Bug 690449 - incomplete rendering of PDF
Summary: incomplete rendering of PDF
Status: NOTIFIED FIXED
Alias: None
Product: Ghostscript
Classification: Unclassified
Component: PDF Interpreter (show other bugs)
Version: 8.64
Hardware: PC Windows XP
: P2 normal
Assignee: Alex Cherepanov
URL:
Keywords:
Depends on:
Blocks:
 
Reported: 2009-04-27 04:42 UTC by artifex
Modified: 2011-09-18 21:46 UTC (History)
0 users

See Also:
Customer: 870
Word Size: ---

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Description artifex 2009-04-27 04:42:58 UTC 
the attached file 1.pdf is rendered incomplete when viewing or generating TIFF
with the Ghostscript. The AcrobatReader displays the complete drawing.

The following warning is shown:

Page 1
   **** Warning: File has unbalanced q/Q operators (too many q's)

   **** This file had errors that were repaired or ignored.
   **** The file was produced by:
   **** >>>> PDF Xpansion 5.5.1 <<<<
   **** Please notify the author of the software that produced this
   **** file that it does not conform to Adobe's published PDF
   **** specification.
Comment 1 artifex 2009-04-27 04:43:43 UTC 
Created attachment 4974 [details]
1.pdf
Comment 2 Alex Cherepanov 2009-04-30 10:43:25 UTC 
Ghostscript correctly detects that q/Q operators are not balanced
but does it at the end of the job. We need enforce the balance
for every form stream.
Comment 3 Alex Cherepanov 2009-04-30 20:42:25 UTC 
Check for unbalanced q/Q operators in content streams of PDF forms.
Add missing Q when needed and issue a warning. 

The following patch has been committed as a rev. 9716.
http://ghostscript.com/pipermail/gs-cvs/2009-April/009302.html
Regression testing shows no differences.
Comment 4 Marcos H. Woehrmann 2011-09-18 21:46:55 UTC 
Changing customer bugs that have been resolved more than a year ago to closed.