opt: 图片渲染内存

2024-01-14 18:06:56 +08:00
parent db6662c980
commit 8f661337f5
5 changed files with 111 additions and 55 deletions
--- a/lib/utils/extension.dart
+++ b/lib/utils/extension.dart
@ -0,0 +1,7 @@
+import 'package:flutter/material.dart';
+
+extension ImageExtension on num {
+  int cacheSize(BuildContext context) {
+    return (this * MediaQuery.of(context).devicePixelRatio).round();
+  }
+}