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

Reference

GdPictureImaging Class
GdPictureImaging Members
SetROI Method
ResetROI Method