--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graphicstools/bitmapfonttools/src/FNTRECRD.CPP	Tue Feb 02 01:47:50 2010 +0200
@@ -0,0 +1,523 @@
+/*
+* 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: 
+* Header FNTRECRD.CPP
+*
+*/
+
+
+#include "FNTRECRD.H"
+
+const int KNumberOfPopularIndices = 128;
+const int KNumberOfBitsInByte = 8;
+const int KNumberOfBitsInTwoBytes = 16;
+
+BitmapOffset::BitmapOffset(uint16 aBitmapOffset)
+ :	iBitmapOffset(aBitmapOffset)
+	{}
+
+void BitmapOffset::Externalize(ostream& out)
+	{
+	out.write((char*) &iBitmapOffset,sizeof(iBitmapOffset));
+	}
+
+CharacterMetrics::CharacterMetrics()
+ :	iAscentInPixels(0),
+	iHeightInPixels(0),
+	iLeftAdjustInPixels(0),
+	iMoveInPixels(0),
+	iRightAdjustInPixels(0)
+	{
+	}
+
+
+void CharacterMetrics::Externalize(ostream& out)
+	{
+	out.write((char*) &iAscentInPixels, sizeof(iAscentInPixels));
+	out.write((char*) &iHeightInPixels, sizeof(iHeightInPixels));
+	out.write((char*) &iLeftAdjustInPixels, sizeof(iLeftAdjustInPixels));
+	out.write((char*) &iMoveInPixels, sizeof(iMoveInPixels));
+	out.write((char*) &iRightAdjustInPixels, sizeof(iRightAdjustInPixels));
+	}
+
+MetricDistributionMember::~MetricDistributionMember()
+	{
+	delete iMetric;
+	}
+
+MetricDistributionMember::MetricDistributionMember()
+ :	iFrequency(0), iMetric(0)
+	{}
+
+CharacterMetrics* MetricDistributionMember::Metric() const
+	{
+	return iMetric;
+	}
+
+int MetricDistributionMember::Frequency() const
+	{
+	return iFrequency;
+	}
+
+void MetricDistributionMember::SetFrequency(int aFrequency)
+	{
+	iFrequency = aFrequency;
+	}
+
+void MetricDistributionMember::IncrementFrequency(int aIncrementBy)
+	{
+	iFrequency += aIncrementBy;
+	}
+
+void MetricDistributionMember::SetMetric(CharacterMetrics* aMetric)
+	{
+	iMetric = aMetric;
+	}
+
+void MetricDistributionMember::Externalize(ostream& out)
+	{
+	iMetric->Externalize(out);
+	}
+
+MetricDistribution::~MetricDistribution()
+	{
+	iCharacterMetricsList.Destroy();
+	}
+
+MetricDistribution* MetricDistribution::New()
+	{
+	return new MetricDistribution;
+	}
+
+MetricDistribution::MetricDistribution()
+	{}
+
+void MetricDistribution::SortMetricsByFrequency()
+	{	// Only need sort the most popular 128, since after this 2 bytes will always be used
+	int maxIndex = iCharacterMetricsList.Size();
+	if (maxIndex > KNumberOfPopularIndices)
+		{
+		maxIndex = KNumberOfPopularIndices;
+		}
+	for(int indexToSet = 0; indexToSet < maxIndex; indexToSet++)
+		{
+		const CharacterMetrics& mostPopularRemaining = MostPopular(indexToSet);
+		SetIndex(mostPopularRemaining, indexToSet);
+		}
+	}
+
+void MetricDistribution::SetIndex(const CharacterMetrics& aMetrics, int aIndexToSet)
+	{
+	int currentPos = Index(aMetrics);
+	if (currentPos != aIndexToSet)
+		{
+		MetricDistributionMember* match = iCharacterMetricsList[currentPos];
+		MetricDistributionMember* swapPos = iCharacterMetricsList[aIndexToSet];
+
+		CharacterMetrics* tempMet = match->Metric();
+		const int tempFreq = match->Frequency();
+
+		match->SetMetric(swapPos->Metric());
+		match->SetFrequency(swapPos->Frequency());
+		swapPos->SetMetric(tempMet);
+		swapPos->SetFrequency(tempFreq);
+		}
+	}
+
+void MetricDistribution::AddOrIncrementMetric(const CharacterMetrics& aMetrics, int aFrequency)
+	{
+	boolean match = false;
+	const CharacterMetrics* trial = NULL;
+	MetricDistributionMember* link = NULL;
+	int index;
+	int maxIndex = iCharacterMetricsList.Size();
+	
+	for(index = 0; index < maxIndex && !match; index++)
+		{
+		link = iCharacterMetricsList[index];
+		if (link)
+			trial = link->Metric();
+		if (trial && (trial->iAscentInPixels == aMetrics.iAscentInPixels)
+			&& (trial->iHeightInPixels == aMetrics.iHeightInPixels)
+			&& (trial->iLeftAdjustInPixels == aMetrics.iLeftAdjustInPixels)
+			&& (trial->iMoveInPixels == aMetrics.iMoveInPixels)
+			&& (trial->iRightAdjustInPixels == aMetrics.iRightAdjustInPixels))
+			{
+			match = true;
+			}
+		}
+	if (match)
+		{
+		link->IncrementFrequency(aFrequency);
+		}
+	else
+		{
+		MetricDistributionMember* newLink = new MetricDistributionMember;
+		newLink->IncrementFrequency(aFrequency);
+		CharacterMetrics* newMetric = new CharacterMetrics(aMetrics);
+		newLink->SetMetric(newMetric);
+		iCharacterMetricsList.Add(newLink);
+		}
+	}
+
+const CharacterMetrics& MetricDistribution::MostPopular(int aStartIndex)
+	{
+	// finds the most popular metric above index aStartIndex. Allows for a fairly quick sort of the metircs to be done.
