GdPictureImaging.FxBlackNWhite Method (Integer, BitonalReduction, Integer)

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

This function takes a parameter to defines the palette color weight.

public GdPictureStatus FxBlackNWhite(
    int ImageID, 
    BitonalReduction Mode, 
    int PalWeight
);

Visual Basic

Public Function FxBlackNWhite(
    ByVal ImageID As Integer, 
    ByVal Mode As BitonalReduction, 
    ByVal PalWeight As Integer
) As GdPictureStatus

Parameters

Parameters	Description
ImageID	GdPicture Image Identifier.
Mode	A member of the BitonalReduction enumeration.
PalWeight	The color palette weight. Must be > 0. Default value is 15. Only available for Burke, Stucki & FloydSteinberg filters.

Returns

A member of the GdPictureStatus enumeration.