fix #1811 @1.5

diff --git a/inc/ws/Util/html5/master/class.ws.html5.links.php b/inc/ws/Util/html5/master/class.ws.html5.links.php
index e4aea99101a734a2d14ff90124ffa99660902c0e..5ff189a2206ec7952c23bd2d51ec5f6b0c042aa1 100644 (file)
--- a/inc/ws/Util/html5/master/class.ws.html5.links.php
+++ b/inc/ws/Util/html5/master/class.ws.html5.links.php
@@ -1262,6 +1262,7 @@ class zoomLink extends normalLink {
        public function generateImage() {
 
                $maxzoom = ((int)$this->to !== 0) ? $this->to : 2; // Max zoom level might not always be set in the link editor
+               $maxzoom = min($maxzoom, 4.166666667);
 
                // TODO: Consider generating higher-res images (eg. 2x) for HiDPI screens. Maybe some extra optimisations can be done on the larger images...