books

assets/draw/p09/s01.dart

@@ -0,0 +1,60 @@
+
+import 'package:flutter/material.dart';
+
+
+
+
+/// create by 张风捷特烈 on 2020-03-19
+/// contact me by email 1981462002@qq.com
+/// 说明: 纸
+
+class Paper extends StatelessWidget {
+  const Paper({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return Row(
+      children: [
+        Expanded(
+          child: CustomPaint(
+            // painter: BgPainter(), // 背景
+            foregroundPainter: BgPainter(Colors.blue.withOpacity(0.9)), // 前景
+            child:
+            Text(
+              "张风捷特烈",
+              style: TextStyle(color: Colors.black, fontSize: 20),
+            ),
+          ),
+        ),
+        Expanded(
+          child: CustomPaint(
+            painter: BgPainter(Colors.red), // 背景
+            // foregroundPainter: BgPainter(), // 前景
+            child:
+            Text(
+              "张风捷特烈",
+              style: TextStyle(color: Colors.white, fontSize: 20),
+            ),
+          ),
+        ),
+      ],
+    );
+  }
+}
+
+class BgPainter extends CustomPainter {
+  final Color color;
+
+  BgPainter(this.color);
+
+  @override
+  void paint(Canvas canvas, Size size) {
+    canvas.clipRect(Offset.zero&size);
+    canvas.drawPaint(Paint()..color = color);
+  }
+
+  @override
+  bool shouldRepaint(covariant CustomPainter oldDelegate) {
+    return false;
+  }
+}