public void Add(bool[] initial, int value, int bitCount, bool[] expected)
{
var target = new BitList();
target.Add(initial);
target.Add(value, bitCount);
CollectionAssert.AreEquivalent(expected, target);
}
private static BitList VersionInfoBitList(int version)
{
BitList result = new BitList();
result.Add(version, s_LengthDataBits);
result.Add(BCHCalculator.CalculateBCH(version, s_VersionBCHPoly), s_LengthECBits);
if(result.Count != (s_LengthECBits + s_LengthDataBits))
throw new Exception("Version Info creation error. Result is not 18 bits");
return result;
}
static void Main(string[] args)
{
BitList<int> list = new BitList<int>();
list.Add(1, 0);
list.Add(2, 0);
list.Add(3, 0);
list.Add(4, 1);
list.Add(5, 3);
list.PrintList();
}
/// <summary>
///
/// </summary>
/// <param name="characterCount"></param>
/// <returns></returns>
internal BitList GetCharCountIndicator(int characterCount, int version)
{
BitList characterCountBits = new BitList();
int bitCount = GetBitCountInCharCountIndicator(version);
characterCountBits.Add(characterCount, bitCount);
return characterCountBits;
}
private void TestOneCase(IEnumerable<bool> dataCodewords, VersionDetail vc, IEnumerable<bool> expected)
{
BitList dcList = new BitList();
dcList.Add(dataCodewords);
IEnumerable<bool> actualResult = ECGenerator.FillECCodewords(dcList, vc);
BitVectorTestExtensions.CompareIEnumerable(actualResult, expected, "string");
}
private void TestOneData(IEnumerable<bool> data, int numTotalByte, IEnumerable<bool> expected)
{
BitList tData = new BitList();
tData.Add(data);
tData.TerminateBites(tData.Count, numTotalByte);
IEnumerable actualResult = tData;
CollectionAssert.AreEquivalent(expected.ToList(), actualResult);
}
/// <summary>
/// Toes the bit list.
/// </summary>
/// <param name="bArray">The b array.</param>
/// <returns></returns>
/// <remarks></remarks>
internal static BitList ToBitList(byte[] bArray)
{
int bLength = bArray.Length;
var result = new BitList();
for (int bIndex = 0; bIndex < bLength; bIndex++)
{
result.Add(bArray[bIndex], 8);
}
return result;
}
private void Test_One_Case(int version, TriStateMatrix expected, IEnumerable<bool> codewords)
{
BitList dcList = new BitList();
dcList.Add(codewords);
TriStateMatrix target = new TriStateMatrix(expected.Width);
PositioninngPatternBuilder.EmbedBasicPatterns(version, target);
target.TryEmbedCodewords(dcList);
expected.AssertEquals(target);
}
public void Test003()
{
var bs = new BitList();
var ret = new StringBuilder();
for (var i = 0; i < 12; i++)
{
var item = (i % 2) != 0;
bs.Add(item);
ret.Insert(0, item ? "1" : "0");
}
Assert.AreEqual(ret.ToString(), string.Join("", bs.Reverse().Select(a => a ? "1" : "0")));
}
public void Test005()
{
var bs = new BitList();
for (var i = 0; i < 8000000; i++)
{
bs.Add(i % 2 != 0); // Index# Even=false, Odd=true
}
Assert.AreEqual(false, bs[0]);
Assert.AreEqual(false, bs[1000000]);
Assert.AreEqual(true, bs[4999999]);
Assert.AreEqual(true, bs[7999999]);
}
private void Test_One_Case(int version, TriStateMatrix expected, IEnumerable <bool> codewords)
{
BitList dcList = new BitList();
dcList.Add(codewords);
TriStateMatrix target = new TriStateMatrix(expected.Width);
PositioninngPatternBuilder.EmbedBasicPatterns(version, target);
target.TryEmbedCodewords(dcList);
expected.AssertEquals(target);
}
internal override BitList GetDataBits(string content)
{
BitList dataBits = new BitList();
int contentLength = content.Length;
for (int i = 0; i < contentLength; i += 2)
{
int groupLength = Math.Min(2, contentLength-i);
int value = GetAlphaNumValue(content, i, groupLength);
int bitCount = GetBitCountByGroupLength(groupLength);
dataBits.Add(value, bitCount);
}
return dataBits;
}
/// <summary>
/// Encodes the specified content.
