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Monday, 5 June 2017

iText 5 - Tiled Background Example

To create PDF file we need iText 5 jar. Download iText Jars from iText Website or Maven Repository

Maven Dependency



	com.itextpdf
	itextpdf
	5.5.11

TiledBackground.java
package com.javatutorialcorner.itextpdf;

import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.ExceptionConverter;
import com.itextpdf.text.Image;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.PdfContentByte;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPCellEvent;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfPatternPainter;
import com.itextpdf.text.pdf.PdfWriter;
 

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;

public class TiledBackground {
 
    class TiledImageBackground implements PdfPCellEvent {
 
        protected Image image;
 
        public TiledImageBackground(Image image) {
            this.image = image;
        }
 
        public void cellLayout(PdfPCell cell, Rectangle position,
                PdfContentByte[] canvases) {
            try {
                PdfContentByte cb = canvases[PdfPTable.BACKGROUNDCANVAS];
                PdfPatternPainter patternPainter = cb.createPattern(image.getScaledWidth(), image.getScaledHeight());
                image.setAbsolutePosition(0, 0);
                patternPainter.addImage(image);
                cb.saveState();
                cb.setPatternFill(patternPainter);
                cb.rectangle(position.getLeft(), position.getBottom(), position.getWidth(), position.getHeight());
                cb.fill();
                cb.restoreState();
            } catch (DocumentException e) {
                throw new ExceptionConverter(e);
            }
        }
 
    }
 
    public static final String DEST = "C:/JTC/TiledBackground.pdf";

    public static final String IMG1 = "C:/JTC/ALxRF.png";
    public static final String IMG2 = "C:/JTC/bulb.gif";
 
    public static void main(String[] args) throws IOException, DocumentException {
        File file = new File(DEST);
        file.getParentFile().mkdirs();
        new TiledBackground().createPdf(DEST);
    }
 
    public void createPdf(String dest) throws IOException, DocumentException {
        Document document = new Document();
        PdfWriter.getInstance(document, new FileOutputStream(dest));
        document.open();
        PdfPTable table = new PdfPTable(2);
        PdfPCell cell = new PdfPCell();
        Image image = Image.getInstance(IMG1);
        cell.setCellEvent(new TiledImageBackground(image));
        cell.setFixedHeight(770);
        table.addCell(cell);
        cell = new PdfPCell();
        image = Image.getInstance(IMG2);
        cell.setCellEvent(new TiledImageBackground(image));
        cell.setFixedHeight(770);
        table.addCell(cell);
        document.add(table);
        document.close();
    }
}

Output
Reference : iText Website
Annamalai Thangaraj

Annamalai is working as Technical Lead in Leading Telecom company with 5+ years experience in Identity and Access Management , Telecom and Networks, BigData, Java, Spring, Struts, Hibernate, AngularJS, and Enterprise Web Application Development.

Website: Java Tutorials Corner

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Item Reviewed: iText 5 - Tiled Background Example Rating: 5 Reviewed By: Annamalai Thangaraj