/usr/lib/python3/dist-packages/fontTools/ttLib/tables/V_O_R_G_.py is in python3-fonttools 3.21.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 | from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from fontTools.misc.textTools import safeEval
from . import DefaultTable
import operator
import struct
class table_V_O_R_G_(DefaultTable.DefaultTable):
""" This table is structured so that you can treat it like a dictionary keyed by glyph name.
ttFont['VORG'][<glyphName>] will return the vertical origin for any glyph
ttFont['VORG'][<glyphName>] = <value> will set the vertical origin for any glyph.
"""
def decompile(self, data, ttFont):
self.getGlyphName = ttFont.getGlyphName # for use in get/set item functions, for access by GID
self.majorVersion, self.minorVersion, self.defaultVertOriginY, self.numVertOriginYMetrics = struct.unpack(">HHhH", data[:8])
assert (self.majorVersion <= 1), "Major version of VORG table is higher than I know how to handle"
data = data[8:]
vids = []
gids = []
pos = 0
for i in range(self.numVertOriginYMetrics):
gid, vOrigin = struct.unpack(">Hh", data[pos:pos+4])
pos += 4
gids.append(gid)
vids.append(vOrigin)
self.VOriginRecords = vOrig = {}
glyphOrder = ttFont.getGlyphOrder()
try:
names = map(operator.getitem, [glyphOrder]*self.numVertOriginYMetrics, gids)
except IndexError:
getGlyphName = self.getGlyphName
names = map(getGlyphName, gids )
list(map(operator.setitem, [vOrig]*self.numVertOriginYMetrics, names, vids))
def compile(self, ttFont):
vorgs = list(self.VOriginRecords.values())
names = list(self.VOriginRecords.keys())
nameMap = ttFont.getReverseGlyphMap()
lenRecords = len(vorgs)
try:
gids = map(operator.getitem, [nameMap]*lenRecords, names)
except KeyError:
nameMap = ttFont.getReverseGlyphMap(rebuild=True)
gids = map(operator.getitem, [nameMap]*lenRecords, names)
vOriginTable = list(zip(gids, vorgs))
self.numVertOriginYMetrics = lenRecords
vOriginTable.sort() # must be in ascending GID order
dataList = [ struct.pack(">Hh", rec[0], rec[1]) for rec in vOriginTable]
header = struct.pack(">HHhH", self.majorVersion, self.minorVersion, self.defaultVertOriginY, self.numVertOriginYMetrics)
dataList.insert(0, header)
data = bytesjoin(dataList)
return data
def toXML(self, writer, ttFont):
writer.simpletag("majorVersion", value=self.majorVersion)
writer.newline()
writer.simpletag("minorVersion", value=self.minorVersion)
writer.newline()
writer.simpletag("defaultVertOriginY", value=self.defaultVertOriginY)
writer.newline()
writer.simpletag("numVertOriginYMetrics", value=self.numVertOriginYMetrics)
writer.newline()
vOriginTable = []
glyphNames = self.VOriginRecords.keys()
for glyphName in glyphNames:
try:
gid = ttFont.getGlyphID(glyphName)
except:
assert 0, "VORG table contains a glyph name not in ttFont.getGlyphNames(): " + str(glyphName)
vOriginTable.append([gid, glyphName, self.VOriginRecords[glyphName]])
vOriginTable.sort()
for entry in vOriginTable:
vOriginRec = VOriginRecord(entry[1], entry[2])
vOriginRec.toXML(writer, ttFont)
def fromXML(self, name, attrs, content, ttFont):
if not hasattr(self, "VOriginRecords"):
self.VOriginRecords = {}
self.getGlyphName = ttFont.getGlyphName # for use in get/set item functions, for access by GID
if name == "VOriginRecord":
vOriginRec = VOriginRecord()
for element in content:
if isinstance(element, basestring):
continue
name, attrs, content = element
vOriginRec.fromXML(name, attrs, content, ttFont)
self.VOriginRecords[vOriginRec.glyphName] = vOriginRec.vOrigin
elif "value" in attrs:
setattr(self, name, safeEval(attrs["value"]))
def __getitem__(self, glyphSelector):
if isinstance(glyphSelector, int):
# its a gid, convert to glyph name
glyphSelector = self.getGlyphName(glyphSelector)
if glyphSelector not in self.VOriginRecords:
return self.defaultVertOriginY
return self.VOriginRecords[glyphSelector]
def __setitem__(self, glyphSelector, value):
if isinstance(glyphSelector, int):
# its a gid, convert to glyph name
glyphSelector = self.getGlyphName(glyphSelector)
if value != self.defaultVertOriginY:
self.VOriginRecords[glyphSelector] = value
elif glyphSelector in self.VOriginRecords:
del self.VOriginRecords[glyphSelector]
def __delitem__(self, glyphSelector):
del self.VOriginRecords[glyphSelector]
class VOriginRecord(object):
def __init__(self, name=None, vOrigin=None):
self.glyphName = name
self.vOrigin = vOrigin
def toXML(self, writer, ttFont):
writer.begintag("VOriginRecord")
writer.newline()
writer.simpletag("glyphName", value=self.glyphName)
writer.newline()
writer.simpletag("vOrigin", value=self.vOrigin)
writer.newline()
writer.endtag("VOriginRecord")
writer.newline()
def fromXML(self, name, attrs, content, ttFont):
value = attrs["value"]
if name == "glyphName":
setattr(self, name, value)
else:
setattr(self, name, safeEval(value))
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