private static void OnPieCoefficientPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var series = d as PieSeries;
series.InternalPieCoefficient = ChartMath.MinMax((double)e.NewValue, 0, 1);
series.UpdateArea();
}
/// <summary>
/// Updates the series when doughnut coefficient changed.
/// </summary>
/// <param name="d">The Dependency Object</param>
/// <param name="e">The Event Arguments</param>
private static void OnDoughnutCoefficientChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var doughnutSeries3D = d as DoughnutSeries3D;
doughnutSeries3D.InternlDoughnutCoefficient = ChartMath.MinMax((double)e.NewValue, 0, 1);
doughnutSeries3D.UpdateArea();
}
protected internal DoubleRange GetYRange(double x1, double y1, double x2, double y2, double x3, double y3, double x4, double y4)
{
DoubleRange range = DoubleRange.Union(new double[] { y1, y2, y3, y4 });
double cy = 3 * (y2 - y1);
double by = 3 * (y3 - y3) - cy;
double ay = y4 - y1 - by - cy;
double r1, r2;
if (ChartMath.SolveQuadraticEquation(3 * ay, 2 * by, cy, out r1, out r2))
{
if (r1 >= 0 && r1 <= 1)
{
double y = ay * r1 * r1 * r1 + by * r1 * r1 + cy * r1 + y1;
range = DoubleRange.Union(range, y);
}
if (r2 >= 0 && r2 <= 1)
{
double y = ay * r2 * r2 * r2 + by * r2 * r2 + cy * r2 + y1;
range = DoubleRange.Union(range, y);
}
}
return(range);
}
private static void OnDoughnutSizeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
var series = d as DoughnutSeries;
series.InternalDoughnutSize = ChartMath.MinMax((double)e.NewValue, 0, 1);
series.UpdateArea();
}
/// <summary>
/// Gets the normal.
/// </summary>
/// <param name="transform">The transform.</param>
/// <returns>Returns Vector3D instance.</returns>
internal virtual Vector3D GetNormal(Matrix3D transform)
{
Vector3D norm;
if (VectorPoints != null)
{
norm = ChartMath.GetNormal(
transform * VectorPoints[0],
transform * VectorPoints[1],
transform * VectorPoints[2]);
for (var i = 3; (i < VectorPoints.Length) && !norm.IsValid; i++)
{
var v1 = transform * VectorPoints[i];
var v2 = transform * VectorPoints[0];
var v3 = transform * VectorPoints[i / 2];
norm = ChartMath.GetNormal(v1, v2, v3);
}
}
else
{
norm = transform & normal;
norm.Normalize();
}
return(norm);
}
public override void SetData(Point hlpoint, Point hrpoint, Point vtpoint, Point vbpoint)
{
_horLeftpoint = new ChartPoint(hlpoint.X, hlpoint.Y);
_horRightpoint = new ChartPoint(hrpoint.X, hrpoint.Y);
_verToppoint = new ChartPoint(vtpoint.X, vtpoint.Y);
_verBottompoint = new ChartPoint(vbpoint.X, vbpoint.Y);
switch (_parentSeries.Mode)
{
case ErrorBarMode.Horizontal:
XRange = new DoubleRange(ChartMath.Min(hlpoint.X, hrpoint.X), ChartMath.Max(hlpoint.X, hrpoint.X));
YRange = DoubleRange.Empty;
break;
case ErrorBarMode.Vertical:
YRange = new DoubleRange(vbpoint.Y, vtpoint.Y);
XRange = DoubleRange.Empty;
break;
default:
XRange = new DoubleRange(ChartMath.Min(hlpoint.X, hrpoint.X), ChartMath.Max(hlpoint.X, hrpoint.X));
YRange = new DoubleRange(vbpoint.Y, vtpoint.Y);
break;
}
}
/// <summary>
/// Updates the series when the circle coefficient changes.
/// </summary>
/// <param name="sender">The Sender</param>
/// <param name="e">The Dependency Object</param>
private static void OnCircleCoefficientChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
var circularSeriesBase3D = sender as CircularSeriesBase3D;
if (circularSeriesBase3D != null)
{
circularSeriesBase3D.InternalCircleCoefficient = ChartMath.MinMax((double)e.NewValue, 0, 1);
circularSeriesBase3D.UpdateArea();
}
}
private static void OnDoughnutHoleSizeChanged(DependencyObject sender, DependencyPropertyChangedEventArgs e)
{
var chartArea = sender as SfChart;
if (chartArea != null)
{
chartArea.InternalDoughnutHoleSize = ChartMath.MinMax((double)e.NewValue, 0, 1);
chartArea.ScheduleUpdate();
}
}
/// <summary>
/// To get the SurfaceHeight for PyramidSeries.
