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47 lines
1.7 KiB
Python
47 lines
1.7 KiB
Python
from helper import unittest, PillowTestCase, tearDownModule, lena
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from PIL import Image
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im = lena().resize((128, 100))
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class TestImageCrop(PillowTestCase):
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def test_toarray(self):
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def test(mode):
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ai = im.convert(mode).__array_interface__
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return ai["shape"], ai["typestr"], len(ai["data"])
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# self.assertEqual(test("1"), ((100, 128), '|b1', 1600))
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self.assertEqual(test("L"), ((100, 128), '|u1', 12800))
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# FIXME: wrong?
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self.assertEqual(test("I"), ((100, 128), Image._ENDIAN + 'i4', 51200))
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# FIXME: wrong?
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self.assertEqual(test("F"), ((100, 128), Image._ENDIAN + 'f4', 51200))
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self.assertEqual(test("RGB"), ((100, 128, 3), '|u1', 38400))
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self.assertEqual(test("RGBA"), ((100, 128, 4), '|u1', 51200))
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self.assertEqual(test("RGBX"), ((100, 128, 4), '|u1', 51200))
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def test_fromarray(self):
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def test(mode):
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i = im.convert(mode)
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a = i.__array_interface__
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a["strides"] = 1 # pretend it's non-contigous
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i.__array_interface__ = a # patch in new version of attribute
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out = Image.fromarray(i)
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return out.mode, out.size, list(i.getdata()) == list(out.getdata())
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# self.assertEqual(test("1"), ("1", (128, 100), True))
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self.assertEqual(test("L"), ("L", (128, 100), True))
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self.assertEqual(test("I"), ("I", (128, 100), True))
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self.assertEqual(test("F"), ("F", (128, 100), True))
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self.assertEqual(test("RGB"), ("RGB", (128, 100), True))
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self.assertEqual(test("RGBA"), ("RGBA", (128, 100), True))
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self.assertEqual(test("RGBX"), ("RGBA", (128, 100), True))
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if __name__ == '__main__':
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unittest.main()
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# End of file
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