Automatically splits document images that have two pages inside it.
#include "ltwrappr.h"
virtual L_INT LBitmap::AutoPageSplitter(pOutBitmap, SplittingCoord)
Pointer of BITMAPHANDLE[2] array, the first element will be filled with the left page, and the second element with the right page.
Pointer to a variable to be updated with the column number of the splitting point.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
Finds and split a two-page documents.
Input image should contain two pages, horizontally, side-by-side.
This function allocates two new bitmaps with same original document dimensions.
This function can only process entire images. It does not support regions.
This function supports 24- and 36-bit color images and 8- grayscale images.
The returned bitmap is 1-bit depth.
Win32, x64.
#if defined (LEADTOOLS_V19_OR_LATER)
L_INT LBitmap__AutoPageSplitterExample(L_VOID)
{
L_INT nRet;
LBitmap LeadBitmap;
nRet =LeadBitmap.Load(MAKE_IMAGE_PATH(TEXT("ScannedBook.jpg")), 0,ORDER_BGR);
if(nRet !=SUCCESS)
return nRet ;
/* Apply border remove filter to clean up black borders*/
nRet = LeadBitmap.BorderRemove(NULL, BORDER_SMART_AUTO_REMOVE) ;
if (nRet != SUCCESS)
{
return nRet ;
}
/* Apply Page splitter*/
BITMAPHANDLE OutBitmap[2] ;
OutBitmap[0].Flags.Allocated = 0 ;
OutBitmap[1].Flags.Allocated = 0 ;
L_UINT SplitterCoordinates = 0 ;
nRet = LeadBitmap.AutoPageSplitter(OutBitmap, &SplitterCoordinates) ;
if (nRet != SUCCESS)
{
return nRet ;
}
nRet = LeadBitmap.ExpandPage(&(OutBitmap[0]));
if(OutBitmap[0].Flags.Allocated)
L_FreeBitmap(&OutBitmap[0]) ;
if(OutBitmap[1].Flags.Allocated)
L_FreeBitmap(&OutBitmap[1]) ;
return nRet ;
}
#endif // LEADTOOLS_V19_OR_LATER
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