--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mpxmusicplayer/commonui/inc/mpximageutil.h	Thu Dec 17 08:45:05 2009 +0200
@@ -0,0 +1,137 @@
+/*
+* Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:  Class declaration of CMPXImageUtil.
+*
+*/
+
+
+#ifndef CMPXIMAGEUTIL_H
+#define CMPXIMAGEUTIL_H
+
+//  INCLUDES
+
+#include "mpxalbumartutilobserver.h"
+
+
+// FORWARD DECLARATIONS
+class CFbsBitmap;
+class CBitmapScaler;
+class CImageDecoder;
+
+// CLASS DECLARATION
+
+/**
+*  Image Conversion Class.
+**/
+class CMPXImageUtil : public CActive
+    {
+public:
+   
+	// states for this engine
+  	enum TState 
+	    {
+	    EIdle = 0,
+	    EDecoding,
+	    EScaling
+	    };
+
+public:  // Constructors and destructor
+        
+    /**
+    * Two-phased constructor.
+    * @param aObserver ablum art observer
+    * @return A pointer to a newly created object
+    */
+    static CMPXImageUtil* NewL(MMPXAlbumArtUtilObserver& aObserver);
+
+    /**
+    * Destructor.
+    */
+    ~CMPXImageUtil();
+
+private:
+
+    /**
+    * C++ default constructor.
+    */
+    CMPXImageUtil(MMPXAlbumArtUtilObserver& aObserver); 
+
+    /**
+    * By default Symbian 2nd phase constructor is private.
+    */
+    void ConstructL();  
+
+public: // New functions
+        
+    /*
+    * Starts to decode an image from a file. 
+    * @param aFileName Full path and filename of the image to be decoded.
+    * @param aSize The size of the required destination BMP.
+    * @param aDisplayMode the display mode of the destination BMP
+    */
+    void StartToDecodeL(const TDesC& aFileName, 
+                        const TSize& aSize, 
+                        TDisplayMode aDisplayMode = EColor64K);
+  
+    /*
+    * Starts to decode an image from JPG buffer
+    * @param aSize The size of the required destination JPG
+    * @param aAlbumArt The pointer to the JPG buffer
+    * @param aDisplayMode the display mode of the destination JPG
+    */
+    void StartToDecodeL(const TSize& aSize, 
+                        HBufC8* aAlbumArt, 
+                        TDisplayMode aDisplayMode = EColor64K);
+
+    /*
+    * Cancel outstanding asynch requests
+    */
+    void CancelRequest();
+    
+private: // New functions
+
+    /**
+    * Scales iBitmap to iSize 
+    **/
+    void ScaleL();
+    TSize CalculateDecodeSize(const TSize& aSize);
+
+private: // Functions from base classes
+
+    /**
+    * Cancellation of an outstanding request.
+    */
+    void DoCancel();
+
+    /**
+    * Handles an active object’s request completion event.
+    */
+    void RunL();
+      
+private:    // Data
+
+    MMPXAlbumArtUtilObserver&       iObserver;      // Album art util observer
+    CFbsBitmap*                     iBitmap;        // decoded image
+    CImageDecoder*                  iImageDecoder;  // decoder
+    CBitmapScaler*                  iScaler;        // bitmap scaler
+    TSize                           iSize;          // desired size of the bitmap
+    TState                          iState;         // engine state
+    RFs                             iFs;            // for opening/saving images from/to files
+    HBufC8*                         iImageData;     // Album art image data (owned)
+    TBool                           iScaleRquired;
+    };
+
+#endif // CMPXIMAGEUTIL_H   
+            
+// End of File