private void EncodeBttn_Click(object sender, EventArgs e)
{
_imgPred = new ImagePredictor(k: int.Parse(textBoxKVal.Text));
_imgPred.Encode(_originalImg, methodNumber: methodComboBox.SelectedIndex);
_errorPredSaved = _imgPred._errorPred;
_mainError = _imgPred._error;
_quantizedError = _imgPred._errorPredQ;
}
private void DecodeBttn_Click(object sender, EventArgs e)
{
bread = new BitReader(filePath.FullName);
bmpHeader = readBMPHeader();
int fileMethod = (int)bread.ReadNBits(4);
var errorList = readErrorMatrix();
bread.Dispose();
int[,] errorMatrix = new int[imgLength, imgLength];
int k = 0;
for (int i = 0; i < imgLength; i++)
{
for (int j = 0; j < imgLength; j++)
{
errorMatrix[i, j] = (int)errorList[k];
k++;
}
}
imgPred = new ImagePredictor();
imgPred.Decode(errorMatrix, methodName: fileMethod);
decodedImg = imgPred.origDecodedMatrix;
DecodedPBox.Image = new Bitmap(imgLength, imgLength);
for (int i = 0; i < imgLength; i++)
{
for (int j = 0; j < imgLength; j++)
{
int color = decodedImg[i, j];
((Bitmap)DecodedPBox.Image).SetPixel(i, j, Color.FromArgb(color, color, color));
}
}
//DecodedPBox.Image.Save(filePath.DirectoryName + "\\decodedImage.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
}
private void EncodeBttn_Click(object sender, EventArgs e)
{
imgPred = new ImagePredictor();
imgPred.Encode(originalImg, methodNumber: methodComboBox.SelectedIndex);
}
private void DecodeBttn_Click(object sender, EventArgs e)
{
_bitReader = new BitReader(_filePath.FullName);
_bmpHeader = readBMPHeader();
int fileMethod = (int)_bitReader.ReadNBits(4);
int k = (int)_bitReader.ReadNBits(4);
int saveMode = (int)_bitReader.ReadNBits(2);
List <int> errorList = new List <int>();
switch (saveMode)
{
case 0:
errorList = new List <int>(readFixedCompressedFile());
break;
case 1:
errorList = new List <int>(readJpegTableCompressedFile());
break;
case 2:
errorList = new List <int>(readArithmeticCompressedFile());
break;
}
_bitReader.Dispose();
if (!errorList.Any())
{
throw new Exception("Something didn't work correctly at decoding!");
}
int[,] errorPredQ = new int[_imgLength, _imgLength];
// from List to matrix conversion
int index = 0;
for (int i = 0; i < _imgLength; i++)
{
for (int j = 0; j < _imgLength; j++)
{
errorPredQ[i, j] = errorList[index];
index++;
}
}
_imgPred = new ImagePredictor(k: k);
_imgPred.Decode(errorPredQ, methodNumber: fileMethod);
_decodedImg = _imgPred._decod;
DecodedPBox.Image = new Bitmap(_imgLength, _imgLength);
for (int i = 0; i < _imgLength; i++)
{
for (int j = 0; j < _imgLength; j++)
{
int color = _decodedImg[i, j];
((Bitmap)DecodedPBox.Image).SetPixel(i, j, Color.FromArgb(color, color, color));
}
}
//DecodedPBox.Image.Save(filePath.DirectoryName + "\\decodedImage.bmp", System.Drawing.Imaging.ImageFormat.Bmp);
}
