Please use https://github.com/chrometoasters/silverstripe-image-quality instead
Allows setting image quality on a per-image basis in templates.
composer require kinglozzer/silverstripe-inline-image-quality:^1
Use with .Quality()
in templates, passing a number between 0 and 100. For example:
<!-- Max image quality -->
{$CarouselImage.Quality(100).Fill(1280, 480)}
<!-- Low image quality -->
{$ObscuredImage.Quality(5).Fill(350, 350)}