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1 // Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #ifndef __RENDERTARGET_H__ |
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17 #define __RENDERTARGET_H__ |
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18 |
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19 #include <graphics/sgimagecollection.h> |
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20 #include <graphics/wsuibuffer.h> |
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21 #include "directgdigcwrapper.h" |
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22 |
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23 #if defined(__WINS__) && defined(_DEBUG) |
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24 class CDebugOsbWin; |
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25 #endif |
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26 |
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27 class RWsOffScreenImageTarget |
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28 { |
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29 public: |
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30 RWsOffScreenImageTarget(); |
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31 void OpenL(TUint32 aUsage,TSgCpuAccess aCpuAccess,TUidPixelFormat aPixelFormat,const TSize& aSize, TInt aScreenNumber); |
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32 void Close(); |
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33 public: |
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34 static const TInt KAspectRatioCount = 2; |
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35 TSgImageInfo iImageInfos[KAspectRatioCount]; |
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36 RDirectGdiImageTarget iImageTargets[KAspectRatioCount]; |
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37 RSgImageCollection iImageCollections[KAspectRatioCount]; |
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38 RSgImage iImages[KAspectRatioCount]; |
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39 }; |
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40 |
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41 class CRenderTarget : public CBase, public MWsUiBuffer |
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42 { |
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43 public: |
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44 enum TAspectRatio |
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45 { |
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46 ENormalAspectRatio = 0, |
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47 EInvertedAspectRatio = 1, |
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48 EAspectRatioCount = RWsOffScreenImageTarget::KAspectRatioCount |
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49 }; |
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50 public: |
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51 static CRenderTarget* NewL(MWsIniFile* aIniFile, TUint32 aUsage, TSgCpuAccess aCpuAccess, TDisplayMode aDisplayMode, |
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52 const TSize& aSize, TInt aScreenNumber); |
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53 ~CRenderTarget(); |
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54 |
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55 TAny* ResolveObjectInterface(TUint aTypeId); |
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56 |
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57 TDisplayMode DisplayMode() const; |
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58 const TSurfaceId& SurfaceId() const; |
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59 |
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60 inline TAspectRatio AspectRatio() const; |
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61 void SetAspectRatio(TAspectRatio aAspectRatio); |
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62 const TSgDrawableId& ImageId(TAspectRatio aAspectRatio) const; |
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63 |
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64 inline CDirectGdiGcWrapper* DirectGdiGc() const; |
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65 TInt SetDrawDeviceOffset(TPoint& aOrigin); |
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66 |
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67 TInt AllocNewTarget(RWsOffScreenImageTarget& aNewTarget, const TSize& aNewSize); |
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68 void SwitchTarget(RWsOffScreenImageTarget& aNewTarget); //takes ownership of aNewTarget |
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69 |
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70 void GetPixel(TRgb& aColor, const TPoint& aPixel) const; |
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71 void GetScanLine(TDes8& aScanLine, const TPoint& aStartPixel, TInt aPixelLength, TDisplayMode aDispMode) const; |
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72 TBool RectCompare(const TRect& aRect1, const TRect& aRect2) const; |
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73 void CopyToBitmapL(CFbsBitmap* aBitmap, const TRect& aRect) const; |
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74 |
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75 #if defined(__WINS__) && defined(_DEBUG) |
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76 void UpdateDebugWin(); |
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77 #endif |
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78 |
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79 public: //from MWsUiBuffer |
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80 TInt MapReadWrite(TAny*& aDataAddress, TInt& aDataStride); |
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81 TInt MapWriteOnly(TAny*& aDataAddress, TInt& aDataStride); |
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82 TInt Unmap(); |
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83 TUidPixelFormat PixelFormat() const; |
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84 TSize SizeInPixels() const; |
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85 |
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86 public: |
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87 TPoint iOffset; |
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88 |
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89 private: |
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90 CRenderTarget(); |
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91 void ConstructL(MWsIniFile* aIniFile, TUint32 aUsage, TSgCpuAccess aCpuAccess, TDisplayMode aDisplayMode, const TSize& aSize, TInt aScreenNumber); |
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92 inline RSgImage& Image(); |
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93 inline const RSgImage& Image() const; |
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94 inline const RSgImageCollection& ImageCollection() const; |
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95 inline const TSgImageInfo& ImageInfo() const; |
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96 const TUint8* DataAddress(const TAny* aStartDataAddress, const TPoint& aStartPoint, TInt aDataStride, TInt aBpp) const; |
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97 TInt MapReadOnly(const TAny*& aDataAddress, TInt& aDataStride) const; |
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98 TInt Unmap() const; |
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99 |
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100 private: |
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101 RWsOffScreenImageTarget iTarget; |
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102 TAspectRatio iCurrentAspectRatio; |
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103 CDirectGdiGcWrapper* iDirectGdiGcWrapper; |
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104 #if defined(__WINS__) && defined(_DEBUG) |
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105 CDebugOsbWin* iOsbWin; |
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106 #endif |
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107 }; |
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108 |
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109 inline CRenderTarget::TAspectRatio CRenderTarget::AspectRatio() const |
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110 { return iCurrentAspectRatio; } |
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111 |
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112 inline CDirectGdiGcWrapper* CRenderTarget::DirectGdiGc() const |
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113 { return iDirectGdiGcWrapper; } |
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114 |
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115 inline RSgImage& CRenderTarget::Image() |
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116 { return iTarget.iImages[iCurrentAspectRatio]; } |
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117 |
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118 inline const RSgImage& CRenderTarget::Image() const |
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119 { return iTarget.iImages[iCurrentAspectRatio]; } |
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120 |
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121 inline const RSgImageCollection& CRenderTarget::ImageCollection() const |
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122 { return iTarget.iImageCollections[iCurrentAspectRatio]; } |
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123 |
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124 inline const TSgImageInfo& CRenderTarget::ImageInfo() const |
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125 { return iTarget.iImageInfos[iCurrentAspectRatio]; } |
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126 |
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127 #endif // __RENDERTARGET_H__ |