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[otBase/otConverters] Add array-writers for int types

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This commit is contained in:
Behdad Esfahbod 2021-04-30 15:58:45 -06:00
parent 1fd2a44bbf
commit 36dd271cd5
2 changed files with 24 additions and 0 deletions
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12
Lib/fontTools/ttLib/tables/otBase.py
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@ -428,22 +428,34 @@ class OTTableWriter(object):
def writeValue(self, typecode, value):
self.items.append(struct.pack(f">{typecode}", value))
def writeArray(self, typecode, values):
a = array.array(typecode, values)
if sys.byteorder != "big": a.byteswap()
self.items.append(a.tobytes())
def writeUShort(self, value):
assert 0 <= value < 0x10000, value
self.items.append(struct.pack(">H", value))
def writeUShortArray(self, values):
self.writeArray('H', values)
def writeShort(self, value):
assert -32768 <= value < 32768, value
self.items.append(struct.pack(">h", value))
def writeShortArray(self, values):
self.writeArray('h', values)
def writeUInt8(self, value):
assert 0 <= value < 256, value
self.items.append(struct.pack(">B", value))
def writeUInt8Array(self, values):
self.writeArray('B', values)
def writeInt8(self, value):
assert -128 <= value < 128, value
self.items.append(struct.pack(">b", value))
def writeInt8Array(self, values):
self.writeArray('b', values)
def writeUInt24(self, value):
assert 0 <= value < 0x1000000, value

12
Lib/fontTools/ttLib/tables/otConverters.py
View File

@ -234,6 +234,8 @@ class Long(IntValue):
return reader.readLongArray(count)
def write(self, writer, font, tableDict, value, repeatIndex=None):
writer.writeLong(value)
def writeArray(self, writer, font, tableDict, values):
writer.writeLongArray(values)
class ULong(IntValue):
staticSize = 4
@ -243,6 +245,8 @@ class ULong(IntValue):
return reader.readULongArray(count)
def write(self, writer, font, tableDict, value, repeatIndex=None):
writer.writeULong(value)
def writeArray(self, writer, font, tableDict, values):
writer.writeULongArray(values)
class Flags32(ULong):
@staticmethod
@ -257,6 +261,8 @@ class Short(IntValue):
return reader.readShortArray(count)
def write(self, writer, font, tableDict, value, repeatIndex=None):
writer.writeShort(value)
def writeArray(self, writer, font, tableDict, values):
writer.writeShortArray(values)
class UShort(IntValue):
staticSize = 2
@ -266,6 +272,8 @@ class UShort(IntValue):
return reader.readUShortArray(count)
def write(self, writer, font, tableDict, value, repeatIndex=None):
writer.writeUShort(value)
def writeArray(self, writer, font, tableDict, values):
writer.writeUShortArray(values)
class Int8(IntValue):
staticSize = 1
@ -275,6 +283,8 @@ class Int8(IntValue):
return reader.readInt8Array(count)
def write(self, writer, font, tableDict, value, repeatIndex=None):
writer.writeInt8(value)
def writeArray(self, writer, font, tableDict, values):
writer.writeInt8Array(values)
class UInt8(IntValue):
staticSize = 1
@ -284,6 +294,8 @@ class UInt8(IntValue):
return reader.readUInt8Array(count)
def write(self, writer, font, tableDict, value, repeatIndex=None):
writer.writeUInt8(value)
def writeArray(self, writer, font, tableDict, values):
writer.writeUInt8Array(values)
class UInt24(IntValue):
staticSize = 3