LEADTOOLS Raster imaging C++ Class library help
| LEADTOOLS Raster Imaging C++ Class Library Help > Classes and Member Functions > LBitmap > LBitmap Member Functions > LBitmap::LineRemoveCallBack |
#include "ltwrappr.h"
virtual L_INT LBitmap::LineRemoveCallBack(hRgn, iStartRow, iStartCol, iLength)
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HRGN hRgn; |
/* windows region */ |
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L_INT32 iStartRow; |
/* starting row */ |
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L_INT32 iStartCol; |
/* starting column */ |
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L_INT32 iLength; |
/* line length */ |
Called for each line found by LBitmap::LineRemove.
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Parameter |
Description |
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hRgn |
Windows region representing a line 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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iStartRow |
The starting row of the line. The rows are zero-based. |
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iStartCol |
The starting column of the line. The columns are zero-based. |
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iLength |
Length (in pixels) of the line. |
Returns
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SUCCESS_REMOVE |
Remove the line. |
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SUCCESS_NOREMOVE |
Do not remove the line. |
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Otherwise |
An error occurred. Refer to Return Codes. |
Comments
This function is called for each line found by LBitmap::LineRemove. Return SUCCESS_REMOVE to have the line removed. Return SUCCESS_NOREMOVE to leave the line unchanged. Pass any other value to abort. This value will be the return value of the LBitmap::LineRemove(). If flags LINE_IMAGE_UNCHANGED and LINE_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::LineRemove.
