/// <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="zindex">Z index of the pie</param>
/// <param name="isAnimationEnabled">Whether animation is enabled</param>
private static void Create3DPie(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 Int32 zindex, Boolean isAnimationEnabled)
{
#region 3D Pie
PieDoughnut3DPoints unExplodedPoints = new PieDoughnut3DPoints();
PieDoughnut3DPoints explodedPoints = new PieDoughnut3DPoints();
pieParams.TagReference = dataPoint;
List<Shape> pieFaces = GetPie3D(currentDataSeries, ref faces, pieParams, ref zindex, ref unExplodedPoints, ref explodedPoints, ref dataPoint.LabelLine, enabledDataPoints);
foreach (Shape path in pieFaces)
{
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 (isAnimationEnabled)
{
series.Storyboard = CreateOpacityAnimation(currentDataSeries, dataPoint, series.Storyboard, path, 1.0 / (series.InternalDataPoints.Count) * (series.InternalDataPoints.IndexOf(dataPoint)), dataPoint.InternalOpacity, 0.5);
path.Opacity = 0;
}
}
}
if (dataPoint.LabelLine != null && pieParams.LabelLineEnabled)
{
dataPoint.LabelLine.RenderTransform = new TranslateTransform();
if (dataPoint.InternalYValue == 0)
{
Line zeroLine = new Line();
zeroLine.X1 = pieParams.Center.X;
zeroLine.Y1 = pieParams.Center.Y;
zeroLine.X2 = unExplodedPoints.LabelLineStartPoint.X;
zeroLine.Y2 = unExplodedPoints.LabelLineStartPoint.Y;
zeroLine.Stroke = pieParams.LabelLineColor;
zeroLine.StrokeThickness = 0.25;
zeroLine.IsHitTestVisible = false;
visual.Children.Add(zeroLine);
if (isAnimationEnabled)
{
series.Storyboard = CreateOpacityAnimation(currentDataSeries, dataPoint, series.Storyboard, zeroLine, 2, zeroLine.Opacity, 0.5);
zeroLine.Opacity = 0;
}
}
visual.Children.Add(dataPoint.LabelLine);
faces.VisualComponents.Add(dataPoint.LabelLine);
}
faces.Visual = visual;
UpdateExplodedPosition(pieParams, dataPoint, offsetX, unExplodedPoints, explodedPoints, widthOfPlotArea);
dataPoint.ExplodeAnimation = new Storyboard();
dataPoint.ExplodeAnimation = CreateExplodingOut3DAnimation(currentDataSeries, dataPoint, dataPoint.ExplodeAnimation, pieFaces, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, unExplodedPoints, explodedPoints, pieParams.OffsetX, pieParams.OffsetY);
dataPoint.UnExplodeAnimation = new Storyboard();
dataPoint.UnExplodeAnimation = CreateExplodingIn3DAnimation(currentDataSeries, dataPoint, dataPoint.UnExplodeAnimation, pieFaces, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, unExplodedPoints, explodedPoints, pieParams.OffsetX, pieParams.OffsetY);
#endregion
}
/// <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 3D 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 CreateExplodingIn3DAnimation(DataSeries currentDataSeries, DataPoint dataPoint, Storyboard storyboard, List<Shape> pathElements, Panel label, Path labelLine, PieDoughnut3DPoints unExplodedPoints, PieDoughnut3DPoints explodedPoints, Double xOffset, Double yOffset)
{
DoubleCollection values;
DoubleCollection frames;
List<KeySpline> splines;
#if WPF
if (storyboard != null && storyboard.GetValue(System.Windows.Media.Animation.Storyboard.TargetProperty) != null)
storyboard.Stop();
#else
if (storyboard != null)
storyboard.Stop();
#endif
#region Animating Slice
foreach (Shape path in pathElements)
{
if (path == null) continue;
TranslateTransform translateTransform = path.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 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 Slice
#region Animating Label
if (dataPoint.LabelStyle == LabelStyles.Inside)
{
if (label != null)
{
TranslateTransform 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 labelXAnimation1 = 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 labelYAnimation2 = CreateDoubleAnimation(currentDataSeries, dataPoint, translateTransform, "(TranslateTransform.Y)", 0, frames, values, splines);
storyboard.Children.Add(labelXAnimation1);
storyboard.Children.Add(labelYAnimation2);
}
}
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)
{
TranslateTransform translateTransform = labelLine.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 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);
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>
/// Returns 3D Doughnut shapes
/// </summary>
/// <param name="faces">Doughnut faces</param>
/// <param name="doughnutParams">Doughnut 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>List of Shape</returns>
