private void btnHistogramModify_Click(object sender, EventArgs e)
{
var minimalBrightness = int.Parse(minimalBrightnessHistogram.Text);
var maximalBrightness = int.Parse(maximalBrightnessHistogram.Text);
pbResultImage.Image =
ProcessingMethods.ModifyWithHistogram(pbImage.Image, _histograms, minimalBrightness, maximalBrightness);
}
private void btnApplyMedianFilter_Click(object sender, EventArgs e)
{
if (pbImage.Image != null)
{
Image result = ProcessingMethods.ApplyMedianFilter(pbImage.Image, mask);
pbResultImage.Image = result;
}
}
private void btnApplyNegative_Click(object sender, EventArgs e)
{
if (pbImage.Image != null)
{
Image result = ProcessingMethods.ChangeAsNegative(pbImage.Image);
pbResultImage.Image = result;
}
}
private void btnDecreaseBrigthness_Click(object sender, EventArgs e)
{
if (pbImage.Image != null)
{
Image result =
ProcessingMethods.ChangeBrightness(pbImage.Image, Convert.ToInt32(brightnessValue.Value), false);
pbResultImage.Image = result;
}
}
private void btnApplyContrast_Click(object sender, EventArgs e)
{
if (pbImage.Image != null)
{
byte[] LUT = new byte[256];
chartLUT.Series[0].Points.Clear();
//tworzenie LUT - Look Up Table
double a;
if (trackBarContrast.Value <= 0)
{
a = 1.0 + (trackBarContrast.Value / 256.0);
}
else
{
a = 256.0 / Math.Pow(2, Math.Log(257 - trackBarContrast.Value, 2));
}
for (int i = 0; i < 256; i++)
{
if ((a * (i - 127) + 127) > 255)
{
LUT[i] = 255;
}
else if ((a * (i - 127) + 127) < 0)
{
LUT[i] = 0;
}
else
{
LUT[i] = (byte)(a * (i - 127) + 127);
}
chartLUT.Series[0].Points.Add(new DataPoint(i, LUT[i]));
}
Image result = ProcessingMethods.ChangeContrast(pbImage.Image, LUT);
pbResultImage.Image = result;
}
}
private void button2_Click(object sender, EventArgs e)
{
string maskLocal = "";
string[] lines = new string[1];
LoadLinearMask(ref maskLocal, ref lines);
lines = tbMaskView.Text.Split('\n');
List <string> maskValues = new List <string>();
foreach (string line in lines)
{
if (line != "" && line != "\r")
{
string tmp = line.Replace("\r", "");
maskValues.Add(tmp.Replace("\t", ""));
}
}
maskLinearFilter = new int[maskValues.Count, maskValues.Count];
for (int i = 0; i < maskValues.Count; i++)
{
int index = 0;
for (int j = 0; j < maskValues.Count; j++)
{
maskLinearFilter[i, j] = GetNextValue(ref index, maskValues[i]);
index++;
}
}
if (pbImage.Image != null)
{
Image result = ProcessingMethods.ApplyMask(pbImage.Image, maskLinearFilter);
pbResultImage.Image = result;
}
}
private void btnOperator_Click(object sender, EventArgs e)
{
pbResultImage.Image = ProcessingMethods.ApplyRosenfeld(pbImage.Image, int.Parse(valueRosenfeld.Text));
}
