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@@ -0,0 +1,59 @@
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+import 'package:flutter/material.dart';
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+import 'package:flutter/rendering.dart';
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+
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+class TrapezoidBox extends MultiChildRenderObjectWidget {
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+ TrapezoidBox({
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+ Key? key,
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+ required List<Widget> children,
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+ }) : super(key: key, children: children);
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+
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+ @override
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+ RenderObject createRenderObject(BuildContext context) {
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+ return _RenderTrapezoidBox();
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+ }
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+}
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+
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+class TrapezoidParentData extends ContainerBoxParentData<RenderBox> {
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+ Offset a = Offset.zero;
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+ Offset b = Offset.zero;
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+ Offset c = Offset.zero;
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+ Offset d = Offset.zero;
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+}
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+
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+class _RenderTrapezoidBox extends RenderBox
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+ with
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+ ContainerRenderObjectMixin<RenderBox, TrapezoidParentData>,
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+ RenderBoxContainerDefaultsMixin<RenderBox, TrapezoidParentData> {
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+ @override
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+ void setupParentData(covariant RenderObject child) {
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+ if (child.parentData is! TrapezoidParentData) {
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+ child.parentData = TrapezoidParentData();
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+ }
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+ }
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+
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+ @override
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+ void performLayout() {
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+
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+ }
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+
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+ @override
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+ void paint(PaintingContext context, Offset offset) {
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+ for (var child in getChildrenAsList()) {
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+ _paintChild(context, offset, child);
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+ }
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+ }
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+
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+ void _paintChild(PaintingContext context, Offset offset, RenderBox child) {
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+ TrapezoidParentData parentData = child.parentData as TrapezoidParentData;
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+
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+ context.canvas.save();
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+ Path path = Path();
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+ path.moveTo(parentData.a.dx, parentData.a.dy);
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+ path.lineTo(parentData.b.dx, parentData.b.dy);
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+ path.lineTo(parentData.c.dx, parentData.c.dy);
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+ path.lineTo(parentData.d.dx, parentData.d.dy);
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+ path.close();
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+ context.canvas.clipPath(path);
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+ context.canvas.restore();
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+ }
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+}
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