iText 5 itextpdf.jar Source Code

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:

✍: FYIcenter.com

com/itextpdf/text/pdf/PdfLayerMembership.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.text.pdf;

import java.util.Collection;
import java.util.HashSet;

/**
 * Content typically belongs to a single optional content group,
 * and is visible when the group is <B>ON</B> and invisible when it is <B>OFF</B>. To express more
 * complex visibility policies, content should not declare itself to belong to an optional
 * content group directly, but rather to an optional content membership dictionary
 * represented by this class.
 *
 * @author Paulo Soares
 */
public class PdfLayerMembership extends PdfDictionary implements PdfOCG {

    /**
     * Visible only if all of the entries are <B>ON</B>.
     */
    public static final PdfName ALLON = new PdfName("AllOn");
    /**
     * Visible if any of the entries are <B>ON</B>.
     */
    public static final PdfName ANYON = new PdfName("AnyOn");
    /**
     * Visible if any of the entries are <B>OFF</B>.
     */
    public static final PdfName ANYOFF = new PdfName("AnyOff");
    /**
     * Visible only if all of the entries are <B>OFF</B>.
     */
    public static final PdfName ALLOFF = new PdfName("AllOff");

    PdfIndirectReference ref;
    PdfArray members = new PdfArray();
    HashSet<PdfLayer> layers = new HashSet<PdfLayer>();

    /**
     * Creates a new, empty, membership layer.
     * @param writer the writer
     */
    public PdfLayerMembership(PdfWriter writer) {
        super(PdfName.OCMD);
        put(PdfName.OCGS, members);
        ref = writer.getPdfIndirectReference();
    }

    /**
     * Gets the <CODE>PdfIndirectReference</CODE> that represents this membership layer.
     * @return the <CODE>PdfIndirectReference</CODE> that represents this layer
     */
    public PdfIndirectReference getRef() {
        return ref;
    }

    /**
     * Adds a new member to the layer.
     * @param layer the new member to the layer
     */
    public void addMember(PdfLayer layer) {
        if (!layers.contains(layer)) {
            members.add(layer.getRef());
            layers.add(layer);
        }
    }

    /**
     * Gets the member layers.
     * @return the member layers
     */
    public Collection<PdfLayer> getLayers() {
        return layers;
    }

    /**
     * Sets the visibility policy for content belonging to this
     * membership dictionary. Possible values are ALLON, ANYON, ANYOFF and ALLOFF.
     * The default value is ANYON.
     * @param type the visibility policy
     */
    public void setVisibilityPolicy(PdfName type) {
        put(PdfName.P, type);
    }

    /**
     * Sets the visibility expression for content belonging to this
     * membership dictionary.
     * @param ve A (nested) array of which the first value is /And, /Or, or /Not
     * followed by a series of indirect references to OCGs or other visibility
     * expressions.
     * @since 5.0.2
     */
    public void setVisibilityExpression(PdfVisibilityExpression ve) {
        put(PdfName.VE, ve);
    }

    /**
     * Gets the dictionary representing the membership layer. It just returns <CODE>this</CODE>.
     * @return the dictionary representing the layer
     */
    public PdfObject getPdfObject() {
        return this;
    }
}

com/itextpdf/text/pdf/PdfLayerMembership.java

 

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