streaper2/impact
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases 6 Wiki Activity

feat: implement base architecture and core repositories for weapon tracking and target analysis functionality

Browse Source
This commit is contained in:
streaper2
2026-05-08 20:29:18 +02:00
parent 5dd58da51c
commit 774dbfcf40
37 changed files with 3687 additions and 2713 deletions
Download Patch File Download Diff File Expand all files Collapse all files

603
lib/features/crop/crop_screen.dart
View File

@@ -1,286 +1,317 @@
import 'dart:io';
import 'dart:math' as math;
import 'package:flutter/material.dart';
import '../../core/theme/app_theme.dart';
import '../../data/models/target_type.dart';
import '../../services/image_crop_service.dart';
import '../analysis/analysis_screen.dart';
import 'widgets/crop_overlay.dart';
class CropScreen extends StatefulWidget {
final String imagePath;
final TargetType targetType;
const CropScreen({
super.key,
required this.imagePath,
required this.targetType,
});
@override
State<CropScreen> createState() => _CropScreenState();
}
class _CropScreenState extends State<CropScreen> {
final ImageCropService _cropService = ImageCropService();
// États de transformation
double _scale = 1.0;
double _baseScale = 1.0;
Offset _offset = Offset.zero;
Offset _startOffset = Offset.zero;
Offset _startFocalPoint = Offset.zero;
bool _isLoading = false;
bool _imageLoaded = false;
Size? _imageSize;
late Size _viewportSize;
late double _cropSize;
@override
void initState() {
super.initState();
_loadImageInfo();
}
Future<void> _loadImageInfo() async {
final file = File(widget.imagePath);
final decodedImage = await decodeImageFromList(await file.readAsBytes());
if (mounted) {
setState(() {
_imageSize = Size(
decodedImage.width.toDouble(),
decodedImage.height.toDouble(),
);
_imageLoaded = true;
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFF101214),
appBar: AppBar(
backgroundColor: const Color(0xFF101214),
elevation: 0,
centerTitle: true,
title: const Text(
'Validation image',
style: TextStyle(color: Colors.white, fontSize: 18),
),
leading: IconButton(
icon: const Icon(Icons.arrow_back, color: Colors.white),
onPressed: () => Navigator.pop(context),
),
),
body: _isLoading
? const Center(child: CircularProgressIndicator(color: Color(0xFF1A73E8)))
: Column(
children: [
// Zone interactive de crop
Expanded(
child: Container(
margin: const EdgeInsets.all(20),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.white10),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(12),
child: _imageLoaded ? _buildInteractiveCrop() : const Center(child: CircularProgressIndicator()),
),
),
),
// Bouton d'aide / Modifier
Padding(
padding: const EdgeInsets.symmetric(vertical: 20),
child: Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.touch_app, color: Colors.white54, size: 20),
const SizedBox(width: 8),
Text(
'Déplacez et zoomez pour cadrer',
style: TextStyle(color: Colors.white.withOpacity(0.6), fontSize: 14),
),
],
),
),
// Boutons du bas
Padding(
padding: const EdgeInsets.fromLTRB(20, 0, 20, 30),
child: Row(
children: [
Expanded(
child: OutlinedButton(
onPressed: () => Navigator.pop(context),
style: OutlinedButton.styleFrom(
side: const BorderSide(color: Colors.white24),
padding: const EdgeInsets.symmetric(vertical: 15),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
),
child: const Text('Recommencer', style: TextStyle(color: Colors.white)),
),
),
const SizedBox(width: 16),
Expanded(
child: ElevatedButton(
onPressed: _onCropConfirm,
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF1A73E8),
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(vertical: 15),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
),
child: const Text('Valider', style: TextStyle(fontWeight: FontWeight.bold)),
),
),
],
),
),
],
),
);
