Java 类com.google.zxing.common.BitMatrix 实例源码

项目：ZxingForAndroid 文件：QRCodeEncoder.java

/**
 * 同步创建指定前景色、指定背景色、带logo的二维码图片。该方法是耗时操作，请在子线程中调用。
 *
 * @param content         要生成的二维码图片内容
 * @param size            图片宽高，单位为px
 * @param foregroundColor 二维码图片的前景色
 * @param backgroundColor 二维码图片的背景色
 * @param logo            二维码图片的logo
 */
public static Bitmap syncEncodeQRCode(String content, int size, int foregroundColor, int backgroundColor, Bitmap logo) {
    try {
        BitMatrix matrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, size, size, HINTS);
        int[] pixels = new int[size * size];
        for (int y = 0; y < size; y++) {
            for (int x = 0; x < size; x++) {
                if (matrix.get(x, y)) {
                    pixels[y * size + x] = foregroundColor;
                } else {
                    pixels[y * size + x] = backgroundColor;
                }
            }
        }
        Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
        return addLogoToQRCode(bitmap, logo);
    } catch (Exception e) {
        return null;
    }
}

项目：OSchina_resources_android 文件：QrCodeUtils.java

/**
 * 传入字符串生成二维码
 *
 * @param str
 * @return
 * @throws WriterException
 */
public static Bitmap Create2DCode(String str) throws WriterException {
    // 生成二维矩阵,编码时指定大小,不要生成了图片以后再进行缩放,这样会模糊导致识别失败
    BitMatrix matrix = new MultiFormatWriter().encode(str,
            BarcodeFormat.QR_CODE, 300, 300);
    int width = matrix.getWidth();
    int height = matrix.getHeight();
    // 二维矩阵转为一维像素数组,也就是一直横着排了
    int[] pixels = new int[width * height];
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            if (matrix.get(x, y)) {
                pixels[y * width + x] = 0xff000000;
            }

        }
    }

    Bitmap bitmap = Bitmap.createBitmap(width, height,
            Bitmap.Config.ARGB_8888);
    // 通过像素数组生成bitmap,具体参考api
    bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return bitmap;
}

项目：Cable-Android 文件：QrCode.java

public static @NonNull Bitmap create(String data) {
  try {
    BitMatrix result = new QRCodeWriter().encode(data, BarcodeFormat.QR_CODE, 512, 512);
    Bitmap    bitmap = Bitmap.createBitmap(result.getWidth(), result.getHeight(), Bitmap.Config.ARGB_8888);

    for (int y = 0; y < result.getHeight(); y++) {
      for (int x = 0; x < result.getWidth(); x++) {
        if (result.get(x, y)) {
          bitmap.setPixel(x, y, Color.BLACK);
        }
      }
    }

    return bitmap;
  } catch (WriterException e) {
    Log.w(TAG, e);
    return Bitmap.createBitmap(512, 512, Bitmap.Config.ARGB_8888);
  }
}

项目：keepass2android 文件：QRCodeEncoder.java

public Bitmap encodeAsBitmap() throws WriterException {
    if (!encoded) return null;

    Map<EncodeHintType, Object> hints = null;
    String encoding = guessAppropriateEncoding(contents);
    hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
    if (encoding != null) {

        hints.put(EncodeHintType.CHARACTER_SET, encoding);
    }
    hints.put(EncodeHintType.MARGIN, 2); /* default = 4 */  


    MultiFormatWriter writer = new MultiFormatWriter();
    BitMatrix result = writer.encode(contents, format, dimension, dimension, hints);
    int width = result.getWidth();
    int height = result.getHeight();
    int[] pixels = new int[width * height];
    // All are 0, or black, by default
    for (int y = 0; y < height; y++) {
        int offset = y * width;
        for (int x = 0; x < width; x++) {
            pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
        }
    }

