// 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:

 //

 #include <pdrstore.h>

 #include "pdrtext.h"

 const TInt KPageBufferSegmentSize=2048;

 EXPORT_C CPageBuffer* CPageBuffer::NewL(CPrinterPort* aPrinterPort)

 	{

 	return NewL(aPrinterPort,KPageBufferSegmentSize);

 	}

 EXPORT_C CPageBuffer* CPageBuffer::NewL(CPrinterPort* aPrinterPort,TInt aGranularity)

 	{

 	CPageBuffer* pagebuffer=new(ELeave) CPageBuffer(aPrinterPort,aGranularity);

 	CleanupStack::PushL(pagebuffer);

 	pagebuffer->ConstructL();

 	CleanupStack::Pop();

 	return pagebuffer;

 	}

 EXPORT_C void CPageBuffer::StartFlush(TRequestStatus& aRequestStatus)	

 	{		//  

 	iRequestStatus=&aRequestStatus;

 	aRequestStatus=KRequestPending;

 	iWritePos=0;

 	Queue();

 	}

 EXPORT_C void CPageBuffer::AddBytesL(const TDesC8& aDes)

 	{

 	iBuffer->InsertL(iBuffer->Size(),aDes);

 	}

 EXPORT_C RWriteStream& CPageBuffer::CreateWriteStreamL()

 	{

 	if (!iWriteStreamBuffer)

 		{

 		iWriteStreamBuffer=CBufSeg::NewL(iGranularity);

 		iWriteStream.Open(*iWriteStreamBuffer,0);

 		}

 	else

 		{

 		iWriteStream.Truncate(*iWriteStreamBuffer,0);

 		}

 	return iWriteStream;

 	}

 EXPORT_C void CPageBuffer::CloseWriteStream()

 	{

 	iWriteStream.Close();

 	CBufSeg* buf=iBuffer;

 	iBuffer=iWriteStreamBuffer;

 	iWriteStreamBuffer=buf;

 	}

 EXPORT_C CPageBuffer::~CPageBuffer()

 	{

 	Cancel();

 	delete iBuffer;

 	if (iWriteStreamBuffer)

 		{

 		iWriteStream.Close();

 		delete iWriteStreamBuffer;

 		}

 	}

 void CPageBuffer::DoCancel()

 	{

 	iPrinterPort->Cancel();	// clears my request

 	if (iRequestStatus!=NULL)

 		User::RequestComplete(iRequestStatus,KErrCancel); // clears my callers request

 	}

 void CPageBuffer::RunL()  //  Shouldn't leave in practice

 	{	

 	if ((iWritePos>=iBuffer->Size()) || (iStatus!=KErrNone))

 		{

 		iBuffer->Reset();

 		if (iRequestStatus!=NULL)

 			User::RequestComplete(iRequestStatus,iStatus.Int()); // clears my callers request

 		}	   //  Reports back error if iStatus!=KErrNone

 	else

 		{

 		Queue();

 		}

 	}

 void CPageBuffer::ConstructL()

 	{

 	iBuffer=CBufSeg::NewL(iGranularity);

 	CActiveScheduler::Add(this);

 	}

 CPageBuffer::CPageBuffer(CPrinterPort* aPrinterPort,TInt aGranularity):

 	CActive(CActive::EPriorityLow),

 	iRequestStatus(NULL),

 	iWritePos(0),

 	iGranularity(aGranularity),

 	iBuffer(NULL),

 	iPtr(NULL,0),

 	iPrinterPort(aPrinterPort),

 	iWriteStream(),

 	iWriteStreamBuffer(NULL)

 	{

 	__DECLARE_NAME(_S("CPageBuffer"));

 	}

 void CPageBuffer::Queue()

 	{

 	TPtr8 ptr=iBuffer->Ptr(iWritePos);

 	iPtr.Set(ptr);

 	iPrinterPort->WriteRequest(iPtr,iStatus);

 	iWritePos+=iPtr.Length();

 	SetActive();

 	}

 /** 

   This function is internal only, and is not intended for use. 

   @internalTechnology

 */

 EXPORT_C TTextFormat::TTextFormat():

 	iUnderlineStyle(EUnderlineOff),

 	iStrikethroughStyle(EStrikethroughOff),

 	iColor(KRgbBlack),

 	iFontString(_L8("")),

 	iFontStyle()

 	{

 	}

 EXPORT_C TTextFormat::TTextFormat(const TFontUnderline anUnderlineStyle,const TFontStrikethrough aStrikethroughStyle,const TRgb& aColor,const TDesC8& aFontString,const TFontStyle& aFontStyle):

 	iUnderlineStyle(anUnderlineStyle),

 	iStrikethroughStyle(aStrikethroughStyle),

 	iColor(aColor),

 	iFontString(aFontString),

 	iFontStyle(aFontStyle)

