def test_tagged_blocks():
blocks = TaggedBlocks([(Tag.LAYER_VERSION,
TaggedBlock(key=Tag.LAYER_VERSION,
data=IntegerElement(1)))])
check_write_read(blocks)
check_write_read(blocks, version=2)
check_write_read(blocks, version=2, padding=4)
display(blocks)
assert blocks.get_data(Tag.LAYER_VERSION)
assert blocks.get_data(Tag.LAYER_ID) is None
assert len([1 for key in blocks if key == Tag.LAYER_VERSION]) == 1
def test_tagged_blocks():
blocks = TaggedBlocks([(TaggedBlockID.LAYER_VERSION,
TaggedBlock(key=TaggedBlockID.LAYER_VERSION,
data=IntegerElement(1)))])
check_write_read(blocks)
check_write_read(blocks, version=2)
check_write_read(blocks, version=2, padding=4)
def test_layer_record():
tagged_blocks = TaggedBlocks([
(TaggedBlockID.LAYER_VERSION, TaggedBlock(key=TaggedBlockID.LAYER_VERSION, data=IntegerElement(0))),
])
check_write_read(LayerRecord())
check_write_read(LayerRecord(name='foo', tagged_blocks=tagged_blocks))
check_write_read(LayerRecord(tagged_blocks=tagged_blocks), version=2)
def _read_body(cls, fp, encoding, version):
layer_info = LayerInfo.read(fp, encoding, version)
global_layer_mask_info = None
if is_readable(fp):
global_layer_mask_info = GlobalLayerMaskInfo.read(fp)
tagged_blocks = None
if is_readable(fp):
# For some reason, global tagged blocks aligns 4 byte
tagged_blocks = TaggedBlocks.read(fp, version=version, padding=4)
return cls(layer_info, global_layer_mask_info, tagged_blocks)
def _read_extra(cls, fp, encoding, version):
mask_data = MaskData.read(fp)
blending_ranges = LayerBlendingRanges.read(fp)
name = read_pascal_string(fp, encoding, padding=4)
tagged_blocks = TaggedBlocks.read(fp, version=version, padding=1)
return mask_data, blending_ranges, name, tagged_blocks
