/// <summary>
/// Returns a pie in a canvas
/// </summary>
/// <param name="faces">Pie faces</param>
/// <param name="pieParams">Pie parameters</param>
/// <param name="unExplodedPoints">UnExploded dataPoints</param>
/// <param name="explodedPoints">Exploded dataPoints</param>
/// <param name="labelLinePath">Label line path</param>
/// <param name="enabledDataPoints">List of enabled dataPoints</param>
/// <returns>Canvas</returns>
private static Canvas GetPie2D(DataSeries currentDataSeries, ref Faces faces, SectorChartShapeParams pieParams, ref PieDoughnut2DPoints unExplodedPoints, ref PieDoughnut2DPoints explodedPoints, ref Path labelLinePath, List<DataPoint> enabledDataPoints)
{
var noOfNonZeroDataPoint = (from dp in enabledDataPoints where dp.InternalYValue != 0 select dp);
Canvas visual = new Canvas();
Double width = pieParams.OuterRadius * 2;
Double height = pieParams.OuterRadius * 2;
visual.Width = width;
visual.Height = height;
Point center = new Point(width / 2, height / 2);
Double xOffset = pieParams.OuterRadius * pieParams.ExplodeRatio * Math.Cos(pieParams.MeanAngle);
Double yOffset = pieParams.OuterRadius * pieParams.ExplodeRatio * Math.Sin(pieParams.MeanAngle);
#region PieSlice
if (pieParams.StartAngle != pieParams.StopAngle || !pieParams.IsZero)
{
Ellipse ellipse = new Ellipse() { Tag = new ElementData() { Element = pieParams.TagReference } };
ellipse.Width = width;
ellipse.Height = height;
ellipse.Fill = pieParams.Lighting ? Graphics.GetLightingEnabledBrush(pieParams.Background, "Radial", new Double[] { 0.99, 0.745 }) : pieParams.Background;
Point start = new Point();
Point end = new Point();
Point arcMidPoint = new Point();
start.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.StartAngle);
start.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.StartAngle);
end.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.StopAngle);
end.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.StopAngle);
arcMidPoint.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.MeanAngle);
arcMidPoint.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.MeanAngle);
List<PathGeometryParams> clipPathGeometry = new List<PathGeometryParams>();
clipPathGeometry.Add(new LineSegmentParams(start));
clipPathGeometry.Add(new ArcSegmentParams(new Size(pieParams.OuterRadius, pieParams.OuterRadius), 0, ((pieParams.StopAngle - pieParams.StartAngle) > Math.PI) ? true : false, SweepDirection.Clockwise, pieParams.AnimationEnabled ? start : arcMidPoint));
clipPathGeometry.Add(new ArcSegmentParams(new Size(pieParams.OuterRadius, pieParams.OuterRadius), 0, ((pieParams.StopAngle - pieParams.StartAngle) > Math.PI) ? true : false, SweepDirection.Clockwise, pieParams.AnimationEnabled ? start : end));
clipPathGeometry.Add(new LineSegmentParams(center));
ellipse.Clip = GetPathGeometryFromList(FillRule.Nonzero, center, clipPathGeometry, true);
PathSegmentCollection segments = (ellipse.Clip as PathGeometry).Figures[0].Segments;
// apply animation to the individual points that for the pie slice
if (pieParams.AnimationEnabled)
{
// apply animation to the points
pieParams.Storyboard = CreatePathSegmentAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, segments[1], center, pieParams.OuterRadius, currentDataSeries.InternalStartAngle, pieParams.MeanAngle);
pieParams.Storyboard = CreatePathSegmentAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, segments[2], center, pieParams.OuterRadius, currentDataSeries.InternalStartAngle, pieParams.StopAngle);
pieParams.Storyboard = CreatePathSegmentAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, segments[0], center, pieParams.OuterRadius, currentDataSeries.InternalStartAngle, pieParams.StartAngle);
}
faces.Parts.Add(ellipse);
visual.Children.Add(ellipse);
// set the un exploded points for interactivity
unExplodedPoints.Center = center;
unExplodedPoints.OuterArcStart = start;
unExplodedPoints.OuterArcMid = arcMidPoint;
unExplodedPoints.OuterArcEnd = end;
// set the exploded points for interactivity
explodedPoints.Center = new Point(center.X + xOffset, center.Y + yOffset);
explodedPoints.OuterArcStart = new Point(start.X + xOffset, start.Y + yOffset);
explodedPoints.OuterArcMid = new Point(arcMidPoint.X + xOffset, arcMidPoint.Y + yOffset);
explodedPoints.OuterArcEnd = new Point(end.X + xOffset, end.Y + yOffset);
if (enabledDataPoints.Count == 1 || noOfNonZeroDataPoint.Count() == 1)
{
Ellipse borderEllipse = new Ellipse() { IsHitTestVisible = false, Height = ellipse.Height, Width = ellipse.Width };
borderEllipse.SetValue(Canvas.ZIndexProperty, (Int32)10000);
visual.Children.Add(borderEllipse);
faces.BorderElements.Add(borderEllipse);
}
}
#endregion PieSlice
#region Lighting
if ((pieParams.TagReference as DataPoint).InternalYValue != 0 && pieParams.Lighting && (pieParams.StartAngle != pieParams.StopAngle || !pieParams.IsZero))
{
Ellipse lightingEllipse = new Ellipse() { Tag = new ElementData() { Element = pieParams.TagReference } };