private static List<Shape> GetDoughnut3D(DataSeries currentDataSeries, ref Faces faces, SectorChartShapeParams doughnutParams, ref PieDoughnut3DPoints unExplodedPoints, ref PieDoughnut3DPoints explodedPoints, ref Path labelLinePath, List<DataPoint> enabledDataPoints)
{
List<Shape> pieFaces = new List<Shape>();
Shape topFace = null, bottomFace = null, rightFace = null, leftFace = null;
// calculate 3d offsets
Double yOffset = -doughnutParams.Depth / 2 * doughnutParams.ZAxisScaling;
Point center = new Point();
center.X += doughnutParams.Width / 2;
center.Y += doughnutParams.Height / 2;
// calculate all points
Point3D topFaceCenter = new Point3D();
topFaceCenter.X = center.X;
topFaceCenter.Y = center.Y + yOffset;
topFaceCenter.Z = doughnutParams.OffsetY * Math.Sin(doughnutParams.StartAngle) * Math.Cos(doughnutParams.TiltAngle) + doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D topOuterArcStart = new Point3D();
topOuterArcStart.X = topFaceCenter.X + doughnutParams.OuterRadius * Math.Cos(doughnutParams.StartAngle);
topOuterArcStart.Y = topFaceCenter.Y + doughnutParams.OuterRadius * Math.Sin(doughnutParams.StartAngle) * doughnutParams.YAxisScaling;
topOuterArcStart.Z = (topFaceCenter.Y + doughnutParams.OuterRadius) * Math.Sin(doughnutParams.StartAngle) * Math.Cos(doughnutParams.TiltAngle) + doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D topOuterArcStop = new Point3D();
topOuterArcStop.X = topFaceCenter.X + doughnutParams.OuterRadius * Math.Cos(doughnutParams.StopAngle);
topOuterArcStop.Y = topFaceCenter.Y + doughnutParams.OuterRadius * Math.Sin(doughnutParams.StopAngle) * doughnutParams.YAxisScaling;
topOuterArcStop.Z = (topFaceCenter.Y + doughnutParams.OuterRadius) * Math.Sin(doughnutParams.StopAngle) * Math.Cos(doughnutParams.TiltAngle) + doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D topInnerArcStart = new Point3D();
topInnerArcStart.X = topFaceCenter.X + doughnutParams.InnerRadius * Math.Cos(doughnutParams.StartAngle);
topInnerArcStart.Y = topFaceCenter.Y + doughnutParams.InnerRadius * Math.Sin(doughnutParams.StartAngle) * doughnutParams.YAxisScaling;
topInnerArcStart.Z = (topFaceCenter.Y + doughnutParams.InnerRadius) * Math.Sin(doughnutParams.StartAngle) * Math.Cos(doughnutParams.TiltAngle) + doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D topInnerArcStop = new Point3D();
topInnerArcStop.X = topFaceCenter.X + doughnutParams.InnerRadius * Math.Cos(doughnutParams.StopAngle);
topInnerArcStop.Y = topFaceCenter.Y + doughnutParams.InnerRadius * Math.Sin(doughnutParams.StopAngle) * doughnutParams.YAxisScaling;
topInnerArcStop.Z = (topFaceCenter.Y + doughnutParams.InnerRadius) * Math.Sin(doughnutParams.StopAngle) * Math.Cos(doughnutParams.TiltAngle) + doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D bottomFaceCenter = new Point3D();
bottomFaceCenter.X = center.X;
bottomFaceCenter.Y = center.Y - yOffset;
bottomFaceCenter.Z = doughnutParams.OffsetY * Math.Sin(doughnutParams.StartAngle) * Math.Cos(doughnutParams.TiltAngle) - doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D bottomOuterArcStart = new Point3D();
bottomOuterArcStart.X = bottomFaceCenter.X + doughnutParams.OuterRadius * Math.Cos(doughnutParams.StartAngle);
bottomOuterArcStart.Y = bottomFaceCenter.Y + doughnutParams.OuterRadius * Math.Sin(doughnutParams.StartAngle) * doughnutParams.YAxisScaling;
bottomOuterArcStart.Z = (bottomFaceCenter.Y + doughnutParams.OuterRadius) * Math.Sin(doughnutParams.StartAngle) * Math.Cos(doughnutParams.TiltAngle) - doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D bottomOuterArcStop = new Point3D();
bottomOuterArcStop.X = bottomFaceCenter.X + doughnutParams.OuterRadius * Math.Cos(doughnutParams.StopAngle);
bottomOuterArcStop.Y = bottomFaceCenter.Y + doughnutParams.OuterRadius * Math.Sin(doughnutParams.StopAngle) * doughnutParams.YAxisScaling;
bottomOuterArcStop.Z = (bottomFaceCenter.Y + doughnutParams.OuterRadius) * Math.Sin(doughnutParams.StopAngle) * Math.Cos(doughnutParams.TiltAngle) - doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D bottomInnerArcStart = new Point3D();
bottomInnerArcStart.X = bottomFaceCenter.X + doughnutParams.InnerRadius * Math.Cos(doughnutParams.StartAngle);
bottomInnerArcStart.Y = bottomFaceCenter.Y + doughnutParams.InnerRadius * Math.Sin(doughnutParams.StartAngle) * doughnutParams.YAxisScaling;
