virtual L_INT LBitmap::BinaryFilter(pFilter, uFlags = 0)
Imposes a binary filter on the class object's bitmap.
Pointer to the binary filter to use. You can use one of the following predefined filters:
Value | Meaning |
---|---|
BFLT_EROSION_OMNI | [#define] Shrinks black objects in the image. The effect is biased in the specified direction. |
BFLT_EROSION_HORZ | |
BFLT_EROSION_VERT | |
BFLT_EROSION_DIAG | |
BFLT_DILATION_OMNI | [#define] Enlarges black objects in the image. The effect is biased in the specified direction. |
BFLT_DILATION_HORZ | |
BFLT_DILATION_VERT | |
BFLT_DILATION_DIAG |
Reserved for future use. Must be 0.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
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__BinaryFilterExample()
{
L_INT nRet;
LBitmap m_Bitmap;
nRet =m_Bitmap.Load(MAKE_IMAGE_PATH(TEXT("ImageProcessingDemo\\Image1.jpg")), 0,ORDER_BGR);
if(nRet !=SUCCESS)
return nRet;
nRet =m_Bitmap.BinaryFilter(BFLT_DILATION_OMNI);
if(nRet !=SUCCESS)
return nRet;
return SUCCESS;
}
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