In This Topic ▼

L_DlgZoomWave

Summary

Displays the Zoom Wave dialog box, and gets the options for L_ZoomWaveBitmap.

Syntax

#include "l_bitmap.h"

L_LTDLG_API L_INT L_DlgZoomWave(hWndOwner, pDlgParams)

Parameters

L_HWND hWndOwner

Handle of the window which owns the dialog.

LPZOOMWAVEDLGPARAMS pDlgParams

Pointer to a ZOOMWAVEDLGPARAMS 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

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.

Comments

The Zoom Wave dialog.

This dialog has the following fields:

$image\Icon_Pivot.gif$
Pivot Section:

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

$image\Icon_Pivot.gif$

appears on the point you just clicked.

X Edit box:

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.

Y Edit box:

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.

Cursor Pos (x,y)

Displays the mouse position with respect to the image.

Center Button:

Use the Center button to center the Before and After views with respect to

$image\Icon_Pivot.gif$

the pivot point position.

Required DLLs and Libraries

LTDLGIMGEFX
LTDLGKRN
LTDLGUTL
LTDLGCTRL
LTDLGCOM
LTDIS
LTIMGUTL
LTIMGSFX
LTKRN
For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application

Example

L_INT DLGZoomWaveExample(HWND hWnd,pBITMAPHANDLE  pBitmap) 
{ 
   L_INT nRet; 
   ZOOMWAVEDLGPARAMS DlgParams ; 
 
   memset ( &DlgParams, 0, sizeof ( ZOOMWAVEDLGPARAMS ) ) ; 
 
   DlgParams.uStructSize   = sizeof ( ZOOMWAVEDLGPARAMS ) ; 
   DlgParams.pBitmap       = pBitmap ; 
   DlgParams.uDlgFlags     = DLG_ZOOMWAVE_SHOW_PREVIEW       | 
                             DLG_ZOOMWAVE_SHOW_TOOL_ZOOMLEVEL; 
 
   nRet = L_DlgInit ( DLG_INIT_COLOR ) ; 
   if(nRet != SUCCESS && nRet != ERROR_DLG_ALREADYINITIATED) 
      return nRet; 
   nRet = L_DlgZoomWave( hWnd, &DlgParams ) ; 
   if(nRet < 1) 
      return nRet; 
   nRet = L_DlgFree () ; 
   if(nRet != SUCCESS) 
      return nRet; 
   return SUCCESS; 
}