private string GetOCR(Bitmap big, Imaging.ImageRange range, bool flag = true)
{
Point p = new Point();
int width = 0;
int height = 0;
p.X = range.loc.X;
p.Y = range.loc.Y;
width = range.width;
height = range.height;
big = Imaging.CropImage(big, p, width, height);
big = Imaging.ConvertFormat(big, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
if (!flag)
{
big = Imaging.MakeGrayscale3(big);
}
//;
else
{
big = grayscale(big);
}
//tessnet2.Tesseract api = new tessnet2.Tesseract();
//api.Init()
OcrApi.PathToEngine = Environment.CurrentDirectory + @"\tesseract.dll";
OcrApi api = OcrApi.Create();
Languages[] lang = { Languages.English };
api.Init(lang, null, OcrEngineMode.OEM_TESSERACT_CUBE_COMBINED);
api.SetVariable("tessedit_char_whitelist", "0123456789");
string plainText = api.GetTextFromImage(big);
////Console.WriteLine(plainText);
////this.Invoke(new MethodInvoker(delegate() { txtLog.AppendText(plainText + Environment.NewLine); }));
api.Dispose();
api = null;
System.GC.Collect(0, GCCollectionMode.Forced);
System.GC.WaitForPendingFinalizers();
return(plainText);
//return "";
}