Classes and Member Functions > LBitmap > LBitmap Member Functions > LBitmap::LineRemoveCallBack

LBitmap::LineRemoveCallBack

#include "ltwrappr.h"

virtual L_INT LBitmap::LineRemoveCallBack(hRgn, iStartRow, iStartCol, iLength)

HRGN hRgn;	windows region
L_INT32 iStartRow;	starting row
L_INT32 iStartCol;	starting column
L_INT32 iLength;	line length

Called for each line found by LBitmap::LineRemove.

Parameter	Description
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.
iStartRow	The starting row of the line. The rows are zero-based.
iStartCol	The starting column of the line. The columns are zero-based.
iLength	Length (in pixels) of the line.

Returns

SUCCESS_REMOVE	Remove the line.
SUCCESS_NOREMOVE	Do not remove the line.
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.

Functions:	LBitmap::LineRemove
Topics:	Cleaning Up 1-Bit Images

LBitmap::LineRemoveCallBack

Returns

Comments

Example