namespace Yw.WinFrmUI.HydroL2d
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{
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/// <summary>
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/// 连接节点
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/// </summary>
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public class Junction : Node
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{
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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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/// <summary>
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/// 填充颜色
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/// </summary>
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public Color? FillColor { get; set; }
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/// <summary>
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/// 悬停宽度
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/// </summary>
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public float? HoveredWidth { get; set; }
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/// <summary>
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/// 悬停高度
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/// </summary>
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public float? HoveredHeight { get; set; }
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/// <summary>
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/// 悬停填充颜色
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/// </summary>
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public Color? HoveredFillColor { get; set; }
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/// <summary>
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/// 选择宽度
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/// </summary>
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public float? SelectedWidth { get; set; }
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/// <summary>
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/// 选择高度
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/// </summary>
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public float? SelectedHeight { get; set; }
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/// <summary>
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/// 选择填充颜色
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/// </summary>
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public Color? SelectedFillColor { 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 ps = this.Position;//原始点
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var ws = this.Width.HasValue ? this.Width.Value : CacheHelper.HydroL2d.Junction.Size.Width;//原始宽度
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var hs = this.Height.HasValue ? this.Height.Value : CacheHelper.HydroL2d.Junction.Size.Height;//原始高度
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var wz = ws / g.PageScale; //缩放宽度
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var hz = hs / g.PageScale;//缩放高度
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return Coordinate.GetCoordinate(ps, 0, new SizeF(wz, hz), StringAlignment.Center, 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 fromCacheBrush = true;
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var brush = CacheHelper.JunctionHoveredFillBrush;
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if (this.HoveredFillColor.HasValue)
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{
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brush = new SolidBrush(this.HoveredFillColor.Value);
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fromCacheBrush = false;
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}
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var width = this.HoveredWidth.HasValue ? this.HoveredWidth.Value : CacheHelper.HydroL2d.Junction.HoveredSize.Width;
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var height = this.HoveredHeight.HasValue ? this.HoveredHeight.Value : CacheHelper.HydroL2d.Junction.HoveredSize.Height;
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var x = this.Position.X - width / g.PageScale / 2f;
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var y = this.Position.Y - height / g.PageScale / 2f;
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var rect = new RectangleF(x, y, width / g.PageScale, height / g.PageScale);
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g.FillEllipse(brush, rect);
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if (!fromCacheBrush)
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{
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brush.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 fromCacheBrush = true;
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var brush = CacheHelper.JunctionSelectedFillBrush;
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if (this.SelectedFillColor.HasValue)
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{
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brush = new SolidBrush(this.SelectedFillColor.Value);
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fromCacheBrush = false;
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}
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var width = this.SelectedWidth.HasValue ? this.SelectedWidth.Value : CacheHelper.HydroL2d.Junction.SelectedSize.Width;
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var height = this.SelectedHeight.HasValue ? this.SelectedHeight.Value : CacheHelper.HydroL2d.Junction.SelectedSize.Height;
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var x = this.Position.X - width / g.PageScale / 2f;
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var y = this.Position.Y - height / g.PageScale / 2f;
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var rect = new RectangleF(x, y, width / g.PageScale, height / g.PageScale);
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g.FillEllipse(brush, rect);
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if (!fromCacheBrush)
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{
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brush.Dispose();
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}
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}
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else
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{
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var fromCacheBrush = true;
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var brush = CacheHelper.JunctionFillBrush;
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if (this.FillColor.HasValue)
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{
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brush = new SolidBrush(this.FillColor.Value);
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fromCacheBrush = false;
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}
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var width = this.Width.HasValue ? this.Width.Value : CacheHelper.HydroL2d.Junction.Size.Width;
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var height = this.Height.HasValue ? this.Height.Value : CacheHelper.HydroL2d.Junction.Size.Height;
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var x = this.Position.X - width / g.PageScale / 2f;
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var y = this.Position.Y - height / g.PageScale / 2f;
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var rect = new RectangleF(x, y, width / g.PageScale, height / g.PageScale);
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g.FillEllipse(brush, rect);
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if (!fromCacheBrush)
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{
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brush.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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return _coordinate.BeforeRectf.Contains(pt);
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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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if (rectf.Contains(this.Position))
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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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}
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