90 lines
2.5 KiB
Python
90 lines
2.5 KiB
Python
import argparse
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import os
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from PIL import Image
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import sys
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from voussoirkit import imagetools
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from voussoirkit import winglob
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def resize(
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filename,
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new_x=None,
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new_y=None,
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*,
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inplace=False,
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nearest_neighbor=False,
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only_shrink=False,
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scale=None,
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):
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i = Image.open(filename)
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(image_width, image_height) = i.size
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if new_x is not None and new_y is not None:
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pass
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elif scale:
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new_x = int(image_width * scale)
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new_y = int(image_height * scale)
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if new_x == 0:
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(new_x, new_y) = imagetools.fit_into_bounds(
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image_width,
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image_height,
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10000000,
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new_y,
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only_shrink=only_shrink,
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)
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if new_y == 0:
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(new_x, new_y) = imagetools.fit_into_bounds(
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image_width,
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image_height,
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new_x,
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10000000,
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only_shrink=only_shrink,
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)
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print(i.size, new_x, new_y)
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if nearest_neighbor:
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i = i.resize( (new_x, new_y), Image.NEAREST)
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else:
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i = i.resize( (new_x, new_y), Image.ANTIALIAS)
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if inplace:
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newname = filename
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else:
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suffix = '_{width}x{height}'.format(width=new_x, height=new_y)
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(base, extension) = os.path.splitext(filename)
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newname = base + suffix + extension
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i.save(newname, quality=100)
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def resize_argparse(args):
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filenames = winglob.glob(args.pattern)
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for filename in filenames:
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resize(
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filename,
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args.new_x,
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args.new_y,
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inplace=args.inplace,
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nearest_neighbor=args.nearest_neighbor,
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only_shrink=args.only_shrink,
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scale=args.scale,
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)
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def main(argv):
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parser = argparse.ArgumentParser(description=__doc__)
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parser.add_argument('pattern')
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parser.add_argument('new_x', nargs='?', type=int, default=None)
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parser.add_argument('new_y', nargs='?', type=int, default=None)
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parser.add_argument('--inplace', dest='inplace', action='store_true')
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parser.add_argument('--nearest', dest='nearest_neighbor', action='store_true')
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parser.add_argument('--only_shrink', '--only-shrink', dest='only_shrink', action='store_true')
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parser.add_argument('--scale', dest='scale', type=float, default=None)
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parser.set_defaults(func=resize_argparse)
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args = parser.parse_args(argv)
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return args.func(args)
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if __name__ == '__main__':
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raise SystemExit(main(sys.argv[1:]))
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