[gs-bugs] [Bug 690351] PDF does not render on Page #7. Tried on Both Linux and Windows

bugs.ghostscript.com-bugzilla-daemon at ghostscript.com bugs.ghostscript.com-bugzilla-daemon at ghostscript.com
Sat Mar 21 02:36:30 PDT 2009


ken.sharp at artifex.com changed:

           What    |Removed                     |Added
             Status|UNCONFIRMED                 |RESOLVED
         Resolution|                            |INVALID

------- Additional Comments From ken.sharp at artifex.com  2009-03-21 02:36 -------
The PDF file does not 'run just fine' with Acrobat. The offending page generates
an error 'Cannot extract the font JVTZAK+HelveticaNeueLTPro-Lt. Some characters
may not display  or print correctly'. on page 7.

So there's something wrong with the PDF file. However I don't think this is
actually a problem. 

There is an extremely large image (1547x969, 1 component ICC) with interpolate
set to true on that page, and GS seems to be spending a lot of time trying to
render it.

Running with the -dNOINTERPOLATE switch the page displays extremely quickly. So
its simply a quality issue, the GS interpolation is spending a lot of time
trying to interpolate the image for maximum quality. 

While a performance improvement to interpolation would be nice, this is not a bug.

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