[gs-bugs] [Bug 692617] removing transparencies makes image black

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Thu Oct 20 14:43:31 UTC 2011


--- Comment #3 from Ray Johnston <ray.johnston at artifex.com> 2011-10-20 14:43:30 UTC ---
BTW, there is no -dHaveTransparency=false option.

Did you mean -dNOTRANSPARENCY ??? This option ignores all transparency
commands in the original.pdf, which will give incorrect results if it used

If you were trying to convert original.pdf that had transparency to a PDF that
does not have tranparency, you will want to set -d-dCompatibilityLevel=1.3
since PDF 1.4 is the first version that supports transparency. Then pdfwrite
will 'flatten' the original PDF by rendering the transparency areas as an

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