/usr/lib/python3/dist-packages/fontTools/ttLib/tables/BitmapGlyphMetrics.py is in python3-fonttools 3.21.2-1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | # Since bitmap glyph metrics are shared between EBLC and EBDT
# this class gets its own python file.
from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from fontTools.misc import sstruct
from fontTools.misc.textTools import safeEval
import logging
log = logging.getLogger(__name__)
bigGlyphMetricsFormat = """
> # big endian
height: B
width: B
horiBearingX: b
horiBearingY: b
horiAdvance: B
vertBearingX: b
vertBearingY: b
vertAdvance: B
"""
smallGlyphMetricsFormat = """
> # big endian
height: B
width: B
BearingX: b
BearingY: b
Advance: B
"""
class BitmapGlyphMetrics(object):
def toXML(self, writer, ttFont):
writer.begintag(self.__class__.__name__)
writer.newline()
for metricName in sstruct.getformat(self.__class__.binaryFormat)[1]:
writer.simpletag(metricName, value=getattr(self, metricName))
writer.newline()
writer.endtag(self.__class__.__name__)
writer.newline()
def fromXML(self, name, attrs, content, ttFont):
metricNames = set(sstruct.getformat(self.__class__.binaryFormat)[1])
for element in content:
if not isinstance(element, tuple):
continue
name, attrs, content = element
# Make sure this is a metric that is needed by GlyphMetrics.
if name in metricNames:
vars(self)[name] = safeEval(attrs['value'])
else:
log.warning("unknown name '%s' being ignored in %s.", name, self.__class__.__name__)
class BigGlyphMetrics(BitmapGlyphMetrics):
binaryFormat = bigGlyphMetricsFormat
class SmallGlyphMetrics(BitmapGlyphMetrics):
binaryFormat = smallGlyphMetricsFormat
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