GdPicture.NET.14~GdPicture14.GdPictureImaging~FxGrayscale - FxGrayscale Method (GdPictureImaging) -

public GdPictureStatus FxGrayscale( 
   int ImageID
)

public function FxGrayscale( 
    ImageID: Integer
): GdPictureStatus;

public function FxGrayscale( 
   ImageID : int
) : GdPictureStatus;

public: GdPictureStatus FxGrayscale( 
   int ImageID
)

public:
GdPictureStatus FxGrayscale( 
   int ImageID
)

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

Parameters

ImageID: GdPicture image identifier.

Return Value

A member of the GdPictureStatus enumeration.

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

Performing a grayscale effect on a GdPicture image.

C#

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.jpg", true);
 
    // Convert an image to grayscale.
    gdpictureImaging.FxGrayscale(imageID);
    gdpictureImaging.SaveAsJPEG(imageID, "image.jpg");
    gdpictureImaging.ReleaseGdPictureImage(imageID);
}

Reference

GdPictureImaging Class
GdPictureImaging Members
SetROI Method
ResetROI Method