1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/graphicstools/bitmapfonttools/inc/FNTREADR.H Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,196 @@
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 FNTREADR.H
1.19 +*
1.20 +*/
1.21 +
1.22 +
1.23 +#ifndef __FNTREADR_H__
1.24 +#define __FNTREADR_H__
1.25 +
1.26 +#include "FNTRECRD.H"
1.27 +#include "LST.H"
1.28 +#include "READER.H"
1.29 +/**
1.30 +@internalComponent
1.31 +*/
1.32 +const uint16 KMaxSizeCodeSectionBitmap = 0x7FFF;
1.33 +const int KMaxBitmapWidth = 0x7f;
1.34 +const int KMaxBitmapHeight = 0x7f;
1.35 +const int KNumberOfBitsInByte = 8;
1.36 +/**
1.37 +@internalComponent
1.38 +*/
1.39 +const int KLowestPermittedCharacterEncoding = 0x0000;
1.40 +const int KHighestPermittedCharacterEncoding = 0xffff;
1.41 +/**
1.42 +@internalComponent
1.43 +*/
1.44 +const int KMaxNumberRepeatedLines = 15; // maximum number of repeated lines in font compiler
1.45 +
1.46 +/**
1.47 +KFillCharacterOffset is a significant offset that is set when a character within a code section is
1.48 +not in the font. This means that for these fill characters nothing is stored within the binary
1.49 +data part of the code section
1.50 +@internalComponent
1.51 +*/
1.52 +const uint16 KFillCharacterOffset = 0x7FFF;
1.53 +
1.54 +/**
1.55 +Resource identifiers
1.56 +@internalComponent
1.57 +*/
1.58 +const String IdentFontBitmap("FontBitmap");
1.59 +const String IdentSTARTFONT("STARTFONT");
1.60 +const String IdentTypeface("Typeface");
1.61 +const String IdentFontStoreFile("FontStoreFile");
1.62 +/**
1.63 +Char identifiers
1.64 +@internalComponent
1.65 +*/
1.66 +const String IdentAdjust("Adjust");
1.67 +const String IdentEndChar("EndChar");
1.68 +
1.69 +/**
1.70 +Codesection identifiers
1.71 +@internalComponent
1.72 +*/
1.73 +const String IdentEndCodeSection("EndCodeSection");
1.74 +const String IdentChar("Char");
1.75 +
1.76 +/**
1.77 +Fontbitmap identifiers
1.78 +@internalComponent
1.79 +*/
1.80 +const String IdentEndFontBitmap("EndFontBitmap");
1.81 +const String IdentUid("Uid");
1.82 +const String IdentBold("Bold");
1.83 +const String IdentItalic("Italic");
1.84 +const String IdentFontBitmapProportional("Proportional");
1.85 +const String IdentCellHeight("CellHeight");
1.86 +const String IdentAscent("Ascent");
1.87 +const String IdentMaxNormalCharWidth("MaxNormalCharWidth");
1.88 +const String IdentBitmapEncoding("BitmapEncoding");
1.89 +const String IdentCodeSection("CodeSection");
1.90 +const String IdentMaxConsecutiveFillChars("MaxConsecutiveFillChars");
1.91 +
1.92 +/**
1.93 +BDF CHAR identifiers
1.94 +@internalComponent
1.95 +*/
1.96 +const String IdentBDFFileHeader("STARTFONT");
1.97 +const String IdentBDFComment("COMMENT");
1.98 +const String IdentBDFContentVersion("CONTENTVERSION");
1.99 +const String IdentBDFFontBitmap("FONT");
1.100 +const String IdentBDFPointSize("SIZE");
1.101 +const String IdentBDFFontDesignBox("FONTBOUNDINGBOX");
1.102 +const String IdentBDFWritingDirection("METRICSSET");
1.103 +const String IdentBDFStartProperties("STARTPROPERTIES");
1.104 +const String IdentBDFPropertyUid("UID");
1.105 +const String IdentBDFPropertyBold("BOLD");
1.106 +const String IdentBDFPropertyItalic("ITALIC");
1.107 +const String IdentBDFPropertyFontAscent("FONTASCENT");
1.108 +const String IdentBDFPropertyFontDescent("FONTDESCENT");
1.109 +const String IdentBDFPropertyMaxNormalCharWidth("MAXNORMALCHARWIDTH");
1.110 +const String IdentBDFPropertyMaxConsecutiveFillChars("MAXCONSECUTIVEFILLCHARS");
1.111 +const String IdentBDFEndProperties("ENDPROPERTIES");
