Displays the Punch dialog box, and gets the options for L_PunchBitmap.
L_LTDLG_API L_INT L_DlgPunch(hWndOwner, pDlgParams)
Handle of the window which owns the dialog.
Pointer to a PUNCHDLGPARAMS 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.
|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.|
This dialog has the following fields:
This section contains two edit boxes and a display area for setting the pivot point. You can also set the pivot point by right-clicking on the Before view. The Pivot point
Use this to set the pivot's x-axis position in the image. Enter the value directly in the edit box or use the arrows to set the desired value.
Use this to set the pivot's y-axis position in the image. Enter the value directly in the edit box or use the arrows to set the desired value.
Displays the mouse position with respect to the image.
Use the Center button to center the Before and After views with respect to
L_INT DLGPunchExample(HWND hWnd,pBITMAPHANDLE pBitmap)
PUNCHDLGPARAMS DlgParams ;
memset ( &DlgParams, 0, sizeof ( PUNCHDLGPARAMS ) ) ;
DlgParams.uStructSize = sizeof ( PUNCHDLGPARAMS ) ;
DlgParams.pBitmap = pBitmap ;
DlgParams.uDlgFlags = DLG_PUNCH_SHOW_PREVIEW |
nRet = L_DlgInit ( DLG_INIT_COLOR ) ;
if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED)
nRet = L_DlgPunch ( hWnd, &DlgParams ) ;
if(nRet < 1)
nRet = L_DlgFree () ;
if(nRet != SUCCESS)