// Copyright (c) 1997-2009 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:

//

#ifndef METAFILE_H

#define METAFILE_H

#include <e32std.h>

#include <gdi.h>

#include <s32file.h>

const TInt KWinPrintMetafileUidVal(268435687);

/**

 * @internalTechnology

 * Internal to Symbian

 */

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 TInt GetNearestFontToDesignHeightInTwips(CFont*& aFont,const TFontSpec& aFontSpec);

	IMPORT_C TInt GetNearestFontToMaxHeightInTwips(CFont*& aFont,const TFontSpec& aFontSpec, TInt aMaxHeight);

	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;

	};

/**

 * @internalTechnology

 * Internal to Symbian

 */

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 DrawBitmapMasked(const TRect& aDestRect,const CFbsBitmap* aBitmap,const TRect& aSourceRect,const CFbsBitmap* aMaskBitmap,TBool aInvertMask);

	IMPORT_C void DrawBitmapMasked(const TRect& aDestRect,const CWsBitmap* aBitmap,const TRect& aSourceRect,const CWsBitmap* aMaskBitmap,TBool aInvertMask);

	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);

	IMPORT_C void MapColors(const TRect& aRect,const TRgb* aColors,TInt aNumPairs,TBool aMapForwards);

	IMPORT_C TInt SetClippingRegion(const TRegion &aRegion);

	IMPORT_C void CancelClippingRegion();

	IMPORT_C void DrawTextVertical(const TDesC& aText,const TPoint& aPos,TBool aUp);

	IMPORT_C void DrawTextVertical(const TDesC& aText,const TRect& aBox,TInt aBaselineOffset,TBool aUp,TTextAlign aVert=ELeft,TInt aMargin=0);								

	IMPORT_C TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CFbsBitmap* aSrcBmp, const TRect& aSrcRect, const CFbsBitmap* aAlphaBmp, const TPoint& aAlphaPt);

	IMPORT_C TInt AlphaBlendBitmaps(const TPoint& aDestPt, const CWsBitmap* aSrcBmp,  const TRect& aSrcRect, const CWsBitmap*  aAlphaBmp, const TPoint& aAlphaPt);

private:

	void ExternalizeBitmapL(const CFbsBitmap* aSource);

private:

	CMetafileDevice* iDevice;

	TInt iIndex;

	};

/**

 * @internalTechnology

 * Internal to Symbian

 */

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