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 FNTREADR.H
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #ifndef __FNTREADR_H__
sl@0: #define __FNTREADR_H__
sl@0: 
sl@0: #include "FNTRECRD.H"
sl@0: #include "LST.H"
sl@0: #include "READER.H"
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: const uint16 KMaxSizeCodeSectionBitmap = 0x7FFF;
sl@0: const int KMaxBitmapWidth = 0x7f;
sl@0: const int KMaxBitmapHeight = 0x7f;
sl@0: const int KNumberOfBitsInByte = 8; 
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: const int KLowestPermittedCharacterEncoding = 0x0000;
sl@0: const int KHighestPermittedCharacterEncoding = 0xffff;
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: const int KMaxNumberRepeatedLines = 15;	// maximum number of repeated lines in font compiler
sl@0: 
sl@0: /**
sl@0: KFillCharacterOffset is a significant offset that is set when a character within a code section is 
sl@0: not in the font. This means that for these fill characters nothing is stored within the binary
sl@0: data part of the code section
sl@0: @internalComponent
sl@0: */
sl@0: const uint16 KFillCharacterOffset = 0x7FFF;
sl@0: 
sl@0: /**
sl@0: Resource identifiers
sl@0: @internalComponent
sl@0: */
sl@0: const String IdentFontBitmap("FontBitmap");
sl@0: const String IdentSTARTFONT("STARTFONT");
sl@0: const String IdentTypeface("Typeface");
sl@0: const String IdentFontStoreFile("FontStoreFile");
sl@0: /**
sl@0: Char identifiers
sl@0: @internalComponent
sl@0: */
sl@0: const String IdentAdjust("Adjust");
sl@0: const String IdentEndChar("EndChar");
sl@0: 
sl@0: /**
sl@0: Codesection identifiers
sl@0: @internalComponent
sl@0: */
sl@0: const String IdentEndCodeSection("EndCodeSection");
sl@0: const String IdentChar("Char");
sl@0: 
sl@0: /**
sl@0: Fontbitmap identifiers
sl@0: @internalComponent
sl@0: */
sl@0: const String IdentEndFontBitmap("EndFontBitmap");
sl@0: const String IdentUid("Uid");
sl@0: const String IdentBold("Bold");
sl@0: const String IdentItalic("Italic");
sl@0: const String IdentFontBitmapProportional("Proportional");
sl@0: const String IdentCellHeight("CellHeight");
sl@0: const String IdentAscent("Ascent");
sl@0: const String IdentMaxNormalCharWidth("MaxNormalCharWidth");
sl@0: const String IdentBitmapEncoding("BitmapEncoding");
sl@0: const String IdentCodeSection("CodeSection");
sl@0: const String IdentMaxConsecutiveFillChars("MaxConsecutiveFillChars"); 
sl@0: 
sl@0: /**
sl@0: BDF CHAR identifiers
sl@0: @internalComponent
sl@0: */
sl@0: const String IdentBDFFileHeader("STARTFONT");
sl@0: const String IdentBDFComment("COMMENT");
sl@0: const String IdentBDFContentVersion("CONTENTVERSION");
sl@0: const String IdentBDFFontBitmap("FONT"); 
sl@0: const String IdentBDFPointSize("SIZE");
sl@0: const String IdentBDFFontDesignBox("FONTBOUNDINGBOX");
sl@0: const String IdentBDFWritingDirection("METRICSSET");
sl@0: const String IdentBDFStartProperties("STARTPROPERTIES");
sl@0: const String IdentBDFPropertyUid("UID");
sl@0: const String IdentBDFPropertyBold("BOLD");
sl@0: const String IdentBDFPropertyItalic("ITALIC");
sl@0: const String IdentBDFPropertyFontAscent("FONTASCENT");
sl@0: const String IdentBDFPropertyFontDescent("FONTDESCENT");
sl@0: const String IdentBDFPropertyMaxNormalCharWidth("MAXNORMALCHARWIDTH");
sl@0: const String IdentBDFPropertyMaxConsecutiveFillChars("MAXCONSECUTIVEFILLCHARS");
sl@0: const String IdentBDFEndProperties("ENDPROPERTIES");
