Reference Guide
GdPicture14 Namespace / GdPictureImaging Class / AdjustRGB Method
GdPicture image identifier.
Value to add to the red component [-255 ; 255].
Value to add to the green component [-255 ; 255].
Value to add to the blue component [-255 ; 255].
Example





In This Topic
    AdjustRGB Method (GdPictureImaging)
    In This Topic
    Increase or decrease the color components of a GdPicture image or of an area of a GdPicture image defined by SetROI() method.
    Syntax
    'Declaration
     
    
    Public Function AdjustRGB( _
       ByVal ImageID As Integer, _
       ByVal RedAdjust As Integer, _
       ByVal GreenAdjust As Integer, _
       ByVal BlueAdjust As Integer _
    ) As GdPictureStatus
    public GdPictureStatus AdjustRGB( 
       int ImageID,
       int RedAdjust,
       int GreenAdjust,
       int BlueAdjust
    )
    public function AdjustRGB( 
        ImageID: Integer;
        RedAdjust: Integer;
        GreenAdjust: Integer;
        BlueAdjust: Integer
    ): GdPictureStatus; 
    public function AdjustRGB( 
       ImageID : int,
       RedAdjust : int,
       GreenAdjust : int,
       BlueAdjust : int
    ) : GdPictureStatus;
    public: GdPictureStatus AdjustRGB( 
       int ImageID,
       int RedAdjust,
       int GreenAdjust,
       int BlueAdjust
    ) 
    public:
    GdPictureStatus AdjustRGB( 
       int ImageID,
       int RedAdjust,
       int GreenAdjust,
       int BlueAdjust
    ) 

    Parameters

    ImageID
    GdPicture image identifier.
    RedAdjust
    Value to add to the red component [-255 ; 255].
    GreenAdjust
    Value to add to the green component [-255 ; 255].
    BlueAdjust
    Value to add to the blue component [-255 ; 255].

    Return Value

    A member of the GdPictureStatus enumeration.
    Remarks
    This method is used in the "Image Processing" Demo.
    Example
    Adjusting the RGB values of the 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("input.jpg", true);
     
        // Choose the intensity of red, blue and green values between [-255 ; 255].
        int redAdjust = 50;
        int blueAdjust = 0;
        int greenAdjust = 100;
     
        // Adjust the RGB values on your image.
        gdpictureImaging.AdjustRGB(imageID, redAdjust, greenAdjust, blueAdjust);
        gdpictureImaging.SaveAsJPEG(imageID, "input.jpg");
        gdpictureImaging.ReleaseGdPictureImage(imageID);
    }
    See Also