public void PreRender(Graphics g, PlotCollectionSet dataset, int nLookahead)
{
PlotCollection rgData = dataset[m_config.DataIndexOnRender];
List <Tuple <float, float, int> > rgTopRanges;
m_rgHistogram = GraphDataZones.LoadData(rgData, out rgTopRanges, out m_dfMin, out m_dfMax, out m_fTop, out m_fBottom);
// Draw the background zones
for (int i = 0; i < rgTopRanges.Count && i < m_nMaxPeakCount; i++)
{
float fBtm1 = rgTopRanges[i].Item1;
float fTop1 = rgTopRanges[i].Item2;
int nIdx = rgTopRanges[i].Item3;
RectangleF rc = new RectangleF(2.0f, m_fBottom - fTop1, m_gx.TickPositions.Last(), fTop1 - fBtm1);
Color clr = Color.FromArgb(m_nPeakRenderAlpha, m_clrMap.GetColor(m_rgHistogram[nIdx].NormalizedCount));
Brush br = new SolidBrush(clr);
g.FillRectangle(br, rc);
br.Dispose();
}
}
private GraphPlotStyle createStyle(ConfigurationPlot c)
{
if (m_style != null && m_config != null && m_config.Compare(c))
{
return(m_style);
}
if (m_style != null)
{
m_style.Dispose();
}
m_config = c;
GraphPlotStyle style = new SimpleGraphing.GraphPlotStyle(c);
m_idata = null;
m_irender = new GraphRenderLine(m_config, m_gx, m_gy, style);
switch (c.PlotType)
{
case ConfigurationPlot.PLOTTYPE.SMA:
m_idata = new GraphDataSMA(m_config);
break;
case ConfigurationPlot.PLOTTYPE.EMA:
m_idata = new GraphDataEMA(m_config);
break;
case ConfigurationPlot.PLOTTYPE.CANDLE:
m_irender = new GraphRenderCandle(m_config, m_gx, m_gy, style);
break;
case ConfigurationPlot.PLOTTYPE.VOLUME:
m_irender = new GraphRenderVolume(m_config, m_gx, m_gy, style);
break;
case ConfigurationPlot.PLOTTYPE.LINE_FILL:
m_irender = new GraphRenderLineFill(m_config, m_gx, m_gy, style);
break;
case ConfigurationPlot.PLOTTYPE.RSI:
m_idata = new GraphDataRSI(m_config);
m_irender = new GraphRenderRSI(m_config, m_gx, m_gy, style);
break;
case ConfigurationPlot.PLOTTYPE.HIGHLOW:
m_idata = new GraphDataHighLow(m_config);
m_irender = new GraphRenderHighLow(m_config, m_gx, m_gy, style);
break;
case ConfigurationPlot.PLOTTYPE.ZONE:
GraphDataZones gdz = new GraphDataZones(m_config);
gdz.OnScale += Gdz_OnScale;
m_idata = gdz;
m_irender = new GraphRenderZones(m_config, m_gx, m_gy, style);
break;
case ConfigurationPlot.PLOTTYPE.BOLLINGERBANDS:
m_idata = new GraphDataBB(m_config);
m_irender = new GraphRenderBB(m_config, m_gx, m_gy, style);
break;
case ConfigurationPlot.PLOTTYPE.CUSTOM:
IGraphPlotDataEx idata = m_cache.Find(m_config.CustomName, true);
idata.Initialize(m_config);
m_irender = idata.CreateRender(m_config, m_gx, m_gy, style);
m_idata = idata;
break;
}
return(style);
}