    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return bitmap;
}

项目：RLibrary 文件：QRCodeEncoder.java

/**
 * 同步创建指定前景色、指定背景色、带logo的二维码图片。该方法是耗时操作，请在子线程中调用。
 *
 * @param content         要生成的二维码图片内容
 * @param size            图片宽高，单位为px
 * @param foregroundColor 二维码图片的前景色
 * @param backgroundColor 二维码图片的背景色
 * @param logo            二维码图片的logo
 */
public static Bitmap syncEncodeQRCode(String content, int size, int foregroundColor, int backgroundColor, Bitmap logo) {
    try {
        BitMatrix matrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, size, size, HINTS);
        int[] pixels = new int[size * size];
        for (int y = 0; y < size; y++) {
            for (int x = 0; x < size; x++) {
                if (matrix.get(x, y)) {
                    pixels[y * size + x] = foregroundColor;
                } else {
                    pixels[y * size + x] = backgroundColor;
                }
            }
        }
        Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
        return addLogoToQRCode(bitmap, logo);
    } catch (Exception e) {
        return null;
    }
}

项目：DailyStudy 文件：QRCodeHelper.java

/**
 * 生成二维码
 *
 * @param content 二维码内容
 * @param size    二维码内容大小
 * @param color   二维码颜色
 */
public static Bitmap createQRCode(String content, int size,int bgColor, int color) {
    try {
        Hashtable<EncodeHintType, String> hints = new Hashtable<>();
        hints.put(EncodeHintType.CHARACTER_SET, CHARACTER_SET);
        BitMatrix bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, size, size, hints);
        int[] pixels = new int[size * size];
        for (int y = 0; y < size; y++) {
            for (int x = 0; x < size; x++) {
                if (bitMatrix.get(x, y)) {
                    pixels[y * size + x] = color;
                } else {
                    pixels[y * size + x] = bgColor;
                }
            }
        }
        Bitmap bitmap = Bitmap.createBitmap(size, size, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, size, 0, 0, size, size);
        return bitmap;
    } catch (WriterException e) {
        return null;
    }
}

项目：awe-awesomesky 文件：CodeUtil.java

/**
 * 生成条形二维码
 */
public static byte[] encode(String contents, int width, int height, String imgPath) {
    int codeWidth = 3 + // start guard
            (7 * 6) + // left bars
            5 + // middle guard
            (7 * 6) + // right bars
            3; // end guard
    codeWidth = Math.max(codeWidth, width);
    byte[] buf = null;
    try {
        BitMatrix bitMatrix = new MultiFormatWriter().encode(contents,
                BarcodeFormat.CODE_128, codeWidth, height, null);
        BufferedImage image = MatrixToImageWriter.toBufferedImage(bitMatrix);
        ByteArrayOutputStream out = new ByteArrayOutputStream();
      ImageIO.write(image, FORMAT_NAME, out);
      out.close();
buf = out.toByteArray();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return buf;
}

项目：zxing_qrcode_demo 文件：EncodingHandler.java

public static Bitmap createQRCode(String content, int widthAndHeight) {
    if (TextUtils.isEmpty(content)) return null;
    try {
        Hashtable<EncodeHintType, Object> hints = new Hashtable<EncodeHintType, Object>();
        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
        //Fault tolerance level. MAX
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
        //Set the width of the blank margin.
        hints.put(EncodeHintType.MARGIN, 0);
        BitMatrix matrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, widthAndHeight, widthAndHeight);

        int width = matrix.getWidth();
        int height = matrix.getHeight();
        int[] pixels = new int[width * height];

        for (int y = 0; y < height; y++) {
            for (int x = 0; x < width; x++) {
                if (matrix.get(x, y)) {
                    pixels[y * width + x] = 0xff000000;
                }
            }
        }
        Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, width, 0, 0, width, height);

        return bitmap;
    } catch (WriterException e) {
        e.printStackTrace();
    }
    return null;
}

项目：androidtools 文件：QRCodeUtils.java

/**
 * Generate a two-dimensional code image
 *
 * @param content                  An incoming string, usually a URL
 * @param widthAndHeight           widthAndHeight
 * @param openErrorCorrectionLevel Does fault tolerance open?
 * @return A two-dimensional code image [Bitmap]
 */
public static Bitmap createQRCode(String content, int widthAndHeight, boolean openErrorCorrectionLevel) {
    try {
        if (TextUtils.isEmpty(content) || TextUtils.equals("null", content) || "".equals(content)) {
            return null;
        }
        //Processing Chinese characters, if you do not need to change the source code, convert the string into ISO-8859-1 code.
        Map hints = openErrorCorrectionLevel(openErrorCorrectionLevel);
        BitMatrix matrix = new MultiFormatWriter().encode(new String(content.getBytes("UTF-8"), "ISO-8859-1"), BarcodeFormat.QR_CODE, widthAndHeight, widthAndHeight, hints);
        matrix = updateBit(matrix, 8);
        Bitmap bitmap = generateQRBitmap(matrix);
        return bitmap;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