lightingEllipse.Width = width;
lightingEllipse.Height = height;
lightingEllipse.IsHitTestVisible = false;
lightingEllipse.Fill = GetPieGradianceBrush();
Point start = new Point();
Point end = new Point();
Point arcMidPoint = new Point();
start.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.StartAngle);
start.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.StartAngle);
end.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.StopAngle);
end.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.StopAngle);
arcMidPoint.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.MeanAngle);
arcMidPoint.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.MeanAngle);
List<PathGeometryParams> clipPathGeometry = new List<PathGeometryParams>();
clipPathGeometry.Add(new LineSegmentParams(start));
clipPathGeometry.Add(new ArcSegmentParams(new Size(pieParams.OuterRadius, pieParams.OuterRadius), 0, ((pieParams.StopAngle - pieParams.StartAngle) > Math.PI) ? true : false, SweepDirection.Clockwise, pieParams.AnimationEnabled ? start : arcMidPoint));
clipPathGeometry.Add(new ArcSegmentParams(new Size(pieParams.OuterRadius, pieParams.OuterRadius), 0, ((pieParams.StopAngle - pieParams.StartAngle) > Math.PI) ? true : false, SweepDirection.Clockwise, pieParams.AnimationEnabled ? start : end));
clipPathGeometry.Add(new LineSegmentParams(center));
lightingEllipse.Clip = GetPathGeometryFromList(FillRule.Nonzero, center, clipPathGeometry, true);
PathSegmentCollection segments = (lightingEllipse.Clip as PathGeometry).Figures[0].Segments;
// apply animation to the individual points that for the shape that
// gives the lighting effect to the pie slice
if (pieParams.AnimationEnabled)
{
// apply animation to the points
pieParams.Storyboard = CreatePathSegmentAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, segments[1], center, pieParams.OuterRadius, currentDataSeries.InternalStartAngle, pieParams.MeanAngle);
pieParams.Storyboard = CreatePathSegmentAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, segments[2], center, pieParams.OuterRadius, currentDataSeries.InternalStartAngle, pieParams.StopAngle);
pieParams.Storyboard = CreatePathSegmentAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, segments[0], center, pieParams.OuterRadius, currentDataSeries.InternalStartAngle, pieParams.StartAngle);
}
visual.Children.Add(lightingEllipse);
}
#endregion Lighting
#region LabelLine
if (pieParams.LabelLineEnabled)
{
Path labelLine = new Path() { Tag = new ElementData() { Element = pieParams.TagReference } };
Double meanAngle = pieParams.MeanAngle;
labelLine.SetValue(Canvas.ZIndexProperty, -100000);
Point piePoint = new Point();
piePoint.X = center.X + pieParams.OuterRadius * Math.Cos(meanAngle);
piePoint.Y = center.Y + pieParams.OuterRadius * Math.Sin(meanAngle);
Point labelPoint = new Point();
labelPoint.X = center.X + pieParams.LabelPoint.X - pieParams.Width / 2;
labelPoint.Y = center.Y + pieParams.LabelPoint.Y - pieParams.Height / 2;
Point midPoint = new Point();
// midPoint.X = (labelPoint.X < center.X) ? labelPoint.X + 10 : labelPoint.X - 10;
if (pieParams.LabelLineTargetToRight)
midPoint.X = labelPoint.X + 10;
else
midPoint.X = labelPoint.X - 10;
midPoint.Y = labelPoint.Y;
List<PathGeometryParams> labelLinePathGeometry = new List<PathGeometryParams>();
labelLinePathGeometry.Add(new LineSegmentParams(pieParams.AnimationEnabled ? piePoint : midPoint));
labelLinePathGeometry.Add(new LineSegmentParams(pieParams.AnimationEnabled ? piePoint : labelPoint));
labelLine.Data = GetPathGeometryFromList(FillRule.Nonzero, piePoint, labelLinePathGeometry, true);
PathFigure figure = (labelLine.Data as PathGeometry).Figures[0];
PathSegmentCollection segments = figure.Segments;
figure.IsClosed = false;
figure.IsFilled = false;
// animate the label lines of the individual pie slices
if (pieParams.AnimationEnabled)
{
pieParams.Storyboard = CreateLabelLineAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, segments[0], piePoint, midPoint);
pieParams.Storyboard = CreateLabelLineAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, segments[1], piePoint, midPoint, labelPoint);
}
labelLine.Stroke = pieParams.LabelLineColor;
labelLine.StrokeDashArray = pieParams.LabelLineStyle;
labelLine.StrokeThickness = pieParams.LabelLineThickness;
labelLinePath = labelLine;
if ((pieParams.TagReference as DataPoint).InternalYValue == 0)
{
Line zeroLine = new Line();
zeroLine.X1 = center.X;
zeroLine.Y1 = center.Y;
zeroLine.X2 = piePoint.X;
zeroLine.Y2 = piePoint.Y;
zeroLine.Stroke = pieParams.LabelLineColor;
zeroLine.StrokeThickness = 0.25;
zeroLine.IsHitTestVisible = false;
visual.Children.Add(zeroLine);
if (pieParams.AnimationEnabled)
{
pieParams.Storyboard = CreateOpacityAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, zeroLine, 2, zeroLine.Opacity, 0.5);
zeroLine.Opacity = 0;
}
}
visual.Children.Add(labelLine);
// set the un exploded points for interactivity
