L_DlgEdgeDetector

#include "l_bitmap.h"

L_LTDLG_API L_INT L_DlgEdgeDetector(hWndOwner, pDlgParams)

Displays the Edge Detector dialog box, and gets the options for L_EdgeDetectorBitmap.

Parameters

L_HWND hWndOwner

Handle of the window which owns the dialog.

LPEDGEDETECTORDLGPARAMS pDlgParams

Pointer to a EDGEDETECTORDLGPARAMS 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 Edge Detector dialog.

Required DLLs and Libraries

See Also

Functions

Topics

Example

L_INT DLGEdgeDetectorExample(HWND hWnd,pBITMAPHANDLE pBitmap) 
{ 
   L_INT nRet; 
   EDGEDETECTORDLGPARAMS DlgParams ;  
 
   memset ( &DlgParams, 0, sizeof ( EDGEDETECTORDLGPARAMS ) ) ; 
 
   DlgParams.uStructSize = sizeof ( EDGEDETECTORDLGPARAMS ) ; 
   DlgParams.pBitmap     = pBitmap ; 
   DlgParams.uDlgFlags   = DLG_EDGEDETECTOR_SHOW_PREVIEW       | 
                           DLG_EDGEDETECTOR_SHOW_TOOL_ZOOMLEVEL; 
 
   nRet = L_DlgInit ( DLG_INIT_COLOR ) ; 
   if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) 
      return nRet; 
   nRet = L_DlgEdgeDetector ( hWnd, &DlgParams ) ; 
   if(nRet < 1) 
      return nRet; 
   nRet = L_DlgFree () ; 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
} ; 
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