785c6d3c31
- Add MIT license - Add dartdoc to all public APIs (UxKeyboard, BendBox, Bezier, Json) - Add analysis_options.yaml with flutter_lints and public_member_api_docs - Add repository, issue_tracker, topics to pubspec.yaml - Expand package description - Fix BendBox constructor (const, super.key) - Remove unused import in keyboard.dart - Replace boilerplate tests with UxKeyboard smoke tests - Move ux dependency to example's dependencies (not dev_dependencies)
54 lines
1.5 KiB
Dart
54 lines
1.5 KiB
Dart
import 'package:flutter/material.dart';
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/// A widget that paints a filled shape with curved (bent) edges.
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///
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/// Each edge bends inward by the amount specified in [inward].
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class BendBox extends StatelessWidget {
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/// How far each edge bends inward. Positive values bend toward the center.
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final EdgeInsets inward;
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/// The fill color of the shape.
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final Color color;
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/// Creates a [BendBox] with the given [inward] bend and [color].
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const BendBox({super.key, this.inward = const EdgeInsets.all(0), this.color = Colors.red});
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@override
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Widget build(BuildContext context) {
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return CustomPaint(painter: _BendBoxPainter(inward: inward, color: color));
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}
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}
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class _BendBoxPainter extends CustomPainter {
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final EdgeInsets inward;
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final Color color;
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_BendBoxPainter({
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required this.inward,
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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 paint = Paint()
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..style = PaintingStyle.fill
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..isAntiAlias = true
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..color = color;
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final path = Path()
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..moveTo(0, 0)
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..quadraticBezierTo(size.width / 2, inward.top, size.width, 0)
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..quadraticBezierTo(
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size.width - inward.left, size.height / 2, size.width, size.height)
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..quadraticBezierTo(
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size.width / 2, size.height - inward.bottom, 0, size.height)
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..quadraticBezierTo(inward.left, size.height / 2, 0, 0)
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..close();
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canvas.drawPath(path, paint);
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}
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@override
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bool shouldRepaint(CustomPainter oldDelegate) => true;
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}
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