L_DlgUnderlay
#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgUnderlay(hWndOwner, pDlgParams)
L_HWND hWndOwner; |
/* owner of dialog */ |
LPUNDERLAYDLGPARAMS pDlgParams; |
/* pointer to a UNDERLAYDLGPARAMS structure */ |
Displays the Underlay dialog box, and gets the options for L_UnderlayBitmap.
Parameter |
Description |
hWndOwner |
Handle of the window which owns the dialog. |
pDlgParams |
Pointer to a UNDERLAYDLGPARAMS 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
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
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: |
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Topics: |
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Example
L_INT DLGUnderlayExample(HWND hWnd,pBITMAPHANDLE pBitmap) { L_INT nRet; UNDERLAYDLGPARAMS DlgParam ; DLGBITMAPLISTITEM Items [ 1 ] ; DLGBITMAPLIST BitmapList ; memset ( &DlgParam, 0, sizeof ( UNDERLAYDLGPARAMS ) ) ; Items [ 0 ].pszFileName = ( L_TCHAR* ) malloc ( sizeof ( L_TCHAR ) * L_MAXPATH ) ; Items [ 0 ].pBitmap = (pBITMAPHANDLE) malloc ( sizeof ( BITMAPHANDLE ) ); lstrcpy ( Items [ 0 ].pszFileName, TEXT("C:\\Program Files\\LEAD Technologies\\LEADTOOLS 15\\Images\\ULAY1.BMP") ) ; nRet = L_LoadBitmapResize(Items [ 0 ].pszFileName, Items [ 0 ].pBitmap, sizeof( BITMAPHANDLE ), 100, 0, 24, 0, ORDER_BGR, NULL, NULL ) ; if(nRet != SUCCESS) return nRet; BitmapList.uStructSize = sizeof ( DLGBITMAPLIST ) ; BitmapList.pBitmapList = Items ; BitmapList.nCount = 1 ; DlgParam.uStructSize = sizeof ( UNDERLAYDLGPARAMS ) ; DlgParam.pBitmap = pBitmap ; DlgParam.uDlgFlags = DLG_UNDERLAY_AUTOPROCESS | DLG_UNDERLAY_SHOW_PREVIEW | DLG_UNDERLAY_SHOW_TOOL_ZOOMLEVEL; DlgParam.uUnderlayFlags = UB_TILE ; DlgParam.nUnderlayBitmapIndex = 0 ; DlgParam.pBitmapList = &BitmapList ; nRet = L_DlgInit ( DLG_INIT_COLOR ) ; if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) return nRet; nRet = L_DlgUnderlay (hWnd, &DlgParam ) ; if(nRet < 1) return nRet; nRet = L_DlgFree () ; if(nRet != SUCCESS) return nRet; L_FreeBitmap( Items [ 0 ].pBitmap ) ; free ( Items [ 0 ].pszFileName ) ; free ( Items [ 0 ].pBitmap ) ; return SUCCESS; }