首次提交：本地项目同步到Gitea

LibShapes/Core/State/StateSelected.cs

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+using Io.Github.Kerwinxu.LibShapes.Utils;
+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.State
+{
+
+    
+    public class StateSelected:State
+    {
+        public StateSelected(UserControlCanvas canvas, PointF start_pointF) : base(canvas, start_pointF)
+        {
+
+        }
+        public StateSelected(UserControlCanvas canvas) : base(canvas)
+        {
+
+        }
+
+        public override void LeftMouseDown(PointF pointF)
+        {
+            // 首先判断一下是否在这个选择矩形的范围内
+            // 在的话就是更改模式了，比如更改尺寸和移动。我这个在选择框上是更改尺寸，而在内部是移动
+            // 如果不在，就转成待机模式
+            // 1. 这里判断一下是否在矩形框的范围内
+            GraphicsPath path = new GraphicsPath();
+            // 这里要判断一下是否是ShapeMultiSelect
+            if (this.canvas.SelectShape is Shape.ShapeMultiSelect)
+            {
+                // 那么最简单的方式是取消所有的选择，然后运行待机模式的选择
+                this.canvas.changeSelect(null);
+                this.canvas.state = new StateStandby(this.canvas);
+                this.canvas.state.LeftMouseDown(pointF);
+            }
+            else
+            {
+                // 如果选择的图形是其他类型
+                // 看看是否被选择了吧。
+                var rect = this.canvas.SelectShape.GetBounds(this.canvas.shapes.GetMatrix());
+                // 放大范围，
+                // 这里根据宽度和高度的情况酌情放大范围
+                float select_tolerance = 1;
+                if (rect.Width < 4 || rect.Height < 4) select_tolerance = Math.Min(rect.Height, rect.Width) / 4;
+
+                rect.X -= select_tolerance;
+                rect.Y -= select_tolerance;
+                rect.Width += select_tolerance * 2;
+                rect.Height += select_tolerance * 2;
+                path.AddRectangle(rect);
+                // 判断是否
+                if (path.IsVisible(pointF))
+                {
+                    this.canvas.state = new StateChanging(this.canvas, pointF);
+                    this.canvas.state.LeftMouseDown(pointF);
+                }
+                else
+                {
+                    // 转成待机模式
+                    this.canvas.changeSelect(null);
+                    this.canvas.state = new StateStandby(this.canvas);
+                    this.canvas.state.LeftMouseDown(pointF);
+                }
+            }
+
+
+            //base.LeftMouseDown(pointF);
+        }
+    }
+}