GdPicture image identifier.
Example





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FxGrayscale Method (GdPictureImaging)

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Performs grayscale effect on a GdPicture image or on an area of a GdPicture image defined by SetROI() method.
Syntax
'Declaration

 


Public Function FxGrayscale( _

   ByVal ImageID As Integer _

) As GdPictureStatus
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

)

Parameters

ImageID
GdPicture image identifier.

Return Value

A member of the GdPictureStatus enumeration.
Remarks
This method is used in the "Image Processing" Demo.
Example
Performing a grayscale effect on a GdPicture 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.jpg", true);

 

    // Convert an image to grayscale.

    gdpictureImaging.FxGrayscale(imageID);

    gdpictureImaging.SaveAsJPEG(imageID, "image.jpg");

    gdpictureImaging.ReleaseGdPictureImage(imageID);

}
See Also

Reference

GdPictureImaging Class
GdPictureImaging Members
SetROI Method
ResetROI Method