[Development] Nokia/Digia copyright in PDF produced by QPrinter

Knoll Lars Lars.Knoll at digia.com
Sun Oct 6 20:51:40 CEST 2013


The producer field in PDF is generally used for marking what has been used
to produce the PDF. In Qt 5 this reads:

   xprintf("\n/Producer ");
   printString(QString::fromLatin1("Qt " QT_VERSION_STR " (C) 2012 Digia
Plc and/or its subsidiary(-ies)"));

which gives inside the PDF:

/Producer (Qt 5.1.1 \(C\) 2012 Digia Plc and/or its subsidiary\(-ies\))


I think this is fully correct, and doesn't assert any copyright over the
generated PDF. It states that the PDF got produced by the PDF generator of
Qt 5.1.1, which is (C) Digia.

Btw, the /Creator field is something you can set on your own to point to
your application. See QPdfWriter::setCreator().

Cheers,
Lars

On 10/3/13 9:08 PM, "Turunen Tuukka" <Tuukka.Turunen at digia.com> wrote:

>
>Hi,
>
>Intention is not to claim copyright to your document.
>
>Please make a bug report on this and we'll take a look into if this needs
>to be altered or not.
>
>Yours,
>
>          Tuukka
>
>________________________________________
>Lähettäjä: development-bounces+tuukka.turunen=digia.com at qt-project.org
>[development-bounces+tuukka.turunen=digia.com at qt-project.org]
>käyttäjän Jeff Kehres [jkehres at blackberry.com] puolesta
>Lähetetty: 3. lokakuuta 2013 17:30
>Vastaanottaja: development at qt-project.org
>Aihe: [Development] Nokia/Digia copyright in PDF produced by QPrinter
>
>I'm using QPrinter in Qt 4.8 to produce a PDF document. In the metadata
>of the generated file (specifically the producer field) there is a Nokia
>copyright:
>
>    (C) 2011 Nokia Corporation and/or its subsidiary(-ies)
>
>I traced this back to QPdfEnginePrivate::writeInfo(). Looking in Qt 5 I
>see the same thing only the copyright holder has changed to Digia:
>
>    (C) 2012 Digia Plc and/or its subsidiary(-ies)
>
>I am not a lawyer, but this seems to imply that Nokia/Digia is asserting
>a copyright claim to content I created. Now preceding the copyright
>notice is the Qt version (from QT_VERSION_STR), which got me thinking
>that perhaps a trademark claim was trying to be asserted on the name "Qt"
>but was incorrectly executed as a copyright claim.
>
>Can someone comment on the intent of the copyright notice in
>QPdfEnginePrivate::writeInfo()? I think it either needs to be removed or
>changed to a trademark notice.
>
>Regards,
>Jeff Kehres
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