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
|
from __future__ import print_function, division, absolute_import
from fontTools.misc.py23 import *
from . import DefaultTable
import sys
import array
import warnings
class table__l_o_c_a(DefaultTable.DefaultTable):
dependencies = ['glyf']
def decompile(self, data, ttFont):
longFormat = ttFont['head'].indexToLocFormat
if longFormat:
format = "I"
else:
format = "H"
locations = array.array(format)
locations.fromstring(data)
if sys.byteorder != "big":
locations.byteswap()
if not longFormat:
l = array.array("I")
for i in range(len(locations)):
l.append(locations[i] * 2)
locations = l
if len(locations) < (ttFont['maxp'].numGlyphs + 1):
warnings.warn("corrupt 'loca' table, or wrong numGlyphs in 'maxp': %d %d" % (len(locations) - 1, ttFont['maxp'].numGlyphs))
self.locations = locations
def compile(self, ttFont):
try:
max_location = max(self.locations)
except AttributeError:
self.set([])
max_location = 0
if max_location < 0x20000:
locations = array.array("H")
for i in range(len(self.locations)):
locations.append(self.locations[i] // 2)
ttFont['head'].indexToLocFormat = 0
else:
locations = array.array("I", self.locations)
ttFont['head'].indexToLocFormat = 1
if sys.byteorder != "big":
locations.byteswap()
return locations.tostring()
def set(self, locations):
self.locations = array.array("I", locations)
def toXML(self, writer, ttFont):
writer.comment("The 'loca' table will be calculated by the compiler")
writer.newline()
def __getitem__(self, index):
return self.locations[index]
def __len__(self):
return len(self.locations)
|
