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6ff02dbc83
This PR includes the `widthFactor` and `heightFactor` when computing the intrinsic size of a `RenderPositionedBox`.
<details><summary>Code sample</summary>
Red should have a height of 100, blue one of 200.
```dart
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
void main() {
runApp(const MyApp());
}
class MyApp extends StatelessWidget {
const MyApp({super.key});
@override
Widget build(BuildContext context) {
return MaterialApp(
title: 'Intrinsic Bug',
theme: ThemeData(
colorScheme: ColorScheme.fromSeed(seedColor: Colors.deepPurple),
useMaterial3: true,
),
home: Scaffold(
body: Row(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Expanded(
child: IntrinsicHeight(
child: Align(
heightFactor: 0.5,
child: Container(
height: 200,
color: Colors.red,
),
),
),
),
Expanded(
child: Container(
height: 200,
color: Colors.blue,
),
),
],
),
),
);
}
}
```
</details>
Before:
After:
Fix #135822