itextpdf.jar is a component in iText 5 Java library to provide core functionalities. iText Java library allows you to generate and manage PDF documents.

The Source Code files are provided at iText GitHub site.

You can compile it to generate your JAR file, using pom.xml as the build configuration file.

The source code of itextpdf-5.5.14.jar is provided below:

⏎ com/itextpdf/awt/geom/PolylineShapeIterator.java

/*
 *
 * This file is part of the iText (R) project.
    Copyright (c) 1998-2020 iText Group NV
 * Authors: Bruno Lowagie, Paulo Soares, et al.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License version 3
 * as published by the Free Software Foundation with the addition of the
 * following permission added to Section 15 as permitted in Section 7(a):
 * FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
 * ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
 * OF THIRD PARTY RIGHTS
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU Affero General Public License for more details.
 * You should have received a copy of the GNU Affero General Public License
 * along with this program; if not, see http://www.gnu.org/licenses or write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA, 02110-1301 USA, or download the license from the following URL:
 * http://itextpdf.com/terms-of-use/
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License,
 * a covered work must retain the producer line in every PDF that is created
 * or manipulated using iText.
 *
 * You can be released from the requirements of the license by purchasing
 * a commercial license. Buying such a license is mandatory as soon as you
 * develop commercial activities involving the iText software without
 * disclosing the source code of your own applications.
 * These activities include: offering paid services to customers as an ASP,
 * serving PDFs on the fly in a web application, shipping iText with a closed
 * source product.
 *
 * For more information, please contact iText Software Corp. at this
 * address: sales@itextpdf.com
 */
package com.itextpdf.awt.geom;

import java.awt.geom.AffineTransform;
import java.awt.geom.PathIterator;
import java.util.NoSuchElementException;
import com.itextpdf.text.error_messages.MessageLocalization;
/**
 * PathIterator for PolylineShape.
 * This class was originally written by wil - amristar.com.au
 * and integrated into iText by Bruno.
 */
public class PolylineShapeIterator implements PathIterator {
	/** The polyline over which we are going to iterate. */
	protected PolylineShape poly;
	/** an affine transformation to be performed on the polyline. */
	protected AffineTransform affine;
	/** the index of the current segment in the iterator. */
	protected int index;
	
	/** Creates a PolylineShapeIterator. */
	PolylineShapeIterator(PolylineShape l, AffineTransform at) {
		this.poly = l;
		this.affine = at;
	}
	
	/**
	 * Returns the coordinates and type of the current path segment in
	 * the iteration. The return value is the path segment type:
	 * SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE.
	 * A double array of length 6 must be passed in and may be used to
	 * store the coordinates of the point(s).
	 * Each point is stored as a pair of double x,y coordinates.
	 * SEG_MOVETO and SEG_LINETO types will return one point,
	 * SEG_QUADTO will return two points,
	 * SEG_CUBICTO will return 3 points
	 * and SEG_CLOSE will not return any points.
	 * @see #SEG_MOVETO
	 * @see #SEG_LINETO
	 * @see #SEG_QUADTO
	 * @see #SEG_CUBICTO
	 * @see #SEG_CLOSE
	 * @see java.awt.geom.PathIterator#currentSegment(double[])
	 */
	public int currentSegment(double[] coords) {
		if (isDone()) {
			throw new NoSuchElementException(MessageLocalization.getComposedMessage("line.iterator.out.of.bounds"));
		}
		int type = (index==0)?SEG_MOVETO:SEG_LINETO;
		coords[0] = poly.x[index];
		coords[1] = poly.y[index];
		if (affine != null) {
			affine.transform(coords, 0, coords, 0, 1);
		}
		return type;
	}
	
	/**
	 * Returns the coordinates and type of the current path segment in
	 * the iteration. The return value is the path segment type:
	 * SEG_MOVETO, SEG_LINETO, SEG_QUADTO, SEG_CUBICTO, or SEG_CLOSE.
	 * A double array of length 6 must be passed in and may be used to
	 * store the coordinates of the point(s).
	 * Each point is stored as a pair of double x,y coordinates.
	 * SEG_MOVETO and SEG_LINETO types will return one point,
	 * SEG_QUADTO will return two points,
	 * SEG_CUBICTO will return 3 points
	 * and SEG_CLOSE will not return any points.
	 * @see #SEG_MOVETO
	 * @see #SEG_LINETO
	 * @see #SEG_QUADTO
	 * @see #SEG_CUBICTO
	 * @see #SEG_CLOSE
	 * @see java.awt.geom.PathIterator#currentSegment(float[])
	 */
	public int currentSegment(float[] coords) {
		if (isDone()) {
			throw new NoSuchElementException(MessageLocalization.getComposedMessage("line.iterator.out.of.bounds"));
		}
		int type = (index==0)?SEG_MOVETO:SEG_LINETO;
		coords[0] = poly.x[index];
		coords[1] = poly.y[index];
		if (affine != null) {
			affine.transform(coords, 0, coords, 0, 1);
		}
		return type;
	}

	/**
	 * Return the winding rule for determining the insideness of the
	 * path.
	 * @see #WIND_EVEN_ODD
	 * @see #WIND_NON_ZERO
	 * @see java.awt.geom.PathIterator#getWindingRule()
	 */
	public int getWindingRule() {
		return WIND_NON_ZERO;
	}

	/**
	 * Tests if there are more points to read.
	 * @return true if there are more points to read
	 * @see java.awt.geom.PathIterator#isDone()
	 */
	public boolean isDone() {
		return (index >= poly.np);
	}

	/**
	 * Moves the iterator to the next segment of the path forwards
	 * along the primary direction of traversal as long as there are
	 * more points in that direction.
	 * @see java.awt.geom.PathIterator#next()
	 */
	public void next() {
		index++;
	}

}

⏎ com/itextpdf/awt/geom/PolylineShapeIterator.java

Or download all of them as a single archive file:

File name: itextpdf-5.5.14-fyi.zip
File size: 2163839 bytes
Release date: 2009-10-09
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