Struct Ellipse

Represents an ellipse that is composed of a 32-bit signed integer center point and radius.

Implements

IEquatable<Ellipse>

Namespace: X10D.Drawing

Assembly: X10D.dll

Syntax

public struct Ellipse : IEquatable<Ellipse>

Constructors

Ellipse(Point, Size)

Initializes a new instance of the Ellipse struct.

Declaration

public Ellipse(Point center, Size radius)

Parameters

Type	Name	Description
Point	center	The center point of the ellipse.
Size	radius	The radius of the ellipse.

Ellipse(Int32, Int32, Int32, Int32)

Initializes a new instance of the Ellipse struct.

Declaration

public Ellipse(int centerX, int centerY, int horizontalRadius, int verticalRadius)

Parameters

Type	Name	Description
System.Int32	centerX	The X coordinate of the center point.
System.Int32	centerY	The Y coordinate of the center point.
System.Int32	horizontalRadius	The horizontal radius of the ellipse.
System.Int32	verticalRadius	The vertical radius of the ellipse.

Fields

Ellipse

The unit ellipse. That is, an ellipse whose center point is (0, 0) and whose two radii are 1.

Declaration

public static readonly Ellipse

Field Value

Type	Description
Ellipse

Ellipse

The unit ellipse. That is, an ellipse whose center point is (0, 0) and whose two radii are 1.

Declaration

public static readonly Ellipse

Field Value

Type	Description
Ellipse

Ellipse

The unit ellipse. That is, an ellipse whose center point is (0, 0) and whose two radii are 1.

Declaration

public static readonly Ellipse

Field Value

Type	Description
Ellipse

Empty

The empty ellipse. That is, an ellipse whose center point is (0, 0) and whose two radii are 0.

Declaration

public static readonly Ellipse Empty

Field Value

Type	Description
Ellipse

Unit

The unit ellipse. That is, an ellipse whose center point is (0, 0) and whose two radii are 1.

Declaration

public static readonly Ellipse Unit

Field Value

Type	Description
Ellipse

Properties

ApproximateCircumference

Gets the approximate circumference of the ellipse.

Declaration

public float ApproximateCircumference { get; }

Property Value

Type	Description
System.Single	The approximate circumference of the ellipse, calculated as π(a+b)(3([(a-b)²]/(a+b)²(sqrt(-3(((a-b)²)/(a+b)²)+4+10))+1).

Area

Gets the area of the ellipse.

Declaration

public float Area { get; }

Property Value

Type	Description
System.Single	The area of the ellipse, calculated as πab.

Center

Gets the center point of the ellipse.

Declaration

public Point Center { get; }

Property Value

Type	Description
Point	The center point.

HorizontalRadius

Gets the horizontal radius of the ellipse.

Declaration

public int HorizontalRadius { get; }

Property Value

Type	Description
System.Int32	The horizontal radius.

Radius

Gets the radius of the ellipse.

Declaration

public Size Radius { get; }

Property Value

Type	Description
Size	The radius.

VerticalRadius

Gets the vertical radius of the ellipse.

Declaration

public int VerticalRadius { get; }

Property Value

Type	Description
System.Int32	The vertical radius.

Methods

Equals(Nullable<Object>)

Declaration

public override bool Equals(object? obj)

Parameters

Type	Name	Description
System.Nullable<System.Object>	obj

Returns

Type	Description
System.Boolean

Equals(Ellipse)

Returns a value indicating whether this instance and another instance are equal.

Declaration

public bool Equals(Ellipse other)

Parameters

Type	Name	Description
Ellipse	other	The instance with which to compare.

Returns

Type	Description
System.Boolean	true if this instance and other are considered equal; otherwise, false.

FromCircle(Circle)

Converts a Circle to an Ellipse.

Declaration

public static Ellipse FromCircle(in Circle circle)

Parameters

Type	Name	Description
Circle	circle	The circle to convert.

Returns

Type	Description
Ellipse	The converted ellipse.

FromEllipseF(EllipseF)

Converts an EllipseF to an Ellipse.

Declaration

public static Ellipse FromEllipseF(in EllipseF ellipse)

Parameters

Type	Name	Description
EllipseF	ellipse	The ellipse to convert.

Returns

Type	Description
Ellipse	The converted ellipse.

GetHashCode()

Declaration

public override int GetHashCode()

Returns

Type	Description
System.Int32

Operators

Equality(Ellipse, Ellipse)

Returns a value indicating whether two instances of Ellipse are equal.

Declaration

public static bool operator ==(in Ellipse left, in Ellipse right)

Parameters

Type	Name	Description
Ellipse	left	The first instance.
Ellipse	right	The second instance.

Returns

Type	Description
System.Boolean	true if left and right are considered equal; otherwise, false.

Explicit(EllipseF to Ellipse)

Explicitly converts an EllipseF to an Ellipse.

Declaration

public static explicit operator Ellipse(in EllipseF ellipse)

Parameters

Type	Name	Description
EllipseF	ellipse	The ellipse to convert.

Returns

Type	Description
Ellipse	The converted ellipse.

Implicit(Circle to Ellipse)

Implicitly converts a Circle to an Ellipse.

Declaration

public static implicit operator Ellipse(in Circle circle)

Parameters

Type	Name	Description
Circle	circle	The circle to convert.

Returns

Type	Description
Ellipse	The converted ellipse.

Inequality(Ellipse, Ellipse)

Returns a value indicating whether two instances of Ellipse are not equal.

Declaration

public static bool operator !=(in Ellipse left, in Ellipse right)

Parameters

Type	Name	Description
Ellipse	left	The first instance.
Ellipse	right	The second instance.

Returns

Type	Description
System.Boolean	true if left and right are considered not equal; otherwise, false.

Implements

IEquatable<>

Extension Methods

Extensions.AsArrayValue<T>(T)

Extensions.AsEnumerableValue<T>(T)

Extensions.RepeatValue<T>(T, Int32)

Extensions.ToJson<T>(T, Nullable<JsonSerializerOptions>)