--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraapp/generic/inc/CamBurstThumbnailGridSizer.h	Thu Jan 07 16:18:56 2010 +0200
@@ -0,0 +1,191 @@
+/*
+* Copyright (c) 2007 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 used to for resizing burst mode thumbnails*
+*/
+
+
+
+#ifndef CAMBURSTTHUMBNAILGRIDSIZER_H
+#define CAMBURSTTHUMBNAILGRIDSIZER_H
+
+//  INCLUDES
+#include <bitmaptransforms.h>   // For CBitmapScaler
+
+// CONSTANTS
+
+// MACROS
+
+// DATA TYPES
+
+// FUNCTION PROTOTYPES
+
+// FORWARD DECLARATIONS
+// Helper class
+class CScaleTask : public CBase
+  {   
+  // =======================================================
+  public:
+    
+    static CScaleTask* NewL( const CFbsBitmap& aBitmap, 
+                             const TSize&      aSize,
+                             TInt32            aInfo );
+    
+    virtual ~CScaleTask();
+
+  private:
+
+    CScaleTask( const TSize&      aSize,
+                TInt32            aInfo    );
+
+    void ConstructL( const CFbsBitmap& aBitmap );
+
+  // -------------------------------------------------------  
+  public:
+  
+    inline const CFbsBitmap* Bitmap() const { return iSrc;  };
+    inline const TSize&      Size()   const { return iSize; };
+    inline TInt32            Info()   const { return iInfo; };
+
+  // =======================================================
+  private:
+  
+    CFbsBitmap* iSrc; //< owned
+    TSize       iSize;
+    TInt32      iInfo;
+
+  // =======================================================
+  };    
+
+
+// Interface definition for notification of when an image has been resized.
+class MBitmapScaler
+    {
+public: 
+    /**
+    * Mixin interface to be implemented by any object wishing to receive 
+    * notification of scale complete events.
+    * @since 2.8
+    * @param aErr KErrNone if successful, on error other Epoc codes possible
+    * @param aBitmap The resized bitmap (called class takes ownership)
+    * @param aInfo Optional parameter that will be passed back when scale completes
+    */
+    virtual void BitmapScaleCompleteL( TInt aErr, CFbsBitmap* aBitmap, TInt32 aInfo ) = 0 ;
+    };
+
+/**
+*  Utility class used by the Thumbnail Grid Model for resizing/scaling bitmaps
+*
+*  @since 2.8
+*/
+class CCamThumbnailGridSizer : public CActive
+    {
+    public:  // Constructors and destructor
+        
+        /**
+        * Two-phased constructor.
+        * @param aObserver The object to be notified of scaling completion
+        * @param aSize The default size of the bitmap to scale TO
+        * @return An instance of the sizer object
+        */
+        static CCamThumbnailGridSizer* NewL( MBitmapScaler* aObserver, TSize& aSize );
+        
+        /**
+        * Destructor.
+        */
+        virtual ~CCamThumbnailGridSizer();
+              
+    public: // New functions
+        
+   
+    	/**
+    	 * Sets new size for the scaling
+    	 * @param aThumbSize The new size
+    	 */
+    	void SetSize( const TSize aThumbSize );
+        
+    	/**
+        * Scales from a source bitmap to a target bitmap, using the dimentions
+        * of the target bitmap to define the scale
+        * @since 2.8
+        * @param aSrc Source bitmap, scaling from        
+        */
+        void StartScaleL( const CFbsBitmap& aSrc );
+        
+        /**
+        * Scales from a source bitmap to a target bitmap, using the dimensions
+        * of the target bitmap to define the scale
+        * @since 2.8
+        * @param aSrc Source bitmap, scaling from        
+        * @param aSize The size of the bitmap to scale to
+        * @param aInfo Optional parameter that will be passed back when scale completes
+        */
+        void StartScaleL( const CFbsBitmap& aSrc, TSize& aSize, TInt32 aInfo );
+    
+    public: // Functions from base classes
+       
+    protected:  // New functions
+        
+    protected:  // Functions from base classes
+        
+        /**
+        * From CActive
+        */
+       	void DoCancel();
+    
+        /**
+        * From CActive
+        */
+        void RunL();    
+
+    private:
+
+        /**
+        * C++ default constructor.
+        * @param aObserver The object to be notified of scaling completion
+        * @param aSize The default size of the bitmap to scale TO
+        */
+        CCamThumbnailGridSizer( MBitmapScaler* aObserver, TSize& aSize );
+
+        /**
+        * By default Symbian 2nd phase constructor is private.
+        */
+        void ConstructL();
+        
+        /**
+        * Allows specifying of specific sizing task to start
+        * @param aTask The task to begin
+        * @since 3.0
+        */
+        void StartScaleL( CScaleTask* aTask );
+       
+    private:    // Data
+        // Bitmap scaling object, actually does the scaling
+        CBitmapScaler* iScaler;        
+
+        // The object to be notified when scaling is complete.
+        MBitmapScaler* iObserver;    
+        
+        // Temporary bitmap used while performing the scaling operation
+        CFbsBitmap* iTmpBitmap; 
+        
+        // The size of the bitmap to scale to
+        TSize iThumbSize;                
+        
+        // List of outstanding scaling tasks
+        RPointerArray <CScaleTask> iScaleTaskArray;        
+    };
+
+#endif      // CAMBURSTTHUMBNAILGRIDSIZER_H
+            
+// End of File