diff options
Diffstat (limited to 'Software/Visual_Studio/SideChains/RealTimeGraphEx/FastGraphs/RealTimeGraphExLineScroll.cs')
| -rw-r--r-- | Software/Visual_Studio/SideChains/RealTimeGraphEx/FastGraphs/RealTimeGraphExLineScroll.cs | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/Software/Visual_Studio/SideChains/RealTimeGraphEx/FastGraphs/RealTimeGraphExLineScroll.cs b/Software/Visual_Studio/SideChains/RealTimeGraphEx/FastGraphs/RealTimeGraphExLineScroll.cs new file mode 100644 index 000000000..216683d39 --- /dev/null +++ b/Software/Visual_Studio/SideChains/RealTimeGraphEx/FastGraphs/RealTimeGraphExLineScroll.cs @@ -0,0 +1,251 @@ +using System; +using System.Collections.Generic; +using System.Linq; +using System.Text; +using System.Threading.Tasks; +using System.Windows; +using System.Windows.Media; +using System.Windows.Media.Imaging; +using System.Windows.Threading; +using RealTimeGraphEx.Models; +using RealTimeGraphEx.DataSeries; +using RealTimeGraphEx.Controllers; +using System.Runtime.ExceptionServices; + +namespace RealTimeGraphEx.FastGraphs +{ + /// <summary> + /// Represents a real-time graph with a single scrollable line. + /// </summary> + public class RealTimeGraphExLineScroll : RealTimeGraphExBase + { + #region Protected Fields + + protected ConcurrentpointsList graphPolygon; + protected int updateCounter; + + #endregion + + #region Cross Thread Fields + + protected GraphController _graphController; + protected int _maxPoints; + protected double _scaleFactor; + protected Color _stroke; + protected Color _fill; + protected bool _fillGraph; + protected List<double> _markers; + + #endregion + + #region Properties + + /// <summary> + /// Gets or sets the maximum vectorsCollection to display on the graph (default 1000, affects performance). + /// </summary> + public int MaxPoints + { + get { return (int)GetValue(MaxPointsProperty); } + set { SetValue(MaxPointsProperty, value); } + } + public static readonly DependencyProperty MaxPointsProperty = + DependencyProperty.Register("MaxPoints", typeof(int), typeof(RealTimeGraphExLineScroll), new PropertyMetadata(1000, new PropertyChangedCallback(CrossModelChanged))); + + + /// <summary> + /// Gets or sets the graph fill color. + /// </summary> + public Color Stroke + { + get { return (Color)GetValue(StrokeProperty); } + set { SetValue(StrokeProperty, value); } + } + public static readonly DependencyProperty StrokeProperty = + DependencyProperty.Register("Stroke", typeof(Color), typeof(RealTimeGraphExLineScroll), new PropertyMetadata(Colors.Black, new PropertyChangedCallback(CrossModelChanged))); + + /// <summary> + /// Gets or sets the graph fill color. + /// </summary> + public Color Fill + { + get { return (Color)GetValue(FillProperty); } + set { SetValue(FillProperty, value); } + } + public static readonly DependencyProperty FillProperty = + DependencyProperty.Register("Fill", typeof(Color), typeof(RealTimeGraphExLineScroll), new PropertyMetadata(Colors.Gray, new PropertyChangedCallback(CrossModelChanged))); + + /// <summary> + /// Gets or sets whether the graph will be rendered using the Fill color property. + /// </summary> + public bool FillGraph + { + get { return (bool)GetValue(FillGraphProperty); } + set { SetValue(FillGraphProperty, value); } + } + public static readonly DependencyProperty FillGraphProperty = + DependencyProperty.Register("FillGraph", typeof(bool), typeof(RealTimeGraphExLineScroll), new PropertyMetadata(false, new PropertyChangedCallback(CrossModelChanged))); + + + /// <summary> + /// Gets or sets the IDataSeries used to push data vectorsCollection to the graph. + /// </summary> + public GraphController Controller + { + get { return (GraphController)GetValue(ControllerProperty); } + set { SetValue(ControllerProperty, value); } + } + public static readonly DependencyProperty ControllerProperty = + DependencyProperty.Register("Controller", typeof(GraphController), typeof(RealTimeGraphExLineScroll), new PropertyMetadata(null, new PropertyChangedCallback(GraphControllerChanged))); + private static void GraphControllerChanged(DependencyObject d, DependencyPropertyChangedEventArgs e) + { + var control = d as RealTimeGraphExLineScroll; + + if (control.Controller != null) + { + control.Controller.RegisterMethods(control.ClearGraph, control.StartPushThread, control.SetPaused, control.ChangeRenderMode, control.OnPushMarker); + control._graphController = control.Controller; + } + } + + #endregion + + #region Constructors + + public RealTimeGraphExLineScroll() + : base() + { + graphPolygon = new ConcurrentpointsList(); + _markers = new List<double>(); + } + + #endregion + + #region Override Methods + + protected override void OnSizeChanged(object sender, SizeChangedEventArgs e) + { + OnSetCrossThreadFields(); + } + + protected override void OnSetCrossThreadFields() + { + base.OnSetCrossThreadFields(); + + this.Dispatcher.Invoke(() => + { + _maxPoints = MaxPoints; + _scaleFactor = _width / _maxPoints; + _graphController = Controller; + _stroke = Stroke; + _fillGraph = FillGraph; + _fill = Fill; + + }, DispatcherPriority.Send); + } + + protected override void OnClearGraph() + { + base.OnClearGraph(); + _graphController.dataSeries.ClearPoints(); + graphPolygon.Clear(); + } + + protected internal override void OnRenderGraph() + { + if (_graphController != null && _graphController.dataSeries.Points != null && _graphController.dataSeries.Points.Count > 0 && _width > 1 && _height > 1) + { + var points = _graphController.dataSeries.Points.GetAndClearAllPoints(); + + if (!_isPaused) + { + + for (int i = 0; i < points.Count; i++) + { + double value = points[i]; + NormalizeValue(ref value); + + graphPolygon.Add(value); + + xValueCounter += _scaleFactor; + } + + if (graphPolygon.Count > _maxPoints + 1) + { + xValueCounter -= (_scaleFactor * (graphPolygon.Count - (_maxPoints + 1))); + graphPolygon.RemoveFromStart(graphPolygon.Count - (_maxPoints + 1)); + } + } + + updateCounter++; + + if (updateCounter >= 1) + { + updateCounter = 0; + + if (!_disableRendering) + { + WriteableBitmap bmp = BitmapFactory.New((int)_mainWidth, (int)_mainHeight); + bmp.Clear(Colors.Transparent); + + OnDrawVisuals(bmp); + + bmp.Freeze(); + + img.Dispatcher.BeginInvoke(new Action(() => + { + img.Source = bmp; + }), System.Windows.Threading.DispatcherPriority.Send); + } + } + } + } + + protected override void OnZoomingComplete(Point transformOrigin, double scaleX, double scaleY) + { + base.OnZoomingComplete(transformOrigin, scaleX, scaleY); + } + + #endregion + + #region Virtual Methods + + protected virtual void OnPushMarker() + { + + } + + /// <summary> + /// Calculate the scaling factor for the current graph width. + /// </summary> + /// <returns></returns> + protected virtual double GetPolygonScaleFactor() + { + return _width / (graphPolygon.Count - 1); + } + + /// <summary> + /// Draw the actual polygon on the image. + /// </summary> + /// <param name="bmp"></param> + [HandleProcessCorruptedStateExceptions] + protected virtual void OnDrawVisuals(WriteableBitmap bmp) + { + Color stroke = _graphController.dataSeries.GetStrokeColor() != null ? _graphController.dataSeries.GetStrokeColor().Value : _stroke; + Color fill = _graphController.dataSeries.GetFillColor() != null ? _graphController.dataSeries.GetFillColor().Value : _fill; + + double scale = GetPolygonScaleFactor(); + + OnBeforeRenderingVisuals(bmp, scale); + + if (_fillGraph) //Fill Graph + { + bmp.FillPolygon(graphPolygon.ToPolygonPointsFill(_offSetX, _offSetY, _mainWidth, _mainHeight, scale, ConvertYToImageYFliped), fill); + } + + DrawPolyline(bmp, graphPolygon.ToPolygonPoints(_offSetX, _offSetY, scale, ConvertYToImageYFliped), stroke); + + OnAfterRenderingVisuals(bmp, scale); + } + #endregion + } +} |