bottomInnerArcStart.Z = (bottomFaceCenter.Y + doughnutParams.InnerRadius) * Math.Sin(doughnutParams.StartAngle) * Math.Cos(doughnutParams.TiltAngle) - doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D bottomInnerArcStop = new Point3D();
bottomInnerArcStop.X = bottomFaceCenter.X + doughnutParams.InnerRadius * Math.Cos(doughnutParams.StopAngle);
bottomInnerArcStop.Y = bottomFaceCenter.Y + doughnutParams.InnerRadius * Math.Sin(doughnutParams.StopAngle) * doughnutParams.YAxisScaling;
bottomInnerArcStop.Z = (bottomFaceCenter.Y + doughnutParams.InnerRadius) * Math.Sin(doughnutParams.StopAngle) * Math.Cos(doughnutParams.TiltAngle) - doughnutParams.Depth * Math.Cos(Math.PI / 2 - doughnutParams.TiltAngle);
Point3D centroid = GetCentroid(topInnerArcStart, topInnerArcStop, topOuterArcStart, topOuterArcStop, bottomInnerArcStart, bottomInnerArcStop, bottomOuterArcStart, bottomOuterArcStop);
UpdatePositionLabelInsidePie(doughnutParams, yOffset);
if (doughnutParams.StartAngle == doughnutParams.StopAngle && doughnutParams.IsLargerArc || enabledDataPoints.Count == 1)
{
// draw singleton pie here
topFace = new Ellipse() { Tag = new ElementData() { Element = doughnutParams.TagReference } };
// topFace.Fill = doughnutParams.Lighting ? Graphics.GetLightingEnabledBrush(doughnutParams.Background, "Radial", new Double[] { 0.99, 0.745 }) : doughnutParams.Background;
topFace.Fill = doughnutParams.Lighting ? Graphics.GetLightingEnabledBrush(doughnutParams.Background, "Linear", new Double[] { 0.99, 0.854 }) : doughnutParams.Background;
topFace.Width = 2 * doughnutParams.OuterRadius;
topFace.Height = 2 * doughnutParams.OuterRadius * doughnutParams.YAxisScaling;
topFace.SetValue(Canvas.LeftProperty, (Double)(doughnutParams.Center.X - topFace.Width / 2));
topFace.SetValue(Canvas.TopProperty, (Double)(doughnutParams.Center.Y - topFace.Height / 2 + yOffset));
GeometryGroup gg = new GeometryGroup();
gg.Children.Add(new EllipseGeometry() { Center = new Point(topFace.Width / 2, topFace.Height / 2), RadiusX = topFace.Width, RadiusY = topFace.Height });
gg.Children.Add(new EllipseGeometry() { Center = new Point(topFace.Width / 2, topFace.Height / 2), RadiusX = doughnutParams.InnerRadius, RadiusY = topFace.Height - 2 * (doughnutParams.OuterRadius - doughnutParams.InnerRadius) });
topFace.Clip = gg;
pieFaces.Add(topFace);
faces.Parts.Add(topFace);
bottomFace = new Ellipse() { Tag = new ElementData() { Element = doughnutParams.TagReference } };
bottomFace.Fill = doughnutParams.Lighting ? Graphics.GetLightingEnabledBrush(doughnutParams.Background, "Radial", new Double[] { 0.99, 0.745 }) : doughnutParams.Background;
// topFace.Stroke = pieParams.Lighting ? Graphics.GetLightingEnabledBrush(pieParams.Background, "Radial", new Double[] { 0.99, 0.745 }) : pieParams.Background;
bottomFace.Width = 2 * doughnutParams.OuterRadius;
bottomFace.Height = 2 * doughnutParams.OuterRadius * doughnutParams.YAxisScaling;
bottomFace.SetValue(Canvas.LeftProperty, (Double)(doughnutParams.Center.X - topFace.Width / 2));
bottomFace.SetValue(Canvas.TopProperty, (Double)(doughnutParams.Center.Y - topFace.Height / 2));
gg = new GeometryGroup();
gg.Children.Add(new EllipseGeometry() { Center = new Point(topFace.Width / 2, topFace.Height / 2), RadiusX = topFace.Width, RadiusY = topFace.Height });
gg.Children.Add(new EllipseGeometry() { Center = new Point(topFace.Width / 2, topFace.Height / 2), RadiusX = doughnutParams.InnerRadius, RadiusY = topFace.Height - 2 * (doughnutParams.OuterRadius - doughnutParams.InnerRadius) });
bottomFace.Clip = gg;
pieFaces.Add(bottomFace);
faces.Parts.Add(bottomFace);
}
else
{
topFace = GetDoughnutFace(doughnutParams, centroid, topInnerArcStart, topInnerArcStop, topOuterArcStart, topOuterArcStop, true);
pieFaces.Add(topFace);
faces.Parts.Add(topFace);
bottomFace = GetDoughnutFace(doughnutParams, centroid, bottomInnerArcStart, bottomInnerArcStop, bottomOuterArcStart, bottomOuterArcStop, false);
pieFaces.Add(bottomFace);
faces.Parts.Add(bottomFace);
rightFace = GetPieSide(doughnutParams, centroid, topInnerArcStart, bottomInnerArcStart, topOuterArcStart, bottomOuterArcStart);
pieFaces.Add(rightFace);
faces.Parts.Add(rightFace);
leftFace = GetPieSide(doughnutParams, centroid, topInnerArcStop, bottomInnerArcStop, topOuterArcStop, bottomOuterArcStop);
pieFaces.Add(leftFace);
faces.Parts.Add(leftFace);
}
List<Shape> curvedSurface = GetDoughnutCurvedFace(doughnutParams, centroid, topFaceCenter, bottomFaceCenter);
pieFaces.InsertRange(pieFaces.Count, curvedSurface);