项目：PeSanKita-android 文件：QrCode.java

public static @NonNull Bitmap create(String data) {
  try {
    BitMatrix result = new QRCodeWriter().encode(data, BarcodeFormat.QR_CODE, 512, 512);
    Bitmap    bitmap = Bitmap.createBitmap(result.getWidth(), result.getHeight(), Bitmap.Config.ARGB_8888);

    for (int y = 0; y < result.getHeight(); y++) {
      for (int x = 0; x < result.getWidth(); x++) {
        if (result.get(x, y)) {
          bitmap.setPixel(x, y, Color.BLACK);
        }
      }
    }

    return bitmap;
  } catch (WriterException e) {
    Log.w(TAG, e);
    return Bitmap.createBitmap(512, 512, Bitmap.Config.ARGB_8888);
  }
}

项目：Udhari 文件：QrCodeActivity.java

private Bitmap endcode(String input) {
    BarcodeFormat format = BarcodeFormat.QR_CODE;
    EnumMap<EncodeHintType, Object> hint = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
    hint.put(EncodeHintType.CHARACTER_SET, "UTF-8");
    BitMatrix result = null;
    try {
        result = new MultiFormatWriter().encode(input, BarcodeFormat.QR_CODE, 500, 500, hint);
    } catch (WriterException e) {
        e.printStackTrace();
    }
    int w = result.getWidth();
    int h = result.getHeight();
    int[] pixels = new int[w * h];
    for (int y = 0; y < h; y++) {
        int offset = y * w;
        for (int x = 0; x < w; x++) {
            pixels[offset + x] = result.get(x, y) ? BLACK : WHITE;
        }
    }
    Bitmap bit = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
    bit.setPixels(pixels, 0, w, 0, 0, w, h);
    ImageView imageView = (ImageView) findViewById(R.id.qr_code_id);
    imageView.setImageBitmap(bit);
    return bit;
}

项目：Nird2 文件：QrCodeUtils.java

@Nullable
static Bitmap createQrCode(DisplayMetrics dm, String input) {
    int smallestDimen = Math.min(dm.widthPixels, dm.heightPixels);
    try {
        // Generate QR code
        final BitMatrix encoded = new QRCodeWriter().encode(
                input, QR_CODE, smallestDimen, smallestDimen);
        // Convert QR code to Bitmap
        int width = encoded.getWidth();
        int height = encoded.getHeight();
        int[] pixels = new int[width * height];
        for (int x = 0; x < width; x++) {
            for (int y = 0; y < height; y++) {
                pixels[y * width + x] = encoded.get(x, y) ? BLACK : WHITE;
            }
        }
        Bitmap qr = Bitmap.createBitmap(width, height, ARGB_8888);
        qr.setPixels(pixels, 0, width, 0, 0, width, height);
        return qr;
    } catch (WriterException e) {
        if (LOG.isLoggable(WARNING)) LOG.log(WARNING, e.toString(), e);
        return null;
    }
}

项目：QrCode 文件：QRCodeReader.java

private static float moduleSize(int[] leftTopBlack, BitMatrix image) throws NotFoundException {
  int height = image.getHeight();
  int width = image.getWidth();
  int x = leftTopBlack[0];
  int y = leftTopBlack[1];
  boolean inBlack = true;
  int transitions = 0;
  while (x < width && y < height) {
    if (inBlack != image.get(x, y)) {
      if (++transitions == 5) {
        break;
      }
      inBlack = !inBlack;
    }
    x++;
    y++;
  }
  if (x == width || y == height) {
    throw NotFoundException.getNotFoundInstance();
  }
  return (x - leftTopBlack[0]) / 7.0f;
}

