首次提交：本地项目同步到Gitea

LibShapes/Core/Shape/ShapeText.cs

@@ -0,0 +1,171 @@
+using Newtonsoft.Json;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Drawing;
+using System.Drawing.Drawing2D;
+using System.Linq;
+using System.Text;
+
+namespace Io.Github.Kerwinxu.LibShapes.Core.Shape
+{
+    // todo 这个以后支持拉伸。
+
+    /// <summary>
+    /// 文本
+    /// </summary>
+    public class ShapeText : ShapeVar
+    {
+        #region 文本的属性
+        [DescriptionAttribute("前缀"), DisplayName("前缀"), CategoryAttribute("文本")]
+        public string Piefix { get; set; }
+
+
+        [DescriptionAttribute("后缀"), DisplayName("后缀"), CategoryAttribute("文本")]
+        public string Suffix { get; set; }
+        #endregion
+
+        #region 字体方面的属性
+
+        [DescriptionAttribute("字体"), DisplayName("字体"), CategoryAttribute("字体")]
+        public Font Font { get; set; }
+
+        [DescriptionAttribute("水平对齐方式"), DisplayName("水平对齐方式"), CategoryAttribute("字体")]
+        public StringAlignment Alignment { get; set; }
+
+        [DescriptionAttribute("垂直对齐方式"), DisplayName("垂直对齐方式"), CategoryAttribute("字体")]
+        public StringAlignment LineAlignment { get; set; }
+
+        #endregion
+
+        public ShapeText() : base()
+        {
+            // 设置摩尔默认的字体。
+            Font = new Font("Arial", 8);
+            Piefix = "前缀";
+            StaticText = "文本";
+            Suffix = "后缀";
+            PenWidth = 0;
+            IsFill = true;
+            FillColor = Color.Black;
+        }
+
+
+        public override ShapeEle DeepClone()
+        {
+            // 这里用json的方式
+            string json = JsonConvert.SerializeObject(this);
+            return JsonConvert.DeserializeObject<ShapeText>(json);
+            //throw new NotImplementedException();
+        }
+
+        public override  string getText()
+        {
+            return Piefix + (string.IsNullOrEmpty(this.VarName) ? StaticText : this.VarValue) + Suffix;
+        }
+
+        public override bool isVisible(Matrix matrix, PointF mousePointF)
+        {
+            // todo 这个是判断文本框的内部。
+            return base.isVisible(matrix, mousePointF);
+        }
+
+        public override bool isOutlineVisible(Matrix matrix, PointF mousePointF)
+        {
+            // 这个会
+            return base.isOutlineVisible(matrix, mousePointF) || isVisible(matrix, mousePointF);
+        }
+
+        public override GraphicsPath GetGraphicsPathWithAngle()
+        {
+            GraphicsPath path = new GraphicsPath();
+            var rect = new RectangleF()
+            {
+                X = getX(),
+                Y = getY(),
+                Width = getWidth(),
+                Height = getWidth(),
+            };
+            path.AddString(
+                getText(),
+                Font.FontFamily,
+                (int)Font.Style,
+                Font.Size,
+                rect,
+                new StringFormat() { Alignment=Alignment, LineAlignment=LineAlignment}
+                );
+            
+            return path;
+            //throw new NotImplementedException();
+        }
+
+        public override bool isBeContains(Matrix matrix, RectangleF rect)
+        {
+            // 这个要判断是否整个文本内容是否在这个矩形内，而不是单独的看这个文本的框。
+            // 这里要判断是否有文字，有时候没有文字，就按照基类的吧
+            RectangleF rect2; 
+            if(getText() != string.Empty)
+            {
+                // 如果有文字，返回文字的范围
+                rect2 = GetTrueBounds(matrix);
+            }
+            else
+            {
+                // 如果没有文字，就选择外边边框的范围
+                rect2 = GetBounds(matrix);
+            }
+            
+            return rect.Contains(rect2);
+            //return base.isBeContains(matrix, rect);
+        }
+
+        /// <summary>
+        /// 这个返回的是矩形边框
+        /// </summary>
+        /// <param name="matrix"></param>
+        /// <returns></returns>
+        public override RectangleF GetBounds(Matrix matrix)
+        {
+            // 这里不用这个文本图形的GetGraphicsPathWithAngle，而是调用矩形的。
+            GraphicsPath path = base.GetGraphicsPathWithAngle();
+            // 这里加上旋转
+            Matrix matrix1 = new Matrix();
+            // 这里按照中心点旋转,
+            var rect = path.GetBounds();
+            var centerPoint = new PointF() { X = rect.X + rect.Width / 2, Y = rect.Y + rect.Height / 2 };
+            matrix1.RotateAt(Angle, centerPoint);
+            Matrix matrix2 = matrix.Clone();
+            matrix2.Multiply(matrix1);
+            // 应用这个转换
+            path.Transform(matrix2);
+            // 返回这个矩形
+            return path.GetBounds();
+            //return base.GetBounds(matrix);
+        }
+
+        /// <summary>
+        /// 返回的是实际文字的边框
+        /// </summary>
+        /// <param name="matrix"></param>
+        /// <returns></returns>
+        public RectangleF GetTrueBounds(Matrix matrix)
+        {
+            
+            GraphicsPath path = GetGraphicsPathWithAngle();
+            // 这里加上旋转
+            Matrix matrix1 = new Matrix();
+            // 这里按照中心点旋转,
+            var rect = path.GetBounds();
+            // 我这里做一个判断，如果这里上边的全是0，那么就手动计算宽度和高度吧
+            var centerPoint = new PointF() { X = rect.X + rect.Width / 2, Y = rect.Y + rect.Height / 2 };
+            matrix1.RotateAt(Angle, centerPoint);
+            Matrix matrix2 = matrix.Clone();
+            matrix2.Multiply(matrix1);
+            // 应用这个转换
+            path.Transform(matrix2);
+            // 返回这个路径
+            return path.GetBounds();
+            //return base.GetBounds(matrix);
+        }
+    }
+}