[gs-bugs] [Bug 690189] Transparent parts of GIFs embedded in PDFs come out black

bugs.ghostscript.com-bugzilla-daemon at ghostscript.com bugs.ghostscript.com-bugzilla-daemon at ghostscript.com
Tue Feb 3 10:01:22 PST 2009


http://bugs.ghostscript.com/show_bug.cgi?id=690189

ray.johnston at artifex.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |michael.vrhel at artifex.com



------- Additional Comments From ray.johnston at artifex.com  2009-02-03 10:01 -------
The following 'patch' hack forces the 'usestransparency' true when the Pattern
is seen in the resources. With this, the pdf14 device _IS_ installed and I
see begin/end transparency_mask and begin/end transparency_group, etc. but
the output is till wrong. I am cc'ing Michael in so he can start on the next
problem (while Alex is fixing the PDF interpreter).

*** Resource/Init/pdf_main.ps Thu Jan 15 09:22:54 2009
--- ./pdf_main.ps Tue Feb  3 09:49:46 2009
***************
*** 1661,1666 ****
--- 1661,1667 ----
        } ifelse
        } forall { pop //true exit } if
      } if
+ dup /Pattern knownoget { pop //true exch pop exit } if
      2 copy //false put             % Visited but not in the current chain.
      pop //false exit
    } loop



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