// 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 <banddev.h>

#include "PDRBODY.H"

#include "PDRSTD.H"

#include "pdrtext.h"

EXPORT_C CPdrResources::CPdrResources():

	iNumResources(0),

	iResourceList(NULL)

	{

	__DECLARE_NAME(_S("CPdrResources"));

	}

EXPORT_C void CPdrResources::RestoreL(CStreamStore& aStore, TStreamId aStreamId)

	{

	RStoreReadStream stream;

	stream.OpenLC(aStore, aStreamId);

	iNumResources = stream.ReadInt32L();

	iResourceList = new(ELeave) TPdrResource[iNumResources];

	for (TInt i = 0; i < iNumResources; i++)

		iResourceList[i].InternalizeL(stream);

	CleanupStack::PopAndDestroy();

	}

EXPORT_C CPdrResources::~CPdrResources()

	{

	delete[] iResourceList;

	iResourceList = NULL;

	iNumResources = 0;

	}

EXPORT_C TPtrC8 CPdrResources::ResourceString(TInt anId) const

	{

	TPtrC8 ptr;

	TPdrResource* pEnd = iResourceList + iNumResources;

	TPdrResource* p ;

	for( p = iResourceList; (p < pEnd) && (p->iId != anId); p++)

		{

		}

	if (p < pEnd)

		ptr.Set(p->iString);

	return ptr;

	}

CInfoFont::CInfoFont(TInt aBaselineOffsetInPixels, const TFontSpec& aFontSpecInTwips, TInt aFontInfoHeightInTwips, TInt aHeightInPixels, CPdrTranslates* aTranslates, const TDesC8& aCommandString, CPdrDevice* aPdrDevice):

	CFont(),

	iCommandString(aCommandString),	

	iBaselineOffsetInPixels(aBaselineOffsetInPixels),

	iFontSpecInTwips(aFontSpecInTwips),

	iFontInfoHeightInTwips(aFontInfoHeightInTwips),

	iHeightInPixels(aHeightInPixels),

	iFontInfo(NULL),

	iTranslates(aTranslates),

	iPdrDevice(aPdrDevice),

	iRealFont(NULL)

	{

	CreateBandedFontIfRequired();

	}

CInfoFont::~CInfoFont()

	{

	if (iRealFont)

		if (iPdrDevice->iControl)

			((CPdrControl*)(iPdrDevice->iControl))->BandedDevice()->ReleaseFont(iRealFont);

	}

void CInfoFont::CreateBandedFontIfRequired()

	{

	if (!iRealFont)

		{

		if (iPdrDevice->iControl)

			{

			if (((CPdrControl*)(iPdrDevice->iControl))->BandedDevice())

				((CPdrControl*)(iPdrDevice->iControl))->BandedDevice()->GetNearestFontToDesignHeightInTwips(iRealFont, iFontSpecInTwips);

			}

		}

	}

EXPORT_C TUid CInfoFont::DoTypeUid() const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	return TUid::Uid(KCInfoFontUidVal);

	}

EXPORT_C TInt CInfoFont::DoHeightInPixels() const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	return iHeightInPixels;

	}

EXPORT_C TInt CInfoFont::DoAscentInPixels() const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	return Height(iFontInfo->iAscentInPixels);

	}

EXPORT_C TInt CInfoFont::DoCharWidthInPixels(TChar aChar) const

	{

	TInt width;

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	if (RepertoireContains(aChar))

		{

		width = iFontInfo->CharWidthInPixels(TUint(aChar));

		width = Width(width);

		}

	else

		{

		if (iRealFont)

			width = iRealFont->CharWidthInPixels(TUint(aChar));

		else

			width = 0;

		}

	return width;

	}

EXPORT_C TInt CInfoFont::DoTextWidthInPixels(const TDesC &aText) const

	{

	TMeasureTextOutput output;

	TInt advance_width = MeasureText(aText,NULL,&output);

	return Max(advance_width,output.iBounds.Width());

	}

EXPORT_C TInt CInfoFont::DoBaselineOffsetInPixels() const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	return iBaselineOffsetInPixels;

	}

EXPORT_C TInt CInfoFont::DoTextCount(const TDesC &aText, TInt aWidthInPixels) const

	{

	TInt count = 0;

	TInt width = 0;

	TInt length = aText.Length();

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	for (count = 0; (count < length) && ((width += MeasureText(aText.Mid(count, 1))) < aWidthInPixels); )

