// OVERLOADED function to convert results to a string
private static bool FormatResults(TOCRRESULTS Results, ref string Answer)
{
Answer = "";
if (Results.Hdr.NumItems > 0)
{
for (int ItemNo = 0; ItemNo < Results.Hdr.NumItems; ItemNo++)
{
if (Results.Item[ItemNo].OCRCha == 13)
{
Answer = Answer + Environment.NewLine;
}
else
{
Answer = Answer + Convert.ToChar(Results.Item[ItemNo].OCRCha);
}
}
return(true);
}
else
{
MessageBox.Show("No results returned", "FormatResults", MessageBoxButtons.OK, MessageBoxIcon.Information);
return(false);
}
}
private void OCR(ref int JobNo, ref string Msg, Bitmap BMP, ref TOCRRESULTS Results, ref TOCRJOBINFO2 JobInfo2, ref IntPtr MMFhandle)
{
int Status;
MMFhandle = ConvertBitmapToMMF(BMP);
//MMFhandle = ConvertBitmapToMMF2(BMP);
if (!(MMFhandle.Equals(IntPtr.Zero)))
{
TOCRSetConfig(TOCRCONFIG_DEFAULTJOB, TOCRCONFIG_DLL_ERRORMODE, TOCRERRORMODE_LOG);
JobInfo2.JobType = TOCRJOBTYPE_MMFILEHANDLE;
Status = TOCRInitialise(ref JobNo);
JobInfo2.ProcessOptions.StructId = 3;
if (Status == TOCR_OK)
{
JobInfo2.hMMF = MMFhandle;
if (OCRWait(JobNo, JobInfo2))
{
if (GetResults(JobNo, ref Results))
{
if (FormatResults(Results, ref Msg))
{
////MessageBox.Show(Msg, "Example 4", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
TOCRShutdown(JobNo);
}
CloseHandle(MMFhandle);
}
}
public void Run(string imageFile, int JobNo = 0)
{
string Msg = "";
Bitmap BMP;
TOCRRESULTS Results = new TOCRRESULTS();
TOCRJOBINFO2 JobInfo2 = new TOCRJOBINFO2();
ImageProcessing image = new ImageProcessing();
JobInfo2.ProcessOptions.DisableCharacter = new short[256];
IntPtr MMFhandle = IntPtr.Zero;
using (FileStream stream = new FileStream(imageFile, FileMode.Open, FileAccess.Read))
{
BMP = new Bitmap(stream);
}
if (BMP.Width > 10000 || BMP.Height > 10000)
{
BMP = image.Resize(BMP, 5000, 5000, 100);
}
Width = BMP.Width;
Height = BMP.Height;
OCR(ref JobNo, ref Msg, BMP, ref Results, ref JobInfo2, ref MMFhandle);
}
// OVERLOADED function to convert results to a string
private bool FormatResults(TOCRRESULTS Results, ref string Msg)
{
if (Results.Hdr.NumItems > 0)
{
List <WordInfo> listWord = new List <WordInfo>();
List <Character> listCharacter = new List <Character>();
int index = 1;
DateTime time = DateTime.Now;
for (int ItemNo = 0; ItemNo < Results.Hdr.NumItems; ItemNo++)
{
if (Results.Item[ItemNo].OCRCha == 13)
{
Msg = Msg + Environment.NewLine;
}
else
{
Msg = Msg + Convert.ToChar(Results.Item[ItemNo].OCRCha);
}
SetOCRRow(ref Results, ref listWord, ref listCharacter, ref index, ItemNo);
}
Message = Msg;
/*Encoding UNICODE = Encoding.Unicode;
* Encoding ANSI = Encoding.GetEncoding(1252);
* byte[] ansibytes = new Byte[Results.Hdr.NumItems];
* byte[] unicodebytes = new Byte[Results.Hdr.NumItems];
*
* for (int ItemNo = 0; ItemNo < Results.Hdr.NumItems; ItemNo++)
* {
* if (Results.Item[ItemNo].OCRCha == 13)
* ansibytes[ItemNo] = (byte)'\n';
* else
* {
* ansibytes[ItemNo] = (byte)Results.Item[ItemNo].OCRCha;
* }
* }
* unicodebytes = Encoding.Convert(ANSI, UNICODE, ansibytes);
* Msg = UNICODE.GetString(unicodebytes);
*/
return(true);
}
else
{
//MessageBox.Show("No results returned", "FormatResults", MessageBoxButtons.OK, MessageBoxIcon.Information);
return(false);
}
}
private string GetOCRfromBMP(Bitmap bmp)
{
int Status;
int JobNo = 0;
string Answer = "";
Bitmap BMP;
TOCRRESULTS Results = new TOCRRESULTS();
TOCRJOBINFO JobInfo = new TOCRJOBINFO();
JobInfo.ProcessOptions.DisableCharacter = new short[256];
IntPtr MMFhandle = IntPtr.Zero;
//BMP = new Bitmap(mSample_BMP_file);
BMP = bmp;