+	MetricDistributionMember* link = NULL;
+	const CharacterMetrics* mostPopular = NULL;
+	int frequencyOfMostPopular = 0;
+	int frequency = 0;
+	int count;
+	int total = 0; // for debugging
+	const int size = iCharacterMetricsList.Size();
+	for (count = aStartIndex; count < size; count++)
+		{
+		link = iCharacterMetricsList[count];
+		frequency = link->Frequency();
+		if (frequency>frequencyOfMostPopular)
+			{
+			mostPopular = link->Metric();
+			frequencyOfMostPopular = frequency;
+			}
+		total += frequency;
+		}
+	return *mostPopular;
+	}
+
+int MetricDistribution::Index(const CharacterMetrics& aMetrics)
+	{
+	boolean same = false;
+	CharacterMetrics* match = NULL;
+	int i;
+	int size = iCharacterMetricsList.Size();
+	// see if we have this one already
+	for (i = 0; i < size; i++)
+		{
+		if (iCharacterMetricsList[i])
+			{
+			match = iCharacterMetricsList[i]->Metric();
+			}
+		if ((match->iAscentInPixels == aMetrics.iAscentInPixels)
+			&& (match->iHeightInPixels == aMetrics.iHeightInPixels)
+			&& (match->iLeftAdjustInPixels == aMetrics.iLeftAdjustInPixels)
+			&& (match->iMoveInPixels == aMetrics.iMoveInPixels)
+			&& (match->iRightAdjustInPixels == aMetrics.iRightAdjustInPixels))
+			{
+			same = true;
+			break;
+			}
+		}
+	if (!same)
+		{
+		i = -1;	// not found
+		}
+	return i;
+	}
+
+void MetricDistribution::Externalize(ostream& out)
+	{
+	streamoff idOffset = iStreamId;
+	out.write(reinterpret_cast<char*>(&idOffset), sizeof(idOffset));
+	int32 numMetrics = iCharacterMetricsList.Size();
+	out.write(reinterpret_cast<char*>(&numMetrics), sizeof(numMetrics));
+	}
+
+void MetricDistribution::ExternalizeComponents(ostream& out)
+	{
+	iStreamId = out.tellp();
+	iCharacterMetricsList.Externalize(out);
+	}
+
+void Characters::Externalize(ostream& out)
+	{
+	iStreamId = out.tellp();
+	iBitmapOffsetList.Externalize(out);
+	}
+
+Characters::~Characters()
+	{
+	iBitmapOffsetList.Destroy();
+	}
+
+ByteList::ByteList()
+ :	iString(), iOffset(0)
+	{
+	}
+
+void ByteList::AddBit(char aBit)
+	{
+	if (iOffset > 7)
+		NewByte();
+	const char mask = 1;
+	aBit = char(aBit & mask);
+	char byte = char(aBit << iOffset);
+	int index = iString.Length() - 1;
+	iString[index] = char(iString[index] | byte);
+	iOffset++;
+	}
+
+void ByteList::NewByte()
+	{
+	char byte = 0;
+	iString += byte;
+	iOffset = 0;
+	}
+
+int ByteList::Length() const
+	{
+	return iString.Length();
+	}
+
+void ByteList::Externalize(ostream& out)
+	{
+	int32 length = iString.Length();
+	out.write((char*) &length, sizeof(length));
+	out.write(iString.Text(), length);
+	}
+
+void CharactersBitmap::Externalize(ostream& out)
+	{
+	iStreamId = out.tellp();
+	iByteList.Externalize(out);
+	}
+
+void CharactersBitmap::AddIndex(int aIndex)
+	{// Add index to metrics into the bitmap code section
+	 // Use 1 byte for most popular indices, 2 bytes otherwise
+	int power;
+	if (aIndex < KNumberOfPopularIndices)
+		{
+		iByteList.AddBit(0);
+		power = KNumberOfBitsInByte - 1;
+		}
+	else
+		{
+		iByteList.AddBit(1);
+		power = KNumberOfBitsInTwoBytes - 1;
+		}
+
+	char sigBit = 0;
+	// Add significant bits of index.
