[gs-bugs] [Bug 691755] PDF rendering slow with high resolution for printing, especially documents with images and transparency

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Thu Jul 21 15:24:50 UTC 2011


Robin Watts <robin.watts at artifex.com> changed:

           What    |Removed                     |Added
             Status|REOPENED                    |RESOLVED
         Resolution|                            |FIXED

--- Comment #19 from Robin Watts <robin.watts at artifex.com> 2011-07-21 15:24:47 UTC ---
Believed fixed in git commit c9a8f8b.

commit c9a8f8b3b0327bb62fc79cfe93d6bd79f997a2b6
Author: Robin Watts <Robin.Watts at artifex.com>
Date:   Tue Jul 19 20:02:50 2011 +0100

    pdf14 'dirty' rect optimisations.

    Rename 'bbox' to 'dirty' - makes the purpose of the field much clearer.

    Export dirty rectangle pointer in gx_pattern_trans_t structure.

    Remove automatic expansion of 'dirty' rects to full rect boundary.

    Ensure tiling code sets dirty rectangle as expected.

    Remove debugging printfs.

    Testing shows 491 differences. 16 or so real changes (all neutral or
    progressions), but most of them in the cups device. Manual testing
    shows no changes at all - no idea what's going on there.

After this commit stars.pdf renders in 10 minutes at 720dpi on my machine, or 2
and a bit minutes if -dNOINTERPOLATE is used.

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