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

Example 16 with MatrixToImageConfig

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

the class ReceiveController method getQrCode.

private Image getQrCode(String address) {
    try {
        QRCodeWriter qrCodeWriter = new QRCodeWriter();
        BitMatrix qrMatrix = qrCodeWriter.encode(address, BarcodeFormat.QR_CODE, 130, 130, Map.of(EncodeHintType.MARGIN, 2));
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        MatrixToImageWriter.writeToStream(qrMatrix, "PNG", baos, new MatrixToImageConfig());
        ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
        return new Image(bais);
    } catch (Exception e) {
        log.error("Error generating QR", e);
    }
    return null;
}

Example 17 with MatrixToImageConfig

use of com.google.zxing.client.j2se.MatrixToImageConfig in project spring-commons by damianwajser.

the class DefaultFormatter method write.

public byte[] write(String text, int width, int height) throws WriterException, IOException {
    LOGGER.info("Will generate image code=[{}], width=[{}], height=[{}]", text, width, height);
    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    BitMatrix matrix = new MultiFormatWriter().encode(text, BarcodeFormat.QR_CODE, width, height);
    MatrixToImageWriter.writeToStream(matrix, MediaType.IMAGE_PNG.getSubtype(), baos, new MatrixToImageConfig());
    return baos.toByteArray();
}