		{

		count++;

		}

	return count;

	}

EXPORT_C TInt CInfoFont::DoTextCount(const TDesC &aText, TInt aWidthInPixels, TInt &aExcessWidthInPixels) const

	{

	TInt count = TextCount(aText, aWidthInPixels);

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	aExcessWidthInPixels = aWidthInPixels - MeasureText(aText.Left(count));

	return count;

	}

EXPORT_C TInt CInfoFont::DoMaxCharWidthInPixels() const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	TInt width = Width(iFontInfo->iMaxCharWidthInPixels);

	if (iRealFont)

		return Max(iRealFont->MaxCharWidthInPixels(),width);

	return width;

	}

EXPORT_C TInt CInfoFont::DoMaxNormalCharWidthInPixels() const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	TInt width = Width(iFontInfo->iMaxNormalCharWidthInPixels);

	if (iRealFont)

		return Max(iRealFont->MaxNormalCharWidthInPixels(),width);

	return width;

	}

EXPORT_C TFontSpec CInfoFont::DoFontSpecInTwips() const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	return iFontSpecInTwips;	

	}

EXPORT_C HBufC8* CInfoFont::TranslateStringL(const TDesC& aString) const  

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	return iTranslates->TranslateStringL(aString);

	}

EXPORT_C TPtrC8 CInfoFont::CommandString() const

	{

	TPtrC8 ptr;

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	ptr.Set(iCommandString);

	return ptr;

	}

EXPORT_C TBool CInfoFont::RepertoireContains(TChar aChar) const

	{

	CFontInfo* fontInfo = FontInfo();

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	for (TInt i = 0; i < fontInfo->NumCodeSections(); i++)

		{

		if (((TInt)(TUint)aChar >= fontInfo->CodeSection(i).iStart) && ((TInt)(TUint)aChar<= fontInfo->CodeSection(i).iEnd))

			return ETrue;

		}

	return EFalse;

	}

EXPORT_C TBool CInfoFont::AllCharsInFontRepertoire(const TDesC& aString, TInt& aFirstCharNotInRepertoire, TInt& aLength) const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	for (aFirstCharNotInRepertoire = 0; aFirstCharNotInRepertoire < aString.Length(); aFirstCharNotInRepertoire++)

		if (!(RepertoireContains(aString[aFirstCharNotInRepertoire])))

			{

			if (aFirstCharNotInRepertoire == 0)

				{	// Work out length

				for (aLength = aFirstCharNotInRepertoire; aLength < aString.Length(); aLength++)

					if ((RepertoireContains(aString[aLength])))

						break;

				}

			return EFalse;

			}

	return ETrue;

	}

CFont* CInfoFont::RealFont() const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	return iRealFont;

	}

TInt CInfoFont::Width(TInt aNum) const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	return (aNum * iFontSpecInTwips.iHeight + (iFontInfoHeightInTwips / 2)) / iFontInfoHeightInTwips;

	}

TInt CInfoFont::Height(TInt aNum) const

	{

	CONST_CAST(CInfoFont*,this)->CreateBandedFontIfRequired();

	return (aNum * iFontSpecInTwips.iHeight + (iFontInfoHeightInTwips / 2)) / iFontInfoHeightInTwips;

	}

EXPORT_C void TTypefaceFontsEntry::InternalizeL(RReadStream& aStream)

	{

	aStream >> iStreamId;

	iNotInPortrait = aStream.ReadUint8L();

	iNotInLandscape = aStream.ReadUint8L();

	}

EXPORT_C CPdrModelInfo::CPdrModelInfo():

	iFlags(0),

	iKPixelWidthInTwips(0),

	iKPixelHeightInTwips(0),

	iPortraitOffsetInPixels(),

	iLandscapeOffsetInPixels(),

//	iMinMarginsInPixels(),

	iDisplayMode(EGray2),

	iNumTypefaceFonts(0),

	iTypefaceFontsEntryList(NULL),

	iResourcesStreamId(KNullStreamId),

	iSpareStreamId(KNullStreamId)

	{

	__DECLARE_NAME(_S("CPdrModelInfo"));

	}

EXPORT_C CPdrModelInfo::~CPdrModelInfo()

	{

	delete[] iTypefaceFontsEntryList;

	}

EXPORT_C void CPdrModelInfo::InternalizeL(RReadStream& aStream)

