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ROB: MissingWidth is IndirectObject #2288

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merged 3 commits into from
Nov 14, 2023
Merged

ROB: MissingWidth is IndirectObject #2288

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7393e1f
ROB: MissingWidth is IndirectObject
MartinThoma Nov 9, 2023
91c85a9
Update pypdf/_cmap.py
MartinThoma Nov 14, 2023
c84f841
Update pypdf/_cmap.py
MartinThoma Nov 14, 2023
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13 changes: 12 additions & 1 deletion pypdf/_cmap.py
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@
from ._codecs import adobe_glyphs, charset_encoding
from ._utils import b_, logger_warning
from .errors import PdfReadWarning
from .generic import DecodedStreamObject, DictionaryObject, StreamObject
from .generic import DecodedStreamObject, DictionaryObject, IndirectObject, NullObject, StreamObject


# code freely inspired from @twiggy ; see #711
Expand Down Expand Up @@ -457,6 +457,17 @@
m += x
cpt += 1
sp_width = m / max(1, cpt) / 2

if isinstance(sp_width, IndirectObject):
# According to
# 'Table 122 - Entries common to all font descriptors (continued)'
# the MissingWidth should be a number, but according to #2286 it can
# be an indirect object
obj = sp_width.get_object()

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if obj is None or isinstance(obj, NullObject):
return 0.0
return obj # type: ignore

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return sp_width


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