On Oct 3, 2011, at 8:57 AM, Stephen Moye wrote:
> The following minimum example shows the problem: I would like to generate
> some text in random colors and specify the opacity. In the example file
> below, either I get black text with opacity of 50%, or random colors at 100%
> opacity, or one random color for all the text at 50% opacity. Can I have my
> cake and eat it too? That is, can I have random colors *and* control over the
> opacity?
>
> I'm using MacTeX 2011.
>
> Thanks for any insights.
>
> Stephen Moye
>
> %%=====8><-----%%
>
> % !TEX TS-program = XeLaTeX-xdv2pdf
>
> \documentclass{article}
>
> \input random
> \usepackage{xcolor}
> \usepackage{fontspec}
>
> \setmainfont{Helvetica}
>
> \newlength{\huedim}
>
> \newcommand{\randcolor}{%
> \setrandim\huedim{0.0pt}{1.0pt}%
> \definecolor{mycolor}{hsb}{\pointless\huedim,1.0,1.0}%
> \color{mycolor}
> }
>
> \newcommand{\testit}[3]{%
> %%% Uncomment *one* of the following \put commands to see the
> difference:
> %
> %%% This returns only gray:
> %\put(#1,#2){\randcolor\addfontfeature{Opacity=0.5}\color{mycolor}#3}
> %
> %%% This returns only the color first defined:
>
> %\put(#1,#2){\randcolor\addfontfeature{Color=mycolor,Opacity=0.5}\color{mycolor}#3}
> %
> %%% This works as it should, but the opacity is 100%
> %\put(#1,#2){\randcolor\color{mycolor}#3}
> }
>
> \begin{document}
>
> \begin{picture}(100,100)
> \testit{20}{100}{X}
> \testit{30}{90}{y}
> \testit{40}{80}{z}
> \end{picture}
>
> \end{document}
Howdy,
Don't know if this will help but try using the xecolor package. Note that it's
commands have a different name than the xcolor package though.
Good Luck,
Herb Schulz
(herbs at wideopenwest dot com)
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