/// </summary>
/// <param name="content">The content.</param>
/// <param name="ecLevel">The ec level.</param>
/// <returns></returns>
/// <remarks></remarks>
internal static EncodationStruct Encode(string content, ErrorCorrectionLevel ecLevel)
{
RecognitionStruct recognitionResult = InputRecognise.Recognise(content);
EncoderBase encoderBase = CreateEncoder(recognitionResult.Mode, recognitionResult.EncodingName);
BitList encodeContent = encoderBase.GetDataBits(content);
int encodeContentLength = encodeContent.Count;
VersionControlStruct vcStruct =
VersionControl.InitialSetup(encodeContentLength, recognitionResult.Mode, ecLevel,
recognitionResult.EncodingName);
var dataCodewords = new BitList();
//Eci header
if (vcStruct.isContainECI && vcStruct.ECIHeader != null)
dataCodewords.Add(vcStruct.ECIHeader);
//Header
dataCodewords.Add(encoderBase.GetModeIndicator());
int numLetter = recognitionResult.Mode == Mode.EightBitByte ? encodeContentLength >> 3 : content.Length;
dataCodewords.Add(encoderBase.GetCharCountIndicator(numLetter, vcStruct.VersionDetail.Version));
//Data
dataCodewords.Add(encodeContent);
//Terminator Padding
dataCodewords.TerminateBites(dataCodewords.Count, vcStruct.VersionDetail.NumDataBytes);
int dataCodewordsCount = dataCodewords.Count;
if ((dataCodewordsCount & 0x7) != 0)
throw new ArgumentException("data codewords is not byte sized.");
else if (dataCodewordsCount >> 3 != vcStruct.VersionDetail.NumDataBytes)
{
throw new ArgumentException("datacodewords num of bytes not equal to NumDataBytes for current version");
}
var encStruct = new EncodationStruct(vcStruct);
encStruct.Mode = recognitionResult.Mode;
encStruct.DataCodewords = dataCodewords;
return encStruct;
}
internal override BitList GetDataBits(string content)
{
BitList dataBits = new BitList();
int contentLength = content.Length;
for (int i = 0; i < contentLength; i += 2)
{
int groupLength = Math.Min(2, contentLength - i);
int value = GetAlphaNumValue(content, i, groupLength);
int bitCount = GetBitCountByGroupLength(groupLength);
dataBits.Add(value, bitCount);
}
return(dataBits);
}
public void Test009()
{
var bs1 = new BitList
{
true,
false,
true
};
var bs2 = new BitArray(new[] { true, false, true, true, });
bs1.Add(bs2);
Assert.AreEqual("1101101", string.Join("", bs1.Reverse().Select(a => a ? "1" : "0")));
}
internal static EncodationStruct Encode(IEnumerable<byte> content, ErrorCorrectionLevel eclevel)
{
EncoderBase encoderBase = CreateEncoder(Mode.EightBitByte, QRCodeConstantVariable.DefaultEncoding);
BitList encodeContent = new BitList(content);
int encodeContentLength = encodeContent.Count;
VersionControlStruct vcStruct =
VersionControl.InitialSetup(encodeContentLength, Mode.EightBitByte, eclevel, QRCodeConstantVariable.DefaultEncoding);
BitList dataCodewords = new BitList();
//Eci header
if (vcStruct.isContainECI && vcStruct.ECIHeader != null)
dataCodewords.Add(vcStruct.ECIHeader);
//Header
dataCodewords.Add(encoderBase.GetModeIndicator());
int numLetter = encodeContentLength >> 3;
dataCodewords.Add(encoderBase.GetCharCountIndicator(numLetter, vcStruct.VersionDetail.Version));
//Data
dataCodewords.Add(encodeContent);
//Terminator Padding
dataCodewords.TerminateBites(dataCodewords.Count, vcStruct.VersionDetail.NumDataBytes);
int dataCodewordsCount = dataCodewords.Count;
if ((dataCodewordsCount & 0x7) != 0)
throw new ArgumentException("data codewords is not byte sized.");
else if (dataCodewordsCount >> 3 != vcStruct.VersionDetail.NumDataBytes)
{
throw new ArgumentException("datacodewords num of bytes not equal to NumDataBytes for current version");
}
EncodationStruct encStruct = new EncodationStruct(vcStruct);
encStruct.Mode = Mode.EightBitByte;
encStruct.DataCodewords = dataCodewords;
return encStruct;
}
internal BitList GetDataBitsByByteArray(byte[] encodeContent, string encodingName)
{
BitList dataBits = new BitList();
//Current plan for UTF8 support is put Byte order Mark in front of content byte.
