LEADTOOLS Raster Imaging C++ Class Library Help > Classes and Member Functions > LBitmapRgn > LBitmapRgn Member Functions > LBitmapRgn::HolesRemovalRgn |
#include "ltwrappr.h"
virtual L_INT LBitmapRgn::HolesRemovalRgn(uFlags = 0)
L_UINT32 uFlags; |
/* flags */ |
Removes all the holes in a region.
Parameter |
Description |
uFlags |
Reserved for future use. Must be 0. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
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
LTIMGEFX For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
Platforms
Win32, x64.
See Also
Example
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; }