Image operation utilities.
Project description
Image operation utility
Installation
Installation using pip
$ pip install imgutil
Prerequesite
jpegtran
pngcrush
Command line utilities
imgoptimize
$ imgoptimize [-h] [-o OUTPUT] src_img
Optimize image to reduce file size.
Should install jpegtran and pngcrush.
Usage
-o: (Optional) Specifiy the output image.
src_img: Specify the input image.
imgresize
$ imgresize [-h] [-o OUTPUT] [-W WIDTH] [-H HEIGHT] src_img
Resize image by specifying width or height.
Usage
-o: (Optional) Specifiy the output image.
-W or --width: (Optional) Specify the desired image width. If only width is specified, height will be determined by the aspect ratio of image.
-H or --height: (Optional) Specify the desired image height. If only height is specified, width will be determined by the aspect ratio of image.
src_img: Specify the input image.
Usage
imgoptimize
imgoptimize(input_filename, output_filename=None)
Should install jpegtran and pngcrush.
It reduces jpeg/png file size.
It converts CMYK to RGB.
quick example
import os
from imgutil import imgoptimize
test_img = '/tmp/test.jpg'
os.stat(test_img).st_size # 81073
imgoptimize(test_img, '/tmp/opt.jpg') # output to /tmp/opt.jpg
os.stat('/tmp/opt.jpg').st_size # 81026
imgoptimize(test_img) # optimize the original file
os.stat(test_img).st_size # 81026
imgresize
imgresize(input_filename, width=None, height=None, output_filename=None)
It can resize image and preserve aspect ratio.
It can resize image to specified dimension.
quick example
from imgutil import imgresize
test_img = '/tmp/test.jpg' # It is a 1024x768 image
imgresize(test_img, width=600, output_filename='/tmp/resize.jpg') # /tmp/resize.jpg is 600x450
imgresize(test_img, height=600, output_filename='/tmp/resize.jpg') # /tmp/resize.jpg is 800x600
imgresize(test_img, width=100, height=100, output_filename='/tmp/resize.jpg') # /tmp/resize.jpg is 100x100
imgresize(test_img, width=200, height=400) # /tmp/test.jpg is 200x400 now
Project details
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