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26 lines
835 B
26 lines
835 B
import 'package:flutter/cupertino.dart'; |
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import 'package:flutter_screenutil/flutter_screenutil.dart'; |
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class FarmersTab extends Decoration { |
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@override |
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BoxPainter createBoxPainter([VoidCallback onChanged]) { |
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return _CustomBoxPainter(); |
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} |
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} |
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class _CustomBoxPainter extends BoxPainter { |
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@override |
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void paint(Canvas canvas, Offset offset, ImageConfiguration configuration) { |
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///每个Tab的宽高 |
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Size tabSize = Size(32.w, 32.w); |
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final Offset tabOffset = Offset(offset.dx+((configuration.size.width-32.w)/2),offset.dy); |
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final Rect rect = tabOffset & tabSize; |
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final Paint paint = Paint(); |
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paint.color = Color(0xFFFFFFFF); |
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paint.style = PaintingStyle.stroke; |
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paint.strokeCap = StrokeCap.round; |
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paint.strokeWidth = 3; |
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///画Tab矩形 |
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canvas.drawArc(rect, 1, 1.2, false, paint); |
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} |
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} |