public void SixBitsMatrix()
{
string sixbits = @".....................X..................
.....................X..................
....................X.X.................
.....................X..................
.....................X..................
.....................X..................
.....................X..................
....................X.X.................
.....................X..................
.....................X..................
........................................
........................................
........................................
........................................
..X..X....X..X..........................
XXX..XXXXXX..XXX........................
..X..X....X..X..........................
......................XX................
.....................XX.................
.......................X................
................................X....X..
..............................XX.XXXX.XX
................................X....X..
";
var rle = new Rle();
rle.Load("Patterns/6bits.rle");
Assert.Equal(sixbits, rle.ConwayMatrix.GetFinalResult().LimitedMatrix.ToString());
}
public void RleEncodeDecodeLongSequence()
{
byte[] bytes = new byte[] {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
255, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
};
byte[] encoded = Rle.Encode(bytes);
byte[] decoded = Rle.Decode(encoded);
Assert.Less(encoded.Length, bytes.Length);
Assert.AreEqual(bytes, decoded);
}
public void GliderMatrix()
{
var rle = new Rle();
rle.Load(@"Patterns/glider.rle");
Assert.Equal(glider, rle.ConwayMatrix.GetFinalResult().LimitedMatrix.ToString());
}
public override string Encode(string str)
{
var shifts = new List <string>(Bw.GetShiftsOf(str));
shifts.Sort();
var position = Bw.GetIndexOf(str, shifts);
return(Rle.Transform(shifts, position).ToString());
}
public CompressedImage Compress(Bitmap bmp)
{
if (bmp.PixelFormat != PixelFormat.Format24bppRgb)
{
throw new Exception($"{bmp.PixelFormat} pixel format is not supported, supported rgb24");
}
var pixelsMatrix = _pixelsExtractor.Extract(bmp);
var converterPixelsMatrix = MatrixRgbToYCbCrConveter.Convert(pixelsMatrix);
var residueYPiece = bmp.Height % (_thinIndex * _dctSize);
var residueXPiece = bmp.Width % (_thinIndex * _dctSize);
var countAddYPiece = residueYPiece == 0 ? 0 : _thinIndex * _dctSize - residueYPiece;
var countAddXPiece = residueXPiece == 0 ? 0 : _thinIndex * _dctSize - residueXPiece;
var extendedPixelsMatrix = _matrixExtender.Extend(converterPixelsMatrix, countAddYPiece, countAddXPiece);
var yCbCrchannels = _channelExtractor.Extract(extendedPixelsMatrix);
var thinnedCbChannel = _matrixThinner.Thin(yCbCrchannels.CbChannel, _thinIndex);
var thinnedCrChannel = _matrixThinner.Thin(yCbCrchannels.CrChannel, _thinIndex);
var dctYPieces = _dctCompressor.Compress(yCbCrchannels.YChannel, _dctSize, _compressionLevel, _lumiaMatrixProvider.GetMatrix());
var dctCbPieces = _dctCompressor.Compress(thinnedCbChannel, _dctSize, _compressionLevel, _colorMatrixProvider.GetMatrix());
var dctCrPieces = _dctCompressor.Compress(thinnedCrChannel, _dctSize, _compressionLevel, _colorMatrixProvider.GetMatrix());
var result = new List <byte>();
