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47 lines
1.3 KiB
Python
47 lines
1.3 KiB
Python
from helper import unittest, PillowTestCase, hopper
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from PIL import Image
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import copy
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class TestImageCopy(PillowTestCase):
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def test_copy(self):
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croppedCoordinates = (10, 10, 20, 20)
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croppedSize = (10, 10)
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for mode in "1", "P", "L", "RGB", "I", "F":
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# Internal copy method
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im = hopper(mode)
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out = im.copy()
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self.assertEqual(out.mode, im.mode)
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self.assertEqual(out.size, im.size)
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# Python's copy method
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im = hopper(mode)
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out = copy.copy(im)
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self.assertEqual(out.mode, im.mode)
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self.assertEqual(out.size, im.size)
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# Internal copy method on a cropped image
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im = hopper(mode)
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out = im.crop(croppedCoordinates).copy()
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self.assertEqual(out.mode, im.mode)
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self.assertEqual(out.size, croppedSize)
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# Python's copy method on a cropped image
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im = hopper(mode)
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out = copy.copy(im.crop(croppedCoordinates))
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self.assertEqual(out.mode, im.mode)
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self.assertEqual(out.size, croppedSize)
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def test_copy_zero(self):
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im = Image.new('RGB', (0, 0))
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out = im.copy()
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self.assertEqual(out.mode, im.mode)
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self.assertEqual(out.size, im.size)
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if __name__ == '__main__':
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unittest.main()
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