shadowfacts/fonttools
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Return three-byte operands from encodeIntCFF

Browse Source
This commit is contained in:
David Corbett 2023-07-06 15:45:31 -04:00 committed by Behdad Esfahbod
parent 3235454fcd
commit 4660b8c359
1 changed files with 20 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
Lib/fontTools/misc/psCharStrings.py
View File

@ -197,11 +197,14 @@ t2Operators = [
def getIntEncoder(format): def getIntEncoder(format):
if format == "cff": if format == "cff":
twoByteOp = bytechr(28)
fourByteOp = bytechr(29) fourByteOp = bytechr(29)
elif format == "t1": elif format == "t1":
twoByteOp = None
fourByteOp = bytechr(255) fourByteOp = bytechr(255)
else: else:
assert format == "t2" assert format == "t2"
twoByteOp = bytechr(28)
fourByteOp = None fourByteOp = None
def encodeInt( def encodeInt(
@ -210,6 +213,7 @@ def getIntEncoder(format):
bytechr=bytechr, bytechr=bytechr,
pack=struct.pack, pack=struct.pack,
unpack=struct.unpack, unpack=struct.unpack,
twoByteOp=twoByteOp,
): ):
if -107 <= value <= 107: if -107 <= value <= 107:
code = bytechr(value + 139) code = bytechr(value + 139)
@ -219,11 +223,9 @@ def getIntEncoder(format):
elif -1131 <= value <= -108: elif -1131 <= value <= -108:
value = -value - 108 value = -value - 108
code = bytechr((value >> 8) + 251) + bytechr(value & 0xFF) code = bytechr((value >> 8) + 251) + bytechr(value & 0xFF)
elif twoByteOp is not None and -32768 <= value <= 32767:
code = twoByteOp + pack(">h", value)
elif fourByteOp is None: elif fourByteOp is None:
# T2 only supports 2 byte ints
if -32768 <= value <= 32767:
code = bytechr(28) + pack(">h", value)
else:
# Backwards compatible hack: due to a previous bug in FontTools, # Backwards compatible hack: due to a previous bug in FontTools,
# 16.16 fixed numbers were written out as 4-byte ints. When # 16.16 fixed numbers were written out as 4-byte ints. When
# these numbers were small, they were wrongly written back as # these numbers were small, they were wrongly written back as