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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 __DIRECTGDIGCWRAPPER_H__ |
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17 #define __DIRECTGDIGCWRAPPER_H__ |
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18 |
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19 #include <graphics/wsgraphicscontext.h> |
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20 #include <graphics/directgdiimagetarget.h> |
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21 #include <graphics/directgdicontext.h> |
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22 #include <graphics/wsdrawablesourceprovider.h> |
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23 #include <graphics/sgimage.h> |
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24 #include <graphics/wscursor.h> |
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25 |
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26 |
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27 /* |
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28 * Required by MWsFader implementation |
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29 */ |
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30 struct TFadingParams |
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31 { |
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32 TUint8 blackMap; |
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33 TUint8 whiteMap; |
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34 }; |
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35 |
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36 /** |
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37 The purpose of this class is to wrap a @c CDirectGdiContext whenever an |
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38 @c MWsGraphicsContext is needed. |
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39 |
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40 The methods doesn't do anything other than calling the corresponding method |
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41 in @c MWsGraphicsContext. |
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42 |
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43 @see MWsGraphicsContext |
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44 @see MWsDrawableSourceProvider |
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45 @see CDirectGdiContext; |
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46 |
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47 @internalComponent |
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48 */ |
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49 class CDirectGdiGcWrapper : public CBase, public MWsGraphicsContext, public MWsFader, public MWsDrawableSourceProvider, public MWsTextCursor |
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50 { |
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51 public: |
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52 static CDirectGdiGcWrapper* NewL(); |
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53 ~CDirectGdiGcWrapper(); |
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54 inline CDirectGdiContext& DirectGdiGc(); |
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55 |
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56 public: //from MWsGraphicsContext |
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57 void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap); |
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58 void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect); |
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59 void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask); |
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60 void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, const TPoint& aMaskPos); |
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61 void ResetClippingRegion(); |
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62 void Clear(); |
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63 void Clear(const TRect& aRect); |
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64 void ResetBrushPattern(); |
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65 void ResetFont(); |
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66 void DrawArc(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd); |
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67 void DrawPie(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd); |
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68 void DrawBitmap(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap); |
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69 void DrawBitmap(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect); |
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70 void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask); |
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71 void DrawRoundRect(const TRect& aRect, const TSize& aEllipse); |
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72 void DrawPolyLine(const TArray<TPoint>& aPointList); |
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73 void DrawPolyLineNoEndPoint(const TArray<TPoint>& aPointList); |
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74 void DrawPolygon(const TArray<TPoint>& aPointList, TFillRule aFillRule=EAlternate); |
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75 void DrawEllipse(const TRect& aRect); |
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76 void DrawLine(const TPoint& aStart, const TPoint& aEnd); |
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77 void DrawLineTo(const TPoint& aPoint); |
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78 void DrawLineBy(const TPoint& aVector); |
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79 void DrawRect(const TRect& aRect); |
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80 void DrawText(const TDesC& aText,const TTextParameters* aParam); |
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81 void DrawText(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition); |
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82 void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect); |
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83 void DrawText(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipFillRect,TInt aBaselineOffset,TTextAlign aHrz=ELeft,TInt aMargin=0); |
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84 void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp); |
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85 void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TPoint& aPosition,TBool aUp); |
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86 void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TBool aUp); |
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87 void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0); |
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88 void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam,const TRect& aClipRect,TInt aBaselineOffset,TInt aTextWidth,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0); |
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89 void MoveTo(const TPoint& aPoint); |
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90 void MoveBy(const TPoint& aVector); |
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91 void Plot(const TPoint& aPoint); |
