package jPDFImagesSamples;

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics2D;
import java.awt.image.BufferedImage;
import java.io.File;

import javax.imageio.ImageIO;

import com.qoppa.pdfImages.PDFImages;

public class Watermark 
{
    public static void main (String [] args)
    {
        try
        {
        	// Load the document
            PDFImages pdfDoc = new PDFImages ("input.pdf", null);
        	
            // Loop through pages
            for (int count = 0; count < pdfDoc.getPageCount(); ++count)
            {
                // Get an image of the page
                BufferedImage pageImage = pdfDoc.getPageImage(count, 150);
        		
                // Apply watermark
                Graphics2D g2d = pageImage.createGraphics();
                g2d.setFont (new Font ("sansserif", Font.PLAIN, 200));
                g2d.rotate(Math.toRadians(45));
                g2d.setColor (new Color (128, 128, 128, 128));
                g2d.drawString ("Watermark", 300, g2d.getFontMetrics().getMaxDescent());
        		
                // Save the image as a JPEG
                File outputFile = new File ("output_" + count + ".jpg");
                ImageIO.write(pageImage, "JPEG", outputFile);
            }
        }
        catch (Throwable t)
        {
            t.printStackTrace();
        }
    }
}