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@@ -1,10 +1,12 @@
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-using Microsoft.Win32;
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+using ComPDFKit.PDFAnnotation;
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+using Microsoft.Win32;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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+using System.Windows;
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using System.Windows.Media;
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namespace compdfkit_tools.Helper
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@@ -73,5 +75,618 @@ namespace compdfkit_tools.Helper
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}
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return selectedFilePath;
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}
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+
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+ public class ArrowHelper
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+ {
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+ /// <summary>
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+ /// 是否有开始箭头
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+ /// </summary>
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+ public bool HasStartArrow
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+ {
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+ get
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+ {
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+ if (StartSharp != C_LINE_TYPE.LINETYPE_UNKNOWN && StartSharp != C_LINE_TYPE.LINETYPE_NONE)
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+ {
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+ return true;
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+ }
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+ return false;
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+ }
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+ }
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+ /// <summary>
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+ /// 开始箭头是否封闭
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+ /// </summary>
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+ public bool IsStartClosed
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+ {
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+ get
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+ {
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+ if (StartSharp == C_LINE_TYPE.LINETYPE_CLOSEDARROW || StartSharp == C_LINE_TYPE.LINETYPE_RCLOSEDARROW || StartSharp == C_LINE_TYPE.LINETYPE_DIAMOND)
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+ {
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+ return true;
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+ }
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+ return false;
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+ }
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+ }
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+ /// <summary>
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+ /// 是否有结束箭头
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+ /// </summary>
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+ public bool HasEndArrow
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+ {
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+ get
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+ {
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+ if (EndSharp != C_LINE_TYPE.LINETYPE_UNKNOWN && EndSharp != C_LINE_TYPE.LINETYPE_NONE)
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+ {
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+ return true;
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+ }
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+ return false;
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+ }
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+ }
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+ /// <summary>
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+ /// 结束箭头是否封闭
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+ /// </summary>
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+ public bool IsEndClosed
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+ {
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+ get
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+ {
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+ if (EndSharp == C_LINE_TYPE.LINETYPE_CLOSEDARROW || EndSharp == C_LINE_TYPE.LINETYPE_RCLOSEDARROW || EndSharp == C_LINE_TYPE.LINETYPE_DIAMOND)
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+ {
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+ return true;
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+ }
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+ return false;
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+ }
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+ }
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+ /// <summary>
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+ /// 箭头角度
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+ /// </summary>
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+ public uint ArrowAngle { get; set; }
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+ /// <summary>
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+ /// 箭头长度
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+ /// </summary>
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+ public uint ArrowLength { get; set; }
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+ /// <summary>
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+ /// 起始点
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+ /// </summary>
