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Port cmap table from numpy to array module

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This commit is contained in:
Behdad Esfahbod 2013-08-16 12:56:08 -04:00
parent fd647bf353
commit 8da8242d61
1 changed files with 9 additions and 10 deletions
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19
Lib/fontTools/ttLib/tables/_c_m_a_p.py
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@ -2,7 +2,6 @@ import sys
import DefaultTable import DefaultTable
import struct import struct
import array import array
import numpy
import operator import operator
from fontTools import ttLib from fontTools import ttLib
from fontTools.misc.textTools import safeEval, readHex from fontTools.misc.textTools import safeEval, readHex
@ -197,7 +196,7 @@ class cmap_format_0(CmapSubtable):
assert charCodes == range(256) assert charCodes == range(256)
valueList = map(ttFont.getGlyphID, valueList) valueList = map(ttFont.getGlyphID, valueList)
glyphIdArray = numpy.array(valueList, numpy.int8) glyphIdArray = array.array("B", valueList)
data = struct.pack(">HHH", 0, 262, self.language) + glyphIdArray.tostring() data = struct.pack(">HHH", 0, 262, self.language) + glyphIdArray.tostring()
assert len(data) == 262 assert len(data) == 262
return data return data
@ -799,13 +798,13 @@ class cmap_format_4(CmapSubtable):
entrySelector = maxExponent entrySelector = maxExponent
rangeShift = 2 * segCount - searchRange rangeShift = 2 * segCount - searchRange
charCodeArray = numpy.array( endCode + [0] + startCode, numpy.uint16) charCodeArray = array.array("H", endCode + [0] + startCode)
idDeltaeArray = numpy.array(idDelta, numpy.int16) idDeltaeArray = array.array("h", idDelta)
restArray = numpy.array(idRangeOffset + glyphIndexArray, numpy.uint16) restArray = array.array("H", idRangeOffset + glyphIndexArray)
if sys.byteorder <> "big": if sys.byteorder <> "big":
charCodeArray = charCodeArray.byteswap() charCodeArray.byteswap()
idDeltaeArray = idDeltaeArray.byteswap() idDeltaeArray.byteswap()
restArray = restArray.byteswap() restArray.byteswap()
data = charCodeArray.tostring() + idDeltaeArray.tostring() + restArray.tostring() data = charCodeArray.tostring() + idDeltaeArray.tostring() + restArray.tostring()
length = struct.calcsize(cmap_format_4_format) + len(data) length = struct.calcsize(cmap_format_4_format) + len(data)
@ -873,9 +872,9 @@ class cmap_format_6(CmapSubtable):
firstCode = codes[0] firstCode = codes[0]
valueList = map(operator.getitem, [cmap]*lenCodes, codes) valueList = map(operator.getitem, [cmap]*lenCodes, codes)
valueList = map(ttFont.getGlyphID, valueList) valueList = map(ttFont.getGlyphID, valueList)
glyphIndexArray = numpy.array(valueList, numpy.uint16) glyphIndexArray = array.array("H", valueList)
if sys.byteorder <> "big": if sys.byteorder <> "big":
glyphIndexArray = glyphIndexArray.byteswap() glyphIndexArray.byteswap()
data = glyphIndexArray.tostring() data = glyphIndexArray.tostring()
else: else:
data = "" data = ""