//Also include ECI header before encoding header. Which will be add with encoding header.
if (encodingName == "utf-8")
{
byte[] utf8BOM = QRCodeConstantVariable.UTF8ByteOrderMark;
int utf8BOMLength = utf8BOM.Length;
for (int index = 0; index < utf8BOMLength; index++)
{
dataBits.Add(utf8BOM[index], EIGHT_BIT_BYTE_BITCOUNT);
}
}
int encodeContentLength = encodeContent.Length;
for (int index = 0; index < encodeContentLength; index++)
{
dataBits.Add(encodeContent[index], EIGHT_BIT_BYTE_BITCOUNT);
}
return(dataBits);
}
public void Test001()
{
var bs = new BitList();
Assert.AreEqual(0x00, bs.GetByte(0));
bs.Add(true);
Assert.AreEqual(0x01, bs.GetByte(0));
bs.Add(true);
Assert.AreEqual(0x03, bs.GetByte(0));
bs.Add(true);
Assert.AreEqual(0x07, bs.GetByte(0));
bs.Add(true);
Assert.AreEqual(0x0f, bs.GetByte(0));
bs.Add(true);
Assert.AreEqual(0x1f, bs.GetByte(0));
bs.Add(true);
Assert.AreEqual(0x3f, bs.GetByte(0));
bs.Add(true);
Assert.AreEqual(0x7f, bs.GetByte(0));
bs.Add(true);
Assert.AreEqual(0xff, bs.GetByte(0));
bs.Add(true);
Assert.AreEqual(0xff, bs.GetByte(0));
Assert.AreEqual(0x01, bs.GetByte(1));
Assert.AreEqual(9, bs.Count);
bs.Clear();
Assert.AreEqual(0, bs.Count);
foreach (var _ in bs)
{
Assert.Fail();
}
foreach (var _ in bs.ToBytes())
{
Assert.Fail();
}
}
internal BitList GetDataBitsByByteArray(byte[] encodeContent, int contentLength)
{
BitList dataBits = new BitList();
int bytesLength = encodeContent.Length;
if(bytesLength == contentLength*2)
{
for(int i = 0; i < bytesLength; i += 2)
{
int encoded = ConvertShiftJIS(encodeContent[i], encodeContent[i+1]);
dataBits.Add(encoded, KANJI_BITCOUNT);
}
}
else
throw new ArgumentOutOfRangeException("Each char must be two byte length");
return dataBits;
}
internal BitList GetDataBitsByByteArray(byte[] encodeContent, int contentLength)
{
BitList dataBits = new BitList();
int bytesLength = encodeContent.Length;
if (bytesLength == contentLength * 2)
{
for (int i = 0; i < bytesLength; i += 2)
{
int encoded = ConvertShiftJIS(encodeContent[i], encodeContent[i + 1]);
dataBits.Add(encoded, KANJI_BITCOUNT);
}
}
else
{
throw new ArgumentOutOfRangeException("Each char must be two byte length");
}
return(dataBits);
}
public void PerformanceTest()
{
Random randomizer = new Random();
BitVector dataCodewordsV = GenerateDataCodewords(s_vcInfo.NumDataBytes, randomizer);
BitList dataCodewordsL = new BitList();
dataCodewordsL.Add(dataCodewordsV);
Stopwatch sw = new Stopwatch();
int timesofTest = 1000;
string[] timeElapsed = new string[2];
sw.Start();
for(int i = 0; i < timesofTest; i++)
{
ECGenerator.FillECCodewords(dataCodewordsL, s_vcInfo);
}
sw.Stop();
timeElapsed[0] = sw.ElapsedMilliseconds.ToString();
sw.Reset();
sw.Start();
for(int i = 0; i < timesofTest; i++)
{
BitVector finalBits = new BitVector();
EncoderInternal.interleaveWithECBytes(dataCodewordsV, s_vcInfo.NumTotalBytes, s_vcInfo.NumDataBytes, s_vcInfo.NumECBlocks, finalBits);
}
sw.Stop();
timeElapsed[1] = sw.ElapsedMilliseconds.ToString();
Assert.Pass("ErrorCorrection performance {0} Tests~ QrCode.Net: {1} ZXing: {2}", timesofTest, timeElapsed[0], timeElapsed[1]);
}
public void Test002()
{
var bs = new BitList();
foreach (var _ in bs.ToByteArray())
{
Assert.Fail();
}
foreach (var _ in Collection.Seq(32))
{
bs.Add(true);
}
for (var i = 0; i < 32; i++)
{
Assert.AreEqual(true, bs.Check(i));
}
Assert.AreEqual(0b11111111_11111111_11111111_11111111u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs[10] = false;
Assert.AreEqual(0b11111111_11111111_11111011_11111111u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs[20] = false;
