Java 类com.google.zxing.qrcode.encoder.QRCode 实例源码

项目：OSCAR-ConCert 文件：QrCodeUtils.java

public static BufferedImage toSingleQrCodeBufferedImage(String s, ErrorCorrectionLevel ec, int scaleFactor) throws WriterException
{
    QRCode qrCode = new QRCode();
    Encoder.encode(s, ec, qrCode);

    BufferedImage bufferedImage=MatrixToImageWriter.toBufferedImage(qrCode.getMatrix());

    if (scaleFactor!=1)
    {
        int newWidth=bufferedImage.getWidth()*scaleFactor;
        int newHeight=bufferedImage.getHeight()*scaleFactor;
        Image image=bufferedImage.getScaledInstance(newWidth, newHeight, Image.SCALE_FAST);
        bufferedImage=ImageIoUtils.toBufferedImage(image);
    }

    return(bufferedImage);
}

项目：sturesy-android-client 文件：QRCodeGenerator.java

/**
 * Generates a QR-Code-Image from given String
 * 
 * @param url
 * @param width
 * @param height
 * @throws WriterException
 */
public static Bitmap getQRImage(String url, int size) {
    Bitmap mBitmap;
    BitMatrix bitMatrix;
    @SuppressWarnings("unused")
    QRCode qr = new QRCode();
    QRCodeWriter writer = new QRCodeWriter();
    mBitmap = Bitmap.createBitmap(size, size, Config.ARGB_8888);
    try {
        bitMatrix = writer.encode(url, BarcodeFormat.QR_CODE, size, size);
        for (int i = 0; i < size; i++) {
            for (int j = 0; j < size; j++) {
                mBitmap.setPixel(i, j, bitMatrix.get(i, j) ? Color.BLACK
                        : Color.WHITE);
            }
        }
    } catch (WriterException e) {
        e.printStackTrace();
    }
    return mBitmap;
}

项目：spayd 文件：SpaydQRFactory.java

/**
 * Generate a QR code with the payment information of a given size, optionally, with branded
 * @param paymentString A SPAYD string with payment information
 * @return An image with the payment QR code
 * @throws SpaydQRException
 */
public BufferedImage createQRCode(String paymentString) {
    notEmpty(paymentString);

    final BitMatrix matrix;
    final int barsize;
    final Writer writer = new MultiFormatWriter();
    try {
        final Map<EncodeHintType, Object> hints = new EnumMap<EncodeHintType, Object>(EncodeHintType.class);
        hints.put(EncodeHintType.CHARACTER_SET, "ISO-8859-1");
        final QRCode code = Encoder.encode(paymentString, ErrorCorrectionLevel.M, hints);
        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M);
        barsize = size / (code.getMatrix().getWidth() + 8);
        matrix = writer.encode(paymentString, BarcodeFormat.QR_CODE, size, size, hints);
    } catch (WriterException e) {
        throw new SpaydQRException("Unable to create QR code", e);
    }

    final BufferedImage image = MatrixToImageWriter.toBufferedImage(matrix);

    return isBranded() ? brandImage(image, barsize) : image;
}

项目：oscar-old 文件：QrCodeUtils.java

public static BufferedImage toSingleQrCodeBufferedImage(String s, ErrorCorrectionLevel ec, int scaleFactor) throws WriterException
{
    QRCode qrCode = new QRCode();
    Encoder.encode(s, ec, qrCode);

    BufferedImage bufferedImage=MatrixToImageWriter.toBufferedImage(qrCode.getMatrix());

    if (scaleFactor!=1)
    {
        int newWidth=bufferedImage.getWidth()*scaleFactor;
        int newHeight=bufferedImage.getHeight()*scaleFactor;
        Image image=bufferedImage.getScaledInstance(newWidth, newHeight, Image.SCALE_FAST);
        bufferedImage=ImageIoUtils.toBufferedImage(image);
    }

    return(bufferedImage);
}

项目：FaceBarCodeDemo 文件：FaceComposeActivity.java

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (resultCode == RESULT_OK) {
        switch (requestCode) {
            case TAKE_PICTURE:
                try {
                    mOriginal = BitmapFactory.decodeStream(getAssets().open("image/000.jpg"));
                    mOriginalIv.setImageBitmap(mOriginal);

                    QRCode qrcode = encodeQrcode(null);
                    Bitmap composedBmp = makeFaceQRCodeBt(mOriginal, null);
                    mPreviewIv.setImageBitmap(composedBmp);
                } catch (Exception e) {
                    e.printStackTrace();
                }
                break;
        }
    }
}

项目：FaceBarCodeDemo 文件：ImageComposeDemoActivity.java

@Override
public void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (resultCode == RESULT_OK) {
        switch (requestCode) {
            case TAKE_PICTURE:
                mOriginal = BitmapFactory.decodeFile(Environment.getExternalStorageDirectory() + "/test/1000.jpg");
                mOriginalIv.setImageBitmap(mOriginal);

                QRCode qrcode = encodeQrcode(null);
                Bitmap composedBmp = composeBinarization(null, qrcode);
                mPreviewIv.setImageBitmap(composedBmp);
                break;
        }
    }
}