foreach (FrameworkElement fe in curvedSurface)
faces.Parts.Add(fe);
labelLinePath = CreateLabelLine(currentDataSeries, doughnutParams, center, ref unExplodedPoints, ref explodedPoints);
if ((doughnutParams.TagReference as DataPoint).InternalYValue == 0)
return new List<Shape>();
//Top face ZIndex
topFace.SetValue(Canvas.ZIndexProperty, (Int32)(50000));
//BottomFace ZIndex
bottomFace.SetValue(Canvas.ZIndexProperty, (Int32)(-50000));
if (!(doughnutParams.StartAngle == doughnutParams.StopAngle && doughnutParams.IsLargerArc))
{
// ZIndex of curved face
if (doughnutParams.StartAngle >= Math.PI && doughnutParams.StartAngle <= Math.PI * 2 && doughnutParams.StopAngle >= Math.PI && doughnutParams.StopAngle <= Math.PI * 2 && doughnutParams.IsLargerArc)
{
_elementPositionData.Add(new ElementPositionData(rightFace, doughnutParams.StartAngle, doughnutParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], 0, Math.PI));
_elementPositionData.Add(new ElementPositionData(curvedSurface[1], doughnutParams.StartAngle, 0));
_elementPositionData.Add(new ElementPositionData(curvedSurface[2], Math.PI, doughnutParams.StopAngle));
_elementPositionData.Add(new ElementPositionData(leftFace, doughnutParams.StopAngle, doughnutParams.StopAngle));
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, 0, Math.PI));
}
else if (doughnutParams.StartAngle >= 0 && doughnutParams.StartAngle <= Math.PI && doughnutParams.StopAngle >= 0 && doughnutParams.StopAngle <= Math.PI && doughnutParams.IsLargerArc)
{
_elementPositionData.Add(new ElementPositionData(rightFace, doughnutParams.StartAngle, doughnutParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], doughnutParams.StartAngle, Math.PI));
_elementPositionData.Add(new ElementPositionData(curvedSurface[1], Math.PI * 2, doughnutParams.StopAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[2], Math.PI, Math.PI * 2));
_elementPositionData.Add(new ElementPositionData(leftFace, doughnutParams.StopAngle, doughnutParams.StopAngle));
if (labelLinePath != null)
labelLinePath.SetValue(Canvas.ZIndexProperty, -50000);
}
else if (doughnutParams.StartAngle >= 0 && doughnutParams.StartAngle <= Math.PI && doughnutParams.StopAngle >= Math.PI && doughnutParams.StopAngle <= Math.PI * 2)
{
_elementPositionData.Add(new ElementPositionData(rightFace, doughnutParams.StartAngle, doughnutParams.StartAngle));
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, doughnutParams.StartAngle, Math.PI));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], doughnutParams.StartAngle, Math.PI));
_elementPositionData.Add(new ElementPositionData(curvedSurface[1], Math.PI, doughnutParams.StopAngle));
_elementPositionData.Add(new ElementPositionData(leftFace, doughnutParams.StopAngle, doughnutParams.StopAngle));
}
else if (doughnutParams.StartAngle >= Math.PI && doughnutParams.StartAngle <= Math.PI * 2 && doughnutParams.StopAngle >= 0 && doughnutParams.StopAngle <= Math.PI)
{
_elementPositionData.Add(new ElementPositionData(rightFace, doughnutParams.StartAngle, doughnutParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], 0, doughnutParams.StopAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[1], doughnutParams.StartAngle, 0));
_elementPositionData.Add(new ElementPositionData(leftFace, doughnutParams.StopAngle, doughnutParams.StopAngle));
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, doughnutParams.StopAngle, doughnutParams.StopAngle));
}
else
{
_elementPositionData.Add(new ElementPositionData(rightFace, doughnutParams.StartAngle, doughnutParams.StartAngle));
if (doughnutParams.StartAngle >= 0 && doughnutParams.StartAngle < Math.PI / 2 && doughnutParams.StopAngle >= 0 && doughnutParams.StopAngle < Math.PI / 2)
{
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, doughnutParams.StopAngle, doughnutParams.StopAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], doughnutParams.StartAngle, doughnutParams.StopAngle));
}
else if (doughnutParams.StartAngle >= 0 && doughnutParams.StartAngle < Math.PI / 2 && doughnutParams.StopAngle >= Math.PI / 2 && doughnutParams.StopAngle < Math.PI)
{
if (labelLinePath != null)
labelLinePath.SetValue(Canvas.ZIndexProperty, 40000);
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], doughnutParams.StartAngle, doughnutParams.StopAngle));
}
else if (doughnutParams.StartAngle >= Math.PI / 2 && doughnutParams.StartAngle < Math.PI && doughnutParams.StopAngle >= Math.PI / 2 && doughnutParams.StopAngle < Math.PI)
