// 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:

//

#include "graphicscontextstate.h"

#include "cliwin.h"

/*------------------------------------------------------------------------------

  Description: Resets internal status of the graphics context to pre-defined values.

 -----------------------------------------------------------------------------*/

void TInternalGcStatus::ResetInternalStatus(CWsClientWindow* aWin)

	{

	iDrawMode = CGraphicsContext::EDrawModePEN;

	iPenColor = KRgbBlack;

	iBrushColor = aWin ? aWin->BackColor() : KRgbWhite;

	iPenStyle = CGraphicsContext::ESolidPen;

	iBrushStyle = CGraphicsContext::ENullBrush;

	iPenSize = TSize(1,1);

	iFontHandle = NULL;

	iUnderline = EUnderlineOff;

	iStrikethrough = EStrikethroughOff;

	iBrushPatternHandle = NULL;

	iBrushOrigin = TPoint(0,0);

	iCharExcessWidth = 0;

	iCharNumChars = 0;

	iWordExcessWidth = 0;

	iWordNumChars = 0;

	iOrigin = TPoint(0,0);

	iShadowColor = KRgbGray; 

	}

/*------------------------------------------------------------------------------

  Description: Helper function to retrieve current data from the given buffer and 

  set graphics context.

 -----------------------------------------------------------------------------*/

void TInternalGcStatus::InternalizeGcAttributesL(MWsGraphicsContext* aGc, RReadStream& aReadStream)

	{

	aGc->SetDrawMode((MWsGraphicsContext::TDrawMode)(aReadStream.ReadUint8L()));

	MWsGraphicsContext::TBrushStyle brushStyle = (MWsGraphicsContext::TBrushStyle) (aReadStream.ReadUint8L());

	aGc->SetPenStyle((MWsGraphicsContext::TPenStyle) (aReadStream.ReadUint8L()));

	TRgb penColor;

	penColor.InternalizeL(aReadStream); 

	aGc->SetPenColor(penColor);

	TRgb brushColor;

	brushColor.InternalizeL(aReadStream);

	aGc->SetBrushColor(brushColor);

	TSize size;

	aReadStream >> size;

	aGc->SetPenSize(size);

	aGc->ResetBrushPattern();

	TInt brushHandle = aReadStream.ReadInt32L();

	if(brushHandle)

		{

		aGc->SetBrushPattern(brushHandle);

		if (!aGc->HasBrushPattern() && brushStyle == MWsGraphicsContext::EPatternedBrush)

			{

			// Panic may occur if trying to set EPatternedBrush when a bitmap has not been

			// successfully set, so revert to null brush.

			brushStyle = MWsGraphicsContext::ENullBrush;

			}

		}

	// Wait until any brush pattern has been set before setting the brush style.

	aGc->SetBrushStyle(brushStyle);

	TInt wordExcessWidth = aReadStream.ReadUint32L();

	TInt wordNumChars = aReadStream.ReadUint32L();

	aGc->SetWordJustification(wordExcessWidth, wordNumChars);

	TInt charExcessWidth = aReadStream.ReadUint32L();

	TInt charNumChars = aReadStream.ReadUint32L();

	aGc->SetCharJustification(charExcessWidth, charNumChars);

	TRgb shadowColor;

	shadowColor.InternalizeL(aReadStream);

	aGc->SetTextShadowColor(shadowColor);

	TPoint origin;

	aReadStream >> origin;

	aGc->SetOrigin(origin);

	TPoint brushOrigin;

	aReadStream >> brushOrigin;

	aGc->SetBrushOrigin(brushOrigin);

	aGc->SetUnderlineStyle((MWsGraphicsContext::TFontUnderline) (aReadStream.ReadUint8L()));

 	aGc->SetStrikethroughStyle((MWsGraphicsContext::TFontStrikethrough) (aReadStream.ReadUint8L()));

	aGc->ResetFont();

	TInt fontHandle = aReadStream.ReadInt32L();

	if(fontHandle)

		{

		CFbsBitGcFont font;

		TInt res = font.Duplicate(fontHandle);

		if(res == KErrNone)

			{

			aGc->SetFont(&font);

			font.Reset();

			}

		}

	}

/*------------------------------------------------------------------------------

  Description: Helper function to save graphics context information into a given buffer.

 -----------------------------------------------------------------------------*/

void TInternalGcStatus::ExternalizeGcAttributesL(RWriteStream& aWriteStream)

	{

	aWriteStream.WriteUint8L(iDrawMode);

	aWriteStream.WriteUint8L(iBrushStyle);

	aWriteStream.WriteUint8L(iPenStyle);

	iPenColor.ExternalizeL(aWriteStream); 

	iBrushColor.ExternalizeL(aWriteStream);

	aWriteStream << iPenSize;

	aWriteStream.WriteInt32L(iBrushPatternHandle);

	aWriteStream.WriteUint32L(iWordExcessWidth);

	aWriteStream.WriteUint32L(iWordNumChars);

	aWriteStream.WriteUint32L(iCharExcessWidth);

	aWriteStream.WriteUint32L(iCharNumChars);

	iShadowColor.ExternalizeL(aWriteStream);

	aWriteStream << iOrigin;

	aWriteStream << iBrushOrigin;

	aWriteStream.WriteUint8L(iUnderline);

	aWriteStream.WriteUint8L(iStrikethrough);

	aWriteStream.WriteInt32L(iFontHandle);

	}