/// </summary>
public static double GetSurfaceHeight(double y, double surface)
{
double r1, r2;
if (ChartMath.SolveQuadraticEquation(1, 2 * y, -surface, out r1, out r2))
{
return(Math.Max(r1, r2));
}
return(double.NaN);
}
private Point[] GetHitRectPoints(Point point1, Point point2)
{
var extendedPoints = new Point[4];
extendedPoints[0] = ChartMath.CalculatePerpendicularDistantPoint(point1, point2, -GrabExtent);
extendedPoints[1] = ChartMath.CalculatePerpendicularDistantPoint(point2, point1, GrabExtent);
extendedPoints[2] = ChartMath.CalculatePerpendicularDistantPoint(point2, point1, -GrabExtent);
extendedPoints[3] = ChartMath.CalculatePerpendicularDistantPoint(point1, point2, GrabExtent);
return(extendedPoints);
}
internal virtual bool IsPointInsideRectangle(Point point)
{
if (hitRectPoints != null)
{
return(ChartMath.IsPointInsideRectangle(point, hitRectPoints));
}
else
{
return(false);
}
}
private void DrawMultipleDoughnut(IChartTransformer transformer)
{
if (IsSegmentVisible)
{
var segmentStartAngle = ActualStartAngle;
var segmentEndAngle = ActualEndAngle;
var center = parentSeries.Center;
double actualRadius = parentSeries.InternalDoughnutSize * Math.Min(transformer.Viewport.Width, transformer.Viewport.Height) / 2;
double remainingWidth = actualRadius - (actualRadius * Series.ActualArea.InternalDoughnutHoleSize);
double equalParts = (remainingWidth / doughnutSegmentsCount) * parentSeries.InternalDoughnutCoefficient;
double radius = actualRadius - (equalParts * (doughnutSegmentsCount - (DoughnutSegmentIndex + 1)));
parentSeries.Radius = actualRadius - equalParts;
double innerRadius = radius - equalParts;
double outerRadius = radius - equalParts * parentSeries.SegmentSpacing;
innerRadius = ChartMath.MaxZero(innerRadius);
if (parentSeries.Segments.IndexOf(this) == 0)
{
parentSeries.InnerRadius = innerRadius;
}
this.pathGeometry = GetDoughnutGeometry(center, outerRadius, innerRadius, segmentStartAngle, segmentEndAngle, false);
this.segmentPath.Data = pathGeometry;
//Rendering the back segments.
var seriesStartAngle = parentSeries.DegreeToRadianConverter(parentSeries.StartAngle);
var seriesEndAngle = parentSeries.DegreeToRadianConverter(parentSeries.EndAngle);
var totalArcLength = Math.PI * 2;
var arcLength = seriesEndAngle - seriesStartAngle;
if (Math.Abs(Math.Round(arcLength, 2)) > totalArcLength)
{
arcLength = arcLength % totalArcLength;
}
seriesEndAngle = arcLength + seriesStartAngle;
this.circularPathGeometry = GetDoughnutGeometry(center, outerRadius, innerRadius, seriesStartAngle, seriesEndAngle, true);
this.CircularDoughnutPath.Data = circularPathGeometry;
}
else
{
this.pathGeometry = null;
this.segmentPath.Data = null;
this.circularPathGeometry = null;
this.CircularDoughnutPath.Data = null;
}
}
public override void SetData(ChartPoint hipoint, ChartPoint lopoint, ChartPoint sopoint, ChartPoint eopoint, ChartPoint scpoint, ChartPoint ecpoint, bool isbull)
{
this.hipoint = hipoint;
this.lowpoint = lopoint;
this.sopoint = sopoint;
this.eopoint = eopoint;
this.scpoint = scpoint;
this.ecpoint = ecpoint;
this.IsBull = isbull;
var alignedValues = AlignHiLoSegment(sopoint.Y, scpoint.Y, hipoint.Y, lopoint.Y);
this.hipoint.Y = alignedValues[0];
this.lowpoint.Y = alignedValues[1];
XRange = new DoubleRange(ChartMath.Min(scpoint.X, ecpoint.X, sopoint.X, eopoint.X), ChartMath.Max(scpoint.X, ecpoint.X, sopoint.X, eopoint.X));
YRange = new DoubleRange(lopoint.Y, hipoint.Y);
}
/// <summary>
/// Updates the <see cref="ZoomOut"/> icon.
/// </summary>
/// <param name="e">The Event Arguments</param>
protected override void OnPointerPressed(PointerRoutedEventArgs e)
{
if (this.Source.ChartArea.AreaType != ChartAreaType.CartesianAxes)
{
return;
}
bool canZoom = false;
int updatedAxes = 0;
foreach (ChartAxisBase2D axis in this.Source.ChartArea.Axes)
{
if (axis.RegisteredSeries.Count > 0 && (axis.RegisteredSeries[0] as CartesianSeries) != null && (axis.RegisteredSeries[0] as CartesianSeries).IsActualTransposed)
{
if ((axis.Orientation == Orientation.Horizontal && (Source.ZoomMode == ZoomMode.Y || Source.ZoomMode == ZoomMode.XY)) ||
(axis.Orientation == Orientation.Vertical && (Source.ZoomMode == ZoomMode.X || Source.ZoomMode == ZoomMode.XY)))
{
canZoom = true;
}
}
else
{
if ((axis.Orientation == Orientation.Vertical && (Source.ZoomMode == ZoomMode.Y || Source.ZoomMode == ZoomMode.XY)) ||
(axis.Orientation == Orientation.Horizontal && (Source.ZoomMode == ZoomMode.X || Source.ZoomMode == ZoomMode.XY)))
{
canZoom = true;
}
}
if (canZoom)
{
var origin = 0.5;
double currentScale = Math.Max(1 / ChartMath.MinMax(axis.ZoomFactor, 0, 1), 1);
double cumulativeScale = Math.Max(currentScale + (0.25 * -1), 1);
Source.Zoom(cumulativeScale, origin > 1d ? 1d : origin < 0d ? 0d : origin, axis);
}
canZoom = false;
if (axis.ZoomFactor == 1 || axis.ZoomPosition == 0)
{
updatedAxes++;
}
}
e.Handled = true;
}
/// <summary>
/// Calculates actual range
/// </summary>
/// <param name="axis">The axis.</param>
/// <param name="range">The range.</param>
/// <param name="logarithmicBase">The logarithmic base.</param>
/// <returns></returns>
internal static DoubleRange CalculateActualRange(ChartAxis axis, DoubleRange range, double logarithmicBase)
{
if (range.IsEmpty)
{
return(range);
}
double logStart = Math.Log(range.Start, logarithmicBase);
logStart = double.IsInfinity(logStart) || double.IsNaN(logStart) ? range.Start : logStart;
double logEnd = Math.Log(range.End, logarithmicBase);
logEnd = double.IsInfinity(logEnd) || double.IsNaN(logEnd) ? logarithmicBase : logEnd;
double mulS = ChartMath.Round(logStart, 1, false);
double mulE = ChartMath.Round(logEnd, 1, true);
range = new DoubleRange(mulS, mulE);
return(range);
}
/// <summary>
/// Creates the point.
