Re: [Texmacs-dev] Pdf marks and Re: adding pdf hyperlink support

[Joris van der Hoeven]

On Fri, Sep 02, 2011 at 08:13:00AM +0100, Sam Liddicott wrote:
> Questions on transparency in the pdfwrite target were recently
> asked. The response was:  "Firstly try using a more recent version
> of Ghostscript, the current version is 9.04 (recently released) and
> addresses both colour and transparency issues over older versions."

I tried with 9.02 on tuesday, and just retried with 9.04 now.

> The complainant (!) tried using 9.04 and still gad some doubts over
> the colours generated, but the gs guys are open to hear of any
> issues and Ken Sharp said: "If you still think the output is 'wrong'
> then I suggest opening a bug at www.bugs.ghostscript.com. Please
> attach the files there and describe the problem as carefully as
> possible, including command lines and platform being used."
> 
> So I guess a sample postscript that demonstrates the problem would
> be welcome.

For instance, the following example found on the web still does not work:

<< /AllowTransparency true >> setdistillerparams
gsave 100 100 translate 0.4 0.7 1
setrgbcolor 40 40 60 60 rectfill
[ /ca .6 /SetTransparency pdfmark
1 0.5 0 setrgbcolor
20 20 60 60 rectfill grestore showpage