GdPicture image identifier.
Gamma adjustment between -100 and 100.
Example





In This Topic
GdPicture14 Namespace / GdPictureImaging Class / SetGammaCorrection Method

SetGammaCorrection Method (GdPictureImaging)

In This Topic
Performs Gamma Correction in a GdPicture image or in an area of a GdPicture image defined by SetROI() method.
Syntax
'Declaration

 


Public Function SetGammaCorrection( _

   ByVal ImageID As Integer, _

   ByVal Gamma As Integer _

) As GdPictureStatus
public GdPictureStatus SetGammaCorrection( 

   int ImageID,

   int Gamma

)
public function SetGammaCorrection( 

    ImageID: Integer;

    Gamma: Integer

): GdPictureStatus; 
public function SetGammaCorrection( 

   ImageID : int,

   Gamma : int

) : GdPictureStatus;
public: GdPictureStatus SetGammaCorrection( 

   int ImageID,

   int Gamma

) 
public:

GdPictureStatus SetGammaCorrection( 

   int ImageID,

   int Gamma

)

Parameters

ImageID
GdPicture image identifier.
Gamma
Gamma adjustment between -100 and 100.

Return Value

A member of the GdPictureStatus enumeration.
Remarks
This method is used in the "Image Processing" Demo.
Example
Performing Gamma Correction on an 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);

 

    // Set the gamma intensity [-100;100].

    int gamma = 70;

 

    // Apply the gamma value to an image.

    gdpictureImaging.SetGammaCorrection(imageID, gamma);

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

    gdpictureImaging.ReleaseGdPictureImage(imageID);

}
See Also

Reference

GdPictureImaging Class
GdPictureImaging Members
SetROI Method
ResetROI Method
SetBCSG Method