protected override void OnStateChange()
{
if (State == State.SetDefaults)
{
Name = Custom.Resource.NinjaScriptChartStyleKagi;
ChartStyleType = ChartStyleType.KagiLine;
Stroke = new Gui.Stroke(System.Windows.Media.Brushes.LimeGreen, 3)
{
IsOpacityVisible = false
};
Stroke2 = new Gui.Stroke(System.Windows.Media.Brushes.Red, 1)
{
IsOpacityVisible = false
};
}
else if (State == State.Configure)
{
Properties.Remove(Properties.Find("BarWidthUI", true));
Properties.Remove(Properties.Find("DownBrush", true));
Properties.Remove(Properties.Find("UpBrush", true));
SetPropertyName("Stroke", Custom.Resource.NinjaScriptChartStyleKagiThickLine);
SetPropertyName("Stroke2", Custom.Resource.NinjaScriptChartStyleKagiThinLine);
}
}
public override void OnRender(ChartControl chartControl, ChartScale chartScale, ChartBars chartBars)
{
Bars bars = chartBars.Bars;
float barWidth = GetBarPaintWidth(BarWidthUI);
RectangleF rect = new RectangleF();
for (int idx = chartBars.FromIndex; idx <= chartBars.ToIndex; idx++)
{
Brush overriddenBrush = chartControl.GetBarOverrideBrush(chartBars, idx);
Brush overriddenOutlineBrush = chartControl.GetCandleOutlineOverrideBrush(chartBars, idx);
double closeValue = bars.GetClose(idx);
float close = chartScale.GetYByValue(closeValue);
double openValue = bars.GetOpen(idx);
float open = chartScale.GetYByValue(openValue);
float x = chartControl.GetXByBarIndex(chartBars, idx);
Gui.Stroke outlineStroke = closeValue >= openValue ? Stroke : Stroke2;
rect.X = x - barWidth * 0.5f + 0.5f;
rect.Y = Math.Min(open, close);
rect.Width = barWidth - 1;
rect.Height = Math.Max(open, close) - Math.Min(open, close);
Brush b = overriddenBrush ?? (closeValue >= openValue ? UpBrushDX : DownBrushDX);
if (!(b is SolidColorBrush))
{
TransformBrush(b, rect);
}
RenderTarget.FillRectangle(rect, b);
b = overriddenBrush ?? outlineStroke.BrushDX;
if (!(b is SolidColorBrush))
{
TransformBrush(b, rect);
}
RenderTarget.DrawRectangle(rect, overriddenOutlineBrush ?? outlineStroke.BrushDX, outlineStroke.Width, outlineStroke.StrokeStyle);
}
}
