doc

lib/typescript/ReactNativeZoomableView.d.ts

@@ -197,13 +197,15 @@ declare class ReactNativeZoomableView extends Component<ReactNativeZoomableViewP
      */
     _getNextZoomStep(): number | undefined;
     /**
-     * Zooms to a specific level. A specific location to zoom to can be specified.
-     * The location provided is relative to the zoom subject where center is 0,0.
+     * Zooms to a specific level. A "zoom center" can be provided, which specifies
+     * the point that will remain in the same position on the screen after the zoom.
+     * The coordinates of the zoom center is relative to the zoom subject.
+     * { x: 0, y: 0 } is the very center of the zoom subject.
      *
      * @param newZoomLevel
-     * @param coords relative coords compared to the zoom subject. Default to the center.
+     * @param zoomCenter relative coords compared to the zoom subject. Default to the center.
      */
-    zoomTo(newZoomLevel: number, coords?: {
+    zoomTo(newZoomLevel: number, zoomCenter?: {
         x: number;
         y: number;
     }): true | undefined;

src/ReactNativeZoomableView.tsx

@@ -1075,13 +1075,15 @@ class ReactNativeZoomableView extends Component<
   }
 
   /**
-   * Zooms to a specific level. A specific location to zoom to can be specified.
-   * The location provided is relative to the zoom subject where center is 0,0.
+   * Zooms to a specific level. A "zoom center" can be provided, which specifies
+   * the point that will remain in the same position on the screen after the zoom.
+   * The coordinates of the zoom center is relative to the zoom subject.
+   * { x: 0, y: 0 } is the very center of the zoom subject.
    *
    * @param newZoomLevel
-   * @param coords relative coords compared to the zoom subject. Default to the center.
+   * @param zoomCenter relative coords compared to the zoom subject. Default to the center.
    */
-  zoomTo(newZoomLevel: number, coords = { x: 0, y: 0 }) {
+  zoomTo(newZoomLevel: number, zoomCenter = { x: 0, y: 0 }) {
     if (!this.props.zoomEnabled) return;
     if (this.props.maxZoom && newZoomLevel > this.props.maxZoom) return;
     if (this.props.minZoom && newZoomLevel < this.props.minZoom) return;
@@ -1102,14 +1104,14 @@ class ReactNativeZoomableView extends Component<
           this.state.originalWidth,
           prevScale,
           newScale,
-          coords.x
+          zoomCenter.x
         ),
         y: calcNewScaledOffsetForZoomCentering(
           this.offsetY,
           this.state.originalHeight,
           prevScale,
           newScale,
-          coords.y
+          zoomCenter.y
         ),
       });
       prevScale = newScale;