L_DlgPrewittFilter
#include "l_bitmap.h"
L_INT EXT_FUNCTION L_DlgPrewittFilter (hWndOwner, pDlgParams)
HWND hWndOwner; |
/* owner of dialog */ |
LPPREWITTFILTERDLGPARAMS pDlgParams; |
/* pointer to a structure */ |
Displays the Prewitt Filter dialog box, and gets the options for L_SpatialFilterBitmap.
Parameter |
Description |
hWndOwner |
Handle of the window which owns the dialog. |
pDlgParams |
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 dialog’s initial values. |
Returns
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 Prewitt Filter dialog can be seen below:
Required DLLs and Libraries
LTDLGIMGEFX For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application |
See Also
Functions: |
L_DlgInit, L_SpatialFilterBitmap, L_DlgLaplacianFilter, L_DlgGradientFilter, L_DlgSobelFilter, L_DlgLineSegmentFilter |
Topics: |
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Example
L_VOID ShowDialog ( HWND hWnd, pBITMAPHANDLE pBitmap )
{
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 ;
L_DlgInit ( 0 ) ;
L_DlgPrewittFilter ( hWnd, &DlgParams ) ;
L_DlgFree ( ) ;
}