imgresize

imgresize.py

#!/usr/bin/env python

import optparse
from PIL import Image


def main():
    op = optparse.OptionParser()
    options, args = op.parse_args()

    filename, size = args
    width, height = size.split("x")
    width, height = int(width), int(height)

    im = Image.open(filename)
    imWidth, imHeight = im.size
    print "%s: %s %dx%d" % (filename, im.format, imWidth, imHeight)

    xScale = float(width) / imWidth
    yScale = float(height) / imHeight

    scale = max(xScale, yScale)
    cropWidth = int(width / scale)
    cropHeight = int(height / scale)

    print "crop %dx%d" % (cropWidth, cropHeight)
    im = im.crop((0, 0, cropWidth, cropHeight))
    im = im.resize((width, height))

    newFilename = "%s-%dx%d.jpg" % (filename, width, height)

    print "Saving to %s" % newFilename
    im.save(newFilename)

                                                                                                                      
                                                                                                                      
if __name__ == "__main__":                                                                                            
    main()