Set PDF to print with no scaling

Question

I am generating a PDF (using fpdf) and I am wondering if there is a way to set the document\'s properties to to default to print with no scaling.

So when you select

Answer 1

For me changing the FPDF Catalog method _putcatalog() and adding

    $this->_out('/ViewerPreferences [/PrintScaling/None]');

wasn't accomplishing the goal so I looked at the code produced by a Acrobate XI PDF and found some more verbage. Adding the following code

    $this->_out('/ViewerPreferences<>');

created a PDF that no longer defaulted to scaling and instead only gave the option to print Actual Size which was what was desired.