#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgPrewittFilter (hWndOwner, pDlgParams)
Displays the Prewitt Filter dialog box, and gets the options for L_SpatialFilterBitmap.
Handle of the window which owns the dialog.
Pointer to a PREWITTFILTERDLGPARAMS 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.
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. |
Required DLLs and Libraries
L_INT DLGPrewittFilterExample(HWND hWnd,pBITMAPHANDLE pBitmap)
{
L_INT nRet;
PREWITTFILTERDLGPARAMS DlgParams ;
memset ( &DlgParams, 0, sizeof ( PREWITTFILTERDLGPARAMS ) ) ;
DlgParams.uStructSize = sizeof ( PREWITTFILTERDLGPARAMS ) ;
DlgParams.pBitmap = pBitmap ;
DlgParams.pFilter = FLT_PREWITT_HORZ ;
DlgParams.uDlgFlags = DLG_PREWITTFILTER_SHOW_PREVIEW |
DLG_PREWITTFILTER_SHOW_TOOL_ZOOMLEVEL;
nRet = L_DlgInit ( DLG_INIT_COLOR ) ;
if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED)
return nRet;
nRet = L_DlgPrewittFilter ( hWnd, &DlgParams ) ;
if(nRet < 1)
return nRet;
nRet = L_DlgFree () ;
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}