[cairo] ghostcript-8.54 causes most cairo-1.2.6 ps surface tests to fail

Behdad Esfahbod behdad at behdad.org
Tue Jan 23 09:05:28 PST 2007

On Mon, 2007-01-22 at 19:20 -0500, Gary V. Vaughan wrote:
> Now that I'm running ghostscript-8.54 instead of ghostscript-8.16
> on my build machine, I notice that the output of many of the
> postscript surface tests are rendered a little differently, which
> causes them to fail 11 of 98 tests (with  --disable-pdf to isolate
> them from the previous test failures I reported).

You can also just test the PS surface by saying:

  make check TARGETS=ps

> Maybe it's just a matter of being a little more lenient with the
> number of pixels allowed in the diff?

Probably.  Except for text ones I guess.  Check the failure logs to see
what's the largest pixel difference.  Though, I'm not sure that we still
write out that number now that we use pdiff.

> I can post specific examples if you don't have access to both
> ghostscript-8.16 and ghostscript-8.54.

That may help.

> TIA,
> 	Gary

"Those who would give up Essential Liberty to purchase a little
 Temporary Safety, deserve neither Liberty nor Safety."
        -- Benjamin Franklin, 1759

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