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/afp/AFPObjectAreaInfo.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: AFPObjectAreaInfo.java 1195952 2011-11-01 12:20:21Z phancock $ */

package org.apache.fop.afp;

/**
 * A common class used to convey locations,
 * dimensions and resolutions of data objects.
 */
public class AFPObjectAreaInfo {
    private final int x;
    private final int y;
    private final int width;
    private final int height;
    private int widthRes;
    private int heightRes;
    private final int rotation;

    /**
     * Constructor
     *
     * @param x the x coordinate
     * @param y the y coordinate
     * @param width the width
     * @param height the height
     * @param resolution the resolution (sets both width and height resolutions)
     * @param rotation the rotation angle
     */
    public AFPObjectAreaInfo(int x, int y, int width, int height, int resolution, int rotation) {
        this.x = x;
        this.y = y;
        this.width = width;
        this.height = height;
        this.rotation = rotation;
        this.widthRes = resolution;
        this.heightRes = resolution;
    }

    /**
     * Sets both the width and the height resolutions.
     *
     * @param resolution the resolution
     */
    public void setResolution(int resolution) {
        this.widthRes = resolution;
        this.heightRes = resolution;
    }

    /**
     * Sets the width resolution.
     *
     * @param resolution the resolution
     */
    public void setWidthRes(int resolution) {
        this.widthRes = resolution;
    }

    /**
     * Sets the height resolution.
     *
     * @param resolution the resolution
     */
    public void setHeightRes(int resolution) {
        this.heightRes = resolution;
    }

    /**
     * Returns the x coordinate of this data object
     *
     * @return the x coordinate of this data object
     */
    public int getX() {
        return x;
    }

    /**
     * Returns the y coordinate of this data object
     *
     * @return the y coordinate of this data object
     */
    public int getY() {
        return y;
    }

    /**
     * Returns the width of this data object
     *
     * @return the width of this data object
     */
    public int getWidth() {
        return width;
    }

    /**
     * Returns the height of this data object
     *
     * @return the height of this data object
     */
    public int getHeight() {
        return height;
    }

    /**
     * Returns the width resolution of this data object
     *
     * @return the resolution of this data object
     */
    public int getWidthRes() {
        return widthRes;
    }

    /**
     * Returns the height resolution of this data object
     *
     * @return the resolution of this data object
     */
    public int getHeightRes() {
        return heightRes;
    }

    /**
     * Returns the rotation of this data object
     *
     * @return the rotation of this data object
     */
    public int getRotation() {
        return rotation;
    }

    /** {@inheritDoc} */
    public String toString() {
        return "x=" + x
                + ", y=" + y
                + ", width=" + width
                + ", height=" + height
                + ", widthRes=" + widthRes
                + ", heigtRes=" + heightRes
                + ", rotation=" + rotation;
    }

}

⏎ org/apache/fop/afp/AFPObjectAreaInfo.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)