com.google.zxing.qrcode.QRCodeReader Java Exaples

Source File: BarcodeScanCameraActivity.java From android-opensource-library-56 with Apache License 2.0

6 votes

@Override
public void onPreviewFrame(byte[] data, Camera camera) {
    int previewWidth = camera.getParameters().getPreviewSize().width;
    int previewHeight = camera.getParameters().getPreviewSize().height;

    PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(
            data, previewWidth, previewHeight, 0, 0, previewWidth,
            previewHeight, false);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

    Reader reader = new QRCodeReader();
    try {

        Result result = reader.decode(bitmap);
        String text = result.getText();

        Intent intent = new Intent();
        intent.setData(Uri.parse(text));
        setResult(RESULT_OK, intent);
        finish();
    } catch (Exception e) {
        e.printStackTrace();
        Toast.makeText(getApplicationContext(), "Not Found",
                Toast.LENGTH_SHORT).show();
    }
}

Source File: QrCodeCreateUtil.java From java-study with Apache License 2.0

6 votes

/**
 * 读二维码并输出携带的信息
 */
public static void readQrCode(InputStream inputStream) throws IOException {
    //从输入流中获取字符串信息
    BufferedImage image = ImageIO.read(inputStream);
    //将图像转换为二进制位图源
    LuminanceSource source = new BufferedImageLuminanceSource(image);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    Result result = null;
    try {
        result = reader.decode(bitmap);
    } catch (ReaderException e) {
        e.printStackTrace();
    }
    System.out.println(result.getText());
}

Source File: QRCodeEncoderDecoder.java From bither-desktop-java with Apache License 2.0

6 votes

public static String decode(BufferedImage image) {

        // convert the image to a binary bitmap source
        LuminanceSource source = new BufferedImageLuminanceSource(image);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

        // decode the barcode
        QRCodeReader reader = new QRCodeReader();

        try {
            @SuppressWarnings("rawtypes")
            Hashtable hints = new Hashtable();
            Result result = reader.decode(bitmap, hints);


            return result.getText();
        } catch (ReaderException e) {
            // the data is improperly formatted
        }

        return "";
    }

Source File: QRCodeEncoderDecoder.java From bither-desktop-java with Apache License 2.0

6 votes

public static String decode(BufferedImage image) {

        // convert the image to a binary bitmap source
        LuminanceSource source = new BufferedImageLuminanceSource(image);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

        // decode the barcode
        QRCodeReader reader = new QRCodeReader();

        try {
            @SuppressWarnings("rawtypes")
            Hashtable hints = new Hashtable();
            Result result = reader.decode(bitmap, hints);


            return result.getText();
        } catch (ReaderException e) {
            // the data is improperly formatted
        }

        return "";
    }

Source File: ZxingUtils.java From tysq-android with GNU General Public License v3.0

6 votes

/**
 * 解析QR图内容
 *
 * @param imageView
 * @return
 */

public static String readImage(ImageView imageView) {
    String content = null;
    Map<DecodeHintType, String> hints = new HashMap<>();
    hints.put(DecodeHintType.CHARACTER_SET, "utf-8");

    // 获得待解析的图片
    Bitmap bitmap = ((BitmapDrawable) imageView.getDrawable()).getBitmap();
    RGBLuminanceSource source = new RGBLuminanceSource(bitmap);
    BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        Result result = reader.decode(bitmap1, hints);
        // 得到解析后的文字
        content = result.getText();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return content;
}

Source File: DecodeUtil.java From react-native-smart-barcode with MIT License

5 votes

public static String getStringFromQRCode(String path) {
        String httpString = null;

        Bitmap bmp = convertToBitmap(path);
        byte[] data = getYUV420sp(bmp.getWidth(), bmp.getHeight(), bmp);
        // 处理
        try {
            Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
//            hints.put(DecodeHintType.CHARACTER_SET, "utf-8");
            hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
            hints.put(DecodeHintType.POSSIBLE_FORMATS, BarcodeFormat.QR_CODE);
            PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(data,
                    bmp.getWidth(),
                    bmp.getHeight(),
                    0, 0,
                    bmp.getWidth(),
                    bmp.getHeight(),
                    false);
            BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
            QRCodeReader reader2= new QRCodeReader();
            Result result = reader2.decode(bitmap1, hints);

            httpString = result.getText();
        } catch (Exception e) {
            e.printStackTrace();
        }

        bmp.recycle();
        bmp = null;

        return httpString;
    }

Source File: CameraScanActivity.java From Telegram with GNU General Public License v2.0

5 votes

public CameraScanActivity(int type) {
    super();
    CameraController.getInstance().initCamera(() -> {
        if (cameraView != null) {
            cameraView.initCamera();
        }
    });
    currentType = type;
    if (currentType == TYPE_QR) {
        qrReader = new QRCodeReader();
        visionQrReader = new BarcodeDetector.Builder(ApplicationLoader.applicationContext).setBarcodeFormats(Barcode.QR_CODE).build();
    }
}

Source File: QRcode.java From maven-framework-project with MIT License

5 votes

/**
 * 读取二维码
 * @param file 二维码源
 * @throws Exception
 */
private static void readCode(File file) throws Exception{
	BufferedImage encodedBufferedImage = ImageIO.read(file) ;
	LuminanceSource source = new BufferedImageLuminanceSource(encodedBufferedImage);
	Result result = new QRCodeReader().decode(new BinaryBitmap(new HybridBinarizer(source)));
	System.out.println(result.getText());
}

