Class EllipseObj

A class that represents a bordered and/or filled ellipse object on the graph. A list of EllipseObj objects is maintained by the GraphObjList collection class. The ellipse is defined as the ellipse that would be contained by the rectangular box as defined by the Location property.

Inheritance

Object

GraphObj

BoxObj

EllipseObj

Implements

ICloneable

ISerializable

Inherited Members

BoxObj._fill

BoxObj._border

BoxObj.Fill

BoxObj.Border

BoxObj.schema2

BoxObj.GetCoords(PaneBase, Graphics, Single, String, String)

GraphObj._location

GraphObj._isVisible

GraphObj._isClippedToChartRect

GraphObj.Tag

GraphObj.Location

GraphObj.ZOrder

GraphObj.IsVisible

GraphObj.IsClippedToChartRect

GraphObj.Link

GraphObj.IsInFrontOfData

GraphObj.schema

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: ZedGraph

Assembly: ZedGraph.dll

Syntax

[Serializable]
public class EllipseObj : BoxObj, ICloneable, ISerializable

Constructors

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EllipseObj()

A default constructor that places the EllipseObj at location (0,0), with width/height of (1,1). Other properties are defaulted.

Declaration

public EllipseObj()

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EllipseObj(Double, Double, Double, Double)

A constructor that allows the position and size of the EllipseObj to be pre-specified. Other properties are defaulted.

Declaration

public EllipseObj(double x, double y, double width, double height)

Parameters

Type	Name	Description
Double	x	The x location for this BoxObj. This will be in units determined by CoordinateFrame.
Double	y	The y location for this BoxObj. This will be in units determined by CoordinateFrame.
Double	width	The width of this BoxObj. This will be in units determined by CoordinateFrame.
Double	height	The height of this BoxObj. This will be in units determined by CoordinateFrame.

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EllipseObj(Double, Double, Double, Double, Color, Color)

A constructor that allows the position, border color, and solid fill color of the EllipseObj to be pre-specified.

Declaration

public EllipseObj(double x, double y, double width, double height, Color borderColor, Color fillColor)

Parameters

Type	Name	Description
Double	x	The x location for this BoxObj. This will be in units determined by CoordinateFrame.
Double	y	The y location for this BoxObj. This will be in units determined by CoordinateFrame.
Double	width	The width of this BoxObj. This will be in units determined by CoordinateFrame.
Double	height	The height of this BoxObj. This will be in units determined by CoordinateFrame.
Color	borderColor	An arbitrary Color specification for the ellipse border
Color	fillColor	An arbitrary Color specification for the ellipse fill (will be a solid color fill)

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EllipseObj(Double, Double, Double, Double, Color, Color, Color)

A constructor that allows the position, border color, and two-color gradient fill colors of the EllipseObj to be pre-specified.

Declaration

public EllipseObj(double x, double y, double width, double height, Color borderColor, Color fillColor1, Color fillColor2)

Parameters

Type	Name	Description
Double	x	The x location for this BoxObj. This will be in units determined by CoordinateFrame.
Double	y	The y location for this BoxObj. This will be in units determined by CoordinateFrame.
Double	width	The width of this BoxObj. This will be in units determined by CoordinateFrame.
Double	height	The height of this BoxObj. This will be in units determined by CoordinateFrame.
Color	borderColor	An arbitrary Color specification for the ellipse border
Color	fillColor1	An arbitrary Color specification for the start of the ellipse gradient fill
Color	fillColor2	An arbitrary Color specification for the end of the ellipse gradient fill

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EllipseObj(SerializationInfo, StreamingContext)

Constructor for deserializing objects

Declaration

protected EllipseObj(SerializationInfo info, StreamingContext context)

Parameters

Type	Name	Description
SerializationInfo	info	A SerializationInfo instance that defines the serialized data
StreamingContext	context	A StreamingContext instance that contains the serialized data

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EllipseObj(BoxObj)

The Copy Constructor

Declaration

public EllipseObj(BoxObj rhs)

Parameters

Type	Name	Description
BoxObj	rhs	The EllipseObj object from which to copy

Fields

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schema3

Current schema value that defines the version of the serialized file

Declaration

public const int schema3 = 10

Field Value

Type	Description
Int32

Methods

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Clone()

Typesafe, deep-copy clone method.

Declaration

public EllipseObj Clone()

Returns

Type	Description
EllipseObj	A new, independent copy of this class

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Draw(Graphics, PaneBase, Single)

Render this object to the specified Graphics device.

Declaration

public override void Draw(Graphics g, PaneBase pane, float scaleFactor)

Parameters

Type	Name	Description
Graphics	g	A graphic device object to be drawn into. This is normally e.Graphics from the PaintEventArgs argument to the Paint() method.
PaneBase	pane	A reference to the PaneBase object that is the parent or owner of this object.
Single	scaleFactor	The scaling factor to be used for rendering objects. This is calculated and passed down by the parent GraphPane object using the CalcScaleFactor() method, and is used to proportionally adjust font sizes, etc. according to the actual size of the graph.

Overrides

BoxObj.Draw(Graphics, PaneBase, Single)

Remarks

This method is normally only called by the Draw method of the parent GraphObjList collection object.

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GetObjectData(SerializationInfo, StreamingContext)

Populates a SerializationInfo instance with the data needed to serialize the target object

Declaration

[SecurityPermission(SecurityAction.Demand, SerializationFormatter = true)]
public override void GetObjectData(SerializationInfo info, StreamingContext context)

Parameters

Type	Name	Description
SerializationInfo	info	A SerializationInfo instance that defines the serialized data
StreamingContext	context	A StreamingContext instance that contains the serialized data

Overrides

BoxObj.GetObjectData(SerializationInfo, StreamingContext)

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PointInBox(PointF, PaneBase, Graphics, Single)

Determine if the specified screen point lies inside the bounding box of this BoxObj.

Declaration

public override bool PointInBox(PointF pt, PaneBase pane, Graphics g, float scaleFactor)

Parameters

Type	Name	Description
PointF	pt	The screen point, in pixels
PaneBase	pane	A reference to the PaneBase object that is the parent or owner of this object.
Graphics	g	A graphic device object to be drawn into. This is normally e.Graphics from the PaintEventArgs argument to the Paint() method.
Single	scaleFactor	The scaling factor to be used for rendering objects. This is calculated and passed down by the parent GraphPane object using the CalcScaleFactor() method, and is used to proportionally adjust font sizes, etc. according to the actual size of the graph.

Returns

Type	Description
Boolean	true if the point lies in the bounding box, false otherwise

Overrides

BoxObj.PointInBox(PointF, PaneBase, Graphics, Single)

Explicit Interface Implementations

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ICloneable.Clone()

Implement the ICloneable interface in a typesafe manner by just calling the typed version of Clone()

Declaration

object ICloneable.Clone()

Returns

Type	Description
Object	A deep copy of this object

Implements

System.ICloneable

System.Runtime.Serialization.ISerializable