--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uiaccelerator_plat/alf_visual_api/inc/alf/alfsymbiansbdrawer.h	Tue Feb 02 07:56:43 2010 +0200
@@ -0,0 +1,131 @@
+/*
+* 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:   Symbian screenbuffer drawing IF
+*
+*/
+
+
+
+
+#ifndef __ALFSYMBIANSBDRAWER_H__
+#define __ALFSYMBIANSBDRAWER_H__
+
+
+#include "alf/alfscreenbuffer.h"
+
+const TUid KAlfSymbianBufferDrawerUid = {0x2000e5a2}; 
+
+class CBitmapContext;
+class CFbsBitmap;
+
+/**
+ * The class for drawing screen buffer to a bitmap context.
+ *  
+ * Usage:
+ * @code
+ * 
+ * //Create screen buffer instance
+ * CAlfScreenBuffer* screenBuffer = CAlfScreenBuffer::NewL( *iEnv );
+ * //add the candidate , who has implemented MAlfScreenBufferObserver interface, as observer
+ * 
+ * screenBuffer->AddObserverL( testScreenBufferUid, observer );
+ * 
+ *  //Get symbian bufferdrawer instance
+ * CAlfSymbianBufferDrawer* drawer = ( CAlfSymbianBufferDrawer* )screenBuffer->
+ * 										GetDrawingInterface( SYMBIAN_BUFFER_DRAWER_UID, 
+ * 															 testScreenBufferUid );
+ * 
+ *  // Draw
+ *  CFbsBitGc* context = NULL;
+ *  User::LeaveIfError( device->CreateContext( context ) );
+ *  drawer->DrawBuffer( context, TPoint(), iDisplayRect );
+ * 
+ * 
+ * // release
+ * 	drawer->ReleaseDrawer();
+ * 	drawer = NULL;
+ * 
+ * // Cleanup  
+ * 	drawer->ReleaseDrawer();
+ * 	drawer = NULL;
+ * 	screenBuffer->RemoveObserver( testScreenBufferUid );
+ *  delete screenBuffer;
+ * 
+ * @endcode
+ * 
+ * @see ScreenBuffer::getDrawingInterface()
+ * @lib osnalf.lib
+ * @since S60 xxx
+ */
+NONSHARABLE_CLASS(CAlfSymbianBufferDrawer) : public CBase, public MAlfBufferDrawer
+    {
+    public:    
+    	/**
+     	 * Draw buffer to the bitmap context.
+     	 *
+     	 * @param aContext Drawing context.
+     	 * @param aPos Position on destination.
+     	 * @param aRect Source rectangle.
+     	 */
+        IMPORT_C void DrawBuffer(CBitmapContext& aContext, const TPoint& aPos, const TRect& aRect);
+        
+    	/**
+     	 * Draw buffer to the bitmap context.
+     	 *
+     	 * @param aContext Drawing context.
+     	 * @param aPos Position on destination.
+     	 * @param aRect Source rectangle.
+     	 */
+        IMPORT_C void DrawBufferMasked(CBitmapContext& aContext, const CFbsBitmap* aMask,const TPoint& aPos, const TRect& aRect);
+                
+    	/**
+     	 * Get pointers to buffer bitmaps. If the screen buffer is not yet ready, NULL pointers are returned. 
+     	 * This method does not get the ownership of the bitmaps. 
+     	 *
+     	 * @param aBitmap Buffer bitmap.
+     	 * @param aMask Buffer mask.
+     	 */
+   		IMPORT_C void GetBufferBitmaps(CFbsBitmap*& aBitmap, CFbsBitmap*& aMask) const;
+
+    public: // from MAlfBufferDrawer        
+        IMPORT_C void ReleaseDrawer();
+        
+    protected:    
+    	/**
+     	 * Constuctors and destructor
+     	 */
+        CAlfSymbianBufferDrawer();
+        
+        virtual ~CAlfSymbianBufferDrawer();
+        
+        static CAlfSymbianBufferDrawer* NewL();
+        
+        void ConstructL();
+        
+    	/**
+     	 * Setup for drawing.
+     	 *
+     	 * @param aBitmapHandle Screen buffer bitmap handle.
+     	 * @param aMaskHandle Mask for the bitmap.
+     	 */
+        void SetBufferL(TInt aBitmapHandle, TInt aMaskHandle);
+        
+        
+    private:
+        struct TPrivData;
+        TPrivData* iPrivData;
+        friend class CAlfScreenBuffer;
+    };
+
+#endif
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