/// </summary>
protected override void CreatePoints()
{
if (Area.RootPanelDesiredSize != null)
{
this.actualWidth = Area.RootPanelDesiredSize.Value.Width;
this.actualHeight = Area.RootPanelDesiredSize.Value.Height;
}
var doughnutIndex = GetPieSeriesIndex();
var doughnutCount = GetCircularSeriesCount();
double actualRadius = InternalCircleCoefficient * Math.Min(actualWidth, actualHeight) / 2;
double remainingWidth = actualRadius - (actualRadius * Area.InternalDoughnutHoleSize);
double equalParts = remainingWidth / doughnutCount;
this.Radius = actualRadius - (equalParts * (doughnutCount - (doughnutIndex + 1)));
this.InnerRadius = this.Radius - (equalParts * this.InternlDoughnutCoefficient);
this.InnerRadius = ChartMath.MaxZero(this.InnerRadius);
base.CreatePoints();
}
private void DrawSingleDoughnut(IChartTransformer transformer)
{
var segmentStartAngle = ActualStartAngle;
var segmentEndAngle = ActualEndAngle;
Point center;
if (doughnutSeriesCount > 1)
{
center = new Point(0.5 * transformer.Viewport.Width, 0.5 * transformer.Viewport.Height);
}
else
{
center = parentSeries.Center;
}
CalculateGapRatioAngle(ref segmentEndAngle, ref segmentStartAngle);
double actualRadius = parentSeries.InternalDoughnutSize * Math.Min(transformer.Viewport.Width, transformer.Viewport.Height) / 2;
double remainingWidth = actualRadius - (actualRadius * Series.ActualArea.InternalDoughnutHoleSize);
double equalParts = remainingWidth / doughnutSeriesCount;
double radius = parentSeries.Radius = actualRadius - (equalParts * (doughnutSeriesCount - (doughnutSeriesIndex + 1)));
double innerRadius = radius - (equalParts * parentSeries.InternalDoughnutCoefficient);
innerRadius = ChartMath.MaxZero(innerRadius);
if (parentSeries.Segments.IndexOf(this) == 0)
{
parentSeries.InnerRadius = innerRadius;
}
this.pathGeometry = GetDoughnutGeometry(center, radius, innerRadius, segmentStartAngle, segmentEndAngle, false);
this.segmentPath.Data = pathGeometry;
this.circularPathGeometry = null;
this.CircularDoughnutPath.Data = null;
}
private void TransformToScreenCoVertical()
{
Points = new PointCollection();
double prevXValue = 0;
double prevYValue = 0;
int i = 0;
double yCoefficient = 0;
var numericalAxis = fastSeries.ActualYAxis as NumericalAxis;
bool isScaleBreak = numericalAxis != null && numericalAxis.AxisRanges != null && numericalAxis.AxisRanges.Count > 0;
xValues = (Series.ActualXValues is List <double> && !Series.IsIndexed) ? Series.ActualXValues as List <double> : Series.GetXValues();
var isGrouping = (fastSeries.ActualXAxis is CategoryAxis) ? (fastSeries.ActualXAxis as CategoryAxis).IsIndexed : true;
int startIndex = 0;
prevXValue = fastSeries.IsIndexed ? 1 : xChartVals[0];
prevYValue = yChartVals[0];
int cnt = xChartVals.Count - 1;
if (fastSeries.isLinearData)
{
for (i = 1; i < cnt; i++)
{
double xVal = xChartVals[i];
double yVal = yChartVals[i];
if ((xVal <= xEnd) && (xVal >= xStart))
{
if (Math.Abs(prevXValue - xVal) >= xTolerance || Math.Abs(prevYValue - yVal) >= yTolerance)
{
yCoefficient = (isScaleBreak ? numericalAxis.CalculateValueToCoefficient(yVal) : 1 - ((yEnd - yVal) / yDelta));
Points.Add(new Point((yOffset + ySize * yCoefficient), (xOffset + xSize * ((xEnd - xVal) / xDelta))));
prevXValue = xVal;
prevYValue = yVal;
}
}
else if (xVal < xStart)
{
if (x_isInversed)
{
yCoefficient = (isScaleBreak ? numericalAxis.CalculateValueToCoefficient(yVal) : 1 - ((yEnd - yVal) / yDelta));
Points.Add(new Point((yOffset + ySize * yCoefficient), (xOffset + xSize * ((xEnd - xVal) / xDelta))));
}
else
{
startIndex = i;
}
}
else if (xVal > xEnd)
{
double yValue = ChartMath.GetInterpolarationPoint(xChartVals[i - 1], xChartVals[i], yChartVals[i - 1], yChartVals[i], xEnd);
yCoefficient = (isScaleBreak ? numericalAxis.CalculateValueToCoefficient(yValue) : 1 - ((yEnd - yValue) / yDelta));
Points.Add(new Point((yOffset + ySize * yCoefficient), (xOffset)));
break;
}
}
}
else
{
for (i = 1; i < cnt; i++)
{
double xVal = xChartVals[i];
double yVal = yChartVals[i];
if (Math.Abs(prevXValue - xVal) >= xTolerance || Math.Abs(prevYValue - yVal) >= yTolerance)
{
yCoefficient = (isScaleBreak ? numericalAxis.CalculateValueToCoefficient(yVal) : 1 - ((yEnd - yVal) / yDelta));
Points.Add(new Point((yOffset + ySize * yCoefficient), (xOffset + xSize * ((xEnd - xVal) / xDelta))));
prevXValue = xVal;
prevYValue = yVal;
}
}
}
if (startIndex > 0)
{
double yValue = ChartMath.GetInterpolarationPoint(xChartVals[startIndex], xChartVals[startIndex + 1], yChartVals[startIndex], yChartVals[startIndex + 1], xStart);
yCoefficient = (isScaleBreak ? numericalAxis.CalculateValueToCoefficient(yValue) : 1 - ((yEnd - yValue) / yDelta));
Points.Insert(0, new Point((yOffset + ySize * yCoefficient), (xOffset + xSize * ((xEnd - xStart) / xDelta))));
}
else
{
yCoefficient = (isScaleBreak ? numericalAxis.CalculateValueToCoefficient(yChartVals[startIndex]) : 1 - ((yEnd - yChartVals[startIndex]) / yDelta));
Points.Insert(0, new Point((yOffset + ySize * yCoefficient), (xOffset + xSize * ((xEnd - xChartVals[startIndex]) / xDelta))));
}
if (i == cnt)
{
yCoefficient = (isScaleBreak ? numericalAxis.CalculateValueToCoefficient(yChartVals[cnt]) : 1 - ((yEnd - yChartVals[cnt]) / yDelta));
Points.Add(new Point((yOffset + ySize * yCoefficient), (xOffset + xSize * ((xEnd - xChartVals[cnt]) / xDelta))));
}
}
/// <summary>
/// Updates the segments based on its data point value. This method is not
/// intended to be called explicitly outside the Chart but it can be overriden by
/// any derived class.
