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Header and footer examples

These examples were written in answer to a question on Stack Overflow regarding stamping content on an existing document in iText5. They have been ported to the latest iText version.


stampheader1

JAVA

JAVA 
/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2023 Apryse Group NV
    Authors: Apryse Software.

    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
package com.itextpdf.samples.sandbox.stamper;

import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.kernel.colors.ColorConstants;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.properties.TextAlignment;
import com.itextpdf.layout.properties.VerticalAlignment;

import java.io.File;


public class StampHeader1 {
    public static final String DEST = "./target/sandbox/stamper/stamp_header1.pdf";
    public static final String SRC = "./src/main/resources/pdfs/Right.pdf";

    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();

        new StampHeader1().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
        Document doc = new Document(pdfDoc);

        Paragraph header = new Paragraph("Copy")
                .setFont(PdfFontFactory.createFont(StandardFonts.HELVETICA))
                .setFontSize(14)
                .setFontColor(ColorConstants.RED);

        for (int i = 1; i <= pdfDoc.getNumberOfPages(); i++) {
            Rectangle pageSize = pdfDoc.getPage(i).getPageSize();
            float x = pageSize.getWidth() / 2;
            float y = pageSize.getTop() - 20;
            doc.showTextAligned(header, x, y, i, TextAlignment.LEFT, VerticalAlignment.BOTTOM, 0);
        }

        doc.close();
    }
}

C#

C# 
using System;
using System.IO;
using iText.IO.Font.Constants;
using iText.Kernel.Colors;
using iText.Kernel.Font;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;

namespace iText.Samples.Sandbox.Stamper 
{
    public class StampHeader1 
    {
        public static readonly String DEST = "results/sandbox/stamper/stamp_header1.pdf";
        public static readonly String SRC = "../../../resources/pdfs/Right.pdf";

        public static void Main(String[] args) 
        {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            
            new StampHeader1().ManipulatePdf(DEST);
        }

        protected void ManipulatePdf(String dest) 
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
            Document doc = new Document(pdfDoc);
            
            Paragraph header = new Paragraph("Copy")
                    .SetFont(PdfFontFactory.CreateFont(StandardFonts.HELVETICA))
                    .SetFontSize(14)
                    .SetFontColor(ColorConstants.RED);
            
            for (int i = 1; i <= pdfDoc.GetNumberOfPages(); i++) 
            {
                Rectangle pageSize = pdfDoc.GetPage(i).GetPageSize();
                float x = pageSize.GetWidth() / 2;
                float y = pageSize.GetTop() - 20;
                doc.ShowTextAligned(header, x, y, i, TextAlignment.LEFT, VerticalAlignment.BOTTOM, 0);
            }
            
            doc.Close();
        }
    }
}

stampheader2

JAVA

JAVA 
/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2023 Apryse Group NV
    Authors: Apryse Software.

    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
package com.itextpdf.samples.sandbox.stamper;

import com.itextpdf.io.font.constants.StandardFonts;
import com.itextpdf.kernel.font.PdfFontFactory;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.properties.TextAlignment;
import com.itextpdf.layout.properties.VerticalAlignment;

import java.io.File;

public class StampHeader2 {
    public static final String DEST = "./target/sandbox/stamper/stamp_header2.pdf";
    public static final String SRC = "./src/main/resources/pdfs/Wrong.pdf";

    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();

        new StampHeader2().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
        Document doc = new Document(pdfDoc);

        Paragraph header = new Paragraph("Copy")
                .setFont(PdfFontFactory.createFont(StandardFonts.HELVETICA))
                .setFontSize(14);

        for (int i = 1; i <= pdfDoc.getNumberOfPages(); i++) {
            Rectangle pageSize = pdfDoc.getPage(i).getPageSize();
            float x = pageSize.getWidth() / 2;
            float y = pageSize.getTop() - 20;
            doc.showTextAligned(header, x, y, i, TextAlignment.CENTER, VerticalAlignment.BOTTOM, 0);
        }

        doc.close();
    }
}

C#

C# 
using System;
using System.IO;
using iText.IO.Font.Constants;
using iText.Kernel.Font;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;

namespace iText.Samples.Sandbox.Stamper 
{
    public class StampHeader2 
    {
        public static readonly String DEST = "results/sandbox/stamper/stamp_header2.pdf";
        public static readonly String SRC = "../../../resources/pdfs/Wrong.pdf";

        public static void Main(String[] args) 
        {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            
            new StampHeader2().ManipulatePdf(DEST);
        }

        protected void ManipulatePdf(String dest) 
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
            Document doc = new Document(pdfDoc);
            