}
Widget _buildInteractiveCrop() {
return LayoutBuilder(
builder: (context, constraints) {
_viewportSize = Size(constraints.maxWidth, constraints.maxHeight);
_cropSize = math.min(constraints.maxWidth, constraints.maxHeight) * 0.9;
if (_scale == 1.0 && _offset == Offset.zero) {
_initializeImagePosition();
}
return GestureDetector(
onScaleStart: _onScaleStart,
onScaleUpdate: _onScaleUpdate,
child: Stack(
children: [
Positioned.fill(
child: Center(
child: Transform(
transform: Matrix4.identity()
..setTranslationRaw(_offset.dx, _offset.dy, 0)
..scale(_scale, _scale),
alignment: Alignment.center,
child: Image.file(
File(widget.imagePath),
fit: BoxFit.contain,
width: _viewportSize.width,
height: _viewportSize.height,
),
),
),
),
Positioned.fill(
child: IgnorePointer(
child: CropOverlay(cropSize: _cropSize, showGrid: true),
),
),
],
),
);
},
);
}
void _initializeImagePosition() {
if (_imageSize == null) return;
final imageAspect = _imageSize!.width / _imageSize!.height;
final viewportAspect = _viewportSize.width / _viewportSize.height;
double displayWidth, displayHeight;
if (imageAspect > viewportAspect) {
displayWidth = _viewportSize.width;
displayHeight = _viewportSize.width / imageAspect;
} else {
displayHeight = _viewportSize.height;
displayWidth = _viewportSize.height * imageAspect;
}
final minDisplayDim = math.min(displayWidth, displayHeight);
_scale = _cropSize / minDisplayDim;
if (_scale < 1.0) _scale = 1.0;
}
void _onScaleStart(ScaleStartDetails details) {
_baseScale = _scale;
_startFocalPoint = details.focalPoint;
_startOffset = _offset;
}
void _onScaleUpdate(ScaleUpdateDetails details) {
setState(() {
_scale = (_baseScale * details.scale).clamp(0.5, 5.0);
final delta = details.focalPoint - _startFocalPoint;
_offset = _startOffset + delta;
});
}
Future<void> _onCropConfirm() async {
setState(() => _isLoading = true);
try {
final cropRect = _calculateCropRect();
final croppedPath = await _cropService.cropToSquare(widget.imagePath, cropRect);
if (!mounted) return;
Navigator.pushReplacement(
context,
MaterialPageRoute(
builder: (_) => AnalysisScreen(
imagePath: croppedPath,
targetType: widget.targetType,
),
),
);
} catch (e) {
if (mounted) {
setState(() => _isLoading = false);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Erreur: $e'), backgroundColor: AppTheme.errorColor),
);
}
}
}
CropRect _calculateCropRect() {
if (_imageSize == null) return const CropRect(x: 0, y: 0, width: 1, height: 1);
final imageAspect = _imageSize!.width / _imageSize!.height;
final viewportAspect = _viewportSize.width / _viewportSize.height;
double displayWidth, displayHeight;
if (imageAspect > viewportAspect) {
displayWidth = _viewportSize.width;
displayHeight = _viewportSize.width / imageAspect;
} else {
displayHeight = _viewportSize.height;
displayWidth = _viewportSize.height * imageAspect;
}
final scaledWidth = displayWidth * _scale;
final scaledHeight = displayHeight * _scale;
final imageCenterX = _viewportSize.width / 2 + _offset.dx;
final imageCenterY = _viewportSize.height / 2 + _offset.dy;
final imageLeft = imageCenterX - scaledWidth / 2;
final imageTop = imageCenterY - scaledHeight / 2;
final cropLeft = (_viewportSize.width - _cropSize) / 2;
final cropTop = (_viewportSize.height - _cropSize) / 2;
final relCropLeft = (cropLeft - imageLeft) / scaledWidth;
final relCropTop = (cropTop - imageTop) / scaledHeight;
final relCropSize = _cropSize / scaledWidth;
final relCropSizeY = _cropSize / scaledHeight;
return CropRect(
x: relCropLeft.clamp(0.0, 1.0),
y: relCropTop.clamp(0.0, 1.0),
width: relCropSize.clamp(0.0, 1.0 - relCropLeft.clamp(0.0, 1.0)),
height: relCropSizeY.clamp(0.0, 1.0 - relCropTop.clamp(0.0, 1.0)),
);
}
}
import 'dart:io';
import 'dart:math' as math;
import 'package:flutter/material.dart';
import '../../core/theme/app_theme.dart';
