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"""
Confirm image mask detection in TextPage extractions.
"""
import os
import pymupdf
scriptdir = os.path.abspath(os.path.dirname(__file__))
filename1 = os.path.join(scriptdir, "resources", "img-regular.pdf")
filename2 = os.path.join(scriptdir, "resources", "img-transparent.pdf")
def test_imagemask1():
doc = pymupdf.open(filename1)
page = doc[0]
blocks = page.get_text("dict")["blocks"]
img = blocks[0]
assert img["mask"] is None
img = page.get_image_info()[0]
assert img["has-mask"] is False
def test_imagemask2():
doc = pymupdf.open(filename2)
page = doc[0]
blocks = page.get_text("dict")["blocks"]
img = blocks[0]
assert type(img["mask"]) is bytes
img = page.get_image_info()[0]
assert img["has-mask"] is True
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