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premier app version beta

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streaper2
2026-01-18 13:38:09 +01:00
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lib/features/capture/capture_screen.dart Normal file
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import 'dart:io';
import 'package:flutter/material.dart';
import 'package:image_picker/image_picker.dart';
import '../../core/constants/app_constants.dart';
import '../../core/theme/app_theme.dart';
import '../../data/models/target_type.dart';
import '../analysis/analysis_screen.dart';
import 'widgets/target_type_selector.dart';
import 'widgets/image_source_button.dart';
class CaptureScreen extends StatefulWidget {
const CaptureScreen({super.key});
@override
State<CaptureScreen> createState() => _CaptureScreenState();
}
class _CaptureScreenState extends State<CaptureScreen> {
final ImagePicker _picker = ImagePicker();
TargetType _selectedType = TargetType.concentric;
String? _selectedImagePath;
bool _isLoading = false;
@override
Widget build(BuildContext context) {
return Scaffold(
appBar: AppBar(
title: const Text('Nouvelle Analyse'),
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(AppConstants.defaultPadding),
child: Column(
crossAxisAlignment: CrossAxisAlignment.stretch,
children: [
// Target type selection
_buildSectionTitle('Type de Cible'),
const SizedBox(height: 12),
TargetTypeSelector(
selectedType: _selectedType,
onTypeSelected: (type) {
setState(() => _selectedType = type);
},
),
const SizedBox(height: AppConstants.largePadding),
// Image source selection
_buildSectionTitle('Source de l\'Image'),
const SizedBox(height: 12),
Row(
children: [
Expanded(
child: ImageSourceButton(
icon: Icons.camera_alt,
label: 'Camera',
onPressed: _isLoading ? null : () => _captureImage(ImageSource.camera),
),
),
const SizedBox(width: 12),
Expanded(
child: ImageSourceButton(
icon: Icons.photo_library,
label: 'Galerie',
onPressed: _isLoading ? null : () => _captureImage(ImageSource.gallery),
),
),
],
),
const SizedBox(height: AppConstants.largePadding),
// Image preview
if (_isLoading)
const Center(
child: Padding(
padding: EdgeInsets.all(32),
child: CircularProgressIndicator(),
),
)
else if (_selectedImagePath != null)
_buildImagePreview(),
// Guide text
if (_selectedImagePath == null && !_isLoading)
_buildGuide(),
],
),
),
floatingActionButton: _selectedImagePath != null
? FloatingActionButton.extended(
onPressed: _analyzeImage,
icon: const Icon(Icons.analytics),
label: const Text('Analyser'),
)
: null,
);
}
Widget _buildSectionTitle(String title) {
return Text(
title,
style: Theme.of(context).textTheme.titleMedium?.copyWith(
fontWeight: FontWeight.bold,
),
);
}
Widget _buildImagePreview() {
return Column(
children: [
_buildSectionTitle('Apercu'),
const SizedBox(height: 12),
ClipRRect(
borderRadius: BorderRadius.circular(AppConstants.borderRadius),
child: Stack(
children: [
Image.file(
File(_selectedImagePath!),
fit: BoxFit.contain,
width: double.infinity,
),
Positioned(
top: 8,
right: 8,
child: IconButton(
icon: const Icon(Icons.close),
onPressed: () {
setState(() => _selectedImagePath = null);
},
style: IconButton.styleFrom(
backgroundColor: Colors.black54,
foregroundColor: Colors.white,
),
),
),
],
),
),
const SizedBox(height: 12),
_buildFramingHints(),
],
);
}
Widget _buildFramingHints() {
return Card(
color: AppTheme.warningColor.withValues(alpha: 0.1),
child: Padding(
padding: const EdgeInsets.all(12),
child: Row(
children: [
Icon(Icons.info_outline, color: AppTheme.warningColor),
const SizedBox(width: 12),
Expanded(
child: Text(
'Assurez-vous que la cible est bien centree et visible.',
style: TextStyle(color: AppTheme.warningColor.withValues(alpha: 0.8)),
),
),
],
),
),
);
}
Widget _buildGuide() {
return Card(
child: Padding(
padding: const EdgeInsets.all(AppConstants.defaultPadding),
child: Column(
children: [
Icon(
Icons.help_outline,
size: 48,
color: Colors.grey[400],
),
const SizedBox(height: 12),
Text(
'Conseils pour une bonne analyse',
style: Theme.of(context).textTheme.titleSmall?.copyWith(
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 12),
_buildGuideItem(Icons.crop_free, 'Cadrez la cible entiere dans l\'image'),
_buildGuideItem(Icons.wb_sunny, 'Utilisez un bon eclairage'),
_buildGuideItem(Icons.straighten, 'Prenez la photo de face'),
_buildGuideItem(Icons.blur_off, 'Evitez les images floues'),
],
),
),
);
}
Widget _buildGuideItem(IconData icon, String text) {
return Padding(
padding: const EdgeInsets.symmetric(vertical: 4),
child: Row(
children: [
Icon(icon, size: 20, color: AppTheme.primaryColor),
const SizedBox(width: 12),
Expanded(child: Text(text)),
],
),
);
}
Future<void> _captureImage(ImageSource source) async {
setState(() => _isLoading = true);
try {
final XFile? image = await _picker.pickImage(
source: source,
maxWidth: 2048,
maxHeight: 2048,
imageQuality: 90,
);
if (image != null) {
setState(() => _selectedImagePath = image.path);
}
} catch (e) {
if (mounted) {
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(
content: Text('Erreur lors de la capture: $e'),
backgroundColor: AppTheme.errorColor,
),
);
}
} finally {
if (mounted) {
setState(() => _isLoading = false);
}
}
}
void _analyzeImage() {
if (_selectedImagePath == null) return;
Navigator.push(
context,
MaterialPageRoute(
builder: (_) => AnalysisScreen(
imagePath: _selectedImagePath!,
targetType: _selectedType,
),
),
);
}
}