--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/windowing/windowserverplugins/openwfc/inc/rendertarget.h	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,127 @@
+// Copyright (c) 2008-2009 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:
+//
+
+#ifndef __RENDERTARGET_H__
+#define __RENDERTARGET_H__
+
+#include <graphics/sgimagecollection.h>
+#include <graphics/wsuibuffer.h>
+#include "directgdigcwrapper.h"
+
+#if defined(__WINS__) && defined(_DEBUG)
+class CDebugOsbWin;
+#endif
+
+class RWsOffScreenImageTarget
+	{
+public:
+	RWsOffScreenImageTarget();
+	void OpenL(TUint32 aUsage,TSgCpuAccess aCpuAccess,TUidPixelFormat aPixelFormat,const TSize& aSize, TInt aScreenNumber);
+	void Close();
+public:
+	static const TInt KAspectRatioCount = 2;
+	TSgImageInfo iImageInfos[KAspectRatioCount];
+	RDirectGdiImageTarget iImageTargets[KAspectRatioCount];
+	RSgImageCollection iImageCollections[KAspectRatioCount];
+	RSgImage iImages[KAspectRatioCount];
+	};
+
+class CRenderTarget : public CBase, public MWsUiBuffer
+	{
+public:
+	enum TAspectRatio
+		{
+		ENormalAspectRatio = 0,
+		EInvertedAspectRatio = 1,
+		EAspectRatioCount = RWsOffScreenImageTarget::KAspectRatioCount
+		};
+public:
+	static CRenderTarget* NewL(MWsIniFile* aIniFile, TUint32 aUsage, TSgCpuAccess aCpuAccess, TDisplayMode aDisplayMode, 
+			const TSize& aSize, TInt aScreenNumber);
+	~CRenderTarget();
+
+	TAny* ResolveObjectInterface(TUint aTypeId);
+
+	TDisplayMode DisplayMode() const;
+	const TSurfaceId& SurfaceId() const;
+
+	inline TAspectRatio AspectRatio() const;
+	void SetAspectRatio(TAspectRatio aAspectRatio);
+	const TSgDrawableId& ImageId(TAspectRatio aAspectRatio) const;
+
+	inline CDirectGdiGcWrapper* DirectGdiGc() const;
+	TInt SetDrawDeviceOffset(TPoint& aOrigin);
+	
+	TInt AllocNewTarget(RWsOffScreenImageTarget& aNewTarget, const TSize& aNewSize);
+	void SwitchTarget(RWsOffScreenImageTarget& aNewTarget);	//takes ownership of aNewTarget
+
+	void GetPixel(TRgb& aColor, const TPoint& aPixel) const;
+	void GetScanLine(TDes8& aScanLine, const TPoint& aStartPixel, TInt aPixelLength, TDisplayMode aDispMode) const;
+	TBool RectCompare(const TRect& aRect1, const TRect& aRect2) const;
+	void CopyToBitmapL(CFbsBitmap* aBitmap, const TRect& aRect) const;
+
+#if defined(__WINS__) && defined(_DEBUG)
+	void UpdateDebugWin();
+#endif	
+
+public: //from MWsUiBuffer
+	TInt MapReadWrite(TAny*& aDataAddress, TInt& aDataStride);
+	TInt MapWriteOnly(TAny*& aDataAddress, TInt& aDataStride);
+	TInt Unmap();
+	TUidPixelFormat PixelFormat() const;
+	TSize SizeInPixels() const;
+	
+public:
+	TPoint iOffset;
+
+private:
+	CRenderTarget();
+	void ConstructL(MWsIniFile* aIniFile, TUint32 aUsage, TSgCpuAccess aCpuAccess, TDisplayMode aDisplayMode, const TSize& aSize, TInt aScreenNumber);
+	inline RSgImage& Image();
+	inline const RSgImage& Image() const;
+	inline const RSgImageCollection& ImageCollection() const;
+	inline const TSgImageInfo& ImageInfo() const;
+	const TUint8* DataAddress(const TAny* aStartDataAddress, const TPoint& aStartPoint, TInt aDataStride, TInt aBpp) const;
+	TInt MapReadOnly(const TAny*& aDataAddress, TInt& aDataStride) const;
+	TInt Unmap() const;
+
+private:
+	RWsOffScreenImageTarget iTarget;
+	TAspectRatio iCurrentAspectRatio;
+	CDirectGdiGcWrapper* iDirectGdiGcWrapper;
+#if defined(__WINS__) && defined(_DEBUG)
+	CDebugOsbWin* iOsbWin;
+#endif
+	};
+
+inline CRenderTarget::TAspectRatio CRenderTarget::AspectRatio() const
+	{ return iCurrentAspectRatio; }
+
+inline CDirectGdiGcWrapper* CRenderTarget::DirectGdiGc() const
+	{ return iDirectGdiGcWrapper; }
+
+inline RSgImage& CRenderTarget::Image()
+	{ return iTarget.iImages[iCurrentAspectRatio]; }
+
+inline const RSgImage& CRenderTarget::Image() const
+	{ return iTarget.iImages[iCurrentAspectRatio]; }
+
+inline const RSgImageCollection& CRenderTarget::ImageCollection() const
+	{ return iTarget.iImageCollections[iCurrentAspectRatio]; }
+
+inline const TSgImageInfo& CRenderTarget::ImageInfo() const
+	{ return iTarget.iImageInfos[iCurrentAspectRatio]; }
+
+#endif // __RENDERTARGET_H__