504 lines
16 KiB
Dart
504 lines
16 KiB
Dart
import 'dart:io';
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import 'dart:math' as math;
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import 'package:flutter/material.dart';
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import 'package:image_picker/image_picker.dart';
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import 'package:permission_handler/permission_handler.dart';
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import 'package:device_info_plus/device_info_plus.dart';
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import 'package:camera/camera.dart'; // AJOUT : Pour piloter le flux caméra en direct
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import 'package:provider/provider.dart';
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import '../../core/constants/app_constants.dart';
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import '../../core/theme/app_theme.dart';
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import '../../data/models/target_type.dart';
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import '../crop/crop_screen.dart';
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import '../session/session_provider.dart';
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import 'widgets/image_source_button.dart';
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import '../../services/image_crop_service.dart';
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class CaptureScreen extends StatefulWidget {
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const CaptureScreen({super.key});
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@override
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State<CaptureScreen> createState() => _CaptureScreenState();
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}
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class _CaptureScreenState extends State<CaptureScreen> with SingleTickerProviderStateMixin {
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final ImagePicker _picker = ImagePicker();
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final ImageCropService _cropService = ImageCropService();
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final TargetType _selectedType = TargetType.concentric;
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String? _selectedImagePath;
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bool _isLoading = false;
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// AJOUT : Variables de gestion du flux caméra en direct
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CameraController? _cameraController;
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List<CameraDescription>? _cameras;
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bool _isCameraInitialized = false;
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bool _showLiveCamera = false;
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// AJOUT : Animation pour l'effet "pulsation de détection" du cadre vert
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late AnimationController _scanAnimationController;
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late Animation<double> _scanAnimation;
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@override
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void initState() {
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super.initState();
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// Initialisation de l'animation du viseur vert (effet pulsation)
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_scanAnimationController = AnimationController(
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duration: const Duration(seconds: 2),
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vsync: this,
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)..repeat(reverse: true);
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_scanAnimation = Tween<double>(begin: 0.8, end: 1.0).animate(
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CurvedAnimation(parent: _scanAnimationController, curve: Curves.easeInOut),
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);
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}
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@override
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void dispose() {
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_cameraController?.dispose();
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_scanAnimationController.dispose();
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super.dispose();
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}
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// AJOUT : Initialisation de la caméra embarquée
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Future<void> _initLiveCamera() async {
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final status = await Permission.camera.request();
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if (!status.isGranted) {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(content: Text('Accès à l\'appareil photo requis')),
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);
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}
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return;
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}
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setState(() => _isLoading = true);
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try {
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_cameras = await availableCameras();
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if (_cameras != null && _cameras!.isNotEmpty) {
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_cameraController = CameraController(
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_cameras![0],
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ResolutionPreset.max, // Force le 4:3 natif au maximum du capteur
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enableAudio: false,
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imageFormatGroup: ImageFormatGroup.jpeg,
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);
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// INITIALISATION UNIQUE ET PROPRE :
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await _cameraController!.initialize();
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setState(() {
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_isCameraInitialized = true;
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_showLiveCamera = true;
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});
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}
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} catch (e) {
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debugPrint('Erreur caméra: $e');
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} finally {
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setState(() => _isLoading = false);
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}
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}
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Future<void> _handleGallerySelection() async {
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PermissionStatus status;
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if (Platform.isAndroid) {
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final deviceInfo = DeviceInfoPlugin();
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final androidInfo = await deviceInfo.androidInfo;
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if (androidInfo.version.sdkInt >= 33) {
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status = await Permission.photos.request();
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} else {
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status = await Permission.storage.request();
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}
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} else {
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status = await Permission.photos.request();
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}
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if (status.isGranted) {
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_captureImageFromGallery();
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} else if (status.isPermanentlyDenied) {
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_showSettingsDialog();
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} else {
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if (mounted) {
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ScaffoldMessenger.of(context).showSnackBar(
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const SnackBar(
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content: Text('Accès à la galerie requis pour continuer'),
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),
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);
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}
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}
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}
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void _showSettingsDialog() {
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showDialog(
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context: context,
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builder: (context) => AlertDialog(
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title: const Text('Permission requise'),
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content: const Text(
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'L\'accès aux photos est nécessaire. Veuillez l\'activer dans les paramètres.',
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),
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actions: [
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TextButton(
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onPressed: () => Navigator.pop(context),
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child: const Text('Annuler'),
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),
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TextButton(
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onPressed: () => openAppSettings(),
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child: const Text('Paramètres'),
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),
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],
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),
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);
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}
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@override
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Widget build(BuildContext context) {
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final sessionProvider = context.watch<SessionProvider>();
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final title = sessionProvider.isSessionActive
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? 'Cible ${sessionProvider.targetCount + 1}'
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: 'Source';
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// AJOUT : Si l'utilisateur clique sur scanner, on affiche la caméra plein écran avec l'overlay vert
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if (_showLiveCamera && _cameraController != null && _cameraController!.value.isInitialized) {
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return _buildLiveCameraView();
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}
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return Scaffold(
