/// <summary>
/// Method to generate captcha.
/// </summary>
public void MakeCaptcha()
{
string[] fontNames = new string[]
{
"Comic Sans MS",
"Arial",
"Times New Roman",
"Georgia",
"Verdana",
"Geneva"
};
FontStyle[] fontStyles = new FontStyle[]
{
FontStyle.Bold,
FontStyle.Italic,
FontStyle.Regular,
};
txt.Clear();
fonts.Clear();
brushes.Clear();
lines.Clear();
Random rand = new Random();
int rnd;
// chars [48 - 122]
for (int i = 0; i < 8; ++i)
{
rnd = rand.Next(48, 122);
if ((rnd >= 91 && rnd <= 96) || (rnd >= 58 && rnd <= 64))
{
--i;
continue;
}
this.txt.Append((char)rnd);
this.fonts.Add(new Font(fontNames[rand.Next(fontNames.Count())], (float)rand.Next(20, 25), fontStyles[rand.Next(fontStyles.Count())]));
this.brushes.Add(new SolidBrush(Color.FromArgb(rand.Next(0, 255), rand.Next(0, 255), rand.Next(0, 255))));
}
Line toPush;
for (int i = 0; i < 10; ++i)
{
toPush = new Line();
toPush.Cl = Color.FromArgb(rand.Next(0, 255), rand.Next(0, 255), rand.Next(0, 255));
toPush.X = new Point(rand.Next(pnl.Width), rand.Next(pnl.Height));
toPush.Y = new Point(rand.Next(pnl.Width), rand.Next(pnl.Height));
lines.Add(toPush);
}
}