/// </summary>
/// <param name="transformer">Represents the view port of chart control.(refer <see cref="IChartTransformer"/>)</param>
public override void Update(IChartTransformer transformer)
{
double radius = Radius;
double actualRadius = Math.Min(transformer.Viewport.Width, transformer.Viewport.Height) / 2;
if (Series is DoughnutSeries3D)
{
var hostSeries = Series as DoughnutSeries3D;
double doughnutSeriesCount = hostSeries.GetCircularSeriesCount();
actualRadius *= hostSeries.InternalCircleCoefficient;
Point center = hostSeries.Center;
if (doughnutSeriesCount > 1)
{
center = new Point(transformer.Viewport.Width / 2, transformer.Viewport.Height / 2);
}
double remainingWidth = actualRadius - (actualRadius * Series.ActualArea.InternalDoughnutHoleSize);
double equalParts = remainingWidth / doughnutSeriesCount;
double innerRadius = radius - (equalParts * hostSeries.InternlDoughnutCoefficient);
innerRadius = ChartMath.MaxZero(innerRadius);
if (hostSeries.ExplodeIndex == hostSeries.Segments.Count - 1 || hostSeries.ExplodeAll)
{
var rect = new Rect(0, 0, transformer.Viewport.Width, transformer.Viewport.Height);
center = hostSeries.GetActualCenter(new Point(rect.X + rect.Width / 2, rect.Y + rect.Height / 2), Radius);
}
if (hostSeries != null && hostSeries.LabelPosition == CircularSeriesLabelPosition.Inside)
{
double difference = (radius - innerRadius) / 2;
radius -= difference;
}
this.X = center.X + radius * Math.Cos(Angle);
this.Y = center.Y + radius * Math.Sin(Angle);
}
else if (Series is PieSeries3D)
{
var hostSeries = Series as PieSeries3D;
Point center = hostSeries.Center;
double pieSeriesCount = hostSeries.GetCircularSeriesCount();
double equalParts = actualRadius / pieSeriesCount;
double innerRadius = equalParts * pieIndex;
if (hostSeries.ExplodeIndex == hostSeries.Segments.Count - 1 || hostSeries.ExplodeAll)
{
var rect = new Rect(0, 0, transformer.Viewport.Width, transformer.Viewport.Height);
center = hostSeries.GetActualCenter(new Point(rect.X + rect.Width / 2, rect.Y + rect.Height / 2), Radius);
}
if (hostSeries != null && hostSeries.LabelPosition == CircularSeriesLabelPosition.Inside)
{
if (pieIndex == 0)
{
radius = radius / 2;
}
else
{
double difference = (radius - innerRadius) / 2;
radius -= difference;
}
}
this.X = center.X + radius * Math.Cos(Angle);
this.Y = center.Y + radius * Math.Sin(Angle);
}
this.ActualStartDepth = this.StartDepth;
}
void TransformToScreenCo(ChartTransform.ChartCartesianTransformer cartesianTransformer)
{
int i = 0;
bool x_isInversed = cartesianTransformer.XAxis.IsInversed;
bool y_isInversed = cartesianTransformer.YAxis.IsInversed;
double xStart = cartesianTransformer.XAxis.VisibleRange.Start;
double xEnd = cartesianTransformer.XAxis.VisibleRange.End;
double yStart = cartesianTransformer.YAxis.VisibleRange.Start;
double yEnd = cartesianTransformer.YAxis.VisibleRange.End;
double xDelta = x_isInversed ? xStart - xEnd : xEnd - xStart;
double yDelta = y_isInversed ? yStart - yEnd : yEnd - yStart;
double width = cartesianTransformer.XAxis.RenderedRect.Width;
double height = cartesianTransformer.YAxis.RenderedRect.Height;
availableSize = new Size(width, height);
double xTolerance = Math.Abs((xDelta * 1) / availableSize.Width);
double yTolerance = Math.Abs((yDelta * 1) / availableSize.Height);
double left = cartesianTransformer.XAxis.RenderedRect.Left - fastSeries.Area.SeriesClipRect.Left;
double top = cartesianTransformer.YAxis.RenderedRect.Top - fastSeries.Area.SeriesClipRect.Top;
int count = (int)(Math.Ceiling(xEnd));
int start = (int)(Math.Floor(xStart));
if (x_isInversed)
{
double temp = xStart;
xStart = xEnd;
xEnd = temp;
}
if (y_isInversed)
{
double temp = yStart;
yStart = yEnd;
yEnd = temp;
}
if (RenderingMode == RenderingMode.Default)
{
Points = new PointCollection();
double xValue = 0;
double yValue = 0;
double prevXValue = 0;
double prevYValue = 0;
if (fastSeries.IsIndexed)
{
int length = Length - 1;
start = start > length ? start : length;
start = start < 0 ? 0 : start;
count = count > yChartVals.Count ? yChartVals.Count : count;
for (i = start; i <= count; i++)
{
double xVal = 0;
double yVal = 0;
if (i >= 0 && i < yChartVals.Count)
{
xVal = xChartVals[i];
yVal = yChartVals[i];
}
else
{
continue;
}
if (Math.Abs(prevXValue - i) >= xTolerance || Math.Abs(prevYValue - yVal) >= yTolerance)
{
