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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Recording graphics context used to cache drawing commands. |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <w32std.h> |
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20 |
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21 class CFbsBitmap; |
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22 class CFbsBitGc; |
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23 class CFbsBitmapDevice; |
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24 |
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25 NONSHARABLE_CLASS( CAknRecordingGc ) : public CWindowGc |
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26 { |
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27 public: |
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28 // CWindowGc(CWsScreenDevice *aDevice); |
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29 CAknRecordingGc(CWindowGc *aRealGc); |
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30 virtual ~CAknRecordingGc(); |
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31 void ConstructL( const TSize& aSize ); |
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32 virtual void Activate(RDrawableWindow &aDevice); |
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33 virtual void Deactivate(); |
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34 //====================FROM CGraphicsContext.H=============================== |
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35 virtual CGraphicsDevice* Device() const; |
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36 virtual void SetOrigin(const TPoint &aPoint=TPoint(0,0)); |
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37 virtual void SetDrawMode(TDrawMode aDrawingMode); |
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38 virtual void SetClippingRect(const TRect& aRect); |
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39 virtual void CancelClippingRect(); |
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40 virtual void Reset(); |
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41 |
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42 virtual void UseFont(const CFont *aFont); |
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43 virtual void DiscardFont(); |
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44 virtual void SetUnderlineStyle(TFontUnderline aUnderlineStyle); |
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45 virtual void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle); |
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46 // Used to do justified text properly |
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47 virtual void SetWordJustification(TInt aExcessWidth,TInt aNumGaps); |
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48 // Used primarily to get accurate WYSIWYG |
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49 virtual void SetCharJustification(TInt aExcessWidth,TInt aNumChars); |
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50 |
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51 virtual void SetPenColor(const TRgb &aColor); |
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52 virtual void SetPenStyle(TPenStyle aPenStyle); |
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53 virtual void SetPenSize(const TSize& aSize); |
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54 |
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55 virtual void SetBrushColor(const TRgb &aColor); |
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56 virtual void SetBrushStyle(TBrushStyle aBrushStyle); |
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57 virtual void SetBrushOrigin(const TPoint &aOrigin); |
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58 virtual void UseBrushPattern(const CFbsBitmap *aDevice); |
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59 virtual void DiscardBrushPattern(); |
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60 // |
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61 // Move the internal position, as used by DrawLineTo & DrawLineBy, and set by MoveTo, |
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62 // MoveBy, DrawLine, DrawLineTo, DrawLineBy and DrawPolyline |
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63 virtual void MoveTo(const TPoint &aPoint); |
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64 virtual void MoveBy(const TPoint &aPoint); |
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65 virtual void Plot(const TPoint &aPoint); |
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66 // |
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67 // Line drawing subject to pen color, width and style and draw mode |
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68 virtual void DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd); |
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69 virtual void DrawLine(const TPoint &aPoint1,const TPoint &aPoint2); |
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70 virtual void DrawLineTo(const TPoint &aPoint); |
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71 virtual void DrawLineBy(const TPoint &aPoint); |
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72 virtual void DrawPolyLine(const CArrayFix<TPoint> *aPointList); |
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73 virtual void DrawPolyLine(const TPoint* aPointList,TInt aNumPoints); |
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74 // |
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75 // Filled outlines |
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76 // Outlines subject to pen color, width and style and draw mode |
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77 // (set pen to ENullPen for no outline) |
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78 // Fill subject to brush style (color, hash or pattern) and origin and |
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79 // drawing mode (set brush to ENullBrush for no fill) |
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80 virtual void DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd); |
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81 virtual void DrawEllipse(const TRect &aRect); |
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82 virtual void DrawRect(const TRect &aRect); |
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83 virtual void DrawRoundRect(const TRect &aRect,const TSize &aEllipse); |
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84 virtual TInt DrawPolygon(const CArrayFix<TPoint> *aPointList,TFillRule aFillRule=EAlternate); |
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85 virtual TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule=EAlternate); |
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86 // |
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87 // Uses the bitmap's Twips size and does a "stretch" blit in general |
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88 virtual void DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aDevice); |
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89 virtual void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice); |
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90 virtual void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice, const TRect &aSourceRect); |
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91 virtual void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask); |
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92 virtual void DrawBitmapMasked(const TRect& aDestRect, const CWsBitmap* aBitmap, const TRect& aSourceRect, const CWsBitmap* aMaskBitmap, TBool aInvertMask); |
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93 // |
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94 // Text drawing subject to drawing mode |
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95 // Subject to used font, pen color, drawing mode, |
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96 // word and char justification |
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97 virtual void DrawText(const TDesC &aBuf,const TPoint &aPos); |
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98 // |
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99 // Subject to same as above plus brush for background |
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100 // (set brush to ENullBrush for no effect on background) |
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101 virtual void DrawText(const TDesC &aBuf,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0); |
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102 //================Extra functions from CBitmapContext============== |
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103 virtual void Clear(); |
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104 virtual void Clear(const TRect &aRect); |
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105 virtual void CopyRect(const TPoint &anOffset,const TRect &aRect); |
