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Tiling and N-upping

Examples written in answer to questions such as:


tileintwo

TileInTwo 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.merge;

import com.itextpdf.kernel.geom.PageSize;
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.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

public class TileInTwo {
    public static final String DEST = "./target/sandbox/merge/tile_in_two.pdf";

    public static final String SRC = "./src/main/resources/pdfs/united_states.pdf";

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

        new TileInTwo().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws IOException {
        PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
        PdfDocument resultDoc = new PdfDocument(new PdfWriter(dest));

        int numberOfPages = srcDoc.getNumberOfPages();
        for (int i = 1; i <= numberOfPages; i++) {
            PageSize mediaBox = getHalfHeightPageSize(srcDoc.getPage(i).getPageSizeWithRotation());
            resultDoc.setDefaultPageSize(mediaBox);
            PdfFormXObject page = srcDoc.getPage(i).copyAsFormXObject(resultDoc);

            PdfCanvas canvas = new PdfCanvas(resultDoc.addNewPage());
            canvas.addXObjectAt(page, 0, -mediaBox.getHeight());

            canvas = new PdfCanvas(resultDoc.addNewPage());
            canvas.addXObjectAt(page, 0, 0);
        }

        resultDoc.close();
        srcDoc.close();
    }

    private static PageSize getHalfHeightPageSize(Rectangle pageSize) {
        float width = pageSize.getWidth();
        float height = pageSize.getHeight();
        return new PageSize(width, height / 2);
    }
}


TileInTwo C#

C# 
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Xobject;

namespace iText.Samples.Sandbox.Merge
{
    public class TileInTwo
    {
        public static readonly String DEST = "results/sandbox/merge/tile_in_two.pdf";

        public static readonly String SRC = "../../../resources/pdfs/united_states.pdf";

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

            new TileInTwo().ManipulatePdf(DEST);
        }

        protected void ManipulatePdf(String dest)
        {
            PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
            PdfDocument resultDoc = new PdfDocument(new PdfWriter(dest));

            int numberOfPages = srcDoc.GetNumberOfPages();
            for (int i = 1; i <= numberOfPages; i++)
            {
                PageSize mediaBox = GetHalfHeightPageSize(srcDoc.GetPage(i).GetPageSizeWithRotation());
                resultDoc.SetDefaultPageSize(mediaBox);
                PdfFormXObject page = srcDoc.GetPage(i).CopyAsFormXObject(resultDoc);

                PdfCanvas canvas = new PdfCanvas(resultDoc.AddNewPage());
                canvas.AddXObjectAt(page, 0, -mediaBox.GetHeight());

                canvas = new PdfCanvas(resultDoc.AddNewPage());
                canvas.AddXObjectAt(page, 0, 0);
            }

            resultDoc.Close();
            srcDoc.Close();
        }

        private static PageSize GetHalfHeightPageSize(Rectangle pageSize)
        {
            float width = pageSize.GetWidth();
            float height = pageSize.GetHeight();
            return new PageSize(width, height / 2);
        }
    }
}


tileintwo2

TileInTwo 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.merge;

import com.itextpdf.kernel.geom.PageSize;
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.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

public class TileInTwo2 {
    public static final String DEST = "./target/sandbox/merge/tile_in_two2.pdf";

    public static final String SRC = "./src/main/resources/pdfs/united_states.pdf";

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

        new TileInTwo2().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws IOException {
        PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));

        int numberOfPages = srcDoc.getNumberOfPages();
        for (int i = 1; i <= numberOfPages; i++) {
            PageSize mediaBox = getHalfWidthPageSize(srcDoc.getPage(i).getPageSizeWithRotation());
            pdfDoc.setDefaultPageSize(mediaBox);
            PdfFormXObject page = srcDoc.getPage(i).copyAsFormXObject(pdfDoc);

            PdfCanvas canvas = new PdfCanvas(pdfDoc.addNewPage());
            canvas.addXObjectAt(page, 0, 0);

            canvas = new PdfCanvas(pdfDoc.addNewPage());
            canvas.addXObjectAt(page, -mediaBox.getWidth(), 0);
        }

        pdfDoc.close();
        srcDoc.close();
    }

    private static PageSize getHalfWidthPageSize(Rectangle pageSize) {
        float width = pageSize.getWidth();
        float height = pageSize.getHeight();
        return new PageSize(width / 2, height);
    }
}

