1 files changed, 26 insertions, 19 deletions
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 77cf0fc84..5f927a2a9 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -1489,7 +1489,7 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         }));
     }
 
-    replaceCanvases = (oldDiv: HTMLElement, newDiv: HTMLElement) => {
+    static replaceCanvases(oldDiv: HTMLElement, newDiv: HTMLElement) {
         if (oldDiv.childNodes && newDiv) {
             for (let i = 0; i < oldDiv.childNodes.length; i++) {
                 this.replaceCanvases(oldDiv.childNodes[i] as HTMLElement, newDiv.childNodes[i] as HTMLElement);
@@ -1508,32 +1508,39 @@ export class CollectionFreeFormView extends CollectionSubView<Partial<collection
         }
     }
 
-    updateIcon = () => {
-        const docViewContent = this.props.docViewPath().lastElement().ContentDiv!;
+    updateIcon = () => CollectionFreeFormView.UpdateIcon(
+        this.layoutDoc[Id] + "-icon" + (new Date()).getTime(),
+        this.props.docViewPath().lastElement().ContentDiv!,
+        this.layoutDoc[WidthSym](), this.layoutDoc[HeightSym](), 
+        this.props.PanelWidth(), this.props.PanelHeight(), 0, 
+        (iconFile, nativeWidth, nativeHeight) => {
+                    this.dataDoc.icon = new ImageField(iconFile);
+                    this.dataDoc["icon-nativeWidth"] = nativeWidth;
+                    this.dataDoc["icon-nativeHeight"] = nativeHeight;
+        });
+
+    public static UpdateIcon(filename:string, docViewContent:HTMLElement, width: number, height: number, 
+        panelWidth:number, panelHeight: number, scrollTop:number, cb:(iconFile:string, nativeWidth:number, nativeHeight:number) => any) {
         const newDiv = docViewContent.cloneNode(true) as HTMLDivElement;
-        newDiv.style.width = (this.layoutDoc[WidthSym]()).toString();
-        newDiv.style.height = (this.layoutDoc[HeightSym]()).toString();
+        newDiv.style.width = width.toString();
+        newDiv.style.height = height.toString();
         this.replaceCanvases(docViewContent, newDiv);
-        const htmlString = this._mainCont && new XMLSerializer().serializeToString(newDiv);
-        const nativeWidth = this.layoutDoc[WidthSym]();
-        const nativeHeight = this.layoutDoc[HeightSym]();
-
+        const htmlString = new XMLSerializer().serializeToString(newDiv);
+        const nativeWidth = width;
+        const nativeHeight = height;
         CreateImage(
-            "",
+            Utils.prepend(""),
             document.styleSheets,
             htmlString,
             nativeWidth,
-            nativeWidth * this.props.PanelHeight() / this.props.PanelWidth(),
-            NumCast(this.layoutDoc._scrollTop)
+            nativeWidth * panelHeight / panelWidth,
+            scrollTop
         ).then
             ((data_url: any) => {
-                VideoBox.convertDataUri(data_url, this.layoutDoc[Id] + "-icon" + (new Date()).getTime(), true, this.layoutDoc[Id] + "-icon").then(
-                    returnedfilename => setTimeout(action(() => {
-
-                        this.dataDoc.icon = new ImageField(returnedfilename);
-                        this.dataDoc["icon-nativeWidth"] = nativeWidth;
-                        this.dataDoc["icon-nativeHeight"] = nativeHeight;
-                    }), 500));
+                VideoBox.convertDataUri(data_url, filename).then(
+                    returnedfilename => setTimeout(() => {
+                        cb(returnedfilename as string, nativeWidth, nativeHeight);
+                    }, 500));
             })
             .catch(function (error: any) {
                 console.error('oops, something went wrong!', error);