Assert.AreEqual(0b11111111_11101111_11111011_11111111u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs[30] = false;
Assert.AreEqual(0b10111111_11101111_11111011_11111111u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs[31] = false;
Assert.AreEqual(0b00111111_11101111_11111011_11111111u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs.Set(0, false);
Assert.AreEqual(0b00111111_11101111_11111011_11111110u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs[10] = true;
Assert.AreEqual(0b00111111_11101111_11111111_11111110u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs[20] = true;
Assert.AreEqual(0b00111111_11111111_11111111_11111110u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs[30] = true;
Assert.AreEqual(0b01111111_11111111_11111111_11111110u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs[31] = true;
Assert.AreEqual(0b11111111_11111111_11111111_11111110u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
bs.Set(0, true);
Assert.AreEqual(0b11111111_11111111_11111111_11111111u, BitConverter.ToUInt32(bs.ToByteArray(), 0));
}
private static BitList GetFormatInfoBits(ErrorCorrectionLevel errorlevel, Pattern pattern)
{
int formatInfo = (int)pattern.MaskPatternType;
//Pattern bits length = 3
formatInfo |= GetErrorCorrectionIndicatorBits(errorlevel) << 3;
int bchCode = BCHCalculator.CalculateBCH(formatInfo, s_FormatInfoPoly);
//bchCode length = 10
formatInfo = (formatInfo << 10) | bchCode;
//xor maskPattern
formatInfo ^= s_FormatInfoMaskPattern;
BitList resultBits = new BitList();
resultBits.Add(formatInfo, 15);
if(resultBits.Count != 15)
throw new Exception("FormatInfoBits length is not 15");
else
return resultBits;
}
public void PerformanceTest()
{
Random randomizer = new Random();
BitVector dataCodewordsV = GenerateDataCodewords(s_vcInfo.NumDataBytes, randomizer);
BitList dataCodewordsL = new BitList();
dataCodewordsL.Add(dataCodewordsV);
Stopwatch sw = new Stopwatch();
int timesofTest = 1000;
string[] timeElapsed = new string[2];
sw.Start();
for (int i = 0; i < timesofTest; i++)
{
ECGenerator.FillECCodewords(dataCodewordsL, s_vcInfo);
}
sw.Stop();
timeElapsed[0] = sw.ElapsedMilliseconds.ToString();
sw.Reset();
sw.Start();
for (int i = 0; i < timesofTest; i++)
{
BitVector finalBits = new BitVector();
EncoderInternal.interleaveWithECBytes(dataCodewordsV, s_vcInfo.NumTotalBytes, s_vcInfo.NumDataBytes, s_vcInfo.NumECBlocks, finalBits);
}
sw.Stop();
timeElapsed[1] = sw.ElapsedMilliseconds.ToString();
Assert.Pass("ErrorCorrection performance {0} Tests~ QrCode.Net: {1} ZXing: {2}", timesofTest, timeElapsed[0], timeElapsed[1]);
}
public void CopyToShouldWork()
{
const int ByteCount = 1927;
const int BoolCount = ByteCount * 8;
const int ArrayOffset = 3871;
byte[] someStuff = CryptographicRandomGenerator.GetBuffer(ByteCount);
var bl = new BitList();
foreach (byte val in someStuff)
{
for (int j = 0; j < 8; ++j)
{
bl.Add((val & (1 << j)) > 0);
}
}
bool[] vals = new bool[BoolCount + ArrayOffset];
((IList <bool>)bl).CopyTo(vals, ArrayOffset);
Assert.Equal(bl, vals.Skip(ArrayOffset));
}
public void ToBitArrayShouldWork()
{
const int ByteCount = 1927;
byte[] someStuff = CryptographicRandomGenerator.GetBuffer(ByteCount);
var bl = new BitList();
foreach (byte val in someStuff)
{
for (int j = 0; j < 8; ++j)
{
bl.Add((val & (1 << j)) > 0);
}
}
var ba = bl.ToBitArray();
Assert.Equal(bl.Count, ba.Length);
for (int i = 0; i < bl.Count; ++i)
{
Assert.Equal(bl[i], ba[i]);
}
}
internal BitList GetDataBitsByByteArray(byte[] encodeContent, string encodingName)
{
BitList dataBits = new BitList();
//Current plan for UTF8 support is put Byte order Mark in front of content byte.