//MMFhandle = ConvertBitmapToMMF(BMP);
MMFhandle = ConvertBitmapToMMF2(BMP);
if (!(MMFhandle.Equals(IntPtr.Zero)))
{
TOCRSetErrorMode(TOCRDEFERRORMODE, TOCRERRORMODE_MSGBOX);
JobInfo.InputFile = "";
JobInfo.JobType = TOCRJOBTYPE_MMFILEHANDLE;
Status = TOCRInitialise(ref JobNo);
if (Status == TOCR_OK)
{
JobInfo.PageNo = MMFhandle.ToInt32();
if (OCRWait(JobNo, JobInfo))
{
if (GetResults(JobNo, ref Results))
{
if (FormatResults(Results, ref Answer))
{
//MessageBox.Show(Answer, "Example 3", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
}
}
TOCRShutdown(TOCRSHUTDOWNALL);
}
CloseHandle(MMFhandle);
}
return(Answer);
}
public void Run(Bitmap bmp, int JobNo = 0)
{
string Msg = "";
TOCRRESULTS Results = new TOCRRESULTS();
TOCRJOBINFO2 JobInfo2 = new TOCRJOBINFO2();
ImageProcessing image = new ImageProcessing();
JobInfo2.ProcessOptions.DisableCharacter = new short[256];
IntPtr MMFhandle = IntPtr.Zero;
Rectangle zone = new Rectangle(0, 0, bmp.Width, bmp.Height);
Bitmap bmpZone = image.Crop(bmp, zone);
//bmpZone.Save(imageFile + "zone_" + Guid.NewGuid() + ".jpg");
Width = bmp.Width;
Height = bmp.Height;
OCR(ref JobNo, ref Msg, bmpZone, ref Results, ref JobInfo2, ref MMFhandle);
}
public void Run(string imageFile, int x, int y, int width, int height, string zoneName = "", int JobNo = 0)
{
string Msg = "";
TOCRRESULTS Results = new TOCRRESULTS();
TOCRJOBINFO2 JobInfo2 = new TOCRJOBINFO2();
ImageProcessing image = new ImageProcessing();
JobInfo2.ProcessOptions.DisableCharacter = new short[256];
IntPtr MMFhandle = IntPtr.Zero;
Bitmap bmp = image.LoadImageFromFile(imageFile);
//crop image
Rectangle zone = new Rectangle(x, y, width, height);
Bitmap bmpZone = image.Crop(bmp, zone);
bmpZone.Save(imageFile + "zone_" + zoneName + "_" + Guid.NewGuid() + ".jpg");
//bmpZone.Save(DateTime.Now.ToString("yyyyMMddhhmmssfff") + "zone_"+ zoneName + "_"+ Guid.NewGuid() + ".jpg");
Width = bmp.Width;
Height = bmp.Height;
OCR(ref JobNo, ref Msg, bmpZone, ref Results, ref JobInfo2, ref MMFhandle);
}
// OVERLOADED function to retrieve the results from the service process and load into 'Results'
// Remember the character numbers returned refer to the Windows character set.
private static bool GetResults(int JobNo, ref TOCRRESULTS Results)
{
int ResultsInf = 0; // number of bytes needed for results
byte[] Bytes;
int Offset;
bool RetStatus = false;
GCHandle BytesGC;
System.IntPtr AddrOfItemBytes;
Results.Hdr.NumItems = 0;
if (TOCRGetJobResults(JobNo, ref ResultsInf, 0) == TOCR_OK)
{
if (ResultsInf > 0)
{
Bytes = new Byte[ResultsInf - 1];
// pin the Bytes array so that TOCRGetJobResults can write to it
BytesGC = GCHandle.Alloc(Bytes, GCHandleType.Pinned);
if (TOCRdeclares.TOCRGetJobResults(JobNo, ref ResultsInf, ref Bytes[0]) == TOCR_OK)
{
Results.Hdr = ((TOCRRESULTSHEADER)(Marshal.PtrToStructure(BytesGC.AddrOfPinnedObject(), typeof(TOCRRESULTSHEADER))));
if (Results.Hdr.NumItems > 0)
{
Results.Item = new TOCRRESULTSITEM[Results.Hdr.NumItems];
Offset = Marshal.SizeOf(typeof(TOCRRESULTSHEADER));
for (int ItemNo = 0; ItemNo <= Results.Hdr.NumItems - 1; ItemNo++)
{
AddrOfItemBytes = Marshal.UnsafeAddrOfPinnedArrayElement(Bytes, Offset);
Results.Item[ItemNo] = ((TOCRRESULTSITEM)(Marshal.PtrToStructure(AddrOfItemBytes, typeof(TOCRRESULTSITEM))));
Offset = Offset + Marshal.SizeOf(typeof(TOCRRESULTSITEM));
}
}
RetStatus = true;
// Double check results
if (Results.Hdr.StructId == 0)
{
if (Results.Hdr.NumItems > 0)
{
if (Results.Item[0].StructId != 0)
{
