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import numpy as np
from PIL import Image, ImageDraw
from adetailer.common import create_bbox_from_mask, create_mask_from_bbox
def test_create_mask_from_bbox():
img = Image.new("L", (10, 10), color="black")
bbox = [[1.0, 1.0, 2.0, 2.0], [7.0, 7.0, 8.0, 8.0]]
masks = create_mask_from_bbox(bbox, img.size)
expect1 = np.array(
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 255, 255, 0, 0, 0, 0, 0, 0, 0],
[0, 255, 255, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
],
dtype=np.uint8,
)
expect2 = np.array(
[
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
[0, 0, 0, 0, 0, 0, 0, 255, 255, 0],
[0, 0, 0, 0, 0, 0, 0, 255, 255, 0],
[0, 0, 0, 0, 0, 0, 0, 0, 0, 0],
],
dtype=np.uint8,
)
assert len(masks) == len(bbox)
arr1 = np.array(masks[0])
arr2 = np.array(masks[1])
assert arr1.shape == expect1.shape
assert arr2.shape == expect2.shape
assert arr1.shape == (10, 10)
assert arr1.dtype == expect1.dtype
assert arr2.dtype == expect2.dtype
assert np.array_equal(arr1, expect1)
assert np.array_equal(arr2, expect2)
# The function correctly receives a list of masks and the shape of the image.
def test_create_bbox_from_mask():
mask = Image.new("L", (10, 10), color="black")
draw = ImageDraw.Draw(mask)
draw.rectangle((2, 2, 5, 5), fill="white")
result = create_bbox_from_mask([mask], (10, 10))
assert isinstance(result, list)
assert len(result) == 1
assert all(isinstance(bbox, list) for bbox in result)
assert all(len(bbox) == 4 for bbox in result)
assert result[0] == [2, 2, 6, 6]
result = create_bbox_from_mask([mask], (256, 256))
assert result[0] == [38, 38, 166, 166]