61 lines
1.6 KiB
Python
61 lines
1.6 KiB
Python
from PIL import Image
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import os
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import sys
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close_enough_threshold = 10
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filename = sys.argv[1]
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try:
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close_enough_threshold = int(sys.argv[2])
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except:
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pass
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def close_enough(a, b):
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#print(a, b)
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for (a_channel, b_channel) in zip(a, b):
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if abs(a_channel - b_channel) > close_enough_threshold:
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return False
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return True
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def deletterbox(filename):
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image = Image.open(filename)
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(base, ext) = os.path.splitext(filename)
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for x in range(4):
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image = trim_top(image)
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print('size', image.size)
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#image.save('%s_%d%s' % (base, x, ext))
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rotated = image.rotate(90, expand=True)
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# There is currently a bug in PIL which causes rotated images
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# to have a 1 px black border on the top and left
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if rotated.size != image.size:
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rotated = rotated.crop([1, 1, rotated.size[0], rotated.size[1]])
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image = rotated
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print()
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filename = base + '_crop' + ext
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image.save(filename, quality=100)
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def trim_top(image):
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letterbox_color = image.getpixel((0, 0))
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print('letterbox color', letterbox_color)
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for y in range(image.size[1]):
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solid = True
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for x in range(image.size[0]):
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pixel = image.getpixel((x, y))
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#print(pixel)
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if not close_enough(letterbox_color, pixel):
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solid = False
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print('broke at', y,pixel)
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break
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if not solid:
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break
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bounds = (0, y, image.size[0], image.size[1])
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print('bounds', bounds)
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image = image.crop(bounds)
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return image
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deletterbox(filename)
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