73 lines
2.5 KiB
C#
73 lines
2.5 KiB
C#
using System.Windows;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Windows.Media.Animation;
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using System.Windows.Shapes;
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namespace PamhagenSysCtrl.Helpers.Pipeline {
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public class Auger {
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public double CenterX { get; set; }
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public double CenterY { get; set; }
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public double Width { get; set; }
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public double Height { get; set; }
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public bool IsActive {
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set {
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if (value) {
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_storyboard?.Resume();
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} else {
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_storyboard?.Pause();
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}
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}
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}
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private Polyline? _polyline;
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private Storyboard? _storyboard;
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public Auger(double x, double y, double width, double height) {
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CenterX = x;
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CenterY = y;
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Width = width;
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Height = height;
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}
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public void Draw(Canvas canvas) {
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var d = Height / 4;
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int n = (int)(Width / d / 4) + 2;
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_polyline = new Polyline() {
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Points = [.. Enumerable.Range(0, n).SelectMany(i => new List<Point>() {
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new(i * 4 * d, Height / 2), new((i * 4 + 1) * d, 0),
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new((i * 4 + 2) * d, Height / 2), new((i * 4 + 3) * d, Height)
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}), new(n * 4 * d, Height / 2), new(0, Height / 2)],
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Fill = Brushes.Transparent,
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Stroke = Brushes.Black,
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StrokeThickness = 2,
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};
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_polyline.SetValue(Canvas.LeftProperty, 0.0);
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var slideLeft = new DoubleAnimation {
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From = 0,
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To = -d * 4,
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Duration = new Duration(TimeSpan.FromSeconds(1)),
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RepeatBehavior = RepeatBehavior.Forever,
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};
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_storyboard = new Storyboard();
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_storyboard.Children.Add(slideLeft);
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Storyboard.SetTarget(slideLeft, _polyline);
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Storyboard.SetTargetProperty(slideLeft, new PropertyPath(Canvas.LeftProperty));
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var clipCanvas = new Canvas() {
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Width = Width,
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Height = Height,
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ClipToBounds = true,
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};
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clipCanvas.SetValue(Canvas.TopProperty, CenterY - Height / 2);
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clipCanvas.SetValue(Canvas.LeftProperty, CenterX - Width / 2);
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clipCanvas.Children.Add(_polyline);
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canvas.Children.Add(clipCanvas);
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_storyboard.Begin();
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_storyboard.Pause();
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}
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}
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}
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