import '../../data/models/target_type.dart';
import '../../services/image_crop_service.dart';
import '../analysis/analysis_screen.dart';
import 'widgets/crop_overlay.dart';
class CropScreen extends StatefulWidget {
final String imagePath;
final TargetType targetType;
final double? initialScale;
final Offset? initialOffset;
const CropScreen({
super.key,
required this.imagePath,
required this.targetType,
this.initialScale,
this.initialOffset,
});
@override
State<CropScreen> createState() => _CropScreenState();
}
class _CropScreenState extends State<CropScreen> {
final ImageCropService _cropService = ImageCropService();
// États de transformation
double _scale = 1.0;
double _baseScale = 1.0;
Offset _offset = Offset.zero;
Offset _startOffset = Offset.zero;
Offset _startFocalPoint = Offset.zero;
bool _isLoading = false;
bool _imageLoaded = false;
Size? _imageSize;
late Size _viewportSize;
late double _cropSize;
@override
void initState() {
super.initState();
_loadImageInfo();
}
Future<void> _loadImageInfo() async {
final file = File(widget.imagePath);
final decodedImage = await decodeImageFromList(await file.readAsBytes());
if (mounted) {
setState(() {
_imageSize = Size(
decodedImage.width.toDouble(),
decodedImage.height.toDouble(),
);
_imageLoaded = true;
});
}
}
@override
Widget build(BuildContext context) {
return Scaffold(
backgroundColor: const Color(0xFF101214),
appBar: AppBar(
backgroundColor: const Color(0xFF101214),
elevation: 0,
centerTitle: true,
title: const Text(
'Centrage de la cible',
style: TextStyle(color: Colors.white, fontSize: 18),
),
leading: IconButton(
icon: const Icon(Icons.arrow_back, color: Colors.white),
onPressed: () => Navigator.pop(context),
),
),
body: _isLoading
? const Center(child: CircularProgressIndicator(color: Color(0xFF1A73E8)))
: Column(
children: [
// Zone interactive de crop
Expanded(
child: Container(
margin: const EdgeInsets.all(20),
decoration: BoxDecoration(
borderRadius: BorderRadius.circular(12),
border: Border.all(color: Colors.white10),
),
child: ClipRRect(
borderRadius: BorderRadius.circular(12),
child: _imageLoaded ? _buildInteractiveCrop() : const Center(child: CircularProgressIndicator()),
),
),
),
// Bouton d'aide / Modifier
Padding(
padding: const EdgeInsets.symmetric(vertical: 20),
child: Column(
children: [
Row(
mainAxisAlignment: MainAxisAlignment.center,
children: [
const Icon(Icons.center_focus_strong, color: Colors.redAccent, size: 20),
const SizedBox(width: 8),
Text(
'Alignez le centre de la cible sur la croix',
style: TextStyle(color: Colors.white.withOpacity(0.8), fontSize: 14, fontWeight: FontWeight.w500),
),
],
),
const SizedBox(height: 4),
Text(
'Zoomez pour plus de précision',
style: TextStyle(color: Colors.white.withOpacity(0.5), fontSize: 12),
),
],
),
),
// Boutons du bas
Padding(
padding: const EdgeInsets.fromLTRB(20, 0, 20, 30),
child: Row(
children: [
Expanded(
child: OutlinedButton(
onPressed: () => Navigator.pop(context),
style: OutlinedButton.styleFrom(
side: const BorderSide(color: Colors.white24),
padding: const EdgeInsets.symmetric(vertical: 15),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
),
child: const Text('Retour', style: TextStyle(color: Colors.white)),
),
),
const SizedBox(width: 16),
Expanded(
child: ElevatedButton(
onPressed: _onCropConfirm,
style: ElevatedButton.styleFrom(
backgroundColor: const Color(0xFF1A73E8),
foregroundColor: Colors.white,
padding: const EdgeInsets.symmetric(vertical: 15),
shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(8)),
),
child: const Text('Analyser', style: TextStyle(fontWeight: FontWeight.bold)),
),
),
],
),
),
],
),
);
}
Widget _buildInteractiveCrop() {
return LayoutBuilder(
builder: (context, constraints) {
_viewportSize = Size(constraints.maxWidth, constraints.maxHeight);
