namespace Yw.WinFrmUI.HydroL2d
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{
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/// <summary>
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/// 管道
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/// </summary>
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public class Pipe : Link
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{
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/// <summary>
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/// 线色
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/// </summary>
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public Color? LineColor { get; set; }
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/// <summary>
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/// 线宽
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/// </summary>
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public float? LineWidth { get; set; }
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/// <summary>
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/// 悬停线色
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/// </summary>
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public Color? HoveredLineColor { get; set; }
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/// <summary>
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/// 悬停线宽
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/// </summary>
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public float? HoveredLineWidth { get; set; }
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/// <summary>
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/// 选择线色
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/// </summary>
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public Color? SelectedLineColor { get; set; }
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/// <summary>
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/// 选择线宽
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/// </summary>
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public float? SelectedLineWidth { get; set; }
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private Coordinate _coordinate { get; set; }//坐标信息
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//获取坐标位置
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private Coordinate GetCoordinate(Graphics g)
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{
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var ws = this.LineWidth.HasValue ? this.LineWidth.Value : CacheHelper.HydroL2d.Pipe.Line.Width;
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var wz = ws / g.PageScale;
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var angle = (float)this.StartPosition.AngleClockWise(this.EndPosition);
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var xp = this.StartPosition.GetXPoint(this.EndPosition);
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var size = new SizeF(xp.X - this.StartPosition.X, 2 * wz);
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return Coordinate.GetCoordinate(this.StartPosition, angle, size, StringAlignment.Near, StringAlignment.Center);
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}
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/// <summary>
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/// 绘制
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/// </summary>
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public override void Draw(Graphics g)
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{
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_coordinate = GetCoordinate(g);
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if (this.Hovered)
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{
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var fromCachePen = true;
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var pen = CacheHelper.PipeHoveredLinePen;
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if (this.HoveredLineColor.HasValue && this.HoveredLineWidth.HasValue)
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{
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pen = new Pen(this.HoveredLineColor.Value, this.HoveredLineWidth.Value);
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fromCachePen = false;
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}
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var penWidth = pen.Width;
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pen.Width = penWidth / g.PageScale;
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g.DrawLines(pen, this.Positions.ToArray());
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pen.Width = penWidth;
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if (!fromCachePen)
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{
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pen.Dispose();
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}
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}
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else if (this.Selected)
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{
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var fromCachePen = true;
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var pen = CacheHelper.PipeSelectedLinePen;
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if (this.SelectedLineColor.HasValue && this.SelectedLineWidth.HasValue)
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{
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pen = new Pen(this.SelectedLineColor.Value, this.SelectedLineWidth.Value);
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fromCachePen = false;
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}
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var penWidth = pen.Width;
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pen.Width = penWidth / g.PageScale;
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g.DrawLines(pen, this.Positions.ToArray());
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pen.Width = penWidth;
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if (!fromCachePen)
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{
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pen.Dispose();
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}
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}
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else
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{
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var fromCachePen = true;
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var pen = CacheHelper.PipeLinePen;
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if (this.LineColor.HasValue && this.LineWidth.HasValue)
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{
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pen = new Pen(this.LineColor.Value, this.LineWidth.Value);
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fromCachePen = false;
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}
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var penWidth = pen.Width;
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pen.Width = penWidth / g.PageScale;
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g.DrawLines(pen, this.Positions.ToArray());
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pen.Width = penWidth;
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if (!fromCachePen)
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{
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pen.Dispose();
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}
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}
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}
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/// <summary>
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/// 包含
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/// </summary>
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public override bool Contains(PointF pt)
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{
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if (_coordinate == null)
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{
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return false;
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}
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var pa = _coordinate.Origin.RotatePointF(pt, _coordinate.Angle, false);
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return _coordinate.BeforeRectf.Contains(pa);
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}
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/// <summary>
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/// 相交
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/// </summary>
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public override bool Intersect(RectangleF rectf)
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{
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var positions = this.Positions;
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foreach (var position in positions)
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{
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if (rectf.Contains(position))
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{
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return true;
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}
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}
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return false;
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}
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}
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}
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