项目：weex-3d-map 文件：Encoder.java

private static void drawBullsEye(BitMatrix matrix, int center, int size) {
  for (int i = 0; i < size; i += 2) {
    for (int j = center - i; j <= center + i; j++) {
      matrix.set(j, center - i);
      matrix.set(j, center + i);
      matrix.set(center - i, j);
      matrix.set(center + i, j);
    }
  }
  matrix.set(center - size, center - size);
  matrix.set(center - size + 1, center - size);
  matrix.set(center - size, center - size + 1);
  matrix.set(center + size, center - size);
  matrix.set(center + size, center - size + 1);
  matrix.set(center + size, center + size - 1);
}

项目：weex-3d-map 文件：MaxiCodeReader.java

@Override
public Result decode(BinaryBitmap image, Map<DecodeHintType,?> hints)
    throws NotFoundException, ChecksumException, FormatException {
  DecoderResult decoderResult;
  if (hints != null && hints.containsKey(DecodeHintType.PURE_BARCODE)) {
    BitMatrix bits = extractPureBits(image.getBlackMatrix());
    decoderResult = decoder.decode(bits, hints);
  } else {
    throw NotFoundException.getNotFoundInstance();
  }

  ResultPoint[] points = NO_POINTS;
  Result result = new Result(decoderResult.getText(), decoderResult.getRawBytes(), points, BarcodeFormat.MAXICODE);

  String ecLevel = decoderResult.getECLevel();
  if (ecLevel != null) {
    result.putMetadata(ResultMetadataType.ERROR_CORRECTION_LEVEL, ecLevel);
  }
  return result;
}

项目：weex-3d-map 文件：DataMatrixWriter.java

/**
 * Convert the ByteMatrix to BitMatrix.
 *
 * @param matrix The input matrix.
 * @return The output matrix.
 */
private static BitMatrix convertByteMatrixToBitMatrix(ByteMatrix matrix) {
  int matrixWidgth = matrix.getWidth();
  int matrixHeight = matrix.getHeight();

  BitMatrix output = new BitMatrix(matrixWidgth, matrixHeight);
  output.clear();
  for (int i = 0; i < matrixWidgth; i++) {
    for (int j = 0; j < matrixHeight; j++) {
      // Zero is white in the bytematrix
      if (matrix.get(i, j) == 1) {
        output.set(i, j);
      }
    }
  }

  return output;
}

项目：tvConnect_android 文件：EncodingHandler.java

public static Bitmap createQRCode(String str, int size) throws WriterException {
    Hashtable<EncodeHintType, String> hints = new Hashtable<EncodeHintType, String>();
    hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
    BitMatrix matrix = new MultiFormatWriter().encode(str, BarcodeFormat.QR_CODE, size, size);
    int width = matrix.getWidth();
    int height = matrix.getHeight();
    int[] pixels = new int[width * height];
    for(int x = 0; x < width; x ++){
        for(int y = 0; y < height; y ++){
            if(matrix.get(x, y)){
                pixels[y * width + x] = BLACK;
            }
        }
    }
    Bitmap bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
    bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
    return bitmap;
}

项目：Tesseract-OCR-Scanner 文件：AlignmentPatternFinder.java

/**
 * <p>Creates a finder that will look in a portion of the whole image.</p>
 *
 * @param image image to search
 * @param startX left column from which to start searching
 * @param startY top row from which to start searching
 * @param width width of region to search
 * @param height height of region to search
 * @param moduleSize estimated module size so far
 */
AlignmentPatternFinder(BitMatrix image,
                       int startX,
                       int startY,
                       int width,
                       int height,
                       float moduleSize,
                       ResultPointCallback resultPointCallback) {
  this.image = image;
  this.possibleCenters = new ArrayList<>(5);
  this.startX = startX;
  this.startY = startY;
  this.width = width;
  this.height = height;
  this.moduleSize = moduleSize;
  this.crossCheckStateCount = new int[3];
  this.resultPointCallback = resultPointCallback;
}

项目：weex-3d-map 文件：BitMatrixParser.java

/**
 * @param bitMatrix {@link BitMatrix} to parse
 * @throws FormatException if dimension is < 8 or > 144 or not 0 mod 2
 */
BitMatrixParser(BitMatrix bitMatrix) throws FormatException {
  int dimension = bitMatrix.getHeight();
  if (dimension < 8 || dimension > 144 || (dimension & 0x01) != 0) {
    throw FormatException.getFormatInstance();
  }

  version = readVersion(bitMatrix);
  this.mappingBitMatrix = extractDataRegion(bitMatrix);
  this.readMappingMatrix = new BitMatrix(this.mappingBitMatrix.getWidth(), this.mappingBitMatrix.getHeight());
}

