def test_layer_record_channel_sizes():
layer_record = LayerRecord(
left=0,
top=0,
right=100,
bottom=120,
channel_info=[
ChannelInfo(id=ChannelID.CHANNEL_0),
ChannelInfo(id=ChannelID.USER_LAYER_MASK),
ChannelInfo(id=ChannelID.REAL_USER_LAYER_MASK),
],
mask_data=MaskData(
left=20,
top=20,
right=80,
bottom=90,
real_left=10,
real_top=10,
real_right=90,
real_bottom=100,
))
channel_sizes = layer_record.channel_sizes
assert len(channel_sizes) == 3
assert channel_sizes[0] == (100, 120)
assert channel_sizes[1] == (60, 70)
assert channel_sizes[2] == (80, 90)
def test_channel_image_data():
check_write_read(ChannelImageData(), layer_records=LayerRecords())
layer_records = LayerRecords(
[LayerRecord(channel_info=[
ChannelInfo(id=0, length=18),
ChannelInfo(id=-1, length=18),
])])
channel_data_list = ChannelDataList([
ChannelData(0, b'\xff' * 16),
ChannelData(0, b'\xff' * 16),
])
check_write_read(ChannelImageData([channel_data_list]), layer_records=layer_records)
def test_channel_data_list():
channel_info = [
ChannelInfo(id=0, length=20),
ChannelInfo(id=1, length=20),
ChannelInfo(id=2, length=20),
ChannelInfo(id=-1, length=20),
]
channel_items = [
ChannelData(0, b'\x00' * 18),
ChannelData(0, b'\x00' * 18),
ChannelData(0, b'\x00' * 18),
ChannelData(0, b'\x00' * 18),
]
check_write_read(ChannelDataList(channel_items), channel_info=channel_info)
def test_layer_info():
check_write_read(LayerInfo())
layer_records = LayerRecords(
[LayerRecord(channel_info=[
ChannelInfo(id=0, length=18),
ChannelInfo(id=-1, length=18),
])])
channel_image_data = ChannelImageData(
[ChannelDataList([
ChannelData(0, b'\xff' * 16),
ChannelData(0, b'\xff' * 16),
])])
check_write_read(LayerInfo(1, layer_records, channel_image_data))
def test_channel_info():
check_write_read(ChannelInfo(id=0, length=1), version=1)
check_write_read(ChannelInfo(id=0, length=1), version=2)
# pixel layer and content layer are required
# background layer is optional
if pixel_layer is None or content_layer is None:
print("Error: Invalid PSD. PSD lacks device pixel layer or content smart object layer.")
exit(1)
if not content_layer.has_mask():
# create artifical mask from rectangular area of content layer
left, top, right, bottom = content_layer.bbox
width, height = content_layer.width, content_layer.height
depth, version = psd.depth, psd.version
# artificial channeldata, channelinfo, maskdata mimicking ones from iPhone11
data = b'\xff' * (width * height)
channel_data = ChannelData(compression=Compression.RLE)
channel_data.set_data(data, width, height, depth, version)
channel_info = ChannelInfo(id=ChannelID.USER_LAYER_MASK, length=channel_data._length)
mask_data = MaskData(
top=top,
left=left,
bottom=bottom,
right=right,
background_color=0
)
else:
# find mask channel info/data
channel_index, channel_info = next((
(i, info)
for i, info in enumerate(content_layer._record.channel_info)
if info.id == ChannelID.USER_LAYER_MASK
))
channel_data = content_layer._channels[channel_index]
