#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgGradientFilter (hWndOwner, pDlgParams )
Displays the Gradient Filter dialog box, and gets the options for L_SpatialFilterBitmap.
Handle of the window which owns the dialog.
Pointer to a GRADIENTFILTERDLGPARAMS 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. |
The GradientFilter dialog.
Required DLLs and Libraries
L_INT DLGGradientFilterExample(HWND hWnd,pBITMAPHANDLE pBitmap)
{
L_INT nRet;
GRADIENTFILTERDLGPARAMS DlgParams ;
memset ( &DlgParams, 0, sizeof ( GRADIENTFILTERDLGPARAMS ) ) ;
DlgParams.uStructSize = sizeof ( GRADIENTFILTERDLGPARAMS ) ;
DlgParams.pBitmap = pBitmap ;
DlgParams.pFilter = FLT_GRADIENT_NE ;
DlgParams.uDlgFlags = DLG_GRADIENTFILTER_SHOW_PREVIEW |
DLG_GRADIENTFILTER_SHOW_TOOL_ZOOMLEVEL;
nRet = L_DlgInit ( DLG_INIT_COLOR ) ;
if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED)
return nRet;
nRet = L_DlgGradientFilter ( hWnd, &DlgParams ) ;
if(nRet < 1)
return nRet;
nRet = L_DlgFree () ;
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}