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iText 7 Building Blocks - Chapter 7: events, viewer preferences, writer properties

c07e01_eventhandlers

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.kernel.events.Event;
import com.itextpdf.kernel.events.IEventHandler;
import com.itextpdf.kernel.events.PdfDocumentEvent;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfName;
import com.itextpdf.kernel.pdf.PdfNumber;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.element.Paragraph;
import java.io.File;
import java.io.IOException;

public class C07E01_EventHandlers {
    
    public static final String DEST = "results/chapter07/jekyll_hyde_page_orientation.pdf";
    
    public static final PdfNumber PORTRAIT = new PdfNumber(0);
    public static final PdfNumber LANDSCAPE = new PdfNumber(90);
    public static final PdfNumber INVERTEDPORTRAIT = new PdfNumber(180);
    public static final PdfNumber SEASCAPE = new PdfNumber(270);
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E01_EventHandlers().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        pdf.getCatalog().setPageLayout(PdfName.TwoColumnLeft);
        PageRotationEventHandler eventHandler = new PageRotationEventHandler();
        pdf.addEventHandler(PdfDocumentEvent.START_PAGE, eventHandler);
        Document document = new Document(pdf, PageSize.A8);
        document.add(new Paragraph("Dr. Jekyll"));
        eventHandler.setRotation(INVERTEDPORTRAIT);
        document.add(new AreaBreak());
        document.add(new Paragraph("Mr. Hyde"));
        eventHandler.setRotation(LANDSCAPE);
        document.add(new AreaBreak());
        document.add(new Paragraph("Dr. Jekyll"));
        eventHandler.setRotation(SEASCAPE);
        document.add(new AreaBreak());
        document.add(new Paragraph("Mr. Hyde"));
        document.close();
    }
    
    protected class PageRotationEventHandler implements IEventHandler {
        protected PdfNumber rotation = PORTRAIT;
 
        public void setRotation(PdfNumber orientation) {
            this.rotation = orientation;
        }
 
        @Override
        public void handleEvent(Event event) {
            PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
            docEvent.getPage().put(PdfName.Rotate, rotation);
        }
    }
}
C#
using System;
using System.IO;
using iText.Kernel.Events;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;

namespace iText.Highlevel.Chapter07 {
    public class C07E01_EventHandlers {
        public const String DEST = "../../../results/chapter07/jekyll_hyde_page_orientation.pdf";

        public static readonly PdfNumber PORTRAIT = new PdfNumber(0);

        public static readonly PdfNumber LANDSCAPE = new PdfNumber(90);

        public static readonly PdfNumber INVERTEDPORTRAIT = new PdfNumber(180);

        public static readonly PdfNumber SEASCAPE = new PdfNumber(270);

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E01_EventHandlers().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            pdf.GetCatalog().SetPageLayout(PdfName.TwoColumnLeft);
            C07E01_EventHandlers.PageRotationEventHandler eventHandler = new PageRotationEventHandler();
            pdf.AddEventHandler(PdfDocumentEvent.START_PAGE, eventHandler);
            Document document = new Document(pdf, PageSize.A8);
            document.Add(new Paragraph("Dr. Jekyll"));
            eventHandler.SetRotation(INVERTEDPORTRAIT);
            document.Add(new AreaBreak());
            document.Add(new Paragraph("Mr. Hyde"));
            eventHandler.SetRotation(LANDSCAPE);
            document.Add(new AreaBreak());
            document.Add(new Paragraph("Dr. Jekyll"));
            eventHandler.SetRotation(SEASCAPE);
            document.Add(new AreaBreak());
            document.Add(new Paragraph("Mr. Hyde"));
            document.Close();
        }

        protected internal class PageRotationEventHandler : IEventHandler {
            protected internal PdfNumber rotation = C07E01_EventHandlers.PORTRAIT;

            public virtual void SetRotation(PdfNumber orientation) {
                this.rotation = orientation;
            }

            public virtual void HandleEvent(Event @event) {
                PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
                docEvent.GetPage().Put(PdfName.Rotate, this.rotation);
            }

            internal PageRotationEventHandler() {
            }
        }
    }
}

c07e02_textwatermark

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.kernel.colors.Color;
import com.itextpdf.kernel.colors.DeviceCmyk;
import com.itextpdf.kernel.events.Event;
import com.itextpdf.kernel.events.IEventHandler;
import com.itextpdf.kernel.events.PdfDocumentEvent;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Div;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.hyphenation.HyphenationConfig;
import com.itextpdf.layout.properties.TextAlignment;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E02_TextWatermark {
    public static final String SRC = "src/main/resources/txt/jekyll_hyde.txt";
    public static final String DEST = "results/chapter07/jekyll_hydeV1.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E02_TextWatermark().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        //Initialize PDF document
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        pdf.addEventHandler(PdfDocumentEvent.END_PAGE,
                new TextWatermark());
        // Initialize document
        Document document = new Document(pdf);
        PdfFont font = PdfFontFactory.createFont(StandardFonts.TIMES_ROMAN);
        PdfFont bold = PdfFontFactory.createFont(StandardFonts.HELVETICA_BOLD);
        document.setTextAlignment(TextAlignment.JUSTIFIED)
            .setHyphenation(new HyphenationConfig("en", "uk", 3, 3));
        
        BufferedReader br = new BufferedReader(new FileReader(SRC));
        String line;
        Div div = new Div();
        while ((line = br.readLine()) != null) {
            document.add(new Paragraph(line)
                .setFont(bold).setFontSize(12)
                .setMarginBottom(0)
                .setKeepWithNext(true));
            div = new Div()
                .setFont(font).setFontSize(11)
                .setMarginBottom(18);
            while ((line = br.readLine()) != null) {
                div.add(
                    new Paragraph(line)
                        .setMarginBottom(0)
                        .setFirstLineIndent(36)
                        .setMultipliedLeading(1.2f)
                );
                if (line.isEmpty()) {
                    document.add(div);
                    break;
                }
            }
        }
        document.add(div);

        //Close document
        document.close();
    }
    protected class TextWatermark implements IEventHandler {
        
        Color lime, blue;
        PdfFont helvetica;

        protected TextWatermark() throws IOException {
            helvetica = PdfFontFactory.createFont(StandardFonts.HELVETICA);
            lime = new DeviceCmyk(0.208f, 0, 0.584f, 0);
            blue = new DeviceCmyk(0.445f, 0.0546f, 0, 0.0667f);
        }
        
        @Override
        public void handleEvent(Event event) {
            PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
            PdfDocument pdf = docEvent.getDocument();
            PdfPage page = docEvent.getPage();
            int pageNumber = pdf.getPageNumber(page);
            Rectangle pageSize = page.getPageSize();
            PdfCanvas pdfCanvas = new PdfCanvas(page.newContentStreamBefore(), page.getResources(), pdf);
            pdfCanvas.saveState()
                .setFillColor(pageNumber % 2 == 1 ? lime : blue)
                .rectangle(pageSize.getLeft(), pageSize.getBottom(),
                    pageSize.getWidth(), pageSize.getHeight())
                .fill().restoreState();
            if (pageNumber > 1) {
                pdfCanvas.beginText()
                    .setFontAndSize(helvetica, 10)
                    .moveText(pageSize.getWidth() / 2 - 120, pageSize.getTop() - 20)
                    .showText("The Strange Case of Dr. Jekyll and Mr. Hyde")
                    .moveText(120, -pageSize.getTop() + 40)
                    .showText(String.valueOf(pageNumber))
                    .endText();
            }
            pdfCanvas.release();
        }
    }
}
C#
using System;
using System.IO;

using iText.IO.Font;
using iText.IO.Font.Constants;
using iText.Kernel.Colors;
using iText.Kernel.Events;
using iText.Kernel.Font;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Hyphenation;
using iText.Layout.Properties;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E02_TextWatermark {
        public const String SRC = "../../../resources/txt/jekyll_hyde.txt";

        public const String DEST = "../../../results/chapter07/jekyll_hydeV1.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E02_TextWatermark().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            //Initialize PDF document
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            pdf.AddEventHandler(PdfDocumentEvent.END_PAGE, new TextWatermark());
            // Initialize document
            Document document = new Document(pdf);
            PdfFont font = PdfFontFactory.CreateFont(StandardFonts.TIMES_ROMAN);
            PdfFont bold = PdfFontFactory.CreateFont(StandardFonts.HELVETICA_BOLD);
            document.SetTextAlignment(TextAlignment.JUSTIFIED).SetHyphenation(new HyphenationConfig("en", "uk", 3, 3));
            StreamReader sr = File.OpenText(SRC);
            String line;
            Div div = new Div();
            while ((line = sr.ReadLine()) != null) {
                document.Add(new Paragraph(line).SetFont(bold).SetFontSize(12).SetMarginBottom(0).SetKeepWithNext(true));
                div = new Div().SetFont(font).SetFontSize(11).SetMarginBottom(18);
                while ((line = sr.ReadLine()) != null) {
                    div.Add(new Paragraph(line).SetMarginBottom(0).SetFirstLineIndent(36).SetMultipliedLeading(1.2f));
                    if (String.IsNullOrEmpty(line)) {
                        document.Add(div);
                        break;
                    }
                }
            }
            document.Add(div);
            //Close document
            document.Close();
        }

