Package com.itextpdf.barcodes.qrcode

Class QRCodeWriter

java.lang.Object
com.itextpdf.barcodes.qrcode.QRCodeWriter
public final class QRCodeWriter extends Object
This object renders a QR Code as a ByteMatrix 2D array of greyscale values.
Author:
dswitkin@google.com (Daniel Switkin)

  • Constructor Details

    • QRCodeWriter

      public QRCodeWriter()

  • Method Details

    • encode

      public ByteMatrix encode (String contents, int width, int height) throws WriterException
      Encode a string into a QR code with dimensions width x height, using error-correction level L and the smallest version for which he contents fit into the QR-code?
      Parameters:
      contents - String to encode into the QR code
      width - width of the QR-code
      height - height of the QR-code
      Returns:
      2D Greyscale map containing the visual representation of the QR-code, stored as a Bytematrix
      Throws:
      WriterException - exception is thrown in case an error occurs when encoding a barcode using the Writer framework

    • encode

      public ByteMatrix encode (String contents, int width, int height, Map<EncodeHintType,Object> hints) throws WriterException
      Encode a string into a QR code with dimensions width x height. Hints contains suggestions for error-correction level and version. The default error-correction level is L, the default version is the smallest version for which the contents will fit into the QR-code.
      Parameters:
      contents - String to encode into the QR code
      width - width of the QR-code
      height - height of the QR-code
      hints - Map containing suggestions for error-correction level and version
      Returns:
      2D Greyscale map containing the visual representation of the QR-code, stored as a Bytematrix
      Throws:
      WriterException - exception is thrown in case an error occurs when encoding a barcode using the Writer framework