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Convert to image size based

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This commit is contained in:
James R. Barlow
2023-04-13 23:49:12 -07:00
parent 01dc8e23ff
commit 4f604591b4
3 changed files with 35 additions and 38 deletions
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tests/test_imageops.py
+7 -5
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@@ -16,13 +16,15 @@ def test_bytes_per_pixel():
def test_calculate_downsample():
im = Image.new('RGB', (100, 100))
assert calculate_downsample(im, max_size=(50, 50)) == 0.5
assert calculate_downsample(im, max_pixels=2500) == 0.5
assert calculate_downsample(im, max_bytes=10000) == 0.25
assert calculate_downsample(im, max_size=(50, 50)) == (50, 50)
assert calculate_downsample(im, max_pixels=2500) == (50, 50)
assert calculate_downsample(im, max_bytes=10000) == (50, 50)
assert calculate_downsample(im, max_bytes=100000) == (100, 100)
def test_downsample_image():
im = Image.new('RGB', (100, 100))
im.info['dpi'] = (300, 300)
assert downsample_image(im, 0.5).size == (50, 50)
assert im.info['dpi'] == (150, 150)
ds = downsample_image(im, (50, 50))
assert ds.size == (50, 50)
assert ds.info['dpi'] == (150, 150)