{
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, doughnutParams.StartAngle, doughnutParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], doughnutParams.StartAngle, doughnutParams.StopAngle));
}
else if (doughnutParams.StartAngle >= Math.PI && doughnutParams.StartAngle < Math.PI * 1.5 && doughnutParams.StopAngle >= Math.PI && doughnutParams.StopAngle < Math.PI * 1.5)
{
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], doughnutParams.StartAngle, doughnutParams.StopAngle));
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, doughnutParams.StartAngle, doughnutParams.StartAngle));
}
else if (doughnutParams.StartAngle >= Math.PI * 1.5 && doughnutParams.StartAngle < Math.PI * 2 && doughnutParams.StopAngle >= Math.PI * 1.5 && doughnutParams.StopAngle < Math.PI * 2)
{
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], doughnutParams.StartAngle, doughnutParams.StopAngle));
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, doughnutParams.StartAngle, doughnutParams.StopAngle));
}
else
{
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, doughnutParams.StartAngle, doughnutParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], doughnutParams.StartAngle, doughnutParams.StopAngle));
}
_elementPositionData.Add(new ElementPositionData(leftFace, doughnutParams.StopAngle, doughnutParams.StopAngle));
}
}
return pieFaces;
}
/// <summary>
/// Returns 3D Pie shapes
/// </summary>
/// <param name="faces">Pie faces</param>
/// <param name="pieParams">Pie parameters</param>
/// <param name="zindex">Zindex</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>List of Shape</returns>
private static List<Shape> GetPie3D(DataSeries currentDataSeries, ref Faces faces, SectorChartShapeParams pieParams, ref Int32 zindex, ref PieDoughnut3DPoints unExplodedPoints, ref PieDoughnut3DPoints explodedPoints, ref Path labelLinePath, List<DataPoint> enabledDataPoints)
{
List<Shape> pieFaces = new List<Shape>();
Shape topFace = null, bottomFace = null, rightFace = null, leftFace = null;
Point center = new Point();
center.X = pieParams.Width / 2;
center.Y = pieParams.Height / 2;
// calculate 3d offsets
Double yOffset = -pieParams.Depth / 2 * pieParams.ZAxisScaling;
// calculate all points
Point3D topFaceCenter = new Point3D();
topFaceCenter.X = center.X;
topFaceCenter.Y = center.Y + yOffset;
topFaceCenter.Z = pieParams.OffsetY * Math.Sin(pieParams.StartAngle) * Math.Cos(pieParams.TiltAngle) + pieParams.Depth * Math.Cos(Math.PI / 2 - pieParams.TiltAngle);
Point3D topArcStart = new Point3D();
topArcStart.X = topFaceCenter.X + pieParams.OuterRadius * Math.Cos(pieParams.StartAngle);
topArcStart.Y = topFaceCenter.Y + pieParams.OuterRadius * Math.Sin(pieParams.StartAngle) * pieParams.YAxisScaling;
topArcStart.Z = (topFaceCenter.Y + pieParams.OuterRadius) * Math.Sin(pieParams.StartAngle) * Math.Cos(pieParams.TiltAngle) + pieParams.Depth * Math.Cos(Math.PI / 2 - pieParams.TiltAngle);
Point3D topArcStop = new Point3D();
topArcStop.X = topFaceCenter.X + pieParams.OuterRadius * Math.Cos(pieParams.StopAngle);
topArcStop.Y = topFaceCenter.Y + pieParams.OuterRadius * Math.Sin(pieParams.StopAngle) * pieParams.YAxisScaling;
topArcStop.Z = (topFaceCenter.Y + pieParams.OuterRadius) * Math.Sin(pieParams.StopAngle) * Math.Cos(pieParams.TiltAngle) + pieParams.Depth * Math.Cos(Math.PI / 2 - pieParams.TiltAngle);
Point3D bottomFaceCenter = new Point3D();
bottomFaceCenter.X = center.X;
bottomFaceCenter.Y = center.Y - yOffset;
bottomFaceCenter.Z = pieParams.OffsetY * Math.Sin(pieParams.StartAngle) * Math.Cos(pieParams.TiltAngle) - pieParams.Depth * Math.Cos(Math.PI / 2 - pieParams.TiltAngle);
Point3D bottomArcStart = new Point3D();
bottomArcStart.X = bottomFaceCenter.X + pieParams.OuterRadius * Math.Cos(pieParams.StartAngle);
bottomArcStart.Y = bottomFaceCenter.Y + pieParams.OuterRadius * Math.Sin(pieParams.StartAngle) * pieParams.YAxisScaling;
bottomArcStart.Z = (bottomFaceCenter.Y + pieParams.OuterRadius) * Math.Sin(pieParams.StartAngle) * Math.Cos(pieParams.TiltAngle) - pieParams.Depth * Math.Cos(Math.PI / 2 - pieParams.TiltAngle);
Point3D bottomArcStop = new Point3D();
bottomArcStop.X = bottomFaceCenter.X + pieParams.OuterRadius * Math.Cos(pieParams.StopAngle);
bottomArcStop.Y = bottomFaceCenter.Y + pieParams.OuterRadius * Math.Sin(pieParams.StopAngle) * pieParams.YAxisScaling;