项目：QrCode 文件：Code39Writer.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {
  if (format != BarcodeFormat.CODE_39) {
    throw new IllegalArgumentException("Can only encode CODE_39, but got " + format);
  }
  return super.encode(contents, format, width, height, hints);
}

项目：hackmelock-android 文件：ShareActivity.java

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_share);

    QRImage = (ImageView)findViewById(R.id.QRCode);

    buttonGenerate = (Button)findViewById(R.id.button_generate);
    buttonGenerate.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View view) {
            QRCodeWriter writer = new QRCodeWriter();
            hackmelockDevice = dbHelper.getConfig();

            String toEncode = utils.majorMinorToHexString(hackmelockDevice.Major, hackmelockDevice.Minor) + ":" +
                    utils.bytesToHex(hackmelockDevice.keys[KeyID]) + ":" + KeyID +":" + System.currentTimeMillis()/1000 + ":" + DateTo;
            Log.d("Share","Text to encode: " + toEncode); //contains sensitive information (key)
            try {
                BitMatrix bitMatrix = writer.encode(toEncode, BarcodeFormat.QR_CODE, 256, 256);
                int width = bitMatrix.getWidth();
                int height = bitMatrix.getHeight();
                Bitmap bmp = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
                for (int x = 0; x < width; x++) {
                    for (int y = 0; y < height; y++) {
                        bmp.setPixel(x, y, bitMatrix.get(x, y) ? Color.BLACK : Color.WHITE);
                    }
                }
                QRImage.setImageBitmap(bmp);
                QRImage.setVisibility(View.VISIBLE);

                buttonGenerate.setVisibility(View.VISIBLE);
            } catch (WriterException e) {
                e.printStackTrace();
            }
        }
    });
}

项目：boohee_v5.6 文件：Decoder.java

public DecoderResult decode(boolean[][] image, Map<DecodeHintType, ?> hints) throws
        ChecksumException, FormatException {
    int dimension = image.length;
    BitMatrix bits = new BitMatrix(dimension);
    for (int i = 0; i < dimension; i++) {
        for (int j = 0; j < dimension; j++) {
            if (image[i][j]) {
                bits.set(j, i);
            }
        }
    }
    return decode(bits, (Map) hints);
}

项目：Smart_City 文件：QRGenerator.java

private static void createQRImage(File qrFile, String qrCodeText, int size,
        String fileType) throws WriterException, IOException {
    // Create the ByteMatrix for the QR-Code that encodes the given String
    Hashtable hintMap = new Hashtable();
    hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
    QRCodeWriter qrCodeWriter = new QRCodeWriter();
    BitMatrix byteMatrix = qrCodeWriter.encode(qrCodeText,
            BarcodeFormat.QR_CODE, size, size, hintMap);
    // Make the BufferedImage that are to hold the QRCode
    int matrixWidth = byteMatrix.getWidth();
    BufferedImage image = new BufferedImage(matrixWidth, matrixWidth,
            BufferedImage.TYPE_INT_RGB);
    image.createGraphics();

    Graphics2D graphics = (Graphics2D) image.getGraphics();
    graphics.setColor(Color.WHITE);
    graphics.fillRect(0, 0, matrixWidth, matrixWidth);
    // Paint and save the image using the ByteMatrix
    graphics.setColor(Color.BLACK);

    for (int i = 0; i < matrixWidth; i++) {
        for (int j = 0; j < matrixWidth; j++) {
            if (byteMatrix.get(i, j)) {
                graphics.fillRect(i, j, 1, 1);
            }
        }
    }
    ImageIO.write(image, fileType, qrFile);
}

项目：QrCode 文件：Decoder.java

/**
 * <p>Convenience method that can decode a QR Code represented as a 2D array of booleans.
 * "true" is taken to mean a black module.</p>
 *
 * @param image booleans representing white/black QR Code modules
 * @param hints decoding hints that should be used to influence decoding
 * @return text and bytes encoded within the QR Code
 * @throws FormatException if the QR Code cannot be decoded
 * @throws ChecksumException if error correction fails
 */
public DecoderResult decode(boolean[][] image, Map<DecodeHintType,?> hints)
    throws ChecksumException, FormatException {
  int dimension = image.length;
  BitMatrix bits = new BitMatrix(dimension);
  for (int i = 0; i < dimension; i++) {
    for (int j = 0; j < dimension; j++) {
      if (image[i][j]) {
        bits.set(j, i);
      }
    }
  }
  return decode(bits, hints);
}