unExplodedPoints.LabelLineEndPoint = labelPoint;
unExplodedPoints.LabelLineMidPoint = midPoint;
unExplodedPoints.LabelLineStartPoint = piePoint;
// set the exploded points for interactivity
explodedPoints.LabelLineEndPoint = new Point(labelPoint.X, labelPoint.Y - yOffset);
explodedPoints.LabelLineMidPoint = new Point(midPoint.X, midPoint.Y - yOffset);
explodedPoints.LabelLineStartPoint = new Point(piePoint.X + xOffset, piePoint.Y + yOffset);
if ((pieParams.TagReference as DataPoint).InternalYValue == 0)
labelLine.IsHitTestVisible = false;
}
#endregion LabelLine
#region Create path for selecting a pie section
Point startPoint = new Point();
Point endPoint = new Point();
startPoint.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.StartAngle);
startPoint.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.StartAngle);
endPoint.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.StopAngle);
endPoint.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.StopAngle);
List<PathGeometryParams> pathGeometry = new List<PathGeometryParams>();
pathGeometry.Add(new LineSegmentParams(center));
pathGeometry.Add(new LineSegmentParams(startPoint));
pathGeometry.Add(new ArcSegmentParams(new Size(pieParams.OuterRadius, pieParams.OuterRadius), 0, pieParams.IsLargerArc, SweepDirection.Clockwise, endPoint));
if ((pieParams.TagReference as DataPoint).InternalYValue != 0)
{
Path p = new Path() { IsHitTestVisible = false };
p.SetValue(Canvas.ZIndexProperty, (Int32)10000);
p.Data = GetPathGeometryFromList(FillRule.Nonzero, center, pathGeometry, true);
visual.Children.Add(p);
faces.BorderElements.Add(p);
}
#endregion
#region Bevel
if (pieParams.Bevel && Math.Abs(pieParams.StartAngle - pieParams.StopAngle) > 0.03 && (pieParams.StartAngle != pieParams.StopAngle))
{
//Point startPoint = new Point();
//Point endPoint = new Point();
//startPoint.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.StartAngle);
//startPoint.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.StartAngle);
//endPoint.X = center.X + pieParams.OuterRadius * Math.Cos(pieParams.StopAngle);
//endPoint.Y = center.Y + pieParams.OuterRadius * Math.Sin(pieParams.StopAngle);
Point bevelCenter = new Point();
Point bevelStart = new Point();
Point bevelEnd = new Point();
Double bevelLength = 4;
Double bevelOuterRadius = Math.Abs(pieParams.OuterRadius - bevelLength);
bevelCenter.X = center.X + bevelLength * Math.Cos(pieParams.MeanAngle);
bevelCenter.Y = center.Y + bevelLength * Math.Sin(pieParams.MeanAngle);
bevelStart.X = center.X + bevelOuterRadius * Math.Cos(pieParams.StartAngle + 0.03);
bevelStart.Y = center.Y + bevelOuterRadius * Math.Sin(pieParams.StartAngle + 0.03);
bevelEnd.X = center.X + bevelOuterRadius * Math.Cos(pieParams.StopAngle - 0.03);
bevelEnd.Y = center.Y + bevelOuterRadius * Math.Sin(pieParams.StopAngle - 0.03);
pathGeometry = new List<PathGeometryParams>();
pathGeometry.Add(new LineSegmentParams(center));
pathGeometry.Add(new LineSegmentParams(startPoint));
pathGeometry.Add(new LineSegmentParams(bevelStart));
pathGeometry.Add(new LineSegmentParams(bevelCenter));
Path path = new Path() { Tag = new ElementData() { Element = pieParams.TagReference } };
path.Data = GetPathGeometryFromList(FillRule.Nonzero, bevelCenter, pathGeometry, true);
if (pieParams.StartAngle > Math.PI * 0.5 && pieParams.StartAngle <= Math.PI * 1.5)
{
path.Fill = GetDarkerBevelBrush(pieParams.Background, pieParams.StartAngle * 180 / Math.PI + 135);
}
else
{
path.Fill = GetLighterBevelBrush(pieParams.Background, -pieParams.StartAngle * 180 / Math.PI);
}
// Apply animation to the beveling path
if (pieParams.AnimationEnabled)
{
pieParams.Storyboard = CreateOpacityAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, path, 1, 1, 1);
path.Opacity = 0;
}
faces.Parts.Add(path);
visual.Children.Add(path);
pathGeometry = new List<PathGeometryParams>();
pathGeometry.Add(new LineSegmentParams(center));
pathGeometry.Add(new LineSegmentParams(endPoint));
pathGeometry.Add(new LineSegmentParams(bevelEnd));
pathGeometry.Add(new LineSegmentParams(bevelCenter));
path = new Path() { Tag = new ElementData() { Element = pieParams.TagReference } };
path.Data = GetPathGeometryFromList(FillRule.Nonzero, bevelCenter, pathGeometry, true);
if (pieParams.StopAngle > Math.PI * 0.5 && pieParams.StopAngle <= Math.PI * 1.5)
{
path.Fill = GetLighterBevelBrush(pieParams.Background, pieParams.StopAngle * 180 / Math.PI + 135);
}
else
{
path.Fill = GetDarkerBevelBrush(pieParams.Background, -pieParams.StopAngle * 180 / Math.PI);
}
// Apply animation to the beveling path
if (pieParams.AnimationEnabled)
{
pieParams.Storyboard = CreateOpacityAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, path, 1, 1, 1);
path.Opacity = 0;
}
faces.Parts.Add(path);
visual.Children.Add(path);
#region "Outer Bevel"
Shape outerBevel;
if (enabledDataPoints.Count == 1 || noOfNonZeroDataPoint.Count() == 1)
{
