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using RealTimeGraphEx.Controllers;
using RealTimeGraphEx.Models;
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.Shapes;
using System.Windows.Threading;
namespace RealTimeGraphEx.ReachGraphs
{
public class RealTimeGraphExReachMultiLineScroll : RealTimeGraphExMultiBase
{
#region Cross Thread Fields
protected List<RealTimeGraphExReachPolygon> _graphPolygons;
protected List<Polygon> polygons;
protected Brush _stroke;
protected Brush _fill;
protected bool _fillGraph;
#endregion
#region Constructors
public RealTimeGraphExReachMultiLineScroll()
: base()
{
_graphPolygons = new List<RealTimeGraphExReachPolygon>();
_graphController = new GraphMultiController();
polygons = new List<Polygon>();
}
#endregion
#region Properties
/// <summary>
/// Gets or sets the graph strokes color.
/// </summary>
public Brush Stroke
{
get { return (Brush)GetValue(StrokeProperty); }
set { SetValue(StrokeProperty, value); }
}
public static readonly DependencyProperty StrokeProperty =
DependencyProperty.Register("Stroke", typeof(Brush), typeof(RealTimeGraphExReachMultiLineScroll), new PropertyMetadata(Brushes.Black, new PropertyChangedCallback(CrossModelChanged)));
/// <summary>
/// Gets or sets the graph fill color.
/// </summary>
public Brush Fill
{
get { return (Brush)GetValue(FillProperty); }
set { SetValue(FillProperty, value); }
}
public static readonly DependencyProperty FillProperty =
DependencyProperty.Register("Fill", typeof(Brush), typeof(RealTimeGraphExReachMultiLineScroll), new PropertyMetadata(null, 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(RealTimeGraphExReachMultiLineScroll), new PropertyMetadata(false, new PropertyChangedCallback(CrossModelChanged)));
#endregion
#region Override Methods
protected override void OnControllerChanged()
{
if (_graphController != null)
{
_graphController.RegisterMethods(ClearGraph, StartPushThread, SetPaused, ChangeRenderMode, null);
polygons.Clear();
gridLinesAndImageWrapperGrid.Children.Remove(img);
foreach (var dataSeries in _graphController.DataSeriesCollection)
{
_graphPolygons.Add(new RealTimeGraphExReachPolygon());
Polygon polygon = new Polygon();
polygons.Add(polygon);
gridLinesAndImageWrapperGrid.Children.Add(polygon);
}
}
}
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;
_fill = Fill;
if (_graphController != null && _graphController.dataSeriesCollection != null && _graphController.dataSeriesCollection.Count > 0)
{
for (int i = 0; i < _graphController.dataSeriesCollection.Count; i++)
{
polygons[i].Fill = _graphController.dataSeriesCollection[i].fill;
polygons[i].Stroke = _graphController.dataSeriesCollection[i].stroke;
polygons[i].Margin = new Thickness(-2, 1, -2, 0);
}
}
}, System.Windows.Threading.DispatcherPriority.Send);
}
protected override void OnClearGraph()
{
_graphPolygons.ForEach(x => x.ClearPoints());
_graphPolygons.ForEach(x => x.ClearActualPoints());
this.Dispatcher.Invoke(() =>
{
foreach (var polygon in polygons)
{
polygon.Points.Clear();
}
});
base.OnClearGraph();
}
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.Count; i++)
{
double seriesCounter = xValueCounter;
for (int j = 0; j < _graphController.dataSeriesCollection[i].Points.Count; j++)
{
double value = _graphController.dataSeriesCollection[i].Points[j];
double valuePrecentage = value;
_graphPolygons[i].Add(seriesCounter, valuePrecentage, value);
seriesCounter += _scaleFactor;
}
}
for (int i = 0; i < _graphController.dataSeriesCollection[0].Points.Count; i++)
{
xValueCounter += _scaleFactor;
}
if (_graphPolygons[0].TotalPoints > _maxPoints + _graphController.dataSeriesCollection[0].Points.Count)
{
xValueCounter -= (_scaleFactor * (_graphPolygons[0].TotalPoints - (_maxPoints + _graphController.dataSeriesCollection[0].Points.Count)));
foreach (var polygon in _graphPolygons)
{
polygon.RemoveFromStart(polygon.TotalPoints - (_maxPoints + _graphController.dataSeriesCollection[0].Points.Count));
}
}
updateCounter++;
if (updateCounter >= 1)
{
updateCounter = 0;
if (!_isPaused)
{
OnDrawVisuals();
}
}
}
}
#endregion
#region Virtual Methods
protected virtual void OnDrawVisuals()
{
for (int i = 0; i < _graphPolygons.Count; i++)
{
var polygon = _graphPolygons[i];
double scale = _width / (polygon.TotalPoints - 1);
if (polygon.Points.Count > 0)
{
if (_graphController.dataSeriesCollection[i].isVisible) //Fill Graph
{
this.Dispatcher.Invoke(() =>
{
polygons[i].Points = new PointCollection(polygon.ToPolygonPointsFill(_width, _height, scale, ConvertYToImageYFliped));
}, DispatcherPriority.Send);
}
else
{
this.Dispatcher.Invoke(() =>
{
polygons[i].Points.Clear();
}, DispatcherPriority.Send);
}
}
}
}
#endregion
}
}
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