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58 lines
1.6 KiB
Python
58 lines
1.6 KiB
Python
from __future__ import annotations
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import pytest
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from PIL import Image
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from .helper import hopper
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def test_sanity() -> None:
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bbox = hopper().getbbox()
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assert isinstance(bbox, tuple)
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def test_bbox() -> None:
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def check(im: Image.Image, fill_color: int | tuple[int, ...]) -> None:
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assert im.getbbox() is None
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im.paste(fill_color, (10, 25, 90, 75))
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assert im.getbbox() == (10, 25, 90, 75)
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im.paste(fill_color, (25, 10, 75, 90))
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assert im.getbbox() == (10, 10, 90, 90)
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im.paste(fill_color, (-10, -10, 110, 110))
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assert im.getbbox() == (0, 0, 100, 100)
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# 8-bit mode
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im = Image.new("L", (100, 100), 0)
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check(im, 255)
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# 32-bit mode
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im = Image.new("RGB", (100, 100), 0)
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check(im, 255)
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for mode in ("RGBA", "RGBa"):
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for rgba_color in ((0, 0, 0, 0), (127, 127, 127, 0), (255, 255, 255, 0)):
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im = Image.new(mode, (100, 100), rgba_color)
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check(im, (255, 255, 255, 255))
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for mode in ("La", "LA", "PA"):
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for color in ((0, 0), (127, 0), (255, 0)):
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im = Image.new(mode, (100, 100), color)
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check(im, (255, 255))
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@pytest.mark.parametrize("mode", ("RGBA", "RGBa", "La", "LA", "PA"))
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def test_bbox_alpha_only_false(mode: str) -> None:
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im = Image.new(mode, (100, 100))
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assert im.getbbox(alpha_only=False) is None
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fill_color = [1] * Image.getmodebands(mode)
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fill_color[-1] = 0
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im.paste(tuple(fill_color), (25, 25, 75, 75))
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assert im.getbbox(alpha_only=False) == (25, 25, 75, 75)
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assert im.getbbox() is None
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