	{

	TInt pdrtranversion = aStream.ReadInt32L();

	if (pdrtranversion < KPdrtranVersion)

		User::Leave(KErrNotSupported);

	iFlags = aStream.ReadInt32L();

	iKPixelWidthInTwips = aStream.ReadInt32L();

	iKPixelHeightInTwips = aStream.ReadInt32L();

	iPortraitOffsetInPixels.iX = aStream.ReadInt32L();

	iPortraitOffsetInPixels.iY = aStream.ReadInt32L();

	iLandscapeOffsetInPixels.iX = aStream.ReadInt32L();

	iLandscapeOffsetInPixels.iY = aStream.ReadInt32L();

	iMinMarginsInPixels.InternalizeL(aStream);

	iDisplayMode = (TDisplayMode)aStream.ReadInt32L();

	iNumTypefaceFonts = aStream.ReadInt32L();

	iTypefaceFontsEntryList = new(ELeave) TTypefaceFontsEntry[iNumTypefaceFonts];

	TTypefaceFontsEntry* pEnd = iTypefaceFontsEntryList+iNumTypefaceFonts;

	for(TTypefaceFontsEntry* p = iTypefaceFontsEntryList; p < pEnd; p++)

		p->InternalizeL(aStream);

	aStream >> iResourcesStreamId; 

	aStream >> iSpareStreamId; 

	}

CPdrTypefaceStore::CPdrTypefaceStore(CStreamStore& aStore, TInt aKPixelHeightInTwips, CPdrDevice* aPdrDevice):

	iPdrDevice(aPdrDevice),

	iStore(&aStore),

	iKPixelHeightInTwips(aKPixelHeightInTwips)

	{

	}

void CPdrTypefaceStore::ConstructL(TInt aNumTypefaceFonts, TTypefaceFontsEntry* aTypefaceFontsEntryList, TPageSpec::TPageOrientation aPageOrientation)

	{

	CTypefaceStore::ConstructL();

	iTranslatesList = new(ELeave) CArrayPtrFlat<CPdrTranslates>(8);

	iTypefaceFontsList = new(ELeave) CArrayPtrFlat<CTypefaceFonts>(8);

	iPortraitTypefaceFontsList = new(ELeave) CArrayPtrFlat<CTypefaceFonts>(8);

	iLandscapeTypefaceFontsList = new(ELeave) CArrayPtrFlat<CTypefaceFonts>(8);

	iFontInfoList = new(ELeave) CArrayPtrFlat<CFontInfo>(8);

	for (TInt i = 0; i < aNumTypefaceFonts; i++)

		{

		CTypefaceFonts* typefacefonts = new(ELeave) CTypefaceFonts;

		CleanupStack::PushL(typefacefonts);

		RStoreReadStream stream;

		stream.OpenLC(*iStore, aTypefaceFontsEntryList[i].iStreamId);

		typefacefonts->InternalizeL(stream);

		CleanupStack::PopAndDestroy();

		iTypefaceFontsList->AppendL(typefacefonts);

		CleanupStack::Pop();

		typefacefonts->iTranslates=TranslatesL(typefacefonts->iTranslates.AsId());

		if (!aTypefaceFontsEntryList[i].iNotInPortrait)

			iPortraitTypefaceFontsList->AppendL(typefacefonts);

		if (!aTypefaceFontsEntryList[i].iNotInLandscape)

			iLandscapeTypefaceFontsList->AppendL(typefacefonts);

		}

	SetPageOrientation(aPageOrientation);

	}

EXPORT_C CPdrTypefaceStore* CPdrTypefaceStore::NewL(CStreamStore& aStore, TInt aNumTypefacesFonts, TTypefaceFontsEntry* aTypefaceFontsEntryList, TPageSpec::TPageOrientation aPageOrientation, TInt aKPixelHeightInTwips, CPdrDevice* aPdrDevice)

	{

	CPdrTypefaceStore* typefacestore = new(ELeave) CPdrTypefaceStore(aStore, aKPixelHeightInTwips, aPdrDevice);

	CleanupStack::PushL(typefacestore);

	typefacestore->ConstructL(aNumTypefacesFonts, aTypefaceFontsEntryList, aPageOrientation);

	CleanupStack::Pop();

	return typefacestore;

	}

EXPORT_C CPdrTypefaceStore::~CPdrTypefaceStore()

