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			59 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			59 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
import time
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from PIL import PyAccess
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from .helper import hopper
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# Not running this test by default. No DOS against CI.
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def iterate_get(size, access):
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    (w, h) = size
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    for x in range(w):
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        for y in range(h):
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            access[(x, y)]
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def iterate_set(size, access):
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    (w, h) = size
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    for x in range(w):
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        for y in range(h):
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            access[(x, y)] = (x % 256, y % 256, 0)
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def timer(func, label, *args):
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    iterations = 5000
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    starttime = time.time()
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    for x in range(iterations):
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        func(*args)
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        if time.time() - starttime > 10:
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            print(
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                "{}: breaking at {} iterations, {:.6f} per iteration".format(
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                    label, x + 1, (time.time() - starttime) / (x + 1.0)
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                )
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            )
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            break
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    if x == iterations - 1:
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        endtime = time.time()
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        print(
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            "{}: {:.4f} s  {:.6f} per iteration".format(
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                label, endtime - starttime, (endtime - starttime) / (x + 1.0)
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            )
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        )
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def test_direct():
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    im = hopper()
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    im.load()
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    # im = Image.new( "RGB", (2000, 2000), (1, 3, 2))
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    caccess = im.im.pixel_access(False)
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    access = PyAccess.new(im, False)
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    assert caccess[(0, 0)] == access[(0, 0)]
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    print("Size: %sx%s" % im.size)
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    timer(iterate_get, "PyAccess - get", im.size, access)
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    timer(iterate_set, "PyAccess - set", im.size, access)
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    timer(iterate_get, "C-api - get", im.size, caccess)
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    timer(iterate_set, "C-api - set", im.size, caccess)
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