mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-11-10 19:56:47 +03:00
68 lines
2.4 KiB
Python
68 lines
2.4 KiB
Python
from helper import unittest, PillowTestCase, hopper
|
|
|
|
from PIL import Image
|
|
|
|
|
|
class TestImageSplit(PillowTestCase):
|
|
|
|
def test_split(self):
|
|
def split(mode):
|
|
layers = hopper(mode).split()
|
|
return [(i.mode, i.size[0], i.size[1]) for i in layers]
|
|
self.assertEqual(split("1"), [('1', 128, 128)])
|
|
self.assertEqual(split("L"), [('L', 128, 128)])
|
|
self.assertEqual(split("I"), [('I', 128, 128)])
|
|
self.assertEqual(split("F"), [('F', 128, 128)])
|
|
self.assertEqual(split("P"), [('P', 128, 128)])
|
|
self.assertEqual(
|
|
split("RGB"), [('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
|
|
self.assertEqual(
|
|
split("RGBA"),
|
|
[('L', 128, 128), ('L', 128, 128),
|
|
('L', 128, 128), ('L', 128, 128)])
|
|
self.assertEqual(
|
|
split("CMYK"),
|
|
[('L', 128, 128), ('L', 128, 128),
|
|
('L', 128, 128), ('L', 128, 128)])
|
|
self.assertEqual(
|
|
split("YCbCr"),
|
|
[('L', 128, 128), ('L', 128, 128), ('L', 128, 128)])
|
|
|
|
def test_split_merge(self):
|
|
def split_merge(mode):
|
|
return Image.merge(mode, hopper(mode).split())
|
|
self.assert_image_equal(hopper("1"), split_merge("1"))
|
|
self.assert_image_equal(hopper("L"), split_merge("L"))
|
|
self.assert_image_equal(hopper("I"), split_merge("I"))
|
|
self.assert_image_equal(hopper("F"), split_merge("F"))
|
|
self.assert_image_equal(hopper("P"), split_merge("P"))
|
|
self.assert_image_equal(hopper("RGB"), split_merge("RGB"))
|
|
self.assert_image_equal(hopper("RGBA"), split_merge("RGBA"))
|
|
self.assert_image_equal(hopper("CMYK"), split_merge("CMYK"))
|
|
self.assert_image_equal(hopper("YCbCr"), split_merge("YCbCr"))
|
|
|
|
def test_split_open(self):
|
|
codecs = dir(Image.core)
|
|
|
|
if 'zip_encoder' in codecs:
|
|
test_file = self.tempfile("temp.png")
|
|
else:
|
|
test_file = self.tempfile("temp.pcx")
|
|
|
|
def split_open(mode):
|
|
hopper(mode).save(test_file)
|
|
im = Image.open(test_file)
|
|
return len(im.split())
|
|
self.assertEqual(split_open("1"), 1)
|
|
self.assertEqual(split_open("L"), 1)
|
|
self.assertEqual(split_open("P"), 1)
|
|
self.assertEqual(split_open("RGB"), 3)
|
|
if 'zip_encoder' in codecs:
|
|
self.assertEqual(split_open("RGBA"), 4)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|
|
|
|
# End of file
|