// Wait for the engine to complete
private static bool OCRWait(int JobNo, TOCRJOBINFO JobInfo)
{
int Status;
int JobStatus = 0;
int ErrorMode = 0;
Status = TOCRDoJob(JobNo, ref JobInfo);
if (Status == TOCR_OK)
{
Status = TOCRWaitForJob(JobNo, ref JobStatus);
}
if (Status == TOCR_OK && JobStatus == TOCRJOBSTATUS_DONE)
{
return(true);
}
else
{
// If something's gone wrong display a message
// (Check that the OCR engine hasn't already displayed a message)
TOCRGetErrorMode(JobNo, ref ErrorMode);
if (ErrorMode == TOCRERRORMODE_NONE)
{
StringBuilder Msg = new StringBuilder(TOCRJOBMSGLENGTH);
TOCRGetJobStatusMsg(JobNo, Msg);
MessageBox.Show(Msg.ToString(), "OCRWait", MessageBoxButtons.OK, MessageBoxIcon.Exclamation);
}
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 static extern int TOCRDoJob(int JobNo, ref TOCRJOBINFO JobInfo);