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[TTFont] sync doc string with the one in _c_m_a_p.py (see also #1367)

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justvanrossum 2022-04-09 08:31:03 +02:00
parent 17f71c0eb7
commit c6cd6cf421
1 changed files with 17 additions and 12 deletions
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29
Lib/fontTools/ttLib/ttFont.py
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@ -698,22 +698,27 @@ class TTFont(object):
return glyphs return glyphs
def getBestCmap(self, cmapPreferences=((3, 10), (0, 6), (0, 4), (3, 1), (0, 3), (0, 2), (0, 1), (0, 0))): def getBestCmap(self, cmapPreferences=((3, 10), (0, 6), (0, 4), (3, 1), (0, 3), (0, 2), (0, 1), (0, 0))):
"""Return the 'best' unicode cmap dictionary available in the font, """Returns the 'best' Unicode cmap dictionary available in the font
or None, if no unicode cmap subtable is available. or ``None``, if no Unicode cmap subtable is available.
By default it will search for the following (platformID, platEncID) By default it will search for the following (platformID, platEncID)
pairs:: pairs in order::
(3, 10), (3, 10), # Windows Unicode full repertoire
(0, 6), (0, 6), # Unicode full repertoire (format 13 subtable)
(0, 4), (0, 4), # Unicode 2.0 full repertoire
(3, 1), (3, 1), # Windows Unicode BMP
(0, 3), (0, 3), # Unicode 2.0 BMP
(0, 2), (0, 2), # Unicode ISO/IEC 10646
(0, 1), (0, 1), # Unicode 1.1
(0, 0) (0, 0) # Unicode 1.0
This can be customized via the ``cmapPreferences`` argument. This particular order matches what HarfBuzz uses to choose what
subtable to use by default. This order prefers the largest-repertoire
subtable, and among those, prefers the Windows-platform over the
Unicode-platform as the former has wider support.
This order can be customized via the ``cmapPreferences`` argument.
""" """
return self["cmap"].getBestCmap(cmapPreferences=cmapPreferences) return self["cmap"].getBestCmap(cmapPreferences=cmapPreferences)