uploads - Alter the image, before save, of a particular image size

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Is there a way/filter to edit the image (as in the image file itself) before it is saved, on a per image size basis?

Particularly, I want to have a version of an image that I'll apply a blur effect to. I'll call my custom image size, say, `500x500_blurred' with:

add_image_size('500x500_blurred', 500, 500, true);

Now, on adding a new image, I'd like to alter the 500x500_blurred version before it is saved, applying some manipulations to just that image, so that the original image and all other size versions do not get the same manipulations.

本文标签： uploadsAlter the imagebefore saveof a particular image size