#include "ltwrappr.h"

L_INT LBitmap::DocumentSegmentBitmap(AlmostBalckAndWhite, Flags)

L_BOOL* AlmostBalckAndWhite;

shows whether the image is almost black and white or not

L_UINT Flags;


Specifies if the input image is almost black and white or not.

Parameter Description
AlmostBalckAndWhite True if the image is almost black and white, Otherwise, False.
Flags Reserved for future use. Must be 0.


SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.


This function does not support signed data images. It returns the error code ERROR_SIGNED_DATA_NOT_SUPPORTED if a signed data image is passed to this function.

This function supports 8, 12 and 16-bit grayscale and 24, 48 and 64-bit color images.

Required DLLs and Libraries

For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application.


Win32, x64.

See Also

Functions: LBitmap::Deskew, LBitmap::InvertedPage, Class Members
Topics: Removing Noise


This example loads a bitmap and applies document segment bitmap filter.

L_INT LBitmap__DocumentSegmentBitmapExample(L_VOID) 
    L_INT nRet ; 
    LBitmap LeadBitmap ; 
    nRet = LeadBitmap.Load(MAKE_IMAGE_PATH(TEXT("clean.tif")), 0,ORDER_BGR); 
    if(nRet !=SUCCESS) 
        return nRet; 
    /* Apply document segment bitmap filter */ 
    L_BOOL AlmostBalckAndWhite ; 
    nRet = LeadBitmap.DocumentSegmentBitmap(&AlmostBalckAndWhite, 0); 
    return nRet ; 

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