outerBevel = new Ellipse() { Height = pieParams.OuterRadius * 2, Width = pieParams.OuterRadius * 2, Tag = new ElementData() { Element = pieParams.TagReference } };
GeometryGroup gg = new GeometryGroup();
gg.Children.Add(new EllipseGeometry() { Center = new Point(pieParams.OuterRadius, pieParams.OuterRadius), RadiusX = pieParams.OuterRadius, RadiusY = pieParams.OuterRadius });
gg.Children.Add(new EllipseGeometry() { Center = new Point(pieParams.OuterRadius, pieParams.OuterRadius), RadiusX = bevelOuterRadius, RadiusY = bevelOuterRadius });
outerBevel.Clip = gg;
}
else
{
pathGeometry = new List<PathGeometryParams>();
pathGeometry.Add(new LineSegmentParams(endPoint));
pathGeometry.Add(new ArcSegmentParams(new Size(pieParams.OuterRadius, pieParams.OuterRadius), 0, pieParams.IsLargerArc, SweepDirection.Counterclockwise, startPoint));
pathGeometry.Add(new LineSegmentParams(bevelStart));
pathGeometry.Add(new ArcSegmentParams(new Size(bevelOuterRadius, bevelOuterRadius), 0, pieParams.IsLargerArc, SweepDirection.Clockwise, bevelEnd));
outerBevel = new Path() { Tag = new ElementData() { Element = pieParams.TagReference } };
(outerBevel as Path).Data = GetPathGeometryFromList(FillRule.Nonzero, bevelEnd, pathGeometry, true);
}
if (pieParams.MeanAngle > 0 && pieParams.MeanAngle < Math.PI)
{
outerBevel.Fill = GetCurvedBevelBrush(pieParams.Background, pieParams.MeanAngle * 180 / Math.PI + 90, Graphics.GenerateDoubleCollection(-0.745, -0.85), Graphics.GenerateDoubleCollection(0, 1));
}
else
{
outerBevel.Fill = GetCurvedBevelBrush(pieParams.Background, pieParams.MeanAngle * 180 / Math.PI + 90, Graphics.GenerateDoubleCollection(0.745, -0.99), Graphics.GenerateDoubleCollection(0, 1));
}
// Apply animation to the beveling path
if (pieParams.AnimationEnabled)
{
pieParams.Storyboard = CreateOpacityAnimation(currentDataSeries, pieParams.DataPoint, pieParams.Storyboard, outerBevel, 1, 1, 1);
outerBevel.Opacity = 0;
}
#endregion
faces.Parts.Add(outerBevel);
visual.Children.Add(outerBevel);
}
else
{
faces.Parts.Add(null);
faces.Parts.Add(null);
faces.Parts.Add(null);
}
#endregion LabelLine
return visual;
}
/// <summary>
/// Return visual object for doughnut chart
/// </summary>
/// <param name="width">Width of the PlotArea</param>
/// <param name="height">Height of the PlotArea</param>
/// <param name="plotDetails">PlotDetails reference</param>
/// <param name="seriesList">List of series list</param>
/// <param name="chart">Chart reference</param>
/// <param name="animationEnabled">Whether animation is enabled</param>
/// <returns>Canvas</returns>
internal static Canvas GetVisualObjectForDoughnutChart(Double widthOfPlotArea, Double height, PlotDetails plotDetails, List<DataSeries> seriesList, Chart chart, bool animationEnabled)
{
if (Double.IsNaN(widthOfPlotArea) || Double.IsNaN(height) || widthOfPlotArea <= 0 || height <= 0) return null;
DataSeries currentDataSeries = null;
Canvas visual = new Canvas();
visual.Width = widthOfPlotArea;
visual.Height = height;
DataSeries series = seriesList[0];
if (series.Enabled == false)
return visual;
// List<DataPoint> enabledDataPoints = (from datapoint in series.InternalDataPoints where datapoint.Enabled == true && datapoint.InternalYValue != 0 && !Double.IsNaN(datapoint.InternalYValue) select datapoint).ToList();
List<DataPoint> enabledDataPoints = (from datapoint in series.InternalDataPoints where datapoint.Enabled == true && !Double.IsNaN(datapoint.InternalYValue) select datapoint).ToList();
if ((from dp in enabledDataPoints select dp.InternalYValue).Sum() == 0)
enabledDataPoints.Clear();
Double absoluteSum = plotDetails.GetAbsoluteSumOfDataPoints(enabledDataPoints);
absoluteSum = (absoluteSum == 0) ? 1 : absoluteSum;
Double centerX = widthOfPlotArea / 2;
Double centerY = height / 2;
Double offsetX = 0;
Double offsetY = 0;
Size pieCanvas = new Size();
Canvas labelCanvas = CreateAndPositionLabels(absoluteSum, enabledDataPoints, widthOfPlotArea, height, ((chart.View3D) ? 0.4 : 1), chart.View3D, ref pieCanvas);
Double radius = Math.Min(pieCanvas.Width, pieCanvas.Height) / (chart.View3D ? 1 : 2);
Double startAngle = series.InternalStartAngle;
Double endAngle = 0;
Double angle;
Double meanAngle;
Double absoluteYValue;
Double radiusDiff = 0;
var explodedDataPoints = (from datapoint in series.InternalDataPoints where datapoint.Exploded == true && datapoint.InternalYValue != 0 select datapoint);
radiusDiff = (explodedDataPoints.Count() > 0) ? radius * 0.3 : 0;
if (chart.View3D)
{
_elementPositionData = new List<ElementPositionData>();
}
if (labelCanvas != null)
{
labelCanvas.SetValue(Canvas.ZIndexProperty, 50001);
labelCanvas.IsHitTestVisible = false;
}
if (series.Storyboard == null)
series.Storyboard = new Storyboard();
currentDataSeries = series;
SectorChartShapeParams doughnutParams = null;
Int32 labelStateCounter = 0;
if (!chart.View3D)
{
foreach (DataPoint dataPoint in enabledDataPoints)
{
if (dataPoint.LabelStyle == LabelStyles.Inside || !(Boolean)dataPoint.LabelEnabled)
labelStateCounter++;
}
}
