BackgroundTransparent.java

package com.pdf.ravishankarcode;

import java.io.File;

import com.itextpdf.io.image.ImageData;
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.kernel.pdf.extgstate.PdfExtGState;
import com.itextpdf.layout.Document;
import com.itextpdf.layout.element.Paragraph;

public class BackgroundTransparent {

    public static final String DEST = "C://temp//background_transparent.pdf";
    
    public static final String IMAGE = "C://temp//Ravi.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);
        canvas.addImage(image, 0, 0, pageSize.getWidth(), false);
        canvas.restoreState();
 
        doc.add(new Paragraph("Berlin!"));
 
        doc.close();
    }

}