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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.Media.Imaging;
namespace RealTimeGraphEx.FastGraphs
{
/// <summary>
/// Represents a real-time graph with a single scrollable wave form.
/// </summary>
public class RealTimeGraphExWaveScroll : RealTimeGraphExLineScroll
{
#region Constructors
public RealTimeGraphExWaveScroll()
: base()
{
}
#endregion
#region Override Methods
/// <summary>
/// Set the cross thread fields.
/// </summary>
protected override void OnSetCrossThreadFields()
{
base.OnSetCrossThreadFields();
this.Dispatcher.Invoke(() =>
{
_minimum = _maximum * -1;
}, System.Windows.Threading.DispatcherPriority.Send);
}
/// <summary>
/// Draw the actual polygon on the image.
/// </summary>
/// <param name="bmp"></param>
protected override 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();
if (_fillGraph) //Fill Graph
{
bmp.FillPolygon(graphPolygon.ToPolygonPointsWaveFill(_offSetX, _offSetY, _width, _height, scale, ConvertYToImageYFliped), fill);
}
DrawPolyline(bmp, graphPolygon.ToPolygonPoints(_offSetX, _offSetY, scale, ConvertYToImageYFliped), stroke);
DrawPolyline(bmp, graphPolygon.ToPolygonPointsReflection(_offSetX, _offSetY, _height, scale, ConvertYToImageYFliped), stroke);
}
#endregion
}
}
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