var countYBlocksPerColorBlock = _thinIndex * _thinIndex;
for (int i = 0, thinI = 0; i < dctYPieces.Length; thinI++)
{
for (var j = 0; j < countYBlocksPerColorBlock; j++)
{
result.AddRange(dctYPieces[i++]);
}
result.AddRange(dctCbPieces[thinI]);
result.AddRange(dctCrPieces[thinI]);
}
var rle = Rle <byte> .Encode(result).ToArray();
Dictionary <BitsWithLength, byte> decodeTable;
long bitsCount;
var huf = HuffmanCodec.Encode(rle, out decodeTable, out bitsCount);
var compressedImage = new CompressedImage
{
ThinIndex = _thinIndex,
CompressionLevel = _compressionLevel,
DataBytes = huf,
Height = extendedPixelsMatrix.GetLength(0),
Width = extendedPixelsMatrix.GetLength(1),
DecodeTable = decodeTable,
BitsCount = bitsCount
};
return(compressedImage);
}
public void RleEncodeDecode()
{
byte[] bytes = new byte[] {
0, 0, 0, 0, 0, 0, 4, 2, 0, 4, 4, 4, 4, 4, 4, 4,
80, 80, 80, 80, 0, 2, 2, 2, 2, 255, 255, 255, 255, 255, 0, 0
};
byte[] encoded = Rle.Encode(bytes);
byte[] decoded = Rle.Decode(encoded);
Assert.Less(encoded.Length, bytes.Length);
Assert.AreEqual(bytes, decoded);
}
public Bitmap Decompress(CompressedImage compressedImage)
{
var unHuf = HuffmanCodec.Decode(compressedImage.DataBytes, compressedImage.DecodeTable, compressedImage.BitsCount);
var unRle = Rle <byte> .Decode(unHuf).ToArray();
var yDct = new List <double>();
var cbDct = new List <double>();
var crDct = new List <double>();
var countYBlocks = compressedImage.ThinIndex * compressedImage.ThinIndex;
var cellsToBlock = compressedImage.CompressionLevel;
for (var i = 0; i < unRle.Length;)
{
for (var j = 0; j < countYBlocks * cellsToBlock; j++)
{
yDct.Add(unRle[i++]);
}
for (var j = 0; j < cellsToBlock; j++)
{
cbDct.Add(unRle[i++]);
}
for (var j = 0; j < cellsToBlock; j++)
{
crDct.Add(unRle[i++]);
}
}
var yDctBlocks = DevideIntoPiece(yDct, compressedImage.CompressionLevel);
var cbDctBlocks = DevideIntoPiece(cbDct, compressedImage.CompressionLevel);
var crDctBlocks = DevideIntoPiece(crDct, compressedImage.CompressionLevel);
var yChannel = _dctDecompressor.Decompress(yDctBlocks, _dctSize, compressedImage.Height, compressedImage.Width, _lumiaMatrixProvider.GetMatrix());
var thinnedCbChannel = _dctDecompressor.Decompress(cbDctBlocks, _dctSize, compressedImage.Height / compressedImage.ThinIndex, compressedImage.Width / compressedImage.ThinIndex, _colorMatrixProvider.GetMatrix());
var thinnedCrChannel = _dctDecompressor.Decompress(crDctBlocks, _dctSize, compressedImage.Height / compressedImage.ThinIndex, compressedImage.Width / compressedImage.ThinIndex, _colorMatrixProvider.GetMatrix());
var cbChannel = _pieceMatrixExtender.Extend(thinnedCbChannel, compressedImage.ThinIndex);
var crChannel = _pieceMatrixExtender.Extend(thinnedCrChannel, compressedImage.ThinIndex);
var yCbCrChannels = new YCbCrChannels(yChannel, cbChannel, crChannel);
var yCbCrPixels = _iChannelsPacker.Pack(yCbCrChannels, compressedImage.Height, compressedImage.Width);
var matrixRgbPixels = MatrixYCbCrToRgbConverter.Convert(yCbCrPixels);
var bmp = _bitmapBuilder.Build(matrixRgbPixels);
return(bmp);
}
public void ConwayMatrixToBoolMatrix()
{
string test = @"0000000000000000000000001000000000000000000000000000000000000000
