L_DlgSobelFilter

#include "l_bitmap.h"

L_LTDLG_API L_INT L_DlgSobelFilter (hWndOwner, pDlgParams)

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

Parameters

L_HWND hWndOwner

Handle of the window which owns the dialog.

LPSOBELFILTERDLGPARAMS pDlgParams

Pointer to a SOBELFILTERDLGPARAMS 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 Sobel Filter dialog.
Required DLLs and Libraries

See Also

Functions

Topics

Example

L_INT DLGSobelFilterExample(HWND hWnd,pBITMAPHANDLE  pBitmap) 
{ 
   L_INT nRet; 
   SOBELFILTERDLGPARAMS DlgParams ; 
 
   memset ( &DlgParams, 0, sizeof ( SOBELFILTERDLGPARAMS ) ) ; 
 
   DlgParams.uStructSize   = sizeof ( SOBELFILTERDLGPARAMS ) ; 
   DlgParams.pBitmap       = pBitmap ; 
   DlgParams.pFilter       = FLT_SOBEL_HORZ ; 
   DlgParams.uDlgFlags     = DLG_SOBELFILTER_SHOW_PREVIEW       | 
                             DLG_SOBELFILTER_SHOW_TOOL_ZOOMLEVEL; 
 
   nRet = L_DlgInit ( DLG_INIT_COLOR ) ; 
   if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) 
      return nRet; 
   nRet = L_DlgSobelFilter ( hWnd, &DlgParams ) ; 
   if(nRet < 1) 
      return nRet; 
   nRet = L_DlgFree () ; 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
} 
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© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.