Vignetting filter for images

[olivierdalang]

Hi !

A very simple, nice and useful image filter is vignetting. Would it be possible to add it to grav ?
The implementation is very easy : http://php.net/manual/fr/function.imagefilter.php#109809

This would require to fork the gregwar library, but as far as I understand Grav doesn't rely on gregwar releases anyway.

I just tried the changes locally and it works great.

What do you think ?

[olivierdalang]

See Gregwar/Image#137

[rhukster]

We do still use Gregwar from composer. We were stuck on a specific commit, but i've now modified that to be just dev-master. If you can get your function added to Gregwar it will get picked up by Grav.

[olivierdalang]

For the record, I made a PR here : Gregwar/Image#138
I hope it will get some attention as the repo doesn't seem very active...

I think if this gets merged, we'd still need to change system/src/Grav/Common/Page/Medium/ImageMedium.php to add vignette to $magic_actions