Class DetectEdgesExtensions

Defines edge detection extensions applicable on an Image using Mutate/Clone.

Inheritance

Object

DetectEdgesExtensions

Inherited Members

Object.Equals(Object)

Object.Equals(Object, Object)

Object.GetHashCode()

Object.GetType()

Object.MemberwiseClone()

Object.ReferenceEquals(Object, Object)

Object.ToString()

Namespace: SixLabors.ImageSharp.Processing

Assembly: SixLabors.ImageSharp.dll

Syntax

public static class DetectEdgesExtensions

Methods

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DetectEdges(IImageProcessingContext)

Detects any edges within the image. Uses the Sobel kernel operating in grayscale mode.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetector2DKernel)

Detects any edges within the image operating in grayscale mode.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetector2DKernel kernel)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetector2DKernel	kernel	The 2D edge detector kernel.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetector2DKernel, Rectangle)

Detects any edges within the image operating in grayscale mode.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetector2DKernel kernel, Rectangle rectangle)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetector2DKernel	kernel	The 2D edge detector kernel.
Rectangle	rectangle	The Rectangle structure that specifies the portion of the image object to alter.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetector2DKernel, Boolean)

Detects any edges within the image using a EdgeDetector2DKernel.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetector2DKernel kernel, bool grayscale)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetector2DKernel	kernel	The 2D edge detector kernel.
Boolean	grayscale	Whether to convert the image to grayscale before performing edge detection.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetector2DKernel, Boolean, Rectangle)

Detects any edges within the image using a EdgeDetector2DKernel.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetector2DKernel kernel, bool grayscale, Rectangle rectangle)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetector2DKernel	kernel	The 2D edge detector kernel.
Boolean	grayscale	Whether to convert the image to grayscale before performing edge detection.
Rectangle	rectangle	The Rectangle structure that specifies the portion of the image object to alter.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetectorCompassKernel)

Detects any edges within the image operating in grayscale mode.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetectorCompassKernel kernel)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetectorCompassKernel	kernel	Thecompass edge detector kernel.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetectorCompassKernel, Rectangle)

Detects any edges within the image operating in grayscale mode.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetectorCompassKernel kernel, Rectangle rectangle)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetectorCompassKernel	kernel	Thecompass edge detector kernel.
Rectangle	rectangle	The Rectangle structure that specifies the portion of the image object to alter.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetectorCompassKernel, Boolean)

Detects any edges within the image using a EdgeDetectorCompassKernel.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetectorCompassKernel kernel, bool grayscale)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetectorCompassKernel	kernel	Thecompass edge detector kernel.
Boolean	grayscale	Whether to convert the image to grayscale before performing edge detection.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetectorCompassKernel, Boolean, Rectangle)

Detects any edges within the image using a EdgeDetectorCompassKernel.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetectorCompassKernel kernel, bool grayscale, Rectangle rectangle)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetectorCompassKernel	kernel	Thecompass edge detector kernel.
Boolean	grayscale	Whether to convert the image to grayscale before performing edge detection.
Rectangle	rectangle	The Rectangle structure that specifies the portion of the image object to alter.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetectorKernel)

Detects any edges within the image operating in grayscale mode.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetectorKernel kernel)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetectorKernel	kernel	The edge detector kernel.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetectorKernel, Rectangle)

Detects any edges within the image operating in grayscale mode.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetectorKernel kernel, Rectangle rectangle)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetectorKernel	kernel	The edge detector kernel.
Rectangle	rectangle	The Rectangle structure that specifies the portion of the image object to alter.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetectorKernel, Boolean)

Detects any edges within the image using a EdgeDetectorKernel.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetectorKernel kernel, bool grayscale)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetectorKernel	kernel	The edge detector kernel.
Boolean	grayscale	Whether to convert the image to grayscale before performing edge detection.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, EdgeDetectorKernel, Boolean, Rectangle)

Detects any edges within the image using a EdgeDetectorKernel.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, EdgeDetectorKernel kernel, bool grayscale, Rectangle rectangle)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
EdgeDetectorKernel	kernel	The edge detector kernel.
Boolean	grayscale	Whether to convert the image to grayscale before performing edge detection.
Rectangle	rectangle	The Rectangle structure that specifies the portion of the image object to alter.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.

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DetectEdges(IImageProcessingContext, Rectangle)

Detects any edges within the image. Uses the Sobel kernel operating in grayscale mode.

Declaration

public static IImageProcessingContext DetectEdges(this IImageProcessingContext source, Rectangle rectangle)

Parameters

Type	Name	Description
IImageProcessingContext	source	The image this method extends.
Rectangle	rectangle	The Rectangle structure that specifies the portion of the image object to alter.

Returns

Type	Description
IImageProcessingContext	The IImageProcessingContext to allow chaining of operations.