GdPictureImaging.FxBlackNWhiteT Method

Performs black & white effect on a GdPicture image or into an area of a GdPicture image defined by SetROI() function using a specific threshold value.

public GdPictureStatus FxBlackNWhiteT(
    int ImageID, 
    int Threshold
);

Visual Basic

Public Function FxBlackNWhiteT(
    ByVal ImageID As Integer, 
    ByVal Threshold As Integer
) As GdPictureStatus

Parameters

Parameters	Description
ImageID	GdPicture Image Identifier.
Threshold	Value between [1 and 254] The default value is 128 which means '50%'. pixel lighter than 50% => become white, darker => become black.

Returns

A member of the GdPictureStatus enumeration.