fix: prevent image jump when lifting one finger during pinch zoom (#135)

- fix image jump when lifting one finger during pinch zoom

Author: saseungmin

.changeset/old-masks-end.md

@@ -0,0 +1,10 @@
+---
+"react-native-gesture-image-viewer": patch
+---
+
+fix: prevent image jump when lifting one finger during pinch zoom
+
+- Fixed an issue where the image would abruptly snap/jump when lifting one finger during a two-finger pinch-to-zoom gesture.
+- The image now maintains its position when transitioning from two fingers to one finger.
+
+Related issue: [#134](https://github.com/saseungmin/react-native-gesture-image-viewer/issues/134)

src/useGestureViewer.ts

@@ -466,6 +466,10 @@ export const useGestureViewer = <ItemT, LC>({
 
         scale.value = newScale;
 
+        if (event.numberOfPointers !== 2) {
+          return;
+        }
+
         if (newScale <= 1) {
           translateX.value = withTiming(0);
           translateY.value = withTiming(0);