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os/graphics/windowing/windowserverplugins/openwfc/inc/rendertarget.h
author sl
Tue, 10 Jun 2014 14:32:02 +0200
changeset 1 260cb5ec6c19
permissions -rw-r--r--
Update contrib. 
     1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 //

    15 

    16 #ifndef __RENDERTARGET_H__

    17 #define __RENDERTARGET_H__

    18 

    19 #include <graphics/sgimagecollection.h>

    20 #include <graphics/wsuibuffer.h>

    21 #include "directgdigcwrapper.h"

    22 

    23 #if defined(__WINS__) && defined(_DEBUG)

    24 class CDebugOsbWin;

    25 #endif

    26 

    27 class RWsOffScreenImageTarget

    28 	{

    29 public:

    30 	RWsOffScreenImageTarget();

    31 	void OpenL(TUint32 aUsage,TSgCpuAccess aCpuAccess,TUidPixelFormat aPixelFormat,const TSize& aSize, TInt aScreenNumber);

    32 	void Close();

    33 public:

    34 	static const TInt KAspectRatioCount = 2;

    35 	TSgImageInfo iImageInfos[KAspectRatioCount];

    36 	RDirectGdiImageTarget iImageTargets[KAspectRatioCount];

    37 	RSgImageCollection iImageCollections[KAspectRatioCount];

    38 	RSgImage iImages[KAspectRatioCount];

    39 	};

    40 

    41 class CRenderTarget : public CBase, public MWsUiBuffer

    42 	{

    43 public:

    44 	enum TAspectRatio

    45 		{

    46 		ENormalAspectRatio = 0,

    47 		EInvertedAspectRatio = 1,

    48 		EAspectRatioCount = RWsOffScreenImageTarget::KAspectRatioCount

    49 		};

    50 public:

    51 	static CRenderTarget* NewL(MWsIniFile* aIniFile, TUint32 aUsage, TSgCpuAccess aCpuAccess, TDisplayMode aDisplayMode, 

    52 			const TSize& aSize, TInt aScreenNumber);

    53 	~CRenderTarget();

    54 

    55 	TAny* ResolveObjectInterface(TUint aTypeId);

    56 

    57 	TDisplayMode DisplayMode() const;

    58 	const TSurfaceId& SurfaceId() const;

    59 

    60 	inline TAspectRatio AspectRatio() const;

    61 	void SetAspectRatio(TAspectRatio aAspectRatio);

    62 	const TSgDrawableId& ImageId(TAspectRatio aAspectRatio) const;

    63 

    64 	inline CDirectGdiGcWrapper* DirectGdiGc() const;

    65 	TInt SetDrawDeviceOffset(TPoint& aOrigin);

    66 	

    67 	TInt AllocNewTarget(RWsOffScreenImageTarget& aNewTarget, const TSize& aNewSize);

    68 	void SwitchTarget(RWsOffScreenImageTarget& aNewTarget);	//takes ownership of aNewTarget

    69 

    70 	void GetPixel(TRgb& aColor, const TPoint& aPixel) const;

    71 	void GetScanLine(TDes8& aScanLine, const TPoint& aStartPixel, TInt aPixelLength, TDisplayMode aDispMode) const;

    72 	TBool RectCompare(const TRect& aRect1, const TRect& aRect2) const;

    73 	void CopyToBitmapL(CFbsBitmap* aBitmap, const TRect& aRect) const;

    74 

    75 #if defined(__WINS__) && defined(_DEBUG)

    76 	void UpdateDebugWin();

    77 #endif	

    78 

    79 public: //from MWsUiBuffer

    80 	TInt MapReadWrite(TAny*& aDataAddress, TInt& aDataStride);

    81 	TInt MapWriteOnly(TAny*& aDataAddress, TInt& aDataStride);

    82 	TInt Unmap();

    83 	TUidPixelFormat PixelFormat() const;

    84 	TSize SizeInPixels() const;

    85 	

    86 public:

    87 	TPoint iOffset;

    88 

    89 private:

    90 	CRenderTarget();

    91 	void ConstructL(MWsIniFile* aIniFile, TUint32 aUsage, TSgCpuAccess aCpuAccess, TDisplayMode aDisplayMode, const TSize& aSize, TInt aScreenNumber);

    92 	inline RSgImage& Image();

    93 	inline const RSgImage& Image() const;

    94 	inline const RSgImageCollection& ImageCollection() const;

    95 	inline const TSgImageInfo& ImageInfo() const;

    96 	const TUint8* DataAddress(const TAny* aStartDataAddress, const TPoint& aStartPoint, TInt aDataStride, TInt aBpp) const;

    97 	TInt MapReadOnly(const TAny*& aDataAddress, TInt& aDataStride) const;

    98 	TInt Unmap() const;

    99 

   100 private:

   101 	RWsOffScreenImageTarget iTarget;

   102 	TAspectRatio iCurrentAspectRatio;

   103 	CDirectGdiGcWrapper* iDirectGdiGcWrapper;

   104 #if defined(__WINS__) && defined(_DEBUG)

   105 	CDebugOsbWin* iOsbWin;

   106 #endif

   107 	};

   108 

   109 inline CRenderTarget::TAspectRatio CRenderTarget::AspectRatio() const

   110 	{ return iCurrentAspectRatio; }

   111 

   112 inline CDirectGdiGcWrapper* CRenderTarget::DirectGdiGc() const

   113 	{ return iDirectGdiGcWrapper; }

   114 

   115 inline RSgImage& CRenderTarget::Image()

   116 	{ return iTarget.iImages[iCurrentAspectRatio]; }

   117 

   118 inline const RSgImage& CRenderTarget::Image() const

   119 	{ return iTarget.iImages[iCurrentAspectRatio]; }

   120 

   121 inline const RSgImageCollection& CRenderTarget::ImageCollection() const

   122 	{ return iTarget.iImageCollections[iCurrentAspectRatio]; }

   123 

   124 inline const TSgImageInfo& CRenderTarget::ImageInfo() const

   125 	{ return iTarget.iImageInfos[iCurrentAspectRatio]; }

   126 

   127 #endif // __RENDERTARGET_H__
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