if (xVal <= xEnd && xVal >= xStart)
{
xValue = left + (availableSize.Width * ((i - xStart) / xDelta));
yValue = top + (availableSize.Height * (1 - ((yVal - yStart) / yDelta)));
Points.Add(new Point(xValue, yValue));
}
else if (xVal < xStart && i + 1 < yChartVals.Count)
{
double y = ChartMath.GetInterpolarationPoint(xChartVals[i], xChartVals[i + 1], yVal, yChartVals[i + 1], xStart);
xValue = left;
yValue = top + (availableSize.Height * (1 - ((y - yStart) / yDelta)));
Points.Add(new Point(xValue, yValue));
}
else if (xVal > xEnd && i - 1 > 0)
{
double y = ChartMath.GetInterpolarationPoint(xChartVals[i - 1], xChartVals[i], yChartVals[i - 1], yVal, xEnd);
xValue = left + availableSize.Width;
yValue = top + (availableSize.Height * (1 - ((y - yStart) / yDelta)));
Points.Add(new Point(xValue, yValue));
}
prevXValue = i;
prevYValue = yVal;
}
}
}
else
{
int startIndex = 0;
for (i = Length - 1; i < xChartVals.Count; i++)
{
double xVal = xChartVals[i];
double yVal = yChartVals[i];
if (Math.Abs(prevXValue - xVal) >= xTolerance || Math.Abs(prevYValue - yVal) >= yTolerance)
{
if ((xVal <= xEnd) && (xVal >= xStart))
{
xValue = left + (availableSize.Width * ((xVal - xStart) / xDelta));
yValue = top + (availableSize.Height * (1 - ((yVal - yStart) / yDelta)));
Points.Add(new Point(xValue, yValue));
}
else if (xVal < xStart)
{
startIndex = i;
}
else if (xVal > xEnd)
{
if (i - 1 > -1)
{
double y = ChartMath.GetInterpolarationPoint(xChartVals[i - 1], xChartVals[i], yChartVals[i - 1], yVal, xEnd);
xValue = left + availableSize.Width;
yValue = top + (availableSize.Height * (1 - ((y - yStart) / yDelta)));
Points.Add(new Point(xValue, yValue));
break;
}
}
}
prevXValue = xVal;
prevYValue = yVal;
}
if (startIndex > 0)
{
if (startIndex + 1 < xChartVals.Count)
{
double y = ChartMath.GetInterpolarationPoint(xChartVals[startIndex], xChartVals[startIndex + 1], yChartVals[startIndex], yChartVals[startIndex + 1], xStart);
xValue = left;
yValue = top + (availableSize.Height * (1 - ((y - yStart) / yDelta)));
Points.Insert(0, new Point(xValue, yValue));
}
}
}
}
else
{
xValues.Clear();
yValues.Clear();
double prevXValue = 0;
double prevYValue = 0;
float xValue = 0;
float yValue = 0;
if (fastSeries.IsIndexed)
{
prevXValue = 1;
for (i = start; i <= count; i++)
{
double yVal = yChartVals[i];
if (Math.Abs(prevXValue - i) >= xTolerance || Math.Abs(prevYValue - yVal) >= yTolerance)
{
xValue = (float)(left + availableSize.Width * ((i - xStart) / xDelta));
yValue = (float)(top + availableSize.Height * (1 - ((yVal - yStart) / yDelta)));
xValues.Add(xValue);
yValues.Add(yValue);
prevXValue = i;
prevYValue = yVal;
}
}
if (start > 0)
{
i = start - 1;
double yVal = yChartVals[i];
xValue = (float)(left + availableSize.Width * ((i - xStart) / xDelta));
yValue = (float)(top + availableSize.Height * (1 - ((yVal - yStart) / yDelta)));
xValues.Insert(0, xValue);
yValues.Insert(0, yValue);
}
if (count < yChartVals.Count - 1)
{
i = count + 1;
double yVal = yChartVals[i];
xValue = (float)(left + availableSize.Width * ((i - xStart) / xDelta));
yValue = (float)(top + availableSize.Height * (1 - ((yVal - yStart) / yDelta)));
xValues.Add(xValue);
yValues.Add(yValue);
}
}
else
{
int startIndex = 0;
for (i = Length - 1; i < xChartVals.Count; i++)
{
double xVal = xChartVals[i];
double yVal = yChartVals[i];
if ((xVal <= count) && (xVal >= start))
{
if (Math.Abs(prevXValue - xVal) >= xTolerance || Math.Abs(prevYValue - yVal) >= yTolerance)
{
xValue = (float)(left + availableSize.Width * ((xVal - xStart) / xDelta));
yValue = (float)(top + availableSize.Height * (1 - ((yVal - yStart) / yDelta)));
xValues.Add(xValue);
yValues.Add(yValue);
prevXValue = xVal;
prevYValue = yVal;
}
}
else if (xVal < start)
{
startIndex = i;
}
else if (xVal > count)
{
xValue = (float)(left + availableSize.Width * ((xVal - xStart) / xDelta));
yValue = (float)(top + availableSize.Height * (1 - ((yVal - yStart) / yDelta)));
xValues.Add(xValue);
yValues.Add(yValue);
break;
}
}
if (startIndex > 0)
{
xValue = (float)(left + availableSize.Width * ((xChartVals[startIndex] - xStart) / xDelta));
yValue = (float)(top + availableSize.Height * (1 - ((yChartVals[startIndex] - yStart) / yDelta)));
xValues.Insert(0, xValue);
yValues.Insert(0, yValue);
}
}
}
}
/// <summary>
/// Creates the segments of <see cref="FastRangeAreaBitmapSeries"/>.