bottomArcStop.Z = (bottomFaceCenter.Y + pieParams.OuterRadius) * Math.Sin(pieParams.StopAngle) * Math.Cos(pieParams.TiltAngle) - pieParams.Depth * Math.Cos(Math.PI / 2 - pieParams.TiltAngle);
Point3D centroid = GetCentroid(topFaceCenter, topArcStart, topArcStop, bottomFaceCenter, bottomArcStart, bottomArcStop);
UpdatePositionLabelInsidePie(pieParams, yOffset);
if (pieParams.StartAngle == pieParams.StopAngle && pieParams.IsLargerArc || enabledDataPoints.Count == 1)
{
// draw singleton pie here
topFace = new Ellipse() { Tag = new ElementData() { Element = pieParams.TagReference } };
// topFace.Fill = pieParams.Lighting ? Graphics.GetLightingEnabledBrush(pieParams.Background, "Radial", new Double[] { 0.99, 0.745 }) : pieParams.Background;
topFace.Fill = pieParams.Lighting ? Graphics.GetLightingEnabledBrush(pieParams.Background, "Linear", new Double[] { 0.99, 0.854 }) : pieParams.Background;
topFace.Width = 2 * pieParams.OuterRadius;
topFace.Height = 2 * pieParams.OuterRadius * pieParams.YAxisScaling;
topFace.SetValue(Canvas.LeftProperty, (Double)(pieParams.Center.X - topFace.Width / 2));
topFace.SetValue(Canvas.TopProperty, (Double)(pieParams.Center.Y - topFace.Height / 2 + yOffset));
pieFaces.Add(topFace);
faces.Parts.Add(topFace);
bottomFace = new Ellipse() { Tag = new ElementData() { Element = pieParams.TagReference } };
bottomFace.Fill = pieParams.Lighting ? Graphics.GetLightingEnabledBrush(pieParams.Background, "Radial", new Double[] { 0.99, 0.745 }) : pieParams.Background;
bottomFace.Width = 2 * pieParams.OuterRadius;
bottomFace.Height = 2 * pieParams.OuterRadius * pieParams.YAxisScaling;
bottomFace.SetValue(Canvas.LeftProperty, (Double)(pieParams.Center.X - topFace.Width / 2));
bottomFace.SetValue(Canvas.TopProperty, (Double)(pieParams.Center.Y - topFace.Height / 2 + yOffset));
pieFaces.Add(bottomFace);
faces.Parts.Add(bottomFace);
}
else
{
topFace = GetPieFace(pieParams, centroid, topFaceCenter, topArcStart, topArcStop);
pieFaces.Add(topFace);
faces.Parts.Add(topFace);
bottomFace = GetPieFace(pieParams, centroid, bottomFaceCenter, bottomArcStart, bottomArcStop);
pieFaces.Add(bottomFace);
faces.Parts.Add(bottomFace);
rightFace = GetPieSide(pieParams, centroid, topFaceCenter, bottomFaceCenter, topArcStart, bottomArcStart);
pieFaces.Add(rightFace);
faces.Parts.Add(rightFace);
leftFace = GetPieSide(pieParams, centroid, topFaceCenter, bottomFaceCenter, topArcStop, bottomArcStop);
pieFaces.Add(leftFace);
faces.Parts.Add(leftFace);
}
labelLinePath = CreateLabelLine(currentDataSeries, pieParams, center, ref unExplodedPoints, ref explodedPoints);
if ((pieParams.TagReference as DataPoint).InternalYValue == 0)
return new List<Shape>();
List<Shape> curvedSurface = GetPieOuterCurvedFace(pieParams, centroid, topFaceCenter, bottomFaceCenter);
pieFaces.InsertRange(pieFaces.Count, curvedSurface.ToList());
foreach (FrameworkElement fe in curvedSurface)
faces.Parts.Add(fe);
//Top face ZIndex
topFace.SetValue(Canvas.ZIndexProperty, (Int32)(50000));
//BottomFace ZIndex
bottomFace.SetValue(Canvas.ZIndexProperty, (Int32)(-50000));
if (pieParams.StartAngle == pieParams.StopAngle && pieParams.IsLargerArc)
{
}
else
{
// ZIndex of curved face
if (pieParams.StartAngle >= Math.PI && pieParams.StartAngle <= Math.PI * 2 && pieParams.StopAngle >= Math.PI && pieParams.StopAngle <= Math.PI * 2 && pieParams.IsLargerArc)
{
_elementPositionData.Add(new ElementPositionData(rightFace, pieParams.StartAngle, pieParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], 0, Math.PI));
_elementPositionData.Add(new ElementPositionData(leftFace, pieParams.StopAngle, pieParams.StopAngle));
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, 0, Math.PI));
}
else if (pieParams.StartAngle >= 0 && pieParams.StartAngle <= Math.PI && pieParams.StopAngle >= 0 && pieParams.StopAngle <= Math.PI && pieParams.IsLargerArc)
{
_elementPositionData.Add(new ElementPositionData(rightFace, pieParams.StartAngle, pieParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], pieParams.StartAngle, Math.PI));
_elementPositionData.Add(new ElementPositionData(curvedSurface[1], 0, pieParams.StopAngle));
_elementPositionData.Add(new ElementPositionData(leftFace, pieParams.StopAngle, pieParams.StopAngle));
if (labelLinePath != null)
labelLinePath.SetValue(Canvas.ZIndexProperty, -50000);
}
else if (pieParams.StartAngle >= 0 && pieParams.StartAngle <= Math.PI && pieParams.StopAngle >= Math.PI && pieParams.StopAngle <= Math.PI * 2)
{
