首次提交：本地项目同步到Gitea

LibShapes/Core/Shape/ShapeGroup.cs

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+using System;
+using System.Collections.Generic;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Linq;
+using System.Text;
+
+namespace Io.Github.Kerwinxu.LibShapes.Core.Shape
+{
+    public class ShapeGroup : ShapeMulti
+    {
+        /// <summary>
+        ///  这个重新是因为这个要真正的绘制，而ShapeMultiSelect不需要，ShapeMultiSelect里保存的只是多个形状的引用。
+        /// </summary>
+        /// <param name="g"></param>
+        /// <param name="matrix"></param>
+        public override void Draw(Graphics g, Matrix matrix)
+        {
+            // 这里首先要注意的是这个可以旋转的
+            Matrix matrix1 = matrix.Clone();
+            var rect = GetGraphicsPathWithAngle().GetBounds();
+            var centerPoint = new PointF() {
+                X = rect.X + rect.Width / 2,
+                Y = rect.Y + rect.Height / 2
+            };
+            matrix1.RotateAt(Angle, centerPoint);
+
+            foreach (var item in shapes)
+            {
+                item.Draw(g, matrix1);
+            }
+        }
+
+
+
+        /// <summary>
+        /// 这个其实是取得了含有角度的。
+        /// </summary>
+        /// <returns></returns>
+        public override GraphicsPath GetGraphicsPathWithAngle()
+        {
+            // 这个不需要返回什么。
+            return  null; 
+
+        }
+
+        public override ShapeEle DeepClone()
+        {
+            // 首先组建一个新的
+            ShapeGroup group = new ShapeGroup();
+            if (shapes != null)
+            {
+                foreach (var item in shapes)
+                {
+                    group.shapes.Add(item.DeepClone());
+                }
+            }
+
+
+            return group;
+            //throw new NotImplementedException();
+        }
+
+        public override bool Equals(object obj)
+        {
+            var shape = obj as ShapeGroup;
+            if (shape == null) return false; // 转换失败就是不同啦
+            // 群组，需要判断每一个是否相同。
+            if (shapes.Count != shape.shapes.Count) return false;
+            for (int i = 0; i < shapes.Count; i++)
+            {
+                if (shapes[i] != shape.shapes[i])
+                {
+                    return false;
+                }
+            }
+            return true;
+            //return base.Equals(obj);
+        }
+
+        public override int GetHashCode()
+        {
+            return this.ID;
+            return base.GetHashCode();
+        }
+    }
+}