[gs-bugs] [Bug 691334] New: convert from PDF to JPG does not work with OpenType (otf) fonts

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Fri May 21 18:35:41 UTC 2010


http://bugs.ghostscript.com/show_bug.cgi?id=691334

           Summary: convert from PDF to JPG does not work with OpenType
                    (otf) fonts
           Product: Ghostscript
           Version: 8.70
          Platform: All
        OS/Version: Linux
            Status: NEW
          Severity: normal
          Priority: P4
         Component: PDF Interpreter
        AssignedTo: alex.cherepanov at artifex.com
        ReportedBy: stevena at arnold-software.com
         QAContact: gs-bugs at ghostscript.com
   Estimated Hours: 0.0


Created an attachment (id=6312)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=6312)
Working and non-working PDFs

PDF images that I generate using the PDF::API2 Perl library do not convert to
JPG using the ImageMagick convert command when the PDF uses OpenType (otf)
fonts.  However, the process works fine when using TrueType (ttf) fonts.  The
only difference in the creation of the two files is whether TTF fonts or OTF
fonts are being used; all calls and other code used to create the files are
identical.

Two example PDFs, one that works and one that does not work, are attached.

To connect this report more specifically to Ghostscript, note that the
non-working file cannot be opened with the 'gs' command in X11.  The file
opens, but before the text is displayed, the command errors out.  As you might
expect, the file that does work does open fine using the same gs command in
X11.  The non-working PDF does open fine in all other programs, such as
Acrobat, Preview, PDFPen Pro and others, both on the machine that created the
PDF and other machines.

This failure of the convert command has been tested on both RHEL and Mac OS X
(Snow Leopard) platforms.

Using TrueType fonts, the command works fine:

[ 02:23 PM (352) continuum:thoth ~ ] > convert working.pdf working.jpg 
[ 02:23 PM (353) continuum:thoth ~ ] > ls working.jpg 
working.jpg

But when using OpenType fonts, the command fails as follows:

[ 02:13 PM (339) continuum:thoth ~ ] > convert not_working.pdf not_working.jpg
Error: /undefined in --.execform1--Operand stack:   --dict:6/15(L)--   1   10  
StMeCBB~1274465411   34   --dict:6/6(L)--   --dict:6/6(L)--  
StoneSerifStd-Medium   --dict:11/12(ro)(G)--   --nostringval--  
--dict:8/8(L)--   --dict:15/16(L)--   --dict:15/16(L)--   CIDFontName
Execution stack:
   %interp_exit   .runexec2   --nostringval--   --nostringval--  
--nostringval--   2   %stopped_push   --nostringval--   --nostringval--  
--nostringval--   false   1   %stopped_push   1862   1   3   %oparray_pop  
1861   1   3   %oparray_pop   1845   1   3   %oparray_pop   --nostringval--  
--nostringval--   2   1   1   --nostringval--   %for_pos_int_continue  
--nostringval--   --nostringval--   --nostringval--   --nostringval--  
%array_continue   --nostringval--   false   1   %stopped_push   --nostringval--
  %loop_continue   --nostringval--   20162   --nostringval--   1810   4   11  
%oparray_pop   --nostringval--   false   1   %stopped_push   1809   4   11  
%oparray_pop   --nostringval--   (gstatetype)   --dict:0/0(L)--  
--nostringval--   false   1   %stopped_push   --nostringval--   %loop_continue 
 --nostringval--   --nostringval--   --nostringval--   --nostringval--  
--nostringval--   --nostringval--   %array_continue   --nostringval--  
--nostringval--   --nostringval--
Dictionary stack:
   --dict:1163/1684(ro)(G)--   --dict:1/20(G)--   --dict:75/200(L)--  
--dict:75/200(L)--   --dict:106/127(ro)(G)--   --dict:285/300(ro)(G)--  
--dict:22/25(L)--   --dict:4/6(L)--   --dict:21/40(L)--   --dict:1/1(ro)(G)--  
--dict:1/1(ro)(G)--   --dict:6/15(L)--
Current allocation mode is local
GPL Ghostscript 8.70: Unrecoverable error, exit code 1
convert: Postscript delegate failed `not_working.pdf': No such file or
directory @ pdf.c/ReadPDFImage/634.
convert: missing an image filename `not_working.jpg' @
convert.c/ConvertImageCommand/2838.

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