/// </summary>
public override void CreateSegments()
{
ChartPoint point1;
ChartPoint point2;
ChartPoint point3;
ChartPoint point4;
ChartPoint? crossPoint = null;
List <ChartPoint> segPoints = new List <ChartPoint>();
List <double> xValues = null;
if (ActualXAxis is CategoryAxis && !(ActualXAxis as CategoryAxis).IsIndexed)
{
xValues = GroupedXValuesIndexes;
}
else
{
xValues = GetXValues();
}
if (xValues != null)
{
bool isGrouping = this.ActualXAxis is CategoryAxis ? (this.ActualXAxis as CategoryAxis).IsIndexed : true;
if (!isGrouping)
{
Segments.Clear();
Adornments.Clear();
if (double.IsNaN(GroupedSeriesYValues[1][0]) || !double.IsNaN(GroupedSeriesYValues[0][0]))
{
segPoints.Add(new ChartPoint(xValues[0], GroupedSeriesYValues[1][0]));
segPoints.Add(new ChartPoint(xValues[0], GroupedSeriesYValues[0][0]));
var segment = new FastRangeAreaSegment(segPoints, false, this)
{
High = GroupedSeriesYValues[0][0],
Low = GroupedSeriesYValues[1][0],
Item = ActualData[0]
};
AddSegment(segment, segPoints);
}
segPoints = new List <ChartPoint>();
int i;
for (i = 0; i < xValues.Count - 1; i++)
{
if (!double.IsNaN(GroupedSeriesYValues[1][i]) && !double.IsNaN(GroupedSeriesYValues[0][i]))
{
point1 = new ChartPoint(xValues[i], GroupedSeriesYValues[1][i]);
point3 = new ChartPoint(xValues[i], GroupedSeriesYValues[0][i]);
if (i == 0 || (i < xValues.Count - 1 && (double.IsNaN(GroupedSeriesYValues[1][i - 1]) || double.IsNaN(GroupedSeriesYValues[0][i - 1]))))
{
segPoints.Add(point1);
segPoints.Add(point3);
}
if (!double.IsNaN(GroupedSeriesYValues[1][i + 1]) && !double.IsNaN(GroupedSeriesYValues[0][i + 1]))
{
point2 = new ChartPoint(xValues[i + 1], GroupedSeriesYValues[1][i + 1]);
point4 = new ChartPoint(xValues[i + 1], GroupedSeriesYValues[0][i + 1]);
// UWP-8718 Use ChartMath.GetCrossPoint since it returns the ChartDataPoint withou rounding the values.
crossPoint = ChartMath.GetCrossPoint(point1, point2, point3, point4);
if (crossPoint != null)
{
var crossPointValue = new ChartPoint(crossPoint.Value.X, crossPoint.Value.Y);
segPoints.Add(crossPointValue);
segPoints.Add(crossPointValue);
var segment = new FastRangeAreaSegment(segPoints, (GroupedSeriesYValues[1][i] > GroupedSeriesYValues[0][i]), this)
{
High = GroupedSeriesYValues[0][i],
Low = GroupedSeriesYValues[1][i],
Item = ActualData[i]
};
AddSegment(segment, segPoints);
segPoints = new List <ChartPoint>();
segPoints.Add(crossPointValue);
segPoints.Add(crossPointValue);
}
segPoints.Add(point2);
segPoints.Add(point4);
}
else if (i != 0 && !double.IsNaN(GroupedSeriesYValues[1][i - 1]) && !double.IsNaN(GroupedSeriesYValues[0][i - 1]))
{
segPoints.Add(point1);
segPoints.Add(point3);
}
}
else
{
if (segPoints.Count > 0)
{
if (!double.IsNaN(GroupedSeriesYValues[1][i - 1]) && !double.IsNaN(GroupedSeriesYValues[0][i - 1]))
{
var segment = new FastRangeAreaSegment(segPoints, false, this)
{
High = GroupedSeriesYValues[0][i - 1],
Low = GroupedSeriesYValues[1][i - 1],
Item = ActualData[i - 1]
};
AddSegment(segment, segPoints);
}
}
segPoints = new List <ChartPoint>();
}
}
if (segPoints.Count > 0)
{
var segment = new FastRangeAreaSegment(segPoints, (GroupedSeriesYValues[1][i] > GroupedSeriesYValues[0][i]), this)
{
High = GroupedSeriesYValues[0][i],
Low = GroupedSeriesYValues[1][i],
Item = ActualData[i]
};
AddSegment(segment, segPoints);
}
else if (i == xValues.Count - 1 && (double.IsNaN(GroupedSeriesYValues[1][i]) || double.IsNaN(GroupedSeriesYValues[0][i])))
{
segPoints.Add(new ChartPoint(xValues[i], GroupedSeriesYValues[1][i]));
segPoints.Add(new ChartPoint(xValues[i], GroupedSeriesYValues[0][i]));
var segment = new FastRangeAreaSegment(segPoints, false, this)
{
High = GroupedSeriesYValues[0][i],
Low = GroupedSeriesYValues[1][i],
Item = ActualData[i]
};
AddSegment(segment, segPoints);
}
for (int j = 0; j < xValues.Count; j++)
{
if (AdornmentsInfo != null)
{
AddAdornments(xValues[j], 0, GroupedSeriesYValues[0][j], GroupedSeriesYValues[1][j], j);
}
}
}
else
{
Segments.Clear();
if (AdornmentsInfo != null)
{
if (AdornmentsInfo.AdornmentsPosition == AdornmentsPosition.TopAndBottom)
{
ClearUnUsedAdornments(this.DataCount * 2);
}
else
{
ClearUnUsedAdornments(this.DataCount);
}
}
if (xValues != null)
{
if (double.IsNaN(LowValues[0]) || double.IsNaN(HighValues[0]))
{
segPoints.Add(new ChartPoint(xValues[0], LowValues[0]));
segPoints.Add(new ChartPoint(xValues[0], HighValues[0]));
var segment = new FastRangeAreaSegment(segPoints, false, this)
{
High = HighValues[0],
Low = LowValues[0],
Item = ActualData[0]
};
AddSegment(segment, segPoints);
}
segPoints = new List <ChartPoint>();
int i;
for (i = 0; i < DataCount - 1; i++)
{
if (!double.IsNaN(LowValues[i]) && !double.IsNaN(HighValues[i]))
{
point1 = new ChartPoint(xValues[i], LowValues[i]);
point3 = new ChartPoint(xValues[i], HighValues[i]);
if (i == 0 || (i < DataCount - 1 && (double.IsNaN(LowValues[i - 1]) || double.IsNaN(HighValues[i - 1]))))
{
segPoints.Add(point1);
segPoints.Add(point3);
}
if (!double.IsNaN(LowValues[i + 1]) && !double.IsNaN(HighValues[i + 1]))
{
point2 = new ChartPoint(xValues[i + 1], LowValues[i + 1]);
point4 = new ChartPoint(xValues[i + 1], HighValues[i + 1]);
// UWP-8718 Use ChartMath.GetCrossPoint since it returns the ChartDataPoint withou rounding the values.
