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 "";
}
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.Format32bppArgb);
//if (!flag)
//big = Imaging.MakeGrayscale3(big);
////;
//else
//big = grayscale(big);
//big.Save(Environment.CurrentDirectory + "\\test.png");
////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;
var tmpFile = Path.GetTempFileName();
string text = "";
var bmp = new Bitmap(Math.Max(big.Width, 1024), Math.Max(big.Height, 768));
var gfxResize = Graphics.FromImage(bmp);
gfxResize.DrawImage(big, new Rectangle(0, 0, big.Width, big.Height));
bmp.Save(tmpFile + ".png", ImageFormat.Png);
//EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, 100L); // 0(최저화질 고압축) ~ 100L(최고화질 저압축)
//myEncoderParameters.Param[0] = myEncoderParameter;
//bmp.Save(tmpFile + ".jpg", jpgEncoder, myEncoderParameters);
var doc = new MODI.Document();
doc.Create(tmpFile + ".png");
//Regex reg = new Regex(@"[^\d]+");
try
{
doc.OCR(MODI.MiLANGUAGES.miLANG_ENGLISH, true, true);
var img = (MODI.Image)doc.Images[0];
var layout = img.Layout;
text = layout.Text;
File.Delete(tmpFile);
File.Delete(tmpFile + ".png");
}
catch (Exception e)
{
try
{
doc.OCR(MODI.MiLANGUAGES.miLANG_ENGLISH, false, false);
var img = (MODI.Image)doc.Images[0];
var layout = img.Layout;
text = layout.Text;
}
catch (Exception)
{
}
finally
{
File.Delete(tmpFile);
File.Delete(tmpFile + ".png");
}
}
finally
{
File.Delete(tmpFile);
File.Delete(tmpFile + ".png");
}
Int32 tryCheck = 0;
text = Regex.Replace(text.Replace(" ", "").Replace(",", "").Replace(".", "").Trim(), @"[^\d]", "");
Int32.TryParse(text, out tryCheck);
if (tryCheck == 0 || tryCheck < 1000)
{
try
{
EncoderParameters myEncoderParameters = new EncoderParameters(1);
System.Drawing.Imaging.Encoder myEncoder = System.Drawing.Imaging.Encoder.Quality;
ImageCodecInfo jpgEncoder = GetEncoder(ImageFormat.Jpeg);
tmpFile = Path.GetTempFileName();
text = "";
bmp = new Bitmap(Math.Max(big.Width, 1024), Math.Max(big.Height, 768));
gfxResize = Graphics.FromImage(bmp);
gfxResize.DrawImage(big, new Rectangle(0, 0, big.Width, big.Height));
EncoderParameter myEncoderParameter = new EncoderParameter(myEncoder, 100L); // 0(최저화질 고압축) ~ 100L(최고화질 저압축)
myEncoderParameters.Param[0] = myEncoderParameter;
bmp.Save(tmpFile + ".jpg", jpgEncoder, myEncoderParameters);
doc = new MODI.Document();
doc.Create(tmpFile + ".jpg");
doc.OCR(MODI.MiLANGUAGES.miLANG_ENGLISH, true, true);
var img = (MODI.Image)doc.Images[0];
var layout = img.Layout;
text = layout.Text;
}
catch (Exception)
{
doc.OCR(MODI.MiLANGUAGES.miLANG_ENGLISH, false, false);
var img = (MODI.Image)doc.Images[0];
var layout = img.Layout;
text = layout.Text;
}
finally
{
File.Delete(tmpFile);
File.Delete(tmpFile + ".jpg");
}
}
text = Regex.Replace(text.Replace(" ", "").Replace(",", "").Replace(".", "").Trim(), @"[^\d]", "");
doc.Close();
doc = null;
bmp.Dispose();
bmp = null;
System.GC.Collect(0, GCCollectionMode.Forced);
System.GC.WaitForPendingFinalizers();
return(text);
//return "";
}