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