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fix #131 #132

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Merged
lolipopshock merged 2 commits into from
Apr 5, 2022
Merged

fix #131 #132

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80107a8
fix #131
lolipopshock Apr 5, 2022
68c3a1c
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lolipopshock Apr 5, 2022
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7 changes: 6 additions & 1 deletion src/layoutparser/visualization.py
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Original file line number Diff line number Diff line change
Expand Up @@ -318,7 +318,7 @@ def draw_box(
font_obj = _create_font_object(id_font_size, id_font_path)

if box_alpha is None:
box_alpha = [0]
box_alpha = [0] * len(layout)
else:
if isinstance(box_alpha, (float, int)):
box_alpha = [box_alpha] * len(layout)
Expand Down Expand Up @@ -363,6 +363,11 @@ def draw_box(
f"The number of colors {len(box_color)} is not equal to the number of blocks {len(layout)}"
)

# A post check of the lengths of the input lists
# To support more versions of python, we do not use
# zip(*, strict=True)
assert len(layout) == len(box_color) == len(box_alpha) == len(box_width)

for idx, (ele, color, alpha, width) in enumerate(
zip(layout, box_color, box_alpha, box_width)
):
Expand Down