MessageBox.Show("Wrong results item structure Id " + Results.Item[0].StructId.ToString(), "GetResults", MessageBoxButtons.OK, MessageBoxIcon.Stop);
Results.Hdr.NumItems = 0;
RetStatus = false;
}
}
}
else
{
MessageBox.Show("Wrong results header structure Id " + Results.Item[0].StructId.ToString(), "GetResults", MessageBoxButtons.OK, MessageBoxIcon.Stop);
Results.Hdr.NumItems = 0;
RetStatus = false;
}
}
BytesGC.Free();
}
}
return(RetStatus);
}
private void SetOCRRow(ref TOCRRESULTS Results, ref List <WordInfo> listWord, ref List <Character> listCharacter, ref int index, int ItemNo)
{
int wordIndex = 1;
if (Convert.ToChar(Results.Item[ItemNo].OCRCha) != 13)
{
if (Convert.ToChar(Results.Item[ItemNo].OCRCha) != ' ')
{
Character character2 = new Character()
{
Value = Convert.ToChar(Results.Item[ItemNo].OCRCha).ToString(),
Confidence = Results.Item[ItemNo].Confidence,
XDim = Results.Item[ItemNo].XDim,
XPos = Results.Item[ItemNo].XPos,
YDim = Results.Item[ItemNo].YDim,
YPos = Results.Item[ItemNo].YPos,
};
listCharacter.Add(character2);
}
if (Convert.ToChar(Results.Item[ItemNo].OCRCha) == ' ')
{
WordInfo word = new WordInfo()
{
//ListCharacter = listCharacter
Word = string.Join("", listCharacter.Select(x => x.Value)),
ListCharacter = listCharacter,
Height = listCharacter.Max(x => x.YDim),
Width = listCharacter.Count == 1 ? listCharacter.First().XDim : listCharacter.Last().XPos - listCharacter.First().XPos + listCharacter.Last().XDim,
XPos = listCharacter.First().XPos,
YPos = listCharacter.First().YPos,
Confidence = listCharacter.Sum(x => x.Confidence) / listCharacter.Count * 100,
Position = wordIndex,
CorrectWord = string.Empty,
};
listCharacter = new List <Character>();
listWord.Add(word);
wordIndex++;
}
}
else
{
WordInfo word = new WordInfo()
{
//ListCharacter = listCharacter
Word = string.Join("", listCharacter.Select(x => x.Value)),
ListCharacter = listCharacter,
Height = listCharacter.Max(x => x.YDim),
Width = listCharacter.Count == 1 ? listCharacter.First().XDim : listCharacter.Last().XPos - listCharacter.First().XPos + listCharacter.Last().XDim,
XPos = listCharacter.First().XPos,
YPos = listCharacter.First().YPos,
Confidence = listCharacter.Sum(x => x.Confidence) / listCharacter.Count * 100,
CorrectWord = string.Empty,
Position = wordIndex,
};
listCharacter = new List <Character>();
listWord.Add(word);
wordIndex++;
OCRRow info = new OCRRow()
{
ListWord = listWord,
Row = string.Join(" ", listWord.Select(x => x.Word)),
Position = index,
CorrectRow = string.Empty,
Confidence = listWord.Sum(x => x.Confidence) / listWord.Count,
};
listOCRRow.Add(info);
listWord = new List <WordInfo>();
index++;
}
if (ItemNo == Results.Hdr.NumItems - 1)
{
WordInfo word = new WordInfo()
{
//ListCharacter = listCharacter
Word = string.Join("", listCharacter.Select(x => x.Value)),
ListCharacter = listCharacter,
Height = listCharacter.Max(x => x.YDim),
Width = listCharacter.Count == 1 ? listCharacter.First().XDim : listCharacter.Last().XPos - listCharacter.First().XPos + listCharacter.Last().XDim,
XPos = listCharacter.First().XPos,
YPos = listCharacter.First().YPos,
Confidence = listCharacter.Sum(x => x.Confidence) / listCharacter.Count * 100,
CorrectWord = string.Empty,
Position = wordIndex,
};
listCharacter = new List <Character>();
listWord.Add(word);
wordIndex++;
OCRRow info = new OCRRow()
{
ListWord = listWord,
Row = string.Join(" ", listWord.Select(x => x.Word)),
Position = index,
CorrectRow = string.Empty,
Confidence = listWord.Sum(x => x.Confidence) / listWord.Count,
};
listOCRRow.Add(info);
listWord = new List <WordInfo>();
index++;
}
}
