Pillow/Tests/test_image_quantize.py
Oliver Tonnhofer 6537ba19c3 backport PIL's PNG/Zip improvements
- add new FASTOCTREE quantizer with alpha support
- make ZIP compress level and type configurable
- support reading/writing PNGs with paletted alpha

source 3637439d51
2013-03-11 20:33:04 +01:00

22 lines
399 B
Python

from tester import *
from PIL import Image
def test_sanity():
im = lena()
im = im.quantize()
assert_image(im, "P", im.size)
im = lena()
im = im.quantize(palette=lena("P"))
assert_image(im, "P", im.size)
def test_octree_quantize():
im = lena()
im = im.quantize(100, Image.FASTOCTREE)
assert_image(im, "P", im.size)
assert len(im.getcolors()) == 100