/*
* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Recording graphics context used to cache drawing commands.
*
*/
#include <w32std.h>
#include <gdi.h>
class CFbsBitmap;
class CFbsBitGc;
class CFbsBitmapDevice;
NONSHARABLE_CLASS( CMRRecordingGc ) : public CWindowGc
{
public:
CMRRecordingGc( CWindowGc& aRealGc );
~CMRRecordingGc();
public:
/**
* Flush recorded drawing commands from buffer to the real
* graphics context.
*
* @param aRect Target rectangle to draw
*/
void FlushBuffer( const TRect& aRect );
/**
* Delete recorded drawing commands
*/
void PurgeBuffer();
public: // From CGraphicsContext
void SetOrigin(const TPoint &aPoint=TPoint(0,0));
protected:
// From CWindowGc
void Activate( RDrawableWindow &aDevice );
void Deactivate();
// From CGraphicsContext
CGraphicsDevice* Device() const;
void SetDrawMode(TDrawMode aDrawingMode);
void SetClippingRect(const TRect& aRect);
void CancelClippingRect();
void Reset();
void UseFont(const CFont *aFont);
void DiscardFont();
void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
void SetStrikethroughStyle( TFontStrikethrough aStrikethroughStyle );
void SetWordJustification(TInt aExcessWidth,TInt aNumGaps);
void SetCharJustification(TInt aExcessWidth,TInt aNumChars);
void SetPenColor(const TRgb &aColor);
void SetPenStyle(TPenStyle aPenStyle);
void SetPenSize(const TSize& aSize);
void SetBrushColor(const TRgb &aColor);
void SetBrushStyle(TBrushStyle aBrushStyle);
void SetBrushOrigin(const TPoint &aOrigin);
void UseBrushPattern(const CFbsBitmap *aDevice);
void DiscardBrushPattern();
void MoveTo(const TPoint &aPoint);
void MoveBy(const TPoint &aPoint);
void Plot(const TPoint &aPoint);
void DrawArc(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
void DrawLine(const TPoint &aPoint1,const TPoint &aPoint2);
void DrawLineTo(const TPoint &aPoint);
void DrawLineBy( const TPoint& aPoint );
void DrawPolyLine(const CArrayFix<TPoint> *aPointList);
void DrawPolyLine(const TPoint* aPointList,TInt aNumPoints);
void DrawPie(const TRect &aRect,const TPoint &aStart,const TPoint &aEnd);
void DrawEllipse(const TRect &aRect);
void DrawRect(const TRect &aRect);
void DrawRoundRect(const TRect &aRect,const TSize &aEllipse);
TInt DrawPolygon(const CArrayFix<TPoint> *aPointList,TFillRule aFillRule=EAlternate);
TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule=EAlternate);
void DrawBitmap(const TPoint &aTopLeft, const CFbsBitmap *aDevice);
void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice);
void DrawBitmap(const TRect &aDestRect, const CFbsBitmap *aDevice, const TRect &aSourceRect);
void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap* aBitmap, const TRect& aSourceRect, const CFbsBitmap* aMaskBitmap, TBool aInvertMask);
void DrawBitmapMasked(const TRect& aDestRect, const CWsBitmap* aBitmap, const TRect& aSourceRect, const CWsBitmap* aMaskBitmap, TBool aInvertMask);
void DrawText(const TDesC &aBuf,const TPoint &aPos);
void DrawText(const TDesC &aBuf,const TRect &aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0);
// From CBitmapContext
void Clear();
void Clear(const TRect &aRect);
void CopyRect(const TPoint &anOffset,const TRect &aRect);
void BitBlt(const TPoint &aPos, const CFbsBitmap *aBitmap);
void BitBlt(const TPoint &aDestination, const CFbsBitmap *aBitmap, const TRect &aSource);
void BitBltMasked(const TPoint& aPoint,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask);
void BitBlt(const TPoint &aPoint, const CWsBitmap *aBitmap);
void BitBlt(const TPoint &aDestination, const CWsBitmap *aBitmap, const TRect &aSource);
void BitBltMasked(const TPoint& aPoint,const CWsBitmap *aBitmap,const TRect& aSourceRect,const CWsBitmap *aMaskBitmap,TBool aInvertMask);
void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs=2,TBool aMapForwards=ETrue);
void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp);
void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);
//=================Extra functions specific to wserv GDI==============
void SetDitherOrigin(const TPoint& aPoint);
TInt SetClippingRegion(const TRegion &aRegion);
void CancelClippingRegion();
void SetOpaque(TBool aDrawOpaque=ETrue);
// From CFbsBitGc
void SetFaded(TBool aFaded);
void SetFadingParameters(TUint8 aBlackMap,TUint8 aWhiteMap);
TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt);
TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp, const TRect& aSrcRect, const CWsBitmap* aAlphaBmp, const TPoint& aAlphaPt);
TAny* Interface( TUid aInterfaceId );
const TAny* Interface( TUid aInterfaceId ) const;
protected:
TInt APIExtension( TUid aUid, TAny*& aOutput, TAny* aInput );
private:
/**
* Buffer item to store drawing command and parameters
*/
NONSHARABLE_CLASS( CBufferItem ) : public CBase
{
public:
enum TCommandType
{
EShortText,
ELongText,
ESetPenColor,
EBitBlt1,
EBitBlt2,
EBitBltMasked1,
EUseFont,
EDiscardFont,
ESetDrawMode,
ESetClippingRect,
ECancelClippingRect,
ESetBrushColor,
ESetBrushStyle,
EDrawRect,
EClear,
EDrawLine,
ESetUnderlineStyle,
ESetStrikethroughStyle
};
public:
~CBufferItem();
/**
* Translated commaned with given point
*/
void Translate( const TPoint& aPoint );
TInt iType;
HBufC* iText;
TPoint iPosition;
TRect iBox;
TInt iBaseLineOffset;
//TTextAlign iHorizontal;
TInt iLeftMargin;
TRgb iColor;
const CFbsBitmap* iBitmap;
const CFbsBitmap* iMask;
TRect iSource;
TBool iInvertMask;
const CFont* iFont;
//TDrawMode iDrawMode;
//TBrushStyle iBrushStyle;
TRect iRect;
TInt iValue;
};
CBufferItem* BufferItem();
/// Ref: Real window GC for actual drawing
CWindowGc& iRealGc;
/// Own: Array of recorded drawing commands
RPointerArray<CBufferItem> iItems;
/// Own: Recording origin relative to real context
TPoint iOrigin;
};