using System;
using System.Runtime;
using System.Runtime.InteropServices;
namespace System.Windows.Media.Imaging
{
internal static class NativeMethods
{
[TargetedPatchingOptOut("Internal method only, inlined across NGen boundaries for performance reasons")]
internal static unsafe void CopyUnmanagedMemory(byte* srcPtr, int srcOffset, byte* dstPtr, int dstOffset, int count)
{
srcPtr += srcOffset;
dstPtr += dstOffset;
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.highlight .il { color: #0000DD; font-weight: bold } /* Literal.Number.Integer.Long */using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Diagnostics;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using RealTimeGraphEx.Models;
using RealTimeGraphEx.DataSeries;
using RealTimeGraphEx.Controllers;
using System.Runtime.ExceptionServices;
using RealTimeGraphEx.DX2D;
using System.Windows.Controls;
using System.Windows.Threading;
namespace RealTimeGraphEx.DirectXGraphs
{
public class RealTimeGraphExDirectXMultiLineScroll : RealTimeGraphExMultiBase
{
#region Cross Thread Fields
protected Direct2DControl dxGraph;
protected List<ConcurrentpointsList> _graphPolygons;
protected Brush _stroke;
protected Brush _fill;
protected bool _fillGraph;
protected double _strokeWidth;
#endregion
#region Constructors
public RealTimeGraphExDirectXMultiLineScroll()
: base()
{
_graphPolygons = new List<ConcurrentpointsList>();
_graphController = new GraphMultiController();
}
#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(RealTimeGraphExDirectXMultiLineScroll), new PropertyMetadata(Brushes.Red, 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(RealTimeGraphExDirectXMultiLineScroll), new PropertyMetadata(Brushes.Transparent, 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(RealTimeGraphExDirectXMultiLineScroll), new PropertyMetadata(false, new PropertyChangedCallback(CrossModelChanged)));
public double StrokeWidth
{
get { return (double)GetValue(StrokeWidthProperty); }
set { SetValue(StrokeWidthProperty, value); }
}
public static readonly DependencyProperty StrokeWidthProperty =
DependencyProperty.Register("StrokeWidth", typeof(double), typeof(RealTimeGraphExDirectXMultiLineScroll), new PropertyMetadata(1.0, new PropertyChangedCallback(CrossModelChanged)));
#endregion
#region Override Methods
protected override void Initialize()
{
base.Initialize();
dxGraph = new DXGraphSurfaceMultiScroll() { HorizontalAlignment = System.Windows.HorizontalAlignment.Left, VerticalAlignment = System.Windows.VerticalAlignment.Stretch };
gridMain.Children.Remove(img);
if (!gridMain.Children.Contains(dxGraph))
{
gridMain.Children.Add(dxGraph);
}
dxGraph.IsHitTestVisible = false;
Grid.SetColumnSpan(dxGraph, 3);
}
protected override void OnControllerChanged()
{
if (_graphController != null)
{
_graphController.RegisterMethods(ClearGraph, StartPushThread, SetPaused, ChangeRenderMode, null);
foreach (var dataSeries in _graphController.DataSeriesCollection)
{
_graphPolygons.Add(new ConcurrentpointsList());
}
}
}
protected override void OnSizeChanged(object sender, SizeChangedEventArgs e)
{
OnSetCrossThreadFields();
}
protected override void OnSetCrossThreadFields()
{
base.OnSetCrossThreadFields();
this.Dispatcher.Invoke(() =>
{
_maxPoints = MaxPoints;
_scaleFactor = _width / _maxPoints;
_strokeWidth = StrokeWidth;
_fill = Fill;
_stroke = Stroke;
_fillGraph = FillGraph;
}, System.Windows.Threading.DispatcherPriority.Send);
}
protected override void OnClearGraph()
{
_graphPolygons.ForEach(x => x.Clear());
_graphController.ClearPoints();
base.OnClearGraph();
}
protected override double ConvertYToImageY(double value)
{
double valuePrecentage = ((((value - (_minimum - (_strokeWidth / 2))) * 100) / (_maximum - (_minimum - (_strokeWidth / 2)))) * ((_height) - (_strokeWidth / 2))) / 100;
return valuePrecentage;
}
protected override double ConvertYToImageYFliped(double value)
{
double valuePrecentage = ConvertYToImageY(value);
valuePrecentage = (_height - (_strokeWidth / 2)) - valuePrecentage; //Flip
return valuePrecentage;
}
protected internal override void OnRenderGraph()
{
if (_graphController != null && _graphController.dataSeriesCollection.Count > 0 && _graphController.TotalPoints > 0 && _width > 1 && _height > 1)
{
var pointsCollection = _graphController.GetAndClearAllPoints();
if (!_isPaused)
{
Parallel.For(0, pointsCollection.Count, (i) =>
{
for (int j = 0; j < pointsCollection[(int)i].Count; j++)
{
double value = pointsCollection[(int)i][j];
NormalizeValue(ref value);
_graphPolygons[i].Add(value);
}
});
if (_graphPolygons[0].Count > _maxPoints + _graphController.dataSeriesCollection[0].Points.Count)
{
Parallel.ForEach(_graphPolygons, (polygon) =>
{
polygon.RemoveFromStart(polygon.Count - (_maxPoints + _graphController.dataSeriesCollection[0].Points.Count));
});
}
}
}
updateCounter++;
if (updateCounter >= 1)
{
updateCounter = 0;
if (!_disableRendering)
{
OnDrawVisuals();
}
}
}
protected override void OnDragging(System.Windows.Controls.Primitives.DragDeltaEventArgs e)
{
base.OnDragging(e);
}
#endregion
#region Virtual Methods
protected virtual void OnDrawVisuals()
{
if (_graphPolygons[0].Count > 0)
{
List<SharpDX.Vector2[]> polygonPoints = new List<SharpDX.Vector2[]>();
List<SharpDX.Vector2[]> polygonPointsFill = new List<SharpDX.Vector2[]>();
List<Brush> strokes = new List<Brush>();
List<Brush> fills = new List<Brush>();
for (int i = 0; i < _graphPolygons.Count; i++)
{
var polygon = _graphPolygons[i];
double scale = _width / (polygon.Count - 1);
if (polygon.Count > 0 && _graphController.dataSeriesCollection[i].isVisible)
{
Brush stroke = _graphController.dataSeriesCollection[i].stroke != null ? _graphController.dataSeriesCollection[i].stroke : _stroke;
Brush fill = _graphController.dataSeriesCollection[i].fill != null ? _graphController.dataSeriesCollection[i].fill : _fill;
strokes.Add(stroke);
fills.Add(fill);
polygonPoints.Add(polygon.ToDXPolygonPoints(_offSetX, _offSetY, scale, ConvertYToImageYFliped));
polygonPointsFill.Add(polygon.ToDXPolygonPointsFill(_offSetX, _offSetY, _mainWidth, _mainHeight, scale, ConvertYToImageYFliped));
}
}
(dxGraph as DXGraphSurfaceMultiScroll).SetProperties(
polygonPoints,
_fillGraph ? polygonPointsFill : null,
strokes,
_strokeWidth,
_fillGraph,
fills,
_antialiased);
dxGraph.EnableRendering();
}
}
public virtual List<double> GetCurrentPointsOnGraph(int seriesIndex)
{
return _graphPolygons[seriesIndex].GetPoints();
}
#endregion
}
}