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+ public Point? LineStart { get; set; }
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+ /// <summary>
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+ /// 结束点
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+ /// </summary>
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+ public Point? LineEnd { get; set; }
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+ /// <summary>
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+ /// 线段路径
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+ /// </summary>
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+ public PathGeometry Body { get; set; }
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+ /// <summary>
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+ /// 开始箭头形状
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+ /// </summary>
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+ public C_LINE_TYPE StartSharp { get; set; }
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+ /// <summary>
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+ /// 结束箭头形状
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+ /// </summary>
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+ public C_LINE_TYPE EndSharp { get; set; }
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+ /// <summary>
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+ /// 箭头帮助类
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+ /// </summary>
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+ public ArrowHelper()
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+ {
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+ Body = new PathGeometry();
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+ ArrowLength = 12;
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+ ArrowAngle = 60;
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+ }
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+ protected PathFigure CreateLineBody()
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+ {
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+ if (LineStart != null && LineEnd != null)
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+ {
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+ PathFigure lineFigure = new PathFigure();
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+ // lineFigure.IsClosed = true;
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+ lineFigure.StartPoint = (Point)LineStart;
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+ LineSegment linePath = new LineSegment();
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+ linePath.Point = (Point)LineEnd;
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+ //linePath.IsSmoothJoin = true;
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+ //linePath.IsStroked = true;
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+ lineFigure.Segments.Add(linePath);
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+ return lineFigure;
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+ }
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+ return null;
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+ }
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+ protected PathFigure CreateStartArrow()
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+ {
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+ switch (StartSharp)
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+ {
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+ case C_LINE_TYPE.LINETYPE_NONE:
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+ case C_LINE_TYPE.LINETYPE_UNKNOWN:
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+ break;
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+ case C_LINE_TYPE.LINETYPE_ARROW:
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+ case C_LINE_TYPE.LINETYPE_CLOSEDARROW:
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+ return CreateStartOpenArrow();
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+ case C_LINE_TYPE.LINETYPE_ROPENARROW:
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+ case C_LINE_TYPE.LINETYPE_RCLOSEDARROW:
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+ return CreateStartReverseArrow();
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+ case C_LINE_TYPE.LINETYPE_BUTT:
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+ return CreateStartButtArrow();
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+ case C_LINE_TYPE.LINETYPE_DIAMOND:
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+ return CreateStartDiamondArrow();
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+ case C_LINE_TYPE.LINETYPE_CIRCLE:
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+ return CreateStartRoundArrow();
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+ case C_LINE_TYPE.LINETYPE_SQUARE:
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+ return CreateStartSquareArrow();
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+ case C_LINE_TYPE.LINETYPE_SLASH:
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+ return CreateStartSlashArrow();
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+ default:
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+ break;
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+ }
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+ return null;
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+ }
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+ protected virtual PathFigure CreateEndArrow()
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+ {
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+ switch (EndSharp)
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+ {
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+ case C_LINE_TYPE.LINETYPE_NONE:
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+ case C_LINE_TYPE.LINETYPE_UNKNOWN:
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+ break;
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+ case C_LINE_TYPE.LINETYPE_ARROW:
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+ case C_LINE_TYPE.LINETYPE_CLOSEDARROW:
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+ return CreateEndOpenArrow();
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+ case C_LINE_TYPE.LINETYPE_ROPENARROW:
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+ case C_LINE_TYPE.LINETYPE_RCLOSEDARROW:
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+ return CreateEndReverseArrow();
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+ case C_LINE_TYPE.LINETYPE_BUTT:
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+ return CreateEndButtArrow();
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+ case C_LINE_TYPE.LINETYPE_DIAMOND:
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+ return CreateEndDiamondArrow();
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+ case C_LINE_TYPE.LINETYPE_CIRCLE:
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+ return CreateEndRoundArrow();
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+ case C_LINE_TYPE.LINETYPE_SQUARE:
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+ return CreateEndSquareArrow();
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+ case C_LINE_TYPE.LINETYPE_SLASH:
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+ return CreateEndSlashArrow();
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+ default:
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+ break;
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+ }
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+ return null;
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+ }
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+ /// <summary>
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+ /// 创建箭头路径
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+ /// </summary>
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+ /// <returns></returns>
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+ public PathGeometry BuildArrowBody()
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+ {
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+ Body.Figures.Clear();
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+ PathFigure lineBody = CreateLineBody();
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+ if (lineBody != null)
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+ {
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+ Body.Figures.Add(lineBody);
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+ PathFigure arrowFigure = CreateStartArrow();
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+ if (arrowFigure != null)
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+ {
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+ Body.Figures.Add(arrowFigure);
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+ }
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+ arrowFigure = CreateEndArrow();
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+ if (arrowFigure != null)
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+ {
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+ Body.Figures.Add(arrowFigure);
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+ }
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+ }
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+ return Body;
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+ }
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+
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+ /// <summary>
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+ /// 绘制开始箭头
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+ /// </summary>
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+ /// <returns></returns>
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+ private PathFigure CreateStartOpenArrow()
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+ {
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+ if (ArrowLength == 0 || !HasStartArrow || LineStart == null || LineEnd == null || ArrowAngle == 0)
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+ {
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+ return null;
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+ }
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+ PathFigure arrowFigure = new PathFigure();
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+ PolyLineSegment arrowSegment = new PolyLineSegment();
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+ Vector lineVector = (Point)LineEnd - (Point)LineStart;
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+ lineVector.Normalize();
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+ lineVector *= ArrowLength;
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+ Matrix rotateMatrix = new Matrix();
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+ rotateMatrix.Rotate(ArrowAngle / 2);
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+ arrowFigure.StartPoint = (Point)LineStart + (lineVector * rotateMatrix);
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+ arrowSegment.Points.Add((Point)LineStart);
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+ rotateMatrix.Rotate(-ArrowAngle);
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+ arrowSegment.Points.Add((Point)LineStart + (lineVector * rotateMatrix));
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+ arrowFigure.Segments.Add(arrowSegment);
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+ arrowFigure.IsClosed = IsStartClosed;
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+ arrowFigure.IsFilled = IsStartClosed;
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+ return arrowFigure;
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+ }
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+ /// <summary>
