Pillow/Tests/test_image_convert.py
2013-07-08 23:26:45 -07:00

51 lines
1.1 KiB
Python

from tester import *
from PIL import Image
def test_sanity():
def convert(im, mode):
out = im.convert(mode)
assert_equal(out.mode, mode)
assert_equal(out.size, im.size)
modes = "1", "L", "I", "F", "RGB", "RGBA", "RGBX", "CMYK", "YCbCr"
for mode in modes:
im = lena(mode)
for mode in modes:
yield_test(convert, im, mode)
def test_default():
im = lena("P")
assert_image(im, "P", im.size)
im = im.convert()
assert_image(im, "RGB", im.size)
im = im.convert()
assert_image(im, "RGB", im.size)
# ref https://github.com/python-imaging/Pillow/issues/274
def _test_float_conversion(im):
orig = im.getpixel((5,5))
converted = im.convert('F').getpixel((5,5))
assert_equal(orig, converted)
def test_8bit():
im = Image.open('Images/lena.jpg')
_test_float_conversion(im.convert('L'))
def test_12bit():
im = Image.open('Tests/images/12bit.cropped.tif')
_test_float_conversion(im)
def test_12bit_workaround():
im = Image.open('Tests/images/12bit.cropped.tif')
_test_float_conversion(im.convert('I'))