            Paragraph header = new Paragraph("Copy")
                    .SetFont(PdfFontFactory.CreateFont(StandardFonts.HELVETICA))
                    .SetFontSize(14);
            
            for (int i = 1; i <= pdfDoc.GetNumberOfPages(); i++) 
            {
                Rectangle pageSize = pdfDoc.GetPage(i).GetPageSize();
                float x = pageSize.GetWidth() / 2;
                float y = pageSize.GetTop() - 20;
                doc.ShowTextAligned(header, x, y, i, TextAlignment.CENTER, VerticalAlignment.BOTTOM, 0);
            }
            
            doc.Close();
        }
    }
}


stampheader3

JAVA

JAVA 
/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2023 Apryse Group NV
    Authors: Apryse Software.

    For more information, please contact iText Software at this address:
    sales@itextpdf.com
 */
package com.itextpdf.samples.sandbox.stamper;

import com.itextpdf.io.font.constants.StandardFonts;
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.PdfReader;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;
import com.itextpdf.layout.properties.TextAlignment;
import com.itextpdf.layout.properties.VerticalAlignment;

import java.io.File;

public class StampHeader3 {
    public static final String DEST = "./target/sandbox/stamper/stamp_header3.pdf";
    public static final String SRC = "./src/main/resources/pdfs/Wrong.pdf";

    public static void main(String[] args) throws Exception {
        File file = new File(DEST);
        file.getParentFile().mkdirs();

        new StampHeader3().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
        Document doc = new Document(pdfDoc);
        Paragraph header = new Paragraph("Copy")
                .setFont(PdfFontFactory.createFont(StandardFonts.HELVETICA)).setFontSize(6);

        for (int i = 1; i <= pdfDoc.getNumberOfPages(); i++) {
            PdfPage pdfPage = pdfDoc.getPage(i);

            // When "true": in case the page has a rotation, then new content will be automatically rotated in the
            // opposite direction. On the rotated page this would look as if new content ignores page rotation.
            pdfPage.setIgnorePageRotationForContent(true);

            Rectangle pageSize = pdfPage.getPageSize();
            float x, y;
            if (pdfPage.getRotation() % 180 == 0) {
                x = pageSize.getWidth() / 2;
                y = pageSize.getTop() - 20;
            } else {
                x = pageSize.getHeight() / 2;
                y = pageSize.getRight() - 20;
            }

            doc.showTextAligned(header, x, y, i, TextAlignment.CENTER, VerticalAlignment.BOTTOM, 0);
        }

        doc.close();
    }
}

C#

C# 
using System;
using System.IO;
using iText.IO.Font.Constants;
using iText.Kernel.Font;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Layout;
using iText.Layout.Element;
using iText.Layout.Properties;

namespace iText.Samples.Sandbox.Stamper 
{
    public class StampHeader3 
    {
        public static readonly String DEST = "results/sandbox/stamper/stamp_header3.pdf";
        public static readonly String SRC = "../../../resources/pdfs/Wrong.pdf";

        public static void Main(String[] args) 
        {
            FileInfo file = new FileInfo(DEST);
            file.Directory.Create();
            
            new StampHeader3().ManipulatePdf(DEST);
        }

        protected void ManipulatePdf(String dest) 
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfReader(SRC), new PdfWriter(dest));
            Document doc = new Document(pdfDoc);
            Paragraph header = new Paragraph("Copy")
                    .SetFont(PdfFontFactory.CreateFont(StandardFonts.HELVETICA)).SetFontSize(6);
            
            for (int i = 1; i <= pdfDoc.GetNumberOfPages(); i++) 
            {
                PdfPage pdfPage = pdfDoc.GetPage(i);
                
                // When "true": in case the page has a rotation, then new content will be automatically rotated in the
                // opposite direction. On the rotated page this would look as if new content ignores page rotation.
                pdfPage.SetIgnorePageRotationForContent(true);
                
                Rectangle pageSize = pdfPage.GetPageSize();
                float x;
                float y;
                if (pdfPage.GetRotation() % 180 == 0) 
                {
                    x = pageSize.GetWidth() / 2;
                    y = pageSize.GetTop() - 20;
                }
                else 
                {
                    x = pageSize.GetHeight() / 2;
                    y = pageSize.GetRight() - 20;
                }
                
                doc.ShowTextAligned(header, x, y, i, TextAlignment.CENTER, VerticalAlignment.BOTTOM, 0);
            }
            
            doc.Close();
        }
    }
}
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