FxBitonalRemoveIsolatedDots2x2 Method (GdPictureImaging)

In This Topic

Removes 4 pixels-sized isolated black dots in the 8 directions: E, NE, SE, S, SW, W, NW, N in a GdPicture image or in an area of a GdPicture image defined by SetROI() method.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Function FxBitonalRemoveIsolatedDots2x2( _
   ByVal ImageID As Integer _
) As GdPictureStatus

public GdPictureStatus FxBitonalRemoveIsolatedDots2x2( 
   int ImageID
)

public function FxBitonalRemoveIsolatedDots2x2( 
    ImageID: Integer
): GdPictureStatus;

public function FxBitonalRemoveIsolatedDots2x2( 
   ImageID : int
) : GdPictureStatus;

public: GdPictureStatus FxBitonalRemoveIsolatedDots2x2( 
   int ImageID
)

public:
GdPictureStatus FxBitonalRemoveIsolatedDots2x2( 
   int ImageID
)

Parameters

ImageID: GdPicture image identifier.

Return Value

A member of the GdPictureStatus enumeration.

Remarks

This method is used in the "Image Processing" Demo.

This method requires the Image Documents component to run.

Example

Removing isolated dots from a black and white tiff image.

using (GdPictureImaging gdpictureImaging = new GdPictureImaging())
{
    // LoadInMemory parameter is set to true in order to be able to update the input file.
    int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.tif", true);
 
    // Remove 4 pixels-sized isolated black dots in the 8 directions: E, NE, SE, S, SW, W, NW, N.
    gdpictureImaging.FxBitonalRemoveIsolatedDots2x2(imageID);
    gdpictureImaging.SaveAsTIFF(imageID, "image.tif", TiffCompression.TiffCompressionCCITT4);
    gdpictureImaging.ReleaseGdPictureImage(imageID);
}

Reference

GdPictureImaging Class
GdPictureImaging Members
SetROI Method
ResetROI Method
FxBitonalRemoveIsolatedDots8 Method
FxBitonalRemoveIsolatedDots4 Method