Merge pull request #127 from openspacelabs/louisb/zoom-to-coords

Add zoom to coords
openspacelabs · Dec 3, 2024 · adf1a54 · adf1a54
2 parents 3d2003d + 7a06461
commit adf1a54
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Showing 6 changed files with 47 additions and 2 deletions.
diff --git a/lib/commonjs/ReactNativeZoomableView.js b/lib/commonjs/ReactNativeZoomableView.js
diff --git a/lib/commonjs/ReactNativeZoomableView.js.map b/lib/commonjs/ReactNativeZoomableView.js.map
diff --git a/lib/module/ReactNativeZoomableView.js b/lib/module/ReactNativeZoomableView.js
diff --git a/lib/module/ReactNativeZoomableView.js.map b/lib/module/ReactNativeZoomableView.js.map
diff --git a/lib/typescript/ReactNativeZoomableView.d.ts b/lib/typescript/ReactNativeZoomableView.d.ts
@@ -215,6 +215,10 @@ declare class ReactNativeZoomableView extends Component<ReactNativeZoomableViewP
      * @return {bool}
      */
     zoomTo(newZoomLevel: number): boolean;
+    /**
+     * Sets zoom relative to the zoomableview
+     */
+    zoomToRelCoords(x: number, y: number, newZoomLevel: number): boolean;
     /**
      * Zooms in or out by a specified change level
      * Use a positive number for `zoomLevelChange` to zoom in

diff --git a/src/ReactNativeZoomableView.tsx b/src/ReactNativeZoomableView.tsx
@@ -1146,6 +1146,21 @@ class ReactNativeZoomableView extends Component<
     return true;
   }
 
+  /**
+   * Sets zoom relative to the zoomableview
+   */
+  zoomToRelCoords(x: number, y: number, newZoomLevel: number) {
+    if (
+      // if we would go out of our min/max limits -> abort
+      (this.props.maxZoom && newZoomLevel > this.props.maxZoom) ||
+      (this.props.minZoom && newZoomLevel < this.props.minZoom)
+    )
+      return false;
+    // Just exposing _zoomToLocation
+    this._zoomToLocation(x, y, newZoomLevel);
+    return true;
+  }
+
   /**
    * Zooms in or out by a specified change level
    * Use a positive number for `zoomLevelChange` to zoom in