UIElement[] IView2DRenderer.Generate()
{
int nser = _dataInfo.nser;
int npts = _dataInfo.npts;
if ((nser == 0) || (npts == 0))
{
return(null);
}
IPlotElement element = null;
if (base.Symbol is PlotElement)
{
element = ((PlotElement)base.Symbol).Clone() as IPlotElement;
}
List <UIElement> objects = new List <UIElement>();
for (int i = 0; i < nser; i++)
{
DataSeries ds = (DataSeries)base.Series[i];
ds.Children.Clear();
objects.Add(ds);
if (ds.SymbolShape == null)
{
ds.SymbolShape = base.StyleGen.Next();
}
ShapeStyle symbolShape = ds.SymbolShape;
double[,] values = ds.GetValues();
if (values != null)
{
int length = values.GetLength(1);
int num5 = values.GetLength(0);
RenderContext rc = new RenderContext(this, ds, length)
{
Bounds = CoordConverter.ViewBounds
};
for (int j = 0; j < length; j++)
{
if (base.ColorScheme == ColorScheme.Point)
{
symbolShape = base.StyleGen.GetStyle(j);
}
double y = values[0, j];
double x = (num5 >= 2) ? values[1, j] : ((double)j);
bool flag = false;
Style style = base.GetStyle(ds, i, j);
IPlotElement pe = base.CreateElement(ds.Symbol, style);
if (pe == null)
{
pe = PlotElement.SymbolFromMarker(ds.SymbolMarker);
if ((pe != null) && (style != null))
{
pe.Style = style;
}
}
if ((pe == null) && ds.ChartType.HasValue)
{
ChartSubtype subtype = ChartTypes.GetSubtype(ds.ChartType.ToString());
if (subtype != null)
{
pe = base.CreateElement(subtype.Symbol, style);
}
}
else if (((pe == null) && ds.IsDefaultSymbol) && (element != null))
{
pe = element;
pe.Style = style;
element = ((PlotElement)base.Symbol).Clone() as IPlotElement;
}
if ((pe == null) && ((ds.PointLabelTemplate != null) || (ds.PointTooltipTemplate != null)))
{
DotSymbol symbol = new DotSymbol();
symbol.Fill = TransparentBrush;
symbol.Size = new Size(5.0, 5.0);
symbol.Stroke = TransparentBrush;
pe = symbol;
flag = true;
}
Point point = CoordConverter.ConvertPoint(new Point(x, y));
Axis auxAxis = GetAuxAxis(j);
if (auxAxis != null)
{
ChartViewport2D coordConverter = CoordConverter as ChartViewport2D;
if (coordConverter != null)
{
point = coordConverter.ConvertPoint(new Point(x, y), base.Chart.View.AxisX, auxAxis);
}
}
rc.SetPoint(j, point.X, point.Y);
if (!double.IsNaN(point.X) && !double.IsNaN(point.Y))
{
DataPoint dp = ds.CreateDataPoint(i, j);
UIElement element3 = base.RenderElement(objects, pe, ds, rc, symbolShape, dp);
if ((element3 != null) && flag)
{
Canvas.SetZIndex(element3, 2);
}
}
}
PlotElement element4 = base.RenderConnection(ds, rc, i);
if (element4 != null)
{
element4.DataPoint = ds.CreateDataPoint(i, -1);
ds.Children.Insert(0, element4);
}
}
}
return(objects.ToArray());
}
protected override bool Render(RenderContext rc)
{
Point[] points = rc.Points;
if (points == null)
{
return(false);
}
Rect clipBounds = rc.ClipBounds;
if (_xinc)
{
points = ClipPoints(rc.Bounds, points);
}
clipBounds = Utils.InflateRect(clipBounds, base.StrokeThickness, base.StrokeThickness);
bool isCustomClipping = rc.IsCustomClipping;
double naN = double.NaN;
if ((rc.OptimizationRadiusScope & OptimizationRadiusScope.Lines) > ((OptimizationRadiusScope)0))
{
naN = rc.OptimizationRadius;
}
// uno不支持Path.Data为非PathGeometry！
// wasm中在给Path.Data赋值前内容必须完整，后添加的Figures无效！众里寻他千百度，因为赋值没按顺序，操！
PathGeometry geometry = new PathGeometry();
if (rc.hasNan)
{
List <Point[]> list = SplitPointsWithHoles(points);
if (list != null)
{
for (int i = 0; i < list.Count; i++)
{
PathFigure[] figureArray = RenderSegment(list[i], naN, isCustomClipping ? clipBounds : Extensions.EmptyRect);
int length = figureArray.Length;
for (int j = 0; j < length; j++)
{
geometry.Figures.Add(figureArray[j]);
}
}
}
}
else
{
PathFigure[] figureArray2 = RenderSegment(points, naN, isCustomClipping ? clipBounds : Extensions.EmptyRect);
if (figureArray2 != null)
{
int num5 = figureArray2.Length;
for (int k = 0; k < num5; k++)
{
geometry.Figures.Add(figureArray2[k]);
}
}
}
Data = geometry;
_labelRect = clipBounds;
if (!isCustomClipping)
{
RectangleGeometry geometry2 = new RectangleGeometry();
geometry2.Rect = clipBounds;
base.Clip = geometry2;
}
return(true);
}