adv-x'):
glyph.hadv = float(node.getAttribute('horiz-adv-x'))
elif default_hadvx != None:
glyph.hadv = default_hadvx
else:
# XXX: calculate glyphs extends?
raise FontError("Can't determine width of character '%s'",
glyph.name)
if glyph.name in font.glyphs_dict:
log.error("Character '%s' already defined, skipping", glyph.name)
else:
font.glyphs_dict[glyph.name] = glyph
#rof
# f. write the cache file
cPickle.dump(font,
open(setup.cache_path + fontname + '.cache', 'wb'),
protocol=cPickle.HIGHEST_PROTOCOL)
def make_cache_file(fontname):
font = Font()
font.name = fontname
#
# 1. Locate/create SVG font
#
svgname = fontname.lower() + '.svg'
def svgpred(path, filename):
return filename.lower() == svgname
filename = findfile.find_file(setup.svg_font_path, svgpred)
if not filename:
type1file = findfile.locate(fontname + '.pfb') or \
findfile.locate(fontname + '.pfa')
if not type1file:
# there is no pfa/pfb named fontname,
# try to find pfa/pfb with some prefix as fontname
# XXX: rewrite
import string
prefix = fontname.translate(string.maketrans("0123456789", " "*10)).split()[0]
if prefix:
def pred(path, filename):
f = filename.lower()
return f.startswith(prefix) and\
(f.endswith(".pfa") or f.endswith(".pfb"))
type1file = findfile.find_file(setup.tex_paths, pred)
if type1file:
log.info("Found Type1 font: %s" % type1file)
if setup.options.use_fontforge and fontforge_available:
log.info("... trying FontForge")
if fontforge_convert(type1file):
filename = findfile.find_file(setup.svg_font_path, svgpred)
log.info("... ... conversion successful!")
else:
log.info("... ... conversion failed")
if not filename and setup.options.use_fnt2meta and fnt2meta_available:
log.info("... trying fnt2meta")
meta = load_metadata(type1file)
if meta:
font = parse_metadata(meta)
font.designsize = get_designsize(fontname)
log.debug("Font '%s' designed at %spt" % (fontname, str(font.designsize)))
log.info("... conversion successful")
# pickle
f = open(setup.cache_path + fontname + '.cache', 'wb')
cPickle.dump(font, f, protocol=cPickle.HIGHEST_PROTOCOL)
f.close()
return
else:
log.info("... ... conversion failed")
#fi
if not filename and not type1file:
mffile = findfile.locate(fontname + '.mf')
if mffile:
log.info("METAFONT source found, trying mftrace...")
if mftrace_convert(mffile):
filename = findfile.find_file(setup.svg_font_path, svgpred)
if filename:
log.info("... ... conversion successful")
else:
log.info("... ... conversion failed")
else:
log.info("... ... conversion failed")
if filename:
log.debug("Using SVG font '%s' as '%s'", filename, font.name)
else:
if type1file:
raise FontError("%s: suitable vector font found, but conversion failed (are FontForge or/and fnt2meta installed?)" % font.name)
else:
raise FontError("%s: can't find SVG font" % font.name)
# get designsize
font.designsize = get_designsize(fontname)
log.debug("Font '%s' designed at %spt" % (fontname, str(font.designsize)))
#
# 2. Process SVG file
#
# a. load file
from xml.dom.minidom import parse
data = parse(filename)
# b. get font element
try:
fontnode = data.getElementsByTagName('font')[0]
# get default horizontal advance (if any)
if fontnode.hasAttribute('horiz-adv-x'):
default_hadvx = float(fontnode.getAttribute('horiz-adv-x'))
else:
default_hadvx = None
except IndexError:
raise FontError("There should be at least one <font> element in SVG file")
# d. get font face name
if fontnode.getAttribute('font-family'):
font.fontfamily = fontnode.getAttribute('font-family')
else:
font.fontfamily = fontname
try:
fontface = data.getElementsByTagName('font-face')[0]
if fontface.getAttribute('bbox') and fontface.getAttribute('units-per-em'):
xmin,ymin, xmax,ymax = map(float, fontface.getAttribute('bbox').replace(",", " ").split())
upem = float(fontface.getAttribute('units-per-em'))
# raise str((upem, (ymax-ymin)))
except IndexError:
pass
# e. load fonts
font.glyphs_dict = {}
for node in fontnode.getElementsByTagName('glyph'):
# 1. read path info
glyph = Glyph()
if node.hasAttribute('d'): # is defined as <glyph> attribute
glyph.path = node.getAttribute('d')
else:
# XXX: glyph is defined with path child element and I assume
# there is just one element
path_elements = node.getElementsByTagName('path')
if len(path_elements) == 0: # no path elements at all
pass
elif len(path_elements) == 1: # one path element
glyph.path = path_elements[0].getAttribute('d')
else: # more paths...
pass # XXX: join them?
# 2. get character name
glyph.name = node.getAttribute('glyph-name')
if glyph.name == '':
log.error("There is a glyph without name, skipping it")
continue
# 2a. transcode
if glyph.name not in name_lookup:
try:
glyph.name = transcode[glyph.name]
except KeyError:
log.error("Don't know what is '%s', skipping it", glyph.name)
continue
# 3. get horiz-adv-x
if node.hasAttribute('horiz-adv-x'):
glyph.hadv = float(node.getAttribute('horiz-adv-x'))
elif default_hadvx != None:
glyph.hadv = default_hadvx
else:
# XXX: calculate glyphs extends?
raise FontError("Can't determine width of character '%s'", glyph.name)
if glyph.name in font.glyphs_dict:
log.error("Character '%s' already defined, skipping", glyph.name)
else:
font.glyphs_dict[glyph.name] = glyph
#rof
# f. write the cache file
cPickle.dump(font, open(setup.cache_path + fontname + '.cache', 'wb'), protocol=cPickle.HIGHEST_PROTOCOL)