Source File: CameraScanActivity.java From Telegram-FOSS with GNU General Public License v2.0

5 votes

public CameraScanActivity(int type) {
    super();
    CameraController.getInstance().initCamera(() -> {
        if (cameraView != null) {
            cameraView.initCamera();
        }
    });
    currentType = type;
    if (currentType == TYPE_QR) {
        qrReader = new QRCodeReader();
        //visionQrReader = new BarcodeDetector.Builder(ApplicationLoader.applicationContext).setBarcodeFormats(Barcode.QR_CODE).build();
    }
}

Source File: HttpAndTCPSameJVMTest.java From blynk-server with GNU General Public License v3.0

5 votes

@Test
public void testQRWorks() throws Exception {
    HttpGet getRequest = new HttpGet(httpServerUrl + clientPair.token + "/qr");
    String cloneToken;
    try (CloseableHttpResponse response = httpclient.execute(getRequest)) {
        assertEquals(200, response.getStatusLine().getStatusCode());
        assertEquals("image/png", response.getFirstHeader("Content-Type").getValue());
        byte[] data = EntityUtils.toByteArray(response.getEntity());
        assertNotNull(data);

        //get the data from the input stream
        BufferedImage image = ImageIO.read(new ByteArrayInputStream(data));

        //convert the image to a binary bitmap source
        LuminanceSource source = new BufferedImageLuminanceSource(image);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        QRCodeReader reader = new QRCodeReader();
        Result result = reader.decode(bitmap);
        String resultString = result.getText();
        assertTrue(resultString.startsWith("blynk://token/clone/"));
        assertTrue(resultString.endsWith("?server=127.0.0.1&port=10443"));
        cloneToken = resultString.substring(
                resultString.indexOf("blynk://token/clone/") + "blynk://token/clone/".length(),
                resultString.indexOf("?server=127.0.0.1&port=10443"));
        assertEquals(32, cloneToken.length());
    }

    clientPair.appClient.send("getProjectByCloneCode " + cloneToken);
    DashBoard dashBoard = clientPair.appClient.parseDash(1);
    assertEquals("My Dashboard", dashBoard.name);
}

Source File: ScannerManager.java From attendee-checkin with Apache License 2.0

5 votes

private String decode(byte[] data, int width, int height) {
    ScannerManager manager = mManager.get();
    if (manager == null) {
        return null;
    }
    Rect rect = manager.getFramingRectInPreview();
    PlanarYUVLuminanceSource source = new PlanarYUVLuminanceSource(data,
            width, height, rect.left, rect.top, rect.right, rect.bottom, false);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        Result result = reader.decode(bitmap, mHints);
        return result.getText();
    } catch (ReaderException e) {
        // Ignore as we will repeatedly decode the preview frame
        return null;
    }
}

Source File: QrCodeHelper.java From FamilyChat with Apache License 2.0

5 votes

/**
 * 直接识别二维码位图
 *
 * @param bitmap 二维码位图
 * @return 二维码包含的内容
 */
public static String recognizeQrCode(Bitmap bitmap)
{
    if (bitmap == null)
        return null;
    Hashtable<DecodeHintType, String> hints = new Hashtable<>();
    hints.put(DecodeHintType.CHARACTER_SET, "utf-8"); // 设置二维码内容的编码
    //获取图片的像素存入到数组
    int[] pixels = new int[bitmap.getWidth() * bitmap.getHeight()];
    bitmap.getPixels(pixels, 0, bitmap.getWidth(), 0, 0, bitmap.getWidth(), bitmap.getHeight());
    RGBLuminanceSource source = new RGBLuminanceSource(bitmap.getWidth(), bitmap.getHeight(), pixels);
    BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try
    {
        Result result = reader.decode(bitmap1, hints);
        if (reader == null)
        {
            return null;
        } else
        {
            String str = result.toString();
            boolean ISO = Charset.forName("ISO-8859-1").newEncoder().canEncode(str);
            if (ISO)
                str = new String(str.getBytes("ISO-8859-1"), "GB2312");
            return str;
        }
    } catch (Exception e)
    {
        Log.e("QrCodeHelper", "recognizeQrCode fail:" + e.toString());
    }
    return null;
}

Source File: MyQRCodeUtils.java From spring-boot with Apache License 2.0

5 votes

/**
 * 解码 QRCode 图片，解析出其内容
 *
 * @param imageURI QRCode 图片 URI
 * @return 解析后的内容
 * @throws IOException
 */
public static String decodeQRCodeImage(URI imageURI) throws IOException {

    BufferedImage bufferedImage = ImageReader.readImage(imageURI);
    LuminanceSource source = new BufferedImageLuminanceSource(bufferedImage);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        Result result = reader.decode(bitmap);
        return result.getText();
    } catch (ReaderException e) {
        e.printStackTrace();
    }
    return "";
}