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+ /// 绘制结束箭头
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+ /// </summary>
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+ /// <returns></returns>
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+ private PathFigure CreateEndOpenArrow()
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+ {
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+ if (ArrowLength == 0 || !HasEndArrow || LineStart == null || LineEnd == null || ArrowAngle == 0)
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+ {
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+ return null;
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+ }
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+ PathFigure arrowFigure = new PathFigure();
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+ PolyLineSegment arrowSegment = new PolyLineSegment();
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+ Vector lineVector = (Point)LineStart - (Point)LineEnd;
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+ lineVector.Normalize();
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+ lineVector *= ArrowLength;
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+ Matrix rotateMatrix = new Matrix();
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+ rotateMatrix.Rotate(ArrowAngle / 2);
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+ arrowFigure.StartPoint = (Point)LineEnd + (lineVector * rotateMatrix);
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+ arrowSegment.Points.Add((Point)LineEnd);
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+ rotateMatrix.Rotate(-ArrowAngle);
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+ arrowSegment.Points.Add((Point)LineEnd + (lineVector * rotateMatrix));
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+ arrowFigure.Segments.Add(arrowSegment);
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+ arrowFigure.IsClosed = IsEndClosed;
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+ arrowFigure.IsFilled = IsEndClosed;
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+ return arrowFigure;
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+ }
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+ /// <summary>
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+ /// 绘制开始箭头(逆向)
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+ /// </summary>
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+ /// <returns></returns>
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+ private PathFigure CreateStartReverseArrow()
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+ {
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+ if (ArrowLength == 0 || !HasStartArrow || LineStart == null || LineEnd == null || ArrowAngle == 0)
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+ {
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+ return null;
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+ }
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+ PathFigure arrowFigure = new PathFigure();
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+ PolyLineSegment arrowSegment = new PolyLineSegment();
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+ Vector lineVector = (Point)LineStart - (Point)LineEnd;
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+ lineVector.Normalize();
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+ lineVector *= ArrowLength;
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+ Matrix rotateMatrix = new Matrix();
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+ rotateMatrix.Rotate(ArrowAngle / 2);
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+ arrowFigure.StartPoint = (Point)LineStart + (lineVector * rotateMatrix);
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+ arrowSegment.Points.Add((Point)LineStart);
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+ rotateMatrix.Rotate(-ArrowAngle);
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+ arrowSegment.Points.Add((Point)LineStart + (lineVector * rotateMatrix));
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+ arrowFigure.Segments.Add(arrowSegment);
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+ arrowFigure.IsClosed = IsStartClosed;
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+ arrowFigure.IsFilled = IsStartClosed;
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+ return arrowFigure;
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+ }
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+ /// <summary>
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+ /// 绘制结束箭头(逆向)
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+ /// </summary>
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+ /// <returns></returns>
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+ private PathFigure CreateEndReverseArrow()
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+ {
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+ if (ArrowLength == 0 || !HasEndArrow || LineStart == null || LineEnd == null || ArrowAngle == 0)
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+ {
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+ return null;
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+ }
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+ PathFigure arrowFigure = new PathFigure();
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+ PolyLineSegment arrowSegment = new PolyLineSegment();
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+ Vector lineVector = (Point)LineEnd - (Point)LineStart;
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+ lineVector.Normalize();
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+ lineVector *= ArrowLength;
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+ Matrix rotateMatrix = new Matrix();
