On Mon, 23 Apr 2012, Steffen Fritzsche wrote:
> Hi,
>
> I love the IncludePicture command from simple slides but now I've got a
> picture which I want to show stepwise. Therefore I created two pictures a
> simplified version and the full version. I just place them right one after
> the other.
>
> Now it would be perfect if I could force context not to increase the page
> number counter for the second image because in my handout I will only include
> the full picture and at the moment the additional slide is messing up my page
> numbers.
>
> Any suggestions?
I just manually decrement the userpage. Below is the current version of my
experimental stepping macros.
\startmodule complexslides-step-yes
\unprotect
% This module defines two macros:
% \ONLT{count}{...} which displays text on a particular page
% \STEP{count}{...} which displays text from a particular page
% There is also \StartStep {count} ... \StopStep and
% \StartOnly {count} ... \StopOnly version.
% Everything must be nested in a \StartStepping {iterations} ... \StopStepping
\def\complexslides_only#1{\csname complexslides_steps_only_#1\endcsname}
\def\complexslides_step#1{\csname complexslides_steps_step_#1\endcsname}
\def\StartStep#1#2\StopStep{\complexslides_step{#1}{#2}}
\def\StartOnly#1#2\StopOnly{\complexslides_only{#1}{#2}}
\long\def\gobble#1{}
\long\def\oneofone#1{#1}
% TODO: Allow nesting of \StartStepping ... \StopStepping
\def\StartStepping#1#2\StopStepping%
{\dorecurse{#1}{\long\setvalue{complexslides_steps_step_\recurselevel}{\gobble}}%
\dorecurse{#1}{\long\setvalue{complexslides_steps_only_\recurselevel}{\gobble}}%
\pushmacro\ONLY
\pushmacro\STEP
\def\ONLY{\complexslides_only}%
\def\STEP{\complexslides_step}%
\dorecurse{#1}{%
\edef\currentStepLevel{\recurselevel}%
\long\setvalue{complexslides_steps_step_\currentStepLevel}{\oneofone}%
\long\setvalue{complexslides_steps_only_\currentStepLevel}{\oneofone}%
#2%
\setvalue{complexslides_steps_only_\currentStepLevel}{\gobble}%
\page\decrementnumber[userpage]}%
\incrementnumber[userpage]%
\popmacro\ONLY
\popmacro\STEP
}
\def\doifStepelse%
{\doifelse\currentStepLevel}
% To be used in a group
\unexpanded\def\disablesteps
{\def\complexslides_only##1{\gobble}% ##2
\def\complexslides_step##1{\oneofone}%##2
}
\unexpanded\def\SetStep#1#2% i of n
{\dorecurse{#2}{\long\setvalue{complexslides_steps_step_\recurselevel}{\gobble}}%
\dorecurse{#2}{\long\setvalue{complexslides_steps_only_\recurselevel}{\gobble}}%
\edef\currentStepLevel{#1}%
\long\setvalue{complexslides_steps_step_\currentStepLevel}{\oneofone}%
\long\setvalue{complexslides_steps_only_\currentStepLevel}{\oneofone}%
}
\protect
\stopmodule
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