private ContainerVisual CreateOhlcStick(ContainerVisual parentSpriteVisual, OhlcDataPoint ohlcDataPoint)
{
int thickness = 2;
var numericalPlot = ohlcDataPoint.numericalPlot;
var boxHeight = ohlcDataPoint.layoutSlot.Height;
var boxWidth = ohlcDataPoint.layoutSlot.Width;
double leftTickValue = numericalPlot.PhysicalOpen;
double rightTickValue = numericalPlot.PhysicalClose;
double halfBoxWidth = (int)(0.5 * boxWidth);
if (parentSpriteVisual.Children.Count == 0)
{
this.GenerateContainerVisualChildren(parentSpriteVisual, 3);
}
var opacity = ohlcDataPoint.IsFalling ? 0.5 : 1;
this.ohlcBrush.Opacity = opacity;
this.PositionOhlcDataPointVisual(parentSpriteVisual, 0, new Vector3((float)halfBoxWidth, 0, 0), new Vector2(thickness, (float)boxHeight), this.ohlcBrush);
this.PositionOhlcDataPointVisual(parentSpriteVisual, 1, new Vector3(0, (float)leftTickValue, 0), new Vector2((float)halfBoxWidth, thickness), this.ohlcBrush);
this.PositionOhlcDataPointVisual(parentSpriteVisual, 2, new Vector3((float)halfBoxWidth, (float)rightTickValue, 0), new Vector2((float)halfBoxWidth, thickness), this.ohlcBrush);
return(parentSpriteVisual);
}
protected override void InitializeBinding(DataPointBindingEntry binding)
{
OhlcDataPoint dataPoint = binding.DataPoint as OhlcDataPoint;
if (this.highBinding != null)
{
object value = this.highBinding.GetValue(binding.DataItem);
double doubleValue;
if (NumericConverter.TryConvertToDouble(value, out doubleValue))
{
dataPoint.High = doubleValue;
}
}
if (this.lowBinding != null)
{
object value = this.lowBinding.GetValue(binding.DataItem);
double doubleValue;
if (NumericConverter.TryConvertToDouble(value, out doubleValue))
{
dataPoint.Low = doubleValue;
}
}
if (this.openBinding != null)
{
object value = this.openBinding.GetValue(binding.DataItem);
double doubleValue;
if (NumericConverter.TryConvertToDouble(value, out doubleValue))
{
dataPoint.Open = doubleValue;
}
}
if (this.closeBinding != null)
{
object value = this.closeBinding.GetValue(binding.DataItem);
double doubleValue;
if (NumericConverter.TryConvertToDouble(value, out doubleValue))
{
dataPoint.Close = doubleValue;
}
}
base.InitializeBinding(binding);
}
private ContainerVisual CreateCandleStick(ContainerVisual parentSpriteVisual, OhlcDataPoint ohlcDataPoint)
{
int thickness = 2;
var numericalPlot = ohlcDataPoint.numericalPlot;
var boxHeight = ohlcDataPoint.layoutSlot.Height;
var boxWidth = ohlcDataPoint.layoutSlot.Width;
double upperShadowMinValue = Math.Min(numericalPlot.PhysicalOpen, numericalPlot.PhysicalClose);
double lowerShadowMaxValue = Math.Max(numericalPlot.PhysicalOpen, numericalPlot.PhysicalClose);
double halfBoxWidth = (int)(0.5 * boxWidth);
if (parentSpriteVisual.Children.Count == 0)
{
this.GenerateContainerVisualChildren(parentSpriteVisual, 8);
}
this.PositionOhlcDataPointVisual(parentSpriteVisual, 0, new Vector3((float)halfBoxWidth, (float)upperShadowMinValue, 0), new Vector2((float)(halfBoxWidth + thickness), thickness), this.ohlcBrush);
this.PositionOhlcDataPointVisual(parentSpriteVisual, 1, new Vector3((float)boxWidth, (float)upperShadowMinValue, 0), new Vector2(thickness, (float)(lowerShadowMaxValue - upperShadowMinValue)), this.ohlcBrush);
this.PositionOhlcDataPointVisual(parentSpriteVisual, 2, new Vector3((float)boxWidth, (float)lowerShadowMaxValue, 0), new Vector2((float)boxWidth, thickness), this.ohlcBrush, 180);
this.PositionOhlcDataPointVisual(parentSpriteVisual, 3, new Vector3(0, (float)lowerShadowMaxValue, 0), new Vector2(thickness, (float)(lowerShadowMaxValue - upperShadowMinValue)), this.ohlcBrush, 180);
this.PositionOhlcDataPointVisual(parentSpriteVisual, 4, new Vector3(0, (float)upperShadowMinValue, 0), new Vector2((float)halfBoxWidth, 2), this.ohlcBrush);
this.PositionOhlcDataPointVisual(parentSpriteVisual, 5, new Vector3((float)halfBoxWidth, 0, 0), new Vector2(thickness, (float)upperShadowMinValue), this.ohlcBrush);
this.PositionOhlcDataPointVisual(parentSpriteVisual, 6, new Vector3((float)halfBoxWidth, (float)lowerShadowMaxValue, 0), new Vector2(thickness, (float)boxHeight - (float)lowerShadowMaxValue), this.ohlcBrush);
var fillBrush = ohlcDataPoint.IsFalling
? new SolidColorBrush(Color.FromArgb(0x00, 0xFF, 0xFF, 0xFF))
: this.telerikChartStrokeBrush;
this.PositionOhlcDataPointVisual(parentSpriteVisual, 7, new Vector3(0, (float)upperShadowMinValue + thickness, 0), new Vector2((float)boxWidth, (float)(lowerShadowMaxValue - upperShadowMinValue - 4)), fillBrush);
return(parentSpriteVisual);
}