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106 virtual void BitBlt(const TPoint &aPos, const CFbsBitmap *aBitmap); |
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107 virtual void BitBlt(const TPoint &aDestination, const CFbsBitmap *aBitmap, const TRect &aSource); |
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108 virtual void BitBltMasked(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask); |
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109 virtual void BitBlt(const TPoint &aPoint, const CWsBitmap *aBitmap); |
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110 virtual void BitBlt(const TPoint &aDestination, const CWsBitmap *aBitmap, const TRect &aSource); |
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111 virtual void BitBltMasked(const TPoint& aPoint,const CWsBitmap *aBitmap,const TRect& aSourceRect,const CWsBitmap *aMaskBitmap,TBool aInvertMask); |
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112 virtual void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs=2,TBool aMapForwards=ETrue); |
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113 |
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114 virtual void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp); |
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115 virtual void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0); |
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116 //=================Extra functions specific to wserv GDI============== |
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117 virtual void SetDitherOrigin(const TPoint& aPoint); |
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118 virtual TInt SetClippingRegion(const TRegion &aRegion); |
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119 virtual void CancelClippingRegion(); |
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120 virtual void SetOpaque(TBool aDrawOpaque=ETrue); |
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121 //=================Functions also supplied by CFbsBitGc============== |
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122 virtual void SetFaded(TBool aFaded); |
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123 virtual void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap); |
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124 virtual TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt); |
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125 virtual TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp, const TRect& aSrcRect, const CWsBitmap* aAlphaBmp, const TPoint& aAlphaPt); |
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126 |
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127 virtual TAny* Interface( TUid aInterfaceId ); |
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128 virtual const TAny* Interface( TUid aInterfaceId ) const; |
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129 |
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130 protected: |
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131 virtual TInt APIExtension( TUid aUid, TAny*& aOutput, TAny* aInput ); |
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132 |
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133 public: |
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134 void FlushBuffer( const TRect& aRect, TInt aLineToSkip ); |
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135 void PurgeBuffer(); |
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136 void PrepareForNewLineL( const TRect& aRect ); |
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137 void ReplaceLineL( TInt aLine ); |
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138 void InsertLineL( TInt aLine, const TRect& aRect ); |
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139 void InsertLineL( TInt aLine ); |
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140 void AppendLineL(); |
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141 void PurgeLine( TInt aLine ); |
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142 void SetLineRect( TInt aLine, const TRect& aRect ); |
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143 void DeleteLine( TInt aLine ); |
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144 |
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145 void UseBitGc( TBool aUseBitGc ); |
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146 |
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147 private: |
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148 NONSHARABLE_CLASS( CBufferItem ) : public CBase |
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149 { |
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150 public: |
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151 enum TCommandType |
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152 { |
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153 EShortText, |
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154 ELongText, |
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155 ESetPenColor, |
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156 EBitBlt1, |
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157 EBitBlt2, |
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158 EBitBltMasked1, |
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159 EUseFont, |
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160 EDiscardFont, |
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161 ESetDrawMode, |
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162 ESetClippingRect, |
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163 ECancelClippingRect, |
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164 ESetBrushColor, |
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165 ESetBrushStyle, |
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166 EDrawRect, |
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167 EClear |
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168 }; |
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169 |
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170 public: |
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171 ~CBufferItem(); |
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172 |
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173 TInt iType; |
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174 HBufC* iText; |
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175 TPoint iPosition; |
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176 TRect iBox; |
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177 TInt iBaseLineOffset; |
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178 TTextAlign iHorizontal; |
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179 TInt iLeftMargin; |
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180 TRgb iColor; |
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181 const CFbsBitmap* iBitmap; |
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182 const CFbsBitmap* iMask; |
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183 TRect iSource; |
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184 TBool iInvertMask; |
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185 const CFont* iFont; |
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186 TDrawMode iDrawMode; |
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187 TBrushStyle iBrushStyle; |
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188 TRect iRect; |
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189 }; |
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190 |
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191 NONSHARABLE_CLASS( CLineData ) : public CBase |
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192 { |
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193 public: |
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194 ~CLineData(); |
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195 TRect iRect; |
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196 RPointerArray<CBufferItem> iItems; |
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197 |
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198 }; |
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199 |
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200 CBufferItem* BufferItem(); |
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201 |
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202 CWindowGc* iRealGc; |
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203 RPointerArray<CLineData> iLines; |
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204 CFont* iFont; |
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205 CFbsBitmap* iOffScreenBmp; |
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206 CFbsBitGc* iBitGc; |
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207 CFbsBitmapDevice* iBitmapDevice; |
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208 TInt iCurrentLine; |
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209 TBool iUseBitGc; |
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210 }; |
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211 |