78 lines
3.0 KiB
C#
78 lines
3.0 KiB
C#
using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Shapes;
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namespace PamhagenSysCtrl.Helpers.Pipeline {
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public class Outlet : IEdge {
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public const double POINT = 3.2;
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public INode Start => Source;
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public INode End { get; set; }
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public ISource Source { get; set; }
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public string? Label => null;
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public bool IsTwoWay => false;
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public bool Orientation { get; set; }
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public Brush? Highlight { get; set; }
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public (bool TowardEnd, double PathOffset)? Flow { get; set; }
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public double FlowLength => _flowArrows?.Length ?? 0;
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public double X1 => Start.CenterX;
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public double Y1 => Source.BottomY;
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public double X2 => Orientation ? Start.CenterX : End.CenterX;
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public double Y2 => Orientation ? End.CenterY : Start.CenterY;
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public double X3 => End.CenterX;
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public double Y3 => End.CenterY;
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private Polygon? _hopper;
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private FlowArrows? _flowArrows;
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private Polyline? _outer;
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private Polyline? _inner;
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public Outlet(ISource start, INode end) {
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Source = start;
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End = end;
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Orientation = true;
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}
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public void Draw(Canvas canvas) {
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_hopper = new Polygon() {
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Fill = Brushes.DarkGray,
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Stroke = Brushes.Black,
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};
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_outer = new Polyline() {
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Stroke = Brushes.Black,
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StrokeStartLineCap = PenLineCap.Round,
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StrokeLineJoin = PenLineJoin.Round,
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StrokeEndLineCap = PenLineCap.Round,
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};
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_inner = new Polyline() {
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Stroke = Brushes.DarkGray,
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StrokeStartLineCap = PenLineCap.Round,
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StrokeLineJoin = PenLineJoin.Round,
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StrokeEndLineCap = PenLineCap.Round,
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};
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canvas.Children.Add(_outer);
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canvas.Children.Add(_hopper);
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canvas.Children.Add(_inner);
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_flowArrows = FlowArrows.Create(canvas, _inner);
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}
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public void Scale(double scale) {
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var border = Graph.ToBorder(scale);
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_hopper?.Points = [Graph.ToPx(X1 - POINT, Y1, scale, dypx: -border * 2), Graph.ToPx(X1 + POINT, Y1, scale, dypx: -border * 2), Graph.ToPx(X1, Y1 + POINT, scale)];
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_hopper?.StrokeThickness = border;
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_outer?.Points = [Graph.ToPx(X1, Y1, scale), Graph.ToPx(X2, Y2, scale), Graph.ToPx(X3, Y3, scale)];
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_inner?.Points = [Graph.ToPx(X1, Y1, scale), Graph.ToPx(X2, Y2, scale), Graph.ToPx(X3, Y3, scale)];
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_inner?.StrokeThickness = Math.Round(1.2 * scale / 2) * 2;
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_outer?.StrokeThickness = Math.Round(1.2 * scale / 2) * 2 + border * 2;
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}
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public void Update() {
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_inner?.Stroke = Highlight ?? Brushes.DarkGray;
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_hopper?.Fill = Highlight ?? Brushes.DarkGray;
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_flowArrows?.Update(Flow);
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}
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}
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}
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