//Also include ECI header before encoding header. Which will be add with encoding header.
if(encodingName == "utf-8")
{
byte[] utf8BOM = QRCodeConstantVariable.UTF8ByteOrderMark;
int utf8BOMLength = utf8BOM.Length;
for(int index = 0; index < utf8BOMLength; index++)
{
dataBits.Add(utf8BOM[index], EIGHT_BIT_BYTE_BITCOUNT);
}
}
int encodeContentLength = encodeContent.Length;
for(int index = 0; index < encodeContentLength; index++)
{
dataBits.Add(encodeContent[index], EIGHT_BIT_BYTE_BITCOUNT);
}
return dataBits;
}
/// <summary>
/// Generate error correction blocks. Then out put with codewords BitList
/// ISO/IEC 18004/2006 P45, 46. Chapter 6.6 Constructing final message codewords sequence.
/// </summary>
/// <param name="dataCodewords">Datacodewords from DataEncodation.DataEncode</param>
/// <param name="numTotalBytes">Total number of bytes</param>
/// <param name="numDataBytes">Number of data bytes</param>
/// <param name="numECBlocks">Number of Error Correction blocks</param>
/// <returns>codewords BitList contain datacodewords and ECCodewords</returns>
internal static BitList FillECCodewords(BitList dataCodewords, VersionDetail vd)
{
List <byte> dataCodewordsByte = dataCodewords.List;
int ecBlockGroup2 = vd.ECBlockGroup2;
int ecBlockGroup1 = vd.ECBlockGroup1;
int numDataBytesGroup1 = vd.NumDataBytesGroup1;
int numDataBytesGroup2 = vd.NumDataBytesGroup2;
int ecBytesPerBlock = vd.NumECBytesPerBlock;
int dataBytesOffset = 0;
byte[][] dByteJArray = new byte[vd.NumECBlocks][];
byte[][] ecByteJArray = new byte[vd.NumECBlocks][];
GaloisField256 gf256 = GaloisField256.QRCodeGaloisField;
GeneratorPolynomial generator = new GeneratorPolynomial(gf256);
for (int blockID = 0; blockID < vd.NumECBlocks; blockID++)
{
if (blockID < ecBlockGroup1)
{
dByteJArray[blockID] = new byte[numDataBytesGroup1];
for (int index = 0; index < numDataBytesGroup1; index++)
{
dByteJArray[blockID][index] = dataCodewordsByte[dataBytesOffset + index];
}
dataBytesOffset += numDataBytesGroup1;
}
else
{
dByteJArray[blockID] = new byte[numDataBytesGroup2];
for (int index = 0; index < numDataBytesGroup2; index++)
{
dByteJArray[blockID][index] = dataCodewordsByte[dataBytesOffset + index];
}
dataBytesOffset += numDataBytesGroup2;
}
ecByteJArray[blockID] = ReedSolomonEncoder.Encode(dByteJArray[blockID], ecBytesPerBlock, generator);
}
if (vd.NumDataBytes != dataBytesOffset)
{
throw new ArgumentException("Data bytes does not match offset");
}
BitList codewords = new BitList();
int maxDataLength = ecBlockGroup1 == vd.NumECBlocks ? numDataBytesGroup1 : numDataBytesGroup2;
for (int dataID = 0; dataID < maxDataLength; dataID++)
{
for (int blockID = 0; blockID < vd.NumECBlocks; blockID++)
{
if (!(dataID == numDataBytesGroup1 && blockID < ecBlockGroup1))
{
codewords.Add((int)dByteJArray[blockID][dataID], 8);
}
}
}
for (int ECID = 0; ECID < ecBytesPerBlock; ECID++)
{
for (int blockID = 0; blockID < vd.NumECBlocks; blockID++)
{
codewords.Add((int)ecByteJArray[blockID][ECID], 8);
}
}
if (vd.NumTotalBytes != codewords.Count >> 3)
{
throw new ArgumentException(string.Format("total bytes: {0}, actual bits: {1}", vd.NumTotalBytes, codewords.Count));
