Years ago' I developed a php class to create image thumbnails on the fly, evaluating the interesting part of the image. I wrote about this in my company's blog, now I'd like to share these concepts here, in my poor english.
Generate thumbnails from images is a common task in modern web applications, because there is no reason to serve oversized images, when they are used as 800px wide (or less) images in a template. There is no reason to make a user download the whole image (many KB or MB), if then it is resized through css.
But how to deal with thumbnails?
There are two main approaches used by modern web applications:
- have the backend generate ...
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