new breamer package spot (22sep10)

git-svn-id: svn://tug.org/texlive/trunk@19844 c570f23f-e606-0410-a88d-b1316a301751

1 files changed, 203 insertions, 0 deletions

diff --git a/Master/texmf-dist/tex/latex/spot/spot.sty b/Master/texmf-dist/tex/latex/spot/spot.sty
new file mode 100644
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+++ b/Master/texmf-dist/tex/latex/spot/spot.sty
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+%%
+%% This is file `spot.sty',
+%% generated with the docstrip utility.
+%%
+%% The original source files were:
+%%
+%% spot.dtx  (with options: `package')
+%% 
+%% This is a generated file.
+%% 
+%% Copyright (C) 2010 by Anders Hendrickson <ahendric@cord.edu>
+%% 
+%% This work may be distributed and/or modified under the
+%% conditions of the LaTeX Project Public License, either version 1.3
+%% of this license or (at your option) any later version.
+%% The latest version of this license is in
+%%   http://www.latex-project.org/lppl.txt
+%% and version 1.3 or later is part of all distributions of LaTeX
+%% version 2005/12/01 or later.
+%% 
+\NeedsTeXFormat{LaTeX2e}[1999/12/01]
+\ProvidesPackage{spot}
+    [2010/09/21 v1.0 Spotlight highlighting]
+\RequirePackage{tikz}
+\usetikzlibrary{shapes}
+\usetikzlibrary{fadings}
+\newif\ifspot@beamer
+\@ifundefined{beamer@frameslide}{\spot@beamerfalse}{\spot@beamertrue}
+\let\xa=\expandafter
+\ifspot@beamer
+  \g@addto@macro\beamer@frameslide{\spot@everybeginframe@hook}
+  \let\spot@oldmaterial=\endbeamer@frameslide
+  \def\spot@newmaterial{%
+        \spot@endframe@hook%
+        \gdef\spot@endframe@hook{}%
+        \spot@everyendframe@hook}
+  \xa\xa\xa\def
+  \xa\xa\xa\endbeamer@frameslide
+  \xa\xa\xa{%
+        \xa\spot@newmaterial\spot@oldmaterial}%
+  \def\spot@endframe@hook{}
+  \def\spot@everyendframe@hook{}
+  \def\spot@everybeginframe@hook{}
+  \long\def\AtEndFrame#1{\g@addto@macro\spot@endframe@hook{#1}}
+  \long\def\AtEveryEndFrame#1{\g@addto@macro\spot@everyendframe@hook{#1}}
+  \long\def\AtEveryBeginFrame#1{\g@addto@macro\spot@everybeginframe@hook{#1}}
+\else
+  \RequirePackage{afterpage}
+\fi
+\def\spotlightcolor{spotlightgold}
+\def\setspotlightcolor#1{\xdef\spotlightcolor{#1}}
+\def\resetspotlightcolor{\gdef\spotlightcolor{spotlightgold}}
+\def\spotlightnodeoptions{}
+\def\setspotlightstyle#1{\g@addto@macro\spotlightnodeoptions{#1, }}
+\def\resetspotlightstyle{\gdef\spotlightnodeoptions{}}
+\definecolor{spotlightgold}{RGB}{255,204,51}
+\tikzfading[name=spot@fade,
+            inner color=transparent!0,
+            outer color=transparent!60]
+\newcount\c@spot@spots
+\c@spot@spots=1
+\ifspot@beamer
+  \AtEveryBeginFrame{\global\c@spot@spots=1\relax}
+\else
+  \afterpage{\global\c@spot@spots=1\relax}
+\fi
+\newif\ifspot@star
+\spot@starfalse
+\def\spot{\@ifnextchar*{\spot@star}{\spot@nostar}}
+\def\spot@star#1{\global\spot@startrue\spot@nostar}
+\def\spot@nostar{%
+  \@ifnextchar<{\spot@in}{\spot@in<1->}%
+}
+\def\spot@in<#1>{%
+  \@ifnextchar({\spot@inte<#1>}%
+               {\spot@inte<#1>(spot@dummynode)}%
+}
+\def\spot@inte<#1>(#2){%
+  \@ifnextchar[{\spot@intern<#1>(#2)}{\spot@intern<#1>(#2)[]}%
+}
+\def\spot@intern<#1>(#2)[#3]#4{%
+  \edef\spot@totaloptions{fill=\spotlightcolor, \spotlightnodeoptions, #3}%
+  \xa\spot@internal\xa[\spot@totaloptions]<#1>(#2){#4}%
+}
+\def\spot@internal[#1]<#2>(#3)#4{%
+  \ifspot@beamer%
+    \spot@internal@beamer<#2>(#3)[#1]{#4}%
+  \else%
+    \spot@internal@static<#2>(#3)[#1]{#4}%
+  \fi%
+}
+\def\spot@internal@beamer<#1>(#2)[#3]#4{%
+  \@ifundefined{spot@box@\romannumeral\c@spot@spots}%
+          {\xa\newbox\csname spot@box@\romannumeral\c@spot@spots\endcsname}{}%
+  \ifmmode
+    \global\xa\setbox\csname spot@box@\romannumeral\c@spot@spots\endcsname=\hbox{$#4$}%
+  \else
+    \global\xa\setbox\csname spot@box@\romannumeral\c@spot@spots\endcsname=\hbox{#4}%
+  \fi