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+ rotateMatrix.Rotate(ArrowAngle / 2);
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+ arrowFigure.StartPoint = (Point)LineEnd + (lineVector * rotateMatrix);
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+ arrowSegment.Points.Add((Point)LineEnd);
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+ rotateMatrix.Rotate(-ArrowAngle);
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+ arrowSegment.Points.Add((Point)LineEnd + (lineVector * rotateMatrix));
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+ arrowFigure.Segments.Add(arrowSegment);
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+ arrowFigure.IsClosed = IsEndClosed;
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+ arrowFigure.IsFilled = IsEndClosed;
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+ return arrowFigure;
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+ }
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+
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+ /// <summary>
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+ /// 绘制开始平头
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+ /// </summary>
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+ /// <returns></returns>
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+ private PathFigure CreateStartButtArrow()
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+ {
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+ if (ArrowLength == 0 || !HasStartArrow || LineStart == null || LineEnd == null)
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+ {
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+ return null;
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+ }
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+ PathFigure arrowFigure = new PathFigure();
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+ LineSegment buttSegment = new LineSegment();
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+ Vector lineVector = (Point)LineStart - (Point)LineEnd;
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+ lineVector.Normalize();
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+ lineVector *= ArrowLength;
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+ Matrix rotateMatrix = new Matrix();
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+ rotateMatrix.Rotate(90);
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+ arrowFigure.StartPoint = (Point)LineStart + (lineVector * rotateMatrix);
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+ rotateMatrix.Rotate(-180);
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+ buttSegment.Point = ((Point)LineStart + (lineVector * rotateMatrix));
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+ arrowFigure.Segments.Add(buttSegment);
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+ return arrowFigure;
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+ }
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+ /// <summary>
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+ /// 绘制结束平头
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+ /// </summary>
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+ /// <returns></returns>
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+ private PathFigure CreateEndButtArrow()
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+ {
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+ if (ArrowLength == 0 || !HasEndArrow || LineStart == null || LineEnd == null)
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+ {
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+ return null;
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+ }
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+ PathFigure arrowFigure = new PathFigure();
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+ LineSegment buttSegment = new LineSegment();
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+ Vector lineVector = (Point)LineEnd - (Point)LineStart;
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+ lineVector.Normalize();
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+ lineVector *= ArrowLength;
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+ Matrix rotateMatrix = new Matrix();
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+ rotateMatrix.Rotate(90);
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+ arrowFigure.StartPoint = (Point)LineEnd + (lineVector * rotateMatrix);
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+ rotateMatrix.Rotate(-180);
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+ buttSegment.Point = ((Point)LineEnd + (lineVector * rotateMatrix));
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+ arrowFigure.Segments.Add(buttSegment);
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+
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+ return arrowFigure;
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+ }
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+ /// <summary>
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+ /// 绘制开始菱形
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+ /// </summary>
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+ /// <returns></returns>
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+ private PathFigure CreateStartDiamondArrow()
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+ {
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+ if (ArrowLength == 0 || !HasStartArrow || LineStart == null || LineEnd == null)
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+ {
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+ return null;
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+ }
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+ PathFigure arrowFigure = new PathFigure();
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+ PolyLineSegment arrowSegment = new PolyLineSegment();
