private static async Task <string> CrackCaptcha(HttpClient client)
{
//System.Diagnostics.Debugger.Break();
try
{
Bitmap captchaBitmap = await LoadPicture(client, "https://signup.leagueoflegends.com/de/signup/captcha/");
PrepareCaptcha(captchaBitmap);
captchaBitmap.Save("captcha.png");
string result = "";
using (tessnet2.Tesseract ocr = new tessnet2.Tesseract())
{
ocr.Init(Directory.GetCurrentDirectory() + @"\tessdata\", "eng", false);
ocr.SetVariable("tessedit_char_whitelist", "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789");
List <tessnet2.Word> wlist = ocr.DoOCR(captchaBitmap, Rectangle.Empty);
foreach (tessnet2.Word w in wlist)
{
result += w.Text;
}
ocr.Clear();
ocr.Dispose();
wlist.Clear();
return(result);
}
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
return("ERROR");
}
public void Dispose()
{
_ocrEngine.Dispose();
_tEngine.Dispose();
_mEvent.Dispose();
}