Removes all the holes in a region.
#include "ltwrappr.h"
virtual L_INT LBitmapRgn::HolesRemovalRgn(uFlags = 0)
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.
Win32, x64.
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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