Class BarcodePostnet

java.lang.Object
com.lowagie.text.pdf.Barcode
com.lowagie.text.pdf.BarcodePostnet

public class BarcodePostnet extends Barcode
Implements the Postnet and Planet barcodes. The default parameters are:
 n = 72f / 22f; // distance between bars
 x = 0.02f * 72f; // bar width
 barHeight = 0.125f * 72f; // height of the tall bars
 size = 0.05f * 72f; // height of the short bars
 codeType = POSTNET; // type of code
 
  • Field Details

    • BARS

      private static final byte[][] BARS
      The bars for each character.
  • Constructor Details

    • BarcodePostnet

      public BarcodePostnet()
      Creates new BarcodePostnet
  • Method Details

    • getBarsPostnet

      public static byte[] getBarsPostnet(String text)
      Creates the bars for Postnet.
      Parameters:
      text - the code to be created without checksum
      Returns:
      the bars
    • getBarcodeSize

      public Rectangle getBarcodeSize()
      Gets the maximum area that the barcode and the text, if any, will occupy. The lower left corner is always (0, 0).
      Specified by:
      getBarcodeSize in class Barcode
      Returns:
      the size the barcode occupies.
    • placeBarcode

      public Rectangle placeBarcode(PdfContentByte cb, Color barColor, Color textColor)
      Places the barcode in a PdfContentByte. The barcode is always placed at coordinates (0, 0). Use the translation matrix to move it elsewhere.

      The bars and text are written in the following colors:

      table of the colors of the bars and text

      barColor

      textColor

      Result

      null

      null

      bars and text painted with current fill color

      barColor

      null

      bars and text painted with barColor

      null

      textColor

      bars painted with current color
      text painted with textColor

      barColor

      textColor

      bars painted with barColor
      text painted with textColor

      Specified by:
      placeBarcode in class Barcode
      Parameters:
      cb - the PdfContentByte where the barcode will be placed
      barColor - the color of the bars. It can be null
      textColor - the color of the text. It can be null
      Returns:
      the dimensions the barcode occupies
    • createAwtImage

      public Image createAwtImage(Color foreground, Color background)
      Creates a java.awt.Image. This image only contains the bars without any text.
      Specified by:
      createAwtImage in class Barcode
      Parameters:
      foreground - the color of the bars
      background - the color of the background
      Returns:
      the image