namespace Yw.WinFrmUI.HydroL2d
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{
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/// <summary>
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/// 水泵
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/// </summary>
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public class Pump : 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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/// 图片
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/// </summary>
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public Image Image { get; set; }
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/// <summary>
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/// 宽度
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/// </summary>
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public float? Width { get; set; }
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/// <summary>
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/// 高度
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/// </summary>
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public float? Height { 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.Width.HasValue ? this.Width.Value : CacheHelper.HydroL2d.Pump.Size.Width;
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var hs = this.Height.HasValue ? this.Height.Value : CacheHelper.HydroL2d.Pump.Size.Height;
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var wz = ws / g.PageScale;
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var hz = hs / 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 * hz);
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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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#region 画线
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var fromCachePen = true;
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var pen = CacheHelper.PumpLinePen;
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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 = pen.Width / g.PageScale;
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g.DrawLine(pen, this.StartPosition, this.EndPosition);
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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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#endregion
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#region 画图片
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var img = CacheHelper.PumpImage;
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if (this.Image != null)
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{
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img = this.Image;
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}
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var width = this.Width.HasValue ? this.Width.Value : CacheHelper.HydroL2d.Pump.Size.Width;
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var height = this.Height.HasValue ? this.Height.Value : CacheHelper.HydroL2d.Pump.Size.Height;
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var isNewImage = false;
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if (img.Width != (int)width || img.Height != (int)height)
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{
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img = img.CloneC(width, height);
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isNewImage = true;
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}
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var pt = this.StartPosition.GetCenter(this.EndPosition);
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var dx = width / g.PageScale / 2f;
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var dy = height / g.PageScale / 2f;
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var p0 = new PointF(pt.X - dx, pt.Y - dy);
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g.DrawImage(img, p0);
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if (isNewImage)
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{
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img.Dispose();
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}
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#endregion
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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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