LBitmap::DotRemoveCallBack (original) (raw)
Summary
Called for each dot found by LBitmap::DotRemove.
Syntax
#include "ltwrappr.h"
virtual L_INT LBitmap::DotRemoveCallBack(hRgn, pBoundingRect, iWhiteCount, iBlackCount)
Parameters
HRGN 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.
PRECT pBoundingRect
Pointer to a PRECT structure that contains the bounding rectangle of the dot being processed.
L_INT32 iWhiteCount
Total number of white pixels in the dot being processed.
L_INT32 iBlackCount
Total number of black pixels in the dot being processed.
Returns
| Value | Meaning |
|---|---|
| SUCCESS_REMOVE | Remove the dot. |
| SUCCESS_NOREMOVE | Do not remove the dot. |
| 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
- 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
Functions
Topics
Example
For an example, refer to LBitmap::DotRemove.
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