Created
January 31, 2014 12:57
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Convert image to black and white colors - http://pickbox.ru/edit/309
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| def blackwhitescale(im): | |
| """ | |
| Convert image to black and white colors | |
| Each pixel to be either fully black (0, 0, 0) or fully white (255, 255, 255) | |
| """ | |
| # Convert to grayscale | |
| gray = im.convert('L') | |
| # Scale to white or black (whichever is closest). | |
| bw = gray.point(lambda x: 0 if x < 128 else 255, '1') | |
| return bw |
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bw = gray.point(lambda x: 0 if x < 128 else 255, '1')
what does the '1' signify at the end of the function?