1 files changed, 5 insertions, 3 deletions
diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index 53d969c0a..5925c0392 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -64,6 +64,7 @@ export class PDFViewer extends React.Component<IViewerProps> {
     private _styleRule: any; // stylesheet rule for making hyperlinks clickable
     private _retries = 0; // number of times tried to create the PDF viewer
     private _setPreviewCursor: undefined | ((x: number, y: number, drag: boolean, hide: boolean) => void);
+    private _setBrushViewer: undefined | ((view: { width: number; height: number; panX: number; panY: number }) => void);
     private _annotationLayer: React.RefObject<HTMLDivElement> = React.createRef();
     private _disposers: { [name: string]: IReactionDisposer } = {};
     private _viewer: React.RefObject<HTMLDivElement> = React.createRef();
@@ -174,9 +175,8 @@ export class PDFViewer extends React.Component<IViewerProps> {
         }
         return focusSpeed;
     };
-    crop = (region: Doc | undefined, addCrop?: boolean) => {
-        return this.props.crop(region, addCrop);
-    };
+    crop = (region: Doc | undefined, addCrop?: boolean) => this.props.crop(region, addCrop);
+    brushView = (view: { width: number; height: number; panX: number; panY: number }) => this._setBrushViewer?.(view);
 
     @action
     setupPdfJsViewer = async () => {
@@ -446,6 +446,7 @@ export class PDFViewer extends React.Component<IViewerProps> {
     };
 
     setPreviewCursor = (func?: (x: number, y: number, drag: boolean, hide: boolean) => void) => (this._setPreviewCursor = func);
+    setBrushViewer = (func?: (view: { width: number; height: number; panX: number; panY: number }) => void) => (this._setBrushViewer = func);
 
     @action
     onZoomWheel = (e: React.WheelEvent) => {
@@ -512,6 +513,7 @@ export class PDFViewer extends React.Component<IViewerProps> {
                 fieldKey={this.props.fieldKey + '-annotations'}
                 CollectionView={undefined}
                 setPreviewCursor={this.setPreviewCursor}
+                setBrushViewer={this.setBrushViewer}
                 PanelHeight={this.panelHeight}
                 PanelWidth={this.panelWidth}
                 ScreenToLocalTransform={this.overlayTransform}