        protected internal class TextWatermark : IEventHandler {
            internal Color lime;

            internal Color blue;

            internal PdfFont helvetica;

            protected internal TextWatermark() {
                this.helvetica = PdfFontFactory.CreateFont(StandardFonts.HELVETICA);
                this.lime = new DeviceCmyk(0.208f, 0, 0.584f, 0);
                this.blue = new DeviceCmyk(0.445f, 0.0546f, 0, 0.0667f);
            }

            public virtual void HandleEvent(Event @event) {
                PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
                PdfDocument pdf = docEvent.GetDocument();
                PdfPage page = docEvent.GetPage();
                int pageNumber = pdf.GetPageNumber(page);
                Rectangle pageSize = page.GetPageSize();
                PdfCanvas pdfCanvas = new PdfCanvas(page.NewContentStreamBefore(), page.GetResources(), pdf);
                pdfCanvas.SaveState().SetFillColor(pageNumber % 2 == 1 ? this.lime : this.blue).Rectangle(pageSize.GetLeft
                    (), pageSize.GetBottom(), pageSize.GetWidth(), pageSize.GetHeight()).Fill().RestoreState();
                if (pageNumber > 1) {
                    pdfCanvas.BeginText().SetFontAndSize(this.helvetica, 10).MoveText(pageSize.GetWidth() / 2 - 120, pageSize.
                        GetTop() - 20).ShowText("The Strange Case of Dr. Jekyll and Mr. Hyde").MoveText(120, -pageSize.GetTop(
                        ) + 40).ShowText(pageNumber.ToString()).EndText();
                }
                pdfCanvas.Release();
            }
        }
    }
}

c07e03_pagexofy

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.kernel.events.Event;
import com.itextpdf.kernel.events.IEventHandler;
import com.itextpdf.kernel.events.PdfDocumentEvent;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;
import com.itextpdf.layout.Canvas;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Div;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.hyphenation.HyphenationConfig;
import com.itextpdf.layout.properties.TextAlignment;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E03_PageXofY {
    public static final String SRC = "src/main/resources/txt/jekyll_hyde.txt";
    public static final String DEST = "results/chapter07/jekyll_hydeV2.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E03_PageXofY().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        //Initialize PDF document
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        pdf.addEventHandler(PdfDocumentEvent.START_PAGE,
            new Header("The Strange Case of Dr. Jekyll and Mr. Hyde"));
        PageXofY event = new PageXofY(pdf);
        pdf.addEventHandler(PdfDocumentEvent.END_PAGE, event);
        // Initialize document
        Document document = new Document(pdf);
        PdfFont font = PdfFontFactory.createFont(StandardFonts.TIMES_ROMAN);
        PdfFont bold = PdfFontFactory.createFont(StandardFonts.HELVETICA_BOLD);
        document.setTextAlignment(TextAlignment.JUSTIFIED)
            .setHyphenation(new HyphenationConfig("en", "uk", 3, 3));
        
        BufferedReader br = new BufferedReader(new FileReader(SRC));
        String line;
        Div div = new Div();
        while ((line = br.readLine()) != null) {
            document.add(new Paragraph(line)
                .setFont(bold).setFontSize(12)
                .setMarginBottom(0)
                .setKeepWithNext(true));
            div = new Div()
                .setFont(font).setFontSize(11)
                .setMarginBottom(18);
            while ((line = br.readLine()) != null) {
                div.add(
                    new Paragraph(line)
                        .setMarginBottom(0)
                        .setFirstLineIndent(36)
                        .setMultipliedLeading(1.2f)
                );
                if (line.isEmpty()) {
                    document.add(div);
                    break;
                }
            }
        }
        document.add(div);
        event.writeTotal(pdf);
        //Close document
        document.close();
    }
    
    protected class Header implements IEventHandler {
        String header;
        
        public Header(String header) {
            this.header = header;
        }
        
        @Override
        public void handleEvent(Event event) {
            PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
            PdfDocument pdf = docEvent.getDocument();
            PdfPage page = docEvent.getPage();
            if (pdf.getPageNumber(page) == 1) return;
            Rectangle pageSize = page.getPageSize();
            PdfCanvas pdfCanvas = new PdfCanvas(
                page.getLastContentStream(), page.getResources(), pdf);
            Canvas canvas = new Canvas(pdfCanvas, pageSize);
            canvas.showTextAligned(header,
                pageSize.getWidth() / 2,
                pageSize.getTop() - 30, TextAlignment.CENTER);
        }
    }
    
    protected class PageXofY implements IEventHandler {
        
        protected PdfFormXObject placeholder;
        protected float side = 20;
        protected float x = 300;
        protected float y = 25;
        protected float space = 4.5f;
        protected float descent = 3;
        
        public PageXofY(PdfDocument pdf) {
            placeholder = new PdfFormXObject(new Rectangle(0, 0, side, side));
        }
        
        @Override
        public void handleEvent(Event event) {
            PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
            PdfDocument pdf = docEvent.getDocument();
            PdfPage page = docEvent.getPage();
            int pageNumber = pdf.getPageNumber(page);
            Rectangle pageSize = page.getPageSize();
            PdfCanvas pdfCanvas = new PdfCanvas(
                page.getLastContentStream(), page.getResources(), pdf);
            Canvas canvas = new Canvas(pdfCanvas, pageSize);
            Paragraph p = new Paragraph()
                .add("Page ").add(String.valueOf(pageNumber)).add(" of");
            canvas.showTextAligned(p, x, y, TextAlignment.RIGHT);
            pdfCanvas.addXObjectAt(placeholder, x + space, y - descent);
            pdfCanvas.release();
        }
        
        public void writeTotal(PdfDocument pdf) {
            Canvas canvas = new Canvas(placeholder, pdf);
            canvas.showTextAligned(String.valueOf(pdf.getNumberOfPages()),
                0, descent, TextAlignment.LEFT);
        }
    }
}
C#
using System;
using System.IO;

using iText.IO.Font.Constants;
using iText.Kernel.Events;
using iText.Kernel.Font;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Xobject;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Hyphenation;
using iText.Layout.Properties;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E03_PageXofY {
        public const String SRC = "../../../resources/txt/jekyll_hyde.txt";

        public const String DEST = "../../../results/chapter07/jekyll_hydeV2.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E03_PageXofY().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            //Initialize PDF document
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            pdf.AddEventHandler(PdfDocumentEvent.START_PAGE, new C07E03_PageXofY.Header("The Strange Case of Dr. Jekyll and Mr. Hyde"));
            C07E03_PageXofY.PageXofY @event = new C07E03_PageXofY.PageXofY(pdf);
            pdf.AddEventHandler(PdfDocumentEvent.END_PAGE, @event);
            // Initialize document
            Document document = new Document(pdf);
            PdfFont font = PdfFontFactory.CreateFont(StandardFonts.TIMES_ROMAN);
            PdfFont bold = PdfFontFactory.CreateFont(StandardFonts.HELVETICA_BOLD);
            document.SetTextAlignment(TextAlignment.JUSTIFIED).SetHyphenation(new HyphenationConfig("en", "uk", 3, 3));
            StreamReader sr = File.OpenText(SRC);
            String line;
            Div div = new Div();
            while ((line = sr.ReadLine()) != null) {
                document.Add(new Paragraph(line).SetFont(bold).SetFontSize(12).SetMarginBottom(0).SetKeepWithNext(true));
                div = new Div().SetFont(font).SetFontSize(11).SetMarginBottom(18);
                while ((line = sr.ReadLine()) != null) {
                    div.Add(new Paragraph(line).SetMarginBottom(0).SetFirstLineIndent(36).SetMultipliedLeading(1.2f));
                    if (String.IsNullOrEmpty(line)) {
                        document.Add(div);
                        break;
                    }
                }
            }
            document.Add(div);
            @event.WriteTotal(pdf);
            //Close document
            document.Close();
        }

        protected internal class Header : IEventHandler {
            internal String header;

            public Header(String header) {
                this.header = header;
            }

            public virtual void HandleEvent(Event @event) {
                PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
                PdfDocument pdf = docEvent.GetDocument();
                PdfPage page = docEvent.GetPage();
                if (pdf.GetPageNumber(page) == 1) {
                    return;
                }
                Rectangle pageSize = page.GetPageSize();
                PdfCanvas pdfCanvas = new PdfCanvas(page.GetLastContentStream(), page.GetResources(), pdf);
                iText.Layout.Canvas canvas = new iText.Layout.Canvas(pdfCanvas, pageSize);
                canvas.ShowTextAligned(this.header, pageSize.GetWidth() / 2, pageSize.GetTop() - 30, TextAlignment.CENTER);
            }
        }

        protected internal class PageXofY : IEventHandler {
            protected internal PdfFormXObject placeholder;

            protected internal float side = 20;

            protected internal float x = 300;

            protected internal float y = 25;

            protected internal float space = 4.5f;

            protected internal float descent = 3;

            public PageXofY(PdfDocument pdf) {
                this.placeholder = new PdfFormXObject(new Rectangle(0, 0, this.side, this.side));
            }

