fixes to initial zoom, fullscreen behavior in OpenSeaDragon

Author: jacobwhall

assets/js/components/image_viewer.js

@@ -47,7 +47,7 @@ function initOSDViewer(el) {
     visibilityRatio: 0.5,
     maxZoomPixelRatio: 4,
     minZoomLevel: 0.5,
-    defaultZoomLevel: 0,
+    defaultZoomLevel: 1,
     gestureSettingsMouse: { scrollToZoom: false },
     tileSources: [iiifUrl],
     drawer: "canvas",

assets/styles/components/image-viewer.css

@@ -14,6 +14,11 @@
     height: auto;
 }
 
+#osd-viewer.fullpage {
+    height: 100%;
+    max-height: none;
+}
+
 .osd-btn-group {
     position: absolute;
     top: 10px;