Ok, I found it myself.
wp-content/plugins/envira-gallery-lite/includes/global/shortcode.php
line 312-313:
// These calls will generate thumbnails as necessary for us.
$imagesrc = $this->get_image_src( $id, $item, $data );
$image_src_retina = $this->get_image_src( $id, $item, $data, false, true );
Just comment out these 2 lines – and that’s it:
// These calls will generate thumbnails as necessary for us.
//$imagesrc = $this->get_image_src( $id, $item, $data );
//$image_src_retina = $this->get_image_src( $id, $item, $data, false, true );
The first line generates the “whatever-640×480” thumbnail, the second one – the “whatever-1280×960” thumbnail.
and now the gallery uses the original (full-size) uploaded images.
Besides – these 2 thumbnails were never deleted – even after an image was removed from an Elvira gallery – obviously a bug.
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This reply was modified 6 years, 3 months ago by dorelly2.