            public virtual void HandleEvent(Event @event) {
                PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
                PdfDocument pdf = docEvent.GetDocument();
                PdfPage page = docEvent.GetPage();
                int pageNumber = pdf.GetPageNumber(page);
                Rectangle pageSize = page.GetPageSize();
                PdfCanvas pdfCanvas = new PdfCanvas(page.GetLastContentStream(), page.GetResources(), pdf);
                iText.Layout.Canvas canvas = new iText.Layout.Canvas(pdfCanvas, pageSize);
                Paragraph p = new Paragraph().Add("Page ").Add(pageNumber.ToString()).Add(" of");
                canvas.ShowTextAligned(p, this.x, this.y, TextAlignment.RIGHT);
                pdfCanvas.AddXObjectAt(this.placeholder, this.x + this.space, this.y - this.descent);
                pdfCanvas.Release();
            }

            public virtual void WriteTotal(PdfDocument pdf) {
                iText.Layout.Canvas canvas = new iText.Layout.Canvas(this.placeholder, pdf);
                canvas.ShowTextAligned(pdf.GetNumberOfPages().ToString(), 0, this.descent, TextAlignment.LEFT);
            }
        }
    }
}

c07e04_imagewatermark

CODE
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.io.image.ImageDataFactory;
import com.itextpdf.kernel.events.Event;
import com.itextpdf.kernel.events.IEventHandler;
import com.itextpdf.kernel.events.PdfDocumentEvent;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.action.PdfAction;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.canvas.draw.DottedLine;
import com.itextpdf.kernel.pdf.extgstate.PdfExtGState;
import com.itextpdf.layout.Canvas;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.element.Image;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Tab;
import com.itextpdf.layout.element.TabStop;
import com.itextpdf.layout.hyphenation.HyphenationConfig;
import com.itextpdf.layout.layout.LayoutContext;
import com.itextpdf.layout.layout.LayoutResult;
import com.itextpdf.layout.properties.AreaBreakType;
import com.itextpdf.layout.properties.TabAlignment;
import com.itextpdf.layout.properties.TextAlignment;
import com.itextpdf.layout.renderer.ParagraphRenderer;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.AbstractMap.SimpleEntry;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E04_ImageWatermark {
    public static final String SRC = "src/main/resources/txt/jekyll_hyde.txt";
    public static final String IMG = "src/main/resources/img/3132614.jpg";
    public static final String DEST = "results/chapter07/jekyll_hydeV3.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E04_ImageWatermark().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        //Initialize PDF document
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        Image img = new Image(ImageDataFactory.create(IMG));
        IEventHandler handler = new TransparentImage(img);
        pdf.addEventHandler(PdfDocumentEvent.START_PAGE, handler);
        // Initialize document
        Document document = new Document(pdf);
        PdfFont bold = PdfFontFactory.createFont(StandardFonts.HELVETICA_BOLD);
        document.setTextAlignment(TextAlignment.JUSTIFIED)
            .setHyphenation(new HyphenationConfig("en", "uk", 3, 3));

        BufferedReader br = new BufferedReader(new FileReader(SRC));
        String name, line;
        Paragraph p;
        boolean title = true;
        int counter = 0;
        List<SimpleEntry<String,SimpleEntry<String, Integer>>> toc = new ArrayList<>();
        while ((line = br.readLine()) != null) {
            p = new Paragraph(line);
            p.setKeepTogether(true);
            if (title) {
                name = String.format("title%02d", counter++);
                SimpleEntry<String, Integer> titlePage
                        = new SimpleEntry(line, pdf.getNumberOfPages());
                p.setFont(bold).setFontSize(12)
                    .setKeepWithNext(true)
                    .setDestination(name)
                    .setNextRenderer(new UpdatePageRenderer(p, titlePage));
                title = false;
                document.add(p);
                toc.add(new SimpleEntry(name, titlePage));
            }
            else {
                p.setFirstLineIndent(36);
                if (line.isEmpty()) {
                    p.setMarginBottom(12);
                    title = true;
                }
                else {
                    p.setMarginBottom(0);
                }
                document.add(p);
            }
        }
        
        pdf.removeEventHandler(PdfDocumentEvent.START_PAGE, handler);
        document.add(new AreaBreak(AreaBreakType.NEXT_PAGE));
        
        p = new Paragraph().setFont(bold)
            .add("Table of Contents").setDestination("toc");
        document.add(p);
        
        toc.remove(0);
        List<TabStop> tabstops = new ArrayList();
        tabstops.add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
        for (SimpleEntry<String, SimpleEntry<String, Integer>> entry : toc) {
            SimpleEntry<String, Integer> text = entry.getValue();
            p = new Paragraph()
                .addTabStops(tabstops)
                .add(text.getKey())
                .add(new Tab())
                .add(String.valueOf(text.getValue()))
                .setAction(PdfAction.createGoTo(entry.getKey()));
            document.add(p);
        }

        //Close document
        document.close();
    }
    
    protected class UpdatePageRenderer extends ParagraphRenderer {
        protected SimpleEntry<String, Integer> entry;

        public UpdatePageRenderer(Paragraph modelElement, SimpleEntry<String, Integer> entry) {
            super(modelElement);
            this.entry = entry;
        }

        @Override
        public LayoutResult layout(LayoutContext layoutContext) {
            LayoutResult result = super.layout(layoutContext);
            entry.setValue(layoutContext.getArea().getPageNumber());
            return result;
        }
    }
    
    protected class TransparentImage implements IEventHandler {

        protected PdfExtGState gState;
        protected Image img;
        
        public TransparentImage(Image img) {
            this.img = img;
            gState = new PdfExtGState().setFillOpacity(0.2f);
        }
        
        @Override
        public void handleEvent(Event event) {
            PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
            PdfDocument pdf = docEvent.getDocument();
            PdfPage page = docEvent.getPage();
            Rectangle pageSize = page.getPageSize();
            PdfCanvas pdfCanvas = new PdfCanvas(
                page.getLastContentStream(), page.getResources(), pdf);
            pdfCanvas.saveState().setExtGState(gState);
            Canvas canvas = new Canvas(pdfCanvas, page.getPageSize());
            canvas.add(img
                .scaleAbsolute(pageSize.getWidth(), pageSize.getHeight()));
            pdfCanvas.restoreState();
            pdfCanvas.release();
        }
    }
}
C#
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;

using iText.IO.Font.Constants;
using iText.IO.Image;
using iText.Kernel.Events;
using iText.Kernel.Font;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Action;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Canvas.Draw;
using iText.Kernel.Pdf.Extgstate;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Hyphenation;
using iText.Layout.Layout;
using iText.Layout.Properties;
using iText.Layout.Renderer;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E04_ImageWatermark {
        public const String SRC = "../../../resources/txt/jekyll_hyde.txt";

        public const String IMG = "../../../resources/img/3132614.jpg";

        public const String DEST = "../../../results/chapter07/jekyll_hydeV3.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E04_ImageWatermark().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            //Initialize PDF document
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            iText.Layout.Element.Image img = new Image(ImageDataFactory.Create(IMG));
            IEventHandler handler = new TransparentImage( img);
            pdf.AddEventHandler(PdfDocumentEvent.START_PAGE, handler);
            // Initialize document
            Document document = new Document(pdf);
            PdfFont bold = PdfFontFactory.CreateFont(StandardFonts.HELVETICA_BOLD);
            document.SetTextAlignment(TextAlignment.JUSTIFIED).SetHyphenation(new HyphenationConfig("en", "uk", 3, 3));
            StreamReader sr = File.OpenText(SRC);
            String name;
            String line;
            Paragraph p;
            bool title = true;
            int counter = 0;
            IList<Util.Pair<String, Util.Pair<String, int>>> toc = new List<Util.Pair
                <String, Util.Pair<String, int>>>();
            while ((line = sr.ReadLine()) != null) {
                p = new Paragraph(line);
                p.SetKeepTogether(true);
                if (title) {
                    name = String.Format("title{0:00}", counter++);
                    Util.Pair<String, int> titlePage = new Util.Pair<string,int>(line, pdf.GetNumberOfPages());
                    p.SetFont(bold).
                        SetFontSize(12)
                        .SetKeepWithNext(true)
                        .SetDestination(name)
                        .SetNextRenderer(new UpdatePageRenderer(p, titlePage));
                    title = false;
                    document.Add(p);
                    toc.Add(new Util.Pair<string,Util.Pair<string,int>>(name, titlePage));
                }
                else {
                    p.SetFirstLineIndent(36);
                    if (String.IsNullOrEmpty(line)) {
                        p.SetMarginBottom(12);
                        title = true;
                    }
                    else {
                        p.SetMarginBottom(0);
                    }
                    document.Add(p);
                }
            }
            pdf.RemoveEventHandler(PdfDocumentEvent.START_PAGE, handler);
            document.Add(new AreaBreak(AreaBreakType.NEXT_PAGE));
            p = new Paragraph().SetFont(bold).Add("Table of Contents").SetDestination("toc");
            document.Add(p);
            toc.RemoveAt(0);
            IList<TabStop> tabstops = new List<TabStop>();
            tabstops.Add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
            foreach (Util.Pair<String, Util.Pair<String, int>> entry in toc) {
                Util.Pair<String, int> text = entry.Value;
                p = new Paragraph().AddTabStops(tabstops).Add(text.Key).Add(new Tab()).Add(text.Value.ToString()).SetAction
                    (PdfAction.CreateGoTo(entry.Key));
                document.Add(p);
            }
            //Close document
            document.Close();
        }

