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iText, a free Java-PDF library
/*
* $Id: RtfDestinationFontTable.java 3832 2009-04-04 13:18:12Z blowagie $
*
* Copyright 2007 by Howard Shank ([email protected])
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (the "License"); you may not use this file except in compliance with the License.
* You may obtain a copy of the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999-2006 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000-2006 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.rtf.parser.destinations;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.HashMap;
import java.util.Properties;
import com.lowagie.text.Font;
import com.lowagie.text.FontFactory;
import com.lowagie.text.rtf.parser.RtfImportMgr;
import com.lowagie.text.rtf.parser.RtfParser;
import com.lowagie.text.rtf.parser.ctrlwords.RtfCtrlWordData;
/**
* RtfDestinationFontTable handles data destined for the font table destination
*
* @author Howard Shank ([email protected])
*
* @since 2.0.8
*/
public final class RtfDestinationFontTable extends RtfDestination {
/**
* The RtfImportHeader to add font mappings to.
*/
private RtfImportMgr importHeader = null;
/**
* The theme (Office 2007)
*/
private String themeFont = "";
/**
* The number of the font being parsed.
*/
private String fontNr = "";
/**
* The family of the font being parsed.
*/
private String fontFamily = "";
/**
* The \charset value
*/
private String charset = "";
private static final String CHARSET_DEFAULT = "0";
/**
* The \fprq
*/
private int fprq = 0;
/**
* The \*\panose font matching value if primary font is not available.
*/
private String panose = "";
/**
* The \*\fname
*/
private String nontaggedname = "";
/**
* The name of the font being parsed.
*/
private String fontName = "";
/**
* The \falt alternate font if primary font is not available.
*/
private String falt = "";
/**
* The \falt alternate font if primary font is not available.
*/
private String fontemb = "";
/**
* The \falt alternate font if primary font is not available.
*/
private String fontType = "";
/**
* The \falt alternate font if primary font is not available.
*/
private String fontFile = "";
/**
* The \falt alternate font if primary font is not available.
*/
private String fontFileCpg = "";
/**
* The \fbias value
*/
private int fbias = 0;
/**
* The \cpg value
*/
private String cpg = "";
/**
* The \fnil, \fttruetype value
*/
private String trueType = "";
/**
* state flag to handle different parsing of a font element
*/
private int state = 0;
/* state values */
/** Normal */
private static final int SETTING_NORMAL = 0;
/** \falt */
private static final int SETTING_ALTERNATE = 1;
/** \fname */
private static final int SETTING_FONTNAME = 2;
/** \panose */
private static final int SETTING_PANOSE = 3;
/** \fontemb */
private static final int SETTING_FONT_EMBED = 4;
/** \ffile */
private static final int SETTING_FONT_FILE = 5;
/**
* Convert font mapping to FontFactory font objects.
*/
private HashMap fontMap = null;
/**
* Constructor
*/
public RtfDestinationFontTable() {
super(null);
}
/**
* Constructs a new RtfFontTableParser.
*
* @param parser an RtfParser.
*
* @since 2.0.8
*/
public RtfDestinationFontTable(RtfParser parser) {
super(parser);
this.init(true);
}
/* (non-Javadoc)
* @see com.lowagie.text.rtf.parser.destinations.RtfDestination#setParser(com.lowagie.text.rtf.parser.RtfParser)
*
* @since 2.0.8
*/
public void setParser(RtfParser parser) {
if(this.rtfParser != null && this.rtfParser.equals(parser)) return;
this.rtfParser = parser;
this.init(true);
}
/**
* Initialize the object.
