http://xmlgraphics.apache.org/fop/: Apache FOP (Formatting Objects Processor) is the world's first print formatter driven by XSL formatting objects (XSL-FO) and the world's first output independent formatter. It is a Java application that reads a formatting object (FO) tree and renders the resulting pages to a specified output. Output formats currently supported include PDF, PCL, PS, AFP, TIFF, PNG, SVG, XML (area tree representation), Print, AWT and TXT. The primary output target is PDF. (Apache Software Foundation) 
/*
 * 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: PDFTextUtil.java 1792597 2017-04-25 10:18:07Z ssteiner $ */

package org.apache.fop.svg;

import org.apache.fop.fonts.Font;
import org.apache.fop.fonts.FontInfo;
import org.apache.fop.fonts.Typeface;


Utility class for generating PDF text objects. It needs to be subclassed to add writing functionality (see PDFTextUtil.write(String)). 
/**
 * Utility class for generating PDF text objects. It needs to be subclassed to add writing
 * functionality (see {@link #write(String)}).
 */
// @SuppressFBWarnings("NM_SAME_SIMPLE_NAME_AS_SUPERCLASS")
public abstract class PDFTextUtil extends org.apache.fop.pdf.PDFTextUtil {

    private FontInfo fontInfo;
    private Font font;
    private int encoding;

    
Main constructor.

Params:
  • fontInfo – the font catalog
/**
     * Main constructor.
     * @param fontInfo the font catalog
     */
    public PDFTextUtil(FontInfo fontInfo) {
        super();
        this.fontInfo = fontInfo;
    }

    
{@inheritDoc} 
/** {@inheritDoc} */
    protected void initValues() {
        super.initValues();
        this.font = null;
    }

    
Returns the current font in use.

Returns:the current font or null if no font is currently active.
/**
     * Returns the current font in use.
     * @return the current font or null if no font is currently active.
     */
    public Font getCurrentFont() {
        return this.font;
    }

    
Returns the current encoding.

Returns:the current encoding
/**
     * Returns the current encoding.
     * @return the current encoding
     */
    public int getCurrentEncoding() {
        return this.encoding;
    }

    
Sets the current font.

Params:
  • f – the new font to use
/**
     * Sets the current font.
     * @param f the new font to use
     */
    public void setCurrentFont(Font f) {
        this.font = f;
    }

    
Sets the current encoding.

Params:
  • encoding – the new encoding
/**
     * Sets the current encoding.
     * @param encoding the new encoding
     */
    public void setCurrentEncoding(int encoding) {
        this.encoding = encoding;
    }

    
Determines whether the font with the given name is a multi-byte font.

Params:
  • name – the name of the font
Returns:true if it's a multi-byte font
/**
     * Determines whether the font with the given name is a multi-byte font.
     * @param name the name of the font
     * @return true if it's a multi-byte font
     */
    protected boolean isMultiByteFont(String name) {
        Typeface f = fontInfo.getFonts().get(name);
        return f.isMultiByte();
    }

    protected boolean isCIDFont(String name) {
        Typeface f = fontInfo.getFonts().get(name);
        return f.isCID();
    }

    
Writes a "Tf" command, setting a new current font.

Params:
  • f – the font to select
/**
     * Writes a "Tf" command, setting a new current font.
     * @param f the font to select
     */
    public void writeTf(Font f) {
        String fontName = f.getFontName();
        float fontSize = (float)f.getFontSize() / 1000f;
        boolean isMultiByte = isMultiByteFont(fontName);
        boolean isCid = isCIDFont(fontName);
        if (!isMultiByte && encoding != 0) {
            updateTf(fontName + "_" + Integer.toString(encoding), fontSize, isMultiByte, isCid);
        } else {
            updateTf(fontName, fontSize, isMultiByte, isCid);
        }
    }

}