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+ Vector lineVector = (Point)LineStart - (Point)LineEnd;
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+ lineVector.Normalize();
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+ lineVector *= ArrowLength;
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+ Matrix rotateMatrix = new Matrix();
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+ rotateMatrix.Rotate(45);
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+
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+ Point cornerTop = (Point)LineStart + (lineVector * rotateMatrix);
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+
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+ Vector turnVector = cornerTop - (Point)LineStart;
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+ turnVector.Normalize();
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+ turnVector *= ArrowLength;
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+ Matrix turnMatrix = new Matrix();
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+ turnMatrix.Rotate(-90);
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+ Point awayPoint = cornerTop + (turnVector * turnMatrix);
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+
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+ rotateMatrix = new Matrix();
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+ rotateMatrix.Rotate(-45);
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+ Point cornerDown = (Point)LineStart + (lineVector * rotateMatrix);
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+
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+ arrowFigure.StartPoint = (Point)LineStart;
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+ arrowSegment.Points.Add(cornerTop);
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+ arrowSegment.Points.Add(awayPoint);
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+ arrowSegment.Points.Add(cornerDown);
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+ arrowSegment.Points.Add((Point)LineStart);
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+
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+ arrowFigure.Segments.Add(arrowSegment);
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+ arrowFigure.IsClosed = IsStartClosed;
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+ arrowFigure.IsFilled = IsStartClosed;
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+ return arrowFigure;
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+ }
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+ /// <summary>
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+ /// 绘制结束菱形
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+ /// </summary>
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+ /// <returns></returns>
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+ private PathFigure CreateEndDiamondArrow()
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+ {
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+
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+ if (ArrowLength == 0 || !HasEndArrow || LineStart == null || LineEnd == null)
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+ {
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+ return null;
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+ }
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+ PathFigure arrowFigure = new PathFigure();
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+ PolyLineSegment arrowSegment = new PolyLineSegment();
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+ Vector lineVector = (Point)LineEnd - (Point)LineStart;
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+ lineVector.Normalize();
|
|
|
+ lineVector *= ArrowLength;
|
|
|
+ Matrix rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(45);
|
|
|
+
|
|
|
+ Point cornerTop = (Point)LineEnd + (lineVector * rotateMatrix);
|
|
|
+
|
|
|
+ Vector turnVector = cornerTop - (Point)LineEnd;
|
|
|
+ turnVector.Normalize();
|
|
|
+ turnVector *= ArrowLength;
|
|
|
+ Matrix turnMatrix = new Matrix();
|
|
|
+ turnMatrix.Rotate(-90);
|
|
|
+ Point awayPoint = cornerTop + (turnVector * turnMatrix);
|
|
|
+
|
|
|
+ rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(-45);
|
|
|
+ Point cornerDown = (Point)LineEnd + (lineVector * rotateMatrix);
|
|
|
+
|
|
|
+ arrowFigure.StartPoint = (Point)LineEnd;
|
|
|
+ arrowSegment.Points.Add(cornerTop);
|
|
|
+ arrowSegment.Points.Add(awayPoint);
|
|
|
+ arrowSegment.Points.Add(cornerDown);
|
|
|
+ arrowSegment.Points.Add((Point)LineEnd);
|
|
|
+
|
|
|
+ arrowFigure.Segments.Add(arrowSegment);
|
|
|
+ arrowFigure.IsClosed = IsEndClosed;
|
|
|
+ arrowFigure.IsFilled = IsEndClosed;
|
|
|
+ return arrowFigure;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 绘制开始圆形
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
|
|
|
+ private PathFigure CreateStartRoundArrow()
|
|
|
+ {
|
|
|
+ if (ArrowLength == 0 || !HasStartArrow || LineStart == null || LineEnd == null)
|
|
|
+ {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ PathFigure arrowFigure = new PathFigure();
|
|
|
+ Vector lineVector = (Point)LineEnd - (Point)LineStart;
|
|
|
+ lineVector.Normalize();
|
|
|
+ lineVector *= ArrowLength;
|
|
|
+
|
|
|
+ Matrix rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(180);
|
|
|
+ arrowFigure.StartPoint = (Point)LineStart + (lineVector * rotateMatrix);
|
|
|
+ ArcSegment circleSegment = new ArcSegment();
|
|
|
+ circleSegment.Point = (Point)LineStart;
|
|
|
+ circleSegment.Size = new Size(ArrowLength / 2, ArrowLength / 2);
|
|
|
+ arrowFigure.Segments.Add(circleSegment);
|
|
|
+ circleSegment = new ArcSegment();
|
|
|
+ circleSegment.Point = (Point)arrowFigure.StartPoint;
|
|
|
+ circleSegment.Size = new Size(ArrowLength / 2, ArrowLength / 2);
|
|
|
+
|
|
|
+ arrowFigure.Segments.Add(circleSegment);
|
|
|
+
|
|
|