*
* @param importFonts true to import the fonts into the FontFactory, false do not load fonts
*
* @since 2.0.8
*/
private void init(boolean importFonts) {
fontMap = new HashMap();
if(this.rtfParser != null) {
this.importHeader = this.rtfParser.getImportManager();
}
this.setToDefaults();
if(importFonts) {
importSystemFonts();
}
}
/* (non-Javadoc)
* @see com.lowagie.text.rtf.parser.destinations.RtfDestination#handleOpenNewGroup()
*
* @since 2.0.8
*/
public boolean handleOpeningSubGroup() {
return true;
}
/* (non-Javadoc)
* @see com.lowagie.text.rtf.direct.RtfDestination#closeDestination()
*
* @since 2.0.8
*/
public boolean closeDestination() {
return true;
}
/* (non-Javadoc)
* @see com.lowagie.text.rtf.direct.RtfDestination#handleGroupEnd()
*
* @since 2.0.8
*/
public boolean handleCloseGroup() {
if(this.state == SETTING_NORMAL) {
processFont();
}
this.state = SETTING_NORMAL;
return true;
}
/* (non-Javadoc)
* @see com.lowagie.text.rtf.direct.RtfDestination#handleGroupStart()
*
* @since 2.0.8
*/
public boolean handleOpenGroup() {
return true;
}
/* (non-Javadoc)
* @see com.lowagie.text.rtf.direct.RtfDestination#handleCharacter(char[])
*
* @since 2.0.8
*/
public boolean handleCharacter(int ch) {
switch(this.state) {
case SETTING_NORMAL:
this.fontName += (char)ch;
break;
case SETTING_ALTERNATE:
this.falt += (char)ch;
break;
case SETTING_PANOSE:
this.panose += (char)ch;
break;
case SETTING_FONT_EMBED:
break;
case SETTING_FONT_FILE:
break;
case SETTING_FONTNAME:
break;
}
return true;
}
/* (non-Javadoc)
* @see com.lowagie.text.rtf.parser.destinations.RtfDestination#handleControlWord(com.lowagie.text.rtf.parser.ctrlwords.RtfCtrlWordData)
*
* @since 2.0.8
*/
public boolean handleControlWord(RtfCtrlWordData ctrlWordData) {
boolean result = true;
// just let fonttbl fall through and set last ctrl word object.
if(ctrlWordData.ctrlWord.equals("f")) { this.setFontNumber(ctrlWordData.param); result=true;}
if(ctrlWordData.ctrlWord.equals("fcharset")) { this.setCharset(ctrlWordData.param); result=true; }
// font families
if(ctrlWordData.ctrlWord.equals("fnil")) { this.setFontFamily("roman"); result=true; }
if(ctrlWordData.ctrlWord.equals("froman")) { this.setFontFamily("roman"); result=true; }
if(ctrlWordData.ctrlWord.equals("fswiss")) { this.setFontFamily("swiss"); result=true; }
if(ctrlWordData.ctrlWord.equals("fmodern")) { this.setFontFamily("modern"); result=true; }
if(ctrlWordData.ctrlWord.equals("fscript")) { this.setFontFamily("script"); result=true; }
if(ctrlWordData.ctrlWord.equals("fdecor")) { this.setFontFamily("decor"); result=true; }
if(ctrlWordData.ctrlWord.equals("ftech")) { this.setFontFamily("tech"); result=true; }
if(ctrlWordData.ctrlWord.equals("fbidi")) { this.setFontFamily("bidi"); result=true; }
// pitch
if(ctrlWordData.ctrlWord.equals("fprq")) { this.setPitch(ctrlWordData.param); result=true; }
// bias
if(ctrlWordData.ctrlWord.equals("fbias")) { this.setBias(ctrlWordData.param); result=true; }
// theme font information
if(ctrlWordData.ctrlWord.equals("flomajor")) { this.setThemeFont("flomajor"); result= true; }
if(ctrlWordData.ctrlWord.equals("fhimajor")) { this.setThemeFont("fhimajor"); result= true; }
if(ctrlWordData.ctrlWord.equals("fdbmajor")) { this.setThemeFont("fdbmajor"); result= true; }
if(ctrlWordData.ctrlWord.equals("fbimajor")) { this.setThemeFont("fbimajor"); result= true; }
if(ctrlWordData.ctrlWord.equals("flominor")) { this.setThemeFont("flominor"); result= true; }
if(ctrlWordData.ctrlWord.equals("fhiminor")) { this.setThemeFont("fhiminor"); result= true; }
if(ctrlWordData.ctrlWord.equals("fdbminor")) { this.setThemeFont("fdbminor"); result= true; }
if(ctrlWordData.ctrlWord.equals("fbiminor")) { this.setThemeFont("fbiminor"); result= true; }