_elementPositionData.Add(new ElementPositionData(rightFace, pieParams.StartAngle, pieParams.StartAngle));
// if (labelLinePath != null)
// _elementPositionData.Add(new ElementPositionData(labelLinePath, pieParams.StartAngle, Math.PI));
//------------
if (labelLinePath != null)
{
if (pieParams.StartAngle >= Math.PI / 2 && pieParams.StopAngle <= Math.PI)
labelLinePath.SetValue(Canvas.ZIndexProperty, 50000);
else
_elementPositionData.Add(new ElementPositionData(labelLinePath, pieParams.StartAngle, Math.PI));
}
//------------
_elementPositionData.Add(new ElementPositionData(leftFace, pieParams.StopAngle, pieParams.StopAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], pieParams.StartAngle, Math.PI));
}
else if (pieParams.StartAngle >= Math.PI && pieParams.StartAngle <= Math.PI * 2 && pieParams.StopAngle >= 0 && pieParams.StopAngle <= Math.PI)
{
_elementPositionData.Add(new ElementPositionData(rightFace, pieParams.StartAngle, pieParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], 0, pieParams.StopAngle));
_elementPositionData.Add(new ElementPositionData(leftFace, pieParams.StopAngle, pieParams.StopAngle));
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, pieParams.StopAngle, pieParams.StopAngle));
}
else
{
_elementPositionData.Add(new ElementPositionData(rightFace, pieParams.StartAngle, pieParams.StartAngle));
if (pieParams.StartAngle >= 0 && pieParams.StartAngle < Math.PI / 2 && pieParams.StopAngle >= 0 && pieParams.StopAngle < Math.PI / 2)
{
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, pieParams.StopAngle, pieParams.StopAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], pieParams.StartAngle, pieParams.StopAngle));
}
else if (pieParams.StartAngle >= 0 && pieParams.StartAngle < Math.PI / 2 && pieParams.StopAngle >= Math.PI / 2 && pieParams.StopAngle < Math.PI)
{
if (labelLinePath != null)
labelLinePath.SetValue(Canvas.ZIndexProperty, 40000);
curvedSurface[0].SetValue(Canvas.ZIndexProperty, 35000);
}
else if (pieParams.StartAngle >= Math.PI / 2 && pieParams.StartAngle < Math.PI && pieParams.StopAngle >= Math.PI / 2 && pieParams.StopAngle < Math.PI)
{
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, pieParams.StartAngle, pieParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], pieParams.StartAngle, pieParams.StopAngle));
}
else if (pieParams.StartAngle >= Math.PI && pieParams.StartAngle < Math.PI * 1.5 && pieParams.StopAngle >= Math.PI && pieParams.StopAngle < Math.PI * 1.5)
{
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], pieParams.StartAngle, pieParams.StopAngle));
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, pieParams.StartAngle, pieParams.StartAngle));
}
else if (pieParams.StartAngle >= Math.PI * 1.5 && pieParams.StartAngle < Math.PI * 2 && pieParams.StopAngle >= Math.PI * 1.5 && pieParams.StopAngle < Math.PI * 2)
{
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], pieParams.StartAngle, pieParams.StopAngle));
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, pieParams.StartAngle, pieParams.StopAngle));
}
else
{
if (labelLinePath != null)
_elementPositionData.Add(new ElementPositionData(labelLinePath, pieParams.StartAngle, pieParams.StartAngle));
_elementPositionData.Add(new ElementPositionData(curvedSurface[0], pieParams.StartAngle, pieParams.StopAngle));
}
_elementPositionData.Add(new ElementPositionData(leftFace, pieParams.StopAngle, pieParams.StopAngle));
}
}
return pieFaces;
}
/// <summary>
/// Create a LabelLine
/// </summary>
/// <param name="pieParams">Pie parameters</param>
/// <param name="centerOfPie">Center point of pie</param>
/// <param name="unExplodedPoints">UnExploded dataPoints</param>
/// <param name="explodedPoints">Exploded dataPoints</param>
/// <returns>Path</returns>
private static Path CreateLabelLine(DataSeries currentDataSeries, SectorChartShapeParams pieParams, Point centerOfPie, ref PieDoughnut3DPoints unExplodedPoints, ref PieDoughnut3DPoints explodedPoints)
{
Path labelLine = null;
if (pieParams.LabelLineEnabled)
{
labelLine = new Path() { Tag = new ElementData() { Element = pieParams.TagReference } };
Double meanAngle = pieParams.MeanAngle;
Point piePoint = new Point();
piePoint.X = centerOfPie.X + pieParams.OuterRadius * Math.Cos(meanAngle);
piePoint.Y = centerOfPie.Y + pieParams.OuterRadius * Math.Sin(meanAngle) * pieParams.YAxisScaling;
Point labelPoint = new Point();
labelPoint.X = centerOfPie.X + pieParams.LabelPoint.X - pieParams.Width / 2;