+	for(int bitToAdd = 0; bitToAdd < power; bitToAdd++)
+		{
+		sigBit = char(aIndex >> bitToAdd);
+		iByteList.AddBit(sigBit);
+		}
+	}
+
+void BitmapCodeSection::Externalize(ostream& out)
+	{
+	out.write((char*) &iStart, sizeof(iStart));
+	out.write((char*) &iEnd, sizeof(iEnd));
+	streamoff idOffset = iCharacters.iStreamId;
+	out.write(reinterpret_cast<char*>(&idOffset), sizeof(idOffset));
+	idOffset = iCharactersBitmap.iStreamId;
+	out.write(reinterpret_cast<char*>(&idOffset), sizeof(idOffset));
+	}
+	
+void BitmapCodeSection::ExternalizeComponents(ostream& out)
+	{
+	iCharacters.Externalize(out);
+	iCharactersBitmap.Externalize(out);
+	}
+	
+FontBitmap::FontBitmap()
+ :	iPosture(PostureUpright),
+	iStrokeWeight(StrokeWeightNormal),
+	iIsProportional(efalse),
+	iCellHeightInPixels(0),
+	iAscentInPixels(0),
+	iMaxCharWidthInPixels(0),
+	iMaxNormalCharWidthInPixels(0),
+	iBitmapEncoding(0)
+	{
+	iCharacterMetrics = MetricDistribution::New();
+	}
+
+void FontBitmap::Externalize(ostream& out)
+	{
+	iStreamId = out.tellp();
+	out.write((char*) &iUid, sizeof(iUid));
+	out.put((char) iPosture);
+	out.put((char) iStrokeWeight);
+	out.put((char) iIsProportional);
+	out.write((char*) &iCellHeightInPixels, sizeof(iCellHeightInPixels));
+	out.write((char*) &iAscentInPixels, sizeof(iAscentInPixels));
+	out.write((char*) &iMaxCharWidthInPixels, sizeof(iMaxCharWidthInPixels));
+	out.write((char*) &iMaxNormalCharWidthInPixels, sizeof(iMaxNormalCharWidthInPixels));
+	out.write((char*) &iBitmapEncoding, sizeof(iBitmapEncoding));
+	iCharacterMetrics->Externalize(out);
+	iCodeSectionList.Externalize(out);
+	}
+
+void FontBitmap::ExternalizeComponents(ostream& out)
+	{
+	// write out characters and chactersbitmap records
+	iCharacterMetrics->ExternalizeComponents(out);
+	int size = iCodeSectionList.Size();
+	for (int i = 0; i < size; i++)
+		{
+		iCodeSectionList[i]->ExternalizeComponents(out);
+		}
+	}
+
+FontBitmap::~FontBitmap()
+	{
+	iCodeSectionList.Destroy();
+	delete iCharacterMetrics;
+	}
+
+TypefaceFontBitmap::TypefaceFontBitmap(FontBitmap* aFontBitmap)
+ :	iFontBitmap(aFontBitmap),
+	iFontBitmapUid(KNullUid),
+	iWidthFactor(1),
+	iHeightFactor(1)
+	{
+	}
+
+TypefaceFontBitmap::TypefaceFontBitmap(uid aFontBitmapUid)
+ :	iFontBitmap(NULL),
+	iFontBitmapUid(aFontBitmapUid),
+	iWidthFactor(1),
+	iHeightFactor(1)
+	{
+	}
+
+void TypefaceFontBitmap::Externalize(ostream& out)
+	{
+	if (iFontBitmap)
+		out.write((char*) &iFontBitmap->iUid, sizeof(iFontBitmap->iUid));
+	else
+		out.write((char*) &iFontBitmapUid, sizeof(iFontBitmapUid));
+	out.write((char*) &iWidthFactor, sizeof(iWidthFactor));
+	out.write((char*) &iHeightFactor, sizeof(iHeightFactor));
+	}
+
+void FntTypeface::Externalize(ostream& out)
+	{
+	iStreamId = out.tellp();
+	Typeface::Externalize(out);
+	iTypefaceFontBitmapList.Externalize(out);
