mirror of
https://github.com/python-pillow/Pillow.git
synced 2024-12-26 18:06:18 +03:00
137 lines
4.0 KiB
Python
137 lines
4.0 KiB
Python
from helper import unittest, PillowTestCase, tearDownModule, lena
|
|
|
|
try:
|
|
import cffi
|
|
from PIL import PyAccess
|
|
except:
|
|
# Skip in setUp()
|
|
pass
|
|
|
|
from PIL import Image
|
|
|
|
from test_image_putpixel import TestImagePutPixel
|
|
from test_image_getpixel import TestImageGetPixel
|
|
|
|
Image.USE_CFFI_ACCESS = True
|
|
|
|
|
|
class TestCffiPutPixel(TestImagePutPixel):
|
|
|
|
def setUp(self):
|
|
try:
|
|
import cffi
|
|
except:
|
|
self.skipTest("No cffi")
|
|
|
|
def test_put(self):
|
|
self.test_sanity()
|
|
|
|
|
|
class TestCffiGetPixel(TestImageGetPixel):
|
|
|
|
def setUp(self):
|
|
try:
|
|
import cffi
|
|
except:
|
|
self.skipTest("No cffi")
|
|
|
|
def test_get(self):
|
|
self.test_basic()
|
|
self.test_signedness()
|
|
|
|
|
|
class TestCffi(PillowTestCase):
|
|
|
|
def setUp(self):
|
|
try:
|
|
import cffi
|
|
except:
|
|
self.skipTest("No cffi")
|
|
|
|
def _test_get_access(self, im):
|
|
""" Do we get the same thing as the old pixel access """
|
|
|
|
""" Using private interfaces, forcing a capi access and
|
|
a pyaccess for the same image """
|
|
caccess = im.im.pixel_access(False)
|
|
access = PyAccess.new(im, False)
|
|
|
|
w, h = im.size
|
|
for x in range(0, w, 10):
|
|
for y in range(0, h, 10):
|
|
self.assertEqual(access[(x, y)], caccess[(x, y)])
|
|
|
|
def test_get_vs_c(self):
|
|
rgb = lena('RGB')
|
|
rgb.load()
|
|
self._test_get_access(rgb)
|
|
self._test_get_access(lena('RGBA'))
|
|
self._test_get_access(lena('L'))
|
|
self._test_get_access(lena('LA'))
|
|
self._test_get_access(lena('1'))
|
|
self._test_get_access(lena('P'))
|
|
# self._test_get_access(lena('PA')) # PA -- how do I make a PA image?
|
|
self._test_get_access(lena('F'))
|
|
|
|
im = Image.new('I;16', (10, 10), 40000)
|
|
self._test_get_access(im)
|
|
im = Image.new('I;16L', (10, 10), 40000)
|
|
self._test_get_access(im)
|
|
im = Image.new('I;16B', (10, 10), 40000)
|
|
self._test_get_access(im)
|
|
|
|
im = Image.new('I', (10, 10), 40000)
|
|
self._test_get_access(im)
|
|
# These don't actually appear to be modes that I can actually make,
|
|
# as unpack sets them directly into the I mode.
|
|
# im = Image.new('I;32L', (10, 10), -2**10)
|
|
# self._test_get_access(im)
|
|
# im = Image.new('I;32B', (10, 10), 2**10)
|
|
# self._test_get_access(im)
|
|
|
|
def _test_set_access(self, im, color):
|
|
""" Are we writing the correct bits into the image? """
|
|
|
|
""" Using private interfaces, forcing a capi access and
|
|
a pyaccess for the same image """
|
|
caccess = im.im.pixel_access(False)
|
|
access = PyAccess.new(im, False)
|
|
|
|
w, h = im.size
|
|
for x in range(0, w, 10):
|
|
for y in range(0, h, 10):
|
|
access[(x, y)] = color
|
|
self.assertEqual(color, caccess[(x, y)])
|
|
|
|
def test_set_vs_c(self):
|
|
rgb = lena('RGB')
|
|
rgb.load()
|
|
self._test_set_access(rgb, (255, 128, 0))
|
|
self._test_set_access(lena('RGBA'), (255, 192, 128, 0))
|
|
self._test_set_access(lena('L'), 128)
|
|
self._test_set_access(lena('LA'), (128, 128))
|
|
self._test_set_access(lena('1'), 255)
|
|
self._test_set_access(lena('P'), 128)
|
|
# self._test_set_access(i, (128, 128)) #PA -- undone how to make
|
|
self._test_set_access(lena('F'), 1024.0)
|
|
|
|
im = Image.new('I;16', (10, 10), 40000)
|
|
self._test_set_access(im, 45000)
|
|
im = Image.new('I;16L', (10, 10), 40000)
|
|
self._test_set_access(im, 45000)
|
|
im = Image.new('I;16B', (10, 10), 40000)
|
|
self._test_set_access(im, 45000)
|
|
|
|
im = Image.new('I', (10, 10), 40000)
|
|
self._test_set_access(im, 45000)
|
|
# im = Image.new('I;32L', (10, 10), -(2**10))
|
|
# self._test_set_access(im, -(2**13)+1)
|
|
# im = Image.new('I;32B', (10, 10), 2**10)
|
|
# self._test_set_access(im, 2**13-1)
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|
|
|
|
# End of file
|