public static MarkerPainter CreatePainter(DataMarkerType type, PositionAdapter adapter, Color markerColor,
Control.ControlCollection containers)
{
switch (type)
{
case DataMarkerType.Square:
return(new SquareMarkerPainter(adapter, markerColor, containers));
break;
case DataMarkerType.Circle:
return(new CircleMarkerPainter(adapter, markerColor, containers));
break;
case DataMarkerType.Diamond:
return(new DiamondMarkerPainter(adapter, markerColor, containers));
break;
case DataMarkerType.Triangle:
return(new TriangleMarkerPainter(adapter, markerColor, containers));
break;
case DataMarkerType.Cross:
return(new CrossMarkerPainter(adapter, markerColor, containers));
break;
default:
throw new ArgumentOutOfRangeException(nameof(type), type, null);
}
}
protected MarkerPainter(DataMarkerType type, PositionAdapter adapter, Color color, Control.ControlCollection container)
{
const int defaultMarkerCount = 100;
this.Type = type;
this._adapter = adapter;
this.Color = color;
this.Markers = new List <MarkerControl>(defaultMarkerCount);
this._container = container;
}
internal void Show(IList <double> xValue, IList <double> yValue, Color markerColor, DataMarkerType markerType, EasyChartXAxis.PlotAxis xAxis, EasyChartXAxis.PlotAxis yAxis)
{
if (null == xValue || null == yValue || 0 == xValue.Count || 0 == yValue.Count || xValue.Count != yValue.Count)
{
throw new ArgumentException("Invalid Marker data.");
}
this._shownCount++;
if (_painters.Count < _shownCount || markerType != _painters[_shownCount - 1].Type)
{
MarkerPainter painter = MarkerPainter.CreatePainter(markerType, _adapter, markerColor, _baseChart.Controls);
while (_painters.Count > _shownCount)
{
_painters.RemoveAt(_painters.Count - 1);
}
_painters.Add(painter);
}
if (!_isShown)
{
_adapter.RefreshPosition();
}
int index = _shownCount - 1;
_painters[index].Initialize(markerColor, MarkerSize, xAxis, yAxis, _parentPlotArea);
_painters[index].InitializeMarkerControls(xValue, yValue);
_painters[index].RefreshMarkerPosition();
this.IsShown = true;
}