crossPoint = ChartMath.GetCrossPoint(point1, point2, point3, point4);
if (crossPoint != null)
{
var crossPointValue = new ChartPoint(crossPoint.Value.X, crossPoint.Value.Y);
segPoints.Add(crossPointValue);
segPoints.Add(crossPointValue);
var segment = new FastRangeAreaSegment(segPoints, (LowValues[i] > HighValues[i]), this)
{
High = HighValues[i],
Low = LowValues[i],
Item = ActualData[i]
};
AddSegment(segment, segPoints);
segPoints = new List <ChartPoint>();
segPoints.Add(crossPointValue);
segPoints.Add(crossPointValue);
}
segPoints.Add(point2);
segPoints.Add(point4);
}
}
else
{
if (segPoints.Count > 0)
{
if (!double.IsNaN(LowValues[i - 1]) && !double.IsNaN(HighValues[i - 1]))
{
var segment = new FastRangeAreaSegment(segPoints, false, this)
{
High = HighValues[i - 1],
Low = LowValues[i - 1],
Item = ActualData[i - 1]
};
AddSegment(segment, segPoints);
}
}
segPoints = new List <ChartPoint>();
}
}
if (segPoints.Count > 0)
{
var segment = new FastRangeAreaSegment(segPoints, (LowValues[i] > HighValues[i]), this)
{
High = HighValues[i],
Low = LowValues[i],
Item = ActualData[i]
};
AddSegment(segment, segPoints);
}
else if (i == DataCount - 1 && (double.IsNaN(LowValues[i]) || double.IsNaN(HighValues[i])))
{
segPoints.Add(new ChartPoint(xValues[i], LowValues[i]));
segPoints.Add(new ChartPoint(xValues[i], HighValues[i]));
var segment = new FastRangeAreaSegment(segPoints, false, this)
{
High = HighValues[i],
Low = LowValues[i],
Item = ActualData[i]
};
AddSegment(segment, segPoints);
}
}
for (int i = 0; i < xValues.Count; i++)
{
if (AdornmentsInfo != null)
{
AddAdornments(xValues[i], 0, HighValues[i], LowValues[i], i);
}
}
}
}
// Updates the stroke rendering for empty points.
if (Segments.Count > 1)
{
UpdateEmptyPointSegments();
}
}
/// <summary>
/// Updates the segments based on its data point value. This method is not
/// intended to be called explicitly outside the Chart but it can be overriden by
/// any derived class.
/// </summary>
/// <param name="transformer">Reresents the view port of chart control.(refer <see cref="IChartTransformer"/>)</param>
public override void Update(IChartTransformer transformer)
{
double radius = Radius;
double actualRadius = Math.Min(transformer.Viewport.Width, transformer.Viewport.Height) / 2;
if (Series is PieSeries)
{
var hostSeries = Series as PieSeries;
double pieSeriesCount = hostSeries.GetPieSeriesCount();
double equalParts = actualRadius / pieSeriesCount;
double innerRadius = equalParts * pieIndex;
Point center;
if (pieSeriesCount == 1)
{
center = hostSeries.Center;
}
else
{
center = ChartLayoutUtils.GetCenter(transformer.Viewport);
}
if (hostSeries != null && hostSeries.LabelPosition == CircularSeriesLabelPosition.Inside)
{
if (pieIndex > 0)
{
double difference = (radius - innerRadius) / 2;
radius = radius - difference;
}
else
{
radius = radius / 2;
}
}
this.X = center.X + radius * Math.Cos(Angle);
this.Y = center.Y + radius * Math.Sin(Angle);
}
else if (Series is DoughnutSeries)
{
var hostSeries = Series as DoughnutSeries;
actualRadius *= hostSeries.InternalDoughnutSize;
Point center;
double remainingWidth = 0d, equalParts = 0d, innerRadius = 0d;
var adornmentAngle = Angle;
if (hostSeries.IsStackedDoughnut)
{
var adornmentIndex = Series.Adornments.IndexOf(this);
var doughnutSegment = hostSeries.Segments[adornmentIndex] as DoughnutSegment;
int doughnutSegmentsCount = hostSeries.Segments.Count;
center = hostSeries.Center;
remainingWidth = actualRadius - (actualRadius * Series.ActualArea.InternalDoughnutHoleSize);
equalParts = (remainingWidth / doughnutSegmentsCount) * hostSeries.InternalDoughnutCoefficient;
radius = actualRadius - (equalParts * (doughnutSegmentsCount - (doughnutSegment.DoughnutSegmentIndex + 1)));
InnerDoughnutRadius = innerRadius = radius - equalParts;
radius = radius - equalParts * hostSeries.SegmentSpacing;
Radius = radius;
innerRadius = ChartMath.MaxZero(innerRadius);
double difference = (radius - innerRadius) / 2;
radius = radius - difference;
adornmentAngle = hostSeries.LabelPosition == CircularSeriesLabelPosition.Outside ? doughnutSegment.StartAngle : hostSeries.LabelPosition == CircularSeriesLabelPosition.OutsideExtended ? doughnutSegment.EndAngle : Angle;
}
else
{
int doughnutSeriesCount = hostSeries.GetDoughnutSeriesCount();
center = doughnutSeriesCount == 1 ? hostSeries.Center : ChartLayoutUtils.GetCenter(transformer.Viewport);
remainingWidth = actualRadius - (actualRadius * Series.ActualArea.InternalDoughnutHoleSize);
equalParts = remainingWidth / doughnutSeriesCount;
InnerDoughnutRadius = innerRadius = radius - (equalParts * hostSeries.InternalDoughnutCoefficient);
innerRadius = ChartMath.MaxZero(innerRadius);
if (hostSeries != null && hostSeries.LabelPosition == CircularSeriesLabelPosition.Inside)
{
double difference = (radius - innerRadius) / 2;
radius = radius - difference;
}
}
this.X = center.X + radius * Math.Cos(adornmentAngle);
this.Y = center.Y + radius * Math.Sin(adornmentAngle);
}
}
/// <summary>
/// Creates the segments of HistogramSeries.
