Created
February 4, 2026 09:25
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Attempt to demonstrate issue with caching FrameData in TextFrame in Impeller
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| import 'dart:math'; | |
| import 'package:flutter/material.dart'; | |
| void main() { | |
| runApp(const MyApp()); | |
| } | |
| class MyApp extends StatelessWidget { | |
| const MyApp({super.key}); | |
| @override | |
| Widget build(BuildContext context) { | |
| return MaterialApp( | |
| title: 'Flutter Demo', | |
| theme: ThemeData( | |
| colorScheme: .fromSeed(seedColor: Colors.deepPurple), | |
| ), | |
| home: const MyHomePage(title: 'Flutter Demo Home Page'), | |
| ); | |
| } | |
| } | |
| class MyHomePage extends StatefulWidget { | |
| const MyHomePage({super.key, required this.title}); | |
| final String title; | |
| @override | |
| State<MyHomePage> createState() => _MyHomePageState(); | |
| } | |
| class _MyHomePageState extends State<MyHomePage> { | |
| @override | |
| Widget build(BuildContext context) { | |
| Widget text = RepaintBoundary( | |
| child: Center( | |
| child: SizedBox( | |
| width: 40, | |
| height: 40, | |
| child: Center( | |
| child: SizedBox( | |
| width: 30, | |
| height: 30, | |
| child: DecoratedBox( | |
| decoration: BoxDecoration( | |
| border: BoxBorder.all( | |
| color: Colors.blue, | |
| width: 2, | |
| ), | |
| ), | |
| child: Center( | |
| child: Text('hi'), | |
| ), | |
| ), | |
| ), | |
| ), | |
| ), | |
| ), | |
| ); | |
| Random random = Random(); | |
| random.nextDouble(); | |
| return Scaffold( | |
| appBar: AppBar( | |
| backgroundColor: Theme.of(context).colorScheme.inversePrimary, | |
| title: Text(widget.title), | |
| ), | |
| body: Center( | |
| child: Column( | |
| mainAxisAlignment: .center, | |
| children: [ | |
| for (int i = 0; i < 8; i++) | |
| Row( | |
| mainAxisAlignment: .center, | |
| children: [ | |
| for (int j = 0; j < 16; j++) | |
| Transform.scale( | |
| scale: random.nextDouble() * 0.75 + 0.5, | |
| child: text, | |
| ), | |
| ], | |
| ), | |
| ], | |
| ), | |
| ), | |
| ); | |
| } | |
| } |
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