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round pixel values

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This commit is contained in:
homm 2014-10-08 15:05:48 +04:00
parent ddae12928a
commit e56aed1a95
2 changed files with 10 additions and 10 deletions
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18
Tests/test_imageops_usm.py
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@ -66,7 +66,7 @@ class TestImageOpsUsm(PillowTestCase):
def test_blur_accuracy(self): def test_blur_accuracy(self):
i = snakes._new(ImageOps.gaussian_blur(snakes, .9)) i = snakes._new(ImageOps.gaussian_blur(snakes, 1))
# Alpha channel must match whole. # Alpha channel must match whole.
self.assertEqual(i.split()[3], snakes.split()[3]) self.assertEqual(i.split()[3], snakes.split()[3])
# These pixels surrounded with pixels with 255 intensity. # These pixels surrounded with pixels with 255 intensity.
@ -77,14 +77,14 @@ class TestImageOpsUsm(PillowTestCase):
self.assertEqual(i.im.getpixel((x, y))[c], 255) self.assertEqual(i.im.getpixel((x, y))[c], 255)
# Fuzzy match. # Fuzzy match.
gp = lambda x, y: i.im.getpixel((x, y)) gp = lambda x, y: i.im.getpixel((x, y))
self.assertTrue(212 <= gp(7, 4)[0] <= 214) self.assertTrue(211 <= gp(7, 4)[0] <= 213)
self.assertTrue(212 <= gp(7, 5)[2] <= 214) self.assertTrue(211 <= gp(7, 5)[2] <= 213)
self.assertTrue(212 <= gp(7, 6)[2] <= 214) self.assertTrue(211 <= gp(7, 6)[2] <= 213)
self.assertTrue(212 <= gp(7, 7)[1] <= 214) self.assertTrue(211 <= gp(7, 7)[1] <= 213)
self.assertTrue(212 <= gp(8, 4)[0] <= 214) self.assertTrue(211 <= gp(8, 4)[0] <= 213)
self.assertTrue(212 <= gp(8, 5)[2] <= 214) self.assertTrue(211 <= gp(8, 5)[2] <= 213)
self.assertTrue(212 <= gp(8, 6)[2] <= 214) self.assertTrue(211 <= gp(8, 6)[2] <= 213)
self.assertTrue(212 <= gp(8, 7)[1] <= 214) self.assertTrue(211 <= gp(8, 7)[1] <= 213)
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()

2
libImaging/UnsharpMask.c
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@ -51,7 +51,7 @@ static inline UINT8 clip(double in)
return (UINT8) 255; return (UINT8) 255;
if (in <= 0.0) if (in <= 0.0)
return (UINT8) 0; return (UINT8) 0;
return (UINT8) in; return (UINT8) (in + 0.5);
} }
static Imaging static Imaging