Examples with BitMatrix com.google.zxing.common.BitMatrix used on opensource projects

Example 21 with BitMatrix

use of com.google.zxing.common.BitMatrix in project weex-example by KalicyZhou.

the class Decoder method decode.

/**
   * <p>Convenience method that can decode a QR Code represented as a 2D array of booleans.
   * "true" is taken to mean a black module.</p>
   *
   * @param image booleans representing white/black QR Code modules
   * @param hints decoding hints that should be used to influence decoding
   * @return text and bytes encoded within the QR Code
   * @throws FormatException if the QR Code cannot be decoded
   * @throws ChecksumException if error correction fails
   */
public DecoderResult decode(boolean[][] image, Map<DecodeHintType, ?> hints) throws ChecksumException, FormatException {
    int dimension = image.length;
    BitMatrix bits = new BitMatrix(dimension);
    for (int i = 0; i < dimension; i++) {
        for (int j = 0; j < dimension; j++) {
            if (image[i][j]) {
                bits.set(j, i);
            }
        }
    }
    return decode(bits, hints);
}

Example 22 with BitMatrix

use of com.google.zxing.common.BitMatrix in project weex-example by KalicyZhou.

the class Version method buildFunctionPattern.

/**
   * See ISO 18004:2006 Annex E
   */
BitMatrix buildFunctionPattern() {
    int dimension = getDimensionForVersion();
    BitMatrix bitMatrix = new BitMatrix(dimension);
    // Top left finder pattern + separator + format
    bitMatrix.setRegion(0, 0, 9, 9);
    // Top right finder pattern + separator + format
    bitMatrix.setRegion(dimension - 8, 0, 8, 9);
    // Bottom left finder pattern + separator + format
    bitMatrix.setRegion(0, dimension - 8, 9, 8);
    // Alignment patterns
    int max = alignmentPatternCenters.length;
    for (int x = 0; x < max; x++) {
        int i = alignmentPatternCenters[x] - 2;
        for (int y = 0; y < max; y++) {
            if ((x == 0 && (y == 0 || y == max - 1)) || (x == max - 1 && y == 0)) {
                // No alignment patterns near the three finder paterns
                continue;
            }
            bitMatrix.setRegion(alignmentPatternCenters[y] - 2, i, 5, 5);
        }
    }
    // Vertical timing pattern
    bitMatrix.setRegion(6, 9, 1, dimension - 17);
    // Horizontal timing pattern
    bitMatrix.setRegion(9, 6, dimension - 17, 1);
    if (versionNumber > 6) {
        // Version info, top right
        bitMatrix.setRegion(dimension - 11, 0, 3, 6);
        // Version info, bottom left
        bitMatrix.setRegion(0, dimension - 11, 6, 3);
    }
    return bitMatrix;
}

Example 23 with BitMatrix

use of com.google.zxing.common.BitMatrix in project zxing by zxing.

the class CommandLineEncoder method main.

public static void main(String[] args) throws Exception {
    EncoderConfig config = new EncoderConfig();
    JCommander jCommander = new JCommander(config, args);
    jCommander.setProgramName(CommandLineEncoder.class.getSimpleName());
    if (config.help) {
        jCommander.usage();
        return;
    }
    String outFileString = config.outputFileBase;
    if (EncoderConfig.DEFAULT_OUTPUT_FILE_BASE.equals(outFileString)) {
        outFileString += '.' + config.imageFormat.toLowerCase(Locale.ENGLISH);
    }
    Map<EncodeHintType, Object> hints = new EnumMap<>(EncodeHintType.class);
    if (config.errorCorrectionLevel != null) {
        hints.put(EncodeHintType.ERROR_CORRECTION, config.errorCorrectionLevel);
    }
    BitMatrix matrix = new MultiFormatWriter().encode(config.contents.get(0), config.barcodeFormat, config.width, config.height, hints);
    MatrixToImageWriter.writeToPath(matrix, config.imageFormat, Paths.get(outFileString));
}

Example 24 with BitMatrix

use of com.google.zxing.common.BitMatrix in project zxing by zxing.

the class PDF417WriterTestCase method testDataMatrixImageWriter.