项目：digital-display-garden-iteration-2-spraguesanborn 文件：QRCodeMaker.java

public static void createQRCode(String qrCodeData, String filePath,
                                String charset, Map hintMap, int qrCodeheight, int qrCodewidth)
        throws WriterException, IOException {
    BitMatrix matrix = new MultiFormatWriter().encode(
            new String(qrCodeData.getBytes(charset), charset),
            BarcodeFormat.QR_CODE, qrCodewidth, qrCodeheight, hintMap);

    Object object = new Object();

    MatrixToImageWriter.writeToFile(matrix, filePath.substring(filePath
            .lastIndexOf('.') + 1), new File(filePath));


}

项目：boohee_v5.6 文件：EAN8Writer.java

public BitMatrix encode(String contents, BarcodeFormat format, int width, int height,
                        Map<EncodeHintType, ?> hints) throws WriterException {
    if (format == BarcodeFormat.EAN_8) {
        return super.encode(contents, format, width, height, hints);
    }
    throw new IllegalArgumentException("Can only encode EAN_8, but got " + format);
}

项目：GCSApp 文件：BitmapUtil.java

public static Bitmap createQrCode(String contents, int desiredWidth, int desiredHeight) {
        Map<EncodeHintType, Object> hints = new HashMap<EncodeHintType, Object>();
        hints.put(EncodeHintType.CHARACTER_SET, "UTF8");
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
        hints.put(EncodeHintType.MARGIN, 2);
        MultiFormatWriter writer = new MultiFormatWriter();
        BitMatrix result = null;
        try {
            result = writer.encode(contents, BarcodeFormat.QR_CODE, desiredWidth,
                    desiredHeight, hints);
        } catch (WriterException e) {
        }
        int width = result.getWidth();
        int height = result.getHeight();
        int[] pixels = new int[width * height];
        // All are 0, or black, by default
        for (int y = 0; y < height; y++) {
            int offset = y * width;
            for (int x = 0; x < width; x++) {
                pixels[offset + x] = result.get(x, y) ? 0xFF000000 : 0xFFFFFFFF;
            }
        }
        Bitmap bitmap = Bitmap.createBitmap(width, height, Config.RGB_565);
//      Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
        System.gc();
        return bitmap;
    }

项目：qrcode-utils 文件：MatrixToImageWriter.java

public static void writeToStream(BitMatrix matrix, String format, OutputStream stream)
  throws IOException {
  BufferedImage image = toBufferedImage(matrix);
  if (!ImageIO.write(image, format, stream)) {
    throw new IOException("Could not write an image of format " + format);
  }
}

项目：QrCode 文件：UPCEWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType, ?> hints) throws WriterException {
  if (format != BarcodeFormat.UPC_E) {
    throw new IllegalArgumentException("Can only encode UPC_E, but got " + format);
  }

  return super.encode(contents, format, width, height, hints);
}

项目：androidtools 文件：QRCodeUtils.java

/**
 * Generate a two-dimensional code image
 *
 * @param content content
 * @return A two-dimensional code image
 */
public static Bitmap createQRCode(String content) {
    try {
        if (TextUtils.isEmpty(content) || TextUtils.equals("null", content) || "".equals(content)) {
            return null;
        }
        BitMatrix matrix = new MultiFormatWriter().encode(new String(content.getBytes("UTF-8"), "iso-8859-1"), BarcodeFormat.QR_CODE, 200, 200);
        Bitmap bitmap = generateQRBitmap(matrix);
        return bitmap;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

项目：digital-display-garden-iteration-4-dorfner-v2 文件：QRCodes.java

public static BufferedImage createQRCode(String qrCodeData, String charset, Map hintMap, int qrCodeheight, int qrCodewidth)
        throws WriterException, IOException {
    //Create the BitMatrix representing the QR code
    BitMatrix matrix = new MultiFormatWriter().encode(
            new String(qrCodeData.getBytes(charset), charset),
            BarcodeFormat.QR_CODE, qrCodewidth, qrCodeheight, hintMap);