Source File: RxQrCode.java From RxQrCode with MIT License

5 votes

private static Observable<Result> resolve(LuminanceSource source, boolean failWhenNotFound) {
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        return Observable.just(reader.decode(bitmap, TRY_HARDER));
    } catch (NotFoundException | ChecksumException | FormatException e) {
        if (failWhenNotFound) {
            return Observable.error(e);
        }
    } finally {
        reader.reset();
    }
    return Observable.empty();
}

Source File: DecodeHandler.java From Android with MIT License

5 votes

public DecodeHandler(BaseScanActivity activity, Map<DecodeHintType, Object> hints) {
	/*multiFormatReader = new MultiFormatReader();
	multiFormatReader.setHints(hints);
	this.activity = activity;*/

	this.activity = activity;
	mQrCodeReader = new QRCodeReader();
	mHintsa = new Hashtable<>();
	mHintsa.put(DecodeHintType.CHARACTER_SET, "utf-8");
	mHintsa.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
	mHintsa.put(DecodeHintType.POSSIBLE_FORMATS, BarcodeFormat.QR_CODE);
}

Source File: QrUtils.java From Tesseract-OCR-Scanner with Apache License 2.0

5 votes

/**
 * Decode the data within the viewfinder rectangle, and time how long it took. For efficiency, reuse the same reader
 * objects from one decode to the next.
 */
public static Result decodeImage(byte[] data, int width, int height) {
    // 处理
    Result result = null;
    try {
        Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
        hints.put(DecodeHintType.CHARACTER_SET, "utf-8");
        hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
        hints.put(DecodeHintType.POSSIBLE_FORMATS, BarcodeFormat.QR_CODE);
        PlanarYUVLuminanceSource source =
                new PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false);
        /**
         * HybridBinarizer算法使用了更高级的算法，但使用GlobalHistogramBinarizer识别效率确实比HybridBinarizer要高一些。
         *
         * GlobalHistogram算法：（http://kuangjianwei.blog.163.com/blog/static/190088953201361015055110/）
         *
         * 二值化的关键就是定义出黑白的界限，我们的图像已经转化为了灰度图像，每个点都是由一个灰度值来表示，就需要定义出一个灰度值，大于这个值就为白（0），低于这个值就为黑（1）。
         * 在GlobalHistogramBinarizer中，是从图像中均匀取5行（覆盖整个图像高度），每行取中间五分之四作为样本；以灰度值为X轴，每个灰度值的像素个数为Y轴建立一个直方图，
         * 从直方图中取点数最多的一个灰度值，然后再去给其他的灰度值进行分数计算，按照点数乘以与最多点数灰度值的距离的平方来进行打分，选分数最高的一个灰度值。接下来在这两个灰度值中间选取一个区分界限，
         * 取的原则是尽量靠近中间并且要点数越少越好。界限有了以后就容易了，与整幅图像的每个点进行比较，如果灰度值比界限小的就是黑，在新的矩阵中将该点置1，其余的就是白，为0。
         */
        BinaryBitmap bitmap1 = new BinaryBitmap(new GlobalHistogramBinarizer(source));
        // BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
        QRCodeReader reader2 = new QRCodeReader();
        result = reader2.decode(bitmap1, hints);
    } catch (ReaderException e) {
    }
    return result;
}

Source File: QrUtils.java From QrCodeScanner with GNU General Public License v3.0

5 votes

/**
 * Decode the data within the viewfinder rectangle, and time how long it took. For efficiency, reuse the same reader
 * objects from one decode to the next.
 */
public static Result decodeImage(byte[] data, int width, int height) {
    // 处理
    Result result = null;
    try {
        Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
        hints.put(DecodeHintType.CHARACTER_SET, "utf-8");
        hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
        hints.put(DecodeHintType.POSSIBLE_FORMATS, BarcodeFormat.QR_CODE);
        PlanarYUVLuminanceSource source =
                new PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false);
        /**
         * HybridBinarizer算法使用了更高级的算法，但使用GlobalHistogramBinarizer识别效率确实比HybridBinarizer要高一些。
         *
         * GlobalHistogram算法：（http://kuangjianwei.blog.163.com/blog/static/190088953201361015055110/）
         *
         * 二值化的关键就是定义出黑白的界限，我们的图像已经转化为了灰度图像，每个点都是由一个灰度值来表示，就需要定义出一个灰度值，大于这个值就为白（0），低于这个值就为黑（1）。
         * 在GlobalHistogramBinarizer中，是从图像中均匀取5行（覆盖整个图像高度），每行取中间五分之四作为样本；以灰度值为X轴，每个灰度值的像素个数为Y轴建立一个直方图，
         * 从直方图中取点数最多的一个灰度值，然后再去给其他的灰度值进行分数计算，按照点数乘以与最多点数灰度值的距离的平方来进行打分，选分数最高的一个灰度值。接下来在这两个灰度值中间选取一个区分界限，
         * 取的原则是尽量靠近中间并且要点数越少越好。界限有了以后就容易了，与整幅图像的每个点进行比较，如果灰度值比界限小的就是黑，在新的矩阵中将该点置1，其余的就是白，为0。
         */
        BinaryBitmap bitmap1 = new BinaryBitmap(new GlobalHistogramBinarizer(source));
        // BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
        QRCodeReader reader2 = new QRCodeReader();
        result = reader2.decode(bitmap1, hints);
    } catch (ReaderException e) {
    }
    return result;
}

