private void StartHoughCircles()
{
SwitchEnableElements(false);
int r = trackBar2.Value;
int tr = trackBar1.Value;
pictureBox1.Image = Hough.TransformCircle(inputBitmap, r);
pictureBox2.Image = new Bitmap(original);
//Bitmap img = new Bitmap(original);
Graphics g = Graphics.FromImage(pictureBox2.Image);
Pen pen = new Pen(Color.Black, 3);
Point Size = new Point(inputBitmap.Width, inputBitmap.Height);
while (true)
{
Point pt = Hough.SearchCircle(Size, tr);
if (pt.X == -1)
{
break;
}
g.DrawEllipse(pen, pt.X - r, pt.Y - r, r + r, r + r);
}
pictureBox2.Refresh();
SwitchEnableElements(true);
}
private void StartHoughLines()
{
SwitchEnableElements(false);
trackBar2.Visible = false;
int tr = trackBar1.Value;
pictureBox1.Image = Hough.TransformLine(inputBitmap);
pictureBox2.Image = new Bitmap(original);
Bitmap img = new Bitmap(original);
Graphics g = Graphics.FromImage(pictureBox2.Image);
Pen pen = new Pen(Color.Red, 3);
int dp = (int)Math.Round(Math.Sqrt(Math.Pow(inputBitmap.Width, 2) + Math.Pow(inputBitmap.Height, 2)));
Point Size = new Point(180, dp);
while (true)
{
Point pt = Hough.SearchLine(Size, tr);
if (pt.X == -1)
{
break;
}
if (pt.X > 0)
{
int y1 = (int)((-Math.Cos(pt.X * (Math.PI / 180)) / Math.Sin(pt.X * (Math.PI / 180))) * 0 + (double)pt.Y / Math.Sin(pt.X * (Math.PI / 180)));
int y2 = (int)((-Math.Cos(pt.X * (Math.PI / 180)) / Math.Sin(pt.X * (Math.PI / 180))) * img.Width + (double)pt.Y / Math.Sin(pt.X * (Math.PI / 180)));
g.DrawLine(pen, 0, y1, img.Width, y2);
}
}
pictureBox2.Refresh();
pictureBox1.SizeMode = PictureBoxSizeMode.StretchImage;
SwitchEnableElements(true);
}