31 lines
1,003 B
Dart
31 lines
1,003 B
Dart
import 'package:flutter/material.dart';
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class HighlightDecoration extends Decoration {
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final Color color;
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const HighlightDecoration({required this.color});
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@override
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BoxPainter createBoxPainter([VoidCallback? onChanged]) {
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return _HighlightDecorationPainter(this, onChanged);
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}
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}
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class _HighlightDecorationPainter extends BoxPainter {
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final HighlightDecoration decoration;
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const _HighlightDecorationPainter(this.decoration, VoidCallback? onChanged) : super(onChanged);
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@override
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void paint(Canvas canvas, Offset offset, ImageConfiguration configuration) {
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final size = configuration.size;
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if (size == null) return;
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final confHeight = size.height;
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final paintHeight = confHeight * .32;
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final rect = Rect.fromLTWH(offset.dx, offset.dy + size.height * .58, size.width, paintHeight);
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final rrect = RRect.fromRectAndRadius(rect, Radius.circular(paintHeight));
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final paint = Paint()..color = decoration.color;
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canvas.drawRRect(rrect, paint);
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}
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}
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