We'll start by looking at the best new feature in the Image Size dialog box, the preview window, and how to get the most from it. Whether you need to enlarge the image for print or downsize it for the web, it's all done with this one Image Size command. The Image Size dialog box lets us not only view the current size of the image but also change it. This article was updated in January 2021 by the editor.In this tutorial, the second in my series on resizing images in Photoshop, we'll take a quick tour of the features you'll find in Photoshop's powerful Image Size dialog box, redesigned in Photoshop CC. If the height is fixed and the width proportionally variable, it's pretty much the same thing, you just need to switch things around a bit: blog and republished under Creative Commons with permission. You can use the same filename to overwrite the full-size image with the resized image, if that is what you want.
Also, notice I saved the resized image under a different name, resized_image.jpg, because I wanted to preserve the full-size image ( fullsized_image.jpg) as well. You can change basewidth to any other number if you need a different width for your images. The resulting height value is saved in the variable hsize. The proportional height is calculated by determining what percentage 300 pixels is of the original width ( img.size) and then multiplying the original height ( img.size) by that percentage. These few lines of Python code resize an image ( fullsized_image.jpg) using Pillow to a width of 300 pixels, which is set in the variable basewidth and a height proportional to the new width. Img = img.resize((basewidth, hsize), Image.ANTIALIAS) Hsize = int((float(img.size) * float(wpercent))) Here's a basic script to resize an image using the Pillow module: from PIL import Image To install Pillow, use the pip module of Python: $ python3 -m pip install Pillow Scaling by width
So I looked around and found Pillow, a Python imaging library and "friendly fork" of an old library just called PIL. Some time ago, I wrote a Python script where I needed to resize a bunch of images while at the same time keeping the aspect ratio (the proportions) intact. I love Python, and I've been learning it for a while now.
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