References ▼
#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgUnderlay(hWndOwner, pDlgParams)
Displays the Underlay dialog box, and gets the options for L_UnderlayBitmap.
Handle of the window which owns the dialog.
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.
| 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 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,MAKE_IMAGE_PATH(TEXT("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;}