TileInTwo2 C#

C# 
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Xobject;

namespace iText.Samples.Sandbox.Merge
{
    public class TileInTwo2
    {
        public static readonly String DEST = "results/sandbox/merge/tile_in_two2.pdf";

        public static readonly String SRC = "../../../resources/pdfs/united_states.pdf";

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

            new TileInTwo2().ManipulatePdf(DEST);
        }

        protected void ManipulatePdf(String dest)
        {
            PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));

            int numberOfPages = srcDoc.GetNumberOfPages();
            for (int i = 1; i <= numberOfPages; i++)
            {
                PageSize mediaBox = GetHalfWidthPageSize(srcDoc.GetPage(i).GetPageSizeWithRotation());
                pdfDoc.SetDefaultPageSize(mediaBox);
                PdfFormXObject page = srcDoc.GetPage(i).CopyAsFormXObject(pdfDoc);

                PdfCanvas canvas = new PdfCanvas(pdfDoc.AddNewPage());
                canvas.AddXObjectAt(page, 0, 0);

                canvas = new PdfCanvas(pdfDoc.AddNewPage());
                canvas.AddXObjectAt(page, -mediaBox.GetWidth(), 0);
            }

            pdfDoc.Close();
            srcDoc.Close();
        }

        private static PageSize GetHalfWidthPageSize(Rectangle pageSize)
        {
            float width = pageSize.GetWidth();
            float height = pageSize.GetHeight();
            return new PageSize(width / 2, height);
        }
    }
}


tilinghero

TilingHero 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.merge;

import com.itextpdf.kernel.geom.PageSize;
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.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;

public class TilingHero {
    public static final String DEST = "./target/sandbox/merge/tiling_hero.pdf";

    public static final String RESOURCE = "./src/main/resources/pdfs/hero.pdf";

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

        new TilingHero().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws IOException {
        PdfDocument srcDoc = new PdfDocument(new PdfReader(RESOURCE));
        PdfDocument resultDoc = new PdfDocument(new PdfWriter(dest));
        PdfPage srcFirstPage = srcDoc.getFirstPage();

        Rectangle pageSize = srcFirstPage.getPageSizeWithRotation();
        float width = pageSize.getWidth();
        float height = pageSize.getHeight();

        // The top left rectangle of the tiled pdf picture
        Rectangle mediaBox = new Rectangle(0, 3 * height, width, height);
        resultDoc.setDefaultPageSize(new PageSize(mediaBox));

        PdfFormXObject page = srcFirstPage.copyAsFormXObject(resultDoc);
        for (int i = 1; i <= 16; i++) {
            PdfCanvas canvas = new PdfCanvas(resultDoc.addNewPage());
            canvas.addXObjectWithTransformationMatrix(page, 4, 0, 0, 4, 0, 0);

            float xCoordinate = (i % 4) * width;
            float yCoordinate = (4 - (i / 4)) * height;
            mediaBox = new Rectangle(xCoordinate, yCoordinate, width, -height);
            resultDoc.setDefaultPageSize(new PageSize(mediaBox));
        }

        srcDoc.close();
        resultDoc.close();
    }
}

TilingHero

C# 
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Xobject;

namespace iText.Samples.Sandbox.Merge
{
    public class TilingHero
    {
        public static readonly String DEST = "results/sandbox/merge/tiling_hero.pdf";

        public static readonly String RESOURCE = "../../../resources/pdfs/hero.pdf";

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

            new TilingHero().ManipulatePdf(DEST);
        }

        protected void ManipulatePdf(String dest)
        {
            PdfDocument srcDoc = new PdfDocument(new PdfReader(RESOURCE));
            PdfDocument resultDoc = new PdfDocument(new PdfWriter(dest));
            PdfPage srcFirstPage = srcDoc.GetFirstPage();

            Rectangle pageSize = srcFirstPage.GetPageSizeWithRotation();
            float width = pageSize.GetWidth();
            float height = pageSize.GetHeight();

