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Always return a positive number of different pixels.

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This commit is contained in:
Hermann Kraus 2013-03-25 12:36:35 +01:00
parent cb7b9e6a66
commit bd940bdc2e
1 changed files with 1 additions and 1 deletions
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2
tests/visual_tests/compare.py
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@ -42,7 +42,7 @@ def compare(actual, expected, alpha=True):
pixels = im1.width() * im1.height()
delta_pixels = (im2.width() * im2.height()) - pixels
if delta_pixels != 0:
return delta_pixels
return abs(delta_pixels)
for x in range(0,im1.width(),2):
for y in range(0,im1.height(),2):
if compare_pixels(im1.get_pixel(x,y),im2.get_pixel(x,y),alpha=alpha):