}
return(codewords);
}
/// <remarks>ISO/IEC 18004:2006 Chapter 6.4.2 Page 24.</remarks>
internal BitList GetECIHeader(string encodingName)
{
int eciValue = GetECIValueByName(encodingName);
BitList dataBits = new BitList();
dataBits.Add(ECIMode, ECIIndicatorNumBits);
int eciAssignmentByte = NumOfCodewords(eciValue);
//Number of bits = Num codewords indicator + codeword value = Number of codewords * 8
//Chapter 6.4.2.1 ECI Designator ISOIEC 18004:2006 Page 24
int eciAssignmentBits = 0;
switch (eciAssignmentByte)
{
case 1:
//Indicator = 0. Page 24. Chapter 6.4.2.1
dataBits.Add((int)ECICodewordsLength.one, 1);
eciAssignmentBits = eciAssignmentByte * 8 - 1;
break;
case 2:
//Indicator = 10. Page 24. Chapter 6.4.2.1
dataBits.Add((int)ECICodewordsLength.two, 2);
eciAssignmentBits = eciAssignmentByte * 8 - 2;
break;
case 3:
//Indicator = 110. Page 24. Chapter 6.4.2.1
dataBits.Add((int)ECICodewordsLength.three, 3);
eciAssignmentBits = eciAssignmentByte * 8 - 3;
break;
default:
throw new InvalidOperationException("Assignment Codewords should be either 1, 2 or 3");
}
dataBits.Add(eciValue, eciAssignmentBits);
return dataBits;
}
private void TestBitListWith(int size, int seed)
{
BitList blist = new BitList();
List <bool> list = new List <bool>();
Random r = new Random(seed);
for (int i = 0; i < size; i++)
{
bool b = r.NextDouble() < 0.5;
blist.Add(b);
list.Add(b);
AssertListEquals(list, blist);
}
for (int i = size - 1; i >= 0; i -= 3)
{
blist.RemoveAt(i);
list.RemoveAt(i);
AssertListEquals(list, blist);
if (i % 4 == 0)
{
bool b = r.NextDouble() < 0.5;
int index = r.Next(100);
blist.Insert(index, b);
list.Insert(index, b);
AssertListEquals(list, blist);
}
}
for (int i = 0; i < blist.Count; i++)
{
bool b = r.NextDouble() < 0.5;
int index = r.Next(blist.Count);
blist[index] = b;
list[index] = b;
AssertListEquals(list, blist);
}
for (int i = 0; i < size; i++)
{
bool b = r.NextDouble() < 0.5;
blist.Add(b);
list.Add(b);
AssertListEquals(list, blist);
}
bool[] arrayA = new bool[list.Count + 2];
bool[] arrayB = new bool[blist.Count + 2];
Assert.AreEqual(arrayA.Length, arrayB.Length);
list.CopyTo(arrayA, 2);
blist.CopyTo(arrayB, 2);
for (int i = 0; i < arrayA.Length; i++)
{
Assert.AreEqual(arrayA[i], arrayB[i]);
}
for (int i = list.Count - 1; i >= 0; i--)
{
blist.RemoveAt(i);
list.RemoveAt(i);
AssertListEquals(list, blist);
}
}
/// <summary>
/// Returns bit representation of <see cref="Mode"/> value.
/// </summary>
/// <returns></returns>
/// <remarks>See Chapter 8.4 Data encodation, Table 2 — Mode indicators</remarks>
internal BitList GetModeIndicator()
{
BitList modeIndicatorBits = new BitList();
modeIndicatorBits.Add((int)this.Mode, 4);
return modeIndicatorBits;
}
public void TestBitList()
{
BitList list = new BitList();
for (int i = 0; i < 1025; i++)
{
list.Add(true);
}
Assert.AreEqual(0, list.IndexOf(true));
Assert.AreEqual(-1, list.IndexOf(false));
list.Add(false);
Assert.AreEqual(0, list.IndexOf(true));
Assert.AreEqual(1025, list.IndexOf(false));
Assert.IsTrue(list.Remove(false));