Source File: ScannerActivity.java From talk-android with MIT License

5 votes

protected Result scanningImage(String path) {
    if (StringUtil.isBlank(path)) {
        return null;
    }
    // DecodeHintType 和EncodeHintType
    Hashtable<DecodeHintType, String> hints = new Hashtable<DecodeHintType, String>();
    hints.put(DecodeHintType.CHARACTER_SET, "utf-8"); // 设置二维码内容的编码
    BitmapFactory.Options options = new BitmapFactory.Options();
    options.inJustDecodeBounds = true; // 先获取原大小
    scanBitmap = BitmapFactory.decodeFile(path, options);
    options.inJustDecodeBounds = false; // 获取新的大小

    int sampleSize = (int) (options.outHeight / (float) 200);

    if (sampleSize <= 0)
        sampleSize = 1;
    options.inSampleSize = sampleSize;
    scanBitmap = BitmapFactory.decodeFile(path, options);
    int width = scanBitmap.getWidth(), height = scanBitmap.getHeight();
    int[] pixels = new int[width * height];
    scanBitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    scanBitmap.recycle();
    scanBitmap = null;
    RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
    BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
    QRCodeReader reader = new QRCodeReader();
    try {
        return reader.decode(bitmap1, hints);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

Source File: QrUtils.java From Mobike with Apache License 2.0

5 votes

/**
 * Decode the data within the viewfinder rectangle, and time how long it took. For efficiency, reuse the same reader
 * objects from one decode to the next.
 */
public static Result decodeImage(byte[] data, int width, int height) {
    // 处理
    Result result = null;
    try {
        Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
        hints.put(DecodeHintType.CHARACTER_SET, "utf-8");
        hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
        hints.put(DecodeHintType.POSSIBLE_FORMATS, BarcodeFormat.QR_CODE);
        PlanarYUVLuminanceSource source =
            new PlanarYUVLuminanceSource(data, width, height, 0, 0, width, height, false);
        /**
         * HybridBinarizer算法使用了更高级的算法，但使用GlobalHistogramBinarizer识别效率确实比HybridBinarizer要高一些。
         * 
         * GlobalHistogram算法：（http://kuangjianwei.blog.163.com/blog/static/190088953201361015055110/）
         * 
         * 二值化的关键就是定义出黑白的界限，我们的图像已经转化为了灰度图像，每个点都是由一个灰度值来表示，就需要定义出一个灰度值，大于这个值就为白（0），低于这个值就为黑（1）。
         * 在GlobalHistogramBinarizer中，是从图像中均匀取5行（覆盖整个图像高度），每行取中间五分之四作为样本；以灰度值为X轴，每个灰度值的像素个数为Y轴建立一个直方图，
         * 从直方图中取点数最多的一个灰度值，然后再去给其他的灰度值进行分数计算，按照点数乘以与最多点数灰度值的距离的平方来进行打分，选分数最高的一个灰度值。接下来在这两个灰度值中间选取一个区分界限，
         * 取的原则是尽量靠近中间并且要点数越少越好。界限有了以后就容易了，与整幅图像的每个点进行比较，如果灰度值比界限小的就是黑，在新的矩阵中将该点置1，其余的就是白，为0。
         */
        BinaryBitmap bitmap1 = new BinaryBitmap(new GlobalHistogramBinarizer(source));
        // BinaryBitmap bitmap1 = new BinaryBitmap(new HybridBinarizer(source));
        QRCodeReader reader2 = new QRCodeReader();
        result = reader2.decode(bitmap1, hints);
    } catch (ReaderException e) {
    }
    return result;
}

Source File: MultiFormatReader.java From reacteu-app with MIT License

4 votes

/**
 * This method adds state to the MultiFormatReader. By setting the hints once, subsequent calls
 * to decodeWithState(image) can reuse the same set of readers without reallocating memory. This
 * is important for performance in continuous scan clients.
 *
 * @param hints The set of hints to use for subsequent calls to decode(image)
 */
public void setHints(Map<DecodeHintType,?> hints) {
  this.hints = hints;

  boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);
  Collection<BarcodeFormat> formats =
      hints == null ? null : (Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
  Collection<Reader> readers = new ArrayList<Reader>();
  if (formats != null) {
    boolean addOneDReader =
        formats.contains(BarcodeFormat.UPC_A) ||
        formats.contains(BarcodeFormat.UPC_E) ||
        formats.contains(BarcodeFormat.EAN_13) ||
        formats.contains(BarcodeFormat.EAN_8) ||
        formats.contains(BarcodeFormat.CODABAR) ||
        formats.contains(BarcodeFormat.CODE_39) ||
        formats.contains(BarcodeFormat.CODE_93) ||
        formats.contains(BarcodeFormat.CODE_128) ||
        formats.contains(BarcodeFormat.ITF) ||
        formats.contains(BarcodeFormat.RSS_14) ||
        formats.contains(BarcodeFormat.RSS_EXPANDED);
    // Put 1D readers upfront in "normal" mode
    if (addOneDReader && !tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
    if (formats.contains(BarcodeFormat.QR_CODE)) {
      readers.add(new QRCodeReader());
    }
    if (formats.contains(BarcodeFormat.DATA_MATRIX)) {
      readers.add(new DataMatrixReader());
    }
    if (formats.contains(BarcodeFormat.AZTEC)) {
      readers.add(new AztecReader());
    }
    if (formats.contains(BarcodeFormat.PDF_417)) {
       readers.add(new PDF417Reader());
    }
    if (formats.contains(BarcodeFormat.MAXICODE)) {
       readers.add(new MaxiCodeReader());
    }
    // At end in "try harder" mode
    if (addOneDReader && tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  if (readers.isEmpty()) {
    if (!tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }

    readers.add(new QRCodeReader());
    readers.add(new DataMatrixReader());
    readers.add(new AztecReader());
    readers.add(new PDF417Reader());
    readers.add(new MaxiCodeReader());

    if (tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  this.readers = readers.toArray(new Reader[readers.size()]);
}

