#include "l_bitmap.h"
L_LTDLG_API L_INT L_DlgRotate (hWndOwner, pDlgParams)
Displays the Rotate dialog box, and gets the options for L_RotateBitmap.
Handle of the window which owns the dialog.
Pointer to a ROTATEDLGPARAMS 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 Rotate dialog.
Required DLLs and Libraries
L_INT DlgRotateExample(HWND hWnd,pBITMAPHANDLE pBitmap)
{
L_INT nRet;
ROTATEDLGPARAMS DlgParams ;
memset ( &DlgParams, 0, sizeof ( ROTATEDLGPARAMS ) ) ;
DlgParams.uStructSize = sizeof ( ROTATEDLGPARAMS ) ;
DlgParams.pBitmap = pBitmap ;
DlgParams.nAngle = 4500 ;
DlgParams.uDlgFlags = DLG_ROTATE_SHOW_PREVIEW |
DLG_ROTATE_SHOW_BACKCOLOR |
DLG_ROTATE_SHOW_RESIZE ;
nRet = L_DlgInit ( DLG_INIT_COLOR ) ;
if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED)
return nRet;
nRet = L_DlgRotate ( hWnd, &DlgParams ) ;
if(nRet < 1)
return nRet;
nRet = L_DlgFree () ;
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}