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