Python type1font.Type1Font方法代碼示例

# 需要導入模塊: from matplotlib import type1font [as 別名]
# 或者: from matplotlib.type1font import Type1Font [as 別名]
def embedTeXFont(self, texname, fontinfo):
        matplotlib.verbose.report(
            'Embedding TeX font ' + texname + ' - fontinfo=' + repr(fontinfo.__dict__),
            'debug')

        # Widths
        widthsObject = self.reserveObject('font widths')
        self.writeObject(widthsObject, fontinfo.dvifont.widths)

        # Font dictionary
        fontdictObject = self.reserveObject('font dictionary')
        fontdict = {
            'Type':      Name('Font'),
            'Subtype':   Name('Type1'),
            'FirstChar': 0,
            'LastChar':  len(fontinfo.dvifont.widths) - 1,
            'Widths':    widthsObject,
            }

        # Encoding (if needed)
        if fontinfo.encodingfile is not None:
            enc = dviread.Encoding(fontinfo.encodingfile)
            differencesArray = [ Name(ch) for ch in enc ]
            differencesArray = [ 0 ] + differencesArray
            fontdict['Encoding'] = \
                { 'Type': Name('Encoding'),
                  'Differences': differencesArray }

        # If no file is specified, stop short
        if fontinfo.fontfile is None:
            warnings.warn(
                'Because of TeX configuration (pdftex.map, see updmap ' +
                'option pdftexDownloadBase14) the font %s ' % fontinfo.basefont +
                'is not embedded. This is deprecated as of PDF 1.5 ' +
                'and it may cause the consumer application to show something ' +
                'that was not intended.')
            fontdict['BaseFont'] = Name(fontinfo.basefont)
            self.writeObject(fontdictObject, fontdict)
            return fontdictObject

        # We have a font file to embed - read it in and apply any effects
        t1font = type1font.Type1Font(fontinfo.fontfile)
        if fontinfo.effects:
            t1font = t1font.transform(fontinfo.effects)
        fontdict['BaseFont'] = Name(t1font.prop['FontName'])

        # Font descriptors may be shared between differently encoded
        # Type-1 fonts, so only create a new descriptor if there is no
        # existing descriptor for this font.
        effects = (fontinfo.effects.get('slant', 0.0), fontinfo.effects.get('extend', 1.0))
        fontdesc = self.type1Descriptors.get((fontinfo.fontfile, effects))
        if fontdesc is None:
            fontdesc = self.createType1Descriptor(t1font, fontinfo.fontfile)
            self.type1Descriptors[(fontinfo.fontfile, effects)] = fontdesc
        fontdict['FontDescriptor'] = fontdesc

        self.writeObject(fontdictObject, fontdict)
        return fontdictObject 

# 需要導入模塊: from matplotlib import type1font [as 別名]
# 或者: from matplotlib.type1font import Type1Font [as 別名]
def _embedTeXFont(self, fontinfo):
        _log.debug('Embedding TeX font %s - fontinfo=%s',
                   fontinfo.dvifont.texname, fontinfo.__dict__)

        # Widths
        widthsObject = self.reserveObject('font widths')
        self.writeObject(widthsObject, fontinfo.dvifont.widths)

        # Font dictionary
        fontdictObject = self.reserveObject('font dictionary')
        fontdict = {
            'Type':      Name('Font'),
            'Subtype':   Name('Type1'),
            'FirstChar': 0,
            'LastChar':  len(fontinfo.dvifont.widths) - 1,
            'Widths':    widthsObject,
            }

        # Encoding (if needed)
        if fontinfo.encodingfile is not None:
            enc = dviread.Encoding(fontinfo.encodingfile)
            differencesArray = [Name(ch) for ch in enc]
            differencesArray = [0] + differencesArray
            fontdict['Encoding'] = \
                {'Type': Name('Encoding'),
                 'Differences': differencesArray}

        # If no file is specified, stop short
        if fontinfo.fontfile is None:
            _log.warning(
                "Because of TeX configuration (pdftex.map, see updmap option "
                "pdftexDownloadBase14) the font %s is not embedded. This is "
                "deprecated as of PDF 1.5 and it may cause the consumer "
                "application to show something that was not intended.",
                fontinfo.basefont)
            fontdict['BaseFont'] = Name(fontinfo.basefont)
            self.writeObject(fontdictObject, fontdict)
            return fontdictObject

        # We have a font file to embed - read it in and apply any effects
        t1font = type1font.Type1Font(fontinfo.fontfile)
        if fontinfo.effects:
            t1font = t1font.transform(fontinfo.effects)
        fontdict['BaseFont'] = Name(t1font.prop['FontName'])

        # Font descriptors may be shared between differently encoded
        # Type-1 fonts, so only create a new descriptor if there is no
        # existing descriptor for this font.
        effects = (fontinfo.effects.get('slant', 0.0),
                   fontinfo.effects.get('extend', 1.0))
        fontdesc = self.type1Descriptors.get((fontinfo.fontfile, effects))
        if fontdesc is None:
            fontdesc = self.createType1Descriptor(t1font, fontinfo.fontfile)
            self.type1Descriptors[(fontinfo.fontfile, effects)] = fontdesc
        fontdict['FontDescriptor'] = fontdesc

        self.writeObject(fontdictObject, fontdict)
        return fontdictObject 

# 需要導入模塊: from matplotlib import type1font [as 別名]
# 或者: from matplotlib.type1font import Type1Font [as 別名]
def embedTeXFont(self, texname, fontinfo):
        msg = ('Embedding TeX font ' + texname + ' - fontinfo=' +
               repr(fontinfo.__dict__))
        matplotlib.verbose.report(msg, 'debug')

