2014-06-10 04:56:29 +04:00
|
|
|
from helper import unittest, PillowTestCase, lena
|
2014-06-05 17:13:58 +04:00
|
|
|
|
|
|
|
|
|
|
|
|
|
class TestImage(PillowTestCase):
|
|
|
|
|
|
|
|
|
|
def test_getcolors(self):
|
|
|
|
|
|
|
|
|
|
def getcolors(mode, limit=None):
|
|
|
|
|
im = lena(mode)
|
|
|
|
|
if limit:
|
|
|
|
|
colors = im.getcolors(limit)
|
|
|
|
|
else:
|
|
|
|
|
colors = im.getcolors()
|
|
|
|
|
if colors:
|
|
|
|
|
return len(colors)
|
|
|
|
|
return None
|
|
|
|
|
|
|
|
|
|
self.assertEqual(getcolors("1"), 2)
|
|
|
|
|
self.assertEqual(getcolors("L"), 193)
|
|
|
|
|
self.assertEqual(getcolors("I"), 193)
|
|
|
|
|
self.assertEqual(getcolors("F"), 193)
|
|
|
|
|
self.assertEqual(getcolors("P"), 54) # fixed palette
|
|
|
|
|
self.assertEqual(getcolors("RGB"), None)
|
|
|
|
|
self.assertEqual(getcolors("RGBA"), None)
|
|
|
|
|
self.assertEqual(getcolors("CMYK"), None)
|
|
|
|
|
self.assertEqual(getcolors("YCbCr"), None)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(getcolors("L", 128), None)
|
|
|
|
|
self.assertEqual(getcolors("L", 1024), 193)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(getcolors("RGB", 8192), None)
|
|
|
|
|
self.assertEqual(getcolors("RGB", 16384), 14836)
|
|
|
|
|
self.assertEqual(getcolors("RGB", 100000), 14836)
|
|
|
|
|
|
|
|
|
|
self.assertEqual(getcolors("RGBA", 16384), 14836)
|
|
|
|
|
self.assertEqual(getcolors("CMYK", 16384), 14836)
|
|
|
|
|
self.assertEqual(getcolors("YCbCr", 16384), 11995)
|
|
|
|
|
|
|
|
|
|
# --------------------------------------------------------------------
|
|
|
|
|
|
|
|
|
|
def test_pack(self):
|
|
|
|
|
# Pack problems for small tables (@PIL209)
|
|
|
|
|
|
|
|
|
|
im = lena().quantize(3).convert("RGB")
|
|
|
|
|
|
|
|
|
|
expected = [
|
|
|
|
|
(3236, (227, 183, 147)),
|
|
|
|
|
(6297, (143, 84, 81)),
|
|
|
|
|
(6851, (208, 143, 112))]
|
|
|
|
|
|
|
|
|
|
A = im.getcolors(maxcolors=2)
|
|
|
|
|
self.assertEqual(A, None)
|
|
|
|
|
|
|
|
|
|
A = im.getcolors(maxcolors=3)
|
|
|
|
|
A.sort()
|
|
|
|
|
self.assertEqual(A, expected)
|
|
|
|
|
|
|
|
|
|
A = im.getcolors(maxcolors=4)
|
|
|
|
|
A.sort()
|
|
|
|
|
self.assertEqual(A, expected)
|
|
|
|
|
|
|
|
|
|
A = im.getcolors(maxcolors=8)
|
|
|
|
|
A.sort()
|
|
|
|
|
self.assertEqual(A, expected)
|
|
|
|
|
|
|
|
|
|
A = im.getcolors(maxcolors=16)
|
|
|
|
|
A.sort()
|
|
|
|
|
self.assertEqual(A, expected)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
if __name__ == '__main__':
|
|
|
|
|
unittest.main()
|
|
|
|
|
|
|
|
|
|
# End of file
|