Source File: QRGenTest.java From docs with Apache License 2.0

4 votes

private String decode(final byte[] imageBytes) throws IOException, NotFoundException, ChecksumException, FormatException {
    BinaryBitmap bitmap = readToBitmap(imageBytes);
    return new QRCodeReader().decode(bitmap).getText();
}

Source File: RequiredActionsTest.java From keycloak with Apache License 2.0

4 votes

private void testBarcodeOtp() throws Exception {
    assumeFalse(driver instanceof HtmlUnitDriver); // HtmlUnit browser cannot take screenshots
    TakesScreenshot screenshotDriver = (TakesScreenshot) driver;
    QRCodeReader qrCodeReader = new QRCodeReader();

    initiateRequiredAction(otpSetupPage);

    otpSetupPage.localeDropdown().selectAndAssert(CUSTOM_LOCALE_NAME);

    otpSetupPage.clickManualMode();
    otpSetupPage.clickBarcodeMode();

    assertTrue(otpSetupPage.isBarcodePresent());
    assertFalse(otpSetupPage.isSecretKeyPresent());
    assertTrue(otpSetupPage.feedbackMessage().isWarning());
    assertEquals("You need to set up Mobile Authenticator to activate your account.", otpSetupPage.feedbackMessage().getText());

    // empty input
    otpSetupPage.submit();
    assertTrue(otpSetupPage.feedbackMessage().isError());
    assertEquals("Please specify authenticator code.", otpSetupPage.feedbackMessage().getText());

    // take a screenshot of the QR code
    byte[] screenshot = screenshotDriver.getScreenshotAs(OutputType.BYTES);
    BufferedImage screenshotImg = ImageIO.read(new ByteArrayInputStream(screenshot));
    BinaryBitmap screenshotBinaryBitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(screenshotImg)));
    Result qrCode = qrCodeReader.decode(screenshotBinaryBitmap);

    // parse the QR code string
    Pattern qrUriPattern = Pattern.compile("^otpauth:\\/\\/(?<type>.+)\\/(?<realm>.+):(?<user>.+)\\?secret=(?<secret>.+)&digits=(?<digits>.+)&algorithm=(?<algorithm>.+)&issuer=(?<issuer>.+)&(?:period=(?<period>.+)|counter=(?<counter>.+))$");
    Matcher qrUriMatcher = qrUriPattern.matcher(qrCode.getText());
    assertTrue(qrUriMatcher.find());

    // extract data
    String type = qrUriMatcher.group("type");
    String realm = qrUriMatcher.group("realm");
    String user = qrUriMatcher.group("user");
    String secret = qrUriMatcher.group("secret");
    int digits = Integer.parseInt(qrUriMatcher.group("digits"));
    String algorithm = qrUriMatcher.group("algorithm");
    String issuer = qrUriMatcher.group("issuer");
    Integer period = type.equals(TOTP) ? Integer.parseInt(qrUriMatcher.group("period")) : null;
    Integer counter = type.equals(HOTP) ? Integer.parseInt(qrUriMatcher.group("counter")) : null;

    RealmRepresentation realmRep = testRealmResource().toRepresentation();
    String expectedRealmName = realmRep.getDisplayName() != null && !realmRep.getDisplayName().isEmpty() ? realmRep.getDisplayName() : realmRep.getRealm();

    // basic assertations
    assertEquals(QR_CODE, qrCode.getBarcodeFormat());
    assertEquals(expectedRealmName, realm);
    assertEquals(expectedRealmName, issuer);
    assertEquals(testUser.getUsername(), user);

    // the actual test
    testOtp(type, algorithm, digits, period, counter, secret);
}

Source File: MultiFormatReader.java From ScreenCapture with MIT License

4 votes

/**
 * This method adds state to the MultiFormatReader. By setting the hints once, subsequent calls
 * to decodeWithState(image) can reuse the same set of readers without reallocating memory. This
 * is important for performance in continuous scan clients.
 *
 * @param hints The set of hints to use for subsequent calls to decode(image)
 */
public void setHints(Map<DecodeHintType,?> hints) {
  this.hints = hints;

  boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);
  @SuppressWarnings("unchecked")
  Collection<BarcodeFormat> formats =
      hints == null ? null : (Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
  Collection<Reader> readers = new ArrayList<>();
  if (formats != null) {
    boolean addOneDReader =
        formats.contains(BarcodeFormat.UPC_A) ||
        formats.contains(BarcodeFormat.UPC_E) ||
        formats.contains(BarcodeFormat.EAN_13) ||
        formats.contains(BarcodeFormat.EAN_8) ||
        formats.contains(BarcodeFormat.CODABAR) ||
        formats.contains(BarcodeFormat.CODE_39) ||
        formats.contains(BarcodeFormat.CODE_93) ||
        formats.contains(BarcodeFormat.CODE_128) ||
        formats.contains(BarcodeFormat.ITF) ||
        formats.contains(BarcodeFormat.RSS_14) ||
        formats.contains(BarcodeFormat.RSS_EXPANDED);
    // Put 1D readers upfront in "normal" mode
    if (addOneDReader && !tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
    if (formats.contains(BarcodeFormat.QR_CODE)) {
      readers.add(new QRCodeReader());
    }
    // At end in "try harder" mode
    if (addOneDReader && tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  if (readers.isEmpty()) {
    if (!tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }

    readers.add(new QRCodeReader());

    if (tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  this.readers = readers.toArray(new Reader[readers.size()]);
}

Source File: SymbolTest.java From OkapiBarcode with Apache License 2.0

4 votes

/**
 * Returns a ZXing reader that can read the specified symbol.
 *
 * @param symbol the symbol to be read
 * @return a ZXing reader that can read the specified symbol
 */
private static Reader findReader(Symbol symbol) {

    // TODO: see if we can massage data enough to check MaxiCode symbols against MaxiCodeReader instances

    if (symbol instanceof Code128 || symbol instanceof UspsPackage) {
        return new Code128Reader();
    } else if (symbol instanceof Code93) {
        return new Code93Reader();
    } else if (symbol instanceof Code3Of9) {
        return new Code39Reader();
    } else if (symbol instanceof Codabar) {
        return new CodaBarReader();
    } else if (symbol instanceof AztecCode &&
               symbol.getDataType() != DataType.GS1 &&
               symbol.getEciMode() == 3 &&
              !symbol.getReaderInit() &&
              !symbol.getContent().isEmpty()) {
        // ZXing does not currently support GS1 in Aztec Code symbols
        // ZXing does not currently support ECI in Aztec Code symbols
        // ZXing does not currently support reader initialization in Aztec Code symbols
        // ZXing cannot find symbols if they don't contain any actual data
        return new AztecReader();
    } else if (symbol instanceof QrCode) {
        return new QRCodeReader();
    } else if (symbol instanceof DataMatrix &&
               symbol.getEciMode() == 3 &&
               ((DataMatrix) symbol).getStructuredAppendTotal() == 1) {
        // ZXing does not currently support ECI in Data Matrix symbols
        // ZXing does not currently support Structured Append in Data Matrix symbols
        return new DataMatrixReader();
    } else if (symbol instanceof Ean) {
        Ean ean = (Ean) symbol;
        if (ean.getMode() == Ean.Mode.EAN8) {
            return new EAN8Reader();
        } else {
            return new EAN13Reader();
        }
    } else if (symbol instanceof Pdf417) {
        Pdf417 pdf417 = (Pdf417) symbol;
        if (pdf417.getMode() != Pdf417.Mode.MICRO) {
            return new PDF417Reader();
        }
    } else if (symbol instanceof Upc) {
        Upc upc = (Upc) symbol;
        if (upc.getMode() == Upc.Mode.UPCA) {
            return new UPCAReader();
        } else {
            return new UPCEReader();
        }
    } else if (symbol instanceof DataBarExpanded) {
        return new RSSExpandedReader();
    } else if (symbol instanceof DataBar14 && !((DataBar14) symbol).getLinkageFlag()) {
        return new RSS14Reader();
    }

    // no corresponding ZXing reader exists, or it behaves badly so we don't use it for testing
    return null;
}

Source File: MultiFormatReader.java From RipplePower with Apache License 2.0

4 votes

/**
 * This method adds state to the MultiFormatReader. By setting the hints
 * once, subsequent calls to decodeWithState(image) can reuse the same set
 * of readers without reallocating memory. This is important for performance
 * in continuous scan clients.
 * 
 * @param hints
 *            The set of hints to use for subsequent calls to decode(image)
 */
public void setHints(Map<DecodeHintType, ?> hints) {
	this.hints = hints;

	boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);
	@SuppressWarnings("unchecked")
	Collection<BarcodeFormat> formats = hints == null ? null
			: (Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
	Collection<Reader> readers = new ArrayList<>();
	if (formats != null) {
		boolean addOneDReader = formats.contains(BarcodeFormat.UPC_A) || formats.contains(BarcodeFormat.UPC_E)
				|| formats.contains(BarcodeFormat.EAN_13) || formats.contains(BarcodeFormat.EAN_8)
				|| formats.contains(BarcodeFormat.CODABAR) || formats.contains(BarcodeFormat.CODE_39)
				|| formats.contains(BarcodeFormat.CODE_93) || formats.contains(BarcodeFormat.CODE_128)
				|| formats.contains(BarcodeFormat.ITF) || formats.contains(BarcodeFormat.RSS_14)
				|| formats.contains(BarcodeFormat.RSS_EXPANDED);
		// Put 1D readers upfront in "normal" mode
		if (addOneDReader && !tryHarder) {
			readers.add(new MultiFormatOneDReader(hints));
		}
		if (formats.contains(BarcodeFormat.QR_CODE)) {
			readers.add(new QRCodeReader());
		}
		if (formats.contains(BarcodeFormat.DATA_MATRIX)) {
			readers.add(new DataMatrixReader());
		}
		if (formats.contains(BarcodeFormat.MAXICODE)) {
			readers.add(new MaxiCodeReader());
		}
		// At end in "try harder" mode
		if (addOneDReader && tryHarder) {
			readers.add(new MultiFormatOneDReader(hints));
		}
	}
	if (readers.isEmpty()) {
		if (!tryHarder) {
			readers.add(new MultiFormatOneDReader(hints));
		}