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92 void Reset(); |
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93 void SetBrushColor(const TRgb& aColor); |
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94 void SetBrushOrigin(const TPoint& aOrigin); |
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95 void SetBrushStyle(TBrushStyle aBrushStyle); |
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96 void SetClippingRegion(const TRegion& aRegion); |
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97 void SetDrawMode(TDrawMode aDrawMode); |
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98 void SetOrigin(const TPoint& aPoint = TPoint(0, 0)); |
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99 void SetPenColor(const TRgb& aColor); |
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100 void SetPenStyle(TPenStyle aPenStyle); |
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101 void SetPenSize(const TSize& aSize); |
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102 void SetTextShadowColor(const TRgb& aColor); |
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103 void SetCharJustification(TInt aExcessWidth, TInt aNumChars); |
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104 void SetWordJustification(TInt aExcessWidth, TInt aNumGaps); |
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105 void SetUnderlineStyle(TFontUnderline aUnderlineStyle); |
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106 void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle); |
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107 void SetBrushPattern(const CFbsBitmap& aBitmap); |
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108 void SetBrushPattern(TInt aFbsBitmapHandle); |
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109 void SetFont(const CFont* aFont); |
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110 void CopyRect(const TPoint& aOffset, const TRect& aRect); |
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111 void UpdateJustification(const TDesC& aText,const TTextParameters* aParam); |
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112 void UpdateJustificationVertical(const TDesC& aText,const TTextParameters* aParam,TBool aUp); |
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113 void SetFontNoDuplicate(const CFont* aFont); |
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114 TBool HasBrushPattern() const; |
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115 TBool HasFont() const; |
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116 TRgb BrushColor() const; |
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117 TRgb PenColor() const; |
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118 TRgb TextShadowColor() const; |
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119 |
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120 // Return current error status of MWsGraphicsContext |
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121 TInt GetError(); |
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122 // Getters |
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123 TPoint Origin() const; |
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124 const TRegion& ClippingRegion(); |
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125 // Save and retrieve gc settings |
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126 TInt Push(); |
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127 void Pop(); |
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128 |
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129 public: // MWsFader |
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130 void SetFadingParameters(const TDesC8& aData); |
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131 void FadeArea(const TRegion& aRegion); |
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132 |
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133 //from MWsObjectProvider |
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134 TAny* ResolveObjectInterface(TUint aTypeId); |
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135 |
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136 //from MWsDrawableSourceProvider |
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137 TInt CreateDrawableSource(const TSgDrawableId& aDrawableId, TAny*& aSource); |
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138 void CloseDrawableSource(TAny* aSource); |
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139 void DrawResource(const TAny* aSource, const TPoint& aPos, CWindowGc::TGraphicsRotation aRotation = CWindowGc::EGraphicsRotationNone); |
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140 void DrawResource(const TAny* aSource, const TRect& aRect, CWindowGc::TGraphicsRotation aRotation = CWindowGc::EGraphicsRotationNone); |
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141 void DrawResource(const TAny* aSource, const TRect& aRectDest, const TRect& aRectSrc, CWindowGc::TGraphicsRotation aRotation = CWindowGc::EGraphicsRotationNone); |
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142 void DrawResource(const TAny* aSource, const TRect& aRect, const TDesC8& aParam); |
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143 |
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144 public: // from MWsTextCursor |
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145 void DrawTextCursor(const TTextCursorInfo& aTextCursorInfo); |
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146 |
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147 private: |
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148 void SetError(TInt aError); |
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149 |
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150 private: |
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151 CDirectGdiContext* iContext; |
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152 TInt iErrorCode; |
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153 CBufBase* iGcBuf; // used for keeping state when drawing CWsGraphicDrawers |
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154 RRegionBuf<20> iClippingRegion; // Clipping region while doing drawing |
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155 TPoint iOrigin; // Window Origin + User defined gc origin |
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156 RPointerArray<RDirectGdiDrawableSource> iDrawableSources; |
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157 //Required by MWsFader implmentation |
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158 TRgb iFadeColor; |
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159 const TUint16* iLut; |
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160 }; |
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161 |
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162 // |
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163 // CDirectGdiGcWrapper |
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164 // |
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165 |
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166 inline CDirectGdiContext& CDirectGdiGcWrapper::DirectGdiGc() |
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167 {return(*iContext);} |
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168 |
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169 |
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170 |
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171 #endif //__DIRECTGDIGCWRAPPER_H__ |