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Date Posted: 10:22:16 12/12/03 Fri
Author: MIke Haiss
Subject: Re: OCR
In reply to: Mike Crapo 's message, "Re: OCR" on 08:41:17 12/12/03 Fri

Thanks Guys,

I got it working. Great OCR for the price. I am very impressed with the accuracy.


>No problem Mike.
>
>OnProgress is used to show a progress bar of what is
>happening. Below you will find the code. When the ocr
>is working on the graphic, it will call the function
>that I passed it to update progress within my
>application.
>
>Hope that helps
>Mike Crapo
>
>//In header file
>void __fastcall OnProgress(const TObject *Sender,
>const unsigned char PercentProgress);
>
>//In cpp file
>void __fastcall TfrmDocImage::OnProgress(const TObject
>*Sender, const unsigned char PercentProgress)
>{
> if(PercentProgress < 100)
> {
> ProgressBar->Position = PercentProgress;
> if(!ProgressBar->Visible)
> ProgressBar->Visible = true;
> }
> else
> {
> ProgressBar->Visible = false;
> }
> Application->ProcessMessages();
>}
>
>
>
>>Thanks Mike
>>
>>Question, how do you declare/define OnProgress?
>>I'm a little confused on how that works.
>>
>>
>>>Mike
>>>
>>>Here is how I did it
>>>
>>>void TForm1::GetOCR()
>>>{
>>> TStringList *Output;
>>> TTransymOcrDriver *OCREngine;
>>> try
>>> {
>>> Output = new TStringList;
>>> OCREngine = new TTransymOcrDriver;
>>>
>>OCREngine->Recognize(DibGraphic,Output,OnProgress);
>>> if(Output->Count > 0)
>>> {
>>> for(int i=0;i<Output->Count;i++)
>>> {
>>> if(Output->Strings[i] != NULL)
>>> {
>>> ShowMessage(Output->Strings[i]);
>>> }
>>> }
>>> }
>>> else
>>> {
>>> ShowMessage("No Lines Found");
>>> }
>>> }
>>> catch(...){}
>>> delete OCREngine;
>>> delete Output;
>>>}
>>>
>>>Hope that helps
>>>
>>>Mike
>>>
>>>>I have been trying to get your OCR interface to work
>>>>with CBuilder6, do you have any sample code in C++?
>>I
>>>>tried to convert the syntax from the demo prog to
>C++
>>>>with no success. I cannot correctly create the
>>>>TOcrEngine object.
>>>>
>>>>Your sample code declaration;
>>>>var
>>>> OcrEngine : TOcrEngine;
>>>>begin
>>>> OcrEngine :=
>>TOcrEngine.Create(TTransymOcrDriver);
>>>>
>>>>what Im doing in C++
>>>>
>>>>TOcrEngine *OcrEngine = new
>>>>TOcrEngine(TTransymOcrDriver);
>>>>
>>>>I not to up on my Pascal Syntax but are these not
>the
>>>>same declarations? For some reason my declaration
>>>>throws the following error;
>>>>[C++ Error] MainForm.cpp(1509): E2108 Improper use
>of
>>>>typedef 'TTransymOcrDriver'
>>>>Anyone have any ideas? I have downloaded and
>>>>installed TOCR and the Demo Prog works fine.

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