def _set_metrics(self):
self.path = self.TTFONTS[self.family]
self.info_object = TTFontFile()
ttf = self.info_object
ttf.getMetrics(self.path)
self.descriptors['Ascent'] = int(round(ttf.ascent))
self.descriptors['Descent'] = int(round(ttf.descent))
self.descriptors['CapHeight'] = int(round(ttf.capHeight))
self.descriptors['Flags'] = ttf.flags
self.descriptors['FontBBox'] = '[%s %s %s %s]' % (
int(round(ttf.bbox[0])), int(round(ttf.bbox[1])),
int(round(ttf.bbox[2])), int(round(ttf.bbox[3])))
self.descriptors['ItalicAngle'] = int(ttf.italicAngle)
self.descriptors['StemV'] = int(round(ttf.stemV))
self.descriptors['MissingWidth'] = int(round(ttf.defaultWidth))
self.name = re.sub('[ ()]', '', ttf.fullName)
self.type = 'TTF'
self.character_widths = ttf.charWidths
def _set_metrics(self):
self.path = self.TTFONTS[self.family]
self.info_object = TTFontFile()
ttf = self.info_object
ttf.getMetrics(self.path)
self.descriptors['Ascent'] = int(round(ttf.ascent))
self.descriptors['Descent'] = int(round(ttf.descent))
self.descriptors['CapHeight'] = int(round(ttf.capHeight))
self.descriptors['Flags'] = ttf.flags
self.descriptors['FontBBox'] = '[%s %s %s %s]' % (
int(round(ttf.bbox[0])),
int(round(ttf.bbox[1])),
int(round(ttf.bbox[2])),
int(round(ttf.bbox[3])))
self.descriptors['ItalicAngle'] = int(ttf.italicAngle)
self.descriptors['StemV'] = int(round(ttf.stemV))
self.descriptors['MissingWidth'] = int(round(ttf.defaultWidth))
self.name = re.sub('[ ()]', '', ttf.fullName)
self.type = 'TTF'
self.character_widths = ttf.charWidths
class PDFTTFont(PDFFont):
def __init__(self, session, family='arial', style=None, size=20):
self.session = session
self.FAMILIES = FontLoader.families
self.TTFONTS = FontLoader.font_dict
self.is_set = False
self.font_size = None
self.subset = []
self.path = None
self.diffs = None
self.diff_number = None
self.encoded = None
self.descriptors = {}
self._set_font(family, style, size)
self._cache_text("""abcdefghijklmnopqrstuvwxyz
ABCDEFGHIJKLMNOPQRSTUVWXYZ
1234567890-,.<>/?;:\'\"\\[]{}
=+_!@#$%^&*()~`""")
@staticmethod
def available_fonts():
return FontLoader.font_dict
def _set_family(self, family):
if family is not None:
family = family.lower()
if family not in self.TTFONTS:
raise Exception("%s not a valid font name" % family)
self.family = family
else:
self.family = 'arial'
def _set_name(self):
self.name = self.font_key + self.style
def _set_character_widths(self):
pass
def _set_font(self, family=None, style=None, size=None):
"""Select a font; size given in points"""
if style is not None:
if 'B' in style:
family += '_bold'
if 'I' in style:
family += '_italic'
self._set_family(family)
self._get_diffs()
self._set_style(style)
self._set_metrics()
self._set_size(size)
self._set_font_key()
def _set_metrics(self):
self.path = self.TTFONTS[self.family]
self.info_object = TTFontFile()
ttf = self.info_object
ttf.getMetrics(self.path)
self.descriptors['Ascent'] = int(round(ttf.ascent))
self.descriptors['Descent'] = int(round(ttf.descent))
self.descriptors['CapHeight'] = int(round(ttf.capHeight))
self.descriptors['Flags'] = ttf.flags
self.descriptors['FontBBox'] = '[%s %s %s %s]' % (
int(round(ttf.bbox[0])),
int(round(ttf.bbox[1])),
int(round(ttf.bbox[2])),
int(round(ttf.bbox[3])))
self.descriptors['ItalicAngle'] = int(ttf.italicAngle)
self.descriptors['StemV'] = int(round(ttf.stemV))
self.descriptors['MissingWidth'] = int(round(ttf.defaultWidth))
self.name = re.sub('[ ()]', '', ttf.fullName)
self.type = 'TTF'
self.character_widths = ttf.charWidths
def _get_diffs(self):
pass
def _string_width(self, s):
"""Get width of a string in the current font"""
s = str(s)
w = 0
for char in s:
char = ord(char)
w += self.character_widths[char]
return w * self.font_size / 1000.0
def _output(self):
self.session._out('<</Type /Font')
self.session._out('/BaseFont /' + self.name)
self.session._out('/Subtype /TrueType')
self.session._out('/FirstChar 32 /LastChar 255')
self.session._out('/Widths %s 0 R' % (self.number + 1))
self.session._out('/FontDescriptor %s 0 R' % (self.number + 2))
if self.diff_number is not None:
self.session._out('/Encoding %s 0 R' % (self.diff_number + self.session.get_saved_number))
else:
self.session._out('/Encoding /WinAnsiEncoding')
self.session._out('>>')
self.session._out('endobj')
self._output_character_widths()
self._output_descriptors()
self._output_file()
def _output_character_widths(self):
#Widths
self.session._add_object()
cw = self.character_widths
s = '['
for i in xrange(32, 256):
try:
s += str(cw[i]) + ' '
except KeyError:
s += '0 '
self.session._out(s + ']')
self.session._out('endobj')
def _output_descriptors(self):
#Descriptor
obj = self.session._add_object()
self.session._out('<</Type /FontDescriptor /FontName /%s' % self.name)
