Package com.google.zxing.qrcode

Class QRCodeWriter

java.lang.Object
com.google.zxing.qrcode.QRCodeWriter
All Implemented Interfaces:
Writer
public final class QRCodeWriter
extends Object
implements Writer
This object renders a QR Code as a BitMatrix 2D array of greyscale values.
Author:
dswitkin@google.com (Daniel Switkin)

  • Constructor Details

  • Method Details

    • encode

      public BitMatrix encode​(String contents, BarcodeFormat format, int width, int height) throws WriterException
      Description copied from interface: Writer
      Encode a barcode using the default settings.
      Specified by:
      encode in interface Writer
      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

      public BitMatrix encode​(String contents, BarcodeFormat format, int width, int height, Map<EncodeHintType,​?> hints) throws WriterException
      Specified by:
      encode in interface Writer
      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