        protected internal class UpdatePageRenderer : ParagraphRenderer {
            protected internal Util.Pair<String, int> entry;

            public UpdatePageRenderer(Paragraph modelElement, Util.Pair
                <String, int> entry)
                : base(modelElement) {
                this.entry = entry;
            }

            public override LayoutResult Layout(LayoutContext layoutContext) {
                LayoutResult result = base.Layout(layoutContext);
                this.entry.Value = layoutContext.GetArea().GetPageNumber();
                return result;
            }
        }

        protected internal class TransparentImage : IEventHandler {
            protected internal PdfExtGState gState;

            protected internal iText.Layout.Element.Image img;

            public TransparentImage(iText.Layout.Element.Image img) {
                this.img = img;
                this.gState = new PdfExtGState().SetFillOpacity(0.2f);
            }

            public virtual void HandleEvent(Event @event) {
                PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
                PdfDocument pdf = docEvent.GetDocument();
                PdfPage page = docEvent.GetPage();
                Rectangle pageSize = page.GetPageSize();
                PdfCanvas pdfCanvas = new PdfCanvas(page.GetLastContentStream(), page.GetResources(), pdf);
                pdfCanvas.SaveState().SetExtGState(this.gState);
                iText.Layout.Canvas canvas = new iText.Layout.Canvas(pdfCanvas, page.GetPageSize());
                canvas.Add(this.img.ScaleAbsolute(pageSize.GetWidth(), pageSize.GetHeight()));
                pdfCanvas.RestoreState();
                pdfCanvas.Release();
            }
        }
    }
}

c07e05_addremovepages

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.kernel.events.Event;
import com.itextpdf.kernel.events.IEventHandler;
import com.itextpdf.kernel.events.PdfDocumentEvent;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.layout.Canvas;
import com.itextpdf.layout.element.Paragraph;
import java.io.File;
import java.io.IOException;

public class C07E05_AddRemovePages {

    public static final String SRC = "src/main/resources/pdfs/jekyll_hyde_bookmarked.pdf";
    public static final String DEST = "results/chapter07/jekyll_hyde_updated.pdf";

    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E05_AddRemovePages().manipulatePdf(SRC, DEST);
    }

    public void manipulatePdf(String src, String dest) throws IOException {
        PdfReader reader = new PdfReader(src);
        PdfWriter writer = new PdfWriter(dest);
        PdfDocument pdf = new PdfDocument(reader, writer);
        pdf.addEventHandler(PdfDocumentEvent.INSERT_PAGE, new AddPageHandler());
        pdf.addEventHandler(PdfDocumentEvent.REMOVE_PAGE, new RemovePageHandler());
        pdf.addNewPage(1, PageSize.A4);
        int total = pdf.getNumberOfPages();
        for (int i = 9; i <= total; i++) {
            pdf.removePage(9);
            if (i == 12)
                pdf.removeAllHandlers();
        }
        pdf.close();
    }

    protected class AddPageHandler implements IEventHandler {

        @Override
        public void handleEvent(Event event) {
            PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
            PdfDocument pdf = docEvent.getDocument();
            PdfPage page = docEvent.getPage();
            PdfCanvas pdfCanvas = new PdfCanvas(page);
            Canvas canvas = new Canvas(pdfCanvas, page.getPageSize());
            canvas.add(new Paragraph().add(docEvent.getType()));
        }

    }

    protected class RemovePageHandler implements IEventHandler {

        @Override
        public void handleEvent(Event event) {
            PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
            System.out.println(docEvent.getType());
        }

    }
}
C#
using System;
using System.IO;
using iText.Kernel.Events;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Layout.Element;

namespace iText.Highlevel.Chapter07 {
    public class C07E05_AddRemovePages {
        public const String SRC = "../../../resources/pdfs/jekyll_hyde_bookmarked.pdf";

        public const String DEST = "../../../results/chapter07/jekyll_hyde_updated.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E05_AddRemovePages().ManipulatePdf(SRC, DEST);
        }

        public virtual void ManipulatePdf(String src, String dest) {
            PdfReader reader = new PdfReader(src);
            PdfWriter writer = new PdfWriter(dest);
            PdfDocument pdf = new PdfDocument(reader, writer);
            pdf.AddEventHandler(PdfDocumentEvent.INSERT_PAGE, new AddPageHandler());
            pdf.AddEventHandler(PdfDocumentEvent.REMOVE_PAGE, new RemovePageHandler());
            pdf.AddNewPage(1, PageSize.A4);
            int total = pdf.GetNumberOfPages();
            for (int i = 9; i <= total; i++) {
                pdf.RemovePage(9);
                if (i == 12) {
                    pdf.RemoveAllHandlers();
                }
            }
            pdf.Close();
        }

        protected internal class AddPageHandler : IEventHandler {
            public virtual void HandleEvent(Event @event) {
                PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
                PdfDocument pdf = docEvent.GetDocument();
                PdfPage page = docEvent.GetPage();
                PdfCanvas pdfCanvas = new PdfCanvas(page);
                iText.Layout.Canvas canvas = new iText.Layout.Canvas(pdfCanvas, page.GetPageSize());
                canvas.Add(new Paragraph().Add(docEvent.GetEventType()));
            }

            internal AddPageHandler() {
            }

        }

        protected internal class RemovePageHandler : IEventHandler {
            public virtual void HandleEvent(Event @event) {
                PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
                System.Console.Out.WriteLine(docEvent.GetEventType());
            }

            internal RemovePageHandler() {
            }
        }
    }
}

c07e06_pagelabels

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.pdf.PageLabelNumberingStyle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.action.PdfAction;
import com.itextpdf.kernel.pdf.canvas.draw.DottedLine;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Tab;
import com.itextpdf.layout.element.TabStop;
import com.itextpdf.layout.hyphenation.HyphenationConfig;
import com.itextpdf.layout.properties.AreaBreakType;
import com.itextpdf.layout.properties.TabAlignment;
import com.itextpdf.layout.properties.TextAlignment;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E06_PageLabels {
    
    public static final String SRC = "src/main/resources/txt/jekyll_hyde.txt";
    public static final String DEST = "results/chapter07/pagelabels.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E06_PageLabels().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        PdfPage page = pdf.addNewPage();
        page.setPageLabel(PageLabelNumberingStyle.LOWERCASE_ROMAN_NUMERALS, null);
        
        Document document = new Document(pdf);
        document.add(new Paragraph().add("Page left blank intentionally"));
        document.add(new AreaBreak());
        document.add(new Paragraph().add("Page left blank intentionally"));
        document.add(new AreaBreak());
        document.add(new Paragraph().add("Page left blank intentionally"));
        document.add(new AreaBreak());
        page = pdf.getLastPage();
        page.setPageLabel(PageLabelNumberingStyle.DECIMAL_ARABIC_NUMERALS, null, 1);
                PdfFont font = PdfFontFactory.createFont(StandardFonts.TIMES_ROMAN);
        PdfFont bold = PdfFontFactory.createFont(StandardFonts.HELVETICA_BOLD);
        document.setTextAlignment(TextAlignment.JUSTIFIED)
            .setHyphenation(new HyphenationConfig("en", "uk", 3, 3))
            .setFont(font)
            .setFontSize(11);
        
        BufferedReader br = new BufferedReader(new FileReader(SRC));
        String name, line;
        Paragraph p;
        boolean title = true;
        int counter = 0;
        List<AbstractMap.SimpleEntry<String,AbstractMap.SimpleEntry<String, Integer>>> toc = new ArrayList<>();
        while ((line = br.readLine()) != null) {
            p = new Paragraph(line);
            p.setKeepTogether(true);
            if (title) {
                name = String.format("title%02d", counter++);
                p.setFont(bold).setFontSize(12)
                    .setKeepWithNext(true)
                    .setDestination(name);
                title = false;
                document.add(p);
                toc.add(new AbstractMap.SimpleEntry(name, new AbstractMap.SimpleEntry(line, pdf.getNumberOfPages())));
            }
            else {
                p.setFirstLineIndent(36);
                if (line.isEmpty()) {
                    p.setMarginBottom(12);
                    title = true;
                }
                else {
                    p.setMarginBottom(0);
                }
                document.add(p);
            }
        }
        
        document.add(new AreaBreak(AreaBreakType.NEXT_PAGE));
        
        p = new Paragraph().setFont(bold)
            .add("Table of Contents").setDestination("toc");
        document.add(p);
        page = pdf.getLastPage();
        page.setPageLabel(null, "TOC", 1);
        
        toc.remove(0);
        List<TabStop> tabstops = new ArrayList();
        tabstops.add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
        for (AbstractMap.SimpleEntry<String, AbstractMap.SimpleEntry<String, Integer>> entry : toc) {
            AbstractMap.SimpleEntry<String, Integer> text = entry.getValue();
            p = new Paragraph()
                .addTabStops(tabstops)
                .add(text.getKey())
                .add(new Tab())
                .add(String.valueOf(text.getValue()))
                .setAction(PdfAction.createGoTo(entry.getKey()));
            document.add(p);
        }
        