// panose
if(ctrlWordData.ctrlWord.equals("panose")) {state = SETTING_PANOSE; result = true; }
// \*\fname
// #PCDATA
if(ctrlWordData.ctrlWord.equals("fname")) {state = SETTING_FONTNAME; result = true; }
// \*\falt
if(ctrlWordData.ctrlWord.equals("falt")) { state = SETTING_ALTERNATE; result = true; }
// \*\fontemb
if(ctrlWordData.ctrlWord.equals("fontemb")) { state = SETTING_FONT_EMBED; result = true; }
// font type
if(ctrlWordData.ctrlWord.equals("ftnil")) { this.setTrueType("ftnil"); result= true; }
if(ctrlWordData.ctrlWord.equals("fttruetype")) { this.setTrueType("fttruetype"); result= true; }
// \*\fontfile
if(ctrlWordData.ctrlWord.equals("fontemb")) { state = SETTING_FONT_FILE; result = true; }
// codepage
if(ctrlWordData.ctrlWord.equals("cpg")) { this.setCodePage(ctrlWordData.param); result= true; }
this.lastCtrlWord = ctrlWordData;
return result;
}
/**
* Set the code page
* @param value The code page value
*
* @since 2.0.8
*/
public void setCodePage(String value) {
this.cpg = value;
}
/**
* Set the TrueTtype type
* @param value The type
*
* @since 2.0.8
*/
public void setTrueType(String value) {
this.trueType = value;
}
/**
* Set the font pitch
* @param value Pitch value
*
* @since 2.0.8
*/
public void setPitch(String value) {
this.fprq = Integer.parseInt(value);
}
/**
* Set the font bias
* @param value Bias value
*
* @since 2.0.8
*/
public void setBias(String value) {
this.fbias = Integer.parseInt(value);
}
/**
* Set the font theme
*
* @param themeFont Theme value
*
* @since 2.0.8
*/
public void setThemeFont(String themeFont) {
this.themeFont = themeFont;
}
/**
* Set the font name to the parsed value.
*
* @param fontName The font name.
*
* @since 2.0.8
*/
public void setFontName(String fontName) {
this.fontName = fontName;
}
/**
* Set the font family to the parsed value.
*
* @param fontFamily The font family.
*
* @since 2.0.8
*/
public void setFontFamily(String fontFamily) {
this.fontFamily = fontFamily;
}
/**
* Set the font number to the parsed value.
* This is used for mapping fonts to the new font numbers
*
* @param fontNr The font number.
*
* @since 2.0.8
*/
public void setFontNumber(String fontNr) {
this.fontNr = fontNr;
}
/**
* Set the alternate font name.
*
* @param fontAlternate The falt font value
*
* @since 2.0.8
*/
public void setFontAlternate(String fontAlternate) {
this.falt = fontAlternate;
}
/**
* Set the character-set to the parsed value.
*
* @param charset The charset value
*
* @since 2.0.8
*/
public void setCharset(String charset) {
if(charset.length() == 0) {
charset = CHARSET_DEFAULT;
}
this.charset = charset;
}
/* (non-Javadoc)
* @see com.lowagie.text.rtf.direct.RtfDestination#setDefaults()
*
* @since 2.0.8
*/
public void setToDefaults() {
this.themeFont = "";
this.fontNr = "";
this.fontName = "";
this.fontFamily = "";
this.charset = "";
this.fprq = 0;
this.panose = "";
this.nontaggedname = "";
this.falt = "";
this.fontemb = "";
this.fontType = "";
this.fontFile = "";
this.fontFileCpg = "";
this.fbias = 0;
this.cpg = "";
this.trueType = "";
this.state = SETTING_NORMAL;
}
/**
* Process the font information that was parsed from the input.
*
* @since 2.0.8
*/
private void processFont() {
this.fontName = this.fontName.trim();
if(fontName.length() == 0) return;
if(fontNr.length() == 0) return;
if(fontName.length()>0 && fontName.indexOf(';') >= 0) {
fontName = fontName.substring(0,fontName.indexOf(';'));
}
if(this.rtfParser.isImport()) {
//TODO: If primary font fails, use the alternate
//TODO: Problem: RtfFont defaults family to \froman and doesn't allow any other family.
// if you set the family, it changes the font name and not the family in the Font.java class.
