[okular] [Bug 407998] New: Okular scales down pages when printing

[Sergio]

https://bugs.kde.org/show_bug.cgi?id=407998

            Bug ID: 407998
           Summary: Okular scales down pages when printing
           Product: okular
           Version: 1.4.3
          Platform: Other
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: printing
          Assignee: okular-devel at kde.org
          Reporter: sergio.callegari at gmail.com
  Target Milestone: ---

SUMMARY

Suppose you have a PDF document with A4 pages and that you want to print it to
a printer using A4 paper. If you print via okular, the pages will be scaled
down so that the whole of the original A4 page fits in the printable area of
the printer. This is the same as the page scaling "fit to printable area" of
acroread. Unfortunately, most of the time it is not what you want. In fact, the
original PDF document pages are quite likely to have their own margins.
Typically, you'll need page scaling "none", to assure that the printout is
identical to the source. For instance, this is fundamental if you are making
a printout where scale is important, such as a technical drawing, a map, the
text of an invoice to be printed over pre-printed paper, a letter where the
address should fall in the window of the envelope.

Ideally, okular should provide an option for the page scaling you want for
printing. Until this is possible, please at least refrain from scaling down
pages arbitrarly. In other word, do not scale down until the page fits in
the paper size regardless of the 'unprintable area' of the printer.


STEPS TO REPRODUCE
1. Open a pdf document with some element whose length is known (e.g. a box
   where you know the side length, a ruler, etc.)
2. Print it via okular

OBSERVED RESULT

Measure that length on the printout and see that it is shorter than it should


EXPECTED RESULT

Printing via okular should respect scale


As an additional note, observe that the scaling is correct if you print with
acroread 9
masterpdfeditor
or the plain lpr

SOFTWARE/OS VERSIONS
Linux/KDE Plasma
KDE Plasma Version: 5.15.4
KDE Frameworks Version: KDE Frameworks 5.54.0
Qt Version: 5.11.1

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