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Refactor: Amélioration globale de l'expérience de cadrage et de l'interface de capture

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This commit is contained in:
qguillaume
2026-05-26 18:09:39 +02:00
parent 750732eafe
commit 653264c6a1
3 changed files with 340 additions and 38 deletions
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299
lib/features/capture/capture_screen.dart
View File

@@ -1,8 +1,10 @@
import 'dart:io';
import 'dart:math' as math;
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import 'package:permission_handler/permission_handler.dart';
import 'package:device_info_plus/device_info_plus.dart';
import 'package:camera/camera.dart'; // AJOUT : Pour piloter le flux caméra en direct
import 'package:provider/provider.dart';
import '../../core/constants/app_constants.dart';
@@ -19,12 +21,78 @@ class CaptureScreen extends StatefulWidget {
State<CaptureScreen> createState() => _CaptureScreenState();
}
class _CaptureScreenState extends State<CaptureScreen> {
class _CaptureScreenState extends State<CaptureScreen> with SingleTickerProviderStateMixin {
final ImagePicker _picker = ImagePicker();
final TargetType _selectedType = TargetType.concentric;
String? _selectedImagePath;
bool _isLoading = false;
// AJOUT : Variables de gestion du flux caméra en direct
CameraController? _cameraController;
List<CameraDescription>? _cameras;
bool _isCameraInitialized = false;
bool _showLiveCamera = false;
// AJOUT : Animation pour l'effet "pulsation de détection" du cadre vert
late AnimationController _scanAnimationController;
late Animation<double> _scanAnimation;
@override
void initState() {
super.initState();
// Initialisation de l'animation du viseur vert (effet pulsation)
_scanAnimationController = AnimationController(
duration: const Duration(seconds: 2),
vsync: this,
)..repeat(reverse: true);
_scanAnimation = Tween<double>(begin: 0.8, end: 1.0).animate(
CurvedAnimation(parent: _scanAnimationController, curve: Curves.easeInOut),
);
}
@override
void dispose() {
_cameraController?.dispose();
_scanAnimationController.dispose();
super.dispose();
}
// AJOUT : Initialisation de la caméra embarquée
Future<void> _initLiveCamera() async {
final status = await Permission.camera.request();
if (!status.isGranted) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Accès à l\'appareil photo requis')),
);
}
return;
}
setState(() => _isLoading = true);
try {
_cameras = await availableCameras();
if (_cameras != null && _cameras!.isNotEmpty) {
_cameraController = CameraController(
_cameras![0],
ResolutionPreset.high,
enableAudio: false,
);
await _cameraController!.initialize();
setState(() {
_isCameraInitialized = true;
_showLiveCamera = true;
});
}
} catch (e) {
debugPrint('Erreur caméra: $e');
} finally {
setState(() => _isLoading = false);
}
}
Future<void> _handleGallerySelection() async {
PermissionStatus status;
@@ -42,7 +110,7 @@ class _CaptureScreenState extends State<CaptureScreen> {
}
if (status.isGranted) {
_captureImage(ImageSource.gallery);
_captureImageFromGallery();
} else if (status.isPermanentlyDenied) {
_showSettingsDialog();
} else {
@@ -85,6 +153,11 @@ class _CaptureScreenState extends State<CaptureScreen> {
? 'Cible ${sessionProvider.targetCount + 1}'
: 'Source';
// AJOUT : Si l'utilisateur clique sur scanner, on affiche la caméra plein écran avec l'overlay vert
if (_showLiveCamera && _cameraController != null && _cameraController!.value.isInitialized) {
return _buildLiveCameraView();
}
return Scaffold(
appBar: AppBar(title: Text(title)),
body: SingleChildScrollView(
@@ -102,8 +175,7 @@ class _CaptureScreenState extends State<CaptureScreen> {
child: ImageSourceButton(
icon: Icons.camera_alt,
label: 'Scanner',
// Appelle maintenant l'appareil photo classique
onPressed: _isLoading ? null : _openStandardCamera,
onPressed: _isLoading ? null : _initLiveCamera, // Ouvre notre caméra intégrée
),
),
const SizedBox(width: 12),
@@ -133,6 +205,202 @@ class _CaptureScreenState extends State<CaptureScreen> {
);
}
// AJOUT : Interface de la caméra live avec l'assistant de cadrage vert
// INTERFACE CORRIGÉE : Cadre fixe et cible ronde verte au centre
// INTERFACE : Restauration de TON ancienne cible centrale verte d'origine
Widget _buildLiveCameraView() {
return Scaffold(
backgroundColor: Colors.black,
body: Stack(
fit: StackFit.expand,
children: [
// 1. Le flux vidéo de la caméra
CameraPreview(_cameraController!),
// 2. L'ASSISTANT DE CADRAGE VIRTUEL (Avec le grand cadre complet et la petite cible)
Center(
child: Container(
width: MediaQuery.of(context).size.width * 0.85,
height: MediaQuery.of(context).size.width * 0.85,
decoration: BoxDecoration(
border: Border.all(
color: const Color(0xFF00FF00), // Grand cadre extérieur vert fluo
width: 2.0,
),
borderRadius: BorderRadius.circular(16),