1.112 +const String IdentBDFNumChars("CHARS"); // To be used as sanity check on BDF files
1.113 +const String IdentBDFCharLabel("STARTCHAR");
1.114 +const String IdentBDFChar("ENCODING");
1.115 +const String IdentBDFCursorMove("DWIDTH");
1.116 +const String IdentBDFBitmapSizeAndDisplacement("BBX");
1.117 +const String IdentBDFStartBitmap("BITMAP");
1.118 +const String IdentBDFEndChar("ENDCHAR");
1.119 +const String IdentBDFEndFontBitmap("ENDFONT");
1.120 +
1.121 +/**
1.122 +Typeface identifiers
1.123 +@internalComponent
1.124 +*/
1.125 +const String IdentEndTypeface("EndTypeface");
1.126 +const String IdentName("Name");
1.127 +const String IdentTypefaceProportional("Proportional");
1.128 +const String IdentSerif("Serif");
1.129 +const String IdentSymbol("Symbol");
1.130 +const String IdentFontBitmaps("FontBitmaps");
1.131 +const String IdentWidthFactor("WidthFactor");
1.132 +const String IdentHeightFactor("HeightFactor");
1.133 +const String IdentEndFontBitmaps("EndFontBitmaps");
1.134 +
1.135 +/**
1.136 +Fontstorefile identifiers
1.137 +@internalComponent
1.138 +*/
1.139 +const String IdentEndFontStoreFile("EndFontStoreFile");
1.140 +const String IdentFilename("Filename");
1.141 +const String IdentCollectionUid("CollectionUid");
1.142 +const String IdentKPixelAspectRatio("KPixelAspectRatio");
1.143 +const String IdentTypefaces("Typefaces");
1.144 +const String IdentEndTypefaces("EndTypefaces");
1.145 +const String IdentExtraFontBitmaps("FontBitmaps");
1.146 +const String IdentEndExtraFontBitmaps("EndFontBitmaps");
1.147 +const String IdentCopyrightInfo("CopyrightInfo");
1.148 +const String IdentEndCopyrightInfo("EndCopyrightInfo");
1.149 +
1.150 +class CroppedValues;
1.151 +
1.152 +class FontReader : public Reader
1.153 +/**
1.154 +@internalComponent
1.155 +*/
1.156 + {
1.157 +public:
1.158 + enum TReadFileFormat
1.159 + {
1.160 + ESymbianGDFFormat,
1.161 + EBDFFormat
1.162 + };
1.163 +public:
1.164 + FontReader();
1.165 + boolean Read(const String& aFilename);
1.166 + boolean ReadBDFCharacter(int aCode);
1.167 + boolean ParseMetricsFromBDF(int aNumberCharsInFile, int aMaxConsecutiveFillChars);
1.168 + boolean ReadMetricFromBDFCharacter(CharacterMetrics* aMetric, CroppedValues* aCropped);
1.169 + boolean ReadBDFFontBitmap();
1.170 + boolean ReadTypeface();
1.171 + boolean ReadFontStoreFile();
1.172 + int Store(const String& aFilename);
1.173 + boolean CharLine(String& aCharLine);
1.174 +private:
1.175 + boolean ReadBDFChars(const int aNumberOfGlyphsInFile, const int aMaxConsecutiveFillChars);
1.176 + boolean DoMetricAnalysis(int& aHeight, int& aWidth, int& aLeftAdjust, int& aRightAdjust, int& aAscent);
1.177 + void ErrorIdentifierExpected(const String& aIdentifier);
1.178 + boolean CompareBitmapLines(int aLine1, int aLine2);
1.179 + boolean BitmapLineEmpty(int aLine);
1.180 + boolean BitmapColumnEmpty(int aColumn);
1.181 + void WriteFillCharacters(int aNumberConsecutive);
1.182 + void PrintoutCodeSection(const BitmapCodeSection* aCodeSection) const;
1.183 +private:
1.184 + FontStore iFontStore;
1.185 + FontStoreFile* iFontStoreFile;
1.186 + CharacterMetrics* iCharacterMetrics;
1.187 + BitmapCodeSection* iCodeSection;
1.188 + FontBitmap* iFontBitmap;
1.189 + FntTypeface* iTypeface;
1.190 + TReadFileFormat iReadFileFormat;
1.191 + int iBitArray[KMaxBitmapWidth][KMaxBitmapHeight];
1.192 + int iBitmapWidth;
1.193 + int iBitmapHeight;
1.194 + int iDefaultXMoveInPixels;
1.195 + int iDefaultYMoveInPixels;
1.196 + String iFileName;
1.197 + };
1.198 +
1.199 +#endif