43 lines
1.2 KiB
Dart
43 lines
1.2 KiB
Dart
import 'package:flutter/material.dart';
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class CompassPainter extends CustomPainter {
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final Color color;
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const CompassPainter({
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required this.color,
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});
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@override
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void paint(Canvas canvas, Size size) {
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final center = Offset(size.width / 2, size.height / 2);
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final base = size.width * .3;
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final height = size.height * .4;
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final northTriangle = Path()
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..moveTo(center.dx - base / 2, center.dy)
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..lineTo(center.dx, center.dy - height)
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..lineTo(center.dx + base / 2, center.dy)
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..close();
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final southTriangle = Path()
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..moveTo(center.dx - base / 2, center.dy)
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..lineTo(center.dx + base / 2, center.dy)
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..lineTo(center.dx, center.dy + height)
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..close();
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final fillPaint = Paint()
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..style = PaintingStyle.fill
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..color = color.withAlpha((255.0 * .6).round());
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final strokePaint = Paint()
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..style = PaintingStyle.stroke
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..color = color
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..strokeWidth = 1.7
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..strokeJoin = StrokeJoin.round;
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canvas.drawPath(northTriangle, fillPaint);
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canvas.drawPath(northTriangle, strokePaint);
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canvas.drawPath(southTriangle, strokePaint);
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}
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@override
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bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
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}
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