	{

	if (iTranslatesList)

		iTranslatesList->ResetAndDestroy();

	delete iTranslatesList;

	if (iTypefaceFontsList)

		iTypefaceFontsList->ResetAndDestroy();

	delete iTypefaceFontsList;

	delete iPortraitTypefaceFontsList;

	delete iLandscapeTypefaceFontsList;

	if (iFontInfoList)

		iFontInfoList->ResetAndDestroy();

	delete iFontInfoList;

	}

/**

@internalTechnology

*/

EXPORT_C TInt CPdrTypefaceStore::GetNearestFontInTwips(CFont*& aFont, const TFontSpec& aFontSpec)

	{

	return GetNearestFontToDesignHeightInTwips(aFont, aFontSpec);

	}

/**

@internalTechnology

*/

EXPORT_C TInt CPdrTypefaceStore::GetNearestFontToDesignHeightInTwips(CFont*& aFont, const TFontSpec& aFontSpec)

	{

	aFont = NULL;

	const TInt count = iCurrentTypefaceFontsList->Count();

	if (count)

		{

		TInt index = 0;

		TTypeface typeface = aFontSpec.iTypeface;

		for (index = 0; (index < count) && typeface.iName.CompareF((*iCurrentTypefaceFontsList)[index]->Typeface().iName); index++)

			{ // tries matching typeface name

			}

		if (index == count)

			{

			if (!typeface.IsSymbol())

				{

				for (index = 0; (index < count) && (((*iCurrentTypefaceFontsList)[index]->Typeface().IsSymbol()) ||

													(typeface.IsProportional() != (*iCurrentTypefaceFontsList)[index]->Typeface().IsProportional()) || 

													(typeface.IsSerif() != (*iCurrentTypefaceFontsList)[index]->Typeface().IsSerif())); index++)

					{ // tries matching typeface flags

					}

				if (index == count)

					for (index = 0; (index < count) && (((*iCurrentTypefaceFontsList)[index]->Typeface().IsSymbol()) ||

														(typeface.IsProportional() != (*iCurrentTypefaceFontsList)[index]->Typeface().IsProportional())); index++)

						{ // tries matching typeface flag

						}

				if (index == count)

					for (index = 0; (index < count) && ((*iCurrentTypefaceFontsList)[index]->Typeface().IsSymbol()); index++)

						{ // tries matching typeface flag

						}

				}

			else

				{

				for (index = 0; (index < count) && (!(*iCurrentTypefaceFontsList)[index]->Typeface().IsSymbol()); index++)

					{ // finds first symbol typeface

					}

				}

			}

		if (index == count)

			index = 0;

		CTypefaceFonts* typefacefonts = (*iCurrentTypefaceFontsList)[index];

		if (typefacefonts->NumFontHeights())

			{

			TFontSpec fontspec(aFontSpec);

			fontspec.iTypeface = typefacefonts->Typeface();

			TInt i = GetNearestFontHeightIndex(index, aFontSpec.iHeight);

			fontspec.iHeight = typefacefonts->FontHeightInTwips(i);

			if (fontspec.iFontStyle.PrintPosition() != EPrintPosNormal)

				{

				i = GetNearestFontHeightIndex(index, SuperSubHeight(fontspec.iHeight, fontspec.iFontStyle.PrintPosition()));

				}

			fontspec.iFontStyle = GetNearestFontStyle(index, i, fontspec.iFontStyle);

			TInt heightintwips = typefacefonts->FontHeightInTwips(i);

			TInt height = VerticalTwipsToPixels(heightintwips);

			if (IsFontLoaded(aFont, fontspec, height))

				return KErrNone;

			TInt baselineoffset = BaselineOffset(VerticalTwipsToPixels(fontspec.iHeight), fontspec.iFontStyle.PrintPosition());

			TInt fontinfoheight = ((fontspec.iHeight * typefacefonts->FontInfoHeightInTwips(i) + (heightintwips / 2))) / heightintwips;

			CPdrTranslates* translates = typefacefonts->iTranslates;

			TCommandString commandstring;

			typefacefonts->CommandString(commandstring, i);

			TStreamId fontinfostreamid = typefacefonts->Style(i, fontspec.iFontStyle)->iFontInfoStreamId;

			TRAPD(ret, aFont = NewFontL(baselineoffset, fontspec, fontinfoheight, height, translates, commandstring, fontinfostreamid));

			return ret;

			}

		}

	return KErrNotFound;

