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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.Shapes;
namespace RealTimeGraphEx.ReachGraphs
{
public class RealTimeGraphExReachMultiLineErase : RealTimeGraphExReachMultiLineScroll
{
#region Cross Thread Fields
protected Brush _markerColor;
protected bool _showMarker;
protected bool _endReached;
protected int _currentReplaceIndex;
protected Rectangle marker;
#endregion
#region Constructors
public RealTimeGraphExReachMultiLineErase()
: base()
{
}
#endregion
#region Properties
/// <summary>
/// Gets or sets the graph marker color.
/// </summary>
public Brush MarkerColor
{
get { return (Brush)GetValue(MarkerColorProperty); }
set { SetValue(MarkerColorProperty, value); }
}
public static readonly DependencyProperty MarkerColorProperty =
DependencyProperty.Register("MarkerBrush", typeof(Brush), typeof(RealTimeGraphExReachMultiLineErase), new PropertyMetadata(Brushes.Red, new PropertyChangedCallback(CrossModelChanged)));
/// <summary>
/// Gets or sets whether to display the marker on the graph.
/// </summary>
public bool ShowMarker
{
get { return (bool)GetValue(ShowMarkerProperty); }
set { SetValue(ShowMarkerProperty, value); }
}
public static readonly DependencyProperty ShowMarkerProperty =
DependencyProperty.Register("ShowMarker", typeof(bool), typeof(RealTimeGraphExReachMultiLineErase), new PropertyMetadata(true, new PropertyChangedCallback(CrossModelChanged)));
#endregion
#region Override Methods
protected override void Initialize()
{
base.Initialize();
marker = new Rectangle() { VerticalAlignment = System.Windows.VerticalAlignment.Stretch, Width = 1, Fill = MarkerColor, HorizontalAlignment = System.Windows.HorizontalAlignment.Left, Margin = new Thickness(-2, 0, 0, 0) };
if (!gridLinesAndImageWrapperGrid.Children.Contains(marker))
{
gridLinesAndImageWrapperGrid.Children.Add(marker);
}
}
protected override void OnSetCrossThreadFields()
{
base.OnSetCrossThreadFields();
this.Dispatcher.Invoke(() =>
{
_markerColor = MarkerColor;
_showMarker = ShowMarker;
}, System.Windows.Threading.DispatcherPriority.Send);
}
protected override void OnClearGraph()
{
base.OnClearGraph();
_currentReplaceIndex = 0;
_endReached = false;
this.Dispatcher.Invoke(() =>
{
marker.RenderTransform = new TranslateTransform(0, 0);
});
}
protected internal override void OnRenderGraph()
{
if (_graphController != null && _graphController.dataSeriesCollection.Count > 0 && _graphController.TotalPoints > 0 && _width > 1 && _height > 1)
{
for (int i = 0; i < _graphController.dataSeriesCollection[0].Points.Count; i++) //Match
{
if (xValueCounter <= _width)
{
if (!_endReached)
{
for (int j = 0; j < _graphController.dataSeriesCollection.Count; j++)
{
double value = _graphController.dataSeriesCollection[j].Points[i];
double valuePrecentage = value;
_graphPolygons[j].Add(xValueCounter, valuePrecentage, value);
}
xValueCounter += _scaleFactor;
}
else
{
for (int j = 0; j < _graphController.dataSeriesCollection.Count; j++)
{
double value = _graphController.dataSeriesCollection[j].Points[i];
double valuePrecentage = value;
_graphPolygons[j].Replace(xValueCounter, valuePrecentage, value, _currentReplaceIndex);
if (j == _graphController.dataSeriesCollection.Count - 1)
{
_currentReplaceIndex++;
}
}
xValueCounter += _scaleFactor;
if (_currentReplaceIndex > _graphPolygons[0].TotalPoints - 1)
{
xValueCounter = 0;
_currentReplaceIndex = 0;
}
}
}
else
{
_endReached = true;
xValueCounter = 0;
for (int j = 0; j < _graphController.dataSeriesCollection.Count; j++)
{
double value = _graphController.dataSeriesCollection[j].Points[i];
double valuePrecentage = value;
_graphPolygons[j].Replace(xValueCounter, valuePrecentage, value, _currentReplaceIndex);
if (j == _graphController.dataSeriesCollection.Count - 1)
{
_currentReplaceIndex++;
}
}
xValueCounter += _scaleFactor;
}
}
updateCounter++;
if (updateCounter >= 1 && !_isPaused)
{
OnDrawVisuals();
}
}
}
protected override void OnDrawVisuals()
{
base.OnDrawVisuals();
if (_graphPolygons.Count > 0)
{
double scale = _width / (_graphPolygons[0].TotalPoints - 1);
this.Dispatcher.Invoke(() =>
{
marker.RenderTransform = new TranslateTransform((_currentReplaceIndex * scale) - 2, 0);
});
}
}
#endregion
}
}
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