// Le carré de crop occupe presque tout l'espace disponible
_cropSize = math.min(constraints.maxWidth, constraints.maxHeight) * 0.95;
if (_scale == 1.0 && _offset == Offset.zero) {
_initializeImagePosition();
}
return GestureDetector(
onScaleStart: _onScaleStart,
onScaleUpdate: _onScaleUpdate,
child: Stack(
children: [
Positioned.fill(
child: Center(
child: Transform(
transform: Matrix4.identity()
..setTranslationRaw(_offset.dx, _offset.dy, 0)
..scale(_scale, _scale),
alignment: Alignment.center,
child: Image.file(
File(widget.imagePath),
fit: BoxFit.contain,
width: _viewportSize.width,
height: _viewportSize.height,
),
),
),
),
Positioned.fill(
child: IgnorePointer(
child: CropOverlay(cropSize: _cropSize, showGrid: false),
),
),
],
),
);
},
);
}
void _initializeImagePosition() {
if (_imageSize == null) return;
final imageAspect = _imageSize!.width / _imageSize!.height;
final viewportAspect = _viewportSize.width / _viewportSize.height;
double displayWidth, displayHeight;
if (imageAspect > viewportAspect) {
displayWidth = _viewportSize.width;
displayHeight = _viewportSize.width / imageAspect;
} else {
displayHeight = _viewportSize.height;
displayWidth = _viewportSize.height * imageAspect;
}
final minDisplayDim = math.min(displayWidth, displayHeight);
_scale = widget.initialScale ?? (_cropSize / minDisplayDim);
if (_scale < 1.0 && widget.initialScale == null) _scale = 1.0;
if (widget.initialOffset != null) {
_offset = widget.initialOffset!;
}
}
void _onScaleStart(ScaleStartDetails details) {
_baseScale = _scale;
_startFocalPoint = details.focalPoint;
_startOffset = _offset;
}
void _onScaleUpdate(ScaleUpdateDetails details) {
setState(() {
_scale = (_baseScale * details.scale).clamp(0.8, 8.0);
final delta = details.focalPoint - _startFocalPoint;
_offset = _startOffset + delta;
});
}
Future<void> _onCropConfirm() async {
setState(() => _isLoading = true);
try {
final cropRect = _calculateCropRect();
// On calcule le centre relatif basé sur le centrage utilisateur
final targetCenterX = cropRect.x + cropRect.width / 2;
final targetCenterY = cropRect.y + cropRect.height / 2;
if (!mounted) return;
Navigator.pushReplacement(
context,
MaterialPageRoute(
builder: (_) => AnalysisScreen(
imagePath: widget.imagePath,
targetType: widget.targetType,
targetCenter: Offset(targetCenterX, targetCenterY),
cropScale: _scale,
cropOffset: _offset,
),
),
);
} catch (e) {
if (mounted) {
setState(() => _isLoading = false);
ScaffoldMessenger.of(context).showSnackBar(
SnackBar(content: Text('Erreur: $e'), backgroundColor: AppTheme.errorColor),
);
}
}
}
CropRect _calculateCropRect() {
if (_imageSize == null) return const CropRect(x: 0, y: 0, width: 1, height: 1);
final imageAspect = _imageSize!.width / _imageSize!.height;
final viewportAspect = _viewportSize.width / _viewportSize.height;
double displayWidth, displayHeight;
if (imageAspect > viewportAspect) {
displayWidth = _viewportSize.width;
displayHeight = _viewportSize.width / imageAspect;
} else {
displayHeight = _viewportSize.height;
displayWidth = _viewportSize.height * imageAspect;
}
final scaledWidth = displayWidth * _scale;
final scaledHeight = displayHeight * _scale;
final imageCenterX = _viewportSize.width / 2 + _offset.dx;
final imageCenterY = _viewportSize.height / 2 + _offset.dy;
final imageLeft = imageCenterX - scaledWidth / 2;
final imageTop = imageCenterY - scaledHeight / 2;
final cropLeft = (_viewportSize.width - _cropSize) / 2;
final cropTop = (_viewportSize.height - _cropSize) / 2;
final relCropLeft = (cropLeft - imageLeft) / scaledWidth;
final relCropTop = (cropTop - imageTop) / scaledHeight;
final relCropWidth = _cropSize / scaledWidth;
final relCropHeight = _cropSize / scaledHeight;
return CropRect(
x: relCropLeft,
y: relCropTop,
width: relCropWidth,
height: relCropHeight,
);
}
}