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

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:

⏎ org/apache/fop/fo/properties/FontStretchPropertyMaker.java

/*
 * 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: FontStretchPropertyMaker.java 1610839 2014-07-15 20:25:58Z vhennebert $ */

package org.apache.fop.fo.properties;
import org.apache.fop.fo.Constants;
import org.apache.fop.fo.FObj;
import org.apache.fop.fo.PropertyList;
import org.apache.fop.fo.expr.PropertyException;

/**
 * This subclass of EnumProperty.Maker handles the special treatment of
 * relative font stretch values described in 7.8.5.
 */
public class FontStretchPropertyMaker
    extends EnumProperty.Maker implements Constants {

    /* Ordered list of absolute font stretch properties so we can easily find the next /
     * previous one */
    private Property[] orderedFontStretchValues;

    /**
     * Create an enum property which can handle relative font stretches
     * @param propId the font size property id.
     */
    public FontStretchPropertyMaker(int propId) {
        super(propId);
    }

    /**
     * {@inheritDoc}
     * Implements the parts of 7.8.5 relevant to relative font stretches
     */
    public Property convertProperty(Property p,
                                    PropertyList propertyList,
                                    FObj fo) throws PropertyException {
        // if it is a relative font stretch value get current parent value and step
        // up or down accordingly
        if (p.getEnum() == EN_NARROWER) {
            return computeNextAbsoluteFontStretch(propertyList.getFromParent(this.getPropId()), -1);
        } else if (p.getEnum() == EN_WIDER) {
            return computeNextAbsoluteFontStretch(propertyList.getFromParent(this.getPropId()), 1);
        }
        return super.convertProperty(p, propertyList, fo);
    }

    /**
     * Calculates the nearest absolute font stretch property to the given
     * font stretch
     * @param baseProperty the font stretch property as set on the parent fo
     * @param direction should be -1 to get the next narrower value or +1 for the next wider value
     */
    private Property computeNextAbsoluteFontStretch(Property baseProperty, int direction) {
        // Create the table entries the first time around
        // @todo is this thread safe, do we need to worry about this here?
        if (orderedFontStretchValues == null) {
            orderedFontStretchValues = new Property[] {
                checkEnumValues("ultra-condensed"),
                checkEnumValues("extra-condensed"),
                checkEnumValues("condensed"),
                checkEnumValues("semi-condensed"),
                checkEnumValues("normal"),
                checkEnumValues("semi-expanded"),
                checkEnumValues("expanded"),
                checkEnumValues("extra-expanded"),
                checkEnumValues("ultra-expanded")
            };
        }
        int baseValue = baseProperty.getEnum();
        for (int i = 0; i < orderedFontStretchValues.length; i++) {
            if (baseValue == orderedFontStretchValues[i].getEnum()) {
                // increment/decrement the index and make sure its within the array bounds
                i = Math.min(Math.max(0, i + direction), orderedFontStretchValues.length - 1);
                return orderedFontStretchValues[i];
            }
        }
        // return the normal value
        return orderedFontStretchValues[4];
    }

}

⏎ org/apache/fop/fo/properties/FontStretchPropertyMaker.java

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
Download 

⇒ "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)