// 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);

 	}