61 lines
1.7 KiB
Dart
61 lines
1.7 KiB
Dart
import 'package:flutter/material.dart';
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import 'dart:math' as math;
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/// Widget pour créer un fond dégradé avec des petits points blancs
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/// Utilisé pour les pages d'administration
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class AdminBackground extends StatelessWidget {
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final Widget child;
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const AdminBackground({
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Key? key,
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required this.child,
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}) : super(key: key);
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@override
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Widget build(BuildContext context) {
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return Stack(
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children: [
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// Fond dégradé avec petits points blancs
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Container(
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decoration: BoxDecoration(
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gradient: LinearGradient(
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begin: Alignment.topCenter,
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end: Alignment.bottomCenter,
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colors: [Colors.white, Colors.red.shade300],
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),
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),
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child: CustomPaint(
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painter: DotsPainter(),
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child: Container(width: double.infinity, height: double.infinity),
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),
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),
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// Contenu de la page
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child,
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],
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);
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}
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}
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/// Class pour dessiner les petits points blancs sur le fond
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class DotsPainter extends CustomPainter {
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@override
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void paint(Canvas canvas, Size size) {
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final paint = Paint()
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..color = Colors.white.withOpacity(0.5)
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..style = PaintingStyle.fill;
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final random = math.Random(42); // Seed fixe pour consistance
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final numberOfDots = (size.width * size.height) ~/ 1500;
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for (int i = 0; i < numberOfDots; i++) {
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final x = random.nextDouble() * size.width;
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final y = random.nextDouble() * size.height;
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final radius = 1.0 + random.nextDouble() * 2.0;
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canvas.drawCircle(Offset(x, y), radius, paint);
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}
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}
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@override
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bool shouldRepaint(covariant CustomPainter oldDelegate) => false;
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}
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