|
1 /* |
|
2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Recording graphics context used to cache drawing commands. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include <w32std.h> |
|
20 #include <gdi.h> |
|
21 |
|
22 class CFbsBitmap; |
|
23 class CFbsBitGc; |
|
24 class CFbsBitmapDevice; |
|
25 |
|
26 NONSHARABLE_CLASS( CMRRecordingGc ) : public CWindowGc |
|
27 { |
|
28 public: |
|
29 |
|
30 CMRRecordingGc( CWindowGc& aRealGc ); |
|
31 ~CMRRecordingGc(); |
|
32 |
|
33 public: |
|
34 |
|
35 /** |
|
36 * Flush recorded drawing commands from buffer to the real |
|
37 * graphics context. |
|
38 * |
|
39 * @param aRect Target rectangle to draw |
|
40 */ |
|
41 void FlushBuffer( const TRect& aRect ); |
|
42 |
|
43 /** |
|
44 * Delete recorded drawing commands |
|
45 */ |
|
46 void PurgeBuffer(); |
|
47 |
|
48 public: // From CGraphicsContext |
|
49 |
|
50 void SetOrigin(const TPoint &aPoint=TPoint(0,0)); |
|
51 |
|
52 protected: |
|
53 |
|
54 // From CWindowGc |
|
55 |
|
56 void Activate( RDrawableWindow &aDevice ); |
|
57 void Deactivate(); |
|
58 |
|
59 // From CGraphicsContext |
|
60 CGraphicsDevice* Device() const; |
|
61 void SetDrawMode(TDrawMode aDrawingMode); |
|
62 void SetClippingRect(const TRect& aRect); |
|
63 void CancelClippingRect(); |
|
64 void Reset(); |
|
65 |
|
66 void UseFont(const CFont *aFont); |
|
67 void DiscardFont(); |
|
68 void SetUnderlineStyle(TFontUnderline aUnderlineStyle); |
|
69 void SetStrikethroughStyle( TFontStrikethrough aStrikethroughStyle ); |
|
70 |
|
71 void SetWordJustification(TInt aExcessWidth,TInt aNumGaps); |
|
72 void SetCharJustification(TInt aExcessWidth,TInt aNumChars); |
|
73 |
|
74 void SetPenColor(const TRgb &aColor); |
|
75 void SetPenStyle(TPenStyle aPenStyle); |
|
76 void SetPenSize(const TSize& aSize); |
|
77 |
|
78 void SetBrushColor(const TRgb &aColor); |
|
79 void SetBrushStyle(TBrushStyle aBrushStyle); |
|
80 void SetBrushOrigin(const TPoint &aOrigin); |
|
81 void UseBrushPattern(const CFbsBitmap *aDevice); |
|
82 void DiscardBrushPattern(); |
|
83 |
|
84 void MoveTo(const TPoint &aPoint); |
|
85 void MoveBy(const TPoint &aPoint); |
|
86 void Plot(const TPoint &aPoint); |
|
87 |
|
88 void DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd); |
|
89 void DrawLine(const TPoint &aPoint1,const TPoint &aPoint2); |
|
90 void DrawLineTo(const TPoint &aPoint); |
|
91 void DrawLineBy( const TPoint& aPoint ); |
|
92 |
|
93 void DrawPolyLine(const CArrayFix<TPoint> *aPointList); |
|
94 void DrawPolyLine(const TPoint* aPointList,TInt aNumPoints); |
|
95 |
|
96 void DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd); |
|
97 void DrawEllipse(const TRect &aRect); |
|
98 void DrawRect(const TRect &aRect); |
|
99 void DrawRoundRect(const TRect &aRect,const TSize &aEllipse); |
|
100 TInt DrawPolygon(const CArrayFix<TPoint> *aPointList,TFillRule aFillRule=EAlternate); |
|
101 TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule=EAlternate); |
|
102 |
|
103 void DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aDevice); |
|
104 void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice); |
|
105 void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice, const TRect &aSourceRect); |
|
106 void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask); |
|
107 void DrawBitmapMasked(const TRect& aDestRect, const CWsBitmap* aBitmap, const TRect& aSourceRect, const CWsBitmap* aMaskBitmap, TBool aInvertMask); |
|
108 |
|
109 void DrawText(const TDesC &aBuf,const TPoint &aPos); |
|
