March 2020
Intermediate to advanced
608 pages
17h 17m
English
Content preview from Django 3 Web Development Cookbook - Fourth Edition
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How it works...
If we navigate to the idea detail page, we should see the large image masked by our watermark, similar to this:
Let's examine how this was done. In the detail template, the src attribute for the <img> tag uses the idea's image specification, that is, watermarked_picture_large, to create a modified image that is then saved under the media/CACHE/ directory and served from there.
The django-imagekit specifications use processors to modify images. Two processors are used there:
- ResizeToFill resizes the image to 800 × 400 px
- Our custom processor, WatermarkOverlay, applies the semi-transparent overlay to it
django-imagekit processors ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.