LEADTOOLS Raster imaging C++ Class library help
| LEADTOOLS Raster Imaging C++ Class Library Help > Classes and Member Functions > LBitmap > LBitmap Member Functions > LBitmap::BorderRemoveCallBack |
#include "ltwrappr.h"
virtual L_INT LBitmap::BorderRemoveCallBack(hRgn, uBorderToRemove, pBoundingRect)
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HRGN hRgn; |
/* windows region */ |
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L_UINT32 uBorderToRemove; |
/* border flag */ |
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PRECT pBoundingRect; |
/* pointer to a RECT structure */ |
Called for each border found by LBitmap::BorderRemove.
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Parameter |
Description |
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hRgn |
Windows region representing the border 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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uBorderToRemove |
Flag that indicates which border is being processed. Possible values are: |
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Value |
Meaning |
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BORDER_LEFT |
The left border is being processed. |
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BORDER_TOP |
The top border is being processed. |
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BORDER_RIGHT |
The right border is being processed. |
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BORDER_BOTTOM |
The bottom border is being processed. |
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pBoundingRect |
Pointer to a RECT structure that contains the bounding rectangle of the border being processed. |
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Returns
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SUCCESS_REMOVE |
Remove the border. |
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SUCCESS_NOREMOVE |
Do not remove the border. |
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Otherwise |
An error occurred. Refer to Return Codes. |
Comments
This function is called once for each border found by LBitmap::BorderRemove. It is called a maximum of four times for each call to the LBitmap::BorderRemove. Return SUCCESS_REMOVE to have the border removed. Return SUCCESS_NOREMOVE to leave the border unchanged. Pass any other value to abort. This value will be the return value of the LBitmap::BorderRemove(). If flags BORDER_IMAGE_UNCHANGED and BORDER_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::BorderRemove.
