l_AutoDocumentBinarization

#include "l_bitmap.h"

l_LTIMGCOR_APIl_INTl_AutoDocumentBinarization(pBitmap)

Applies binary segmentation to a bitmap automatically.

Parameters

pBITMAPHANDLEpBitmap

Pointer to the bitmap handle that references the bitmap to be affected.

Returns

Value Meaning
SUCCESS The function was successful.
<1 An error occurred. Refer toReturn Codes.

Comments

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 does not support 12 and 16-bit grayscale and 48 and 64-bit color images.

This function does not support 32-bit grayscale images. It returns the error code ERROR_GRAY32_UNSUPPORTED if a 32-bit grayscale image is passed to this function.

Required DLLs and Libraries

Platforms

Win32, x64, Linux.

See Also

Functions

Topics

Example

This example loads a bitmap and applies auto document binarization filter.

l_INT AutoDocumentBinarizationFilterBitmapExample(L_VOID){l_INT nRet;BITMAPHANDLE LeadBitmap;/* Bitmap handle to hold the loaded image. *//* Load the bitmap, keeping the bits per pixel of the file */nRet = L_LoadBitmap (MAKE_IMAGE_PATH(TEXT("Sample.mrc")), &LeadBitmap,sizeof(BITMAPHANDLE), 0, ORDER_BGR, NULL, NULL);if(nRet !=SUCCESS)returnnRet;/* Apply a auto document binarization filter*/nRet = L_AutoDocumentBinarization(&LeadBitmap);if(nRet !=SUCCESS)returnnRet;nRet = L_SaveBitmap(MAKE_IMAGE_PATH(TEXT("Result.BMP")), &LeadBitmap, FILE_BMP, 24, 0, NULL);if(nRet !=SUCCESS)returnnRet;//free bitmapif(LeadBitmap.Flags.Allocated)l_FreeBitmap(&LeadBitmap);returnSUCCESS;}

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