public void PaintPreprocessing(System.Drawing.Graphics g, IPaintContext paintContext, IPlotArea layer, PlotItemCollection coll)
{
if (!CanUseStyle(layer, coll, out var plotDataDict))
{
return;
}
else
{
paintContext.AddValue(this, plotDataDict);
}
AltaxoVariant[] ysumArray = null;
foreach (IGPlotItem pi in coll)
{
if (pi is G2DPlotItem)
{
var gpi = pi as G2DPlotItem;
Processed2DPlotData pdata = plotDataDict[gpi];
ysumArray = AbsoluteStackTransform.AddUp(ysumArray, pdata);
}
}
// now plot the data - the summed up y is in yArray
AltaxoVariant[] yArray = null;
Processed2DPlotData previousItemData = null;
foreach (IGPlotItem pi in coll)
{
if (pi is G2DPlotItem)
{
var gpi = pi as G2DPlotItem;
Processed2DPlotData pdata = plotDataDict[gpi];
yArray = AbsoluteStackTransform.AddUp(yArray, pdata);
var localArray = new AltaxoVariant[yArray.Length];
int j = -1;
foreach (int originalIndex in pdata.RangeList.OriginalRowIndices())
{
j++;
AltaxoVariant y = 100 * yArray[j] / ysumArray[j];
localArray[j] = y;
var rel = new Logical3D(
layer.XAxis.PhysicalVariantToNormal(pdata.GetXPhysical(originalIndex)),
layer.YAxis.PhysicalVariantToNormal(y));
layer.CoordinateSystem.LogicalToLayerCoordinates(rel, out var xabs, out var yabs);
pdata.PlotPointsInAbsoluteLayerCoordinates[j] = new System.Drawing.PointF((float)xabs, (float)yabs);
}
// we have also to exchange the accessor for the physical y value and replace it by our own one
pdata.YPhysicalAccessor = new IndexedPhysicalValueAccessor(delegate(int i)
{ return(localArray[i]); });
pdata.PreviousItemData = previousItemData;
previousItemData = pdata;
}
}
}
public AbsoluteStackTransform(AbsoluteStackTransform from)
{
}
public AbsoluteStackTransform(AbsoluteStackTransform from)
{
}
private static bool CanUseStyle(IPlotArea layer, PlotItemCollection coll, out Dictionary <G2DPlotItem, Processed2DPlotData> plotDataList)
{
return(AbsoluteStackTransform.CanUseStyle(layer, coll, out plotDataList));
}
public object Deserialize(object o, Altaxo.Serialization.Xml.IXmlDeserializationInfo info, object parent)
{
AbsoluteStackTransform s = null != o ? (AbsoluteStackTransform)o : new AbsoluteStackTransform();
return(s);
}