fix(shared-transition): iOS snapshot opacity (#10278)

rigor789 · web-flow · commit b8a548f00935 · 2023-04-26T11:17:39.000-07:00
diff --git a/packages/core/utils/native-helper.ios.ts b/packages/core/utils/native-helper.ios.ts
@@ -368,10 +368,13 @@ export namespace iOSNativeHelper {
 			return view.image;
 		}
 		// console.log('snapshotView view.frame:', printRect(view.frame));
+		const originalOpacity = view.layer.opacity;
+		view.layer.opacity = originalOpacity > 0 ? originalOpacity : 1;
 		UIGraphicsBeginImageContextWithOptions(CGSizeMake(view.frame.size.width, view.frame.size.height), false, scale);
 		view.layer.renderInContext(UIGraphicsGetCurrentContext());
 		const image = UIGraphicsGetImageFromCurrentImageContext();
 		UIGraphicsEndImageContext();
+		view.layer.opacity = originalOpacity;
 		return image;
 	}
 

Original file line number	Diff line number	Diff line change
`@@ -368,10 +368,13 @@ export namespace iOSNativeHelper {`
`368`	`368`	`return view.image;`
`369`	`369`	`}`
`370`	`370`	`// console.log('snapshotView view.frame:', printRect(view.frame));`
	`371`	`+ const originalOpacity = view.layer.opacity;`
	`372`	`+ view.layer.opacity = originalOpacity > 0 ? originalOpacity : 1;`
`371`	`373`	`UIGraphicsBeginImageContextWithOptions(CGSizeMake(view.frame.size.width, view.frame.size.height), false, scale);`
`372`	`374`	`view.layer.renderInContext(UIGraphicsGetCurrentContext());`
`373`	`375`	`const image = UIGraphicsGetImageFromCurrentImageContext();`
`374`	`376`	`UIGraphicsEndImageContext();`
	`377`	`+ view.layer.opacity = originalOpacity;`
`375`	`378`	`return image;`
`376`	`379`	`}`
`377`	`380`