private void openToolStripMenuItem_Click(object sender, EventArgs e)
{
openFileDialog1.Title = "Select a picture";
openFileDialog1.Filter = "All supported graphics|*.jpg;*.jpeg;*.png;*.jfif;*.bmp|" +
"JPEG (*.jpg;*.jpeg)|*.jpg;*.jpeg;|" +
"Portable Network Graphic (*.png)|*.png";
if (openFileDialog1.ShowDialog() == DialogResult.OK)
{
Cursor = Cursors.WaitCursor;
foreach (string filename in openFileDialog1.FileNames)
{
_image = new Image <Bgr, byte>(filename);
ImageForm form = new ImageForm(_image);
form.TopLevel = false;
this.panel1.Controls.Add(form);
form.Show();
}
Cursor = Cursors.Default;
}
}
public StrechingForm()
{
InitializeComponent();
form = new ImageForm();
form.Show();
}
public TresholdForm()
{
InitializeComponent();
form = new ImageForm();
form.Show();
}
public PosterizationForm()
{
InitializeComponent();
form = new ImageForm();
form.Show();
}
public ThresholdGrayLevelForm()
{
InitializeComponent();
form = new ImageForm();
form.Show();
}
private unsafe void prewittToolStripMenuItem1_Click(object sender, EventArgs e)
{
int m1w1 = 1;
int m1w2 = 1;
int m1w3 = 1;
int m1w4 = 1;
int m1w5 = -2;
int m1w6 = 1;
int m1w7 = -1;
int m1w8 = -1;
int m1w9 = -1;
//-----maska2 Prewitt S
int m2w1 = -1;
int m2w2 = -1;
int m2w3 = -1;
int m2w4 = 1;
int m2w5 = -2;
int m2w6 = 1;
int m2w7 = 1;
int m2w8 = 1;
int m2w9 = 1;
Bitmap bitmap = new Image <Gray, byte>(GetImage()).Bitmap;
FastBitmap bmp = new FastBitmap(bitmap);
FastBitmap wynik = bmp;
int x, y;
float oldmin, oldmax, oldrange, scale;
float newmin, newmax, newrange;
float[,] pomtab = new float[bmp.Width, bmp.Height];
float pom;
for (x = 0; x < wynik.Width; x++)
{
for (y = 0; y < wynik.Height; y++)
{
pom = ((bmp[x - 1, y - 1].R * m1w1 + bmp[x, y - 1].R * m1w2 + bmp[x + 1, y - 1].R * m1w3
+ bmp[x - 1, y].R * m1w4 + bmp[x, y].R * m1w5 + bmp[x + 1, y].R * m1w6
+ bmp[x - 1, y + 1].R * m1w7 + bmp[x, y + 1].R * m1w8 + bmp[x + 1, y + 1].R * m1w9) ^ 2
+ (bmp[x - 1, y - 1].R * m2w1 + bmp[x, y - 1].R * m2w2 + bmp[x + 1, y - 1].R * m2w3
+ bmp[x - 1, y].R * m2w4 + bmp[x, y].R * m2w5 + bmp[x + 1, y].R * m2w6
+ bmp[x - 1, y + 1].R * m2w7 + bmp[x, y + 1].R * m2w8 + bmp[x + 1, y + 1].R * m2w9) ^ 2) ^ (1 / 2);
pomtab[x, y] = pom;
}
}
//SKALOWANIE
//1
oldmin = pomtab[0, 0];
oldmax = pomtab[0, 0];
for (x = 0; x < wynik.Width; x++)
{
for (y = 0; y < wynik.Height; y++)
{
if (pomtab[x, y] < oldmin)
{
oldmin = pomtab[x, y];
}
if (pomtab[x, y] > oldmax)
{
oldmax = pomtab[x, y];
}
}
}
oldrange = oldmax - oldmin;
newmin = 0;
newmax = 255;
newrange = newmax - newmin;
for (x = 0; x < wynik.Width; x++)
{
for (y = 0; y < wynik.Height; y++)
{
scale = (pomtab[x, y] - oldmin) / oldrange;
wynik[x, y] = Color.FromArgb((int)((newrange * scale) + newmin), (int)((newrange * scale) + newmin), (int)((newrange * scale) + newmin));
}
}
ImageForm from = new ImageForm(new Image <Bgr, byte>(wynik.Unlock()));
from.Show();
}