	}

/**

@internalTechnology

*/

EXPORT_C TInt CPdrTypefaceStore::GetNearestFontToMaxHeightInTwips(CFont*& /*aFont*/, const TFontSpec& /*aFontSpec*/, TInt /* aMaxHeight */)

	{

	return KErrNotSupported;

	}

EXPORT_C TInt CPdrTypefaceStore::NumTypefaces() const

	{

	return iCurrentTypefaceFontsList->Count();

	}

EXPORT_C TInt CPdrTypefaceStore::FontHeightInTwips(TInt aTypefaceIndex, TInt aHeightIndex) const

	{

	TInt height = 0;

	__ASSERT_DEBUG((aTypefaceIndex >= 0) && (aTypefaceIndex < NumTypefaces()), Panic(EPdrHeightIndexOutOfRange));

	CTypefaceFonts* typefacefonts = (*iCurrentTypefaceFontsList)[aTypefaceIndex];

	height = typefacefonts->FontHeightInTwips(aHeightIndex);

	return height;

	}

EXPORT_C void CPdrTypefaceStore::TypefaceSupport(TTypefaceSupport &aTypefaceSupport, TInt aTypefaceIndex) const

	{

	__ASSERT_DEBUG((aTypefaceIndex >= 0) && (aTypefaceIndex < NumTypefaces()), Panic(EPdrHeightIndexOutOfRange));

	CTypefaceFonts* typefacefonts = (*iCurrentTypefaceFontsList)[aTypefaceIndex];

	aTypefaceSupport.iTypeface = typefacefonts->Typeface();

	aTypefaceSupport.iIsScalable = typefacefonts->IsScalable();

	aTypefaceSupport.iNumHeights = typefacefonts->NumFontHeights();

	aTypefaceSupport.iMinHeightInTwips = FontHeightInTwips(aTypefaceIndex, 0);  // Font heights must be in ascending order

	aTypefaceSupport.iMaxHeightInTwips = FontHeightInTwips(aTypefaceIndex, aTypefaceSupport.iNumHeights - 1);

	}

EXPORT_C void CPdrTypefaceStore::SetPageOrientation(TPageSpec::TPageOrientation aPageOrientation)

	{

	if (aPageOrientation == TPageSpec::EPortrait)

		iCurrentTypefaceFontsList = iPortraitTypefaceFontsList;

	else

		iCurrentTypefaceFontsList = iLandscapeTypefaceFontsList;

	}

CFontInfo* CPdrTypefaceStore::FontInfoL(TStreamId aStreamId) const

	{

	CFontInfo* fontinfo;

	TInt i;

	const TInt count = iFontInfoList->Count();

	for (i = 0; (i < count) && ((*iFontInfoList)[i]->iStreamId != aStreamId); i++)

		{  // Searches for FontInfo with same Id

		}

	if (i < count)  // Found

		fontinfo = (*iFontInfoList)[i];

	else			// Not found

		{

		RStoreReadStream stream;

		fontinfo = new(ELeave) CFontInfo(aStreamId);

		CleanupStack::PushL(fontinfo);

		stream.OpenLC(*iStore, aStreamId);

		fontinfo->InternalizeL(stream);

		CleanupStack::PopAndDestroy();

		iFontInfoList->AppendL(fontinfo);

		CleanupStack::Pop();

		}

	return fontinfo;

	}

CPdrTranslates* CPdrTypefaceStore::TranslatesL(TStreamId aStreamId) const

	{

	CPdrTranslates* translates;

	TInt i;

	const TInt count = iTranslatesList->Count();

	for (i = 0; (i < count) && ((*iTranslatesList)[i]->iStreamId != aStreamId); i++)

		{  // Searches for Translate with same Id

		}

	if (i < count)  // Found

		translates = (*iTranslatesList)[i];

	else			// Not found

		{

		RStoreReadStream stream;

		translates = new(ELeave) CPdrTranslates;

		CleanupStack::PushL(translates);

		translates->iStreamId = aStreamId;

		stream.OpenLC(*iStore, aStreamId);

		translates->InternalizeL(stream);

		CleanupStack::PopAndDestroy();

		iTranslatesList->AppendL(translates);

		CleanupStack::Pop();

		}

	return translates;

	}

TInt CPdrTypefaceStore::GetNearestFontHeightIndex(TInt aTypefaceIndex, TInt aHeightInTwips) const

	{