1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/graphicstools/bitmapfonttools/inc/FNTRECRD.H Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,265 @@
1.4 +/*
1.5 +* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
1.6 +* All rights reserved.
1.7 +* This component and the accompanying materials are made available
1.8 +* under the terms of "Eclipse Public License v1.0"
1.9 +* which accompanies this distribution, and is available
1.10 +* at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.11 +*
1.12 +* Initial Contributors:
1.13 +* Nokia Corporation - initial contribution.
1.14 +*
1.15 +* Contributors:
1.16 +*
1.17 +* Description:
1.18 +* Header FNTRECRD.H
1.19 +*
1.20 +*/
1.21 +
1.22 +
1.23 +#ifndef __FNTRECRD_H__
1.24 +#define __FNTRECRD_H__
1.25 +
1.26 +#include "LEXICAL.H"
1.27 +#include "LST.H"
1.28 +#include "RECORD.H"
1.29 +#include "STRNG.H"
1.30 +#include "UID.H"
1.31 +/**
1.32 +@internalComponent
1.33 +*/
1.34 +const boolean PostureUpright = 0;
1.35 +const boolean PostureItalic = 1;
1.36 +/**
1.37 +@internalComponent
1.38 +*/
1.39 +const boolean StrokeWeightNormal = 0;
1.40 +const boolean StrokeWeightBold = 1;
1.41 +
1.42 +class BitmapOffset
1.43 +/**
1.44 +@internalComponent
1.45 +*/
1.46 + {
1.47 +public:
1.48 + BitmapOffset(uint16 aBitmapOffset);
1.49 + void Externalize(ostream& out);
1.50 +public:
1.51 + uint16 iBitmapOffset; // restricts bitmap to 64k
1.52 + };
1.53 +
1.54 +class CharacterMetrics
1.55 +/**
1.56 +@internalComponent
1.57 +*/
1.58 + {
1.59 +public:
1.60 + CharacterMetrics();
1.61 + void Externalize(ostream& out);
1.62 +public:
1.63 + chardim iAscentInPixels;
1.64 + chardim iHeightInPixels;
1.65 + chardim iLeftAdjustInPixels;
1.66 + chardim iMoveInPixels;
1.67 + chardim iRightAdjustInPixels;
1.68 + };
1.69 +
1.70 +
1.71 +class MetricDistributionMember
1.72 +/**
1.73 +Class which wraps up a given metric with the number of characters that use it
1.74 +@internalComponent
1.75 +*/
1.76 + {
1.77 +public:
1.78 + ~MetricDistributionMember();
1.79 + MetricDistributionMember();
1.80 +public:
1.81 + CharacterMetrics* Metric() const;
1.82 + int Frequency() const;
1.83 + void IncrementFrequency(int aIncrementBy = 1);
1.84 + void SetMetric(CharacterMetrics* aMetric);
1.85 + void SetFrequency(int aFrequency);
1.86 + void Externalize(ostream& out);
1.87 +private:
1.88 + int iFrequency;
1.89 + CharacterMetrics* iMetric;
1.90 + };
1.91 +
1.92 +class MetricDistribution
1.93 +/**
1.94 +Class which maintains a list of metrics and the number of characters using each,
1.95 +along with the ability to sort them into most popular first order.
1.96 +@internalComponent
1.97 +*/
1.98 + {
1.99 +public:
1.100 + ~MetricDistribution();
1.101 + static MetricDistribution* New();
1.102 +public:
1.103 + void SortMetricsByFrequency();
1.104 + void SetIndex(const CharacterMetrics& aMetrics, int aIndex);
1.105 + int Index(const CharacterMetrics& aMetrics);
1.106 + void Externalize(ostream& out);
1.107 + void ExternalizeComponents(ostream& out);
1.108 + void AddOrIncrementMetric(const CharacterMetrics& aMetrics, int aFrequency = 1);
1.109 + const CharacterMetrics& MostPopular(int aStartIndex);
1.110 +private:
1.111 + MetricDistribution();
1.112 +public:
1.113 + ObjectList<MetricDistributionMember*> iCharacterMetricsList;
1.114 + streampos iStreamId;
1.115 + };
1.116 +
1.117 +class Characters
1.118 +/**
1.119 +@internalComponent
1.120 +*/
1.121 + {
1.122 +public:
1.123 + void Externalize(ostream& out);
1.124 + ObjectList<BitmapOffset*> iBitmapOffsetList;
1.125 + ~Characters();
1.126 +public:
1.127 + streampos iStreamId;