+ return arrowFigure;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 绘制结束圆形
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
|
|
|
+ private PathFigure CreateEndRoundArrow()
|
|
|
+ {
|
|
|
+ if (ArrowLength == 0 || !HasEndArrow || LineStart == null || LineEnd == null)
|
|
|
+ {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ PathFigure arrowFigure = new PathFigure();
|
|
|
+ Vector lineVector = (Point)LineStart - (Point)LineEnd;
|
|
|
+ lineVector.Normalize();
|
|
|
+ lineVector *= ArrowLength;
|
|
|
+
|
|
|
+ Matrix rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(180);
|
|
|
+ arrowFigure.StartPoint = (Point)LineEnd + (lineVector * rotateMatrix);
|
|
|
+ ArcSegment circleSegment = new ArcSegment();
|
|
|
+ circleSegment.Point = (Point)LineEnd;
|
|
|
+ circleSegment.Size = new Size(ArrowLength / 2, ArrowLength / 2);
|
|
|
+ arrowFigure.Segments.Add(circleSegment);
|
|
|
+ circleSegment = new ArcSegment();
|
|
|
+ circleSegment.Point = (Point)arrowFigure.StartPoint;
|
|
|
+ circleSegment.Size = new Size(ArrowLength / 2, ArrowLength / 2);
|
|
|
+
|
|
|
+ arrowFigure.Segments.Add(circleSegment);
|
|
|
+
|
|
|
+ return arrowFigure;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 绘制开始方形
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
|
|
|
+ private PathFigure CreateStartSquareArrow()
|
|
|
+ {
|
|
|
+ if (ArrowLength == 0 || !HasStartArrow || LineStart == null || LineEnd == null)
|
|
|
+ {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ PathFigure arrowFigure = new PathFigure();
|
|
|
+ PolyLineSegment squreSegment = new PolyLineSegment();
|
|
|
+
|
|
|
+ Vector lineVector = (Point)LineEnd - (Point)LineStart;
|
|
|
+ lineVector.Normalize();
|
|
|
+ lineVector *= (ArrowLength / 2);
|
|
|
+ Matrix rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(90);
|
|
|
+ arrowFigure.StartPoint = (Point)LineStart + (lineVector * rotateMatrix);
|
|
|
+ rotateMatrix.Rotate(-180);
|
|
|
+ Point pointCorner = (Point)LineStart + (lineVector * rotateMatrix);
|
|
|
+ squreSegment.Points.Add(pointCorner);
|
|
|
+
|
|
|
+ Vector moveVector = arrowFigure.StartPoint - pointCorner;
|
|
|
+ moveVector.Normalize();
|
|
|
+ moveVector *= (ArrowLength);
|
|
|
+ rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(90);
|
|
|
+
|
|
|
+ squreSegment.Points.Add(pointCorner + (moveVector * rotateMatrix));
|
|
|
+ squreSegment.Points.Add(arrowFigure.StartPoint + (moveVector * rotateMatrix));
|
|
|
+ squreSegment.Points.Add(arrowFigure.StartPoint);
|
|
|
+ squreSegment.Points.Add((Point)LineStart);
|
|
|
+ arrowFigure.Segments.Add(squreSegment);
|
|
|
+
|
|
|
+ return arrowFigure;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 绘制结束方形
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
|
|
|
+ private PathFigure CreateEndSquareArrow()
|
|
|
+ {
|
|
|
+
|
|
|
+ if (ArrowLength == 0 || !HasEndArrow || LineStart == null || LineEnd == null)
|
|
|
+ {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ PathFigure arrowFigure = new PathFigure();
|
|
|
+ PolyLineSegment squreSegment = new PolyLineSegment();
|
|
|
+
|
|
|
+ Vector lineVector = (Point)LineStart - (Point)LineEnd;
|
|
|
+ lineVector.Normalize();
|
|
|
+ lineVector *= (ArrowLength / 2);
|
|
|
+ Matrix rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(90);
|
|
|
+ arrowFigure.StartPoint = (Point)LineEnd + (lineVector * rotateMatrix);
|
|
|
+ rotateMatrix.Rotate(-180);
|
|
|
+ Point pointCorner = (Point)LineEnd + (lineVector * rotateMatrix);
|
|
|
+ squreSegment.Points.Add(pointCorner);
|
|
|
+
|
|
|
+ Vector moveVector = arrowFigure.StartPoint - pointCorner;
|
|
|
+ moveVector.Normalize();
|
|
|
+ moveVector *= (ArrowLength);
|
|
|
+ rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(90);
|
|
|
+
|
|
|
+ squreSegment.Points.Add(pointCorner + (moveVector * rotateMatrix));
|
|
|
+ squreSegment.Points.Add(arrowFigure.StartPoint + (moveVector * rotateMatrix));
|
|
|
+ squreSegment.Points.Add(arrowFigure.StartPoint);
|
|
|
+ squreSegment.Points.Add((Point)LineEnd);
|
|
|
+ arrowFigure.Segments.Add(squreSegment);
|
|
|
+
|
|
|
+ return arrowFigure;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 绘制开始斜线
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
|
|
|
+ private PathFigure CreateStartSlashArrow()
|
|
|
+ {
|
|
|
+ if (ArrowLength == 0 || !HasStartArrow || LineStart == null || LineEnd == null)
|
|
|
+ {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ PathFigure arrowFigure = new PathFigure();
|
|
|
+ LineSegment buttSegment = new LineSegment();
|
|
|
+ Vector lineVector = (Point)LineStart - (Point)LineEnd;
|
|
|
+ lineVector.Normalize();
|
|
|
+ lineVector *= ArrowLength;
|
|
|
+ Matrix rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(45);
|
|
|
+ arrowFigure.StartPoint = (Point)LineStart + (lineVector * rotateMatrix);
|
|
|
+ rotateMatrix.Rotate(-180);
|
|
|
+ buttSegment.Point = ((Point)LineStart + (lineVector * rotateMatrix));
|
|
|
+ arrowFigure.Segments.Add(buttSegment);
|
|
|
+ return arrowFigure;
|
|
|
+ }
|
|
|
+ /// <summary>
|
|
|
+ /// 绘制结束斜线
|
|
|
+ /// </summary>
|
|
|
+ /// <returns></returns>
|
|
|
+ private PathFigure CreateEndSlashArrow()
|
|
|
+ {
|
|
|
+ if (ArrowLength == 0 || !HasEndArrow || LineStart == null || LineEnd == null)
|
|
|
+ {
|
|
|
+ return null;
|
|
|
+ }
|
|
|
+ PathFigure arrowFigure = new PathFigure();
|
|
|
+ LineSegment buttSegment = new LineSegment();
|
|
|
+ Vector lineVector = (Point)LineEnd - (Point)LineStart;
|
|
|
+ lineVector.Normalize();
|
|
|
+ lineVector *= ArrowLength;
|
|
|
+ Matrix rotateMatrix = new Matrix();
|
|
|
+ rotateMatrix.Rotate(45);
|
|
|
+ arrowFigure.StartPoint = (Point)LineEnd + (lineVector * rotateMatrix);
|
|
|
+ rotateMatrix.Rotate(-180);
|
|
|
+ buttSegment.Point = ((Point)LineEnd + (lineVector * rotateMatrix));
|
|
|
+ arrowFigure.Segments.Add(buttSegment);
|
|
|
+
|
|
|
+ return arrowFigure;
|
|
|
+ }
|
|
|
+ }
|
|
|
}
|
|
|
}
|
