protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
Graphics gr = e.Graphics;
gr.FillRectangle(Brushes.White, this.ClientRectangle);
Rectangle rec = this.ClientRectangle;
int width = rec.Width;
int height = rec.Height;
x0 = 20;
xM = width - 20;
y0 = height - 20;
yM = 20;
float dx = (float)((xM - x0) / brojKolona);
float dy = (float)((y0 - yM) / brojVrsta);
for (int j = 0; j < brojKolona + 1; j++)
{
Color c = Color.FromArgb(40, Color.Gray);
float xx = x0 + dx * j;
gr.DrawLine(new Pen(c), xx, y0, xx, yM);
Font f = new Font(FontFamily.GenericSerif, 8);
SizeF sf = gr.MeasureString("" + j, f);
gr.DrawString("" + j, f, Brushes.Gray, xx - sf.Width / 2, y0 + 2);
}
for (int i = 0; i < brojVrsta + 1; i++)
{
Color c = Color.FromArgb(40, Color.Gray);
float yy = y0 - dy * i;
gr.DrawLine(new Pen(c), x0, yy, xM, yy);
Font f = new Font(FontFamily.GenericSerif, 8);
SizeF sf = gr.MeasureString("" + i, f);
gr.DrawString("" + i, f, Brushes.Gray, x0 - sf.Width - 2, yy - sf.Height / 2);
}
if (gradovi != null)
{
if (resenje != null)
{
int n = resenje.hromozomi.Length;
for (int i = 0; i < n; i++)
{
int sledeci = (i + 1) % n;
Grad g1 = gradovi.gradovi[resenje.hromozomi[i]];
Grad g2 = gradovi.gradovi[resenje.hromozomi[sledeci]];
float xx1 = (float)(x0 + dx * g1.x);
float yy1 = (float)(y0 - dy * g1.y);
float xx2 = (float)(x0 + dx * g2.x);
float yy2 = (float)(y0 - dy * g2.y);
gr.DrawLine(Pens.Blue, xx1, yy1, xx2, yy2);
}
}
for (int i = 0; i < gradovi.gradovi.Length; i++)
{
Font f = new Font(FontFamily.GenericSerif, 8);
SizeF sf = gr.MeasureString("" + i, f);
float xx = (float)(x0 + dx * gradovi.gradovi[i].x);
float yy = (float)(y0 - dy * gradovi.gradovi[i].y);
float r = Math.Max(sf.Width, sf.Height) + 4;
Rectangle rEl = new Rectangle((int)(xx - r / 2), (int)(yy - r / 2), (int)(r), (int)(r));
gr.FillEllipse(Brushes.White, rEl);
gr.DrawEllipse(Pens.Green, rEl);
gr.DrawString("" + i, f, Brushes.Black, xx - sf.Width / 2, yy - sf.Height / 2);
}
}// if gradovi != null
}