References ▼
#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.
Handle of the window which owns the dialog.
Pointer to an 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.
| 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 Edge Detector dialog.
Required DLLs and Libraries
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;} ;