Background images

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.images;

import com.itextpdf.io.image.ImageDataFactory;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;

import java.io.File;

public class BackgroundImage {
    public static final String DEST = "./target/sandbox/images/background_image.pdf";

    public static final String IMAGE = "./src/main/resources/img/berlin2013.jpg";

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

        new BackgroundImage().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        PageSize pageSize = PageSize.A4.rotate();
        Document doc = new Document(pdfDoc, pageSize);

        PdfCanvas canvas = new PdfCanvas(pdfDoc.addNewPage());
        canvas.addImageFittedIntoRectangle(ImageDataFactory.create(IMAGE), pageSize, false);

        doc.add(new Paragraph("Berlin!"));

        doc.close();
    }
}

C#

using System;
using System.IO;
using iText.IO.Image;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Layout;
using iText.Layout.Element;

namespace iText.Samples.Sandbox.Images
{
    public class BackgroundImage
    {
        public static readonly String DEST = "results/sandbox/images/background_image.pdf";

        public static readonly String IMAGE = "../../../resources/img/berlin2013.jpg";

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

            new BackgroundImage().ManipulatePdf(DEST);
        }

        protected void ManipulatePdf(String dest)
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
            PageSize pageSize = PageSize.A4.Rotate();
            Document doc = new Document(pdfDoc, pageSize);

            PdfCanvas canvas = new PdfCanvas(pdfDoc.AddNewPage());
            canvas.AddImageFittedIntoRectangle(ImageDataFactory.Create(IMAGE), pageSize, false);

            doc.Add(new Paragraph("Berlin!"));

            doc.Close();
        }
    }
}

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.images;

import com.itextpdf.io.image.ImageData;
import com.itextpdf.io.image.ImageDataFactory;
import com.itextpdf.kernel.geom.PageSize;
import com.itextpdf.kernel.geom.Rectangle;
import com.itextpdf.kernel.pdf.PdfDocument;
import com.itextpdf.kernel.pdf.PdfWriter;
import com.itextpdf.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.extgstate.PdfExtGState;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;

import java.io.File;

public class BackgroundTransparent {
    public static final String DEST = "./target/sandbox/images/background_transparent.pdf";

    public static final String IMAGE = "./src/main/resources/img/berlin2013.jpg";

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

        new BackgroundTransparent().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws Exception {
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
        PageSize pageSize = PageSize.A4.rotate();
        Document doc = new Document(pdfDoc, pageSize);

        ImageData image = ImageDataFactory.create(IMAGE);
        PdfCanvas canvas = new PdfCanvas(pdfDoc.addNewPage());
        canvas.saveState();
        PdfExtGState state = new PdfExtGState().setFillOpacity(0.6f);
        canvas.setExtGState(state);
        Rectangle rect = new Rectangle(0, 0, pageSize.getWidth(), pageSize.getHeight());
        canvas.addImageFittedIntoRectangle(image, rect, false);
        canvas.restoreState();

        doc.add(new Paragraph("Berlin!"));

        doc.close();
    }
}

C#

using System;
using System.IO;
using iText.IO.Image;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Extgstate;
using iText.Layout;
using iText.Layout.Element;

namespace iText.Samples.Sandbox.Images
{
    public class BackgroundTransparent
    {
        public static readonly String DEST = "results/sandbox/images/background_transparent.pdf";

        public static readonly String IMAGE = "../../../resources/img/berlin2013.jpg";

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

            new BackgroundTransparent().ManipulatePdf(DEST);
        }

        protected void ManipulatePdf(String dest)
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
            PageSize pageSize = PageSize.A4.Rotate();
            Document doc = new Document(pdfDoc, pageSize);

            ImageData image = ImageDataFactory.Create(IMAGE);
            PdfCanvas canvas = new PdfCanvas(pdfDoc.AddNewPage());
            canvas.SaveState();
            PdfExtGState state = new PdfExtGState().SetFillOpacity(0.6f);
            canvas.SetExtGState(state);
            Rectangle rect = new Rectangle(0, 0, pageSize.GetWidth(), pageSize.GetHeight());
            canvas.AddImageFittedIntoRectangle(image, rect, false);
            canvas.RestoreState();

            doc.Add(new Paragraph("Berlin!"));

            doc.Close();
        }
    }
}