1.128 + };
1.129 +
1.130 +class ByteList
1.131 +/**
1.132 +@internalComponent
1.133 +*/
1.134 + {
1.135 +public:
1.136 + ByteList();
1.137 + void AddBit(char aBit);
1.138 + void NewByte();
1.139 + int Length() const;
1.140 + void Externalize(ostream& out);
1.141 +private:
1.142 + String iString;
1.143 + char iOffset;
1.144 + };
1.145 +
1.146 +class CharactersBitmap : public Record
1.147 +/**
1.148 +@internalComponent
1.149 +*/
1.150 + {
1.151 +public:
1.152 + void AddIndex(int aIndex);
1.153 + void Externalize(ostream& out);
1.154 +public:
1.155 + ByteList iByteList;
1.156 + streampos iStreamId;
1.157 + };
1.158 +
1.159 +class BitmapCodeSection
1.160 +/**
1.161 +@internalComponent
1.162 +*/
1.163 + {
1.164 +public:
1.165 + void Externalize(ostream& out);
1.166 + void ExternalizeComponents(ostream& out);
1.167 +public:
1.168 + uint16 iStart;
1.169 + uint16 iEnd;
1.170 + Characters iCharacters;
1.171 + CharactersBitmap iCharactersBitmap;
1.172 + };
1.173 +
1.174 +class FontBitmap : public Record
1.175 +/**
1.176 +@internalComponent
1.177 +*/
1.178 + {
1.179 +public:
1.180 + FontBitmap();
1.181 + void Externalize(ostream& out);
1.182 + void ExternalizeComponents(ostream& out);
1.183 + ~FontBitmap();
1.184 +public:
1.185 + uid iUid;
1.186 + boolean iPosture;
1.187 + boolean iStrokeWeight;
1.188 + boolean iIsProportional;
1.189 + chardim iCellHeightInPixels;
1.190 + chardim iAscentInPixels;
1.191 + chardim iMaxCharWidthInPixels;
1.192 + chardim iMaxNormalCharWidthInPixels;
1.193 + int32 iBitmapEncoding;
1.194 + ObjectList<BitmapCodeSection*> iCodeSectionList;
1.195 + MetricDistribution* iCharacterMetrics;
1.196 + };
1.197 +
1.198 +class TypefaceFontBitmap
1.199 +/**
1.200 +@internalComponent
1.201 +*/
1.202 + {
1.203 +public:
1.204 + TypefaceFontBitmap(FontBitmap* aFontBitmap);
1.205 + TypefaceFontBitmap(uid aFontBitmapUid);
1.206 + void Externalize(ostream& out);
1.207 +public:
1.208 + FontBitmap* iFontBitmap;
1.209 + uid iFontBitmapUid;
1.210 + char iWidthFactor;
1.211 + char iHeightFactor;
1.212 + };
1.213 +
1.214 +class FntTypeface : public Record, public Typeface
1.215 +/**
1.216 +@internalComponent
1.217 +*/
1.218 + {
1.219 +public:
1.220 + void Externalize(ostream& out);
1.221 +public:
1.222 + ObjectList<TypefaceFontBitmap*> iTypefaceFontBitmapList;
1.223 + };
1.224 +
1.225 +class FontStoreFile : public Record
1.226 +/**
1.227 +@internalComponent
1.228 +*/
1.229 + {
1.230 +public:
1.231 + FontStoreFile();
1.232 + void AddTypeface(FntTypeface* aTypeface);
1.233 + void AddFontBitmap(FontBitmap* aFontBitmap);
1.234 + void Externalize(ostream& out);
1.235 +private:
1.236 + void ExternalizeHeader(ostream& out);
1.237 + void ExternalizeComponents(ostream& out);
1.238 +public:
1.239 + uid iCollectionUid;
1.240 + int32 iKPixelAspectRatio;
1.241 + ObjectList<String*> iCopyrightInfo;
1.242 +private:
1.243 + streampos iDataStreamId;
1.244 + RecordList iFontBitmapList;
1.245 + RecordList iTypefaceList;
1.246 + };
1.247 +
1.248 +class FontStore
1.249 +/**
1.250 +@internalComponent
1.251 +*/
1.252 + {
1.253 +public:
1.254 + boolean Store(const String& aFilename);
1.255 + void AddFontStoreFile(FontStoreFile* aFontStoreFile);
1.256 + void AddFontBitmap(FontBitmap* aFontBitmap);
1.257 + Record* FindFontBitmap(String& aLabel);
1.258 + void AddTypeface(FntTypeface* aTypeface);
1.259 + Record* FindTypeface(String& aLabel);
1.260 + FontStore();
1.261 + ~FontStore();
1.262 +private:
1.263 + FontStoreFile* iFontStoreFile;
1.264 + RecordList iFontBitmapList;
1.265 + RecordList iTypefaceList;
1.266 + };
1.267 +
1.268 +#endif