LDialogImage::DoModalAutoTrim

#include "ltwrappr.h"

virtual L_INT LDialogImage::DoModalAutoTrim(hWndOwner)

HWND hWndOwner;

/* handle of the window which owns the dialog */

Displays the AutoTrim dialog box, and gets the options for LBitmap::AutoTrim .

Parameter

Description

hWndOwner

Handle of the window which owns the dialog.

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

LDialogImage::SetAutoTrimParams must be called before using this function to set the initial values for the dialog. You can get the updated AUTOTRIMDLGPARAMS with the values entered by the user through the dialog by using LDialogImage::GetAutoTrimParams.

The Auto Trim dialog.

Required DLLs and Libraries

LTDLGIMG
LTDLGKRN
LTDLGUTL
LTDLGCTRL
LTDLGCOM
LTDIS
LTIMGUTL
LTIMGCOR

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:

LBase::EnableCallBack , LDialogBase::EnablePreview, LDialogBase::EnableAutoProcess, LDialogBase::EnableToolbar, LDialogBase::Free, LDialogImage::SetAutoTrimParams, LDialogImage::GetAutoTrimParams, LDialogBase::Initialize, LBitmap::AutoTrim , Class Members

Topics:

Using Imaging Common Dialog

Example

L_INT LDialogImage_DoModalAutoTrimExample(LBitmap * pBitmap, HWND hWnd)
{
   L_INT nRet;
   LDialogImage DlgImage;
   nRet = LDialogImage::Initialize(DLG_INIT_COLOR );
   if(nRet != SUCCESS)
      return nRet;
   DlgImage.SetBitmap(pBitmap);
   AUTOTRIMDLGPARAMS DlgParams ; 
   memset ( &DlgParams, 0, sizeof ( AUTOTRIMDLGPARAMS ) ) ;
   DlgParams.uStructSize      = sizeof ( AUTOTRIMDLGPARAMS ) ;
   DlgImage.EnableCallBack (FALSE);
   DlgImage.EnablePreview(TRUE);
   DlgImage.EnableAutoProcess(TRUE);
   DlgImage.EnableToolbar(TRUE);
   nRet = DlgImage.SetAutoTrimParams(&DlgParams) ;
   if(nRet != SUCCESS)
      return nRet;
   nRet = DlgImage.DoModalAutoTrim(hWnd);
   if(nRet < 1)
      return nRet;
   // Gets the updated values for the structure
   nRet = DlgImage.GetAutoTrimParams(&DlgParams, sizeof(DlgParams)) ;
   if(nRet != SUCCESS)
      return nRet;
   nRet = LDialogImage::Free();
   if(nRet != SUCCESS)
      return nRet;
   return SUCCESS;
}