foreach (DataPoint dataPoint in enabledDataPoints)
{
if (Double.IsNaN(dataPoint.InternalYValue))// || dataPoint.InternalYValue == 0)
continue;
absoluteYValue = Math.Abs(dataPoint.InternalYValue);
angle = (absoluteYValue / absoluteSum) * Math.PI * 2;
endAngle = startAngle + angle;
meanAngle = (startAngle + endAngle) / 2;
doughnutParams = new SectorChartShapeParams();
dataPoint.VisualParams = doughnutParams;
doughnutParams.AnimationEnabled = animationEnabled;
doughnutParams.Storyboard = series.Storyboard;
doughnutParams.ExplodeRatio = chart.View3D ? 0.2 : 0.1;
doughnutParams.Center = new Point(centerX, centerY);
doughnutParams.DataPoint = dataPoint;
doughnutParams.InnerRadius = radius / 2;
doughnutParams.OuterRadius = radius;
if (chart.View3D)
{
doughnutParams.StartAngle = doughnutParams.FixAngle((startAngle) % (Math.PI * 2));
doughnutParams.StopAngle = doughnutParams.FixAngle((endAngle) % (Math.PI * 2));
}
else
{
doughnutParams.StartAngle = startAngle;
doughnutParams.StopAngle = endAngle;
}
doughnutParams.Lighting = (Boolean)dataPoint.LightingEnabled;
doughnutParams.Bevel = series.Bevel;
doughnutParams.IsLargerArc = (angle / (Math.PI)) > 1;
doughnutParams.Background = dataPoint.Color;
doughnutParams.Width = widthOfPlotArea;
doughnutParams.Height = height;
doughnutParams.TiltAngle = Math.Asin(0.4);
doughnutParams.Depth = 20 / doughnutParams.YAxisScaling;
doughnutParams.MeanAngle = meanAngle;
doughnutParams.LabelLineEnabled = (Boolean)dataPoint.LabelLineEnabled;
doughnutParams.LabelLineColor = dataPoint.LabelLineColor;
doughnutParams.LabelLineThickness = (Double)dataPoint.LabelLineThickness;
doughnutParams.LabelLineStyle = ExtendedGraphics.GetDashArray((LineStyles)dataPoint.LabelLineStyle);
offsetX = radius * doughnutParams.ExplodeRatio * Math.Cos(meanAngle);
offsetY = radius * doughnutParams.ExplodeRatio * Math.Sin(meanAngle);
doughnutParams.OffsetX = offsetX;
doughnutParams.OffsetY = offsetY * (chart.View3D ? doughnutParams.YAxisScaling : 1);
if (dataPoint.LabelVisual != null)
{
if (dataPoint.LabelVisual.Visibility == Visibility.Collapsed)
doughnutParams.LabelLineEnabled = false;
Double left = (Double)dataPoint.LabelVisual.GetValue(Canvas.LeftProperty);
if (left < widthOfPlotArea / 2)
{
doughnutParams.LabelLineTargetToRight = true;
// pieParams.LabelPoint = new Point((Double)dataPoint.LabelVisual.GetValue(Canvas.LeftProperty) + dataPoint.LabelVisual.DesiredSize.Width, (Double)dataPoint.LabelVisual.GetValue(Canvas.TopProperty) + dataPoint.LabelVisual.DesiredSize.Height / 2);
doughnutParams.LabelPoint = new Point(left + dataPoint.LabelVisual.Width + LabelPlacementHelper.LABEL_LINE_GAP, (Double)dataPoint.LabelVisual.GetValue(Canvas.TopProperty) + dataPoint.LabelVisual.Height / 2);
}
else
{
doughnutParams.LabelLineTargetToRight = false;
doughnutParams.LabelPoint = new Point(left - LabelPlacementHelper.LABEL_LINE_GAP, (Double)dataPoint.LabelVisual.GetValue(Canvas.TopProperty) + dataPoint.LabelVisual.Height / 2);
}
//if ((Double)dataPoint.LabelVisual.GetValue(Canvas.LeftProperty) < width / 2)
//{
// doughnutParams.LabelPoint = new Point((Double)dataPoint.LabelVisual.GetValue(Canvas.LeftProperty) + dataPoint.LabelVisual.Width + LABEL_LINE_GAP, (Double)dataPoint.LabelVisual.GetValue(Canvas.TopProperty) + dataPoint.LabelVisual.Height / 2);
//}
//else
//{
// doughnutParams.LabelPoint = new Point((Double)dataPoint.LabelVisual.GetValue(Canvas.LeftProperty) - LABEL_LINE_GAP, (Double)dataPoint.LabelVisual.GetValue(Canvas.TopProperty) + dataPoint.LabelVisual.Height / 2);
//}
// apply animation to the labels
if (animationEnabled)
{
series.Storyboard = CreateOpacityAnimation(currentDataSeries, doughnutParams.DataPoint, series.Storyboard, dataPoint.LabelVisual, 2, 1, 0.5);
dataPoint.LabelVisual.Opacity = 0;
}
}
if (dataPoint.LabelStyle == LabelStyles.Inside && dataPoint.InternalYValue == 0)
doughnutParams.LabelLineEnabled = false;
Faces faces = new Faces();
faces.Parts = new List<DependencyObject>();
doughnutParams.TagReference = dataPoint;
if (chart.View3D)
{
PieDoughnut3DPoints unExplodedPoints = new PieDoughnut3DPoints();
PieDoughnut3DPoints explodedPoints = new PieDoughnut3DPoints();
List<Shape> doughnutFaces = GetDoughnut3D(currentDataSeries, ref faces, doughnutParams, ref unExplodedPoints, ref explodedPoints, ref dataPoint.LabelLine, enabledDataPoints);
foreach (Shape path in doughnutFaces)
{
if (path != null)
{
visual.Children.Add(path);
faces.VisualComponents.Add(path);
faces.BorderElements.Add(path);
path.RenderTransform = new TranslateTransform();
// apply animation to the 3D sections
if (animationEnabled)
{
series.Storyboard = CreateOpacityAnimation(currentDataSeries, doughnutParams.DataPoint, series.Storyboard, path, 1.0 / (series.InternalDataPoints.Count) * (series.InternalDataPoints.IndexOf(dataPoint)), dataPoint.InternalOpacity, 0.5);
path.Opacity = 0;
}
}
}
if (dataPoint.LabelLine != null && doughnutParams.LabelLineEnabled)
{
