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

Example 36 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project anttu.code.github.io by anTtutu.

the class Demo method decoder.

/**
 * 流图片解码
 * @param 	input
 * @return 	QRResult
 */
public static QRResult decoder(InputStream input) {
    BufferedImage image;
    try {
        if (null == input) {
            return new QRResult("得到的文件不存在！", 300);
        }
        image = ImageIO.read(input);
        LuminanceSource source = new BufferedImageLuminanceSource(image);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        Map<DecodeHintType, Object> hints = new LinkedHashMap<DecodeHintType, Object>();
        // 解码设置编码方式为：utf-8，
        hints.put(DecodeHintType.CHARACTER_SET, "utf-8");
        // 优化精度
        hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
        // 复杂模式，开启PURE_BARCODE模式
        hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
        Result result = new MultiFormatReader().decode(bitmap, hints);
        String txt = result.getText();
        return new QRResult("成功解码！", 200, txt);
    } catch (Exception e) {
        // LoggerUtils.error(MatrixUtil.class,"解码失败。", e);
        return new QRResult("解码失败，请确认的你二维码是否正确，或者图片有多个二维码！", 500);
    }
}

Example 37 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project okta-idx-java by okta.

the class QrCodePage method decodeQRCode.

private static String decodeQRCode(byte[] imageBytes) throws IOException, NotFoundException {
    BufferedImage image = ImageIO.read(new ByteArrayInputStream(imageBytes));
    BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(image)));
    Result qrCodeResult = new MultiFormatReader().decode(binaryBitmap);
    return qrCodeResult.getText();
}

Example 38 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project OkapiBarcode by woo-j.

the class SymbolTest method verifySuccess.

/**
 * Verifies that the specified symbol was encoded and rendered in a way that matches expectations.
 *
 * @param symbol the symbol to check
 * @param actualError the actual error message
 * @throws IOException if there is any I/O error
 * @throws ReaderException if ZXing has an issue decoding the barcode image
 */
private void verifySuccess(Symbol symbol, String actualError) throws IOException, ReaderException {
    assertEquals("error message", null, actualError);
    // try to verify logs
    String info = symbol.getEncodeInfo();
    String[] actualLog = (!info.isEmpty() ? symbol.getEncodeInfo().split("\n") : new String[0]);
    assertEquals("log size", config.expectedLog.size(), actualLog.length);
    for (int i = 0; i < actualLog.length; i++) {
        String expected = config.expectedLog.get(i).trim();
        String actual = actualLog[i].trim();
        assertEquals("at log line " + i, expected, actual);
    }
    try {
        // try to verify codewords
        int[] actualCodewords = symbol.getCodewords();
        assertEquals("codeword count", config.expectedCodewords.size(), actualCodewords.length);
        for (int i = 0; i < actualCodewords.length; i++) {
            int expected = Integer.parseInt(config.expectedCodewords.get(i));
            int actual = actualCodewords[i];
            assertEquals("at codeword index " + i, expected, actual);
        }
    } catch (UnsupportedOperationException e) {
        // codewords aren't supported, try to verify patterns
        String[] actualPatterns = symbol.pattern;
        assertEquals(config.expectedCodewords.size(), actualPatterns.length);
        for (int i = 0; i < actualPatterns.length; i++) {
            String expected = config.expectedCodewords.get(i);
            String actual = actualPatterns[i];
            assertEquals("at pattern index " + i, expected, actual);
        }
    }
    // make sure the barcode images match
    String parentName = pngFile.getParentFile().getName();
    String pngName = pngFile.getName();
    String dirName = parentName + "-" + pngName.substring(0, pngName.lastIndexOf('.'));
    BufferedImage expected = ImageIO.read(pngFile);
    BufferedImage actual = draw(symbol);
    assertEqual(expected, actual, dirName);
    // if possible, ensure an independent third party (ZXing) can read the generated barcode and agrees on what it represents
    Reader zxingReader = findReader(symbol);
    if (zxingReader != null) {
        LuminanceSource source = new BufferedImageLuminanceSource(actual);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        Map<DecodeHintType, Boolean> hints = new HashMap<>();
        hints.put(DecodeHintType.PURE_BARCODE, Boolean.TRUE);
        hints.put(DecodeHintType.TRY_HARDER, Boolean.TRUE);
        Result result = zxingReader.decode(bitmap, hints);
        String zxingData = massageZXingData(result.getText(), symbol);
        String okapiData = massageOkapiData(symbol.getContent(), symbol);
        assertEquals("checking against ZXing results", okapiData, zxingData);
    }
// TODO: check against Zint?
}

Example 39 with BufferedImageLuminanceSource

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

the class WebcamService method readQR.

private Result readQR(BufferedImage bufferedImage) {
    LuminanceSource source = new BufferedImageLuminanceSource(bufferedImage);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    try {
        return qrReader.decode(bitmap, Map.of(DecodeHintType.TRY_HARDER, Boolean.TRUE));
    } catch (ReaderException e) {
        // fall thru, it means there is no QR code in image
        return null;
    }
}

Example 40 with BufferedImageLuminanceSource

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

the class TotpMfaEndpointIntegrationTests method qrCodeText.

private String qrCodeText(String dataUrl) throws Exception {
    QRCodeReader reader = new QRCodeReader();
    String[] rawSplit = dataUrl.split(",");
    assertEquals("data:image/png;base64", rawSplit[0]);
    byte[] decodedByte = Base64.getDecoder().decode(rawSplit[1]);
    BufferedImage image = ImageIO.read(new ByteArrayInputStream(decodedByte));
    BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(image);
    Map<DecodeHintType, Object> hintMap = new HashMap<>();
    hintMap.put(DecodeHintType.PURE_BARCODE, true);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    return reader.decode(bitmap, hintMap).getText();
}