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Posted: **Wed Jun 15, 2011 11:04 am**

Marco2007 wrote:

Anyone else?

Maybe I can do it.

Posted: **Wed Jun 15, 2011 12:06 pm**

Thanks, LJ.

Posted: **Tue Mar 20, 2012 5:00 pm**

milan1612's pdf2text.zip contains the following code example:

Code: Select all

Prototype.l ExtractPDFTextProto(PdfFile.s, OutputFile.s)
If OpenLibrary(0, "pdf2text.dll")
  Global ExtractPDFText.ExtractPDFTextProto = GetFunction(0, "ExtractPdfText")
Else
  End
EndIf

If Not ExtractPDFText("c:\LTB2658_1.pdf", "c:\LTB2658_1.txt")
  MessageRequester("Error", "Could not extract pdf text!")
EndIf

Although this code example works it contains a nasty bug which
you will experience if you put the ExtractPdfText function into a
procedure: you will see a crash in the procedure because you have
to use PrototypeC instead of Prototype...

For an explanation take a look into the PureBasic blog:

freak wrote:Here we get to the reason why it works outside of a procedure and not inside. A call to a procedure stores the address where execution continues after the procedure on the stack as well. If a function call inside the procedure leaves the stack in a mess, then the ProcedureReturn cannot find the address to continue and uses a wrong value instead which leads to a crash. Outside of a procedure, nobody will notice the stack mess, as the stack is only used for function calls.

PureBasic Forums - English

Make a lib (from C-Code) and get Esgrid!

Re:

Re: Re:

Re: Make a lib (from C-Code) and get Esgrid!