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L_DlgDotRemove

Summary

Displays the Dot Remove dialog box, and gets the options for L_DotRemoveBitmap.

This function is available in the Document/Medical toolkits.

Syntax

#include "l_bitmap.h"

L_LTDLG_API L_INT L_DlgDotRemove(hWndOwner, pDlgParams)

Parameters

L_HWND hWndOwner

Handle of the window which owns the dialog.

LPDOTREMOVEDLGPARAMS pDlgParams

Pointer to a DOTREMOVEDLGPARAMS 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 L_DotRemoveBitmap function only works with 1-bit images. If you provide a bitmap in the DOTREMOVEDLGPARAMS structure, it must be a 1-bit bitmap.

The Dot Remove dialog.

Required DLLs and Libraries

LTDLGIMGDOC
LTDLGKRN
LTDLGUTL
LTDLGCTRL
LTDLGCOM
LTDIS
LTIMGUTL
LTIMGCOR
LTKRN
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

Example

L_INT ShowDlgDotRemoveExample(HWND hWnd,pBITMAPHANDLE pBitmap) 
{ 
   L_INT nRet; 
   DOTREMOVEDLGPARAMS   DlgParams ; 
   BITMAPHANDLE         BitmapRegion ; 
 
   memset ( &DlgParams, 0, sizeof ( DOTREMOVEDLGPARAMS ) ) ; 
   memset ( &BitmapRegion, 0, sizeof ( BITMAPHANDLE ) ) ; 
 
   DlgParams.uStructSize                  = sizeof ( DOTREMOVEDLGPARAMS ) ; 
   DlgParams.pBitmap                      = pBitmap ; 
   DlgParams.DotRemove.uStructSize        = sizeof ( DOTREMOVE ) ; 
   DlgParams.DotRemove.pBitmapRegion      = &BitmapRegion ; 
   DlgParams.DotRemove.uBitmapStructSize  = sizeof ( BITMAPHANDLE ); 
   DlgParams.DotRemove.iMinDotWidth       = 1000 ; 
   DlgParams.DotRemove.iMinDotHeight      = 1000 ; 
   DlgParams.DotRemove.iMaxDotWidth       = 1000 ; 
   DlgParams.DotRemove.iMaxDotHeight      = 1000 ; 
   DlgParams.DotRemove.uFlags             = DOT_USE_DIAGONALS | 
                                            DOT_USE_DPI       ; 
   DlgParams.uDlgFlags                    = DLG_DOTREMOVE_SHOW_PREVIEW        | 
                                            DLG_DOTREMOVE_SHOW_TOOL_ZOOMLEVEL ; 
 
   nRet = L_DlgInit ( DLG_INIT_COLOR ) ; 
   if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) 
      return nRet; 
   nRet = L_DlgDotRemove ( hWnd, &DlgParams ) ; 
   if(nRet < 1) 
      return nRet; 
   if(L_BitmapHasRgn(&BitmapRegion)) 
      L_FreeBitmapRgn(&BitmapRegion); 
   nRet = L_DlgFree () ; 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
} ;