/*

* Copyright (c) 2007-2007 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description:  

*				

*

*/

#include"mgimageresolution.h"

// -----------------------------------------------------------------------------

// CImageResolution::NewL

// Returns the instance of CImageResolution.

// -----------------------------------------------------------------------------

 CImageResolution* CImageResolution::NewL(TDesC& aUrl)

    {

    CImageResolution* self = new(ELeave)CImageResolution();

    CleanupStack::PushL(self);

    self->ConstructL(aUrl);

    CleanupStack::Pop(self);

    return self;

    }

 // -----------------------------------------------------------------------------

 // CImageResolution::ConstructL

 // Symbian C++ constructor

 // -----------------------------------------------------------------------------

 void CImageResolution::ConstructL(TDesC& aUrl)

     {

     User::LeaveIfError(iFs.Connect());

     User::LeaveIfError(iFile.Open(iFs,aUrl,EFileRead));

     iImageDecoder = CImageDecoder::FileNewL(iFile ,ContentAccess::EPeek );

     }

 // -----------------------------------------------------------------------------

 // CImageResolution::CImageResolution

 // C++ constructor

 // -----------------------------------------------------------------------------

 CImageResolution::CImageResolution():iImageDecoder(NULL)

     {

     // reset frame info

     iFrameInfo.iBitsPerPixel = 0;

     iFrameInfo.iFlags = 0;

     iFrameInfo.iOverallSizeInPixels = TSize( 0, 0 );    

     }

 // -----------------------------------------------------------------------------

 // CImageResolution::CImageResolution

 // Destructor

 // -----------------------------------------------------------------------------

  CImageResolution::~CImageResolution()

     {

     iFile.Close();

     iFs.Close();

     if(iImageDecoder)

         {

         delete iImageDecoder;

         }

     }

  // -----------------------------------------------------------------------------

  // CImageResolution::GetresolutionL

  // This method gets the resolution of image

  // ----------------------------------------------------------------------------- 

  TBool CImageResolution::GetresolutionL(TSize& aSize)

      {

      iFrameInfo = iImageDecoder->FrameInfo();

      aSize.iWidth  = iFrameInfo.iOverallSizeInPixels.iWidth;

      aSize.iHeight = iFrameInfo.iOverallSizeInPixels.iHeight;

      if(aSize == TSize(0,0))

          {

          return false;

          }

      return true;

      }