dataPoint.LabelLine.RenderTransform = new TranslateTransform();
visual.Children.Add(dataPoint.LabelLine);
if (dataPoint.InternalYValue == 0)
{
Double yOffset = doughnutParams.YAxisScaling;
Line zeroLine = new Line();
zeroLine.X1 = doughnutParams.Center.X + doughnutParams.InnerRadius * Math.Cos(doughnutParams.MeanAngle);
zeroLine.Y1 = doughnutParams.Center.Y + doughnutParams.InnerRadius * Math.Sin(doughnutParams.MeanAngle);
zeroLine.Y1 -= offsetY;
zeroLine.Y1 += doughnutParams.Depth / 2 * doughnutParams.ZAxisScaling;
zeroLine.X2 = unExplodedPoints.LabelLineStartPoint.X;
zeroLine.Y2 = unExplodedPoints.LabelLineStartPoint.Y;
zeroLine.Stroke = doughnutParams.LabelLineColor;
zeroLine.StrokeThickness = 0.25;
zeroLine.IsHitTestVisible = false;
visual.Children.Add(zeroLine);
if (animationEnabled)
{
series.Storyboard = CreateOpacityAnimation(currentDataSeries, doughnutParams.DataPoint, series.Storyboard, zeroLine, 2, zeroLine.Opacity, 0.5);
zeroLine.Opacity = 0;
}
}
faces.VisualComponents.Add(dataPoint.LabelLine);
}
faces.Visual = visual;
UpdateExplodedPosition(doughnutParams, dataPoint, offsetX, unExplodedPoints, explodedPoints, widthOfPlotArea);
///------------------------
dataPoint.ExplodeAnimation = new Storyboard();
dataPoint.ExplodeAnimation = CreateExplodingOut3DAnimation(currentDataSeries, dataPoint, dataPoint.ExplodeAnimation, doughnutFaces, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, unExplodedPoints, explodedPoints, doughnutParams.OffsetX, doughnutParams.OffsetY);
dataPoint.UnExplodeAnimation = new Storyboard();
dataPoint.UnExplodeAnimation = CreateExplodingIn3DAnimation(currentDataSeries, dataPoint, dataPoint.UnExplodeAnimation, doughnutFaces, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, unExplodedPoints, explodedPoints, doughnutParams.OffsetX, doughnutParams.OffsetY);
}
else
{
PieDoughnut2DPoints unExplodedPoints = new PieDoughnut2DPoints();
PieDoughnut2DPoints explodedPoints = new PieDoughnut2DPoints();
if (labelStateCounter == enabledDataPoints.Count)
{
doughnutParams.OuterRadius -= doughnutParams.OuterRadius * doughnutParams.ExplodeRatio;
doughnutParams.InnerRadius = doughnutParams.OuterRadius / 2;
}
Canvas pieVisual = GetDoughnut2D(currentDataSeries, ref faces, doughnutParams, ref unExplodedPoints, ref explodedPoints, ref dataPoint.LabelLine, enabledDataPoints);
UpdateExplodedPosition(doughnutParams, dataPoint, offsetX, unExplodedPoints, explodedPoints, widthOfPlotArea);
TranslateTransform translateTransform = new TranslateTransform();
pieVisual.RenderTransform = translateTransform;
dataPoint.ExplodeAnimation = new Storyboard();
dataPoint.ExplodeAnimation = CreateExplodingOut2DAnimation(currentDataSeries, dataPoint, dataPoint.ExplodeAnimation, pieVisual, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, translateTransform, unExplodedPoints, explodedPoints, offsetX, offsetY);
dataPoint.UnExplodeAnimation = new Storyboard();
dataPoint.UnExplodeAnimation = CreateExplodingIn2DAnimation(currentDataSeries, dataPoint, dataPoint.UnExplodeAnimation, pieVisual, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, translateTransform, unExplodedPoints, explodedPoints, offsetX, offsetY);
pieVisual.SetValue(Canvas.TopProperty, height / 2 - pieVisual.Height / 2);
pieVisual.SetValue(Canvas.LeftProperty, widthOfPlotArea / 2 - pieVisual.Width / 2);
visual.Children.Add(pieVisual);
faces.VisualComponents.Add(pieVisual);
faces.Visual = pieVisual;
}
dataPoint.Faces = faces;
startAngle = endAngle;
if (!chart.AnimationEnabled || chart.IsInDesignMode || !chart.ChartArea._isFirstTimeRender)
{
if (dataPoint.Faces != null)
{
foreach (Shape shape in dataPoint.Faces.BorderElements)
{
InteractivityHelper.ApplyBorderEffect(shape, (BorderStyles)dataPoint.BorderStyle, dataPoint.InternalBorderThickness.Left, dataPoint.BorderColor);
}
}
}
}
if (chart.View3D)
{
Int32 zindex1, zindex2;
_elementPositionData.Sort(ElementPositionData.CompareAngle);
zindex1 = 1000;
zindex2 = -1000;
for (Int32 i = 0; i < _elementPositionData.Count; i++)
{
SetZIndex(_elementPositionData[i].Element, ref zindex1, ref zindex2, _elementPositionData[i].StartAngle);
}
}
if (labelCanvas != null)
visual.Children.Add(labelCanvas);
RectangleGeometry clipRectangle = new RectangleGeometry();
clipRectangle.Rect = new Rect(0, 0, widthOfPlotArea, height);
visual.Clip = clipRectangle;
return visual;
}
/// <summary>
/// Create exploding in animation for 2D Pie/Doughnut
/// </summary>
/// <param name="dataPoint">DataPoint</param>
/// <param name="storyboard">Stroyboard used for animation</param>
/// <param name="pathElements">Path elements reference</param>
/// <param name="label">Label reference</param>
/// <param name="labelLine">Label line reference</param>
/// <param name="unExplodedPoints">Unexploded points</param>
/// <param name="explodedPoints">Exploded points</param>
/// <param name="xOffset">X offset</param>
/// <param name="yOffset">Y offset</param>
/// <returns>Storyboard</returns>
