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Linux:
On linux terminal type the following:
pip install Pillow
Installing pip via terminal:
sudo apt-get update sudo apt-get install python-pip
- Windows: Download the appropriate Pillow package according to your python version. Make sure to download according to the python version you have.
-
Open a particular image from a path:
#img = Image.open(path)# On successful execution of this statement,# an object of Image type is returned and stored in img variable)try:img=Image.open(path)exceptIOError:# Use the above statement within try block, as it can# raise an IOError if file cannot be found,Note: There is an optional expand flag available as one of the argument of the rotate method, which if set true, expands the output image to make it large enough to hold the full rotated image.# or image cannot be opened.
As seen in the above code snippet, I have used a relative path where my image is located in the same directory as my python code file, an absolute path can be used as well. -
Cropping an Image:
Image.crop(box) takes a 4-tuple (left, upper, right, lower) pixel coordinate, and returns a rectangular region from the used image.
#Image which we want to pasteimg2=Image.open("picture2.jpg")img.paste(img2, (50,50))#Saved in the same relative locationimg.save("pasted_picture.jpg")exceptIOError:if__name__=="__main__":main()##An additional argument for an optional image mask image is also available. -
Getting a Histogram of an Image:
This will return a histogram of the image as a list of pixel counts, one for each pixel in the image. (A histogram of an image is a graphical representation of the tonal distribution in a digital image. It contains what all the brightness values contained in an image are. It plots the number of pixels for each brightness value. It helps in doing the exposure settings.)
from PIL import Image -
tobitmap:
Converting an image to an X11 bitmap (A plain text binary image format). It returns a string containing an X11 bitmap, it can only be used for mode “1” images, i.e. 1 bit pixel black and white images.
from PIL import Image -
Creating a thumbnail:
This method creates a thumbnail of the image that is opened. It does not return a new image object, it makes in-place modification to the currently opened image object itself. If you do not want to change the original image object, create a copy and then apply this method. This method also evaluates the appropriate to maintain the aspect ratio of the image according to the size passed.
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PIL is the Python Imaging Library which provides the python interpreter with image editing capabilities. It was developed by Fredrik Lundh and several other contributors. Pillow is the friendly PIL fork and an easy to use library developed by Alex Clark and other contributors. We’ll be working with Pillow.
Installation:
We’ll be working with the Image Module here which provides a class of the same name and provides a lot of functions to work on our images.To import the Image module, our code should begin with the following line:
from PIL import Image
Operations with Images:
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