sl@0: const String IdentBDFNumChars("CHARS");	// To be used as sanity check on BDF files
sl@0: const String IdentBDFCharLabel("STARTCHAR");
sl@0: const String IdentBDFChar("ENCODING");
sl@0: const String IdentBDFCursorMove("DWIDTH");
sl@0: const String IdentBDFBitmapSizeAndDisplacement("BBX");
sl@0: const String IdentBDFStartBitmap("BITMAP");
sl@0: const String IdentBDFEndChar("ENDCHAR");
sl@0: const String IdentBDFEndFontBitmap("ENDFONT");
sl@0: 
sl@0: /**
sl@0: Typeface identifiers
sl@0: @internalComponent
sl@0: */
sl@0: const String IdentEndTypeface("EndTypeface");
sl@0: const String IdentName("Name");
sl@0: const String IdentTypefaceProportional("Proportional");
sl@0: const String IdentSerif("Serif");
sl@0: const String IdentSymbol("Symbol");
sl@0: const String IdentFontBitmaps("FontBitmaps");
sl@0: const String IdentWidthFactor("WidthFactor");
sl@0: const String IdentHeightFactor("HeightFactor");
sl@0: const String IdentEndFontBitmaps("EndFontBitmaps");
sl@0: 
sl@0: /**
sl@0: Fontstorefile identifiers
sl@0: @internalComponent
sl@0: */
sl@0: const String IdentEndFontStoreFile("EndFontStoreFile");
sl@0: const String IdentFilename("Filename");
sl@0: const String IdentCollectionUid("CollectionUid");
sl@0: const String IdentKPixelAspectRatio("KPixelAspectRatio");
sl@0: const String IdentTypefaces("Typefaces");
sl@0: const String IdentEndTypefaces("EndTypefaces");
sl@0: const String IdentExtraFontBitmaps("FontBitmaps");
sl@0: const String IdentEndExtraFontBitmaps("EndFontBitmaps");
sl@0: const String IdentCopyrightInfo("CopyrightInfo");
sl@0: const String IdentEndCopyrightInfo("EndCopyrightInfo");
sl@0: 
sl@0: class CroppedValues;
sl@0: 
sl@0: class FontReader : public Reader
sl@0: /**
sl@0: @internalComponent
sl@0: */
sl@0: 	{
sl@0: public:
sl@0: 	enum TReadFileFormat
sl@0: 		{
sl@0: 		ESymbianGDFFormat,
sl@0: 		EBDFFormat
sl@0: 		};
sl@0: public:
sl@0: 	FontReader();
sl@0: 	boolean Read(const String& aFilename);
sl@0: 	boolean ReadBDFCharacter(int aCode);
sl@0: 	boolean ParseMetricsFromBDF(int aNumberCharsInFile, int aMaxConsecutiveFillChars);
sl@0: 	boolean ReadMetricFromBDFCharacter(CharacterMetrics* aMetric, CroppedValues* aCropped);
sl@0: 	boolean ReadBDFFontBitmap();
sl@0: 	boolean ReadTypeface();
sl@0: 	boolean ReadFontStoreFile();
sl@0: 	int Store(const String& aFilename);
sl@0: 	boolean CharLine(String& aCharLine);
sl@0: private:
sl@0: 	boolean ReadBDFChars(const int aNumberOfGlyphsInFile, const int aMaxConsecutiveFillChars);
sl@0: 	boolean DoMetricAnalysis(int& aHeight, int& aWidth, int& aLeftAdjust, int& aRightAdjust, int& aAscent);
sl@0: 	void ErrorIdentifierExpected(const String& aIdentifier);
sl@0: 	boolean CompareBitmapLines(int aLine1, int aLine2);
sl@0: 	boolean BitmapLineEmpty(int aLine);
sl@0: 	boolean BitmapColumnEmpty(int aColumn);
sl@0: 	void WriteFillCharacters(int aNumberConsecutive);
sl@0: 	void PrintoutCodeSection(const BitmapCodeSection* aCodeSection) const;
sl@0: private:
sl@0: 	FontStore iFontStore;
sl@0: 	FontStoreFile* iFontStoreFile;
sl@0: 	CharacterMetrics* iCharacterMetrics;
sl@0: 	BitmapCodeSection* iCodeSection;
sl@0: 	FontBitmap* iFontBitmap;
sl@0: 	FntTypeface* iTypeface;
sl@0: 	TReadFileFormat iReadFileFormat;
sl@0: 	int iBitArray[KMaxBitmapWidth][KMaxBitmapHeight];
sl@0: 	int iBitmapWidth;
sl@0: 	int iBitmapHeight;
sl@0: 	int iDefaultXMoveInPixels;
sl@0: 	int iDefaultYMoveInPixels;
sl@0: 	String iFileName;
sl@0: 	};
sl@0: 
sl@0: #endif