from tester import * from PIL import Image Image.USE_CFFI_ACCESS=False def color(mode): bands = Image.getmodebands(mode) if bands == 1: return 1 else: return tuple(range(1, bands+1)) def check(mode, c=None): if not c: c = color(mode) #check putpixel im = Image.new(mode, (1, 1), None) im.putpixel((0, 0), c) assert_equal(im.getpixel((0, 0)), c, "put/getpixel roundtrip failed for mode %s, color %s" % (mode, c)) # check inital color im = Image.new(mode, (1, 1), c) assert_equal(im.getpixel((0, 0)), c, "initial color failed for mode %s, color %s " % (mode, color)) def test_basic(): for mode in ("1", "L", "LA", "I", "I;16", "I;16B", "F", "P", "PA", "RGB", "RGBA", "RGBX", "CMYK","YCbCr"): check(mode) def test_signedness(): # see https://github.com/python-pillow/Pillow/issues/452 # pixelaccess is using signed int* instead of uint* for mode in ("I;16", "I;16B"): check(mode, 2**15-1) check(mode, 2**15) check(mode, 2**15+1) check(mode, 2**16-1)