Adds Test Cases, Neater Code For CMap Assignment
parent
b4c261b647
commit
f1a4dcea88
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@ -649,7 +649,7 @@ class PDFCIDFont(PDFFont):
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self.cidsysteminfo = dict_value(spec.get('CIDSystemInfo', {}))
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self.cidcoding = '%s-%s' % (resolve1(self.cidsysteminfo.get('Registry', b'unknown')).decode("latin1"),
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resolve1(self.cidsysteminfo.get('Ordering', b'unknown')).decode("latin1"))
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self.cmap_setter(spec, strict)
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self.cmap = self.get_cmap_from_spec(spec, strict)
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try:
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descriptor = dict_value(spec['FontDescriptor'])
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@ -697,7 +697,7 @@ class PDFCIDFont(PDFFont):
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PDFFont.__init__(self, descriptor, widths, default_width=default_width)
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return
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def cmap_setter(self, spec, strict):
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def get_cmap_from_spec(self, spec, strict):
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"""
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For certain PDFs, Encoding Type isn't mentioned as an attribute of
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Encoding but as an attribute of CMapName, where CMapName is an
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@ -723,9 +723,9 @@ class PDFCIDFont(PDFFont):
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raise PDFFontError('CMapName unspecified for encoding')
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cmap_name = 'unknown'
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if cmap_name in IDENTITY_ENCODER:
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self.cmap = CMapDB.get_cmap(cmap_name)
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return CMapDB.get_cmap(cmap_name)
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else:
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self.cmap = CMap()
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return CMap()
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def __repr__(self):
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return '<PDFCIDFont: basefont=%r, cidcoding=%r>' % (self.basefont, self.cidcoding)
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@ -44,6 +44,34 @@ class TestPDFEncoding():
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font = PDFCIDFont(None, spec)
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assert isinstance(font.cmap, IdentityCMap)
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def test_encoding_identityH_as_PSLiteral_stream(self):
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stream = PDFStream({'CMapName':PSLiteral('Identity-H')}, '')
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spec = {'Encoding': stream}
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font = PDFCIDFont(None, spec)
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assert isinstance(font.cmap, IdentityCMap)
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def test_encoding_identityV_as_PSLiteral_stream(self):
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stream = PDFStream({'CMapName':PSLiteral('Identity-V')}, '')
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spec = {'Encoding': stream}
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font = PDFCIDFont(None, spec)
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assert isinstance(font.cmap, IdentityCMap)
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def test_encoding_identityH_as_stream(self):
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stream = PDFStream({'CMapName':'Identity-H'}, '')
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spec = {'Encoding': stream}
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font = PDFCIDFont(None, spec)
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assert isinstance(font.cmap, IdentityCMap)
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def test_encoding_identityV_as_stream(self):
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stream = PDFStream({'CMapName':'Identity-V'}, '')
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spec = {'Encoding': stream}
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font = PDFCIDFont(None, spec)
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assert isinstance(font.cmap, IdentityCMap)
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def test_font_without_spec(self):
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font = PDFCIDFont(None, {})
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assert isinstance(font.cmap, CMap)
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if __name__ == '__main__':
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nose.runmodule()
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