//-----------------------------------------------------------------------------------------------------------------------
// Form Designer Methods -- ENCODER
//-----------------------------------------------------------------------------------------------------------------------
private void btnLoadBMP_Click(object sender, EventArgs e)
{
OpenFileDialog ofd = new OpenFileDialog();
ofd.Filter = "Bitmap|*.bmp";
if (ofd.ShowDialog() == DialogResult.OK)
{
inputFilePathEncoder = ofd.FileName;
bmpObject = Helpers.ReadBmpFormat(inputFilePathEncoder);
pictureBoxOriginalImage.Image = bmpObject.GetBmpImage();
// orig img/ header/ bmp -> global
auxOriginalImage = bmpObject.GetBmpData();
Helpers.DrawHistogram(pictureBoxHistogram, Helpers.CreateHistogram(bmpObject.GetBmpData()), (float)numericUpDownHistogramScale.Value);
}
}
private void btnEncodeOriginalImage_Click(object sender, EventArgs e)
{
try
{
if (String.IsNullOrEmpty(inputFilePathEncoder))
{
throw new NullReferenceException();
}
userKMaxReconstructionError = (int)numericUpDownKValue.Value;
switch (comboBoxPredictorSelection.SelectedIndex)
{
case 1: userPredictorSelection = 1; break;
case 2: userPredictorSelection = 2; break;
case 3: userPredictorSelection = 3; break;
case 4: userPredictorSelection = 4; break;
case 5: userPredictorSelection = 5; break;
case 6: userPredictorSelection = 6; break;
case 7: userPredictorSelection = 7; break;
case 8: userPredictorSelection = 8; break;
default: userPredictorSelection = 0; break;
}
nlEngine = new NearLosslessEngine(bmpObject.GetBmpData());
nlEngine.CompressImage(userPredictorSelection, userKMaxReconstructionError);
MessageBox.Show("Image was encoded succesfully!");
isFileEncoded = true;
}
catch (NullReferenceException)
{
MessageBox.Show("Warning: You forgot to load Original Image!");
}
}