TK
38 lines
823 B
Dart
38 lines
823 B
Dart
import 'dart:math';
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import 'package:flutter/material.dart';
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///
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/// desc:
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///
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class CirclePainter extends CustomPainter {
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final double progress;
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final double strokeWidth;
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final Color color;
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Paint _paint = Paint();
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CirclePainter(
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{this.progress = 0.0, this.strokeWidth = 1.0, this.color = Colors.white});
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@override
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void paint(Canvas canvas, Size size) {
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_paint
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..style = PaintingStyle.stroke
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..strokeWidth = strokeWidth
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..color = color;
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double radius = min(size.width, size.height) / 2;
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canvas.drawCircle(
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Offset(size.width / 2, size.height / 2), radius * progress, _paint);
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}
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@override
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bool shouldRepaint(covariant CirclePainter old) {
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return progress != old.progress ||
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strokeWidth != old.strokeWidth ||
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color != old.color;
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}
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}
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