[gs-bugs] [Bug 692313] New: Image output does not work from "-c {some postscript code}" input

[bugzilla-daemon at ghostscript.com]

http://bugs.ghostscript.com/show_bug.cgi?id=692313

           Summary: Image output does not work from "-c {some postscript
                    code}"  input
           Product: Ghostscript
           Version: 9.02
          Platform: PC
        OS/Version: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: P4
         Component: Other Driver
        AssignedTo: support at artifex.com
        ReportedBy: pipitas at googlemail.com
         QAContact: gs-bugs at ghostscript.com


This command does work and produces an output PDF:

  /usr/bin/gs \
    -o arc-pdfwrite.pdf \
    -sDEVICE=pdfwrite \
    -c "newpath \
        306 400 moveto \
        10 setlinewidth \
        .9 setgray \
        306 400 280 -45 235 arc \
        closepath \
        stroke"

However, this command does NOT work, produces NO output PNG (and also no error
message or warning):

  /usr/bin/gs \
    -o arc-png256.png \
    -sDEVICE=png256 \
    -c "newpath \
        306 400 moveto \
        10 setlinewidth \
        .9 setgray \
        306 400 280 -45 235 arc \
        closepath \
        stroke"
  GPL Ghostscript SVN PRE-RELEASE 9.02 (2011-02-07)
  Copyright (C) 2010 Artifex Software, Inc.  All rights reserved.
  This software comes with NO WARRANTY: see the file PUBLIC for details.

The same is true (no output) for all other image output devices that I've
tested:
 * tiffg4,
 * jpeg,
 * ppm,
 * png16,
 * png16m,
 * png256,
 * png48,
 * pngalpha,
 * pnggray,
 * pngmono.

I'm not sure if what I tried to do is supposed to work at all. However, since
it works with PDF input, I'm inclined to think it should.

Also, if I replace the "-c {postscript code}" input by the PDF file produced by
the first command, it works as expected for all tested devices:

  /usr/bin/gs \
    -o arc-png256.png \
    -sDEVICE=png256 \
     arc-pdfwrite.pdf

Tested with GS v9.02 (released with Ubuntu Natty) and with current Git master
(self-compiled from sources).

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