private void button_Click(object sender, EventArgs e)
{
Stream stream = null;
OpenFileDialog openFileDialog = new OpenFileDialog();
openFileDialog.InitialDirectory = "c:\\";
openFileDialog.Filter = "txt files (*.txt)|*.txt|All files (*.*)|*.*";
openFileDialog.FilterIndex = 2;
openFileDialog.RestoreDirectory = true;
if (openFileDialog.ShowDialog() == DialogResult.OK)
{
try
{
if ((stream = openFileDialog.OpenFile()) != null)
{
using (stream)
{
string pathName = openFileDialog.FileName;
Bitmap image = new Bitmap(pathName);
pictureBox1.Image = image.Resize(pictureBox1.Width, pictureBox1.Height);
Mask mask = new Mask(new int[,] { { 1, 1, 1 }, { 1, -8, 1 }, { 1, 1, 1 } });
image = LaplacianSharper.SharpImage(image, mask);
pictureBox2.Image = image.Resize(pictureBox2.Width, pictureBox2.Height);
}
}
}
catch (Exception ex)
{
MessageBox.Show("Error: Could not read file from disk. Original error: " + ex.Message);
}
}
}
public static Bitmap SharpImage(Bitmap bitmap, Mask mask)
{
GetIntensities(bitmap);
SubstractImage(ImposeMask(mask));
ModifyImage();
return CreateBitmap();
}
private static int[,] ImposeMask(Mask mask)
{
int[,] imageWithMask = new int[width, height];
for (int x = 1; x < width - 1; x++)
{
for (int y = 1; y < height - 1; y++)
{
imageWithMask[x, y] = pixelArray[x - 1, y - 1] * mask.GetCell(0, 0) +
pixelArray[x, y - 1] * mask.GetCell(1, 0) +
pixelArray[x + 1, y - 1] * mask.GetCell(2, 0) +
pixelArray[x - 1, y] * mask.GetCell(0, 1) +
pixelArray[x, y] * mask.GetCell(1, 1) +
pixelArray[x + 1, y] * mask.GetCell(2, 1) +
pixelArray[x - 1, y + 1] * mask.GetCell(0, 2) +
pixelArray[x, y + 1] * mask.GetCell(1, 2) +
pixelArray[x + 1, y + 1] * mask.GetCell(2, 2);
}
}
return imageWithMask;
}
