LEADTOOLS Raster imaging C++ Class library help
| LEADTOOLS Raster Imaging C++ Class Library Help > Classes and Member Functions > LBitmap > LBitmap Member Functions > LBitmap::DotRemoveCallBack |
#include "ltwrappr.h"
virtual L_INT LBitmap::DotRemoveCallBack(hRgn, pBoundingRect, iWhiteCount, iBlackCount)
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HRGN hRgn; |
/* windows region */ |
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PRECT pBoundingRect; |
/* pointer to a PRECT structure */ |
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L_INT32 iWhiteCount; |
/* number of white pixels */ |
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L_INT32 iBlackCount; |
/* number of black pixels */ |
Called for each dot found by LBitmap::DotRemove.
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Parameter |
Description |
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hRgn |
Windows region representing the dot to be removed. It is the programmer's responsibility to delete this region (using DeleteObject()) when it is no longer needed. |
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pBoundingRect |
Pointer to a PRECT structure that contains the bounding rectangle of the dot being processed. |
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iWhiteCount |
Total number of white pixels in the dot being processed. |
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iBlackCount |
Total number of black pixels in the dot being processed. |
Returns
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SUCCESS_REMOVE |
Remove the dot. |
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SUCCESS_NOREMOVE |
Do not remove the dot. |
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Otherwise |
An error occurred. Refer to Return Codes. |
Comments
This function is called once for each dot, speck, or blob that is detected Return SUCCESS_REMOVE to have the dot removed. Return SUCCESS_NOREMOVE to leave the dot unchanged. Pass any other value to abort. This value will be the return value of the LBitmap::DotRemove(). If DOT_IMAGE_UNCHANGED and DOT_SINGLE_REGION are being used, then the return value of this function affects only the internal single region that contains all the changes.
Required DLLs and Libraries
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LTIMG 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
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Functions: |
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Topics: |
Example
For an example, refer to LBitmap::DotRemove.