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appBar: AppBar(title: Text(title)),
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body: SingleChildScrollView(
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padding: const EdgeInsets.all(AppConstants.defaultPadding),
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child: Column(
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crossAxisAlignment: CrossAxisAlignment.stretch,
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children: [
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const SizedBox(height: AppConstants.largePadding),
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_buildSectionTitle('Source de l\'Image'),
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const SizedBox(height: 12),
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Row(
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children: [
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Expanded(
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child: ImageSourceButton(
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icon: Icons.camera_alt,
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label: 'Scanner',
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onPressed: _isLoading ? null : _initLiveCamera, // Ouvre notre caméra intégrée
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),
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),
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const SizedBox(width: 12),
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Expanded(
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child: ImageSourceButton(
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icon: Icons.photo_library,
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label: 'Galerie',
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onPressed: _isLoading ? null : _handleGallerySelection,
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),
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),
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],
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),
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const SizedBox(height: AppConstants.largePadding),
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if (_isLoading)
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const Center(
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child: Padding(
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padding: EdgeInsets.all(32),
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child: CircularProgressIndicator(),
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),
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)
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else
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_buildGuide(),
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],
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),
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),
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);
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}
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// AJOUT : Interface de la caméra live avec l'assistant de cadrage vert
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// INTERFACE CORRIGÉE : Cadre fixe et cible ronde verte au centre
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// INTERFACE : Restauration de TON ancienne cible centrale verte d'origine
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Widget _buildLiveCameraView() {
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return Scaffold(
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backgroundColor: Colors.black,
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body: Stack(
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fit: StackFit.expand,
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children: [
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// 1. Le flux vidéo de la caméra
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Center(
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child: AspectRatio(
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aspectRatio: 3 / 4, // Aligné sur le format natif du capteur photo
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child: CameraPreview(_cameraController!),
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),
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),
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// 2. L'ASSISTANT DE CADRAGE VIRTUEL (Avec le grand cadre complet et la petite cible)
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Center(
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child: Container(
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width: MediaQuery.of(context).size.width * 0.85,
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height: MediaQuery.of(context).size.width * 0.85,
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decoration: BoxDecoration(
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border: Border.all(
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color: const Color(0xFF00FF00), // Grand cadre extérieur vert fluo
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width: 2.0,
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),
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borderRadius: BorderRadius.circular(16),
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),
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child: Stack(
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children: [
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// SÉCURITÉ : On réintègre les 4 coins renforcés sur les côtés !
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_buildCameraCorner(TopLeft: true),
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_buildCameraCorner(TopRight: true),
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_buildCameraCorner(BottomLeft: true),
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_buildCameraCorner(BottomRight: true),
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// TA MIRE CENTRALE HISTORIQUE FINALE
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Center(
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child: Container(
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width: 24, // Diamètre global de la petite cible
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height: 24,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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border: Border.all(
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color: const Color(0xFF00FF00),
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width: 1.2, // Ligne fine
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),
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),
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child: Stack(
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children: [
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// Trait horizontal fin confiné
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Center(
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child: Container(
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width: 20,
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height: 1.2,
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color: const Color(0xFF00FF00),
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),
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),
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// Trait vertical fin confiné
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Center(
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child: Container(
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width: 1.2,
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height: 20,
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color: const Color(0xFF00FF00),
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),
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),
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],
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),
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),
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),
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],
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),
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),
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),
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// 3. Barre supérieure avec bouton Retour
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Positioned(
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top: 40,
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left: 20,
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child: CircleAvatar(
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backgroundColor: Colors.black54,
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child: IconButton(
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icon: const Icon(Icons.arrow_back, color: Colors.white),
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onPressed: () {
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setState(() {
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_showLiveCamera = false;
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});
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},
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),
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),
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),
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// 4. Consigne de scan textuelle
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Positioned(
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top: 50,
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left: 0,
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right: 0,
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child: Center(
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child: Container(
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padding: const EdgeInsets.symmetric(horizontal: 16, vertical: 8),
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decoration: BoxDecoration(
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color: Colors.black.withValues(alpha: 0.7),
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borderRadius: BorderRadius.circular(20),
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),
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child: const Text(
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'ALIGNEZ LA CIBLE DANS LE CADRE',
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style: TextStyle(
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color: Color(0xFF00FF00),
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fontWeight: FontWeight.bold,
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fontSize: 12,
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letterSpacing: 1.2,
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),
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),
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),
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),
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),
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// 5. Bouton déclencheur Manuel en bas
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Positioned(
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bottom: 40,
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left: 0,
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right: 0,
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child: Center(
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child: GestureDetector(
