mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-09-21 19:38:57 +03:00
142 lines
3.7 KiB
Python
142 lines
3.7 KiB
Python
from tester import *
|
|
|
|
from PIL import Image
|
|
|
|
def test_sanity():
|
|
|
|
file = tempfile("temp.tif")
|
|
|
|
lena("RGB").save(file)
|
|
|
|
im = Image.open(file)
|
|
im.load()
|
|
assert_equal(im.mode, "RGB")
|
|
assert_equal(im.size, (128, 128))
|
|
assert_equal(im.format, "TIFF")
|
|
|
|
lena("1").save(file)
|
|
im = Image.open(file)
|
|
|
|
lena("L").save(file)
|
|
im = Image.open(file)
|
|
|
|
lena("P").save(file)
|
|
im = Image.open(file)
|
|
|
|
lena("RGB").save(file)
|
|
im = Image.open(file)
|
|
|
|
lena("I").save(file)
|
|
im = Image.open(file)
|
|
|
|
def test_mac_tiff():
|
|
# Read RGBa images from Mac OS X [@PIL136]
|
|
|
|
file = "Tests/images/pil136.tiff"
|
|
im = Image.open(file)
|
|
|
|
assert_equal(im.mode, "RGBA")
|
|
assert_equal(im.size, (55, 43))
|
|
assert_equal(im.tile, [('raw', (0, 0, 55, 43), 8, ('RGBa', 0, 1))])
|
|
assert_no_exception(lambda: im.load())
|
|
|
|
def test_gimp_tiff():
|
|
# Read TIFF JPEG images from GIMP [@PIL168]
|
|
|
|
codecs = dir(Image.core)
|
|
if "jpeg_decoder" not in codecs:
|
|
skip("jpeg support not available")
|
|
|
|
file = "Tests/images/pil168.tif"
|
|
im = Image.open(file)
|
|
|
|
assert_equal(im.mode, "RGB")
|
|
assert_equal(im.size, (256, 256))
|
|
assert_equal(im.tile, [
|
|
('jpeg', (0, 0, 256, 64), 8, ('RGB', '')),
|
|
('jpeg', (0, 64, 256, 128), 1215, ('RGB', '')),
|
|
('jpeg', (0, 128, 256, 192), 2550, ('RGB', '')),
|
|
('jpeg', (0, 192, 256, 256), 3890, ('RGB', '')),
|
|
])
|
|
assert_no_exception(lambda: im.load())
|
|
|
|
def test_xyres_tiff():
|
|
from PIL.TiffImagePlugin import X_RESOLUTION, Y_RESOLUTION
|
|
file = "Tests/images/pil168.tif"
|
|
im = Image.open(file)
|
|
assert isinstance(im.tag.tags[X_RESOLUTION][0], tuple)
|
|
assert isinstance(im.tag.tags[Y_RESOLUTION][0], tuple)
|
|
#Try to read a file where X,Y_RESOLUTION are ints
|
|
im.tag.tags[X_RESOLUTION] = (72,)
|
|
im.tag.tags[Y_RESOLUTION] = (72,)
|
|
im._setup()
|
|
assert_equal(im.info['dpi'], (72., 72.))
|
|
|
|
|
|
def test_little_endian():
|
|
im = Image.open('Tests/images/16bit.cropped.tif')
|
|
assert_equal(im.getpixel((0,0)), 480)
|
|
assert_equal(im.mode, 'I;16')
|
|
|
|
b = im.tobytes()
|
|
# Bytes are in image native order (little endian)
|
|
if py3:
|
|
assert_equal(b[0], ord(b'\xe0'))
|
|
assert_equal(b[1], ord(b'\x01'))
|
|
else:
|
|
assert_equal(b[0], b'\xe0')
|
|
assert_equal(b[1], b'\x01')
|
|
|
|
|
|
def test_big_endian():
|
|
im = Image.open('Tests/images/16bit.MM.cropped.tif')
|
|
assert_equal(im.getpixel((0,0)), 480)
|
|
assert_equal(im.mode, 'I;16B')
|
|
|
|
b = im.tobytes()
|
|
|
|
# Bytes are in image native order (big endian)
|
|
if py3:
|
|
assert_equal(b[0], ord(b'\x01'))
|
|
assert_equal(b[1], ord(b'\xe0'))
|
|
else:
|
|
assert_equal(b[0], b'\x01')
|
|
assert_equal(b[1], b'\xe0')
|
|
|
|
|
|
def test_12bit_rawmode():
|
|
""" Are we generating the same interpretation of the image as Imagemagick is? """
|
|
|
|
#Image.DEBUG = True
|
|
im = Image.open('Tests/images/12bit.cropped.tif')
|
|
|
|
# to make the target --
|
|
# convert 12bit.cropped.tif -depth 16 tmp.tif
|
|
# convert tmp.tif -evaluate RightShift 4 12in16bit2.tif
|
|
# imagemagick will auto scale so that a 12bit FFF is 16bit FFF0,
|
|
# so we need to unshift so that the integer values are the same.
|
|
|
|
im2 = Image.open('Tests/images/12in16bit.tif')
|
|
|
|
if Image.DEBUG:
|
|
print (im.getpixel((0,0)))
|
|
print (im.getpixel((0,1)))
|
|
print (im.getpixel((0,2)))
|
|
|
|
print (im2.getpixel((0,0)))
|
|
print (im2.getpixel((0,1)))
|
|
print (im2.getpixel((0,2)))
|
|
|
|
assert_image_equal(im, im2)
|
|
|
|
def test_32bit_float():
|
|
# Issue 614, specific 32 bit float format
|
|
path = 'Tests/images/10ct_32bit_128.tiff'
|
|
im = Image.open(path)
|
|
im.load()
|
|
|
|
assert_equal(im.getpixel((0,0)), -0.4526388943195343)
|
|
assert_equal(im.getextrema(), (-3.140936851501465, 3.140684127807617))
|
|
|
|
|