sl@0: // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: //
sl@0: 
sl@0: #include <pdrstore.h>
sl@0: #include "pdrtext.h"
sl@0: 
sl@0: const TInt KPageBufferSegmentSize=2048;
sl@0: 
sl@0: EXPORT_C CPageBuffer* CPageBuffer::NewL(CPrinterPort* aPrinterPort)
sl@0: 	{
sl@0: 	return NewL(aPrinterPort,KPageBufferSegmentSize);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPageBuffer* CPageBuffer::NewL(CPrinterPort* aPrinterPort,TInt aGranularity)
sl@0: 	{
sl@0: 	CPageBuffer* pagebuffer=new(ELeave) CPageBuffer(aPrinterPort,aGranularity);
sl@0: 	CleanupStack::PushL(pagebuffer);
sl@0: 	pagebuffer->ConstructL();
sl@0: 	CleanupStack::Pop();
sl@0: 	return pagebuffer;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CPageBuffer::StartFlush(TRequestStatus& aRequestStatus)	
sl@0: 	{		//  
sl@0: 	iRequestStatus=&aRequestStatus;
sl@0: 	aRequestStatus=KRequestPending;
sl@0: 	iWritePos=0;
sl@0: 	Queue();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CPageBuffer::AddBytesL(const TDesC8& aDes)
sl@0: 	{
sl@0: 	iBuffer->InsertL(iBuffer->Size(),aDes);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C RWriteStream& CPageBuffer::CreateWriteStreamL()
sl@0: 	{
sl@0: 	if (!iWriteStreamBuffer)
sl@0: 		{
sl@0: 		iWriteStreamBuffer=CBufSeg::NewL(iGranularity);
sl@0: 		iWriteStream.Open(*iWriteStreamBuffer,0);
sl@0: 		}
sl@0: 	else
sl@0: 		{
sl@0: 		iWriteStream.Truncate(*iWriteStreamBuffer,0);
sl@0: 		}
sl@0: 	return iWriteStream;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CPageBuffer::CloseWriteStream()
sl@0: 	{
sl@0: 	iWriteStream.Close();
sl@0: 	CBufSeg* buf=iBuffer;
sl@0: 	iBuffer=iWriteStreamBuffer;
sl@0: 	iWriteStreamBuffer=buf;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPageBuffer::~CPageBuffer()
sl@0: 	{
sl@0: 	Cancel();
sl@0: 	delete iBuffer;
sl@0: 	if (iWriteStreamBuffer)
sl@0: 		{
sl@0: 		iWriteStream.Close();
sl@0: 		delete iWriteStreamBuffer;
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CPageBuffer::DoCancel()
sl@0: 	{
sl@0: 	iPrinterPort->Cancel();	// clears my request
sl@0: 	if (iRequestStatus!=NULL)
sl@0: 		User::RequestComplete(iRequestStatus,KErrCancel); // clears my callers request
sl@0: 	}
sl@0: 
sl@0: void CPageBuffer::RunL()  //  Shouldn't leave in practice
sl@0: 	{	
sl@0: 	if ((iWritePos>=iBuffer->Size()) || (iStatus!=KErrNone))
sl@0: 		{
sl@0: 		iBuffer->Reset();
sl@0: 		if (iRequestStatus!=NULL)
sl@0: 			User::RequestComplete(iRequestStatus,iStatus.Int()); // clears my callers request
sl@0: 		}	   //  Reports back error if iStatus!=KErrNone
sl@0: 	else
sl@0: 		{
sl@0: 		Queue();
sl@0: 		}
sl@0: 	}
sl@0: 
sl@0: void CPageBuffer::ConstructL()
sl@0: 	{
sl@0: 	iBuffer=CBufSeg::NewL(iGranularity);
sl@0: 	CActiveScheduler::Add(this);
sl@0: 	}
sl@0: 
sl@0: CPageBuffer::CPageBuffer(CPrinterPort* aPrinterPort,TInt aGranularity):
sl@0: 	CActive(CActive::EPriorityLow),
sl@0: 	iRequestStatus(NULL),
sl@0: 	iWritePos(0),
sl@0: 	iGranularity(aGranularity),
sl@0: 	iBuffer(NULL),
sl@0: 	iPtr(NULL,0),
sl@0: 	iPrinterPort(aPrinterPort),
sl@0: 	iWriteStream(),
sl@0: 	iWriteStreamBuffer(NULL)
sl@0: 	{
sl@0: 	__DECLARE_NAME(_S("CPageBuffer"));
sl@0: 	}
sl@0: 
sl@0: void CPageBuffer::Queue()
sl@0: 	{
sl@0: 	TPtr8 ptr=iBuffer->Ptr(iWritePos);
sl@0: 	iPtr.Set(ptr);
sl@0: 	iPrinterPort->WriteRequest(iPtr,iStatus);
sl@0: 	iWritePos+=iPtr.Length();
sl@0: 	SetActive();
sl@0: 	}
sl@0: 
sl@0: /** 
sl@0:   This function is internal only, and is not intended for use. 