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onTap: _takePictureManually,
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child: Container(
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height: 80,
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width: 80,
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decoration: BoxDecoration(
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shape: BoxShape.circle,
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border: Border.all(color: Colors.white, width: 4),
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),
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child: Center(
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child: Container(
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height: 64,
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width: 64,
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decoration: const BoxDecoration(
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color: Colors.white,
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shape: BoxShape.circle,
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),
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),
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),
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),
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),
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),
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),
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],
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),
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);
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}
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Widget _buildCameraCorner({
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bool TopLeft = false,
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bool TopRight = false,
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bool BottomLeft = false,
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bool BottomRight = false,
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}) {
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return Positioned(
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top: (TopLeft || TopRight) ? 10 : null,
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bottom: (BottomLeft || BottomRight) ? 10 : null,
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left: (TopLeft || BottomLeft) ? 10 : null,
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right: (TopRight || BottomRight) ? 10 : null,
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child: Container(
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width: 20,
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height: 20,
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decoration: BoxDecoration(
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border: Border(
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top: (TopLeft || TopRight) ? const BorderSide(color: Color(0xFF00FF00), width: 4) : BorderSide.none,
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bottom: (BottomLeft || BottomRight) ? const BorderSide(color: Color(0xFF00FF00), width: 4) : BorderSide.none,
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left: (TopLeft || BottomLeft) ? const BorderSide(color: Color(0xFF00FF00), width: 4) : BorderSide.none,
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right: (TopRight || BottomRight) ? const BorderSide(color: Color(0xFF00FF00), width: 4) : BorderSide.none,
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),
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),
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),
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);
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}
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// AJOUT : Capture manuelle via notre bouton déclencheur
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Future<void> _takePictureManually() async {
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if (_cameraController == null || !_cameraController!.value.isInitialized) return;
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setState(() => _isLoading = true);
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try {
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// 1. On prend la photo brute normale (sans y toucher)
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final XFile photo = await _cameraController!.takePicture();
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setState(() {
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_selectedImagePath = photo.path;
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_showLiveCamera = false;
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});
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// 2. On l'envoie directement à l'analyse
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_analyzeImage();
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} catch (e) {
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debugPrint('Erreur lors du clic photo: $e');
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} finally {
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setState(() => _isLoading = false);
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}
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}
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Widget _buildSectionTitle(String title) {
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return Text(
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title,
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style: Theme.of(
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context,
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).textTheme.titleMedium?.copyWith(fontWeight: FontWeight.bold),
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);
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}
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Widget _buildGuide() {
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return Card(
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child: Padding(
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padding: const EdgeInsets.all(AppConstants.defaultPadding),
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child: Column(
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children: [
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Icon(Icons.help_outline, size: 48, color: Colors.grey[400]),
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const SizedBox(height: 12),
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Text(
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'Conseils pour une bonne analyse',
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style: Theme.of(
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context,
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).textTheme.titleSmall?.copyWith(fontWeight: FontWeight.bold),
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),
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const SizedBox(height: 12),
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_buildGuideItem(
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Icons.crop_free,
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'Cadrez la cible entière dans l\'image',
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),
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_buildGuideItem(Icons.wb_sunny, 'Utilisez un bon éclairage'),
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_buildGuideItem(Icons.straighten, 'Prenez la photo de face'),
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_buildGuideItem(Icons.blur_off, 'Évitez les images floues'),
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_buildGuideItem(
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Icons.cleaning_services,
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'Nettoyer votre objectif avec une chiffonnette',
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),
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],
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),
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),
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);
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}
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Widget _buildGuideItem(IconData icon, String text) {
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return Padding(
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padding: const EdgeInsets.symmetric(vertical: 4),
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child: Row(
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children: [
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Icon(icon, size: 20, color: AppTheme.primaryColor),
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const SizedBox(width: 12),
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Expanded(child: Text(text)),
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],
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),
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);
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}
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// Capture depuis la galerie d'images
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Future<void> _captureImageFromGallery() async {
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setState(() => _isLoading = true);
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try {
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final XFile? image = await _picker.pickImage(
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source: ImageSource.gallery,
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maxWidth: 2048,
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maxHeight: 2048,
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imageQuality: 90,
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);
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if (image != null) {
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setState(() {
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_selectedImagePath = image.path;
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});
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_analyzeImage();
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}
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} catch (e) {
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debugPrint('Erreur galerie: $e');
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} finally {
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if (mounted) setState(() => _isLoading = false);
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}
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}
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void _analyzeImage() {
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if (_selectedImagePath == null) return;
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Navigator.push(
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context,
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MaterialPageRoute(
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builder: (_) => CropScreen(
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imagePath: _selectedImagePath!,
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targetType: _selectedType,
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),
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),
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);
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}
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} |