private static Storyboard CreateExplodingIn2DAnimation(DataSeries currentDataSeries, DataPoint dataPoint, Storyboard storyboard, Panel visual, Panel label, Path labelLine, TranslateTransform translateTransform, PieDoughnut2DPoints unExplodedPoints, PieDoughnut2DPoints explodedPoints, Double xOffset, Double yOffset)
{
#region Animating Silce
DoubleCollection values = Graphics.GenerateDoubleCollection(xOffset, 0);
DoubleCollection frames = Graphics.GenerateDoubleCollection(0, 0.4);
List<KeySpline> splines = AnimationHelper.GenerateKeySplineList
(
new Point(0, 0), new Point(1, 1),
new Point(0, 0), new Point(0, 1)
);
DoubleAnimationUsingKeyFrames sliceXAnimation = CreateDoubleAnimation(currentDataSeries, dataPoint, translateTransform, "(TranslateTransform.X)", 0, frames, values, splines);
values = Graphics.GenerateDoubleCollection(yOffset, 0);
frames = Graphics.GenerateDoubleCollection(0, 0.4);
splines = AnimationHelper.GenerateKeySplineList
(
new Point(0, 0), new Point(1, 1),
new Point(0, 0), new Point(0, 1)
);
DoubleAnimationUsingKeyFrames sliceYAnimation = CreateDoubleAnimation(currentDataSeries, dataPoint, translateTransform, "(TranslateTransform.Y)", 0, frames, values, splines);
storyboard.Children.Add(sliceXAnimation);
storyboard.Children.Add(sliceYAnimation);
#endregion Animating Silce
#region Animating Label
if (dataPoint.LabelStyle == LabelStyles.Inside)
{
if (label != null)
{
translateTransform = label.RenderTransform as TranslateTransform;
values = Graphics.GenerateDoubleCollection(xOffset, 0);
frames = Graphics.GenerateDoubleCollection(0, 0.4);
splines = AnimationHelper.GenerateKeySplineList
(
new Point(0, 0), new Point(1, 1),
new Point(0, 0), new Point(0, 1)
);
DoubleAnimationUsingKeyFrames labelXAnimation = CreateDoubleAnimation(currentDataSeries, dataPoint, translateTransform, "(TranslateTransform.X)", 0, frames, values, splines);
values = Graphics.GenerateDoubleCollection(yOffset, 0);
frames = Graphics.GenerateDoubleCollection(0, 0.4);
splines = AnimationHelper.GenerateKeySplineList
(
new Point(0, 0), new Point(1, 1),
new Point(0, 0), new Point(0, 1)
);
DoubleAnimationUsingKeyFrames labelYAnimation = CreateDoubleAnimation(currentDataSeries, dataPoint, translateTransform, "(TranslateTransform.Y)", 0, frames, values, splines);
storyboard.Children.Add(labelXAnimation);
storyboard.Children.Add(labelYAnimation);
}
}
else
{
values = Graphics.GenerateDoubleCollection(explodedPoints.LabelPosition.X, unExplodedPoints.LabelPosition.X);
frames = Graphics.GenerateDoubleCollection(0, 0.4);
splines = AnimationHelper.GenerateKeySplineList
(
new Point(0, 0), new Point(1, 1),
new Point(0, 0), new Point(0, 1)
);
DoubleAnimationUsingKeyFrames labelXAnimation = CreateDoubleAnimation(currentDataSeries, dataPoint, label, "(Canvas.Left)", 0, frames, values, splines);
storyboard.Children.Add(labelXAnimation);
}
#endregion Animating Label
#region Animating Label Line
if (labelLine != null)
{
PathFigure figure = (labelLine.Data as PathGeometry).Figures[0];
PathSegmentCollection segments = figure.Segments;
storyboard = CreateLabelLineInteractivityAnimation(currentDataSeries, dataPoint, storyboard, segments[0], explodedPoints.LabelLineMidPoint, unExplodedPoints.LabelLineMidPoint);
storyboard = CreateLabelLineInteractivityAnimation(currentDataSeries, dataPoint, storyboard, segments[1], explodedPoints.LabelLineEndPoint, unExplodedPoints.LabelLineEndPoint);
}
#endregion Animating Label Line
return storyboard;
}
/// <summary>
/// Create3DPie
/// </summary>
/// <param name="width">Visual width</param>
/// <param name="height">Visual height</param>
/// <param name="series">DataSeries</param>
/// <param name="enabledDataPoints"> Enabled InternalDataPoints in the DataSeries</param>
/// <param name="dataPoint">DataPoint reference</param>
/// <param name="visual">visual canvas reference</param>
/// <param name="faces">Visual faces</param>
/// <param name="pieParams">Pie parameters</param>
/// <param name="offsetX">X offset</param>
/// <param name="offsetX">Y offset</param>
/// <param name="zindex">Z index of the pie</param>
/// <param name="isAnimationEnabled">Whether animation is enabled</param>
/// <param name="labelStyleCounter">labelStyle count</param>
private static void Create2DPie(DataSeries currentDataSeries, Double widthOfPlotArea, Double height, DataSeries series, List<DataPoint> enabledDataPoints, DataPoint dataPoint, ref Canvas visual, ref Faces faces, ref SectorChartShapeParams pieParams, ref Double offsetX, ref Double offsetY, ref Int32 zindex, Boolean isAnimationEnabled, Int32 labelStateCount)
{
#region 2D Pie
PieDoughnut2DPoints unExplodedPoints = new PieDoughnut2DPoints();
PieDoughnut2DPoints explodedPoints = new PieDoughnut2DPoints();
pieParams.TagReference = dataPoint;
if (labelStateCount == enabledDataPoints.Count)
pieParams.OuterRadius -= pieParams.OuterRadius * pieParams.ExplodeRatio;
Canvas pieVisual = GetPie2D(currentDataSeries, ref faces, pieParams, ref unExplodedPoints, ref explodedPoints, ref dataPoint.LabelLine, enabledDataPoints);
