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Drawing a Grid

Example written in the context of the question How to create a PDF with a Cartesian grid?

Grid.java
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/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2019 iText Group NV
    Authors: iText 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 com.itextpdf.samples.GenericTest;
import com.itextpdf.test.annotations.type.SampleTest;
 
import org.junit.experimental.categories.Category;
 
import java.io.File;
import java.io.IOException;
 
@Category(SampleTest.class)
public class Grid extends GenericTest {
    public static final String DEST = "./target/test/resources/sandbox/objects/grid.pdf";
 
    public static void main(String[] args) throws IOException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new FullDottedLine().manipulatePdf(DEST);
    }
 
    public 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(); ) {
            for (float y = 0; y < pageSize.getHeight(); ) {
                canvas.circle(x, y, 1f);
                y += 72f;
            }
            x += 72f;
        }
        canvas.fill();
 
        pdfDoc.close();
    }
}

Results

Click the following link to see the legacy example for iText 5. Except for security fixes, iText 5 is no longer being developed.



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