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

Example 6 with GlobalHistogramBinarizer

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

the class RSSExpandedImage2stringTestCase method assertCorrectImage2string.

private static void assertCorrectImage2string(String fileName, String expected) throws IOException, NotFoundException {
    Path path = AbstractBlackBoxTestCase.buildTestBase("src/test/resources/blackbox/rssexpanded-1/").resolve(fileName);
    BufferedImage image = ImageIO.read(path.toFile());
    BinaryBitmap binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image)));
    int rowNumber = binaryMap.getHeight() / 2;
    BitArray row = binaryMap.getBlackRow(rowNumber, null);
    Result result;
    try {
        RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
        result = rssExpandedReader.decodeRow(rowNumber, row, null);
    } catch (ReaderException re) {
        fail(re.toString());
        return;
    }
    assertSame(BarcodeFormat.RSS_EXPANDED, result.getBarcodeFormat());
    assertEquals(expected, result.getText());
}

Example 7 with GlobalHistogramBinarizer

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

the class RSSExpandedInternalTestCase method testDecodeDataCharacter.

@Test
public void testDecodeDataCharacter() throws Exception {
    BufferedImage image = readImage("3.png");
    BinaryBitmap binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image)));
    BitArray row = binaryMap.getBlackRow(binaryMap.getHeight() / 2, null);
    //image pixels where the A1 pattern starts (at 124) and ends (at 214)
    int[] startEnd = { 145, 243 };
    // A
    int value = 0;
    FinderPattern finderPatternA1 = new FinderPattern(value, startEnd, startEnd[0], startEnd[1], image.getHeight() / 2);
    //{1, 8, 4, 1, 1};
    RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
    DataCharacter dataCharacter = rssExpandedReader.decodeDataCharacter(row, finderPatternA1, true, false);
    assertEquals(19, dataCharacter.getValue());
    assertEquals(1007, dataCharacter.getChecksumPortion());
}

Example 8 with GlobalHistogramBinarizer

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

the class TestCaseUtil method getBinaryBitmap.

static BinaryBitmap getBinaryBitmap(String path) throws IOException {
    BufferedImage bufferedImage = getBufferedImage(path);
    BufferedImageLuminanceSource luminanceSource = new BufferedImageLuminanceSource(bufferedImage);
    return new BinaryBitmap(new GlobalHistogramBinarizer(luminanceSource));
}

Example 9 with GlobalHistogramBinarizer

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

the class RSSExpandedInternalTestCase method testDecodeCheckCharacter.

@Test
public void testDecodeCheckCharacter() throws Exception {
    BufferedImage image = readImage("3.png");
    BinaryBitmap binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image)));
    BitArray row = binaryMap.getBlackRow(binaryMap.getHeight() / 2, null);
    //image pixels where the A1 pattern starts (at 124) and ends (at 214)
    int[] startEnd = { 145, 243 };
    // A
    int value = 0;
    FinderPattern finderPatternA1 = new FinderPattern(value, startEnd, startEnd[0], startEnd[1], image.getHeight() / 2);
    //{1, 8, 4, 1, 1};
    RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
    DataCharacter dataCharacter = rssExpandedReader.decodeDataCharacter(row, finderPatternA1, true, true);
    assertEquals(98, dataCharacter.getValue());
}

Example 10 with GlobalHistogramBinarizer

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

the class RSSExpandedInternalTestCase method testRetrieveNextPairPatterns.

@Test
public void testRetrieveNextPairPatterns() throws Exception {
    BufferedImage image = readImage("3.png");
    BinaryBitmap binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BufferedImageLuminanceSource(image)));
    int rowNumber = binaryMap.getHeight() / 2;
    BitArray row = binaryMap.getBlackRow(rowNumber, null);
    List<ExpandedPair> previousPairs = new ArrayList<>();
    RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
    ExpandedPair pair1 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber);
    previousPairs.add(pair1);
    FinderPattern finderPattern = pair1.getFinderPattern();
    assertNotNull(finderPattern);
    assertEquals(0, finderPattern.getValue());
    ExpandedPair pair2 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber);
    previousPairs.add(pair2);
    finderPattern = pair2.getFinderPattern();
    assertNotNull(finderPattern);
    assertEquals(0, finderPattern.getValue());
}