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using RealTimeGraphEx.DX2D;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Threading;
namespace RealTimeGraphEx.DirectXGraphs
{
public class RealTimeGraphExDirectXMultiLineErase : RealTimeGraphExDirectXMultiLineScroll
{
#region Cross Thread Fields
protected Brush _markerBrush;
protected bool _showMarker;
protected double _markerStrokeWidth;
protected int _currentReplaceIndex;
protected bool _endReached;
#endregion
#region Properties
public Brush MarkerBrush
{
get { return (Brush)GetValue(MarkerBrushProperty); }
set { SetValue(MarkerBrushProperty, value); }
}
public static readonly DependencyProperty MarkerBrushProperty =
DependencyProperty.Register("MarkerBrush", typeof(Brush), typeof(RealTimeGraphExDirectXMultiLineErase), new PropertyMetadata(Brushes.Red, new PropertyChangedCallback(CrossModelChanged)));
public bool ShowMarker
{
get { return (bool)GetValue(ShowMarkerProperty); }
set { SetValue(ShowMarkerProperty, value); }
}
public static readonly DependencyProperty ShowMarkerProperty =
DependencyProperty.Register("ShowMarker", typeof(bool), typeof(RealTimeGraphExDirectXMultiLineErase), new PropertyMetadata(true, new PropertyChangedCallback(CrossModelChanged)));
public double MarkerStrokeWidth
{
get { return (double)GetValue(MarkerStrokeWidthProperty); }
set { SetValue(MarkerStrokeWidthProperty, value); }
}
public static readonly DependencyProperty MarkerStrokeWidthProperty =
DependencyProperty.Register("MarkerStrokeWidth", typeof(double), typeof(RealTimeGraphExDirectXMultiLineErase), new PropertyMetadata(1.0, new PropertyChangedCallback(CrossModelChanged)));
#endregion
#region Constructor
public RealTimeGraphExDirectXMultiLineErase()
: base()
{
}
#endregion
#region Override Methods
protected override void Initialize()
{
base.Initialize();
dxGraph = new DXGraphSurfaceMultiErase() { 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 OnSetCrossThreadFields()
{
base.OnSetCrossThreadFields();
this.Dispatcher.Invoke(() =>
{
_markerBrush = MarkerBrush;
_markerStrokeWidth = MarkerStrokeWidth;
_showMarker = ShowMarker;
}, DispatcherPriority.Send);
}
protected override void OnClearGraph()
{
base.OnClearGraph();
_currentReplaceIndex = 0;
_endReached = false;
}
protected internal override void OnRenderGraph()
{
if (_graphController != null && _graphController.dataSeriesCollection.Count > 0 && _graphController.TotalPoints > 0 && _width > 1 && _height > 1)
{
var pointsCollection = _graphController.GetAndClearAllPoints();
int toIncrease = pointsCollection[0].Count;
if (!_isPaused)
{
for (int i = 0; i < pointsCollection.Count; i++)
{
var points = pointsCollection[i];
int polyReplaceIndex = _currentReplaceIndex;
for (int j = 0; j < points.Count; j++)
{
double value = points[j];
NormalizeValue(ref value);
if (_graphPolygons[i].Count > _maxPoints)
{
_graphPolygons[i].Replace(value, polyReplaceIndex++);
}
else
{
_graphPolygons[i].Add(value);
}
if (polyReplaceIndex > _graphPolygons[i].Count - 1)
{
polyReplaceIndex = 0;
}
}
}
if (_graphPolygons[0].Count > _maxPoints)
{
if (_endReached)
{
_currentReplaceIndex += toIncrease;
}
else
{
_currentReplaceIndex = 0;
_endReached = true;
}
}
if (_currentReplaceIndex > _graphPolygons[0].Count - 1)
{
_currentReplaceIndex = 0;
}
}
}
updateCounter++;
if (updateCounter >= 1)
{
updateCounter = 0;
if (!_disableRendering)
{
OnDrawVisuals();
}
}
}
protected override void OnDrawVisuals()
{
if (_graphPolygons[0].Count > 0)
{
double markerPosition = 0;
if (_currentReplaceIndex > 0)
{
markerPosition = (((_currentReplaceIndex - 1) * (_width / (_graphPolygons[0].Count - 1)) + _offSetX));
}
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 DXGraphSurfaceMultiErase).SetProperties(
polygonPoints,
_fillGraph ? polygonPointsFill : null,
strokes,
_strokeWidth,
_fillGraph,
fills,
_antialiased,
_markerBrush,
markerPosition,
_showMarker,
_markerStrokeWidth);
dxGraph.EnableRendering();
}
}
#endregion
}
}
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