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feat: Adding component snapshot to Dev tools (#3261)
Adds a component render snapshot to the dev tools. https://github.com/user-attachments/assets/07dcdc10-f8c8-4607-a87d-ab832aa8bab5
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71
packages/flame/lib/src/devtools/connectors/component_snapshot_connector.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| import 'dart:convert'; | ||
| import 'dart:developer'; | ||
| import 'dart:ui'; | ||
|
|
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| import 'package:flame/components.dart'; | ||
| import 'package:flame/src/devtools/dev_tools_connector.dart'; | ||
|
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| class ComponentSnapshotConnector extends DevToolsConnector { | ||
| @override | ||
| void init() { | ||
| registerExtension( | ||
| 'ext.flame_devtools.getComponentSnapshot', | ||
| (method, parameters) async { | ||
| Image? image; | ||
| final id = int.tryParse(parameters['id'] ?? ''); | ||
| game.propagateToChildren<Component>( | ||
| (c) { | ||
| if (c.hashCode == id) { | ||
| final pictureRecorder = PictureRecorder(); | ||
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| final canvas = Canvas(pictureRecorder); | ||
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| // I am not sure how we could calculate the size of a component | ||
| // that isn't a PositionComponent, so for now we will just use | ||
| // an arbitrary size. | ||
| var width = 100; | ||
| var height = 100; | ||
|
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| if (c is PositionComponent) { | ||
| width = c.width.toInt(); | ||
| height = c.height.toInt(); | ||
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| // Translate the canvas so that the component is | ||
| // drawn at the 0,0 | ||
| canvas.translate(-c.x, -c.y); | ||
| } | ||
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| c.renderTree(canvas); | ||
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| final picture = pictureRecorder.endRecording(); | ||
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| image = picture.toImageSync(width, height); | ||
|
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| return false; | ||
| } | ||
| return true; | ||
| }, | ||
| ); | ||
|
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| if (image != null) { | ||
| final byteData = await image!.toByteData(format: ImageByteFormat.png); | ||
| final buffer = byteData!.buffer.asUint8List(); | ||
| final snapshot = base64Encode(buffer); | ||
| return ServiceExtensionResponse.result( | ||
| json.encode({ | ||
| 'id': id, | ||
| 'snapshot': snapshot, | ||
| }), | ||
| ); | ||
| } | ||
|
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| return ServiceExtensionResponse.result( | ||
| json.encode({ | ||
| 'id': id, | ||
| 'snapshot': '', | ||
| }), | ||
| ); | ||
| }, | ||
| ); | ||
| } | ||
| } |
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89 changes: 89 additions & 0 deletions
89
packages/flame_devtools/lib/widgets/component_snapshot.dart
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| import 'package:flame/flame.dart'; | ||
| import 'package:flame/widgets.dart'; | ||
| import 'package:flame_devtools/repository.dart'; | ||
| import 'package:flutter/material.dart' hide Image; | ||
|
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| class ComponentSnapshot extends StatefulWidget { | ||
| const ComponentSnapshot({ | ||
| required this.id, | ||
| super.key, | ||
| }); | ||
|
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| final String id; | ||
|
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| @override | ||
| State<ComponentSnapshot> createState() => _ComponentSnapshotState(); | ||
| } | ||
|
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| class _ComponentSnapshotState extends State<ComponentSnapshot> { | ||
| late Future<String?> _snapshot; | ||
|
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| @override | ||
| void initState() { | ||
| super.initState(); | ||
|
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| _snapshot = Repository.snapshot(id: widget.id); | ||
| } | ||
|
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| @override | ||
| void didUpdateWidget(ComponentSnapshot oldWidget) { | ||
| super.didUpdateWidget(oldWidget); | ||
|
|
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| if (oldWidget.id != widget.id) { | ||
| _snapshot = Repository.snapshot(id: widget.id); | ||
| } | ||
| } | ||
|
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| @override | ||
| Widget build(BuildContext context) { | ||
| return FutureBuilder<String?>( | ||
| future: _snapshot, | ||
| builder: (context, snapshot) { | ||
| if (snapshot.connectionState == ConnectionState.done && | ||
| snapshot.hasData) { | ||
| return Base64Image( | ||
| base64: snapshot.data!, | ||
| imageId: widget.id, | ||
| ); | ||
| } | ||
| return const Text('Loading snapshot...'); | ||
| }, | ||
| ); | ||
| } | ||
| } | ||
|
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| class Base64Image extends StatelessWidget { | ||
| const Base64Image({ | ||
| required this.base64, | ||
| required this.imageId, | ||
| super.key, | ||
| }); | ||
|
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| final String base64; | ||
| final String imageId; | ||
|
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| @override | ||
| Widget build(BuildContext context) { | ||
| final imageFuture = Flame.images.fromBase64( | ||
| imageId, | ||
| base64, | ||
| ); | ||
| return FutureBuilder( | ||
| future: imageFuture, | ||
| builder: (context, snapshot) { | ||
| if (snapshot.connectionState == ConnectionState.done) { | ||
| return SizedBox( | ||
| width: 200, | ||
| height: 200, | ||
| child: SpriteWidget( | ||
| sprite: Sprite( | ||
| snapshot.data!, | ||
| ), | ||
| ), | ||
| ); | ||
| } | ||
| return const Text('Loading image...'); | ||
| }, | ||
| ); | ||
| } | ||
| } |
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