110 void DrawText(const TDesC &aBuf,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0); |
|
111 |
|
112 // From CBitmapContext |
|
113 void Clear(); |
|
114 void Clear(const TRect &aRect); |
|
115 void CopyRect(const TPoint &anOffset,const TRect &aRect); |
|
116 void BitBlt(const TPoint &aPos, const CFbsBitmap *aBitmap); |
|
117 void BitBlt(const TPoint &aDestination, const CFbsBitmap *aBitmap, const TRect &aSource); |
|
118 void BitBltMasked(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask); |
|
119 void BitBlt(const TPoint &aPoint, const CWsBitmap *aBitmap); |
|
120 void BitBlt(const TPoint &aDestination, const CWsBitmap *aBitmap, const TRect &aSource); |
|
121 void BitBltMasked(const TPoint& aPoint,const CWsBitmap *aBitmap,const TRect& aSourceRect,const CWsBitmap *aMaskBitmap,TBool aInvertMask); |
|
122 void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs=2,TBool aMapForwards=ETrue); |
|
123 |
|
124 void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp); |
|
125 void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0); |
|
126 |
|
127 //=================Extra functions specific to wserv GDI============== |
|
128 void SetDitherOrigin(const TPoint& aPoint); |
|
129 TInt SetClippingRegion(const TRegion &aRegion); |
|
130 void CancelClippingRegion(); |
|
131 void SetOpaque(TBool aDrawOpaque=ETrue); |
|
132 |
|
133 // From CFbsBitGc |
|
134 void SetFaded(TBool aFaded); |
|
135 void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap); |
|
136 TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt); |
|
137 TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp, const TRect& aSrcRect, const CWsBitmap* aAlphaBmp, const TPoint& aAlphaPt); |
|
138 |
|
139 TAny* Interface( TUid aInterfaceId ); |
|
140 const TAny* Interface( TUid aInterfaceId ) const; |
|
141 |
|
142 protected: |
|
143 TInt APIExtension( TUid aUid, TAny*& aOutput, TAny* aInput ); |
|
144 |
|
145 private: |
|
146 |
|
147 /** |
|
148 * Buffer item to store drawing command and parameters |
|
149 */ |
|
150 NONSHARABLE_CLASS( CBufferItem ) : public CBase |
|
151 { |
|
152 public: |
|
153 enum TCommandType |
|
154 { |
|
155 EShortText, |
|
156 ELongText, |
|
157 ESetPenColor, |
|
158 EBitBlt1, |
|
159 EBitBlt2, |
|
160 EBitBltMasked1, |
|
161 EUseFont, |
|
162 EDiscardFont, |
|
163 ESetDrawMode, |
|
164 ESetClippingRect, |
|
165 ECancelClippingRect, |
|
166 ESetBrushColor, |
|
167 ESetBrushStyle, |
|
168 EDrawRect, |
|
169 EClear, |
|
170 EDrawLine, |
|
171 ESetUnderlineStyle, |
|
172 ESetStrikethroughStyle |
|
173 }; |
|
174 |
|
175 public: |
|
176 ~CBufferItem(); |
|
177 |
|
178 /** |
|
179 * Translated commaned with given point |
|
180 */ |
|
181 void Translate( const TPoint& aPoint ); |
|
182 |
|
183 TInt iType; |
|
184 HBufC* iText; |
|
185 TPoint iPosition; |
|
186 TRect iBox; |
|
187 TInt iBaseLineOffset; |
|
188 //TTextAlign iHorizontal; |
|
189 TInt iLeftMargin; |
|
190 TRgb iColor; |
|
191 const CFbsBitmap* iBitmap; |
|
192 const CFbsBitmap* iMask; |
|
193 TRect iSource; |
|
194 TBool iInvertMask; |
|
195 const CFont* iFont; |
|
196 //TDrawMode iDrawMode; |
|
197 //TBrushStyle iBrushStyle; |
|
198 TRect iRect; |
|
199 TInt iValue; |
|
200 }; |
|
201 |
|
202 CBufferItem* BufferItem(); |
|
203 |
|
204 /// Ref: Real window GC for actual drawing |
|
205 CWindowGc& iRealGc; |
|
206 /// Own: Array of recorded drawing commands |
|
207 RPointerArray<CBufferItem> iItems; |
|
208 /// Own: Recording origin relative to real context |
|
209 TPoint iOrigin; |
|
210 }; |
|
211 |