RE: How to use multiple styles in singlepresentation?

> The solution is a bit tricky and uses if commands.
> Create if with the instruction
> \newif\ifStyleAtrue
> \newif\ifStyleBfalse
> .....
>
> then inside your PPR style put all the styles and color definitions in
> if-then-else structure
> \ifStyleA
> ......
> \fi
> \ifStyleB
> .....
> \fi
>
> When you are writing you presentation you just need to switch the styles
>
> \StyleAfalse
> \StyleBtrue

Creative but unnecessarily cumbersome. Please have a look at my work on
HA-prosper for examples. Basically, the command which uses \NewSlideStyle
can be used to set the new template. And you can have as many templates
in a style as you want. HA-prosper puts these (reserved) commands into
an environment to create things like `wideslide' which temporarily uses
a different template and switches back to the normal template after the
wideslide:
\newcommand{\NormalSlide}[1]{%...
\newcommand{\SpecialSlide}[1]{%...
...
\newcommand{\HAPR@normalSlide}{\NewSlideStyle[9.78cm]{tl}{.77,3}{NormalSlide
}}\newcommand{\HAPR@wideSlide}{\NewSlideStyle[12.3cm]{tl}{-1.4,3}{SpecialSli
de}}
...
\def\wideslide{\@ifnextchar[\@wideslide{\@wideslide[]}}%
\def\@wideslide[#1]#2{%
  \HAPR@wideSlide
  \begin{slide}[#1]{#2}%
}%
\def\endwideslide{\end{slide}\HAPR@normalSlide}%

Now you can do:
\begin{slide}{title}...\end{slide}
and directly after that
\begin{wideslide}{title}...\end{wideslide}
and directly after that
\begin{slide}{title}...\end{slide}

Have a look at my styles for complete codes.

Best,
-Hendri.



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