Jo, I discover that my PDF file have Flate coded text blocks. Yes, I am
using the podofotxtextract, but I think that this special case is not been
handled by this tool. At this moment I am investigating the PdfMemStream
class, trying to apply the Uncompress() or GetFilteredCopy() methods.
Is this the correct way?
Thank you!
Marcelo Pita
On Mon, Sep 6, 2010 at 4:42 PM, Jo Van der Snickt <[email protected]>wrote:
> Marcelo,
>
> I presume to refer to the podofotxtextract tool. The error message
> indicates - as the message clearly says - that no current font is selected
> :-)
>
> The font is set as a result of the Tf (select-font) operator in the stream.
> If you are using the podofoextract tool, the Tf operator is correctly
> handled in the TextExtractor::ExtractText method. So, I see two
> possibilities:
>
> 1. Your PDF file does not select a font inside a text block. In this case,
> check where you find the Tf operator inside your PDF file. It should be
> somewhere before the operator that displays the text and it should be inside
> a text block (starts with BT and ends with ET).
>
> 2. You are using PODOFO version 0.8.1 or older. After this version a fix
> has been made to PdfPage::GetFromResources. But, in that case you should
> normally have received an exception stating "Cannot create font!".
>
> Alternatively, you can also send me your PDF file for investigation.
>
> - Jo
>
>
>
>
>
> From: Marcelo Pita [mailto:[email protected]]
> Sent: maandag 6 september 2010 16:30
> To: [email protected]
> Subject: [Podofo-users] Found text but do not have a current font
>
> Hi friends,
>
> I am extracting text from PDF files, and it is not rare to receive the
> following warning when treating text objects:
>
> WARNING: Found text but do not have a current font
>
> How do I solve this problem?
>
> Thank you!
>
> Marcelo Pita
>
>
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