sl@0: /*
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: * Header FNTRECRD.H
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #ifndef __FNTRECRD_H__
sl@0: #define __FNTRECRD_H__
sl@0: 
sl@0: #include "LEXICAL.H"
sl@0: #include "LST.H"
sl@0: #include "RECORD.H"
sl@0: #include "STRNG.H"
sl@0: #include "UID.H"
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: const boolean PostureUpright = 0;
sl@0: const boolean PostureItalic = 1;
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: const boolean StrokeWeightNormal = 0;
sl@0: const boolean StrokeWeightBold = 1;
sl@0: 
sl@0: class BitmapOffset
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	BitmapOffset(uint16 aBitmapOffset);
sl@0: 	void Externalize(ostream& out);
sl@0: public:
sl@0: 	uint16 iBitmapOffset;	// restricts bitmap to 64k
sl@0: 	};
sl@0: 
sl@0: class CharacterMetrics
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	CharacterMetrics();
sl@0: 	void Externalize(ostream& out);
sl@0: public:
sl@0: 	chardim iAscentInPixels;
sl@0: 	chardim iHeightInPixels;
sl@0: 	chardim iLeftAdjustInPixels;
sl@0: 	chardim iMoveInPixels;
sl@0: 	chardim iRightAdjustInPixels;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: class MetricDistributionMember
sl@0: /**
sl@0: Class which wraps up a given metric with the number of characters that use it
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	~MetricDistributionMember();
sl@0: 	MetricDistributionMember();
sl@0: public:
sl@0: 	CharacterMetrics* Metric() const;
sl@0: 	int Frequency() const;
sl@0: 	void IncrementFrequency(int aIncrementBy = 1);
sl@0: 	void SetMetric(CharacterMetrics* aMetric);
sl@0: 	void SetFrequency(int aFrequency);
sl@0: 	void Externalize(ostream& out);
sl@0: private:
sl@0: 	int iFrequency;
sl@0: 	CharacterMetrics* iMetric;
sl@0: 	};
sl@0: 
sl@0: class MetricDistribution
sl@0: /**
sl@0: Class which maintains a list of metrics and the number of characters using each,
sl@0: along with the ability to sort them into most popular first order.
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	~MetricDistribution();
sl@0: 	static MetricDistribution* New();
sl@0: public:
sl@0: 	void SortMetricsByFrequency();
sl@0: 	void SetIndex(const CharacterMetrics& aMetrics, int aIndex);
sl@0: 	int Index(const CharacterMetrics& aMetrics);
sl@0: 	void Externalize(ostream& out);
sl@0: 	void ExternalizeComponents(ostream& out);
sl@0: 	void AddOrIncrementMetric(const CharacterMetrics& aMetrics, int aFrequency = 1);
sl@0: 	const CharacterMetrics& MostPopular(int aStartIndex);
sl@0: private:
sl@0: 	MetricDistribution();
sl@0: public:
sl@0: 	ObjectList<MetricDistributionMember*> iCharacterMetricsList;
sl@0: 	streampos iStreamId;
sl@0: 	};
sl@0: 
sl@0: class Characters
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	void Externalize(ostream& out);
sl@0: 	ObjectList<BitmapOffset*> iBitmapOffsetList;
sl@0: 	~Characters();
sl@0: public:
sl@0: 	streampos iStreamId;
sl@0: 	};
sl@0: 
sl@0: class ByteList
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	ByteList();
sl@0: 	void AddBit(char aBit);
sl@0: 	void NewByte();
sl@0: 	int Length() const;
sl@0: 	void Externalize(ostream& out);
sl@0: private:
sl@0: 	String iString;
sl@0: 	char iOffset;
sl@0: 	};
sl@0: 
sl@0: class CharactersBitmap : public Record
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	void AddIndex(int aIndex);
sl@0: 	void Externalize(ostream& out);
sl@0: public:
sl@0: 	ByteList iByteList;
sl@0: 	streampos iStreamId;
sl@0: 	};
sl@0: 
sl@0: class BitmapCodeSection
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	void Externalize(ostream& out);
sl@0: 	void ExternalizeComponents(ostream& out);
sl@0: public:
sl@0: 	uint16 iStart;
sl@0: 	uint16 iEnd;
sl@0: 	Characters iCharacters;
sl@0: 	CharactersBitmap iCharactersBitmap;
sl@0: 	};	
sl@0: 
sl@0: class FontBitmap : public Record
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	FontBitmap();
sl@0: 	void Externalize(ostream& out);
sl@0: 	void ExternalizeComponents(ostream& out);
sl@0: 	~FontBitmap();
sl@0: public:
sl@0: 	uid iUid;
sl@0: 	boolean iPosture;
sl@0: 	boolean iStrokeWeight;
sl@0: 	boolean iIsProportional;
sl@0: 	chardim iCellHeightInPixels;
sl@0: 	chardim iAscentInPixels;
sl@0: 	chardim iMaxCharWidthInPixels;
sl@0: 	chardim iMaxNormalCharWidthInPixels;
sl@0: 	int32 iBitmapEncoding;
sl@0: 	ObjectList<BitmapCodeSection*> iCodeSectionList;
sl@0: 	MetricDistribution* iCharacterMetrics;
sl@0: 	};
sl@0:  
sl@0: class TypefaceFontBitmap
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	TypefaceFontBitmap(FontBitmap* aFontBitmap);
sl@0: 	TypefaceFontBitmap(uid aFontBitmapUid);
sl@0: 	void Externalize(ostream& out);	
sl@0: public:
sl@0: 	FontBitmap* iFontBitmap;
sl@0: 	uid iFontBitmapUid;
sl@0: 	char iWidthFactor;
sl@0: 	char iHeightFactor;
sl@0: 	};
sl@0: 
sl@0: class FntTypeface : public Record, public Typeface
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	void Externalize(ostream& out);
sl@0: public:
sl@0: 	ObjectList<TypefaceFontBitmap*> iTypefaceFontBitmapList;
sl@0: 	};
sl@0: 
sl@0: class FontStoreFile : public Record
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	FontStoreFile();
sl@0: 	void AddTypeface(FntTypeface* aTypeface);
sl@0: 	void AddFontBitmap(FontBitmap* aFontBitmap);
sl@0: 	void Externalize(ostream& out);
sl@0: private:
sl@0: 	void ExternalizeHeader(ostream& out);
sl@0: 	void ExternalizeComponents(ostream& out);
sl@0: public:
sl@0: 	uid iCollectionUid;
sl@0: 	int32 iKPixelAspectRatio;
sl@0: 	ObjectList<String*> iCopyrightInfo;
sl@0: private:
sl@0: 	streampos iDataStreamId;
sl@0: 	RecordList iFontBitmapList;
sl@0: 	RecordList iTypefaceList;
sl@0: 	};
sl@0: 
sl@0: class FontStore
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	boolean Store(const String& aFilename);
sl@0: 	void AddFontStoreFile(FontStoreFile* aFontStoreFile);
sl@0: 	void AddFontBitmap(FontBitmap* aFontBitmap);
sl@0: 	Record* FindFontBitmap(String& aLabel);
sl@0: 	void AddTypeface(FntTypeface* aTypeface);
sl@0: 	Record* FindTypeface(String& aLabel);
sl@0: 	FontStore();
sl@0: 	~FontStore();
sl@0: private:
sl@0: 	FontStoreFile* iFontStoreFile;
sl@0: 	RecordList iFontBitmapList;
sl@0: 	RecordList iTypefaceList;
sl@0: 	};
sl@0: 
sl@0: #endif