virtual L_INT LBitmap::AverageFilter(uDim=3, uFlags = 0)
Changes the color of each pixel in the class object's bitmap to the average color of pixels in its neighborhood. This results in a blur effect.
Size of the averaging neighborhood. It is the length, in pixels, of one side of a square.
Reserved for future use. Must be 0.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
You control the amount of blur by specifying the size of the neighborhood that is used for averaging.
To update a status bar or detect a user interrupt during execution of this function, refer to LBase::EnableStatusCallback.
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 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.
Win32, x64.
L_INT LBitmap__AverageFilterExample()
{
L_INT nRet;
LBitmap m_Bitmap;
//Load the Image as its resolution
nRet =m_Bitmap.Load(MAKE_IMAGE_PATH(TEXT("sample2.cmp")), 0,ORDER_BGR);
if(nRet !=SUCCESS)
return nRet;
//Average Bitmap by 10
nRet =m_Bitmap.AverageFilter(10);
if(nRet !=SUCCESS)
return nRet;
m_Bitmap.Free();
return SUCCESS;
}
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