// METAFILE.H
//
// Copyright (c) 1997-1999 Symbian Ltd.  All rights reserved.
//

#if !defined(__METAFILE_H__)
#define __METAFILE_H__
#if !defined(__E32STD_H__)
#include <e32std.h>
#endif
#if !defined(__GDI_H__)
#include <gdi.h>
#endif
#if !defined(__S32FILE_H__)
#include <s32file.h>
#endif

const TInt KWinPrintMetafileUidVal(268435687);

class CMetafileDevice :	public CGraphicsDevice
	{
protected:
	IMPORT_C CMetafileDevice(CGraphicsDevice* aDevice);
public:
	IMPORT_C static CMetafileDevice* NewL(CGraphicsDevice* aDevice);
	IMPORT_C ~CMetafileDevice();
	IMPORT_C TInt HorizontalTwipsToPixels(TInt aTwips) const;
	IMPORT_C TInt VerticalTwipsToPixels(TInt aTwips) const;
	IMPORT_C TInt HorizontalPixelsToTwips(TInt aPixels) const;
	IMPORT_C TInt VerticalPixelsToTwips(TInt aPixels) const;
	IMPORT_C TInt GetNearestFontInTwips(CFont*& aFont,const TFontSpec& aFontSpec);
	IMPORT_C void ReleaseFont(CFont* aFont);
	IMPORT_C TDisplayMode DisplayMode() const;
	IMPORT_C TSize SizeInPixels() const;
	IMPORT_C TSize SizeInTwips() const;
    IMPORT_C TInt CreateContext(CGraphicsContext*& aGC);
    IMPORT_C TInt NumTypefaces() const;
    IMPORT_C void TypefaceSupport(TTypefaceSupport& aTypefaceSupport,TInt aTypefaceIndex) const;
	IMPORT_C TInt FontHeightInTwips(TInt aTypefaceIndex,TInt aHeightIndex) const;
	IMPORT_C void PaletteAttributes(TBool& aModifiable,TInt& aNumEntries) const;
	IMPORT_C void SetPalette(CPalette* aPalette);
	IMPORT_C TInt GetPalette(CPalette*& aPalette) const;
	IMPORT_C void UseGcL(TInt aGcIndex);
	IMPORT_C void StartOutputStreamL(RWriteStream& aStream);  // Returns error code
	IMPORT_C void EndOfStreamL(); 
	IMPORT_C RWriteStream& WriteStream();
private:
	TInt iGcCount;
	TInt iGcIndex;
	CGraphicsDevice* iRealDevice;
	RWriteStream* iWriteStream;
	};

class CMetafileGc : public CGraphicsContext
	{
	friend class CMetafileDevice;
protected:
	IMPORT_C CMetafileGc(CMetafileDevice* aMetafileDevice,TInt anIndex);
public:
	IMPORT_C ~CMetafileGc();
	IMPORT_C CGraphicsDevice* Device() const;
	IMPORT_C void SetOrigin(const TPoint& aPos=TPoint(0,0));
	IMPORT_C void SetDrawMode(TDrawMode aDrawingMode);
	IMPORT_C void SetClippingRect(const TRect& aRect);
	IMPORT_C void CancelClippingRect();
	IMPORT_C void Reset();
	IMPORT_C void UseFont(const CFont* aFont);
	IMPORT_C void DiscardFont();
	IMPORT_C void SetUnderlineStyle(TFontUnderline aUnderlineStyle);
	IMPORT_C void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);
	IMPORT_C void SetWordJustification(TInt aExcessWidth,TInt aNumGaps);
	IMPORT_C void SetCharJustification(TInt aExcessWidth,TInt aNumChars);
	IMPORT_C void SetPenColor(const TRgb& aColor);
	IMPORT_C void SetPenStyle(TPenStyle aPenStyle);
	IMPORT_C void SetPenSize(const TSize& aSize);
	IMPORT_C void SetBrushColor(const TRgb& aColor);
	IMPORT_C void SetBrushStyle(TBrushStyle aBrushStyle);
	IMPORT_C void SetBrushOrigin(const TPoint& aOrigin);
	IMPORT_C void UseBrushPattern(const CFbsBitmap* aBitmap);
	IMPORT_C void DiscardBrushPattern();
	IMPORT_C void MoveTo(const TPoint& aPoint);
	IMPORT_C void MoveBy(const TPoint& aVector);
	IMPORT_C void Plot(const TPoint& aPoint);
	IMPORT_C void DrawArc(const TRect& aRect,const TPoint& aStart,const TPoint& aEnd);
	IMPORT_C void DrawLine(const TPoint& aPoint1,const TPoint& aPoint2);
	IMPORT_C void DrawLineTo(const TPoint& aPoint);
	IMPORT_C void DrawLineBy(const TPoint& aVector);
	IMPORT_C void DrawPolyLine(const CArrayFix<TPoint>* aPointList);
	IMPORT_C void DrawPolyLine(const TPoint* aPointList,TInt aNumPoints);
	IMPORT_C void DrawPie(const TRect& aRect,const TPoint& aStart,const TPoint& aEnd);
	IMPORT_C void DrawEllipse(const TRect& aRect);
	IMPORT_C void DrawRect(const TRect& aRect);
	IMPORT_C void DrawRoundRect(const TRect& aRect,const TSize& aCornerSize);
	IMPORT_C TInt DrawPolygon(const CArrayFix<TPoint>* aPointList,TFillRule aFillRule=EAlternate);
	IMPORT_C TInt DrawPolygon(const TPoint* aPointList,TInt aNumPoints,TFillRule aFillRule=EAlternate);
	IMPORT_C void DrawBitmap(const TPoint& aTopLeft,const CFbsBitmap* aSource);
	IMPORT_C void DrawBitmap(const TRect& aDestRect,const CFbsBitmap* aSource);
	IMPORT_C void DrawBitmap(const TRect& aDestRect,const CFbsBitmap* aSource,const TRect& aSourceRect);
	IMPORT_C void DrawText(const TDesC& aString,const TPoint& aPosition);
	IMPORT_C void DrawText(const TDesC& aString,const TRect& aBox,TInt aBaselineOffset,TTextAlign aHoriz=ELeft,TInt aLeftMrg=0);
private:
	void ExternalizeBitmapL(const CFbsBitmap* aSource);
private:
	CMetafileDevice* iDevice;
	TInt iIndex;
	};

class CMetafilePlayback : public CBase
	{
protected:
	IMPORT_C CMetafilePlayback(CGraphicsDevice* aDevice);
public:
	IMPORT_C static CMetafilePlayback* NewL(CGraphicsDevice* aDevice);
	IMPORT_C ~CMetafilePlayback();
	IMPORT_C void DrawL(RReadStream& aReadStream);
protected:
	CGraphicsDevice* iDevice;
	};

#endif