LBitmap::BinaryFilter

#include "ltwrappr.h"

virtual L_INT LBitmap::BinaryFilter(pFilter, uFlags = 0)

pBINARYFLT pFilter;

pointer to the binary filter to use

L_UINT32 uFlags;

flags

Imposes a binary filter on the class object's bitmap.

Parameter Description
pFilter Pointer to the binary filter to use. You can use one of the following predefined filters:
  Value Meaning
  BFLT_EROSION_OMNI
BFLT_EROSION_HORZ
BFLT_EROSION_VERT
BFLT_EROSION_DIAG
[#define] Shrinks black objects in the image. The effect is biased in the specified direction.
  BFLT_DILATION_OMNI
BFLT_DILATION_HORZ
BFLT_DILATION_VERT
BFLT_DILATION_DIAG
[#define] Enlarges black objects in the image. The effect is biased in the specified direction.
uFlags Reserved for future use. Must be 0.

Returns

SUCCESS

The function was successful.

< 1

An error occurred. Refer to Return Codes.

Comments

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.

Required DLLs and Libraries

LTDIS
LTFIL
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

Functions:

LBitmap::Fragment, LBitmap::HighPassFilter, LBitmap::UnsharpMask, LBitmap::Sharpen, LBitmap::Posterize, LBitmap::Mosaic, LBitmap::Emboss, LBitmap::AddNoise, LBitmap::MedianFilter, LBitmap::IntensityDetect, LBitmap::SpatialFilter, LBitmap::AverageFilter, LBitmap::MaxFilter, LBitmap::MinFilter, LBitmap::Oilify, LBitmap::Solarize, LBitmap::WindowLevel, LBitmap::WindowLevelExt, Class Members

Topics:

Raster Image Functions: Filtering Images

 

Removing Noise

 

Raster Image Functions: Removing Noise

Example

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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