        document.close();
    }
}
C#
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;

using iText.IO.Font.Constants;
using iText.Kernel.Font;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Action;
using iText.Kernel.Pdf.Canvas.Draw;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Hyphenation;
using iText.Layout.Properties;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E06_PageLabels {
        public const String SRC = "../../../resources/txt/jekyll_hyde.txt";

        public const String DEST = "../../../results/chapter07/pagelabels.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E06_PageLabels().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            PdfPage page = pdf.AddNewPage();
            page.SetPageLabel(PageLabelNumberingStyle.LOWERCASE_ROMAN_NUMERALS, null);
            Document document = new Document(pdf);
            document.Add(new Paragraph().Add("Page left blank intentionally"));
            document.Add(new AreaBreak());
            document.Add(new Paragraph().Add("Page left blank intentionally"));
            document.Add(new AreaBreak());
            document.Add(new Paragraph().Add("Page left blank intentionally"));
            document.Add(new AreaBreak());
            page = pdf.GetLastPage();
            page.SetPageLabel(PageLabelNumberingStyle.DECIMAL_ARABIC_NUMERALS, null, 1);
            PdfFont font = PdfFontFactory.CreateFont(StandardFonts.TIMES_ROMAN);
            PdfFont bold = PdfFontFactory.CreateFont(StandardFonts.HELVETICA_BOLD);
            document.SetTextAlignment(TextAlignment.JUSTIFIED).SetHyphenation(new HyphenationConfig("en", "uk", 3, 3))
                .SetFont(font).SetFontSize(11);
            StreamReader sr = File.OpenText(SRC);
            String name;
            String line;
            Paragraph p;
            bool title = true;
            int counter = 0;
            IList<Util.Pair<String, Util.Pair<String, int>>> toc = new List<Util.Pair
                <String, Util.Pair<String, int>>>();
            while ((line = sr.ReadLine()) != null) {
                p = new Paragraph(line);
                p.SetKeepTogether(true);
                if (title) {
                    name = String.Format("title{0:00}", counter++);
                    p.SetFont(bold).SetFontSize(12).SetKeepWithNext(true).SetDestination(name);
                    title = false;
                    document.Add(p);
                    toc.Add(new Util.Pair<string,Util.Pair<string, int>>(name, new Util.Pair<String,int>(line, pdf.GetNumberOfPages())));
                }
                else {
                    p.SetFirstLineIndent(36);
                    if (String.IsNullOrEmpty(line)) {
                        p.SetMarginBottom(12);
                        title = true;
                    }
                    else {
                        p.SetMarginBottom(0);
                    }
                    document.Add(p);
                }
            }
            document.Add(new AreaBreak(AreaBreakType.NEXT_PAGE));
            p = new Paragraph().SetFont(bold).Add("Table of Contents").SetDestination("toc");
            document.Add(p);
            page = pdf.GetLastPage();
            page.SetPageLabel(null,  "TOC", 1);
            toc.RemoveAt(0);
            IList<TabStop> tabstops = new List<TabStop>();
            tabstops.Add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
            foreach (Util.Pair<String, Util.Pair<String, int>> entry in toc) {
                Util.Pair<String, int> text = entry.Value;
                p = new Paragraph().AddTabStops(tabstops).Add(text.Key).Add(new Tab()).Add(text.Value.ToString()).SetAction
                    (PdfAction.CreateGoTo(entry.Key));
                document.Add(p);
            }
            document.Close();
        }
    }
}

c07e07_pagelayoutpagemode

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.pdf.PageLabelNumberingStyle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfName;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.action.PdfAction;
import com.itextpdf.kernel.pdf.canvas.draw.DottedLine;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Tab;
import com.itextpdf.layout.element.TabStop;
import com.itextpdf.layout.hyphenation.HyphenationConfig;
import com.itextpdf.layout.properties.AreaBreakType;
import com.itextpdf.layout.properties.TabAlignment;
import com.itextpdf.layout.properties.TextAlignment;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E07_PageLayoutPageMode {
    
    public static final String SRC = "src/main/resources/txt/jekyll_hyde.txt";
    public static final String DEST = "results/chapter07/page_mode_page_layout.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E07_PageLayoutPageMode().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        pdf.getCatalog().setPageLayout(PdfName.TwoColumnRight);
        pdf.getCatalog().setPageMode(PdfName.UseThumbs);
        PdfPage page = pdf.addNewPage();
        page.setPageLabel(PageLabelNumberingStyle.LOWERCASE_ROMAN_NUMERALS, null);
        
        Document document = new Document(pdf);
        document.add(new Paragraph().add("Page left blank intentionally"));
        document.add(new AreaBreak());
        document.add(new Paragraph().add("Page left blank intentionally"));
        document.add(new AreaBreak());
        document.add(new Paragraph().add("Page left blank intentionally"));
        document.add(new AreaBreak());
        page = pdf.getLastPage();
        page.setPageLabel(PageLabelNumberingStyle.DECIMAL_ARABIC_NUMERALS, null, 1);
                PdfFont font = PdfFontFactory.createFont(StandardFonts.TIMES_ROMAN);
        PdfFont bold = PdfFontFactory.createFont(StandardFonts.HELVETICA_BOLD);
        document.setTextAlignment(TextAlignment.JUSTIFIED)
            .setHyphenation(new HyphenationConfig("en", "uk", 3, 3))
            .setFont(font)
            .setFontSize(11);
        
        BufferedReader br = new BufferedReader(new FileReader(SRC));
        String name, line;
        Paragraph p;
        boolean title = true;
        int counter = 0;
        List<AbstractMap.SimpleEntry<String,AbstractMap.SimpleEntry<String, Integer>>> toc = new ArrayList<>();
        while ((line = br.readLine()) != null) {
            p = new Paragraph(line);
            p.setKeepTogether(true);
            if (title) {
                name = String.format("title%02d", counter++);
                p.setFont(bold).setFontSize(12)
                    .setKeepWithNext(true)
                    .setDestination(name);
                title = false;
                document.add(p);
                toc.add(new AbstractMap.SimpleEntry(name, new AbstractMap.SimpleEntry(line, pdf.getNumberOfPages())));
            }
            else {
                p.setFirstLineIndent(36);
                if (line.isEmpty()) {
                    p.setMarginBottom(12);
                    title = true;
                }
                else {
                    p.setMarginBottom(0);
                }
                document.add(p);
            }
        }
        
        document.add(new AreaBreak(AreaBreakType.NEXT_PAGE));
        
        p = new Paragraph().setFont(bold)
            .add("Table of Contents").setDestination("toc");
        document.add(p);
        page = pdf.getLastPage();
        page.setPageLabel(null, "TOC", 1);
        
        toc.remove(0);
        List<TabStop> tabstops = new ArrayList();
        tabstops.add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
        for (AbstractMap.SimpleEntry<String, AbstractMap.SimpleEntry<String, Integer>> entry : toc) {
            AbstractMap.SimpleEntry<String, Integer> text = entry.getValue();
            p = new Paragraph()
                .addTabStops(tabstops)
                .add(text.getKey())
                .add(new Tab())
                .add(String.valueOf(text.getValue()))
                .setAction(PdfAction.createGoTo(entry.getKey()));
            document.add(p);
        }
        
        document.close();
    }
}
C#
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;

using iText.IO.Font.Constants;
using iText.Kernel.Font;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Action;
using iText.Kernel.Pdf.Canvas.Draw;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Hyphenation;
using iText.Layout.Properties;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E07_PageLayoutPageMode {
        public const String SRC = "../../../resources/txt/jekyll_hyde.txt";

