internal MvcCaptchaImage(MvcCaptchaOptions options)
{
CaptchaOptions = options;
UniqueId = Guid.NewGuid().ToString("N");
_rand = new Random();
//Text = GenerateRandomText();
}
public byte[] CreateCaptcha(string key)
{
byte[] ar;
var options = new MvcCaptchaOptions();
options.TextLength = 4;
var ci = new MvcCaptchaImage(options);
ci.ResetText();
using (var b = ci.RenderImage())
{
using (var mem = new MemoryStream())
{
b.Save(mem, ImageFormat.Gif);
ar = mem.ToArray();
}
var valueKey = GenerateValueKey(key);
string code = ci.Text;
Session.SetString(valueKey, code);
string str = Session.GetString(valueKey);
}
return(ar);
}