L_DlgLineSegmentFilter

#include "l_bitmap.h"

L_LTDLG_API L_INT L_DlgLineSegmentFilter (hWndOwner, pDlgParams)

Displays the Line Segment Filter dialog box, and gets the options for L_SpatialFilterBitmap.

Parameters

L_HWND hWndOwner

Handle of the window which owns the dialog.

LPLINESEGMENTFILTERDLGPARAMS pDlgParams

Pointer to a LINESEGMENTFILTERDLGPARAMS structure to be updated with the values entered by the user, through the dialog. Set members of this structure, before calling this function, to set the dialogs initial values.

Returns

Value Meaning
SUCCESS_DLG_OK The "OK" button was pressed, and the dialog exited successfully.
SUCCESS_DLG_CANCEL The "Cancel" button was pressed, and the dialog exited successfully.
< 1 An error occurred. Refer to Return Codes.

Comments

The Line Segment Filter dialog.

Required DLLs and Libraries

See Also

Functions

Topics

Example

L_INT DLGLineSegmentFilterExample(HWND hWnd,pBITMAPHANDLE  pBitmap) 
{ 
   L_INT nRet; 
   LINESEGMENTFILTERDLGPARAMS DlgParams ; 
 
   memset ( &DlgParams, 0, sizeof ( LINESEGMENTFILTERDLGPARAMS ) ) ; 
 
   DlgParams.uStructSize   = sizeof ( LINESEGMENTFILTERDLGPARAMS ) ; 
   DlgParams.pBitmap       = pBitmap; 
   DlgParams.pFilter       = FLT_LINESEG_LTOR; 
   DlgParams.uDlgFlags     = DLG_LINESEGMENTFILTER_SHOW_PREVIEW       | 
                             DLG_LINESEGMENTFILTER_SHOW_TOOL_ZOOMLEVEL; 
 
   nRet = L_DlgInit ( DLG_INIT_COLOR ) ; 
   if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) 
      return nRet; 
   nRet = L_DlgLineSegmentFilter ( hWnd, &DlgParams ) ; 
   if(nRet < 1) 
      return nRet; 
   nRet = L_DlgFree () ; 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
} 
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