[gs-bugs] [Bug 690604] rounding errors due to inconstant precision

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Tue Jul 13 21:05:52 UTC 2010


http://bugs.ghostscript.com/show_bug.cgi?id=690604

Tor Andersson <tor.andersson at artifex.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |RESOLVED
         Resolution|                            |WONTFIX

--- Comment #13 from Tor Andersson <tor.andersson at artifex.com> 2010-07-13 21:05:49 UTC ---
Any time the zoom is not an even multiple of 72 dpi the bounding boxes will be
"wrong". Adding a fudge factor as in
http://code.google.com/p/sumatrapdf/source/detail?r=1998 does not solve the
problem -- you will still see white lines around the page at various zoom
levels.

I traced the page bounding boxes for various zoom levels to illustrate what I
mean:

60 dpi: [0 0 495.833 701.667]
70 dpi: [0 0 578.472 818.611]
72 dpi: [0 0 595 842]
80 dpi: [0 0 661.111 935.556]
144 dpi: [0 0 1190 1684]

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