            // The top left rectangle of the tiled pdf picture
            Rectangle mediaBox = new Rectangle(0, 3 * height, width, height);
            resultDoc.SetDefaultPageSize(new PageSize(mediaBox));

            PdfFormXObject page = srcFirstPage.CopyAsFormXObject(resultDoc);
            for (int i = 1; i <= 16; i++)
            {
                PdfCanvas canvas = new PdfCanvas(resultDoc.AddNewPage());
                canvas.AddXObjectWithTransformationMatrix(page, 4, 0, 0, 4, 0, 0);

                float xCoordinate = (i % 4) * width;
                float yCoordinate = (4 - (i / 4)) * height;
                mediaBox = new Rectangle(xCoordinate, yCoordinate, width, -height);
                resultDoc.SetDefaultPageSize(new PageSize(mediaBox));
            }

            srcDoc.Close();
            resultDoc.Close();
        }
    }
}


tileclipped

TileClipped 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.kernel.geom.PageSize;
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.kernel.pdf.canvas.PdfCanvas;
import com.itextpdf.kernel.pdf.xobject.PdfFormXObject;

import java.io.File;

public class TileClipped {
    public static final String DEST = "./target/sandbox/stamper/tile_clipped.pdf";
    public static final String SRC = "./src/main/resources/pdfs/hero.pdf";

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

        new TileClipped().manipulatePdf(DEST);
    }

    protected void manipulatePdf(String dest) throws Exception {
        float margin = 30;
        PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
        Rectangle rect = srcDoc.getFirstPage().getPageSizeWithRotation();
        Rectangle pageSize = new Rectangle(rect.getWidth() + margin * 2, rect.getHeight() + margin * 2);

        PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));

        // The functionality below will work only for the pages, added after the method is called
        pdfDoc.setDefaultPageSize(new PageSize(pageSize));

        PdfCanvas content = new PdfCanvas(pdfDoc.addNewPage());
        PdfFormXObject page = srcDoc.getFirstPage().copyAsFormXObject(pdfDoc);

        // Adding the same page 16 times with a different offset
        for (int i = 0; i < 16; i++) {
            float x = -rect.getWidth() * (i % 4) + margin;
            float y = rect.getHeight() * (i / 4 - 3) + margin;
            content.rectangle(margin, margin, rect.getWidth(), rect.getHeight());
            content.clip();
            content.endPath();
            content.addXObjectWithTransformationMatrix(page, 4, 0, 0, 4, x, y);
            if (15 != i) {
                content = new PdfCanvas(pdfDoc.addNewPage());
            }
        }

        pdfDoc.close();
    }
}


TileClipped C#

C# 
using System;
using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;
using iText.Kernel.Pdf.Xobject;

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

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

        protected void ManipulatePdf(String dest) 
        {
            float margin = 30;
            PdfDocument srcDoc = new PdfDocument(new PdfReader(SRC));
            Rectangle rect = srcDoc.GetFirstPage().GetPageSizeWithRotation();
            Rectangle pageSize = new Rectangle(rect.GetWidth() + margin * 2, rect.GetHeight() + margin * 2);
            
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));
            
            // The functionality below will work only for the pages, added after the method is called
            pdfDoc.SetDefaultPageSize(new PageSize(pageSize));
            
            PdfCanvas content = new PdfCanvas(pdfDoc.AddNewPage());
            PdfFormXObject page = srcDoc.GetFirstPage().CopyAsFormXObject(pdfDoc);
            
            // Adding the same page 16 times with a different offset
            for (int i = 0; i < 16; i++) 
            {
                float x = -rect.GetWidth() * (i % 4) + margin;
                float y = rect.GetHeight() * (i / 4 - 3) + margin;
                content.Rectangle(margin, margin, rect.GetWidth(), rect.GetHeight());
                content.Clip();
                content.EndPath();
                content.AddXObjectWithTransformationMatrix(page, 4, 0, 0, 4, x, y);
                if (15 != i) 
                {
                    content = new PdfCanvas(pdfDoc.AddNewPage());
                }
            }
            
            pdfDoc.Close();
        }
    }
}

Resources

hero.pdf
links1.pdf
links2.pdf
united_states.pdf

Results


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