UpdateExplodedPosition(pieParams, dataPoint, offsetX, unExplodedPoints, explodedPoints, widthOfPlotArea);
TranslateTransform translateTransform = new TranslateTransform();
pieVisual.RenderTransform = translateTransform;
dataPoint.ExplodeAnimation = new Storyboard();
dataPoint.ExplodeAnimation = CreateExplodingOut2DAnimation(currentDataSeries, dataPoint, dataPoint.ExplodeAnimation, pieVisual, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, translateTransform, unExplodedPoints, explodedPoints, offsetX, offsetY);
dataPoint.UnExplodeAnimation = new Storyboard();
dataPoint.UnExplodeAnimation = CreateExplodingIn2DAnimation(currentDataSeries, dataPoint, dataPoint.UnExplodeAnimation, pieVisual, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, translateTransform, unExplodedPoints, explodedPoints, offsetX, offsetY);
pieVisual.SetValue(Canvas.TopProperty, height / 2 - pieVisual.Height / 2);
pieVisual.SetValue(Canvas.LeftProperty, widthOfPlotArea / 2 - pieVisual.Width / 2);
visual.Children.Add(pieVisual);
faces.VisualComponents.Add(pieVisual);
faces.Visual = pieVisual;
#endregion
}
/// <summary>
/// Create3DPie
/// </summary>
/// <param name="width">Visual width</param>
/// <param name="height">Visual height</param>
/// <param name="series">DataSeries</param>
/// <param name="enabledDataPoints"> Enabled InternalDataPoints in the DataSeries</param>
/// <param name="dataPoint">DataPoint reference</param>
/// <param name="visual">visual canvas reference</param>
/// <param name="faces">Visual faces</param>
/// <param name="pieParams">Pie parameters</param>
/// <param name="offsetX">X offset</param>
/// <param name="offsetX">Y offset</param>
/// <param name="zindex">Z index of the pie</param>
/// <param name="isAnimationEnabled">Whether animation is enabled</param>
/// <param name="labelStyleCounter">labelStyle count</param>
private static void Create2DPie(DataSeries currentDataSeries, Double widthOfPlotArea, Double height, DataSeries series, List<DataPoint> enabledDataPoints, DataPoint dataPoint, ref Canvas visual, ref Faces faces, ref SectorChartShapeParams pieParams, ref Double offsetX, ref Double offsetY, ref Int32 zindex, Boolean isAnimationEnabled, Int32 labelStateCount)
{
#region 2D Pie
PieDoughnut2DPoints unExplodedPoints = new PieDoughnut2DPoints();
PieDoughnut2DPoints explodedPoints = new PieDoughnut2DPoints();
pieParams.TagReference = dataPoint;
if (labelStateCount == enabledDataPoints.Count)
pieParams.OuterRadius -= pieParams.OuterRadius * pieParams.ExplodeRatio;
Canvas pieVisual = GetPie2D(currentDataSeries, ref faces, pieParams, ref unExplodedPoints, ref explodedPoints, ref dataPoint.LabelLine, enabledDataPoints);
UpdateExplodedPosition(pieParams, dataPoint, offsetX, unExplodedPoints, explodedPoints, widthOfPlotArea);
pieParams.ExplodedPoints = explodedPoints;
pieParams.UnExplodedPoints = unExplodedPoints;
TranslateTransform translateTransform = new TranslateTransform();
pieVisual.RenderTransform = translateTransform;
if ((Boolean)(currentDataSeries.Chart as Chart).AnimatedUpdate)
{
dataPoint.ExplodeAnimation = new Storyboard();
dataPoint.ExplodeAnimation = CreateExplodingOut2DAnimation(currentDataSeries, dataPoint, widthOfPlotArea, dataPoint.ExplodeAnimation, pieVisual, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, translateTransform, unExplodedPoints, explodedPoints, offsetX, offsetY);
dataPoint.UnExplodeAnimation = new Storyboard();
dataPoint.UnExplodeAnimation = CreateExplodingIn2DAnimation(currentDataSeries, dataPoint, widthOfPlotArea, dataPoint.UnExplodeAnimation, pieVisual, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, translateTransform, unExplodedPoints, explodedPoints, offsetX, offsetY);
}
else
{
if (!(currentDataSeries.Chart as Chart).InternalAnimationEnabled)
{
if ((Boolean)dataPoint.Exploded)
{
translateTransform.X = offsetX;
translateTransform.Y = offsetY;
if (dataPoint.LabelVisual != null)
{
if (dataPoint.LabelStyle == LabelStyles.Inside)
{
translateTransform = new TranslateTransform();
(dataPoint.LabelVisual as Canvas).RenderTransform = translateTransform;
translateTransform.X = offsetX;
translateTransform.Y = offsetY;
}
else
{
(dataPoint.LabelVisual as Canvas).SetValue(Canvas.LeftProperty, explodedPoints.LabelPosition.X);
}
}
if (dataPoint.LabelLine != null)
{
PathFigure figure = (dataPoint.LabelLine.Data as PathGeometry).Figures[0];
PathSegmentCollection segments = figure.Segments;
(segments[0] as LineSegment).Point = explodedPoints.LabelLineMidPoint;
(segments[1] as LineSegment).Point = explodedPoints.LabelLineEndPoint;
}
dataPoint._interactiveExplodeState = true;
}
}
}
pieVisual.SetValue(Canvas.TopProperty, height / 2 - pieVisual.Height / 2);
pieVisual.SetValue(Canvas.LeftProperty, widthOfPlotArea / 2 - pieVisual.Width / 2);
visual.Children.Add(pieVisual);
faces.VisualComponents.Add(pieVisual);
faces.Visual = pieVisual;
#endregion
}