0000000000000000000000101000000000000000000000000000000000000000
0000000000001100000011000000000000110000000000000000000000000000
0000000000010001000011000000000000110000000000000000000000000000
1100000000100000100011000000000000000000000000000000000000000000
1100000000100010110000101000000000000000000000000000000000000000
0000000000100000100000001000000000000000000000000000000000000000
0000000000010001000000000000000000000000000000000000000000000000
0000000000001100000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
0000000000000000000000000000000000000000000000000000000000000000
";
var rle = new Rle();
rle.Load(@"Patterns/glider.rle");
var matrix = rle.GetMatrix();
var cuadrante = Cuadrante.crear(matrix);
Assert.Equal(test, cuadrante.ToString());
}
public void ReadHeader()
{
var rle = new Rle();
rle.Load(@"Patterns/glider.rle");
}
public void testRle()
{
Compare(Rle.code(new List <uint> {
}), new List <Rle> {
});
Compare(Rle.code(new List <uint> {
4711
}), new List <Rle> {
new Rle(
4711,
0,
1,
true)
});
Compare(Rle.code(new List <uint> {
4711, 4711
}), new List <Rle> {
new Rle(
4711,
0,
2,
true
)
});
Compare(Rle.code(new List <uint> {
4711, 4711, 4811
}), new List <Rle> {
new Rle(
4711,
0,
2,
true
),
new Rle(
4811,
1,
1,
true
)
});
Compare(Rle.code(new List <uint> {
4711, 4711, 4811, 4711, 4711
}), new List <Rle> {
new Rle(
4711,
0,
2,
true
),
new Rle(
4811,
1,
1,
true
),
new Rle(
4711,
2,
2,
true
)
});
Compare(Rle.code(new List <uint> {
4711, 4711, 4711, 4811, 4711, 4711
}), new List <Rle> {
new Rle(
4711,
0,
3,
true
),
new Rle(
4811,
1,
1,
true
),
new Rle(
4711,
2,
2,
false
)
}
);
Compare(Rle.code(new List <uint> {
4711, 4711, 4711, 4811, 4711, 4711, 4911, 4911, 4911
}), new List <Rle> {
new Rle(
4711,
0,
3,
true
),
new Rle(
4811,
1,
1,
true
),
new Rle(
4711,
2,
2,
false
),
new Rle(
4911,
3,
3,
true
)
});
Compare(Rle.code(new List <uint> {
0x2001, 0x888, 0, 0x6630, 0, 0, 0, 0
}), new List <Rle> {
new Rle(0x2001, 0, 1, true),
new Rle(0x888, 1, 1, true),
new Rle(0, 2, 1, false),
new Rle(0x6630, 3, 1, true),
new Rle(0, 4, 4, true)
});
}
public static void TestWhole()
{
// down sample
List <List <double> > data = new List <List <double> >();
for (int i = 0; i < bigtestdata.GetLength(0); i++)
{
if (i % 2 != 0)
{
continue;
}
List <double> row = new List <double>();
for (int j = 0; j < bigtestdata.GetLength(1); j++)
{
if (j % 2 != 0)
{
continue;
}
row.Add(bigtestdata[i, j]);
}
data.Add(row);
}
double[,] narr = new double[8, 8];
for (int i = 0; i < data.Count; i++)
{
for (int j = 0; j < data[i].Count; j++)
{
narr[i, j] = data[i][j];
}
}
print("Down Sampled");
narr.PrintArray();
Dct dct = new Dct();
var dctdata = dct.Go(narr);
print("dct go");
dctdata.PrintArray();
Quantizer.QuantizeLuminance(ref dctdata);
print("quantized");
dctdata.PrintArray();
var zagged = ZigZag.Run(dctdata);
var bzagged = zagged.Select(x => (sbyte)x).ToArray();
List <sbyte[]> zaglist = new List <sbyte[]>()
{
bzagged
};
sbyte[] rled = Rle.BetterEncode(zaglist);
// reversing
var unrle = Rle.DecodeRle(rled);
var unzag = ZigZag.Inverse(unrle[0].Select(x => (int)x).ToArray());
Quantizer.InverseQuantizeLuminance(ref unzag);
var idct = dct.GoBack(unzag);
idct.PrintArray();
}
