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Tests for all bands and combinations

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This commit is contained in:
Alexander 2017-08-15 07:45:03 +03:00
parent c5865f9abe
commit b31c74a9cc
1 changed files with 30 additions and 16 deletions
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46
Tests/test_image_filter.py
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@ -95,26 +95,40 @@ class TestImageFilter(PillowTestCase):
self.assertEqual(rankfilter.rank, 2)
def test_consistency_3x3(self):
im = Image.open("Tests/images/hopper.bmp")
emboss = im.filter(ImageFilter.Kernel((3, 3),
(-1, -1, 0,
-1, 0, 1,
0, 1, 1), .3))
source = Image.open("Tests/images/hopper.bmp")
reference = Image.open("Tests/images/hopper_emboss.bmp")
kernel = ImageFilter.Kernel((3, 3),
(-1, -1, 0,
-1, 0, 1,
0, 1, 1), .3)
source = source.split() * 2
reference = reference.split() * 2
self.assert_image_equal(
emboss, Image.open("Tests/images/hopper_emboss.bmp"))
for mode in ['L', 'LA', 'RGB', 'CMYK']:
print mode
self.assert_image_equal(
Image.merge(mode, source[:len(mode)]).filter(kernel),
Image.merge(mode, reference[:len(mode)]),
)
def test_consistency_5x5(self):
im = Image.open("Tests/images/hopper.bmp")
emboss = im.filter(ImageFilter.Kernel((5, 5),
(-1, -1, -1, -1, 0,
-1, -1, -1, 0, 1,
-1, -1, 0, 1, 1,
-1, 0, 1, 1, 1,
0, 1, 1, 1, 1), 0.3))
source = Image.open("Tests/images/hopper.bmp")
reference = Image.open("Tests/images/hopper_emboss_more.bmp")
kernel = ImageFilter.Kernel((5, 5),
(-1, -1, -1, -1, 0,
-1, -1, -1, 0, 1,
-1, -1, 0, 1, 1,
-1, 0, 1, 1, 1,
0, 1, 1, 1, 1), 0.3)
source = source.split() * 2
reference = reference.split() * 2
self.assert_image_equal(
emboss, Image.open("Tests/images/hopper_emboss_more.bmp"))
for mode in ['L', 'LA', 'RGB', 'CMYK']:
print mode
self.assert_image_equal(
Image.merge(mode, source[:len(mode)]).filter(kernel),
Image.merge(mode, reference[:len(mode)]),
)
if __name__ == '__main__':