Mercurial > hg > cropresize

comparison cropresize/__init__.py @ 4:6ec33e2ce60f

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author k0s <k0scist@gmail.com>
date Sat, 06 Mar 2010 13:22:31 -0500
parents 0a54e5bd2875
children c89738f3f417
comparison
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3:2be0070c6f95 4:6ec33e2ce60f
4 from PIL import Image 4 from PIL import Image
5 5
6 def crop_resize(image, size, exact_size=False): 6 def crop_resize(image, size, exact_size=False):
7 """ 7 """
8 Crop out the proportional middle of the image and set to the desired size. 8 Crop out the proportional middle of the image and set to the desired size.
9 * image: a PIL image object
10 * size: a 2-tuple of (width,height); at least one must be specified
11 * exact_size: whether to scale up for smaller images
9 If the image is bigger than the sizes passed, this works as expected. 12 If the image is bigger than the sizes passed, this works as expected.
10 If the image is smaller than the sizes passed, then behavior is dictated 13 If the image is smaller than the sizes passed, then behavior is dictated
11 by the `exact_size` flag. If the 14 by the ``exact_size`` flag. If the ``exact_size`` flag is false,
12 15 the image will be returned unmodified. If the ``exact_size`` flag is true,
16 the image will be scaled up to the required size.
13 """ 17 """
14 assert size[0] or size[1] 18 assert size[0] or size[1]
15 19
16 size = list(size) 20 size = list(size)
17 21
45 49
46 return image.resize(size, Image.ANTIALIAS) 50 return image.resize(size, Image.ANTIALIAS)
47 51
48 def main(): 52 def main():
49 from optparse import OptionParser 53 from optparse import OptionParser
50 parser = OptionParser() 54 parser = OptionParser('%prog [options] image1.png [image2.jpg] [...]')
51 parser.add_option('-W', '--width') 55 parser.add_option('-W', '--width')
52 parser.add_option('-H', '--height') 56 parser.add_option('-H', '--height')
53 parser.add_option('-e', '--exact-size', dest='exact', action='store_true', default=False) 57 parser.add_option('-e', '--exact-size', dest='exact', action='store_true', default=False)
54 (options, args) = parser.parse_args() 58 (options, args) = parser.parse_args()
55 59