What Is fop.jar in fop-2.7-bin.zip

What Is fop.jar? I got it from the fop-2.7-bin.zip.

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fop.jar in fop-2.7-bin.zip is the JAR file for FOP 2.7, which is a print formatter driven by XSL formatting objects (XSL-FO). You can obtain fop.jar from the build folder of the fop-2.7-bin.zip file.

Below is the information about the fop.jar (2.2) file:

JAR File Size and Download Location:

JAR name: fop.jar, fop-2.7.jar
Target JDK version: 1.7
File name: fop.jar
File size: 4442817 bytes
Release date: 20-Jan-2022
Download: Apache FOP Website

Java source code files for fop.jar:


 * 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

/* $Id: AbstractTextArea.java 1617052 2014-08-10 06:55:01Z gadams $ */

package org.apache.fop.area.inline;

 * Abstract base class for both TextArea and Character.
public abstract class AbstractTextArea extends InlineParent {

    private static final long serialVersionUID = -1246306443569094371L;

     * this class stores information about spaces and potential adjustments
     * that can be used in order to re-compute adjustments when a
     * page-number or a page-number-citation is resolved
    // @SuppressFBWarnings("SE_INNER_CLASS")
    protected class TextAdjustingInfo extends InlineAdjustingInfo {

        private static final long serialVersionUID = -2412095162983479947L;

        /** difference between the optimal width of a space
         * and the default width of a space according to the font
         * (this is equivalent to the property word-spacing.optimum)
        protected int spaceDifference;

         * Constructor
         * @param stretch the available space for stretching
         * @param shrink the available space for shrinking
         * @param adj space adjustment type
        protected TextAdjustingInfo(int stretch, int shrink, int adj) {
            super(stretch, shrink, adj);

    private int textWordSpaceAdjust;
    private int textLetterSpaceAdjust;
    private TextAdjustingInfo textAdjustingInfo;
    private int baselineOffset;

     * Default constructor
    public AbstractTextArea() {

     * Constructor with extra parameters:
     * create a TextAdjustingInfo object
     * @param stretch  the available stretch of the text
     * @param shrink   the available shrink of the text
     * @param adj      the current adjustment of the area
    public AbstractTextArea(int stretch, int shrink, int adj) {
        textAdjustingInfo = new TextAdjustingInfo(stretch, shrink, adj);

     * Get text word space adjust.
     * @return the text word space adjustment
    public int getTextWordSpaceAdjust() {
        return textWordSpaceAdjust;

     * Set text word space adjust.
     * @param textWordSpaceAdjust the text word space adjustment
    public void setTextWordSpaceAdjust(int textWordSpaceAdjust) {
        this.textWordSpaceAdjust = textWordSpaceAdjust;

     * Get text letter space adjust.
     * @return the text letter space adjustment
    public int getTextLetterSpaceAdjust() {
        return textLetterSpaceAdjust;

     * Set text letter space adjust.
     * @param textLetterSpaceAdjust the text letter space adjustment
    public void setTextLetterSpaceAdjust(int textLetterSpaceAdjust) {
        this.textLetterSpaceAdjust = textLetterSpaceAdjust;

     * Set the difference between optimal width of a space and
     * default width of a space according to the font; this part
     * of the space adjustment is fixed and must not be
     * multiplied by the variation factor.
     * @param spaceDiff the space difference
    public void setSpaceDifference(int spaceDiff) {
        textAdjustingInfo.spaceDifference = spaceDiff;

     * recursively apply the variation factor to all descendant areas
     * @param variationFactor the variation factor that must be applied to adjustments
     * @param lineStretch     the total stretch of the line
     * @param lineShrink      the total shrink of the line
     * @return true if there is an UnresolvedArea descendant
    public boolean applyVariationFactor(double variationFactor,
                                        int lineStretch, int lineShrink) {
        if (textAdjustingInfo != null) {
            // compute the new adjustments:
            // if the variation factor is negative, it means that before
            // the ipd variation the line had to stretch and now it has
            // to shrink (or vice versa);
            // in this case, if the stretch and shrink are not equally
            // divided among the inline areas, we must compute a
            // balancing factor
            double balancingFactor = 1.0;
            if (variationFactor < 0) {
                if (textWordSpaceAdjust < 0) {
                    // from a negative adjustment to a positive one
                        = ((double) textAdjustingInfo.availableStretch
                           / textAdjustingInfo.availableShrink)
                            * ((double) lineShrink / lineStretch);
                } else {
                    // from a positive adjustment to a negative one
                        = ((double) textAdjustingInfo.availableShrink
                           / textAdjustingInfo.availableStretch)
                            * ((double) lineStretch / lineShrink);
            textWordSpaceAdjust = (int) ((textWordSpaceAdjust - textAdjustingInfo.spaceDifference)
                    * variationFactor * balancingFactor)
                    + textAdjustingInfo.spaceDifference;
            textLetterSpaceAdjust *= variationFactor;
            // update the ipd of the area
            int oldAdjustment = textAdjustingInfo.adjustment;
            textAdjustingInfo.adjustment *= balancingFactor * variationFactor;
            ipd += textAdjustingInfo.adjustment - oldAdjustment;
        return false;

     * Get baseline offset, i.e. the distance from the before edge
     * of this area to the nominal baseline.
     * @return the baseline offset
    public int getBaselineOffset() {
        return baselineOffset;

     * Set the baseline offset.
     * @param baselineOffset the baseline offset
    public void setBaselineOffset(int baselineOffset) {
        this.baselineOffset = baselineOffset;

    int getVirtualOffset() {
        return getBlockProgressionOffset();

    int getVirtualBPD() {
        /* Word and space areas don't have a properly set bpd; return this area's bpd instead. */
        return getBPD();



Or download all of them as a single archive file:

File name: fop-2.7-src.zip
File size: 3401312 bytes
Release date: 2022-01-20


"fop" Command in fop-2.7-bin.zip

What Is fop-2.7-bin.zip

Download and Installing of FOP 2.x

⇑⇑ FAQ for FOP (Formatting Object Processor)

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