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101 lines
2.8 KiB
Python
101 lines
2.8 KiB
Python
from tester import *
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from PIL import Image, PyAccess
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import test_image_putpixel as put
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import test_image_getpixel as get
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try:
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import cffi
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except:
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skip()
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Image.USE_CFFI_ACCESS = True
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def test_put():
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put.test_sanity()
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def test_get():
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get.test_basic()
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get.test_signedness()
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def _test_get_access(im):
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""" Do we get the same thing as the old pixel access """
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""" Using private interfaces, forcing a capi access and a pyaccess for the same image """
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caccess = im.im.pixel_access(False)
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access = PyAccess.new(im, False)
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w,h = im.size
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for x in range(0,w,10):
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for y in range(0,h,10):
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assert_equal(access[(x,y)], caccess[(x,y)])
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def test_get_vs_c():
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_test_get_access(lena('RGB'))
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_test_get_access(lena('RGBA'))
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_test_get_access(lena('L'))
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_test_get_access(lena('LA'))
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_test_get_access(lena('1'))
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_test_get_access(lena('P'))
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#_test_get_access(lena('PA')) # PA -- how do I make a PA image???
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_test_get_access(lena('F'))
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im = Image.new('I;16', (10,10), 40000)
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_test_get_access(im)
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im = Image.new('I;16L', (10,10), 40000)
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_test_get_access(im)
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im = Image.new('I;16B', (10,10), 40000)
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_test_get_access(im)
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im = Image.new('I', (10,10), 40000)
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_test_get_access(im)
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# These don't actually appear to be modes that I can actually make,
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# as unpack sets them directly into the I mode.
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#im = Image.new('I;32L', (10,10), -2**10)
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#_test_get_access(im)
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#im = Image.new('I;32B', (10,10), 2**10)
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#_test_get_access(im)
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def _test_set_access(im, color):
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""" Are we writing the correct bits into the image? """
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""" Using private interfaces, forcing a capi access and a pyaccess for the same image """
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caccess = im.im.pixel_access(False)
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access = PyAccess.new(im, False)
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w,h = im.size
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for x in range(0,w,10):
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for y in range(0,h,10):
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access[(x,y)] = color
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assert_equal(color, caccess[(x,y)])
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def test_set_vs_c():
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_test_set_access(lena('RGB'), (255, 128,0) )
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_test_set_access(lena('RGBA'), (255, 192, 128, 0))
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_test_set_access(lena('L'), 128)
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_test_set_access(lena('LA'), (128,128))
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_test_set_access(lena('1'), 255)
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_test_set_access(lena('P') , 128)
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##_test_set_access(i, (128,128)) #PA -- undone how to make
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_test_set_access(lena('F'), 1024.0)
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im = Image.new('I;16', (10,10), 40000)
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_test_set_access(im, 45000)
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im = Image.new('I;16L', (10,10), 40000)
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_test_set_access(im, 45000)
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im = Image.new('I;16B', (10,10), 40000)
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_test_set_access(im, 45000)
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im = Image.new('I', (10,10), 40000)
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_test_set_access(im, 45000)
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# im = Image.new('I;32L', (10,10), -(2**10))
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# _test_set_access(im, -(2**13)+1)
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#im = Image.new('I;32B', (10,10), 2**10)
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#_test_set_access(im, 2**13-1)
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