// Copyright (c) 2008-2009 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 __GRAPHICSCONTEXTCHECKER_H__

#define __GRAPHICSCONTEXTCHECKER_H__

#include <graphics/wsgraphicscontext.h>

#include <graphics/wscursor.h>

#include <graphics/wsgraphicdrawer.h>

class CGraphicsContextChecker : public CBase, 

								public MWsGraphicsContext, 

								public MWsTextCursor, 

								public MWsFader, 

								public MWsDrawAnnotationObserver

	{

public:

	static CGraphicsContextChecker* NewL(MWsGraphicDrawerEnvironment& aEnv);

	~CGraphicsContextChecker();

	void SetGraphicsContext(MWsGraphicsContext* aGraphicsContext);

	const MWsGraphicsContext* GraphicsContext() const;

	void SetTextCursor(MWsTextCursor* aTextCursor);

	const MWsTextCursor* TextCursor() const;

	void SetFader(MWsFader* aFader);

	const MWsFader* Fader() const;

public: //MWsObjectProvider

	TAny* ResolveObjectInterface(TUint aTypeId);

public: //MWsGraphicsContext

	void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap);

	void BitBlt(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect);

	void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask);

	void BitBltMasked(const TPoint& aDestPos, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, const TPoint& aMaskPos);

	void ResetClippingRegion();

	void Clear();

	void Clear(const TRect& aRect);

	void ResetBrushPattern();

	void ResetFont();

	void DrawArc(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd);

	void DrawPie(const TRect& aRect, const TPoint& aStart, const TPoint& aEnd);

	void DrawBitmap(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap);

	void DrawBitmap(const TRect& aDestRect,	const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect);

	void DrawBitmapMasked(const TRect& aDestRect, const CFbsBitmap& aSourceBitmap, const TRect& aSourceRect, const CFbsBitmap& aMaskBitmap, TBool aInvertMask);

	void DrawRoundRect(const TRect& aRect, const TSize& aEllipse);

	void DrawPolyLine(const TArray<TPoint>& aPointList);

	void DrawPolyLineNoEndPoint(const TArray<TPoint>& aPointList);

	void DrawPolygon(const TArray<TPoint>& aPointList, TFillRule aFillRule=EAlternate);

	void DrawEllipse(const TRect& aRect);

	void DrawLine(const TPoint& aStart, const TPoint& aEnd);

	void DrawLineTo(const TPoint& aPoint);

	void DrawLineBy(const TPoint& aVector);

	void DrawRect(const TRect& aRect);

	void DrawText(const TDesC& aText, const TTextParameters* aParam);

	void DrawText(const TDesC& aText, const TTextParameters* aParam, const TPoint& aPosition);

	void DrawText(const TDesC& aText, const TTextParameters* aParam, const TRect& aClipRect);

	void DrawText(const TDesC& aText, const TTextParameters* aParam, const TRect& aClipFillRect, TInt aBaselineOffset, TTextAlign aHrz=ELeft, TInt aMargin=0);

	void DrawTextVertical(const TDesC& aText, const TTextParameters* aParam, TBool aUp);

	void DrawTextVertical(const TDesC& aText, const TTextParameters* aParam, const TPoint& aPosition, TBool aUp);

	void DrawTextVertical(const TDesC& aText, const TTextParameters* aParam, const TRect& aClipRect, TBool aUp);

	void DrawTextVertical(const TDesC& aText, const TTextParameters* aParam, const TRect& aClipRect, TInt aBaselineOffset, TBool aUp, TTextAlign aVert=ELeft, TInt aMargin=0);

	void DrawTextVertical(const TDesC& aText,const TTextParameters* aParam, const TRect& aClipRect, TInt aBaselineOffset, TInt aTextWidth, TBool aUp, TTextAlign aVert=ELeft, TInt aMargin=0);

	void MoveTo(const TPoint& aPoint);

	void MoveBy(const TPoint& aVector);

	void Plot(const TPoint& aPoint);

	void Reset();

	void SetBrushColor(const TRgb& aColor);

	void SetBrushOrigin(const TPoint& aOrigin);

	void SetBrushStyle(TBrushStyle aBrushStyle);

	void SetClippingRegion(const TRegion& aRegion);

	void SetDrawMode(TDrawMode aDrawMode);

	void SetOrigin(const TPoint& aPoint = TPoint(0, 0));

	void SetPenColor(const TRgb& aColor);

	void SetPenStyle(TPenStyle aPenStyle);

	void SetPenSize(const TSize& aSize);

	void SetTextShadowColor(const TRgb& aColor);

	void SetCharJustification(TInt aExcessWidth, TInt aNumChars);

	void SetWordJustification(TInt aExcessWidth, TInt aNumGaps);

	void SetUnderlineStyle(TFontUnderline aUnderlineStyle);

	void SetStrikethroughStyle(TFontStrikethrough aStrikethroughStyle);

	void SetBrushPattern(const CFbsBitmap& aBitmap);

	void SetBrushPattern(TInt aFbsBitmapHandle);

	void SetFont(const CFont* aFont);

	void CopyRect(const TPoint& aOffset, const TRect& aRect);

	void UpdateJustification(const TDesC& aText, const TTextParameters* aParam);

	void UpdateJustificationVertical(const TDesC& aText, const TTextParameters* aParam, TBool aUp);

	void SetFontNoDuplicate(const CFont* aFont);

	TBool HasBrushPattern() const;

	TBool HasFont() const;

	TRgb BrushColor() const;

	TRgb PenColor() const;

	TRgb TextShadowColor() const;

	TInt GetError();

	TPoint Origin() const;

	const TRegion& ClippingRegion();

	TInt Push();

	void Pop();	

public: //MWsTextCursor

	void DrawTextCursor(const TTextCursorInfo& aTextCursorInfo);

public: //MWsFader

	void SetFadingParameters(const TDesC8& aData);

	void FadeArea(const TRegion& aRegion);

public: //MWsDrawAnnotationObserver

	void WindowRedrawStart(const MWsWindowTreeNode& aWindowTreeNode, const TRegion& aRegion);

	void WindowRedrawEnd(const MWsWindowTreeNode& aWindowTreeNode);

	void WindowAnimRedrawStart(const MWsWindowTreeNode& aWindowTreeNode, const TRegion& aRegion);

	void WindowAnimRedrawEnd(const MWsWindowTreeNode& aWindowTreeNode);

	void SpriteRedrawStart(const MWsWindowTreeNode& aWindowTreeNode, const TRegion& aRegion);

	void SpriteRedrawEnd(const MWsWindowTreeNode& aWindowTreeNode);

	void SpriteFlash(const MWsWindowTreeNode& aWindowTreeNode, TBool aFlashOn);

	void SegmentRedrawStart(const TRegion& aRegion);

	void SegmentRedrawEnd();

private:

	enum TDrawingTarget

		{

		ETargetNone,

		ETargetWindow,

		ETargetWindowAnim,

		ETargetWindowSprite,

		ETargetFloatingSprite,

		};

private:

	CGraphicsContextChecker();

private:

	MWsGraphicsContext* iContext;

	MWsTextCursor* iTextCursor;

	MWsFader* iFader;

	TDrawingTarget iTarget;

	};

#endif //__GRAPHICSCONTEXTCHECKER_H__