s = ''
for k in self.descriptors:
s += ' /%s %s' % (k, self.descriptors[k])
s += ' /FontFile2 %s 0 R' % (obj.id + 1)
self.session._out(s + '>>')
self.session._out('endobj')
def _output_file(self):
self.file = self.info_object.makeSubset(self.path, self.subset)
self.length1 = len(self.file)
self.file = zlib.compress(self.file)
self.length = len(self.file)
self.session._add_object()
self.session._out('<</Length ' + str(self.length))
self.session._out('/Filter /FlateDecode')
self.session._out('/Length1 ' + str(self.length1))
self.session._out('>>')
self.session._put_stream(self.file)
self.session._out('endobj')
def _cache_text(self, text):
txt_unicode = [ord(c) for c in text]
for uni in txt_unicode:
if uni not in self.subset:
self.subset.append(uni)
class PDFTTFont(PDFFont):
def __init__(self, session, family='arial', style=None, size=20):
self.session = session
self.FAMILIES = FontLoader.families
self.TTFONTS = FontLoader.font_dict
self.is_set = False
self.font_size = None
self.subset = []
self.path = None
self.diffs = None
self.diff_number = None
self.encoded = None
self.descriptors = {}
self._set_font(family, style, size)
self._cache_text("""abcdefghijklmnopqrstuvwxyz
ABCDEFGHIJKLMNOPQRSTUVWXYZ
1234567890-,.<>/?;:\'\"\\[]{}
=+_!@#$%^&*()~`""")
@staticmethod
def available_fonts():
return FontLoader.font_dict
def _set_family(self, family):
if family is not None:
family = family.lower()
if family not in self.TTFONTS:
raise Exception("%s not a valid font name" % family)
self.family = family
else:
self.family = 'arial'
def _set_name(self):
self.name = self.font_key + self.style
def _set_character_widths(self):
pass
def _set_font(self, family=None, style=None, size=None):
"""Select a font; size given in points"""
if style is not None:
if 'B' in style:
family += '_bold'
if 'I' in style:
family += '_italic'
self._set_family(family)
self._get_diffs()
self._set_style(style)
self._set_metrics()
self._set_size(size)
self._set_font_key()
def _set_metrics(self):
self.path = self.TTFONTS[self.family]
self.info_object = TTFontFile()
ttf = self.info_object
ttf.getMetrics(self.path)
self.descriptors['Ascent'] = int(round(ttf.ascent))
self.descriptors['Descent'] = int(round(ttf.descent))
self.descriptors['CapHeight'] = int(round(ttf.capHeight))
self.descriptors['Flags'] = ttf.flags
self.descriptors['FontBBox'] = '[%s %s %s %s]' % (
int(round(ttf.bbox[0])), int(round(ttf.bbox[1])),
int(round(ttf.bbox[2])), int(round(ttf.bbox[3])))
self.descriptors['ItalicAngle'] = int(ttf.italicAngle)
self.descriptors['StemV'] = int(round(ttf.stemV))
self.descriptors['MissingWidth'] = int(round(ttf.defaultWidth))
self.name = re.sub('[ ()]', '', ttf.fullName)
self.type = 'TTF'
self.character_widths = ttf.charWidths
def _get_diffs(self):
pass
def _string_width(self, s):
"""Get width of a string in the current font"""
s = str(s)
w = 0
for char in s:
char = ord(char)
w += self.character_widths[char]
return w * self.font_size / 1000.0
def _output(self):
self.session._out('<</Type /Font')
self.session._out('/BaseFont /' + self.name)
self.session._out('/Subtype /TrueType')
self.session._out('/FirstChar 32 /LastChar 255')
self.session._out('/Widths %s 0 R' % (self.number + 1))
self.session._out('/FontDescriptor %s 0 R' % (self.number + 2))
if self.diff_number is not None:
self.session._out(
'/Encoding %s 0 R' %
(self.diff_number + self.session.get_saved_number))
else:
self.session._out('/Encoding /WinAnsiEncoding')
self.session._out('>>')
self.session._out('endobj')
self._output_character_widths()
self._output_descriptors()
self._output_file()
def _output_character_widths(self):
#Widths
self.session._add_object()
cw = self.character_widths
s = '['
for i in xrange(32, 256):
try:
s += str(cw[i]) + ' '
except KeyError:
s += '0 '
self.session._out(s + ']')
self.session._out('endobj')
def _output_descriptors(self):
#Descriptor
obj = self.session._add_object()
self.session._out('<</Type /FontDescriptor /FontName /%s' % self.name)
s = ''
for k in self.descriptors:
s += ' /%s %s' % (k, self.descriptors[k])
s += ' /FontFile2 %s 0 R' % (obj.id + 1)
self.session._out(s + '>>')
self.session._out('endobj')
def _output_file(self):
self.file = self.info_object.makeSubset(self.path, self.subset)
self.length1 = len(self.file)
self.file = zlib.compress(self.file)
self.length = len(self.file)
self.session._add_object()
self.session._out('<</Length ' + str(self.length))
self.session._out('/Filter /FlateDecode')
self.session._out('/Length1 ' + str(self.length1))
self.session._out('>>')
self.session._put_stream(self.file)
self.session._out('endobj')
def _cache_text(self, text):
txt_unicode = [ord(c) for c in text]
for uni in txt_unicode:
if uni not in self.subset:
self.subset.append(uni)