),
child: Stack(
children: [
// SÉCURITÉ : On réintègre les 4 coins renforcés sur les côtés !
_buildCameraCorner(TopLeft: true),
_buildCameraCorner(TopRight: true),
_buildCameraCorner(BottomLeft: true),
_buildCameraCorner(BottomRight: true),
// TA MIRE CENTRALE HISTORIQUE FINALE
Center(
child: Container(
width: 24, // Diamètre global de la petite cible
height: 24,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(
color: const Color(0xFF00FF00),
width: 1.2, // Ligne fine
),
),
child: Stack(
children: [
// Trait horizontal fin confiné
Center(
child: Container(
width: 20,
height: 1.2,
color: const Color(0xFF00FF00),
),
),
// Trait vertical fin confiné
Center(
child: Container(
width: 1.2,
height: 20,
color: const Color(0xFF00FF00),
),
),
],
),
),
),
],
),
),
),
// 3. Barre supérieure avec bouton Retour
Positioned(
top: 40,
left: 20,
child: CircleAvatar(
backgroundColor: Colors.black54,
child: IconButton(
icon: const Icon(Icons.arrow_back, color: Colors.white),
onPressed: () {
setState(() {
_showLiveCamera = false;
});
},
),
),
),
// 4. Consigne de scan textuelle
Positioned(
top: 50,
left: 0,
right: 0,
child: Center(
child: Container(
padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
decoration: BoxDecoration(
color: Colors.black.withValues(alpha: 0.7),
borderRadius: BorderRadius.circular(20),
),
child: const Text(
'ALIGNEZ LA CIBLE DANS LE CADRE',
style: TextStyle(
color: Color(0xFF00FF00),
fontWeight: FontWeight.bold,
fontSize: 12,
letterSpacing: 1.2,
),
),
),
),
),
// 5. Bouton déclencheur Manuel en bas
Positioned(
bottom: 40,
left: 0,
right: 0,
child: Center(
child: GestureDetector(
onTap: _takePictureManually,
child: Container(
height: 80,
width: 80,
decoration: BoxDecoration(
shape: BoxShape.circle,
border: Border.all(color: Colors.white, width: 4),
),
child: Center(
child: Container(
height: 64,
width: 64,
decoration: const BoxDecoration(
color: Colors.white,
shape: BoxShape.circle,
),
),
),
),
),
),
),
],
),
);
}
Widget _buildCameraCorner({
bool TopLeft = false,
bool TopRight = false,
bool BottomLeft = false,
bool BottomRight = false,
}) {
return Positioned(
top: (TopLeft || TopRight) ? 10 : null,
bottom: (BottomLeft || BottomRight) ? 10 : null,
left: (TopLeft || BottomLeft) ? 10 : null,
right: (TopRight || BottomRight) ? 10 : null,
child: Container(
width: 20,
height: 20,
decoration: BoxDecoration(
border: Border(
top: (TopLeft || TopRight) ? const BorderSide(color: Color(0xFF00FF00), width: 4) : BorderSide.none,
bottom: (BottomLeft || BottomRight) ? const BorderSide(color: Color(0xFF00FF00), width: 4) : BorderSide.none,
left: (TopLeft || BottomLeft) ? const BorderSide(color: Color(0xFF00FF00), width: 4) : BorderSide.none,
right: (TopRight || BottomRight) ? const BorderSide(color: Color(0xFF00FF00), width: 4) : BorderSide.none,
),
),
),
);
}
// AJOUT : Capture manuelle via notre bouton déclencheur
Future<void> _takePictureManually() async {
if (_cameraController == null || !_cameraController!.value.isInitialized) return;
setState(() => _isLoading = true);
try {
// Prise de la photo
final XFile photo = await _cameraController!.takePicture();
setState(() {
_selectedImagePath = photo.path;
_showLiveCamera = false; // Quitte la vue caméra
});
// Redirection automatique vers l'écran de Crop
_analyzeImage();
} catch (e) {
debugPrint('Erreur lors du clic photo: $e');
} finally {
setState(() => _isLoading = false);
}
}
Widget _buildSectionTitle(String title) {
return Text(
title,
@@ -187,25 +455,12 @@ class _CaptureScreenState extends State<CaptureScreen> {
);
}
// NOUVELLE FONCTION : Ouvre l'appareil photo classique 100% Manuel
Future<void> _openStandardCamera() async {
final status = await Permission.camera.request();
if (status.isGranted) {
_captureImage(ImageSource.camera);
} else {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
const SnackBar(content: Text('Accès à l\'appareil photo requis')),
);
}
}
}
Future<void> _captureImage(ImageSource source) async {
// Capture depuis la galerie d'images
Future<void> _captureImageFromGallery() async {
setState(() => _isLoading = true);
try {
final XFile? image = await _picker.pickImage(
source: source,
source: ImageSource.gallery,
maxWidth: 2048,
maxHeight: 2048,
imageQuality: 90,
@@ -214,11 +469,10 @@ class _CaptureScreenState extends State<CaptureScreen> {
setState(() {
_selectedImagePath = image.path;
});
// On appelle directement l'analyse avec le bon chemin de fichier
_analyzeImage();
}
} catch (e) {
debugPrint('Erreur capture: $e');
debugPrint('Erreur galerie: $e');
} finally {
if (mounted) setState(() => _isLoading = false);
}
@@ -227,7 +481,6 @@ class _CaptureScreenState extends State<CaptureScreen> {
void _analyzeImage() {
if (_selectedImagePath == null) return;
// Correction de la redirection pour ouvrir proprement le CropScreen
Navigator.push(
context,
MaterialPageRoute(

