Description Converts color image to grayscale.
Usage NewDib = [IMG.]ConvColorDIBtoGrayscale Dib Method Psychovisual
Remarks NewDib LONGLONG The converted device independent bitmap.
Dib LONGLONG Device independent bitmap to convert.
Method Integer Method of conversion. The following values are defined:
imgatNoAntialiasing No antialiasing.
imgatAntialiasing33 Antialiasing with 3x3 resample area.
imgatAntialiasing55 Antialiasing with 5x5 resample area.
Psychovisual Boolean Determines the computation of pixel luminance.
False The resulting (gray) pixel value is the simple average of color components.
True The resulting (gray) pixel value is the weighted sum of ‘red’, ‘green’ and ‘blue’ components.