#include "ltwrappr.h"

virtual L_INT LBitmapRgn::HolesRemovalRgn(uFlags = 0)

Removes all the holes in a region.


L_UINT32 uFlags

Reserved for future use. Must be 0.


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


This function is designed to work on bitmaps that have a region. It removes the holes from the bitmaps region. If this function is used with a bitmap that does not have a region, the "Invalid Parameter" error is returned.

This function supports 12 and 16-bit grayscale and 48 and 64-bit color images. Support for 12 and 16-bit grayscale and 48 and 64-bit color images is available only in the Document/Medical toolkits.

This function supports signed data images.

This function supports 32-bit grayscale images.

Required DLLs and Libraries


Win32, x64.

See Also




This example applies the holes removal filter

L_INT LBitmapRgn__HolesRemovalRgnExample(LBitmapRgn * LRgnWnd) 
   L_INT nRet; 
   // you must use LBitmapRgn::SetRgnMagicWand  
   // before calling this function. 
   nRet = LRgnWnd->HolesRemovalRgn(); 
   return nRet; 

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