        # Widths
        widthsObject = self.reserveObject('font widths')
        self.writeObject(widthsObject, fontinfo.dvifont.widths)

        # Font dictionary
        fontdictObject = self.reserveObject('font dictionary')
        fontdict = {
            'Type':      Name('Font'),
            'Subtype':   Name('Type1'),
            'FirstChar': 0,
            'LastChar':  len(fontinfo.dvifont.widths) - 1,
            'Widths':    widthsObject,
            }

        # Encoding (if needed)
        if fontinfo.encodingfile is not None:
            enc = dviread.Encoding(fontinfo.encodingfile)
            differencesArray = [Name(ch) for ch in enc]
            differencesArray = [0] + differencesArray
            fontdict['Encoding'] = \
                {'Type': Name('Encoding'),
                 'Differences': differencesArray}

        # If no file is specified, stop short
        if fontinfo.fontfile is None:
            msg = ('Because of TeX configuration (pdftex.map, see updmap '
                   'option pdftexDownloadBase14) the font {0} is not '
                   'embedded. This is deprecated as of PDF 1.5 and it may '
                   'cause the consumer application to show something that '
                   'was not intended.').format(fontinfo.basefont)
            warnings.warn(msg)
            fontdict['BaseFont'] = Name(fontinfo.basefont)
            self.writeObject(fontdictObject, fontdict)
            return fontdictObject

        # We have a font file to embed - read it in and apply any effects
        t1font = type1font.Type1Font(fontinfo.fontfile)
        if fontinfo.effects:
            t1font = t1font.transform(fontinfo.effects)
        fontdict['BaseFont'] = Name(t1font.prop['FontName'])

        # Font descriptors may be shared between differently encoded
        # Type-1 fonts, so only create a new descriptor if there is no
        # existing descriptor for this font.
        effects = (fontinfo.effects.get('slant', 0.0),
                   fontinfo.effects.get('extend', 1.0))
        fontdesc = self.type1Descriptors.get((fontinfo.fontfile, effects))
        if fontdesc is None:
            fontdesc = self.createType1Descriptor(t1font, fontinfo.fontfile)
            self.type1Descriptors[(fontinfo.fontfile, effects)] = fontdesc
        fontdict['FontDescriptor'] = fontdesc

        self.writeObject(fontdictObject, fontdict)
        return fontdictObject 

# 需要導入模塊: from matplotlib import type1font [as 別名]
# 或者: from matplotlib.type1font import Type1Font [as 別名]
def test_Type1Font():
    filename = os.path.join(os.path.dirname(__file__), 'cmr10.pfb')
    font = t1f.Type1Font(filename)
    slanted = font.transform({'slant': 1})
    condensed = font.transform({'extend': 0.5})
    with open(filename, 'rb') as fd:
        rawdata = fd.read()
    assert font.parts[0] == rawdata[0x0006:0x10c5]
    assert font.parts[1] == rawdata[0x10cb:0x897f]
    assert font.parts[2] == rawdata[0x8985:0x8ba6]
    assert font.parts[1:] == slanted.parts[1:]
    assert font.parts[1:] == condensed.parts[1:]

    differ = difflib.Differ()
    diff = list(differ.compare(
        font.parts[0].decode('latin-1').splitlines(),
        slanted.parts[0].decode('latin-1').splitlines()))
    for line in (
         # Removes UniqueID
         '- FontDirectory/CMR10 known{/CMR10 findfont dup/UniqueID known{dup',
         '+ FontDirectory/CMR10 known{/CMR10 findfont dup',
         # Changes the font name
        '- /FontName /CMR10 def',
        '+ /FontName /CMR10_Slant_1000 def',
         # Alters FontMatrix
         '- /FontMatrix [0.001 0 0 0.001 0 0 ]readonly def',
         '+ /FontMatrix [0.001 0.0 0.001 0.001 0.0 0.0]readonly def',
         # Alters ItalicAngle
         '-  /ItalicAngle 0 def',
         '+  /ItalicAngle -45.0 def'):
        assert line in diff, 'diff to slanted font must contain %s' % line

    diff = list(differ.compare(font.parts[0].decode('latin-1').splitlines(),
                          condensed.parts[0].decode('latin-1').splitlines()))
    for line in (
         # Removes UniqueID
         '- FontDirectory/CMR10 known{/CMR10 findfont dup/UniqueID known{dup',
         '+ FontDirectory/CMR10 known{/CMR10 findfont dup',
         # Changes the font name
        '- /FontName /CMR10 def',
        '+ /FontName /CMR10_Extend_500 def',
         # Alters FontMatrix
         '- /FontMatrix [0.001 0 0 0.001 0 0 ]readonly def',
         '+ /FontMatrix [0.0005 0.0 0.0 0.001 0.0 0.0]readonly def'):
        assert line in diff, 'diff to condensed font must contain %s' % line