    //Create BufferedImages from the QRCode BitMatricies
    return MatrixToImageWriter.toBufferedImage(matrix);
}

项目：Tesseract-OCR-Scanner 文件：Code39Writer.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {
  if (format != BarcodeFormat.CODE_39) {
    throw new IllegalArgumentException("Can only encode CODE_39, but got " + format);
  }
  return super.encode(contents, format, width, height, hints);
}

项目：boohee_v5.6 文件：AztecDetectorResult.java

public AztecDetectorResult(BitMatrix bits, ResultPoint[] points, boolean compact, int
        nbDatablocks, int nbLayers) {
    super(bits, points);
    this.compact = compact;
    this.nbDatablocks = nbDatablocks;
    this.nbLayers = nbLayers;
}

项目：atlant-android 文件：BitmapUtils.java

static public Bitmap generateBitmap(@NonNull String contentsToEncode,
    int imageWidth, int imageHeight,
    int marginSize) throws WriterException {

  Map<EncodeHintType, Object> hints = new EnumMap<>(EncodeHintType.class);
  hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);

  if (marginSize != MARGIN_AUTOMATIC) {
    // We want to generate with a custom margin size
    hints.put(EncodeHintType.MARGIN, marginSize);
  }

  MultiFormatWriter writer = new MultiFormatWriter();
  BitMatrix result = writer
      .encode(contentsToEncode, BarcodeFormat.QR_CODE, imageWidth, imageHeight, hints);

  final int width = result.getWidth();
  final int height = result.getHeight();
  int[] pixels = new int[width * height];
  for (int y = 0; y < height; y++) {
    int offset = y * width;
    for (int x = 0; x < width; x++) {
      pixels[offset + x] = result.get(x, y) ? colorBack : colorWhite;
    }
  }
  Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
  bitmap.setPixels(pixels, 0, width, 0, 0, width, height);
  return bitmap;
}

项目：weex-3d-map 文件：Decoder.java

public DecoderResult decode(AztecDetectorResult detectorResult) throws FormatException {
  ddata = detectorResult;
  BitMatrix matrix = detectorResult.getBits();
  boolean[] rawbits = extractBits(matrix);
  boolean[] correctedBits = correctBits(rawbits);
  String result = getEncodedData(correctedBits);
  return new DecoderResult(null, result, null, null);
}

项目：SmartButler 文件：EncodingUtils.java

/**
 * 创建二维码
 *
 * @param content   content
 * @param widthPix  widthPix
 * @param heightPix heightPix
 * @param logoBm    logoBm
 * @return 二维码
 */
public static Bitmap createQRCode(String content, int widthPix, int heightPix, Bitmap logoBm) {
    try {
        if (content == null || "".equals(content)) {
            return null;
        }
        // 配置参数
        Map<EncodeHintType, Object> hints = new HashMap<>();
        hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
        // 容错级别
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
        // 图像数据转换，使用了矩阵转换
        BitMatrix bitMatrix = new QRCodeWriter().encode(content, BarcodeFormat.QR_CODE, widthPix,
                heightPix, hints);
        int[] pixels = new int[widthPix * heightPix];
        // 下面这里按照二维码的算法，逐个生成二维码的图片，
        // 两个for循环是图片横列扫描的结果
        for (int y = 0; y < heightPix; y++) {
            for (int x = 0; x < widthPix; x++) {
                if (bitMatrix.get(x, y)) {
                    pixels[y * widthPix + x] = 0xff000000;
                } else {
                    pixels[y * widthPix + x] = 0xffffffff;
                }
            }
        }
        // 生成二维码图片的格式，使用ARGB_8888
        Bitmap bitmap = Bitmap.createBitmap(widthPix, heightPix, Bitmap.Config.ARGB_8888);
        bitmap.setPixels(pixels, 0, widthPix, 0, 0, widthPix, heightPix);
        if (logoBm != null) {
            bitmap = addLogo(bitmap, logoBm);
        }
        //必须使用compress方法将bitmap保存到文件中再进行读取。直接返回的bitmap是没有任何压缩的，内存消耗巨大！
        return bitmap;
    } catch (WriterException e) {
        e.printStackTrace();
    }
    return null;
}

