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86 lines
2.3 KiB
Python
86 lines
2.3 KiB
Python
from helper import unittest, PillowTestCase, tearDownModule, lena
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from PIL import ImageOps
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class TestImageOps(PillowTestCase):
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class Deformer:
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def getmesh(self, im):
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x, y = im.size
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return [((0, 0, x, y), (0, 0, x, 0, x, y, y, 0))]
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deformer = Deformer()
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def test_sanity(self):
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ImageOps.autocontrast(lena("L"))
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ImageOps.autocontrast(lena("RGB"))
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ImageOps.autocontrast(lena("L"), cutoff=10)
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ImageOps.autocontrast(lena("L"), ignore=[0, 255])
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ImageOps.colorize(lena("L"), (0, 0, 0), (255, 255, 255))
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ImageOps.colorize(lena("L"), "black", "white")
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ImageOps.crop(lena("L"), 1)
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ImageOps.crop(lena("RGB"), 1)
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ImageOps.deform(lena("L"), self.deformer)
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ImageOps.deform(lena("RGB"), self.deformer)
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ImageOps.equalize(lena("L"))
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ImageOps.equalize(lena("RGB"))
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ImageOps.expand(lena("L"), 1)
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ImageOps.expand(lena("RGB"), 1)
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ImageOps.expand(lena("L"), 2, "blue")
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ImageOps.expand(lena("RGB"), 2, "blue")
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ImageOps.fit(lena("L"), (128, 128))
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ImageOps.fit(lena("RGB"), (128, 128))
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ImageOps.flip(lena("L"))
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ImageOps.flip(lena("RGB"))
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ImageOps.grayscale(lena("L"))
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ImageOps.grayscale(lena("RGB"))
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ImageOps.invert(lena("L"))
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ImageOps.invert(lena("RGB"))
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ImageOps.mirror(lena("L"))
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ImageOps.mirror(lena("RGB"))
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ImageOps.posterize(lena("L"), 4)
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ImageOps.posterize(lena("RGB"), 4)
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ImageOps.solarize(lena("L"))
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ImageOps.solarize(lena("RGB"))
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def test_1pxfit(self):
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# Division by zero in equalize if image is 1 pixel high
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newimg = ImageOps.fit(lena("RGB").resize((1, 1)), (35, 35))
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self.assertEqual(newimg.size, (35, 35))
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newimg = ImageOps.fit(lena("RGB").resize((1, 100)), (35, 35))
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self.assertEqual(newimg.size, (35, 35))
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newimg = ImageOps.fit(lena("RGB").resize((100, 1)), (35, 35))
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self.assertEqual(newimg.size, (35, 35))
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def test_pil163(self):
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# Division by zero in equalize if < 255 pixels in image (@PIL163)
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i = lena("RGB").resize((15, 16))
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ImageOps.equalize(i.convert("L"))
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ImageOps.equalize(i.convert("P"))
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ImageOps.equalize(i.convert("RGB"))
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if __name__ == '__main__':
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unittest.main()
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# End of file
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