[gs-bugs] [Bug 690504] ps2write does not work with asymmetric resolutions, like 600x1200dpi

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Wed Sep 8 16:25:11 UTC 2010


http://bugs.ghostscript.com/show_bug.cgi?id=690504

Ken Sharp <ken.sharp at artifex.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|ASSIGNED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #7 from Ken Sharp <ken.sharp at artifex.com> 2010-09-08 16:25:08 UTC ---
The problem was caused by the calculations which remove the resolution scaling
from the CTM when the pattern is defined, in order to create the pattern
matrix. This was done by simple arithmetic, which doesn't work well with matrix
algebra, and fails badly when (as in this case) the pattern matrix involves a
rotation.

Fixed in revision 11699, patch here:
http://ghostscript.com/pipermail/gs-cvs/2010-September/011716.html

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