Examples with BufferedImageLuminanceSource com.google.zxing.client.j2se.BufferedImageLuminanceSource used on opensource projects

Example 26 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project main by JohnPeng739.

the class QrCodeUtils method parseQrCode.

public static QrCodeResult parseQrCode(InputStream in) {
    try {
        MultiFormatReader reader = new MultiFormatReader();
        BufferedImage image = ImageIO.read(in);
        Map<DecodeHintType, Object> map = new HashMap<>();
        map.put(DecodeHintType.CHARACTER_SET, "ISO-8859-1");
        BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(image)));
        Result result = reader.decode(binaryBitmap, map);
        return new QrCodeResult(result);
    } catch (IOException ex) {
        if (logger.isErrorEnabled()) {
            logger.error("Read the QrCode fail.", ex);
        }
        throw new UserInterfaceFfeeErrorException(UserInterfaceFfeeErrorException.FfeeErrors.QRCODE_IO_FAIL);
    } catch (NotFoundException ex) {
        if (logger.isErrorEnabled()) {
            logger.error("The QrCode not found any content.", ex);
        }
        throw new UserInterfaceFfeeErrorException(UserInterfaceFfeeErrorException.FfeeErrors.QRCODE_DECODE_FAIL);
    }
}

Example 27 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project notes by KevinBlandy.

the class QrCodeUtils method QRReader.

/**
 * ʶ���ά��
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public static String QRReader(InputStream qrCode) throws IOException, NotFoundException {
    MultiFormatReader formatReader = new MultiFormatReader();
    // ��ȡָ���Ķ�ά���ļ�
    BufferedImage bufferedImage = ImageIO.read(qrCode);
    BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(bufferedImage)));
    Map hints = new HashMap<>();
    hints.put(EncodeHintType.CHARACTER_SET, "utf-8");
    com.google.zxing.Result result = formatReader.decode(binaryBitmap, hints);
    // System.out.println("���������" + result.toString());
    // System.out.println("��ά���ʽ���ͣ�" + result.getBarcodeFormat());
    // System.out.println("��ά���ı����ݣ�" + result.getText());
    bufferedImage.flush();
    return result.getText();
}

Example 28 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project ProjectSE-Unicam by HTTPiego.

the class QRCodeGenerator method readQRCode.

/**
 * Restituisce la stringa rappresentata dal {@link QRCode} specificato.
 *
 * @param qrCode il {@code QRCode} di cui leggerne la stringa che rappresenta
 * @return la stringa rappresentata del {@code QRCode}
 * oppure {@code null} se il {@code QRCode} specificato non rappresenta una stringa valida
 */
public static String readQRCode(QRCode qrCode) {
    Result result = null;
    try {
        ByteArrayInputStream bytes = new ByteArrayInputStream(qrCode.getQRCodeImage());
        BufferedImage QRCodeImage = ImageIO.read(bytes);
        LuminanceSource source = new BufferedImageLuminanceSource(QRCodeImage);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        Reader reader = new MultiFormatReader();
        result = reader.decode(bitmap);
    } catch (FormatException | NotFoundException | ChecksumException | IOException e) {
        e.printStackTrace();
    }
    return result != null ? result.getText() : null;
}

Example 29 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project keycloak by keycloak.

the class RequiredActionsTest method testBarcodeOtp.

private void testBarcodeOtp() throws Exception {
    // HtmlUnit browser cannot take screenshots
    assumeFalse(driver instanceof HtmlUnitDriver);
    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);
}

Example 30 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project java-apply by javachengwc.

the class ZXingUtil method decodeQRCodeImage.

/**
 * 解析二维码
 * @param imagePath 二维码图片存放路径(含文件名)
 * @param charset   解码二维码内容时采用的字符集(传null时默认采用UTF-8编码)
 * @return 解析成功后返回二维码文本,否则返回空字符串
 */
public static String decodeQRCodeImage(String imagePath, String charset) {
    BufferedImage image = null;
    try {
        image = ImageIO.read(new File(imagePath));
    } catch (IOException e) {
        e.printStackTrace();
        return "";
    }
    if (null == image) {
        System.out.println("Could not decode QRCodeImage");
        return "";
    }
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(image)));
    Map<DecodeHintType, String> hints = new HashMap<DecodeHintType, String>();
    hints.put(DecodeHintType.CHARACTER_SET, charset == null ? "UTF-8" : charset);
    Result result = null;
    try {
        result = new MultiFormatReader().decode(bitmap, hints);
        return result.getText();
    } catch (NotFoundException e) {
        System.out.println("二维码图片[" + imagePath + "]解析失败,堆栈轨迹如下");
        e.printStackTrace();
        return "";
    }
}