Merge pull request #203 from jbarlow83/negative-descent
Interpret font Descent as a negative number even if specified as positivepull/306/head
commit
63b2e09ac3
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@ -489,6 +489,13 @@ class PDFFont(object):
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self.leading = num_value(descriptor.get('Leading', 0))
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self.leading = num_value(descriptor.get('Leading', 0))
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self.bbox = list_value(resolve_all(descriptor.get('FontBBox', (0, 0, 0, 0))))
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self.bbox = list_value(resolve_all(descriptor.get('FontBBox', (0, 0, 0, 0))))
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self.hscale = self.vscale = .001
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self.hscale = self.vscale = .001
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# PDF RM 9.8.1 specifies /Descent should always be a negative number.
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# PScript5.dll seems to produce Descent with a positive number, but
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# text analysis will be wrong if this is taken as correct. So force
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# descent to negative.
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if self.descent > 0:
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self.descent = -self.descent
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return
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return
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def __repr__(self):
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def __repr__(self):
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@ -504,9 +511,11 @@ class PDFFont(object):
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return bytearray(bytes) # map(ord, bytes)
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return bytearray(bytes) # map(ord, bytes)
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def get_ascent(self):
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def get_ascent(self):
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"""Ascent above the baseline, in text space units"""
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return self.ascent * self.vscale
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return self.ascent * self.vscale
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def get_descent(self):
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def get_descent(self):
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"""Descent below the baseline, in text space units; always negative"""
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return self.descent * self.vscale
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return self.descent * self.vscale
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def get_width(self):
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def get_width(self):
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