 	{

 	}

 EXPORT_C TBool TTextFormat::operator == (const TTextFormat& aFormat) const

 	{

 	return (iUnderlineStyle==aFormat.iUnderlineStyle) &&

 	       (iStrikethroughStyle==aFormat.iStrikethroughStyle) &&

 	       (!iFontString.Compare(aFormat.iFontString)) && 

 	       (iFontStyle==aFormat.iFontStyle) && (iColor==aFormat.iColor);

 	}

 EXPORT_C CPageTextEntry::CPageTextEntry(const TPoint& aDrawPos,TInt aHeightInPixels,TInt aTextWidthInPixels,HBufC8* aText,TTextFormat* aTextFormat):

 	iDrawPos(aDrawPos),

 	iHeightInPixels(aHeightInPixels),

 	iTextWidthInPixels(aTextWidthInPixels),

 	iText(aText),

 	iTextFormat(aTextFormat)

 	{

 	__DECLARE_NAME(_S("CPageTextEntry"));

 	}

 EXPORT_C CPageTextEntry::~CPageTextEntry()

 	{

 	delete iText;

 	}

 EXPORT_C TPoint CPageTextEntry::TopTextPos()

 	{

 	return iDrawPos-TPoint(0,iHeightInPixels);

 	}

 CPageText::CPageText()

 	{

 	}

 void CPageText::ConstructL()

 	{

 	iTextFormatList = new(ELeave) CArrayPtrFlat<TTextFormat>(8);

 	iPageTextEntryList = new(ELeave) CArrayPtrFlat<CPageTextEntry>(8);

 	}

 EXPORT_C CPageText* CPageText::NewL()

 	{

 	CPageText* pagetext = new(ELeave) CPageText;

 	CleanupStack::PushL(pagetext);

 	pagetext->ConstructL();

 	CleanupStack::Pop();

 	return pagetext;

 	}

 EXPORT_C CPageText::~CPageText()

 	{

 	Reset();

 	delete iPageTextEntryList;

 	delete iTextFormatList;

 	}

 EXPORT_C void CPageText::Reset()

 	{

 	if (iPageTextEntryList)

 		iPageTextEntryList->ResetAndDestroy();

 	if (iTextFormatList)

 		iTextFormatList->ResetAndDestroy();

 	}

 EXPORT_C void CPageText::AddEntryL(const TPoint& aPoint,const TFontUnderline aUnderlineStyle,const TFontStrikethrough aStrikethroughStyle,const TRgb& aColor,const CInfoFont* aFont,const TDesC& aString)

 	{

 	TTextFormat textformat(aUnderlineStyle,aStrikethroughStyle,aColor,aFont->CommandString(),aFont->FontSpecInTwips().iFontStyle);

 	TInt count=iTextFormatList->Count();

 	TTextFormat* tf;

 	TInt i;

 	for (i = 0; ; i++)

 		{

 		if (i==count)

 			{

 			tf=new(ELeave) TTextFormat(textformat);

 			CleanupStack::PushL(tf);

 			iTextFormatList->AppendL(tf);

 			CleanupStack::Pop();

 			break;

 			}

 		tf=(*iTextFormatList)[i];

 		if (textformat==*tf)

 			break;

 		}

 	HBufC8* text=aFont->TranslateStringL(aString);

 	CleanupStack::PushL(text);

 	CPageTextEntry* textentry=new(ELeave) CPageTextEntry(aPoint+TPoint(0,aFont->BaselineOffsetInPixels()),aFont->HeightInPixels(),aFont->MeasureText(aString),text,tf);

 	CleanupStack::Pop();

 	i=0,count=iPageTextEntryList->Count();

 	for (; (i<count) && (textentry->iDrawPos.iY>(*iPageTextEntryList)[i]->iDrawPos.iY); i++ )

 		{

 		}

 	for (; (i<count) && (textentry->iDrawPos.iY==(*iPageTextEntryList)[i]->iDrawPos.iY) &&

 	                    (textentry->iDrawPos.iX>(*iPageTextEntryList)[i]->iDrawPos.iX); i++)

 		{

 		}

 	CleanupStack::PushL(textentry);

 	iPageTextEntryList->InsertL(i,textentry);

 	CleanupStack::Pop();

 	if (textentry->iHeightInPixels>iMaxFontHeightInPixels)

 		iMaxFontHeightInPixels=textentry->iHeightInPixels;

 	}

 EXPORT_C TInt CPageText::NumEntries()

 	{

 	return iPageTextEntryList->Count();

 	}

 EXPORT_C CPageTextEntry* CPageText::operator [] (TInt anIndex)

 	{

 	return (*iPageTextEntryList)[anIndex];

 	}