+	}
+
+FontStoreFile::FontStoreFile()
+ :	iCollectionUid(KNullUid),
+	iKPixelAspectRatio(1000),
+	iCopyrightInfo(),
+	iDataStreamId(0)
+	{
+	}
+
+void FontStoreFile::AddTypeface(FntTypeface *aTypeface)
+	{
+	iTypefaceList.Add(aTypeface);
+	for (int i = 0; i < aTypeface->iTypefaceFontBitmapList.Size(); i++)
+		{
+		if (aTypeface->iTypefaceFontBitmapList[i]->iFontBitmap)
+			iFontBitmapList.Add(aTypeface->iTypefaceFontBitmapList[i]->iFontBitmap);
+		}
+	}
+
+void FontStoreFile::AddFontBitmap(FontBitmap* aFontBitmap)
+	{
+	iFontBitmapList.Add(aFontBitmap);
+	}
+
+void FontStoreFile::Externalize(ostream& out)
+	{
+	ExternalizeHeader(out);
+	ExternalizeComponents(out);
+	}
+
+void FontStoreFile::ExternalizeHeader(ostream& out)
+	{
+	out.write((char*) &KStoreWriteOnceLayoutUid, sizeof(KStoreWriteOnceLayoutUid));
+	out.write((char*) &KFontStoreFileUid, sizeof(KFontStoreFileUid));
+	out.write((char*) &KNullUid, sizeof(KNullUid));
+	out.write((char*) &KFontStoreFileChecksum, sizeof(KFontStoreFileChecksum));
+	streamoff idOffset = iStreamId;
+	out.write(reinterpret_cast<char*>(&idOffset), sizeof(idOffset));
+	iStreamId = out.tellp();
+	out.write((char*) &KFnttranVersion, sizeof(KFnttranVersion));
+	out.write((char*) &iCollectionUid, sizeof(iCollectionUid));
+	out.write((char*) &iKPixelAspectRatio, sizeof(iKPixelAspectRatio));
+	idOffset = iDataStreamId;
+	out.write(reinterpret_cast<char*>(&idOffset), sizeof(idOffset));
+	iCopyrightInfo.Externalize(out);
+	}
+
+void FontStoreFile::ExternalizeComponents(ostream& out)
+	{
+	iDataStreamId = out.tellp();
+	iFontBitmapList.Externalize(out);
+	iTypefaceList.Externalize(out);
+	iFontBitmapList.ExternalizeComponents(out);
+	}
+
+boolean FontStore::Store(const String& aFilename)
+	{
+	boolean state = efalse;
+	ofstream fout;
+	String string = aFilename;
+	fout.open(string.Text(), ios::binary);
+	if (!fout.fail())
+		{
+		iFontStoreFile->Externalize(fout);
+		fout.close();
+		fout.open(string.Text(), ios::binary | ios::trunc);
+		iFontStoreFile->Externalize(fout);
+		fout.close();
+		state = etrue;
+		}
+	return state;
+	}
+
+void FontStore::AddFontStoreFile(FontStoreFile* aFontStoreFile)
+	{
+	iFontStoreFile = aFontStoreFile;
+	}
+
+void FontStore::AddFontBitmap(FontBitmap *aFontBitmap)
+	{
+	iFontBitmapList.Add(aFontBitmap);
+	}
+
+Record* FontStore::FindFontBitmap(String& aLabel)
+	{
+	return iFontBitmapList.LabelToRecord(aLabel);
+	}
+
+void FontStore::AddTypeface(FntTypeface *aTypeface)
+	{
+	iTypefaceList.Add(aTypeface);
+	}
+
+Record* FontStore::FindTypeface(String& aLabel)
+	{
+	return iTypefaceList.LabelToRecord(aLabel);
+	}
+
+FontStore::FontStore()
+ :	iFontStoreFile(NULL),
+	iFontBitmapList(),
+	iTypefaceList()
+	{
+	}
+
+FontStore::~FontStore()
+	{
+	delete iFontStoreFile;
+	iFontBitmapList.Destroy();
+	iTypefaceList.Destroy();
+	}