        public const String DEST = "../../../results/chapter07/page_mode_page_layout.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E07_PageLayoutPageMode().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            pdf.GetCatalog().SetPageLayout(PdfName.TwoColumnRight);
            pdf.GetCatalog().SetPageMode(PdfName.UseThumbs);
            PdfPage page = pdf.AddNewPage();
            page.SetPageLabel(PageLabelNumberingStyle.LOWERCASE_ROMAN_NUMERALS, null);
            Document document = new Document(pdf);
            document.Add(new Paragraph().Add("Page left blank intentionally"));
            document.Add(new AreaBreak());
            document.Add(new Paragraph().Add("Page left blank intentionally"));
            document.Add(new AreaBreak());
            document.Add(new Paragraph().Add("Page left blank intentionally"));
            document.Add(new AreaBreak());
            page = pdf.GetLastPage();
            page.SetPageLabel(PageLabelNumberingStyle.DECIMAL_ARABIC_NUMERALS, null, 1);
            PdfFont font = PdfFontFactory.CreateFont(StandardFonts.TIMES_ROMAN);
            PdfFont bold = PdfFontFactory.CreateFont(StandardFonts.HELVETICA_BOLD);
            document.SetTextAlignment(TextAlignment.JUSTIFIED).SetHyphenation(new HyphenationConfig("en", "uk", 3, 3))
                .SetFont(font).SetFontSize(11);
            StreamReader sr = File.OpenText(SRC);
            String name;
            String line;
            Paragraph p;
            bool title = true;
            int counter = 0;
            IList<Util.Pair<String, Util.Pair<String, int>>> toc = new List<Util.Pair
                <String, Util.Pair<String, int>>>();
            while ((line = sr.ReadLine()) != null) {
                p = new Paragraph(line);
                p.SetKeepTogether(true);
                if (title) {
                    name = String.Format("title{0:00}", counter++);
                    p.SetFont(bold).SetFontSize(12).SetKeepWithNext(true).SetDestination(name);
                    title = false;
                    document.Add(p);
                    toc.Add(new Util.Pair<string,Util.Pair<string,int>>(name, new Util.Pair<string,int>(line, pdf.GetNumberOfPages())));
                }
                else {
                    p.SetFirstLineIndent(36);
                    if (String.IsNullOrEmpty(line)) {
                        p.SetMarginBottom(12);
                        title = true;
                    }
                    else {
                        p.SetMarginBottom(0);
                    }
                    document.Add(p);
                }
            }
            document.Add(new AreaBreak(AreaBreakType.NEXT_PAGE));
            p = new Paragraph().SetFont(bold).Add("Table of Contents").SetDestination("toc");
            document.Add(p);
            page = pdf.GetLastPage();
            page.SetPageLabel(null, "TOC", 1);
            toc.RemoveAt(0);
            IList<TabStop> tabstops = new List<TabStop>();
            tabstops.Add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
            foreach (Util.Pair<String, Util.Pair<String, int>> entry in toc) {
                Util.Pair<String, int> text = entry.Value;
                p = new Paragraph().AddTabStops(tabstops).Add(text.Key).Add(new Tab()).Add(text.Value.ToString()).SetAction
                    (PdfAction.CreateGoTo(entry.Key));
                document.Add(p);
            }
            document.Close();
        }
    }
}

c07e08_fullscreen

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfName;
import com.itextpdf.kernel.pdf.PdfViewerPreferences;
import com.itextpdf.kernel.pdf.PdfViewerPreferences.PdfViewerPreferencesConstants;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.element.Paragraph;
import java.io.File;
import java.io.IOException;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E08_FullScreen {
    
    public static final String DEST = "results/chapter07/fullscreen.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E08_FullScreen().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        pdf.getCatalog().setPageMode(PdfName.FullScreen);
        PdfViewerPreferences preferences = new PdfViewerPreferences();
        preferences.setNonFullScreenPageMode(PdfViewerPreferencesConstants.USE_THUMBS);
        pdf.getCatalog().setViewerPreferences(preferences);
        Document document = new Document(pdf, PageSize.A8);
        document.add(new Paragraph("Mr. Jekyl"));
        document.add(new AreaBreak());
        document.add(new Paragraph("Mr. Hyde"));
        document.close();
    }
}
C#
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E08_FullScreen {
        public const String DEST = "../../../results/chapter07/fullscreen.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E08_FullScreen().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            pdf.GetCatalog().SetPageMode(PdfName.FullScreen);
            PdfViewerPreferences preferences = new PdfViewerPreferences();
            preferences.SetNonFullScreenPageMode(PdfViewerPreferences.PdfViewerPreferencesConstants.USE_THUMBS);
            pdf.GetCatalog().SetViewerPreferences(preferences);
            Document document = new Document(pdf, PageSize.A8);
            document.Add(new Paragraph("Mr. Jekyl"));
            document.Add(new AreaBreak());
            document.Add(new Paragraph("Mr. Hyde"));
            document.Close();
        }
    }
}

c07e09_viewerpreferences

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfDocumentInfo;
import com.itextpdf.kernel.pdf.PdfViewerPreferences;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import java.io.File;
import java.io.IOException;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E09_ViewerPreferences {
    
    public static final String DEST = "results/chapter07/viewerpreferences.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E09_ViewerPreferences().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        PdfViewerPreferences preferences = new PdfViewerPreferences();
        preferences.setFitWindow(true);
        preferences.setHideMenubar(true);
        preferences.setHideToolbar(true);
        preferences.setHideWindowUI(true);
        preferences.setCenterWindow(true);
        preferences.setDisplayDocTitle(true);
        pdf.getCatalog().setViewerPreferences(preferences);
        PdfDocumentInfo info = pdf.getDocumentInfo();
        info.setTitle("A Strange Case");
        Document document = new Document(pdf, PageSize.A4.rotate());
        document.add(new Paragraph("Mr. Jekyl and Mr. Hyde"));
        document.close();
    }
}
C#
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E09_ViewerPreferences {
        public const String DEST = "../../../results/chapter07/viewerpreferences.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E09_ViewerPreferences().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            PdfViewerPreferences preferences = new PdfViewerPreferences();
            preferences.SetFitWindow(true);
            preferences.SetHideMenubar(true);
            preferences.SetHideToolbar(true);
            preferences.SetHideWindowUI(true);
            preferences.SetCenterWindow(true);
            preferences.SetDisplayDocTitle(true);
            pdf.GetCatalog().SetViewerPreferences(preferences);
            PdfDocumentInfo info = pdf.GetDocumentInfo();
            info.SetTitle("A Strange Case");
            Document document = new Document(pdf, PageSize.A4.Rotate());
            document.Add(new Paragraph("Mr. Jekyl and Mr. Hyde"));
            document.Close();
        }
    }
}

c07e10_printerpreferences

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfDocumentInfo;
import com.itextpdf.kernel.pdf.PdfViewerPreferences;
import com.itextpdf.kernel.pdf.PdfViewerPreferences.PdfViewerPreferencesConstants;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import java.io.File;
import java.io.IOException;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E10_PrinterPreferences {
    
    public static final String DEST = "results/chapter07/printerpreferences.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E10_PrinterPreferences().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        PdfViewerPreferences preferences = new PdfViewerPreferences();
        preferences.setPrintScaling(PdfViewerPreferencesConstants.NONE);
        preferences.setNumCopies(5);
        pdf.getCatalog().setViewerPreferences(preferences);
        PdfDocumentInfo info = pdf.getDocumentInfo();
        info.setTitle("A Strange Case");
        Document document = new Document(pdf, PageSize.A4.rotate());
        document.add(new Paragraph("Mr. Jekyl and Mr. Hyde"));
        document.close();
    }
}
C#
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E10_PrinterPreferences {
        public const String DEST = "../../../results/chapter07/printerpreferences.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E10_PrinterPreferences().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            PdfViewerPreferences preferences = new PdfViewerPreferences();
            preferences.SetPrintScaling(PdfViewerPreferences.PdfViewerPreferencesConstants.NONE);
            preferences.SetNumCopies(5);
            pdf.GetCatalog().SetViewerPreferences(preferences);
            PdfDocumentInfo info = pdf.GetDocumentInfo();
            info.SetTitle("A Strange Case");
            Document document = new Document(pdf, PageSize.A4.Rotate());
            document.Add(new Paragraph("Mr. Jekyl and Mr. Hyde"));
            document.Close();
        }
    }
}

c07e11_actions

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfName;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.PdfString;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.action.PdfAction;
import com.itextpdf.kernel.pdf.canvas.draw.DottedLine;
import com.itextpdf.kernel.pdf.navigation.PdfDestination;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Tab;
import com.itextpdf.layout.element.TabStop;
import com.itextpdf.layout.hyphenation.HyphenationConfig;
import com.itextpdf.layout.properties.AreaBreakType;
import com.itextpdf.layout.properties.TabAlignment;
import com.itextpdf.layout.properties.TextAlignment;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.AbstractMap.SimpleEntry;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E11_Actions {
    public static final String SRC = "src/main/resources/txt/jekyll_hyde.txt";
    public static final String DEST = "results/chapter07/jekyll_hyde_document_actions.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E11_Actions().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        //Initialize PDF document
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
        pdf.getCatalog().setOpenAction(
                PdfDestination.makeDestination(new PdfString("toc")));
        pdf.getCatalog().setAdditionalAction(
            PdfName.WC, PdfAction.createJavaScript("app.alert('Thank you for reading');"));
        pdf.addNewPage().setAdditionalAction(
            PdfName.O, PdfAction.createJavaScript("app.alert('This is where it starts!');"));
        // Initialize document
        Document document = new Document(pdf);
        PdfFont font = PdfFontFactory.createFont(StandardFonts.TIMES_ROMAN);
        PdfFont bold = PdfFontFactory.createFont(StandardFonts.HELVETICA_BOLD);
        document.setTextAlignment(TextAlignment.JUSTIFIED)
            .setHyphenation(new HyphenationConfig("en", "uk", 3, 3))
            .setFont(font)
            .setFontSize(11);
        
