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