Reference Guide
GdPicture14 Namespace / GdPictureImaging Class / FxColorDropout Method
GdPicture image identifier.
A member of the ColorDropoutFilter enumeration defining the color to remove and the way to remove it.
Example





In This Topic
    FxColorDropout Method (GdPictureImaging)
    In This Topic
    Dropout a color from the image.
    Syntax
    'Declaration
     
    
    Public Function FxColorDropout( _
       ByVal ImageID As Integer, _
       ByVal Filter As ColorDropoutFilter _
    ) As GdPictureStatus
    public GdPictureStatus FxColorDropout( 
       int ImageID,
       ColorDropoutFilter Filter
    )
    public function FxColorDropout( 
        ImageID: Integer;
        Filter: ColorDropoutFilter
    ): GdPictureStatus; 
    public function FxColorDropout( 
       ImageID : int,
       Filter : ColorDropoutFilter
    ) : GdPictureStatus;
    public: GdPictureStatus FxColorDropout( 
       int ImageID,
       ColorDropoutFilter Filter
    ) 
    public:
    GdPictureStatus FxColorDropout( 
       int ImageID,
       ColorDropoutFilter Filter
    ) 

    Parameters

    ImageID
    GdPicture image identifier.
    Filter
    A member of the ColorDropoutFilter enumeration defining the color to remove and the way to remove it.

    Return Value

    A member of the GdPictureStatus enumeration.
    Example
    Removing form from a jpeg 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);
     
        // Dropout the red pixels from the scan of a red form (pixels are set to white).
        gdpictureImaging.FxColorDropout(imageID, ColorDropoutFilter.RedForm);
        gdpictureImaging.SaveAsJPEG(imageID, "image.jpg", 75);
        gdpictureImaging.ReleaseGdPictureImage(imageID);
    }
    See Also