项目：AwesomeQRCode 文件：AwesomeQRCode.java

/**
 * @param contents             Contents to encode.
 * @param errorCorrectionLevel ErrorCorrectionLevel
 * @return QR code object.
 * @throws WriterException Refer to the messages below.
 */
private static QRCode getProtoQRCode(String contents, ErrorCorrectionLevel errorCorrectionLevel) throws WriterException {
    if (contents.isEmpty()) {
        throw new IllegalArgumentException("Found empty contents");
    }
    Hashtable<EncodeHintType, Object> hintMap = new Hashtable<>();
    hintMap.put(EncodeHintType.CHARACTER_SET, "UTF-8");
    hintMap.put(EncodeHintType.ERROR_CORRECTION, errorCorrectionLevel);
    return Encoder.encode(contents, errorCorrectionLevel, hintMap);
}

项目：weex-3d-map 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：weex-3d-map 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：QrCode 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：QrCode 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：letv 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 << 1);
    int qrHeight = inputHeight + (quietZone << 1);
    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：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：UniqR 文件：Main.java

public static void main(String[] args) throws Exception {
    final BufferedImage background = ImageIO.read(Main.class.getResource("nyan_sakamoto.png"));

    Map<EncodeHintType, Object> hints = new HashMap<>();
    hints.put(EncodeHintType.QR_VERSION, 5);
    QRCode qrCode = Encoder.encode("Hello world, UniqR!", ErrorCorrectionLevel.H, hints);
    UniqR<BufferedImage> uniqR = new UniqR<>(new JavaSEPlatform(), background, new QrCodeData(qrCode));
    uniqR.setQrPatternColor(0xFF003366);
    uniqR.setScale(3);
    uniqR.setPadding(100);
    showImage(uniqR.build().produceResult(), "Image");
}

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

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：Tesseract-OCR-Scanner 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：QrCodeScanner 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：QrCodeScanner 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：PortraitZXing 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：PortraitZXing 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：PortraitZXing 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：PortraitZXing 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：ZXing-Orient 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints.get(EncodeHintType.ERROR_CORRECTION);
    if (requestedECLevel != null) {
      errorCorrectionLevel = requestedECLevel;
    }
    Integer quietZoneInt = (Integer) hints.get(EncodeHintType.MARGIN);
    if (quietZoneInt != null) {
      quietZone = quietZoneInt;
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：ZXing-Orient 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：event-app 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：event-app 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：weex-analyzer-android 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：weex-analyzer-android 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：weex-3d-map 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：weex-3d-map 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：Weex-TestDemo 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：Weex-TestDemo 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：Cardstore 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：Cardstore 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：QrScan_Demo 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints.get(EncodeHintType.ERROR_CORRECTION);
    if (requestedECLevel != null) {
      errorCorrectionLevel = requestedECLevel;
    }
    Integer quietZoneInt = (Integer) hints.get(EncodeHintType.MARGIN);
    if (quietZoneInt != null) {
      quietZone = quietZoneInt;
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：QrScan_Demo 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：weex 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.isEmpty()) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    if (hints.containsKey(EncodeHintType.ERROR_CORRECTION)) {
      errorCorrectionLevel = ErrorCorrectionLevel.valueOf(hints.get(EncodeHintType.ERROR_CORRECTION).toString());
    }
    if (hints.containsKey(EncodeHintType.MARGIN)) {
      quietZone = Integer.parseInt(hints.get(EncodeHintType.MARGIN).toString());
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：weex 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);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}

项目：sres-app 文件：QRCodeWriter.java

@Override
public BitMatrix encode(String contents,
                        BarcodeFormat format,
                        int width,
                        int height,
                        Map<EncodeHintType,?> hints) throws WriterException {

  if (contents.length() == 0) {
    throw new IllegalArgumentException("Found empty contents");
  }

  if (format != BarcodeFormat.QR_CODE) {
    throw new IllegalArgumentException("Can only encode QR_CODE, but got " + format);
  }

  if (width < 0 || height < 0) {
    throw new IllegalArgumentException("Requested dimensions are too small: " + width + 'x' +
        height);
  }

  ErrorCorrectionLevel errorCorrectionLevel = ErrorCorrectionLevel.L;
  int quietZone = QUIET_ZONE_SIZE;
  if (hints != null) {
    ErrorCorrectionLevel requestedECLevel = (ErrorCorrectionLevel) hints.get(EncodeHintType.ERROR_CORRECTION);
    if (requestedECLevel != null) {
      errorCorrectionLevel = requestedECLevel;
    }
    Integer quietZoneInt = (Integer) hints.get(EncodeHintType.MARGIN);
    if (quietZoneInt != null) {
      quietZone = quietZoneInt;
    }
  }

  QRCode code = Encoder.encode(contents, errorCorrectionLevel, hints);
  return renderResult(code, width, height, quietZone);
}

项目：sres-app 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 << 1);
  int qrHeight = inputHeight + (quietZone << 1);
  int outputWidth = Math.max(width, qrWidth);
  int outputHeight = Math.max(height, qrHeight);

  int multiple = Math.min(outputWidth / qrWidth, outputHeight / qrHeight);
  // Padding includes both the quiet zone and the extra white pixels to accommodate the requested
  // dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
  // If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
  // handle all the padding from 100x100 (the actual QR) up to 200x160.
  int leftPadding = (outputWidth - (inputWidth * multiple)) / 2;
  int topPadding = (outputHeight - (inputHeight * multiple)) / 2;

  BitMatrix output = new BitMatrix(outputWidth, outputHeight);

  for (int inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
    // Write the contents of this row of the barcode
    for (int inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
      if (input.get(inputX, inputY) == 1) {
        output.setRegion(outputX, outputY, multiple, multiple);
      }
    }
  }

  return output;
}