From 1a33e914b40c0456156c063d34885dcb255a03ad Mon Sep 17 00:00:00 2001
From: "dong.wang" <itechbirds@gmail.com>
Date: Mon, 13 Jun 2022 16:25:14 +0800
Subject: [PATCH] feat(Image): Image support mouse wheel zoom in and out

---
 components/vc-image/src/Preview.tsx | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/components/vc-image/src/Preview.tsx b/components/vc-image/src/Preview.tsx
index 58ab378777..14f0415381 100644
--- a/components/vc-image/src/Preview.tsx
+++ b/components/vc-image/src/Preview.tsx
@@ -295,6 +295,14 @@ const Preview = defineComponent({
         },
         { flush: 'post', immediate: true },
       );
+      watch([lastWheelZoomDirection], () => {
+        const { wheelDirection } = lastWheelZoomDirection.value;
+        if (wheelDirection > 0) {
+          onZoomOut();
+        } else if (wheelDirection < 0) {
+          onZoomIn();
+        }
+      });
     });
     onUnmounted(() => {
       removeListeners();