diff -r 57c618273d5c -r bbf46f59e123 graphicscomposition/openwfcompositionengine/test/tscreeninterface/streamutility.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicscomposition/openwfcompositionengine/test/tscreeninterface/streamutility.h	Tue Aug 31 16:31:06 2010 +0300
@@ -0,0 +1,99 @@
+// Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and/or associated documentation files (the
+// "Materials"), to deal in the Materials without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Materials, and to
+// permit persons to whom the Materials are furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be included
+// in all copies or substantial portions of the Materials.
+//
+// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
+//
+// Description:
+//
+
+/**
+ @file
+*/
+
+#ifndef __STREAM_UTILITY__
+#define __STREAM_UTILITY__
+
+#include <e32base.h>
+#include <graphics/surface.h>
+#include <graphics/surfacemanager.h>
+#include <graphics/surfaceupdateclient.h>
+#define ENABLE_TEST_LOGGING
+
+#if defined(ENABLE_TEST_LOGGING)
+#define LOG(X)	RDebug::Printf X
+#else
+#define LOG(X)
+#endif
+
+class TRgb;
+class CFbsBitmap;
+
+class CStreamUtility : public CBase
+	{
+public:
+	CStreamUtility();
+	static CStreamUtility* NewL();
+	virtual ~CStreamUtility();
+	TSize StreamSize(const SymbianStreamType aStream);
+	SymbianStreamType CreateStreamL(const TSize& aSize, TUidPixelFormat aPixelFormat, 
+                                    TInt aStride, TSurfaceId& aReturnSurface, TBool aContiguous, TInt aBuffers = 1);
+	TInt BytesPerPixelL(const SymbianStreamType aStream);
+	TInt BytesPerPixelL(TUidPixelFormat aPixelFormat);
+	void FillStreamL(SymbianStreamType aStream, const TRgb& aColor);
+	void DestroyStream(SymbianStreamType aStream);
+	TBool DestroyAll();
+	RSurfaceManager& Manager()	{return iManager;}
+private:
+	CStreamUtility(CStreamUtility* aClone);
+	void ConstructL();
+
+private:
+	RSurfaceManager iManager;
+    TInt    iScreenNum;
+
+	//This local object wraps the array operations in a heap switch
+	//The reason for providing this wrapper is to allow threads to share the surface manager stream ID list.
+	//In particular, the next test can attempt to release the previous test's stream if it paniced. 
+	//Note that the presumption is that the owning thread will be paused, 
+	//so there will be no thread interlock issues with it's heap manager.
+	class RHeapStreamArray
+		{
+		public:
+		typedef RArray<SymbianStreamType>	Array;
+		RHeapStreamArray(RHeapStreamArray* aUseExternalArray=NULL);
+
+		//Emulation of RArray entrypoints. Add more stub methods if required...
+		SymbianStreamType& operator[](TUint aIndex);
+		void Close();
+		TInt Count() const;
+		inline void Reset();
+		void AppendL(const SymbianStreamType &anEntry);
+		TInt Find(const SymbianStreamType &anEntry) const;
+		void Remove(TInt anIndex);
+		
+		private:
+		static void PopHeap(void* mainheap);
+		
+		Array iLocalArray;
+		Array* iUseArray;
+		RHeap &iExternalHeapRef;
+		}	iStreams;
+	};
+
+#endif // __STREAM_UTILITY__