		readers.add(new QRCodeReader());
		readers.add(new DataMatrixReader());
		readers.add(new MaxiCodeReader());

		if (tryHarder) {
			readers.add(new MultiFormatOneDReader(hints));
		}
	}
	this.readers = readers.toArray(new Reader[readers.size()]);
}

Source File: EncoderDecoder.java From RipplePower with Apache License 2.0

4 votes

public String decode(BufferedImage image) throws IOException {

		LuminanceSource source = new BufferedImageLuminanceSource(image);
		BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));

		QRCodeReader reader = new QRCodeReader();

		try {

			Hashtable<DecodeHintType, Object> hints = new Hashtable<DecodeHintType, Object>();
			Result result = reader.decode(bitmap, hints);

			return result.getText();
		} catch (ReaderException e) {
			throw new IOException(e);
		}

	}

Source File: MultiFormatReader.java From Tesseract-OCR-Scanner with Apache License 2.0

4 votes

/**
 * This method adds state to the MultiFormatReader. By setting the hints once, subsequent calls
 * to decodeWithState(image) can reuse the same set of readers without reallocating memory. This
 * is important for performance in continuous scan clients.
 *
 * @param hints The set of hints to use for subsequent calls to decode(image)
 */
public void setHints(Map<DecodeHintType,?> hints) {
  this.hints = hints;

  boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);
  @SuppressWarnings("unchecked")
  Collection<BarcodeFormat> formats =
      hints == null ? null : (Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
  Collection<Reader> readers = new ArrayList<>();
  if (formats != null) {
    boolean addOneDReader =
        formats.contains(BarcodeFormat.UPC_A) ||
        formats.contains(BarcodeFormat.UPC_E) ||
        formats.contains(BarcodeFormat.EAN_13) ||
        formats.contains(BarcodeFormat.EAN_8) ||
        formats.contains(BarcodeFormat.CODABAR) ||
        formats.contains(BarcodeFormat.CODE_39) ||
        formats.contains(BarcodeFormat.CODE_93) ||
        formats.contains(BarcodeFormat.CODE_128) ||
        formats.contains(BarcodeFormat.ITF) ||
        formats.contains(BarcodeFormat.RSS_14) ||
        formats.contains(BarcodeFormat.RSS_EXPANDED);
    // Put 1D readers upfront in "normal" mode
    if (addOneDReader && !tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
    if (formats.contains(BarcodeFormat.QR_CODE)) {
      readers.add(new QRCodeReader());
    }
    // At end in "try harder" mode
    if (addOneDReader && tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  if (readers.isEmpty()) {
    if (!tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }

    readers.add(new QRCodeReader());

    if (tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  this.readers = readers.toArray(new Reader[readers.size()]);
}

Source File: MultiFormatReader.java From barcodescanner-lib-aar with MIT License

4 votes

/**
 * This method adds state to the MultiFormatReader. By setting the hints once, subsequent calls
 * to decodeWithState(image) can reuse the same set of readers without reallocating memory. This
 * is important for performance in continuous scan clients.
 *
 * @param hints The set of hints to use for subsequent calls to decode(image)
 */
public void setHints(Map<DecodeHintType,?> hints) {
  this.hints = hints;

  boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);
  @SuppressWarnings("unchecked")
  Collection<BarcodeFormat> formats =
      hints == null ? null : (Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
  Collection<Reader> readers = new ArrayList<>();
  if (formats != null) {
    boolean addOneDReader =
        formats.contains(BarcodeFormat.UPC_A) ||
        formats.contains(BarcodeFormat.UPC_E) ||
        formats.contains(BarcodeFormat.EAN_13) ||
        formats.contains(BarcodeFormat.EAN_8) ||
        formats.contains(BarcodeFormat.CODABAR) ||
        formats.contains(BarcodeFormat.CODE_39) ||
        formats.contains(BarcodeFormat.CODE_93) ||
        formats.contains(BarcodeFormat.CODE_128) ||
        formats.contains(BarcodeFormat.ITF) ||
        formats.contains(BarcodeFormat.RSS_14) ||
        formats.contains(BarcodeFormat.RSS_EXPANDED);
    // Put 1D readers upfront in "normal" mode
    if (addOneDReader && !tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
    if (formats.contains(BarcodeFormat.QR_CODE)) {
      readers.add(new QRCodeReader());
    }
    if (formats.contains(BarcodeFormat.DATA_MATRIX)) {
      readers.add(new DataMatrixReader());
    }
    if (formats.contains(BarcodeFormat.AZTEC)) {
      readers.add(new AztecReader());
    }
    if (formats.contains(BarcodeFormat.PDF_417)) {
       readers.add(new PDF417Reader());
    }
    if (formats.contains(BarcodeFormat.MAXICODE)) {
       readers.add(new MaxiCodeReader());
    }
    // At end in "try harder" mode
    if (addOneDReader && tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  if (readers.isEmpty()) {
    if (!tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }

    readers.add(new QRCodeReader());
    readers.add(new DataMatrixReader());
    readers.add(new AztecReader());
    readers.add(new PDF417Reader());
    readers.add(new MaxiCodeReader());

    if (tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  this.readers = readers.toArray(new Reader[readers.size()]);
}

