org.apache.fop.render.rtf.rtflib.rtfdoc.RtfFontManager Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id: RtfFontManager.java 1805173 2017-08-16 10:50:04Z ssteiner $ */
package org.apache.fop.render.rtf.rtflib.rtfdoc;
/*
* This file is part of the RTF library of the FOP project, which was originally
* created by Bertrand Delacretaz [email protected] and by other
* contributors to the jfor project (www.jfor.org), who agreed to donate jfor to
* the FOP project.
*/
import java.io.IOException;
import java.util.Hashtable;
import java.util.Vector;
/**
* RTF font table.
*
* This work was authored by Andreas Putz ([email protected]).
*/
public final class RtfFontManager {
//////////////////////////////////////////////////
// @@ Members
//////////////////////////////////////////////////
/** Singelton instance */
private static RtfFontManager instance = new RtfFontManager();
/** Index table for the fonts */
private Hashtable fontIndex;
/** Used fonts to this vector */
private Vector fontTable;
//////////////////////////////////////////////////
// @@ Construction
//////////////////////////////////////////////////
/**
* Constructor.
*/
private RtfFontManager() {
fontTable = new Vector();
fontIndex = new Hashtable();
init();
}
/**
* Singelton.
*
* @return The instance of RtfFontManager
*/
public static RtfFontManager getInstance() {
return instance;
}
//////////////////////////////////////////////////
// @@ Initializing
//////////////////////////////////////////////////
/**
* Initialize the font table.
*/
private void init() {
// getFontNumber ("Helvetica");
//Chanded by R.Marra default font Arial
getFontNumber("Arial");
getFontNumber("Symbol"); // used by RtfListItem.java
getFontNumber("Times New Roman");
/*
{\\f0\\fswiss Helv;}
// f1 is used by RtfList and RtfListItem for bullets
{\\f1\\froman\\fcharset2 Symbol;}
{\\f2\\froman\\fprq2 Times New Roman;}
{\\f3\\froman Times New Roman;}
*/
}
//////////////////////////////////////////////////
// @@ Public methods
//////////////////////////////////////////////////
/**
* Gets the number of font in the font table
*
* @param family Font family name ('Helvetica')
*
* @return The number of the font in the table
*/
public int getFontNumber(String family) {
Object o = fontIndex.get(getFontKey(family));
int retVal;
if (o == null) {
addFont(family);
retVal = fontTable.size() - 1;
} else {
retVal = (Integer) o;
}
return retVal;
}
/**
* Writes the font table in the header.
*
* @param header The header container to write in
*
* @throws IOException On error
*/
public void writeFonts(RtfHeader header) throws IOException {
if (fontTable == null || fontTable.size() == 0) {
return;
}
header.newLine();
header.writeGroupMark(true);
header.writeControlWord("fonttbl");
int len = fontTable.size();
for (int i = 0; i < len; i++) {
header.writeGroupMark(true);
header.newLine();
header.write("\\f" + i);
header.write(" " + (String) fontTable.elementAt(i));
header.write(";");
header.writeGroupMark(false);
}
header.newLine();
header.writeGroupMark(false);
}
//////////////////////////////////////////////////
// @@ Private methods
//////////////////////////////////////////////////
private String getFontKey(String family) {
return family.toLowerCase();
}
/**
* Adds a font to the table.
*
* @param family Identifier of font
*/
private void addFont(String family) {
fontIndex.put(getFontKey(family), fontTable.size());
fontTable.addElement(family);
}
}