[gs-bugs] [Bug 691471] PDF 1.7 FTS: /unregistered in --run--

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Tue Jul 20 14:01:34 UTC 2010


--- Comment #12 from Ken Sharp <ken.sharp at artifex.com> 2010-07-20 14:01:32 UTC ---
Created an attachment (id=6515)
 --> (http://bugs.ghostscript.com/attachment.cgi?id=6515)
Sample file to exhibit problem

OK, after some effort....

The attached PDF file paints an imagemask (the well known turkey) using a
Pattern colour space. The Pattern paints a very simple RGB image, and applies a
softmask  image in the process.

This does not appear to render correctly (the output is all white in GS), but
you can view it OK in Acrobat 9. This is a generalisation of the case when we
are painting a glyph bitmap using a Pattern space. However in this case there
is no reasonable way to convert the imagemask into a path.

I think the pdf14 code needs to be much smarter in pdf_begin_typed_image, it
can't simply punt it off to the graphics library. (But I could be wrong about

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