Source File: QRCodeScanActivity.java From Nimingban with Apache License 2.0

4 votes

@SuppressLint("StaticFieldLeak")
private void scanImage(final Uri uri) {
  if (progressDialog != null) return;
  progressDialog = new ProgressDialogBuilder(this)
      .setTitle(R.string.please_wait)
      .setMessage(R.string.qr_scan_processing)
      .setCancelable(false)
      .show();

  new AsyncTask<Void, Void, String>() {
    @Override
    protected String doInBackground(Void... voids) {
      UniFile file = UniFile.fromUri(QRCodeScanActivity.this, uri);
      if (file == null) return null;

      // ZXing can't process large image
      Bitmap bitmap = BitmapUtils.decodeStream(new UniFileInputStreamPipe(file), 1024, 1024);
      if (bitmap == null) return null;

      int width = bitmap.getWidth();
      int height = bitmap.getHeight();
      int[] pixels = new int[width * height];
      bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
      bitmap.recycle();

      int[] newPixels = null;
      for (int i = 0; i < 4; i++) {
        if (i > 0) {
          newPixels = BitmapUtils.rotate(pixels, width, height, newPixels);
          int temp = width;
          width = height;
          height = temp;
          int[] tempPixels = pixels;
          pixels = newPixels;
          newPixels = tempPixels;
        }

        RGBLuminanceSource source = new RGBLuminanceSource(width, height, pixels);
        final HybridBinarizer hybBin = new HybridBinarizer(source);
        final BinaryBitmap bBitmap = new BinaryBitmap(hybBin);

        QRCodeReader reader = new QRCodeReader();
        Map<DecodeHintType, Boolean> hints = new HashMap<>();

        try {
          return reader.decode(bBitmap, hints).getText();
        } catch (NotFoundException | FormatException | ChecksumException e) {
          // Try PURE_BARCODE
          hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
          reader.reset();
          try {
            return reader.decode(bBitmap, hints).getText();
          } catch (NotFoundException | FormatException | ChecksumException ee) {
            // pass
          }
        }
      }

      return null;
    }

    @Override
    protected void onPostExecute(String text) {
      if (progressDialog != null) {
        progressDialog.dismiss();
        progressDialog = null;
      }

      if (text != null) {
        processCookieText(text);
      } else {
        Toast.makeText(QRCodeScanActivity.this, R.string.qr_scan_invalid, Toast.LENGTH_SHORT).show();
      }
    }
  }.execute();
}

Source File: MultiFormatReader.java From QrCodeScanner with GNU General Public License v3.0

4 votes

/**
 * This method adds state to the MultiFormatReader. By setting the hints once, subsequent calls
 * to decodeWithState(image) can reuse the same set of readers without reallocating memory. This
 * is important for performance in continuous scan clients.
 *
 * @param hints The set of hints to use for subsequent calls to decode(image)
 */
public void setHints(Map<DecodeHintType,?> hints) {
  this.hints = hints;

  boolean tryHarder = hints != null && hints.containsKey(DecodeHintType.TRY_HARDER);
  @SuppressWarnings("unchecked")
  Collection<BarcodeFormat> formats =
      hints == null ? null : (Collection<BarcodeFormat>) hints.get(DecodeHintType.POSSIBLE_FORMATS);
  Collection<Reader> readers = new ArrayList<>();
  if (formats != null) {
    boolean addOneDReader =
        formats.contains(BarcodeFormat.UPC_A) ||
        formats.contains(BarcodeFormat.UPC_E) ||
        formats.contains(BarcodeFormat.EAN_13) ||
        formats.contains(BarcodeFormat.EAN_8) ||
        formats.contains(BarcodeFormat.CODABAR) ||
        formats.contains(BarcodeFormat.CODE_39) ||
        formats.contains(BarcodeFormat.CODE_93) ||
        formats.contains(BarcodeFormat.CODE_128) ||
        formats.contains(BarcodeFormat.ITF) ||
        formats.contains(BarcodeFormat.RSS_14) ||
        formats.contains(BarcodeFormat.RSS_EXPANDED);
    // Put 1D readers upfront in "normal" mode
    if (addOneDReader && !tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
    if (formats.contains(BarcodeFormat.QR_CODE)) {
      readers.add(new QRCodeReader());
    }
    // At end in "try harder" mode
    if (addOneDReader && tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  if (readers.isEmpty()) {
    if (!tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }

    readers.add(new QRCodeReader());

    if (tryHarder) {
      readers.add(new MultiFormatOneDReader(hints));
    }
  }
  this.readers = readers.toArray(new Reader[readers.size()]);
}

com.google.zxing.qrcode.QRCodeReader Java Examples