GdPictureImaging.ConvertTo1Bpp Method (Integer, Byte)

Converts a GdPicture image to a 1-bit BW indexed color image specifying a threshold value.

The color table has 2 entries: 1 Black & 1 White.

public GdPictureStatus ConvertTo1Bpp(
    int ImageID, 
    Byte Threshold
);

Visual Basic

Public Function ConvertTo1Bpp(
    ByVal ImageID As Integer, 
    ByVal Threshold As Byte
) As GdPictureStatus

Parameters

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

Returns

A member of the GdPictureStatus enumeration.