serviceproviders/sapi_mediamanagement/mediamanagementservice/src/mgimageresolution.cpp
changeset 19 989d2f495d90
child 22 fc9cf246af83
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/serviceproviders/sapi_mediamanagement/mediamanagementservice/src/mgimageresolution.cpp	Fri Jul 03 15:51:24 2009 +0100
@@ -0,0 +1,94 @@
+/*
+* 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;
+      
+      }