From 97a0edb982b2e4035f7386cdbc46d52a993e26e7 Mon Sep 17 00:00:00 2001
From: toly <1981462002@qq.com>
Date: Sun, 7 May 2023 08:09:01 +0800
Subject: [PATCH] =?UTF-8?q?=E7=AE=80=E5=8D=95=E7=BB=98=E5=88=B6?=
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---
 lib/paper/paper.dart | 73 +++++++++++++++++++++++++++++++++-----------
 1 file changed, 55 insertions(+), 18 deletions(-)

diff --git a/lib/paper/paper.dart b/lib/paper/paper.dart
index 866fc7b..768977b 100644
--- a/lib/paper/paper.dart
+++ b/lib/paper/paper.dart
@@ -1,8 +1,8 @@
+import 'dart:math';
 import 'dart:ui';
 
 import 'package:flutter/material.dart';
 
-
 import 'paper_app_bar.dart';
 
 class Paper extends StatefulWidget {
@@ -16,7 +16,9 @@ class _PaperState extends State<Paper> {
   @override
   Widget build(BuildContext context) {
     return Scaffold(
-      appBar: PaperAppBar(onClear: _clear,),
+      appBar: PaperAppBar(
+        onClear: _clear,
+      ),
       body: CustomPaint(
         painter: PaperPainter(),
         child: ConstrainedBox(constraints: const BoxConstraints.expand()),
@@ -24,28 +26,63 @@ class _PaperState extends State<Paper> {
     );
   }
 
-  void _clear() {
-
-  }
+  void _clear() {}
 }
 
-class PaperPainter extends CustomPainter{
-
+class PaperPainter extends CustomPainter {
   @override
   void paint(Canvas canvas, Size size) {
-    List<Offset> points = const [
-      Offset(100,100),
-      Offset(100,150),
-      Offset(150,150),
-      Offset(200,100),
-    ];
-
+    // List<Offset> points = const [
+    //   Offset(100,100),
+    //   Offset(100,150),
+    //   Offset(150,150),
+    //   Offset(200,100),
+    // ];
+    //
+    // paint.strokeWidth = 10;
+    //
+    // paint.strokeCap = StrokeCap.round;
+    //
+    //
+    // canvas.drawPoints(PointMode.polygon, points , paint);
+    // canvas.translate(0, 150);
     Paint paint = Paint();
-    paint.strokeWidth = 10;
-    canvas.drawPoints(PointMode.polygon, points , paint);
+
+    canvas.drawCircle(Offset(100, 100), 50, paint);
+    paint.style = PaintingStyle.stroke;
+    canvas.drawCircle(Offset(250, 100), 50, paint);
+    canvas.translate(0, 150);
+
+    paint.strokeWidth = 2;
+    Rect rect = Rect.fromCenter(center: Offset(100, 100), width: 100, height: 80);
+    canvas.drawRect(rect, paint);
+    paint.style = PaintingStyle.fill;
+    RRect rrect = RRect.fromRectXY(rect.translate(150, 0), 8, 8);
+    canvas.drawRRect(rrect, paint);
+
+    canvas.translate(0, 150);
+    paint.strokeWidth = 2;
+    Rect overRect = Rect.fromCenter(center: Offset(100, 100), width: 100, height: 80);
+    canvas.drawOval(overRect, paint);
+    paint.style = PaintingStyle.stroke;
+    canvas.drawArc(overRect.translate(150, 0), 0, pi*1.3,true,paint);
+    // RRect rrect = RRect.fromRectXY(rect.translate(150, 0), 8, 8);
+    // canvas.drawRRect(rrect, paint);
+
+
+    // paint.style = PaintingStyle.stroke;
+    // canvas.drawCircle(Offset(250, 100), 50, paint);
+
+    // paint.color = Colors.red;
+    // paint.style = PaintingStyle.stroke;
+    // paint.strokeJoin = StrokeJoin.round;
+    // canvas.drawPoints(PointMode.polygon, points , paint);
+    // canvas.translate(0, 150);
+    //
+    // paint.color = Colors.blue;
+    // canvas.drawPoints(PointMode.polygon, points , paint);
   }
 
   @override
   bool shouldRepaint(covariant CustomPainter oldDelegate) => true;
-
-}
\ No newline at end of file
+}