public void testDecodingRowByRow()
{
RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
BinaryBitmap binaryMap = TestCaseUtil.getBinaryBitmap("test/data/blackbox/rssexpandedstacked-2/1000.png");
int firstRowNumber = binaryMap.Height / 3;
BitArray firstRow = binaryMap.getBlackRow(firstRowNumber, null);
Assert.IsFalse(rssExpandedReader.decodeRow2pairs(firstRowNumber, firstRow));
Assert.AreEqual(1, rssExpandedReader.Rows.Count);
ExpandedRow firstExpandedRow = rssExpandedReader.Rows[0];
Assert.AreEqual(firstRowNumber, firstExpandedRow.RowNumber);
Assert.AreEqual(2, firstExpandedRow.Pairs.Count);
firstExpandedRow.Pairs[1].FinderPattern.StartEnd[1] = 0;
int secondRowNumber = 2 * binaryMap.Height / 3;
BitArray secondRow = binaryMap.getBlackRow(secondRowNumber, null);
secondRow.reverse();
Assert.IsTrue(rssExpandedReader.decodeRow2pairs(secondRowNumber, secondRow));
var totalPairs = rssExpandedReader.Pairs;
Result result = RSSExpandedReader.constructResult(totalPairs);
Assert.AreEqual("(01)98898765432106(3202)012345(15)991231", result.Text);
}
public void testRetrieveNextPairPatterns()
{
var rssExpandedReader = new RSSExpandedReader();
var image = TestCaseUtil.readImage("test/data/blackbox/rssexpanded-1", "3.png");
var binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BitmapLuminanceSource(image)));
var rowNumber = binaryMap.Height / 2;
var row = binaryMap.getBlackRow(rowNumber, null);
var previousPairs = new List <ExpandedPair>();
var pair1 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber);
previousPairs.Add(pair1);
var finderPattern = pair1.FinderPattern;
Assert.IsNotNull(finderPattern);
Assert.AreEqual(0, finderPattern.Value);
var pair2 = rssExpandedReader.retrieveNextPair(row, previousPairs, rowNumber);
previousPairs.Add(pair2);
finderPattern = pair2.FinderPattern;
Assert.IsNotNull(finderPattern);
Assert.AreEqual(0, finderPattern.Value);
}
public void testCompleteDecode()
{
RSSExpandedReader rssExpandedReader = new RSSExpandedReader();
BinaryBitmap binaryMap = TestCaseUtil.getBinaryBitmap("test/data/blackbox/rssexpandedstacked-2/1000.png");
Result result = rssExpandedReader.decode(binaryMap);
Assert.AreEqual("(01)98898765432106(3202)012345(15)991231", result.Text);
}
private static void assertCorrectImage2binary(String imageFileName, String expected)
{
var rssExpandedReader = new RSSExpandedReader();
var binaryMap = TestCaseUtil.getBinaryBitmap("test/data/blackbox/rssexpanded-1", imageFileName);
var rowNumber = binaryMap.Height / 2;
var row = binaryMap.getBlackRow(rowNumber, null);
Assert.IsTrue(rssExpandedReader.decodeRow2pairs(rowNumber, row));
var binary = BitArrayBuilder.buildBitArray(rssExpandedReader.Pairs);
Assert.AreEqual(expected, binary.ToString());
}
private static void assertCorrectImage2string(String imageFileName, String expected)
{
var rssExpandedReader = new RSSExpandedReader();
var binaryMap = TestCaseUtil.getBinaryBitmap("test/data/blackbox/rssexpanded-1", imageFileName);
var rowNumber = binaryMap.Height / 2;
var row = binaryMap.getBlackRow(rowNumber, null);
var result = rssExpandedReader.decodeRow(rowNumber, row, null);
Assert.IsNotNull(result);
Assert.AreEqual(BarcodeFormat.RSS_EXPANDED, result.BarcodeFormat);
Assert.AreEqual(expected, result.Text);
}
public void testDecodeCheckCharacter()
{
var rssExpandedReader = new RSSExpandedReader();
var image = TestCaseUtil.readImage("test/data/blackbox/rssexpanded-1", "3.png");
var binaryMap = new BinaryBitmap(new GlobalHistogramBinarizer(new BitmapLuminanceSource(image)));
var row = binaryMap.getBlackRow(binaryMap.Height / 2, null);
int[] startEnd = { 145, 243 }; //image pixels where the A1 pattern starts (at 124) and ends (at 214)
int value = 0; // A
var finderPatternA1 = new FinderPattern(value, startEnd, startEnd[0], startEnd[1], image.Height / 2);
//{1, 8, 4, 1, 1};
var dataCharacter = rssExpandedReader.decodeDataCharacter(row, finderPatternA1, true, true);
Assert.AreEqual(98, dataCharacter.Value);
}