Assert.AreEqual(0, list.IndexOf(true));
Assert.AreEqual(-1, list.IndexOf(false));
try
{
var x = new bool[1024];
list.CopyTo(x, 0);
Assert.Fail();
}
catch (InvalidOperationException) { }
try
{
var x = new bool[1026];
list.CopyTo(x, 3);
Assert.Fail();
}
catch (InvalidOperationException) { }
var array = new bool[1025];
list.CopyTo(array, 0);
int index = 0;
foreach (bool value in array)
{
Assert.AreEqual(list[index++], value);
}
Assert.AreEqual(1025, list.Count);
for (int i = 0; i < 1025; i++)
{
list.RemoveAt(list.Count / 2);
}
Assert.AreEqual(0, list.Count);
if (list.Remove(false))
{
Assert.Fail();
}
if (list.Remove(true))
{
Assert.Fail();
}
try
{
list.RemoveAt(0);
Assert.Fail();
}
catch (IndexOutOfRangeException) { }
try
{
list[0] = false;
Assert.Fail();
}
catch (IndexOutOfRangeException) { }
try
{
var a = list[0];
Assert.Fail();
}
catch (IndexOutOfRangeException) { }
list.Insert(0, true);
if (!list.Remove(true))
{
Assert.Fail();
}
try
{
list.Insert(1, true);
Assert.Fail();
}
catch (IndexOutOfRangeException) { }
try
{
list.CopyTo(null, 0);
Assert.Fail();
}
catch (NullReferenceException) { }
array = new bool[0];
list.CopyTo(array, 0);
try
{
list.CopyTo(array, -1);
Assert.Fail();
}
catch (IndexOutOfRangeException) { }
TestBitListWith(128, 1234);
TestBitListWith(1024, 54321);
TestBitListWith(256, 11);
TestBitListWith(2048, 242);
TestBitListWith(1111, 42);
BitList blist = new BitList();
blist.Add(false);
blist.Add(false);
Assert.IsTrue(blist.Contains(false));
Assert.IsFalse(blist.Contains(true));
blist.Add(true);
Assert.IsTrue(blist.Contains(false));
Assert.IsTrue(blist.Contains(true));
blist.Clear();
Assert.AreEqual(0, blist.Count);
blist.Add(true);
blist.Add(true);
Assert.IsFalse(blist.Contains(false));
Assert.IsTrue(blist.Contains(true));
blist.Add(false);
Assert.IsTrue(blist.Contains(false));
Assert.IsTrue(blist.Contains(true));
blist.Clear();
Assert.AreEqual(0, blist.Count);
for (int i = 0; i < 128; i++)
{
blist.Add(false);
}
Assert.IsTrue(blist.Contains(false));
Assert.IsFalse(blist.Contains(true));
blist.Add(true);
Assert.IsTrue(blist.Contains(false));
Assert.IsTrue(blist.Contains(true));
Assert.AreEqual(129, blist.Count);
blist.Remove(true);
Assert.AreEqual(128, blist.Count);
Assert.IsTrue(blist.Contains(false));
Assert.IsFalse(blist.Contains(true));
blist.Clear();
Assert.AreEqual(0, blist.Count);
for (int i = 0; i < 128; i++)
{
blist.Add(true);
}
Assert.IsFalse(blist.Contains(false));
Assert.IsTrue(blist.Contains(true));
blist.Add(false);
Assert.IsTrue(blist.Contains(false));
Assert.IsTrue(blist.Contains(true));
Assert.AreEqual(129, blist.Count);
blist.Remove(false);
Assert.AreEqual(128, blist.Count);
Assert.IsFalse(blist.Contains(false));
Assert.IsTrue(blist.Contains(true));
}
private static void TerminatorPadding(this BitList mainList, int numBits)
{
mainList.Add(QRCodeConstantVariable.TerminatorNPaddingBit, numBits);
}
public INPUT_LOW()
: base()
{
BitList.Add(0);
}
public INPUT_HIGH() : base()
{
BitList.Add(1);
}
public override void Send()
{
base.Send();
BitList.Add(1);
}
/// <summary>
/// Convert an image in 2BPP planar (Gameboy) into binary data.
