Unexpected results with KPrinter and QPaintDeviceMetrics

[Chris Howells]

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Hi,

I have some code like the following;

KPrinter printer;
printer.setup();
QPaintDeviceMetrics metrics(&printer);
kdDebug() << "X DPI " << metrics.logicalDpiX() << endl;
kdDebug() << "Y DPI " << metrics.logicalDpiY() << endl;
kdDebug() << "Height mm " << metrics.heightMM() << endl;
kdDebug() << "Width mm " << metrics.widthMM() << endl;

Now, no matter what paper size I select in the printer setup dialog, I always 
get results like the following:

kdeprintphoto: X DPI 100
kdeprintphoto: Y DPI 100
kdeprintphoto: Height mm 280
kdeprintphoto: Width mm 184

...where has 280 by 184 came from? Why don't I get the size of the paper size 
that I chose? Otherwise, how am I going to know when to call 
KPrinter::newPage() ?  (I know the resolution of the images that I'm going to 
print, I know the DPI of the KPrinter, and therefore I need to know the paper 
size to know how many images I can get on one page).

Thanks

- -- 
Cheers, Chris Howells -- chris at chrishowells.co.uk, howells at kde.org
Web: http://chrishowells.co.uk, PGP key: http://chrishowells.co.uk/pgp.txt
KDE: http://www.koffice.org, http://printing.kde.org, http://usability.kde.org

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