// if(this.fontFamily.length() > 0) {
// if(this.importHeader.importFont(this.fontNr, this.fontName, this.fontFamily, Integer.parseInt(this.charset)) == false) {
// if(this.falt.length() > 0) {
// this.importHeader.importFont(this.fontNr, this.falt, this.fontFamily, Integer.parseInt(this.charset));
// }
// }
// } else {
if(!this.importHeader.importFont(this.fontNr, this.fontName, Integer.parseInt("".equals(this.charset)?CHARSET_DEFAULT:this.charset))) {
if(this.falt.length() > 0) {
this.importHeader.importFont(this.fontNr, this.falt, Integer.parseInt("".equals(this.charset)?CHARSET_DEFAULT:this.charset));
}
}
// }
}
if(this.rtfParser.isConvert()) {
// This could probably be written as a better font matching function
String fName = this.fontName; // work variable for trimming name if needed.
Font f1 = createfont(fName);
if(f1.getBaseFont() == null && this.falt.length()>0)
f1 = createfont(this.falt);
if(f1.getBaseFont() == null) {
// Did not find a font, let's try a substring of the first name.
if(FontFactory.COURIER.indexOf(fName) > -1 ) {
f1 = FontFactory.getFont(FontFactory.COURIER);
} else if(FontFactory.HELVETICA.indexOf(fName) > -1 ) {
f1 = FontFactory.getFont(FontFactory.HELVETICA);
} else if(FontFactory.TIMES.indexOf(fName) > -1 ) {
f1 = FontFactory.getFont(FontFactory.TIMES);
} else if(FontFactory.SYMBOL.indexOf(fName) > -1 ) {
f1 = FontFactory.getFont(FontFactory.SYMBOL);
} else if(FontFactory.ZAPFDINGBATS.indexOf(fName) > -1 ) {
f1 = FontFactory.getFont(FontFactory.ZAPFDINGBATS);
} else {
// we did not find a matching font in any form.
// default to HELVETICA for now.
f1 = FontFactory.getFont(FontFactory.HELVETICA);
}
}
fontMap.put(this.fontNr, f1);
//System.out.println(f1.getFamilyname());
}
this.setToDefaults();
}
/**
* Create a font via the FontFactory
*
* @param fontName The font name to create
* @return The created Font object
*
* @since 2.0.8
*/
private Font createfont(String fontName) {
Font f1 = null;
int pos=-1;
do {
f1 = FontFactory.getFont(fontName);
if(f1.getBaseFont() != null) break; // found a font, exit the do/while
pos = fontName.lastIndexOf(' '); // find the last space
if(pos>0) {
fontName = fontName.substring(0, pos ); // truncate it to the last space
}
} while(pos>0);
return f1;
}
/**
* Get a Font object from the font map object
*
* @param key The font number to get
* @return The mapped Font object.
*
* @since 2.0.8
*/
public Font getFont(String key) {
return (Font) fontMap.get(key);
}
/**
* Load system fonts into the static FontFactory object
*
* @since 2.0.8
*/
private void importSystemFonts() {
Properties pr = null;
try {
pr = getEnvironmentVariables();
} catch (Throwable e) {
}
String systemRoot = pr.getProperty("SystemRoot");
Runtime runtime = Runtime.getRuntime();
String fileSeperator = System.getProperty("file.separator");
int r = FontFactory.registerDirectory(systemRoot + fileSeperator + "fonts");
}
/**
* Utility method to load the environment variables.
*
* @return Properties object with environment variable information
* @throws Throwable
*
* @since 2.0.8
*/
private Properties getEnvironmentVariables() throws Throwable {
Properties environmentVariables = new Properties();
String operatingSystem = System.getProperty("os.name").toLowerCase();
Runtime runtime = Runtime.getRuntime();
Process process = null;
if (operatingSystem.indexOf("windows 95") > -1
|| operatingSystem.indexOf("windows 98") > -1
|| operatingSystem.indexOf("me") > -1) {
process = runtime.exec("command.com /c set");
} else if ((operatingSystem.indexOf("nt") > -1)
|| (operatingSystem.indexOf("windows 2000") > -1)
|| (operatingSystem.indexOf("windows xp") > -1)
|| (operatingSystem.indexOf("windows 2003") > -1)
|| (operatingSystem.indexOf("windows vista") > -1)) {
process = runtime.exec("cmd.exe /c set");
} else {
process = runtime.exec("env");
}
BufferedReader environmentStream = new BufferedReader(new InputStreamReader(process.getInputStream()));
String inputLine = "";
int idx = -1;
while ((inputLine = environmentStream.readLine()) != null) {
idx = inputLine.indexOf('=');
environmentVariables.setProperty(inputLine.substring(0, idx),
inputLine.substring(idx + 1));
}
return environmentVariables;
}
}
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