/// </summary>
public override void CreateSegments()
{
List <double> xValues = GetXValues();
int index = 0;
double x1, y1, y2;
float median;
double origin = ActualXAxis != null ? ActualXAxis.Origin : 0;
if (ActualXAxis != null && ActualXAxis.Origin == 0 && ActualYAxis is LogarithmicAxis &&
(ActualYAxis as LogarithmicAxis).Minimum != null)
{
origin = (double)(ActualYAxis as LogarithmicAxis).Minimum;
}
if (xValues != null)
{
Segments.Clear();
ClearUnUsedAdornments(Segments.Count);
ActualYValues.Clear();
List <Point> dataPoints = new List <Point>();
List <ChartSegment> segmentsCollection = new List <ChartSegment>();
for (int i = 0; i < DataCount; i++)
{
dataPoints.Add(new Point(xValues[i], yValues[i]));
}
Array.Sort(dataPoints.ToArray(), new PointsSortByXComparer());
double interval = HistogramInterval;
double start = 0;
if (dataPoints.Count > 0)
{
start = ChartMath.Round(dataPoints[0].X, interval, false);
}
int pointsCount;
double position = start;
int intervalsCount = 0;
List <Point> points = new List <Point>();
List <object> data = new List <object>();
HistogramSegment histogramSegment;
for (int i = 0, ci = dataPoints.Count; i < ci; i++)
{
Point cdpt = dataPoints[i];
while (cdpt.X > position + interval)
{
pointsCount = points.Count;
if (pointsCount > 0)
{
histogramSegment = new HistogramSegment(position, pointsCount, position + interval, 0, this);
histogramSegment.XData = index;
histogramSegment.YData = pointsCount;
histogramSegment.Data = data;
data = new List <object>();
segmentsCollection.Add(histogramSegment);
ActualYValues.Add(pointsCount);
points.Clear();
index++;
}
position += interval;
intervalsCount++;
}
points.Add(dataPoints[i]);
data.Add(ActualData[i]);
}
pointsCount = points.Count;
if (pointsCount > 0)
{
intervalsCount++;
histogramSegment = new HistogramSegment(position, pointsCount, position + interval, 0, this);
histogramSegment.XData = index;
histogramSegment.YData = pointsCount;
histogramSegment.Data = data;
data = new List <object>();
segmentsCollection.Add(histogramSegment);
ActualYValues.Add(pointsCount);
points.Clear();
}
median = (float)interval / 2;
if (AdornmentsInfo != null)
{
for (int i = 0; i < segmentsCollection.Count; i++)
{
x1 = (segmentsCollection[i] as HistogramSegment).XRange.Start;
y1 = (segmentsCollection[i] as HistogramSegment).YData;
y2 = origin;
if (this.AdornmentsInfo.AdornmentsPosition == AdornmentsPosition.Top)
{
AddColumnAdornments(
(segmentsCollection[i] as HistogramSegment).XData,
(segmentsCollection[i] as HistogramSegment).YData,
x1,
y1,
i,
median);
}
else if (this.AdornmentsInfo.AdornmentsPosition == AdornmentsPosition.Bottom)
{
AddColumnAdornments(
(segmentsCollection[i] as HistogramSegment).XData,
(segmentsCollection[i] as HistogramSegment).YData,
x1,
y2,
i,
median);
}
else
{
AddColumnAdornments(
(segmentsCollection[i] as HistogramSegment).XData,
(segmentsCollection[i] as HistogramSegment).YData,
x1,
y1 + (y2 - y1) / 2,
i,
median);
}
}
}
#region Normal Distribution
if (ShowNormalDistributionCurve)
{
double m, dev;
GetHistogramMeanAndDeviation(dataPoints, out m, out dev);
PointCollection distributionPoints = new PointCollection();
double min = start;
double max = start + intervalsCount * interval;
double del = (max - min) / (C_distributionPointsCount - 1);
for (int i = 0; i < C_distributionPointsCount; i++)
{
double tx = min + i * del;
double ty = NormalDistribution(tx, m, dev) * dataPoints.Count * interval;
distributionPoints.Add(new Point(tx, ty));
}
segmentsCollection.Add(new HistogramDistributionSegment(distributionPoints, this));
}
foreach (var item in segmentsCollection)
{
Segments.Add(item);
}
#endregion
}
}