+  \xa\let\xa\spot@currentbox\csname spot@box@\romannumeral\c@spot@spots\endcsname%
+  \tikz[remember picture, baseline]{
+    \alt<#1>{\path[use as bounding box]
+                   node[anchor=base, inner sep=0, outer sep=0, opacity=0]
+                   (spot@\romannumeral\c@spot@spots) {\usebox\spot@currentbox};
+             \path (spot@\romannumeral\c@spot@spots)
+                   node[anchor=center, outer sep=0,
+                        shape=ellipse, inner sep=0.5ex,
+                        #3, opacity=0] (#2) {\usebox\spot@currentbox};}
+            {\path node[anchor=base, inner sep=0, outer sep=0, opacity=1]
+                       (#2) {\usebox\spot@currentbox};}
+    }%
+  \alt<#1>{\xa\spot@savepaint\xa{\romannumeral\c@spot@spots}[#3]}%
+          {\AtEndFrame{\rule{0pt}{0pt}}}%
+  \global\advance\c@spot@spots by 1\relax%
+}
+\def\spot@savepaint#1[#2]{%
+  \AtEndFrame{\spot@paintspot(spot@#1)[#2]{\usebox{\csname spot@box@#1\endcsname}}}%
+}
+\def\spot@paintspot(#1)[#2]#3{%
+  \begin{tikzpicture}[remember picture, overlay, baseline]
+      \path (#1) node[anchor=center, outer sep=0,
+                      shape=ellipse, inner sep=0.5ex, text opacity=1,
+                      path fading=spot@fade, text=black, #2] {#3};
+  \end{tikzpicture}%
+}
+\gdef\spot@savedpaintcommands{}
+\def\dospots{%
+  \marginpar{\spot@savedpaintcommands}%
+  \gdef\spot@savedpaintcommands{}%
+}
+\def\dospotsheader{%
+  \spot@savedpaintcommands%
+  \gdef\spot@savedpaintcommands{}%
+}
+\let\dospotsfooter=\dospotsheader
+\def\spot@internal@static<#1>(#2)[#3]#4{%
+  \@ifundefined{spot@box@\romannumeral\c@spot@spots}%
+          {\xa\newbox\csname spot@box@\romannumeral\c@spot@spots\endcsname}{}%
+  \ifmmode
+    \global\xa\setbox\csname spot@box@\romannumeral\c@spot@spots\endcsname=\hbox{$#4$}%
+  \else
+    \global\xa\setbox\csname spot@box@\romannumeral\c@spot@spots\endcsname=\hbox{#4}%
+  \fi
+  \xa\let\xa\spot@currentbox\csname spot@box@\romannumeral\c@spot@spots\endcsname%
+  \tikz[remember picture, baseline]{
+     \path[use as bounding box]
+            node[anchor=base, inner sep=0, outer sep=0, opacity=0]
+            (spot@\romannumeral\c@spot@spots) {\usebox\spot@currentbox};
+     \path (spot@\romannumeral\c@spot@spots)
+             node[anchor=center, inner sep=0, outer sep=0,
+                  shape=ellipse, inner sep=0.5ex,
+                  #3, opacity=0] (#2) {\usebox\spot@currentbox};
+    }%
+  \xa\spot@static@savepaint\xa{\romannumeral\c@spot@spots}[#3]%
+  \global\advance\c@spot@spots by 1\relax%
+  \global\spot@starfalse%
+}
+\def\spot@static@savepaint#1[#2]{%
+  \def\spot@saveit{%
+    \g@addto@macro\spot@savedpaintcommands{%
+      \spot@paintspot(spot@#1)[#2]{\usebox{\csname spot@box@#1\endcsname}}}%
+    \afterpage{\spot@checkforlostspots}%
+  }%
+  \ifspot@star
+    \spot@saveit
+  \else
+    \ifinner
+      \spot@saveit
+    \else
+      \ifmmode
+        \spot@saveit
+      \else
+        \marginpar{\spot@paintspot(spot@#1)[#2]{\usebox{\csname spot@box@#1\endcsname}}}%
+        \dospots
+      \fi
+    \fi
+  \fi
+}
+\def\spot@checkforlostspots{%
+  \def\spot@empty{}%
+  \ifx\spot@savedpaintcommands\spot@empty%
+    \relax%
+  \else%
+    \bgroup
+    \advance\count0 by -1
+    \PackageError{spot}%
+       {A \protect\dospots\space command is missing
+        from page \the\count0.\MessageBreak
+        Some highlighted text will not appear in the output}%
+       {If the last \protect\spot\space command on a
+        page is issued in math mode or a \MessageBreak
+        TeX inner mode (such as a tabular environment),
+        it must be followed by a \MessageBreak
+        \protect\dospots\space command somewhere later
+        on the page, outside such a mode.\MessageBreak
+        You could also put \protect\dospotsheader\space
+        in a header or footer on each page.}
+    \egroup
+  \fi%
+}
+\endinput
+%%
+%% End of file `spot.sty'.