labelPoint.Y = centerOfPie.Y + pieParams.LabelPoint.Y - pieParams.Height / 2;
Point midPoint = new Point();
//midPoint.X = (labelPoint.X < centerOfPie.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;
// apply animation to the label line
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;
// 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 - pieParams.OffsetY);
explodedPoints.LabelLineMidPoint = new Point(midPoint.X, midPoint.Y - pieParams.OffsetY);
explodedPoints.LabelLineStartPoint = new Point(piePoint.X + pieParams.OffsetX, piePoint.Y + pieParams.OffsetY);
if ((pieParams.TagReference as DataPoint).InternalYValue == 0)
labelLine.IsHitTestVisible = false;
}
return labelLine;
}
/// <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="zindex">Z index of the pie</param>
/// <param name="isAnimationEnabled">Whether animation is enabled</param>
private static void Create3DPie(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 Int32 zindex, Boolean isAnimationEnabled)
{
#region 3D Pie
PieDoughnut3DPoints unExplodedPoints = new PieDoughnut3DPoints();
PieDoughnut3DPoints explodedPoints = new PieDoughnut3DPoints();
pieParams.TagReference = dataPoint;
List<Shape> pieFaces = GetPie3D(currentDataSeries, ref faces, pieParams, ref zindex, ref unExplodedPoints, ref explodedPoints, ref dataPoint.LabelLine, enabledDataPoints);
foreach (Shape path in pieFaces)
{
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 (isAnimationEnabled)
{
series.Storyboard = CreateOpacityAnimation(currentDataSeries, dataPoint, series.Storyboard, path, 1.0 / (series.InternalDataPoints.Count) * (series.InternalDataPoints.IndexOf(dataPoint)), dataPoint.InternalOpacity, 0.5);
path.Opacity = 0;
}
}
}
if (dataPoint.LabelLine != null && pieParams.LabelLineEnabled)
{
dataPoint.LabelLine.RenderTransform = new TranslateTransform();
if (dataPoint.InternalYValue == 0)
{
Line zeroLine = new Line();
zeroLine.X1 = pieParams.Center.X;
zeroLine.Y1 = pieParams.Center.Y;
zeroLine.X2 = unExplodedPoints.LabelLineStartPoint.X;
zeroLine.Y2 = unExplodedPoints.LabelLineStartPoint.Y;
zeroLine.Stroke = pieParams.LabelLineColor;
zeroLine.StrokeThickness = 0.25;
zeroLine.IsHitTestVisible = false;
visual.Children.Add(zeroLine);
if (isAnimationEnabled)
{
series.Storyboard = CreateOpacityAnimation(currentDataSeries, dataPoint, series.Storyboard, zeroLine, 2, zeroLine.Opacity, 0.5);
zeroLine.Opacity = 0;
}
}
visual.Children.Add(dataPoint.LabelLine);
faces.VisualComponents.Add(dataPoint.LabelLine);
}
faces.Visual = visual;
UpdateExplodedPosition(pieParams, dataPoint, offsetX, unExplodedPoints, explodedPoints, widthOfPlotArea);
pieParams.ExplodedPoints = explodedPoints;
pieParams.UnExplodedPoints = unExplodedPoints;
if ((Boolean)(dataPoint.Chart as Chart).AnimatedUpdate)
{
dataPoint.ExplodeAnimation = new Storyboard();
dataPoint.ExplodeAnimation = CreateExplodingOut3DAnimation(currentDataSeries, dataPoint, widthOfPlotArea, dataPoint.ExplodeAnimation, pieFaces, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, unExplodedPoints, explodedPoints, pieParams.OffsetX, pieParams.OffsetY);
dataPoint.UnExplodeAnimation = new Storyboard();
dataPoint.UnExplodeAnimation = CreateExplodingIn3DAnimation(currentDataSeries, dataPoint, widthOfPlotArea, dataPoint.UnExplodeAnimation, pieFaces, dataPoint.LabelVisual as Canvas, dataPoint.LabelLine, unExplodedPoints, explodedPoints, pieParams.OffsetX, pieParams.OffsetY);
}
else
{
if (!(dataPoint.Chart as Chart).InternalAnimationEnabled)
{
if ((Boolean)dataPoint.Exploded)
{
foreach (Shape path in pieFaces)
{
if (path == null) continue;
(path.RenderTransform as TranslateTransform).X = pieParams.OffsetX;
(path.RenderTransform as TranslateTransform).Y = pieParams.OffsetY;
}
if (dataPoint.LabelVisual != null)
{
if (dataPoint.LabelStyle == LabelStyles.Inside)
{
TranslateTransform translateTransform = new TranslateTransform();
(dataPoint.LabelVisual as Canvas).RenderTransform = translateTransform;
translateTransform.X = pieParams.OffsetX;
translateTransform.Y = pieParams.OffsetY;
}
else
{
(dataPoint.LabelVisual as Canvas).SetValue(Canvas.LeftProperty, explodedPoints.LabelPosition.X);
}
}
if (dataPoint.LabelLine != null)
{
(dataPoint.LabelLine.RenderTransform as TranslateTransform).X = pieParams.OffsetX;
(dataPoint.LabelLine.RenderTransform as TranslateTransform).Y = pieParams.OffsetY;
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;
}
}
}
#endregion
}