/// </summary>
/// <param name="image">Image source to convert.</param>
/// <param name="parameters">Parameters for the image.</param>
/// <returns>Returns image converted in binary data.</returns>
public MemoryStream ConvertBack(SKBitmap image, IImagePattern parameters)
{
if (image == null || parameters == null)
{
return(null);
}
var stream = new MemoryStream();
int tileHeight = parameters.TilePattern.Height;
int tileWidth = parameters.TilePattern.Width;
int numberOfRowsOfTiles = parameters.Height / tileHeight;
int numberOfColsOfTiles = parameters.Width / tileWidth;
var pixels = image.Pixels;
int numberOfTiles = numberOfRowsOfTiles * numberOfColsOfTiles;
int numberTotalOfBit = numberOfTiles * parameters.TilePattern.Size * 8;
var imageBits = new BitList();
for (var row = 0; row < numberOfRowsOfTiles; row++)
{
for (var column = 0; column < numberOfColsOfTiles; column++)
{
var tile = new BitList();
for (var height = 0; height < tileHeight; height++)
{
for (var width = 0; width < tileWidth; width++)
{
var color = pixels[(height * parameters.Width) + width + (column * tileWidth) + (row * tileHeight * parameters.Width)];
int bit;
if (parameters.Palette.Count > 0)
{
bit = parameters.Palette.IndexOf(color);
}
else
{
bit = this.defaultPalette.IndexOf(color);
}
var bitString = System.Convert.ToString(bit, 2).PadLeft(2, '0');
var bits = bitString.SplitByLength(1);
foreach (var b in bits)
{
tile.Add(b == "1" ? true : false);
}
}
}
if (tile.Count != parameters.TilePattern.Size * 8)
{
throw new JHacksonException(LocalizationManager.GetMessage("image.tile.incorrectNumberOfBits", row, column, imageBits.Count, numberTotalOfBit));
}
imageBits.AddBitList(tile.RearrangeBitsWith2PlanesBack(parameters.TilePattern));
}
}
if (imageBits.Count != numberTotalOfBit)
{
throw new JHacksonException(LocalizationManager.GetMessage("image.incorrectBitsImageSize", imageBits.Count, numberTotalOfBit));
}
var bytes = imageBits.ToBytes();
stream.Write(bytes, 0, bytes.Length);
return(stream);
}
/// <summary>
/// Generate error correction blocks. Then out put with codewords BitList
/// ISO/IEC 18004/2006 P45, 46. Chapter 6.6 Constructing final message codewords sequence.
/// </summary>
/// <param name="dataCodewords">Datacodewords from DataEncodation.DataEncode</param>
/// <param name="vd">The vd.</param>
/// <returns>codewords BitList contain datacodewords and ECCodewords</returns>
/// <remarks></remarks>
internal static BitList FillECCodewords(BitList dataCodewords, VersionDetail vd)
{
List<byte> dataCodewordsByte = dataCodewords.List;
int ecBlockGroup2 = vd.ECBlockGroup2;
int ecBlockGroup1 = vd.ECBlockGroup1;
int numDataBytesGroup1 = vd.NumDataBytesGroup1;
int numDataBytesGroup2 = vd.NumDataBytesGroup2;
int ecBytesPerBlock = vd.NumECBytesPerBlock;
int dataBytesOffset = 0;
var dByteJArray = new byte[vd.NumECBlocks][];
var ecByteJArray = new byte[vd.NumECBlocks][];
GaloisField256 gf256 = GaloisField256.QRCodeGaloisField;
var generator = new GeneratorPolynomial(gf256);
for (int blockID = 0; blockID < vd.NumECBlocks; blockID++)
{
if (blockID < ecBlockGroup1)
{
dByteJArray[blockID] = new byte[numDataBytesGroup1];
for (int index = 0; index < numDataBytesGroup1; index++)
{
dByteJArray[blockID][index] = dataCodewordsByte[dataBytesOffset + index];
}
dataBytesOffset += numDataBytesGroup1;
}
else
{
dByteJArray[blockID] = new byte[numDataBytesGroup2];
for (int index = 0; index < numDataBytesGroup2; index++)
{
dByteJArray[blockID][index] = dataCodewordsByte[dataBytesOffset + index];
}
dataBytesOffset += numDataBytesGroup2;
}
ecByteJArray[blockID] = ReedSolomonEncoder.Encode(dByteJArray[blockID], ecBytesPerBlock, generator);
}
if (vd.NumDataBytes != dataBytesOffset)
throw new ArgumentException("Data bytes does not match offset");
var codewords = new BitList();
int maxDataLength = ecBlockGroup1 == vd.NumECBlocks ? numDataBytesGroup1 : numDataBytesGroup2;
for (int dataID = 0; dataID < maxDataLength; dataID++)
{
for (int blockID = 0; blockID < vd.NumECBlocks; blockID++)
{
if (!(dataID == numDataBytesGroup1 && blockID < ecBlockGroup1))
codewords.Add(dByteJArray[blockID][dataID], 8);
}
}
for (int ECID = 0; ECID < ecBytesPerBlock; ECID++)
{
for (int blockID = 0; blockID < vd.NumECBlocks; blockID++)
{
codewords.Add(ecByteJArray[blockID][ECID], 8);
}
}
if (vd.NumTotalBytes != codewords.Count >> 3)
throw new ArgumentException(string.Format("total bytes: {0}, actual bits: {1}", vd.NumTotalBytes,
codewords.Count));
return codewords;
}
public void Insert_0_count_is_1()
{
BitList target = new BitList();
target.Add(true);
Assert.AreEqual(1, target.Count);
}
public override void Add(bool item)
{
lock (_syncRoot)
_list.Add(item);
}