项目：boohee_v5.6 文件：QRCodeWriter.java

private static BitMatrix renderResult(QRCode code, int width, int height, int quietZone) {
    ByteMatrix input = code.getMatrix();
    if (input == null) {
        throw new IllegalStateException();
    }
    int inputWidth = input.getWidth();
    int inputHeight = input.getHeight();
    int qrWidth = inputWidth + (quietZone * 2);
    int qrHeight = inputHeight + (quietZone * 2);
    int outputWidth = Math.max(width, qrWidth);
    int outputHeight = Math.max(height, qrHeight);
    int multiple = Math.min(outputWidth / qrWidth, outputHeight / qrHeight);
    int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
    int topPadding = (outputHeight - (inputHeight * multiple)) / 2;
    BitMatrix output = new BitMatrix(outputWidth, outputHeight);
    int inputY = 0;
    int outputY = topPadding;
    while (inputY < inputHeight) {
        int inputX = 0;
        int outputX = leftPadding;
        while (inputX < inputWidth) {
            if (input.get(inputX, inputY) == (byte) 1) {
                output.setRegion(outputX, outputY, multiple, multiple);
            }
            inputX++;
            outputX += multiple;
        }
        inputY++;
        outputY += multiple;
    }
    return output;
}

项目：boohee_v5.6 文件：PDF417ScanningDecoder.java

private static Codeword detectCodeword(BitMatrix image, int minColumn, int maxColumn, boolean
        leftToRight, int startColumn, int imageRow, int minCodewordWidth, int
        maxCodewordWidth) {
    startColumn = adjustCodewordStartColumn(image, minColumn, maxColumn, leftToRight,
            startColumn, imageRow);
    int[] moduleBitCount = getModuleBitCount(image, minColumn, maxColumn, leftToRight,
            startColumn, imageRow);
    if (moduleBitCount == null) {
        return null;
    }
    int endColumn;
    int codewordBitCount = PDF417Common.getBitCountSum(moduleBitCount);
    if (leftToRight) {
        endColumn = startColumn + codewordBitCount;
    } else {
        for (int i = 0; i < moduleBitCount.length / 2; i++) {
            int tmpCount = moduleBitCount[i];
            moduleBitCount[i] = moduleBitCount[(moduleBitCount.length - 1) - i];
            moduleBitCount[(moduleBitCount.length - 1) - i] = tmpCount;
        }
        endColumn = startColumn;
        startColumn = endColumn - codewordBitCount;
    }
    if (!checkCodewordSkew(codewordBitCount, minCodewordWidth, maxCodewordWidth)) {
        return null;
    }
    int decodedValue = PDF417CodewordDecoder.getDecodedValue(moduleBitCount);
    int codeword = PDF417Common.getCodeword(decodedValue);
    if (codeword == -1) {
        return null;
    }
    return new Codeword(startColumn, endColumn, getCodewordBucketNumber(decodedValue),
            codeword);
}

项目：payment-wechat 文件：ZxingUtil.java

public static void qrCode(int width,int height,String content,String suffix,String imgPath){
    Hashtable<EncodeHintType, String> hints= new Hashtable<EncodeHintType, String>();
    hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
    BitMatrix bitMatrix;
    try {
        bitMatrix = new MultiFormatWriter().encode(content, BarcodeFormat.QR_CODE, width, height,hints);
        bitMatrix = deleteWhite(bitMatrix);
File outputFile = new File(imgPath);
        MatrixToImageWriter.writeToFile(bitMatrix, suffix, outputFile);
    } catch (Exception e) {
        e.printStackTrace();
    }
 }

项目：digital-display-garden-iteration-4-revolverenguardia-1 文件：QRCodes.java

public static BufferedImage createQRCode(String qrCodeData, String charset, Map hintMap, int qrCodeheight, int qrCodewidth)
        throws WriterException, IOException {
    //Create the BitMatrix representing the QR code
    BitMatrix matrix = new MultiFormatWriter().encode(
            new String(qrCodeData.getBytes(charset), charset),
            BarcodeFormat.QR_CODE, qrCodewidth, qrCodeheight, hintMap);

    //Create BufferedImages from the QRCode BitMatricies
    return MatrixToImageWriter.toBufferedImage(matrix);
}