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

Example 11 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project ngtesting-platform by aaronchen2k.

the class QrcodeServiceImpl method decode.

@Override
public JSONObject decode(String filePath) {
    BufferedImage image;
    try {
        image = ImageIO.read(new File(filePath));
        LuminanceSource source = new BufferedImageLuminanceSource(image);
        Binarizer binarizer = new HybridBinarizer(source);
        BinaryBitmap binaryBitmap = new BinaryBitmap(binarizer);
        Map<DecodeHintType, Object> hints = new HashMap<DecodeHintType, Object>();
        hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
        Result result = new MultiFormatReader().decode(binaryBitmap, hints);
        System.out.println(result.getText());
        JSONObject content = JSONObject.parseObject(result.getText());
        System.out.println("encode： " + result.getBarcodeFormat());
        return content;
    } catch (Exception e) {
        e.printStackTrace();
    }
    return null;
}

Example 12 with BufferedImageLuminanceSource

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

the class MatrixToImageWriterEx method decode.

/**
 * 解码
 *
 * @param filePath
 * @return
 */
@SuppressWarnings({ "rawtypes", "unchecked" })
public static String decode(String filePath) throws IOException, NotFoundException {
    BufferedImage image = ImageIO.read(new File(filePath));
    LuminanceSource source = new BufferedImageLuminanceSource(image);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    Hashtable<DecodeHintType, Object> hints = new Hashtable<>();
    hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
    Result result = new MultiFormatReader().decode(bitmap, hints);
    return result.getText();
}

Example 13 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project springboot-demo by small-rose.

the class QRCodeUtil method decode.

/**
 * 解码，将二维码里的信息解码出来
 * @param path
 * @return
 * @throws Exception
 */
public static String decode(String path) throws Exception {
    File file = new File(path);
    BufferedImage image;
    image = ImageIO.read(file);
    if (image == null) {
        return null;
    }
    BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(image);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    Result result;
    Hashtable hints = new Hashtable();
    hints.put(DecodeHintType.CHARACTER_SET, CHARSET);
    result = new MultiFormatReader().decode(bitmap, hints);
    String resultStr = result.getText();
    return resultStr;
}

Example 14 with BufferedImageLuminanceSource

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

the class CodecFrame method decodeBufferedImage.

@SuppressWarnings({ "rawtypes", "unchecked" })
private Optional<Result> decodeBufferedImage(BufferedImage bufferedImage) {
    try {
        /**
         * com.google.zxing.client.j2se.BufferedImageLuminanceSource：缓冲图像亮度源 将 java.awt.image.BufferedImage
         * 转为 zxing 的 缓冲图像亮度源 关键就是下面这几句：HybridBinarizer 用于读取二维码图像数据，BinaryBitmap 二进制位图
         */
        BufferedImageLuminanceSource source = new BufferedImageLuminanceSource(bufferedImage);
        BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
        Hashtable hints = new Hashtable();
        hints.put(DecodeHintType.CHARACTER_SET, "UTF-8");
        /**
         * 如果图片不是二维码图片，则 decode 抛异常：com.google.zxing.NotFoundException MultiFormatWriter 的 encode 用于对内容进行编码成
         * 2D 矩阵 MultiFormatReader 的 decode 用于读取二进制位图数据
         */
        return Optional.of(new MultiFormatReader().decode(bitmap, hints));
    } catch (NotFoundException e) {
        LOGGER.error(" Any errors which occurred...");
    }
    return Optional.empty();
}

Example 15 with BufferedImageLuminanceSource

use of com.google.zxing.client.j2se.BufferedImageLuminanceSource in project mica by lets-mica.

the class QrCode method readRawBytes.

/**
 * 从指定的 QRCode 图像对象中解析出其内容。
 *
 * @param qrCodeImage QRCode 图像对象
 * @return QRCode 中的内容
 */
public static byte[] readRawBytes(BufferedImage qrCodeImage) {
    LuminanceSource source = new BufferedImageLuminanceSource(qrCodeImage);
    BinaryBitmap bitmap = new BinaryBitmap(new HybridBinarizer(source));
    try {
        Result result = new QRCodeReader().decode(bitmap);
        return result.getRawBytes();
    } catch (NotFoundException | ChecksumException | FormatException e) {
        throw Exceptions.unchecked(e);
    } finally {
        qrCodeImage.getGraphics().dispose();
    }
}