Class PieTwoLabelColumnsStrategy

Represents a smart labels strategy for a pie chart that places labels in two horizontal columns of the chart without them overlapping.

Inheritance
System.Object
SmartLabelsStrategyBase
PieTwoLabelColumnsStrategy
Inherited Members
System.Object.ToString()
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: Telerik.WinControls.UI
Assembly: Telerik.WinControls.ChartView.dll

Syntax

public class PieTwoLabelColumnsStrategy : SmartLabelsStrategyBase

Constructors

PieTwoLabelColumnsStrategy()

Declaration
public PieTwoLabelColumnsStrategy()

Properties

DistanceBetweenLabels

Gets or sets the distance between labels.

Declaration
public int DistanceBetweenLabels { get; set; }
Property Value
System.Int32

The distance between labels.

Methods

CalculateLocations(ChartSeriesCollection, Rectangle)

Within this method labels' positions are calculated and are set to the SmartLocation property of each label.

Declaration
public override void CalculateLocations(ChartSeriesCollection series, Rectangle plotArea)
Parameters
ChartSeriesCollection series

All the series in the current chart view.
System.Drawing.Rectangle plotArea

The plot area.
Overrides

CalculateOverlaps(List<LabelElement>, Rectangle)

Calculates the overlaps of labels.

Declaration
protected virtual PieTwoLabelColumnsStrategy.ClusterizationInfo CalculateOverlaps(List<LabelElement> labels, Rectangle plotArea)
Parameters
System.Collections.Generic.List<LabelElement> labels

The labels.
System.Drawing.Rectangle plotArea

The plot area.
Returns
PieTwoLabelColumnsStrategy.ClusterizationInfo

An object holding information on the labels collisions.

GetSmartLayoutSlot(PieSeries, LabelElement, Double)

Gets the smart layout slot for a given label.

Declaration
protected virtual Rectangle GetSmartLayoutSlot(PieSeries series, LabelElement label, double angle)
Parameters
PieSeries series

The series.
LabelElement label

The label.
System.Double angle

The angle.
Returns
System.Drawing.Rectangle

OptimizeBottomUp(List<LabelElement>, Rectangle, Boolean)

Begind the optimization from the bottom and proceeds up.

Declaration
protected virtual void OptimizeBottomUp(List<LabelElement> labels, Rectangle plotArea, bool isLeftColumn)
Parameters
System.Collections.Generic.List<LabelElement> labels

The labels.
System.Drawing.Rectangle plotArea

The plot area.
System.Boolean isLeftColumn

Indicates whether the left column is processed true or the right one false.

OptimizeCenterUpAndDown(List<LabelElement>, Rectangle, Boolean)

Begind the optimization from the center and proceeds up and down.

Declaration
protected virtual void OptimizeCenterUpAndDown(List<LabelElement> labels, Rectangle plotArea, bool isLeftColumn)
Parameters
System.Collections.Generic.List<LabelElement> labels

The labels.
System.Drawing.Rectangle plotArea

The plot area.
System.Boolean isLeftColumn

Indicates whether the left column is processed true or the right one false.

OptimizeColumnPositions(List<LabelElement>, Rectangle, Boolean)

Optimizes the labels positions in the two columns.

Declaration
protected virtual void OptimizeColumnPositions(List<LabelElement> column, Rectangle plotArea, bool isLeftColumn)
Parameters
System.Collections.Generic.List<LabelElement> column

The column.
System.Drawing.Rectangle plotArea

The plot area.
System.Boolean isLeftColumn

Indicates whether the left column is processed true or the right one false.

OptimizeTopDown(List<LabelElement>, Rectangle, Boolean)

Begind the optimization from the top and proceeds down.

Declaration
protected virtual void OptimizeTopDown(List<LabelElement> labels, Rectangle plotArea, bool isLeftColumn)
Parameters
System.Collections.Generic.List<LabelElement> labels

The labels.
System.Drawing.Rectangle plotArea

The plot area.
System.Boolean isLeftColumn

Indicates whether the left column is processed true or the right one false.

ToRectangleF(RadRect)

Converts a RadRect to a RectangleF.

Declaration
public Rectangle ToRectangleF(RadRect rect)
Parameters
RadRect rect

The rect.
Returns
System.Drawing.Rectangle

Extension Methods