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/pdf/PDFFontType3.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: PDFFontType3.java 679326 2008-07-24 09:35:34Z vhennebert $ */

package org.apache.fop.pdf;

import org.apache.fop.fonts.FontType;

/**
 * Class representing a Type3 font.
 * <p>
 * <b>CAUTION: this is not yet fully implemented!!!!!!!</b>
 * the /CharProcs is still missing its <code>toPDF()</code> method.
 * <p>
 * Type3 fonts are specified on page 206 and onwards of the PDF 1.3 spec.
 */
public class PDFFontType3 extends PDFFontNonBase14 {

    /**
     * Create the /Font object
     *
     * @param fontname the internal name for the font
     * @param basefont the base font name
     * @param encoding the character encoding schema used by the font
     */
    public PDFFontType3(String fontname,
                        String basefont,
                        Object encoding) {
        super(fontname, FontType.TYPE3, basefont, encoding);
    }

    /**
     * Create the /Font object
     *
     * @param fontname the internal name for the font
     * @param basefont the base font name
     * @param encoding the character encoding schema used by the font
     * @param fontBBox the font's bounding box
     * @param fontMatrix the font's transformation matrix
     * @param charProcs the glyphs' definitions
     */
    public PDFFontType3(String fontname,
                        String basefont,
                        Object encoding,
                        PDFRectangle fontBBox, PDFArray fontMatrix,
                        PDFCharProcs charProcs) {

        /* generic creation of PDF object */
        super(fontname, FontType.TYPE3, basefont, encoding /* , mapping */);

        setFontBBox(fontBBox);
        setFontMatrix(fontMatrix);
        setCharProcs(charProcs);
    }

    /**
     * Set the font's bounding box
     *
     * @param bbox bounding box for the font
     */
    public void setFontBBox(PDFRectangle bbox) {
        put("FontBBox", bbox);
    }

    /**
     * Set the font's transformation matrix
     *
     * @param matrix the transformation matrix for the font
     */
    public void setFontMatrix(PDFArray matrix) {
        put("FontMatrix", matrix);
    }

    /**
     * Set the glyphs' definitions.
     * <p>
     * The /CharProcs object needs to be registered in the document's resources.
     *
     * @param chars the glyphs' dictionary
     */
    public void setCharProcs(PDFCharProcs chars) {
        put("CharProcs", chars);
    }

}

⏎ org/apache/fop/pdf/PDFFontType3.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)