@Test
public void testDataMatrixImageWriter() throws WriterException {
    Map<EncodeHintType, Object> hints = new EnumMap<>(EncodeHintType.class);
    hints.put(EncodeHintType.MARGIN, 0);
    int size = 64;
    PDF417Writer writer = new PDF417Writer();
    BitMatrix matrix = writer.encode("Hello Google", BarcodeFormat.PDF_417, size, size, hints);
    assertNotNull(matrix);
    String expected = "X X X X X X X X   X   X   X       X X X X   X   X   X X X X         X X   X   X           X X         X X X X   X X     X     X X X     X X   X           X       X X     X X X X X   X   X   X X X X X     X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X   X   X   X X X X         X X   X   X           X X         X X X X   X X     X     X X X     X X   X           X       X X     X X X X X   X   X   X X X X X     X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X   X   X   X X X X         X X   X   X           X X         X X X X   X X     X     X X X     X X   X           X       X X     X X X X X   X   X   X X X X X     X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X   X   X   X X X X         X X   X   X           X X         X X X X   X X     X     X X X     X X   X           X       X X     X X X X X   X   X   X X X X X     X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X   X   X         X         X   X X     X     X X X X X X     X X X           X   X X       X   X X X   X           X X     X     X X X X X X   X   X   X X X       X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X   X   X         X         X   X X     X     X X X X X X     X X X           X   X X       X   X X X   X           X X     X     X X X X X X   X   X   X X X       X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X   X   X         X         X   X X     X     X X X X X X     X X X           X   X X       X   X X X   X           X X     X     X X X X X X   X   X   X X X       X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X   X   X         X         X   X X     X     X X X X X X     X X X           X   X X       X   X X X   X           X X     X     X X X X X X   X   X   X X X       X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X   X   X     X X X X             X   X X X       X       X X       X     X X   X X     X X X X       X X       X X X X X     X     X   X   X   X         X X X X         X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X   X   X     X X X X             X   X X X       X       X X       X     X X   X X     X X X X       X X       X X X X X     X     X   X   X   X         X X X X         X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X   X   X     X X X X             X   X X X       X       X X       X     X X   X X     X X X X       X X       X X X X X     X     X   X   X   X         X X X X         X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X   X   X     X X X X             X   X X X       X       X X       X     X X   X X     X X X X       X X       X X X X X     X     X   X   X   X         X X X X         X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X   X   X X X X     X X X X       X         X X       X X     X     X   X     X X X X       X X X X   X       X X       X X         X   X X   X   X X X X     X X X X X   X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X   X   X X X X     X X X X       X         X X       X X     X     X   X     X X X X       X X X X   X       X X       X X         X   X X   X   X X X X     X X X X X   X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X   X   X X X X     X X X X       X         X X       X X     X     X   X     X X X X       X X X X   X       X X       X X         X   X X   X   X X X X     X X X X X   X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X   X   X X X X     X X X X       X         X X       X X     X     X   X     X X X X       X X X X   X       X X       X X         X   X X   X   X X X X     X X X X X   X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X   X   X X X           X       X X     X       X X X     X       X X X X X X   X X   X     X X     X   X X X   X     X X X X X       X X X   X   X X X     X X         X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X   X   X X X           X       X X     X       X X X     X       X X X X X X   X X   X     X X     X   X X X   X     X X X X X       X X X   X   X X X     X X         X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X   X   X X X           X       X X     X       X X X     X       X X X X X X   X X   X     X X     X   X X X   X     X X X X X       X X X   X   X X X     X X         X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X   X   X X X           X       X X     X       X X X     X       X X X X X X   X X   X     X X     X   X X X   X     X X X X X       X X X   X   X X X     X X         X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X X   X   X X X X   X X     X           X   X       X X X X   X       X   X         X X X X     X           X X X   X       X X   X X X X   X   X X X X X   X X     X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X X   X   X X X X   X X     X           X   X       X X X X   X       X   X         X X X X     X           X X X   X       X X   X X X X   X   X X X X X   X X     X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X X   X   X X X X   X X     X           X   X       X X X X   X       X   X         X X X X     X           X X X   X       X X   X X X X   X   X X X X X   X X     X X X X X X X   X       X   X     X \n" + "X X X X X X X X   X   X   X       X X X X X   X   X X X X   X X     X           X   X       X X X X   X       X   X         X X X X     X           X X X   X       X X   X X X X   X   X X X X X   X X     X X X X X X X   X       X   X     X \n";
    assertEquals(expected, matrix.toString());
}

Example 25 with BitMatrix

use of com.google.zxing.common.BitMatrix in project zxing by zxing.

the class QRCodeWriterTestCase method testQRCodeWriter.

@Test
public void testQRCodeWriter() throws WriterException {
    // The QR should be multiplied up to fit, with extra padding if necessary
    int bigEnough = 256;
    Writer writer = new QRCodeWriter();
    BitMatrix matrix = writer.encode("http://www.google.com/", BarcodeFormat.QR_CODE, bigEnough, bigEnough, null);
    assertNotNull(matrix);
    assertEquals(bigEnough, matrix.getWidth());
    assertEquals(bigEnough, matrix.getHeight());
    // The QR will not fit in this size, so the matrix should come back bigger
    int tooSmall = 20;
    matrix = writer.encode("http://www.google.com/", BarcodeFormat.QR_CODE, tooSmall, tooSmall, null);
    assertNotNull(matrix);
    assertTrue(tooSmall < matrix.getWidth());
    assertTrue(tooSmall < matrix.getHeight());
    // We should also be able to handle non-square requests by padding them
    int strangeWidth = 500;
    int strangeHeight = 100;
    matrix = writer.encode("http://www.google.com/", BarcodeFormat.QR_CODE, strangeWidth, strangeHeight, null);
    assertNotNull(matrix);
    assertEquals(strangeWidth, matrix.getWidth());
    assertEquals(strangeHeight, matrix.getHeight());
}