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/PolylineShape.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.Shape;
import java.awt.Rectangle;
import java.awt.geom.AffineTransform;
import java.awt.geom.PathIterator;
import java.awt.geom.Line2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;

/**
 * Class that defines a Polyline shape.
 * This class was originally written by wil - amristar.com.au
 * and integrated into iText by Bruno.
 */
public class PolylineShape implements Shape {
	/** All the X-values of the coordinates in the polyline. */
	protected int[] x;
	/** All the Y-values of the coordinates in the polyline. */
	protected int[] y;
	/** The total number of points. */
	protected int np;

	/** Creates a PolylineShape. */
	public PolylineShape(int[] x, int[] y, int nPoints) {
		// Should copy array (as done in Polygon)
		this.np = nPoints;
		// Take a copy.
		this.x = new int[np];
		this.y = new int[np];
		System.arraycopy(x, 0, this.x, 0, np);
		System.arraycopy(y, 0, this.y, 0, np);
	}

	/**
	 * Returns the bounding box of this polyline.
	 *
	 * @return a {@link Rectangle2D} that is the high-precision
	 * 	bounding box of this line.
	 * @see java.awt.Shape#getBounds2D()
	 */
	public Rectangle2D getBounds2D() {
		int[] r = rect();
		return r==null?null:new Rectangle2D.Double(r[0], r[1], r[2], r[3]);
	}
	
	/**
	 * Returns the bounding box of this polyline.
	 * @see java.awt.Shape#getBounds()
	 */
	public Rectangle getBounds() {
		return getBounds2D().getBounds();
	}

	/**
	 * Calculates the origin (X, Y) and the width and height
	 * of a rectangle that contains all the segments of the
	 * polyline.
	 */
	private int[] rect() {
		 if(np==0)return null;
		int xMin = x[0], yMin=y[0], xMax=x[0],yMax=y[0];

		 for(int i=1;i<np;i++) {
			 if(x[i]<xMin)xMin=x[i];
			 else if(x[i]>xMax)xMax=x[i];
			 if(y[i]<yMin)yMin=y[i];
			 else if(y[i]>yMax)yMax=y[i];
		 }

		 return new int[] { xMin, yMin, xMax-xMin, yMax-yMin };
	}

	/**
	 * A polyline can't contain a point.
	 * @see java.awt.Shape#contains(double, double)
	 */
	public boolean contains(double x, double y) { return false; }
	
	/**
	 * A polyline can't contain a point.
	 * @see java.awt.Shape#contains(java.awt.geom.Point2D)
	 */
	public boolean contains(Point2D p) { return false; }
	
	/**
	 * A polyline can't contain a point.
	 * @see java.awt.Shape#contains(double, double, double, double)
	 */
	public boolean contains(double x, double y, double w, double h) { return false; }
	
	/**
	 * A polyline can't contain a point.
	 * @see java.awt.Shape#contains(java.awt.geom.Rectangle2D)
	 */
	public boolean contains(Rectangle2D r) { return false; }

	/**
	 * Checks if one of the lines in the polyline intersects
	 * with a given rectangle.
	 * @see java.awt.Shape#intersects(double, double, double, double)
	 */
	public boolean intersects(double x, double y, double w, double h) {
		return intersects(new Rectangle2D.Double(x, y, w, h));
	}

	/**
	 * Checks if one of the lines in the polyline intersects
	 * with a given rectangle.
	 * @see java.awt.Shape#intersects(java.awt.geom.Rectangle2D)
	 */
	public boolean intersects(Rectangle2D r) {
		if(np==0)return false;
		Line2D line = new Line2D.Double(x[0],y[0],x[0],y[0]);
		for (int i = 1; i < np; i++) {
			line.setLine(x[i-1], y[i-1], x[i], y[i]);
			if(line.intersects(r))return true;
		}
		return false;
	}

	/**
	 * Returns an iteration object that defines the boundary of the polyline.
	 * @param at the specified {@link AffineTransform}
	 * @return a {@link PathIterator} that defines the boundary of this polyline.
	 * @see java.awt.Shape#intersects(java.awt.geom.Rectangle2D)
	 */
	public PathIterator getPathIterator(AffineTransform at) {
		return new PolylineShapeIterator(this, at);
	}

	/**
	 * There's no difference with getPathIterator(AffineTransform at);
	 * we just need this method to implement the Shape interface.
	 */
	public PathIterator getPathIterator(AffineTransform at, double flatness) {
		return new PolylineShapeIterator(this, at);
	}

}

⏎ com/itextpdf/awt/geom/PolylineShape.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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