/**
    * 
    */
   package de.tivsource.page.helper.barcode;
   
   import java.awt.Color;
   import java.awt.Graphics2D;
   import java.awt.geom.AffineTransform;
   import java.awt.image.BufferedImage;
  import java.io.File;
  import java.io.FileOutputStream;
  import java.io.IOException;
  import java.io.OutputStream;
  
  import org.krysalis.barcode4j.impl.pdf417.PDF417Bean;
  import org.krysalis.barcode4j.output.bitmap.BitmapCanvasProvider;
  import org.krysalis.barcode4j.output.bitmap.BitmapEncoder;
  import org.krysalis.barcode4j.output.bitmap.BitmapEncoderRegistry;
  import org.krysalis.barcode4j.tools.UnitConv;
  
  /**
   * @author Marc Michele
   *
   */
  public class CreateBarcode {
  
  	/**
  	 * Auflösung in Dots per Inch
  	 */
  	private final int dpi = 200;
  
  	private final boolean antiAlias = false;
  	private final int orientation = 0;
  	
  	private File file;
  
  	private String uuid;
  
  	public CreateBarcode(File file, String uuid) throws IOException {
  		super();
  		this.file = file;
  		this.uuid = uuid;
  		generate();
  	}
  
  	private void generate() throws IOException {
          // Erstelle PDF417 Barcode
          PDF417Bean bean = new PDF417Bean();
  
          // Setze das Fehlerkorekturlevel  
          bean.setErrorCorrectionLevel(2);
  
          // Nur zwei Spalten mit Inhalt
          bean.setColumns(2);
  
          bean.setModuleWidth(UnitConv.in2mm(10.0f / dpi));
          bean.doQuietZone(false);
  
          BitmapCanvasProvider bitmapCanvasProvider = new BitmapCanvasProvider(
                  dpi, BufferedImage.TYPE_BYTE_BINARY, antiAlias, orientation);
  
          // Erstelle den Barcode
          bean.generateBarcode(bitmapCanvasProvider, uuid);
  
          // Beende die Barcode Generierung
          bitmapCanvasProvider.finish();
  
          // Hole das BufferedImage
          BufferedImage bufferedImage = bitmapCanvasProvider.getBufferedImage();
  
  
          int width = bufferedImage.getWidth();
          int height = bufferedImage.getHeight();
  
          //Add padding
          int padding = 2;
          width += 2 * padding;
          height += 3 * padding;
  
          BufferedImage bitmap = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_BINARY);
          Graphics2D g2d = (Graphics2D)bitmap.getGraphics();
          g2d.setBackground(Color.white);
          g2d.setColor(Color.black);
          g2d.clearRect(0, 0, bitmap.getWidth(), bitmap.getHeight());
          
  
          //Place the barcode symbol
          AffineTransform symbolPlacement = new AffineTransform();
          symbolPlacement.translate(padding, padding);
          g2d.drawRenderedImage(bufferedImage, symbolPlacement);
  
          //Add text lines (or anything else you might want to add)
  
          g2d.dispose();
  
          //Encode bitmap as file
          String mime = "image/png";
          OutputStream out = new FileOutputStream(file);
          try {
             final BitmapEncoder encoder = BitmapEncoderRegistry.getInstance(mime);
             encoder.encode(bitmap, out, mime, dpi);
         } finally {
             out.close();
         }
         
 	}// Ende generate()
 
 }// Ende class