mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-27 02:16:19 +03:00
41 lines
1.1 KiB
Python
41 lines
1.1 KiB
Python
from tester import *
|
|
|
|
from PIL import Image
|
|
|
|
|
|
def _roundtrip(im):
|
|
f = tempfile("temp.pcx")
|
|
im.save(f)
|
|
im2 = Image.open(f)
|
|
|
|
assert_equal(im2.mode, im.mode)
|
|
assert_equal(im2.size, im.size)
|
|
assert_equal(im2.format, "PCX")
|
|
assert_image_equal(im2, im)
|
|
|
|
def test_sanity():
|
|
for mode in ('1', 'L', 'P', 'RGB'):
|
|
_roundtrip(lena(mode))
|
|
|
|
def test_odd():
|
|
# see issue #523, odd sized images should have a stride that's even.
|
|
# not that imagemagick or gimp write pcx that way.
|
|
# we were not handling properly.
|
|
for mode in ('1', 'L', 'P', 'RGB'):
|
|
# larger, odd sized images are better here to ensure that
|
|
# we handle interrupted scan lines properly.
|
|
_roundtrip(lena(mode).resize((511,511)))
|
|
|
|
|
|
def test_pil184():
|
|
# Check reading of files where xmin/xmax is not zero.
|
|
|
|
file = "Tests/images/pil184.pcx"
|
|
im = Image.open(file)
|
|
|
|
assert_equal(im.size, (447, 144))
|
|
assert_equal(im.tile[0][1], (0, 0, 447, 144))
|
|
|
|
# Make sure all pixels are either 0 or 255.
|
|
assert_equal(im.histogram()[0] + im.histogram()[255], 447*144)
|