private void FilterApplyButton_Click(object sender, EventArgs e)
{
Bitmap B;
if (sourceBitmap == null)
{
return;
}
B = new Bitmap(sourceBitmap);
ImageFilter imageFilter = new ImageFilter(B);
if (meanRadio.Checked)
{
int maskWidth = int.Parse(MeanSizeXBox.Text);
int maskHeight = int.Parse(MeanSizeYBox.Text);
int maskOrgX = int.Parse(MeanOrgXBox.Text);
int maskOrgY = int.Parse(MeanOrgYBox.Text);
imageFilter.meanFilter(maskHeight, maskWidth, maskOrgX, maskOrgY);
}
else if (gaussian1Radio.Checked)
{
int maskSize = int.Parse(Gaussian1MaskBox.Text);
double sigma = double.Parse(Gaussian1SigmaBox.Text);
imageFilter.gaussianFilter(maskSize, sigma);
}
else if (gaussian2Radio.Checked)
{
double sigma = double.Parse(Gaussian2SigmaBox.Text);
imageFilter.gaussianFilter(sigma);
}
else if (laplaceRadio.Checked)
{
imageFilter.laplaceSharpen();
}
else if (highBoostRadio.Checked)
{
int maskSize = int.Parse(HighBoostMaskBox.Text);
double sigma = double.Parse(HighBoostSigmaBox.Text);
double k = double.Parse(HighBoostKBox.Text);
imageFilter.highBoost(maskSize, sigma, k);
}
else if (kirshRadio.Checked)
{
KirshEdgeDir dir = (KirshEdgeDir)KirshComboBox.SelectedIndex;
imageFilter.kirshEdgeDetection(dir);
}
else
{
return;
}
sourceBitmap = imageFilter.getImage(); // ensures cummulative ops
AfterBox.Image = sourceBitmap;
}
public void kirshEdgeDetection(KirshEdgeDir dir)
{
int maskSize = 3;
double[,] filter = new double[maskSize, maskSize];
for (int i = 0; i < maskSize; i++)
{
for (int j = 0; j < maskSize; j++)
{
filter[i, j] = -3;
}
}
if (dir == KirshEdgeDir.Horizontal)
{
filter[0, 0] = filter[0, 1] = filter[0, 2] = 5;
filter[1, 1] = 0;
linearFilter(filter, maskSize / 2, maskSize / 2, PostProcessingType.Normalize);
}
else if (dir == KirshEdgeDir.Vertical)
{
filter[0, 0] = filter[1, 0] = filter[2, 0] = 5;
filter[1, 1] = 0;
linearFilter(filter, maskSize / 2, maskSize / 2, PostProcessingType.Normalize);
}
else if (dir == KirshEdgeDir.DiagonalNorthWest)
{
filter[0, 1] = filter[0, 2] = filter[1, 2] = 5;
filter[1, 1] = 0;
linearFilter(filter, maskSize / 2, maskSize / 2, PostProcessingType.Normalize);
}
else if (dir == KirshEdgeDir.DiagonalNorthEast)
{
filter[0, 0] = filter[0, 1] = filter[1, 0] = 5;
filter[1, 1] = 0;
linearFilter(filter, maskSize / 2, maskSize / 2, PostProcessingType.Normalize);
}
}