74
pubspec.lock
View File

@@ -33,6 +33,46 @@ packages:
url: "https://pub.dev"
source: hosted
version: "2.1.2"
camera:
dependency: "direct main"
description:
name: camera
sha256: "034c38cb8014d29698dcae6d20276688a1bf74e6487dfeb274d70ea05d5f7777"
url: "https://pub.dev"
source: hosted
version: "0.12.0+1"
camera_android_camerax:
dependency: transitive
description:
name: camera_android_camerax
sha256: b5064cf25a2787d122d0bf12e77c7b1033a2b983d0730e3091f770ee376efde5
url: "https://pub.dev"
source: hosted
version: "0.7.2"
camera_avfoundation:
dependency: transitive
description:
name: camera_avfoundation
sha256: "90e4cc3fde331581a3b2d35d83be41dbb7393af0ab857eb27b732174289cb96d"
url: "https://pub.dev"
source: hosted
version: "0.10.1"
camera_platform_interface:
dependency: transitive
description:
name: camera_platform_interface
sha256: "7ac852d77699acee79f0d438b793feee26721841e50973576419ff5c6d95e9b7"
url: "https://pub.dev"
source: hosted
version: "2.13.0"
camera_web:
dependency: transitive
description:
name: camera_web
sha256: "57f49a635c8bf249d07fb95eb693d7e4dda6796dedb3777f9127fb54847beba7"
url: "https://pub.dev"
source: hosted
version: "0.3.5+3"
change_case:
dependency: transitive
description:
@@ -45,10 +85,10 @@ packages:
dependency: transitive
description:
name: characters
sha256: faf38497bda5ead2a8c7615f4f7939df04333478bf32e4173fcb06d428b5716b
sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
url: "https://pub.dev"
source: hosted
version: "1.4.1"
version: "1.4.0"
clock:
dependency: transitive
description:
@@ -425,26 +465,26 @@ packages:
dependency: transitive
description:
name: matcher
sha256: "12956d0ad8390bbcc63ca2e1469c0619946ccb52809807067a7020d57e647aa6"
sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
url: "https://pub.dev"
source: hosted
version: "0.12.18"
version: "0.12.17"
material_color_utilities:
dependency: transitive
description:
name: material_color_utilities
sha256: "9c337007e82b1889149c82ed242ed1cb24a66044e30979c44912381e9be4c48b"
sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
url: "https://pub.dev"
source: hosted
version: "0.13.0"
version: "0.11.1"
meta:
dependency: transitive
description:
name: meta
sha256: "1741988757a65eb6b36abe716829688cf01910bbf91c34354ff7ec1c3de2b349"
sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
url: "https://pub.dev"
source: hosted
version: "1.18.0"
version: "1.17.0"
mime:
dependency: transitive
description:
@@ -802,6 +842,14 @@ packages:
url: "https://pub.dev"
source: hosted
version: "2.1.4"
stream_transform:
dependency: transitive
description:
name: stream_transform
sha256: ad47125e588cfd37a9a7f86c7d6356dde8dfe89d071d293f80ca9e9273a33871
url: "https://pub.dev"
source: hosted
version: "2.1.1"
string_scanner:
dependency: transitive
description:
@@ -814,10 +862,10 @@ packages:
dependency: transitive
description:
name: synchronized
sha256: "63896c27e81b28f8cb4e69ead0d3e8f03f1d1e5fc531a3e579cabed6a2c7c9e5"
sha256: c254ade258ec8282947a0acbbc90b9575b4f19673533ee46f2f6e9b3aeefd7c0
url: "https://pub.dev"
source: hosted
version: "3.4.0+1"
version: "3.4.0"
term_glyph:
dependency: transitive
description:
@@ -830,10 +878,10 @@ packages:
dependency: transitive
description:
name: test_api
sha256: "93167629bfc610f71560ab9312acdda4959de4df6fac7492c89ff0d3886f6636"
sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
url: "https://pub.dev"
source: hosted
version: "0.7.9"
version: "0.7.7"
typed_data:
dependency: transitive
description:
@@ -915,5 +963,5 @@ packages:
source: hosted
version: "3.1.3"
sdks:
dart: ">=3.11.0 <4.0.0"
dart: ">=3.10.3 <4.0.0"
flutter: ">=3.38.4"

1
pubspec.yaml
View File

@@ -70,6 +70,7 @@ dependencies:
device_info_plus: ^13.1.0
shared_preferences: ^2.5.5
crypto: ^3.0.7
camera: ^0.12.0+1
# Machine Learning for YOLOv8
# tflite_flutter: ^0.11.0