C# Class AForge.Imaging.Filters.CanvasCrop

Fill areas outiside of specified region.

The filter fills areas outside of specified region using the specified color.

The filter accepts 8bpp grayscale and 24/32 bpp color images for processing.

Sample usage:

 // create filter CanvasCrop filter = new CanvasCrop( new Rectangle( 5, 5, image.Width - 10, image.Height - 10 ), Color.Red ); // apply the filter filter.ApplyInPlace( image );

Initial image:

Result image:

Inheritance: BaseInPlaceFilter

Show file Open project: holisticware-admin/MonoVersal.AForgeNET

Public Methods

Method	Description
CanvasCrop ( Rectangle region ) : System.Drawing	Initializes a new instance of the CanvasCrop class.
CanvasCrop ( Rectangle region, Color fillColorRGB ) : System.Drawing	Initializes a new instance of the CanvasCrop class.
CanvasCrop ( Rectangle region, Color fillColorRGB, byte fillColorGray ) : System.Drawing	Initializes a new instance of the CanvasCrop class.
CanvasCrop ( Rectangle region, byte fillColorGray ) : System.Drawing	Initializes a new instance of the CanvasCrop class.

Protected Methods

Method	Description
ProcessFilter ( UnmanagedImage image ) : void	Process the filter on the specified image.

Private Methods

Method	Description
CanvasCrop ( ) : System.Drawing

Method Details

CanvasCrop() public method

Initializes a new instance of the CanvasCrop class.

public CanvasCrop ( Rectangle region ) : System.Drawing
region	System.Drawing.Rectangle	Region to keep.
return	System.Drawing

CanvasCrop() public method

Initializes a new instance of the CanvasCrop class.

public CanvasCrop ( Rectangle region, Color fillColorRGB ) : System.Drawing
region	System.Drawing.Rectangle	Region to keep.
fillColorRGB	System.Drawing.Color	RGB color to use for filling areas outside of specified region in color images.
return	System.Drawing

CanvasCrop() public method

Initializes a new instance of the CanvasCrop class.

public CanvasCrop ( Rectangle region, Color fillColorRGB, byte fillColorGray ) : System.Drawing
region	System.Drawing.Rectangle	Region to keep.
fillColorRGB	System.Drawing.Color	RGB color to use for filling areas outside of specified region in color images.
fillColorGray	byte	Gray color to use for filling areas outside of specified region in grayscale images.
return	System.Drawing

CanvasCrop() public method

Initializes a new instance of the CanvasCrop class.

public CanvasCrop ( Rectangle region, byte fillColorGray ) : System.Drawing
region	System.Drawing.Rectangle	Region to keep.
fillColorGray	byte	Gray color to use for filling areas outside of specified region in grayscale images.
return	System.Drawing

ProcessFilter() protected method

Process the filter on the specified image.

protected ProcessFilter ( UnmanagedImage image ) : void
image	UnmanagedImage	Source image data.
return	void