Interface Writer

  • All Known Implementing Classes:
    QRCodeWriter

    public interface Writer
    The base class for all objects which encode/generate a barcode image.
    Author:
    dswitkin@google.com (Daniel Switkin)
    • Method Detail

      • encode

        BitMatrix encode​(String contents,
                         BarcodeFormat format,
                         int width,
                         int height)
                  throws WriterException
        Encode a barcode using the default settings.
        Parameters:
        contents - The contents to encode in the barcode
        format - The barcode format to generate
        width - The preferred width in pixels
        height - The preferred height in pixels
        Returns:
        BitMatrix representing encoded barcode image
        Throws:
        WriterException - if contents cannot be encoded legally in a format
      • encode

        BitMatrix encode​(String contents,
                         BarcodeFormat format,
                         int width,
                         int height,
                         Map<EncodeHintType,​?> hints)
                  throws WriterException
        Parameters:
        contents - The contents to encode in the barcode
        format - The barcode format to generate
        width - The preferred width in pixels
        height - The preferred height in pixels
        hints - Additional parameters to supply to the encoder
        Returns:
        BitMatrix representing encoded barcode image
        Throws:
        WriterException - if contents cannot be encoded legally in a format