1 /*

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

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

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

     6 * which accompanies this distribution, and is available

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

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:  

    15 *				

    16 *

    17 */

    18 

    19 #include"mgimageresolution.h"

    20 

    21 

    22 // -----------------------------------------------------------------------------

    23 // CImageResolution::NewL

    24 // Returns the instance of CImageResolution.

    25 // -----------------------------------------------------------------------------

    26  CImageResolution* CImageResolution::NewL(TDesC& aUrl)

    27     {

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

    29     CleanupStack::PushL(self);

    30     self->ConstructL(aUrl);

    31     CleanupStack::Pop(self);

    32     return self;

    33     }

    34  

    35  // -----------------------------------------------------------------------------

    36  // CImageResolution::ConstructL

    37  // Symbian C++ constructor

    38  // -----------------------------------------------------------------------------

    39  

    40  void CImageResolution::ConstructL(TDesC& aUrl)

    41      {

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

    43      

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

    45      

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

    47      

    48      }

    49  

    50  // -----------------------------------------------------------------------------

    51  // CImageResolution::CImageResolution

    52  // C++ constructor

    53  // -----------------------------------------------------------------------------

    54  

    55  CImageResolution::CImageResolution():iImageDecoder(NULL)

    56      {

    57      // reset frame info

    58      iFrameInfo.iBitsPerPixel = 0;

    59      iFrameInfo.iFlags = 0;

    60      iFrameInfo.iOverallSizeInPixels = TSize( 0, 0 );    

    61      }

    62  

    63  // -----------------------------------------------------------------------------

    64  // CImageResolution::CImageResolution

    65  // Destructor

    66  // -----------------------------------------------------------------------------

    67   CImageResolution::~CImageResolution()

    68      {

    69      iFile.Close();

    70      iFs.Close();

    71      if(iImageDecoder)

    72          {

    73          delete iImageDecoder;

    74          }

    75      }

    76   // -----------------------------------------------------------------------------

    77   // CImageResolution::GetresolutionL

    78   // This method gets the resolution of image

    79   // ----------------------------------------------------------------------------- 

    80   TBool CImageResolution::GetresolutionL(TSize& aSize)

    81       {

    82       iFrameInfo = iImageDecoder->FrameInfo();

    83       

    84       aSize.iWidth  = iFrameInfo.iOverallSizeInPixels.iWidth;

    85       aSize.iHeight = iFrameInfo.iOverallSizeInPixels.iHeight;

    86       

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

    88           {

    89           return false;

    90           }

    91       

    92       return true;

    93       

    94       }