        BufferedReader br = new BufferedReader(new FileReader(SRC));
        String name, line;
        Paragraph p;
        boolean title = true;
        int counter = 0;
        List<SimpleEntry<String,SimpleEntry<String, Integer>>> toc = new ArrayList<>();
        while ((line = br.readLine()) != null) {
            p = new Paragraph(line);
            p.setKeepTogether(true);
            if (title) {
                name = String.format("title%02d", counter++);
                p.setFont(bold).setFontSize(12)
                    .setKeepWithNext(true)
                    .setDestination(name);
                title = false;
                document.add(p);
                toc.add(new SimpleEntry(name, new SimpleEntry(line, pdf.getNumberOfPages())));
            }
            else {
                p.setFirstLineIndent(36);
                if (line.isEmpty()) {
                    p.setMarginBottom(12);
                    title = true;
                }
                else {
                    p.setMarginBottom(0);
                }
                document.add(p);
            }
        }
        
        document.add(new AreaBreak(AreaBreakType.NEXT_PAGE));
        
        p = new Paragraph().setFont(bold)
            .add("Table of Contents").setDestination("toc");
        document.add(p);
        
        toc.remove(0);
        List<TabStop> tabstops = new ArrayList();
        tabstops.add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
        for (SimpleEntry<String, SimpleEntry<String, Integer>> entry : toc) {
            SimpleEntry<String, Integer> text = entry.getValue();
            p = new Paragraph()
                .addTabStops(tabstops)
                .add(text.getKey())
                .add(new Tab())
                .add(String.valueOf(text.getValue()))
                .setAction(PdfAction.createGoTo(entry.getKey()));
            document.add(p);
        }
        PdfPage page = pdf.getLastPage();
        page.setAdditionalAction(PdfName.C, PdfAction.createJavaScript("app.alert('Goodbye last page!');"));
        //Close document
        document.close();
    }

}
C#
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;

using iText.IO.Font.Constants;
using iText.Kernel.Font;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Action;
using iText.Kernel.Pdf.Canvas.Draw;
using iText.Kernel.Pdf.Navigation;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Hyphenation;
using iText.Layout.Properties;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E11_Actions {
        public const String SRC = "../../../resources/txt/jekyll_hyde.txt";

        public const String DEST = "../../../results/chapter07/jekyll_hyde_document_actions.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E11_Actions().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            //Initialize PDF document
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest));
            pdf.GetCatalog().SetOpenAction(PdfDestination.MakeDestination(new PdfString("toc")));
            pdf.GetCatalog().SetAdditionalAction(PdfName.WC, PdfAction.CreateJavaScript("app.alert('Thank you for reading');"
                ));
            pdf.AddNewPage().SetAdditionalAction(PdfName.O, PdfAction.CreateJavaScript("app.alert('This is where it starts!');"
                ));
            // Initialize document
            Document document = new Document(pdf);
            PdfFont font = PdfFontFactory.CreateFont(StandardFonts.TIMES_ROMAN);
            PdfFont bold = PdfFontFactory.CreateFont(StandardFonts.HELVETICA_BOLD);
            document.SetTextAlignment(TextAlignment.JUSTIFIED).SetHyphenation(new HyphenationConfig("en", "uk", 3, 3))
                .SetFont(font).SetFontSize(11);
            StreamReader sr = File.OpenText(SRC);
            String name;
            String line;
            Paragraph p;
            bool title = true;
            int counter = 0;
            IList<Util.Pair<String, Util.Pair<String, int>>> toc = new List<Util.Pair
                <String, Util.Pair<String, int>>>();
            while ((line = sr.ReadLine()) != null) {
                p = new Paragraph(line);
                p.SetKeepTogether(true);
                if (title) {
                    name = String.Format("title{0:00}", counter++);
                    p.SetFont(bold).SetFontSize(12).SetKeepWithNext(true).SetDestination(name);
                    title = false;
                    document.Add(p);
                    toc.Add(new Util.Pair<string,Util.Pair<string,int>>(name, new Util.Pair<string,int>(line, pdf.GetNumberOfPages())));
                }
                else {
                    p.SetFirstLineIndent(36);
                    if (String.IsNullOrEmpty(line)) {
                        p.SetMarginBottom(12);
                        title = true;
                    }
                    else {
                        p.SetMarginBottom(0);
                    }
                    document.Add(p);
                }
            }
            document.Add(new AreaBreak(AreaBreakType.NEXT_PAGE));
            p = new Paragraph().SetFont(bold).Add("Table of Contents").SetDestination("toc");
            document.Add(p);
            toc.RemoveAt(0);
            IList<TabStop> tabstops = new List<TabStop>();
            tabstops.Add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
            foreach (Util.Pair<String, Util.Pair<String, int>> entry in toc) {
                Util.Pair<String, int> text = entry.Value;
                p = new Paragraph().AddTabStops(tabstops).Add(text.Key).Add(new Tab()).Add(text.Value.ToString()).SetAction
                    (PdfAction.CreateGoTo(entry.Key));
                document.Add(p);
            }
            PdfPage page = pdf.GetLastPage();
            page.SetAdditionalAction(PdfName.C, PdfAction.CreateJavaScript("app.alert('Goodbye last page!');"));
            //Close document
            document.Close();
        }
    }
}

c07e12_metadata

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfDocumentInfo;
import com.itextpdf.kernel.pdf.PdfVersion;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.WriterProperties;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import java.io.File;
import java.io.IOException;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E12_Metadata {
    
    public static final String DEST = "results/chapter07/metadata.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E12_Metadata().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        PdfDocument pdf = new PdfDocument(
            new PdfWriter(dest,
                new WriterProperties()
                    .addXmpMetadata()
                    .setPdfVersion(PdfVersion.PDF_1_6)));
        PdfDocumentInfo info = pdf.getDocumentInfo();
        info.setTitle("The Strange Case of Dr. Jekyll and Mr. Hyde");
        info.setAuthor("Robert Louis Stevenson");
        info.setSubject("A novel");
        info.setKeywords("Dr. Jekyll, Mr. Hyde");
        info.setCreator("A simple tutorial example");
        Document document = new Document(pdf);
        document.add(new Paragraph("Mr. Jekyl and Mr. Hyde"));
        document.close();
    }
}
C#
using System;
using System.IO;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E12_Metadata {
        public const String DEST = "../../../results/chapter07/metadata.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E12_Metadata().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest, new WriterProperties().AddXmpMetadata().SetPdfVersion
                (PdfVersion.PDF_1_6)));
            PdfDocumentInfo info = pdf.GetDocumentInfo();
            info.SetTitle("The Strange Case of Dr. Jekyll and Mr. Hyde");
            info.SetAuthor("Robert Louis Stevenson");
            info.SetSubject("A novel");
            info.SetKeywords("Dr. Jekyll, Mr. Hyde");
            info.SetCreator("A simple tutorial example");
            Document document = new Document(pdf);
            document.Add(new Paragraph("Mr. Jekyl and Mr. Hyde"));
            document.Close();
        }
    }
}

c07e13_compressed

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.io.image.ImageDataFactory;
import com.itextpdf.kernel.events.Event;
import com.itextpdf.kernel.events.IEventHandler;
import com.itextpdf.kernel.events.PdfDocumentEvent;
import com.itextpdf.kernel.font.PdfFont;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfPage;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.WriterProperties;
import com.itextpdf.kernel.pdf.action.PdfAction;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.canvas.draw.DottedLine;
import com.itextpdf.kernel.pdf.extgstate.PdfExtGState;
import com.itextpdf.layout.Canvas;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.AreaBreak;
import com.itextpdf.layout.element.Image;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.element.Tab;
import com.itextpdf.layout.element.TabStop;
import com.itextpdf.layout.hyphenation.HyphenationConfig;
import com.itextpdf.layout.properties.AreaBreakType;
import com.itextpdf.layout.properties.TabAlignment;
import com.itextpdf.layout.properties.TextAlignment;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileReader;
import java.io.IOException;
import java.util.AbstractMap.SimpleEntry;
import java.util.ArrayList;
import java.util.List;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E13_Compressed {
    public static final String SRC = "src/main/resources/txt/jekyll_hyde.txt";
    public static final String IMG = "src/main/resources/img/3132614.jpg";
    public static final String DEST = "results/chapter07/jekyll_hyde_compressed.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E13_Compressed().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        //Initialize PDF document
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest,
            new WriterProperties().setFullCompressionMode(true)));
        Image img = new Image(ImageDataFactory.create(IMG));
        IEventHandler handler = new TransparentImage(img);
        pdf.addEventHandler(PdfDocumentEvent.START_PAGE, handler);
        // Initialize document
        Document document = new Document(pdf);
        PdfFont bold = PdfFontFactory.createFont(StandardFonts.HELVETICA_BOLD);
        document.setTextAlignment(TextAlignment.JUSTIFIED)
            .setHyphenation(new HyphenationConfig("en", "uk", 3, 3));

        BufferedReader br = new BufferedReader(new FileReader(SRC));
        String name, line;
        Paragraph p;
        boolean title = true;
        int counter = 0;
        List<SimpleEntry<String,SimpleEntry<String, Integer>>> toc = new ArrayList<>();
        while ((line = br.readLine()) != null) {
            p = new Paragraph(line);
            p.setKeepTogether(true);
            if (title) {
                name = String.format("title%02d", counter++);
                p.setFont(bold).setFontSize(12)
                    .setKeepWithNext(true)
                    .setDestination(name);
                title = false;
                document.add(p);
                toc.add(new SimpleEntry(name, new SimpleEntry(line, pdf.getNumberOfPages())));
            }
            else {
                p.setFirstLineIndent(36);
                if (line.isEmpty()) {
                    p.setMarginBottom(12);
                    title = true;
                }
                else {
                    p.setMarginBottom(0);
                }
                document.add(p);
            }
        }
        
        pdf.removeEventHandler(PdfDocumentEvent.START_PAGE, handler);
        document.add(new AreaBreak(AreaBreakType.NEXT_PAGE));
        
        p = new Paragraph().setFont(bold)
            .add("Table of Contents").setDestination("toc");
        document.add(p);
        
        toc.remove(0);
        List<TabStop> tabstops = new ArrayList();
        tabstops.add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
        for (SimpleEntry<String, SimpleEntry<String, Integer>> entry : toc) {
            SimpleEntry<String, Integer> text = entry.getValue();
            p = new Paragraph()
                .addTabStops(tabstops)
                .add(text.getKey())
                .add(new Tab())
                .add(String.valueOf(text.getValue()))
                .setAction(PdfAction.createGoTo(entry.getKey()));
            document.add(p);
        }

