Drawing a Grid

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.objects;

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

public class Grid {
    public static final String DEST = "./target/sandbox/objects/grid.pdf";

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

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

        PageSize pageSize = new PageSize(612, 792);
        pdfDoc.setDefaultPageSize(pageSize);

        PdfCanvas canvas = new PdfCanvas(pdfDoc.addNewPage());
        for (float x = 0; x < pageSize.getWidth(); x += 72f) {
            for (float y = 0; y < pageSize.getHeight(); y += 72f) {
                canvas.circle(x, y, 1f);
            }
        }
        canvas.fill();

        pdfDoc.close();
    }
}

C#

using System.IO;
using iText.Kernel.Geom;
using iText.Kernel.Pdf;
using iText.Kernel.Pdf.Canvas;

namespace iText.Samples.Sandbox.Objects
{
    public class Grid
    {
        public static readonly string DEST = "results/sandbox/objects/grid.pdf";

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

        protected void ManipulatePdf(string dest)
        {
            PdfDocument pdfDoc = new PdfDocument(new PdfWriter(dest));

            PageSize pageSize = new PageSize(612, 792);
            pdfDoc.SetDefaultPageSize(pageSize);

            PdfCanvas canvas = new PdfCanvas(pdfDoc.AddNewPage());
            for (float x = 0; x < pageSize.GetWidth(); x += 72f)
            {
                for (float y = 0; y < pageSize.GetHeight(); y += 72f)
                {
                    canvas.Circle(x, y, 1f);
                }
            }

            canvas.Fill();

            pdfDoc.Close();
        }
    }
}