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function wt_gallery_orientation_class( $lightbox_img_src, $attachment, $atts, $meta ){
$attachment_meta = wp_get_attachment_metadata( $attachment->ID );
if ( empty( $attachment_meta['width'] ) || empty( $attachment_meta['height'] ) ){
return $lightbox_img_src;
}
$ratio = $attachment_meta['width'] / $attachment_meta['height'];
$factor = 1.2;
if ( $ratio > $factor ){
$orientation_class = 'wt-landscape';
}
else if ( $ratio < ( 1 / $factor ) ){
$orientation_class = 'wt-portrait';
}
else{
$orientation_class = 'wt-square';
}
$existing = ! empty( $lightbox_img_src['custom_link_class'] ) ? $lightbox_img_src['custom_link_class'] . ' ' : '';
$lightbox_img_src['custom_link_class'] = $existing . $orientation_class;
return $lightbox_img_src;
}
add_filter( 'avf_avia_builder_gallery_image_link', 'wt_gallery_orientation_class', 10, 4 );#top div .avia-gallery.avia-gallery-mosaic .avia-gallery-thumb {
display: grid;
grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)) !important;
grid-auto-flow: dense;
gap: 10px;
align-items: stretch;
}
@media only screen and (max-width: 599px) {
#top div .avia-gallery.avia-gallery-mosaic .avia-gallery-thumb {
grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)) !important;
}
}
/* Enfold Reset */
#top div .avia-gallery.avia-gallery-mosaic .avia-gallery-thumb a:nth-child(3n+1) img {
aspect-ratio: unset !important;
}
#top div .avia-gallery.avia-gallery-mosaic .avia-gallery-thumb a {
display: block;
position: relative;
overflow: hidden;
aspect-ratio: 1 / 1; /* Default = quadratisch/Standard */
}
#top div .avia-gallery.avia-gallery-mosaic .avia-gallery-thumb a img {
width: 100%;
height: 100%;
object-fit: cover;
display: block;
border: none !important;
}
/* Landscape: 2 Spalten breit, Höhe bleibt bei 1 Zeile */
#top div .avia-gallery.avia-gallery-mosaic .avia-gallery-thumb a.wt-square {
grid-column: span 1;
aspect-ratio: 1 / 1;
}
/* Landscape: 2 Spalten breit, Höhe bleibt bei 1 Zeile */
#top div .avia-gallery.avia-gallery-mosaic .avia-gallery-thumb a.wt-landscape {
grid-column: span 2;
aspect-ratio: 2 / 1;
}
/* Portrait: 2 Zeilen hoch, Breite bleibt bei 1 Spalte */
#top div .avia-gallery.avia-gallery-mosaic .avia-gallery-thumb a.wt-portrait {
grid-column: span 1;
grid-row: span 2;
aspect-ratio: 1 / 2;
}