        //Close document
        document.close();
    }
    protected class TransparentImage implements IEventHandler {

        protected PdfExtGState gState;
        protected Image img;
        
        public TransparentImage(Image img) {
            this.img = img;
            gState = new PdfExtGState().setFillOpacity(0.2f);
        }
        
        @Override
        public void handleEvent(Event event) {
            PdfDocumentEvent docEvent = (PdfDocumentEvent) event;
            PdfDocument pdf = docEvent.getDocument();
            PdfPage page = docEvent.getPage();
            Rectangle pageSize = page.getPageSize();
            PdfCanvas pdfCanvas = new PdfCanvas(page.newContentStreamBefore(), page.getResources(), pdf);
            pdfCanvas.saveState().setExtGState(gState);
            Canvas canvas = new Canvas(pdfCanvas, page.getPageSize());
            canvas.add(img.scaleAbsolute(pageSize.getWidth(), pageSize.getHeight()));
            pdfCanvas.restoreState();
            pdfCanvas.release();
        }
    }
}
C#
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;

using iText.IO.Font.Constants;
using iText.IO.Image;
using iText.Kernel.Events;
using iText.Kernel.Font;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Action;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Canvas.Draw;
using iText.Kernel.Pdf.Extgstate;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Hyphenation;
using iText.Layout.Properties;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E13_Compressed {
        public const String SRC = "../../../resources/txt/jekyll_hyde.txt";

        public const String IMG = "../../../resources/img/3132614.jpg";

        public const String DEST = "../../../results/chapter07/jekyll_hyde_compressed.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E13_Compressed().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            //Initialize PDF document
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest, new WriterProperties().SetFullCompressionMode(true))
                );
            iText.Layout.Element.Image img = new Image(ImageDataFactory.Create(IMG));
            IEventHandler handler = new C07E13_Compressed.TransparentImage(img);
            pdf.AddEventHandler(PdfDocumentEvent.START_PAGE, handler);
            // Initialize document
            Document document = new Document(pdf);
            PdfFont bold = PdfFontFactory.CreateFont(StandardFonts.HELVETICA_BOLD);
            document.SetTextAlignment(TextAlignment.JUSTIFIED).SetHyphenation(new HyphenationConfig("en", "uk", 3, 3));
            StreamReader sr = File.OpenText(SRC);
            String name;
            String line;
            Paragraph p;
            bool title = true;
            int counter = 0;
            IList<Util.Pair<String, Util.Pair<String, int>>> toc = new List<Util.Pair
                <String, Util.Pair<String, int>>>();
            while ((line = sr.ReadLine()) != null) {
                p = new Paragraph(line);
                p.SetKeepTogether(true);
                if (title) {
                    name = String.Format("title{0:00}", counter++);
                    p.SetFont(bold).SetFontSize(12).SetKeepWithNext(true).SetDestination(name);
                    title = false;
                    document.Add(p);
                    toc.Add(new Util.Pair<string, Util.Pair<string,int>>(name, new Util.Pair<string,int>(line, pdf.GetNumberOfPages())));
                }
                else {
                    p.SetFirstLineIndent(36);
                    if (String.IsNullOrEmpty(line)) {
                        p.SetMarginBottom(12);
                        title = true;
                    }
                    else {
                        p.SetMarginBottom(0);
                    }
                    document.Add(p);
                }
            }
            pdf.RemoveEventHandler(PdfDocumentEvent.START_PAGE, handler);
            document.Add(new AreaBreak(AreaBreakType.NEXT_PAGE));
            p = new Paragraph().SetFont(bold).Add("Table of Contents").SetDestination("toc");
            document.Add(p);
            toc.RemoveAt(0);
            IList<TabStop> tabstops = new List<TabStop>();
            tabstops.Add(new TabStop(580, TabAlignment.RIGHT, new DottedLine()));
            foreach (Util.Pair<String, Util.Pair<String, int>> entry in toc) {
                Util.Pair<String, int> text = entry.Value;
                p = new Paragraph().AddTabStops(tabstops).Add(text.Key).Add(new Tab()).Add(text.Value.ToString()).SetAction
                    (PdfAction.CreateGoTo(entry.Key));
                document.Add(p);
            }
            //Close document
            document.Close();
        }

        protected internal class TransparentImage : IEventHandler {
            protected internal PdfExtGState gState;

            protected internal iText.Layout.Element.Image img;

            public TransparentImage(iText.Layout.Element.Image img) {
                this.img = img;
                this.gState = new PdfExtGState().SetFillOpacity(0.2f);
            }

            public virtual void HandleEvent(Event @event) {
                PdfDocumentEvent docEvent = (PdfDocumentEvent)@event;
                PdfDocument pdf = docEvent.GetDocument();
                PdfPage page = docEvent.GetPage();
                Rectangle pageSize = page.GetPageSize();
                PdfCanvas pdfCanvas = new PdfCanvas(page.NewContentStreamBefore(), page.GetResources(), pdf);
                pdfCanvas.SaveState().SetExtGState(this.gState);
                iText.Layout.Canvas canvas = new iText.Layout.Canvas(pdfCanvas, page.GetPageSize());
                canvas.Add(this.img.ScaleAbsolute(pageSize.GetWidth(), pageSize.GetHeight()));
                pdfCanvas.RestoreState();
                pdfCanvas.Release();
            }
        }
    }
}

c07e14_encrypted

JAVA
package com.itextpdf.highlevel.chapter07;

import com.itextpdf.kernel.pdf.EncryptionConstants;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.WriterProperties;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import java.io.File;
import java.io.IOException;

/**
 * @author Bruno Lowagie (iText Software)
 */
public class C07E14_Encrypted {
    
    public static final String DEST = "results/chapter07/encrypted.pdf";
    
    public static void main(String args[]) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new C07E14_Encrypted().createPdf(DEST);
    }
    
    public void createPdf(String dest) throws IOException {
        byte[] user = "It's Hyde".getBytes();
        byte[] owner = "abcdefg".getBytes();
        PdfDocument pdf = new PdfDocument(new PdfWriter(dest,
            new WriterProperties().setStandardEncryption(user, owner,
                EncryptionConstants.ALLOW_PRINTING | EncryptionConstants.ALLOW_ASSEMBLY,
                EncryptionConstants.ENCRYPTION_AES_256)));
        Document document = new Document(pdf);
        document.add(new Paragraph("Mr. Jekyll has a secret: he changes into Mr. Hyde."));
        document.close();
    }
}
C#
using System;
using System.IO;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;

namespace iText.Highlevel.Chapter07 {
    /// <author>Bruno Lowagie (iText Software)</author>
    public class C07E14_Encrypted {
        public const String DEST = "../../../results/chapter07/encrypted.pdf";

        public static void Main(String[] args) {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            new C07E14_Encrypted().CreatePdf(DEST);
        }

        public virtual void CreatePdf(String dest) {
            byte[] user = GetBytes("It's Hyde");
            string test = "test";
           
            byte[] owner = GetBytes("abcdefg");
            PdfDocument pdf = new PdfDocument(new PdfWriter(dest, new WriterProperties().SetStandardEncryption(user, owner
                , EncryptionConstants.ALLOW_PRINTING | EncryptionConstants.ALLOW_ASSEMBLY, EncryptionConstants.ENCRYPTION_AES_256
                )));
            Document document = new Document(pdf);
            document.Add(new Paragraph("Mr. Jekyll has a secret: he changes into Mr. Hyde."));
            document.Close();
        }

        static byte[] GetBytes(string str)
        {
            byte[] bytes = new byte[str.Length];
            for (int i = 0; i < str.Length; i++)
            {
                bytes[i] = System.Buffer.GetByte(str.ToCharArray(), 2 * i);
            }
            //System.Buffer.BlockCopy(str.ToCharArray(), 0, bytes, 0, bytes.Length);
            return bytes;
        }


    }
}

Resources

jekyll_hyde.txt
3132614.jpg
jekyll_hyde_bookmarked.pdf

Results

cmp_jekyll_hyde_page_orientation.pdf

cmp_jekyll_hydeV1.pdf

cmp_jekyll_hydeV2.pdf

cmp_jekyll_hydeV3.pdf

cmp_jekyll_hyde_updated.pdf

cmp_pagelabels.pdf

cmp_page_mode_page_layout.pdf

cmp_fullscreen.pdf

cmp_viewerpreferences.pdf

cmp_printerpreferences.pdf

cmp_jekyll_hyde_document_actions.pdf

cmp_metadata.pdf

cmp_jekyll_hyde_compressed.pdf

cmp_encrypted.pdf


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