sl@0:   @internalTechnology
sl@0: */
sl@0: EXPORT_C TTextFormat::TTextFormat():
sl@0: 	iUnderlineStyle(EUnderlineOff),
sl@0: 	iStrikethroughStyle(EStrikethroughOff),
sl@0: 	iColor(KRgbBlack),
sl@0: 	iFontString(_L8("")),
sl@0: 	iFontStyle()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TTextFormat::TTextFormat(const TFontUnderline anUnderlineStyle,const TFontStrikethrough aStrikethroughStyle,const TRgb& aColor,const TDesC8& aFontString,const TFontStyle& aFontStyle):
sl@0: 	iUnderlineStyle(anUnderlineStyle),
sl@0: 	iStrikethroughStyle(aStrikethroughStyle),
sl@0: 	iColor(aColor),
sl@0: 	iFontString(aFontString),
sl@0: 	iFontStyle(aFontStyle)
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TBool TTextFormat::operator == (const TTextFormat& aFormat) const
sl@0: 	{
sl@0: 	return (iUnderlineStyle==aFormat.iUnderlineStyle) &&
sl@0: 	       (iStrikethroughStyle==aFormat.iStrikethroughStyle) &&
sl@0: 	       (!iFontString.Compare(aFormat.iFontString)) && 
sl@0: 	       (iFontStyle==aFormat.iFontStyle) && (iColor==aFormat.iColor);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPageTextEntry::CPageTextEntry(const TPoint& aDrawPos,TInt aHeightInPixels,TInt aTextWidthInPixels,HBufC8* aText,TTextFormat* aTextFormat):
sl@0: 	iDrawPos(aDrawPos),
sl@0: 	iHeightInPixels(aHeightInPixels),
sl@0: 	iTextWidthInPixels(aTextWidthInPixels),
sl@0: 	iText(aText),
sl@0: 	iTextFormat(aTextFormat)
sl@0: 	{
sl@0: 	__DECLARE_NAME(_S("CPageTextEntry"));
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPageTextEntry::~CPageTextEntry()
sl@0: 	{
sl@0: 	delete iText;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TPoint CPageTextEntry::TopTextPos()
sl@0: 	{
sl@0: 	return iDrawPos-TPoint(0,iHeightInPixels);
sl@0: 	}
sl@0: 
sl@0: CPageText::CPageText()
sl@0: 	{
sl@0: 	}
sl@0: 
sl@0: void CPageText::ConstructL()
sl@0: 	{
sl@0: 	iTextFormatList = new(ELeave) CArrayPtrFlat<TTextFormat>(8);
sl@0: 	iPageTextEntryList = new(ELeave) CArrayPtrFlat<CPageTextEntry>(8);
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPageText* CPageText::NewL()
sl@0: 	{
sl@0: 	CPageText* pagetext = new(ELeave) CPageText;
sl@0: 	CleanupStack::PushL(pagetext);
sl@0: 	pagetext->ConstructL();
sl@0: 	CleanupStack::Pop();
sl@0: 	return pagetext;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPageText::~CPageText()
sl@0: 	{
sl@0: 	Reset();
sl@0: 	delete iPageTextEntryList;
sl@0: 	delete iTextFormatList;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CPageText::Reset()
sl@0: 	{
sl@0: 	if (iPageTextEntryList)
sl@0: 		iPageTextEntryList->ResetAndDestroy();
sl@0: 	if (iTextFormatList)
sl@0: 		iTextFormatList->ResetAndDestroy();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C void CPageText::AddEntryL(const TPoint& aPoint,const TFontUnderline aUnderlineStyle,const TFontStrikethrough aStrikethroughStyle,const TRgb& aColor,const CInfoFont* aFont,const TDesC& aString)
sl@0: 	{
sl@0: 	TTextFormat textformat(aUnderlineStyle,aStrikethroughStyle,aColor,aFont->CommandString(),aFont->FontSpecInTwips().iFontStyle);
sl@0: 	TInt count=iTextFormatList->Count();
sl@0: 	TTextFormat* tf;
sl@0: 	TInt i;
sl@0: 	for (i = 0; ; i++)
sl@0: 		{
sl@0: 		if (i==count)
sl@0: 			{
sl@0: 			tf=new(ELeave) TTextFormat(textformat);
sl@0: 			CleanupStack::PushL(tf);
sl@0: 			iTextFormatList->AppendL(tf);
sl@0: 			CleanupStack::Pop();
sl@0: 			break;
sl@0: 			}
sl@0: 		tf=(*iTextFormatList)[i];
sl@0: 		if (textformat==*tf)
sl@0: 			break;
sl@0: 		}
sl@0: 	HBufC8* text=aFont->TranslateStringL(aString);
sl@0: 	CleanupStack::PushL(text);
sl@0: 	CPageTextEntry* textentry=new(ELeave) CPageTextEntry(aPoint+TPoint(0,aFont->BaselineOffsetInPixels()),aFont->HeightInPixels(),aFont->MeasureText(aString),text,tf);
sl@0: 	CleanupStack::Pop();
sl@0: 
sl@0: 	i=0,count=iPageTextEntryList->Count();
sl@0: 	for (; (i<count) && (textentry->iDrawPos.iY>(*iPageTextEntryList)[i]->iDrawPos.iY); i++ )
sl@0: 		{
sl@0: 		}
sl@0: 	for (; (i<count) && (textentry->iDrawPos.iY==(*iPageTextEntryList)[i]->iDrawPos.iY) &&
sl@0: 	                    (textentry->iDrawPos.iX>(*iPageTextEntryList)[i]->iDrawPos.iX); i++)
sl@0: 		{
sl@0: 		}
sl@0: 	CleanupStack::PushL(textentry);
sl@0: 	iPageTextEntryList->InsertL(i,textentry);
sl@0: 	CleanupStack::Pop();
sl@0: 	if (textentry->iHeightInPixels>iMaxFontHeightInPixels)
sl@0: 		iMaxFontHeightInPixels=textentry->iHeightInPixels;
sl@0: 	}
sl@0: 
sl@0: EXPORT_C TInt CPageText::NumEntries()
sl@0: 	{
sl@0: 	return iPageTextEntryList->Count();
sl@0: 	}
sl@0: 
sl@0: EXPORT_C CPageTextEntry* CPageText::operator [] (TInt anIndex)
sl@0: 	{
sl@0: 	return (*iPageTextEntryList)[anIndex];
sl@0: 	}