ctextemp_texpower.sty

幻灯片模板

  \newcommand{\dumpcolorset}[1]%
  {%
    \nonnormalwarnings@TP{Dumping color set #1}% Output a warning for every color not in the normal variant.
    \replacecolors@TP{#1}{}{}{}%                 Dump normal variant (hopefully).
    \replacecolors@TP{#1}{d}{}{d}%               Dump dimmed variant.
    \replacecolors@TP{#1}{e}{}{e}%               Dump enhanced variant.
    }%


  % Commands for color variants.

  \newcommand{\registervariant@TP}[2]%           Remember which variant a color is currently in.
  {\expandafter\def\csname cvar@#1@TP\endcsname{#2}}

  \newcommand{\register@normalvariant@TP}[1]%    Register that a color is now in the normal variant.
  {\registervariant@TP{#1}{}}

  \newcommand{\currentvariant@TP}[1]%            Return the current variant of a color.
  {\csname cvar@#1@TP\endcsname}
  
  \newcommand{\ifnormalvariant@TP}[3]%           Conditional for checking whether a color is in the normal variant.
  {\ifthenelse{\equal{\currentvariant@TP{#1}}{}}{#2}{#3}}
  
  \newcommand{\nonnormalwarnings@TP}[1]%         Checks the current variant for every standard color and gives a warning
  {%                                             if it's not the normal one.
    \def\processme@TP##1%
    {%
      \ifnormalvariant@TP{##1}{}
      {%
        \PackageWarning{texpower}
        {#1\MessageBreak when color ##1 is in \currentvariant@TP{##1} variant}%
        }%
      }%
    \colors@TP
    }
  

  % Default dim level for automatic color dimming.
  \newcommand{\dimlevel}{.7}

  % \dimcolor[<level>]{<color>} dims the color named <color>. It checks whether an explicit `dimmed' variant d<color>
  % exists. If yes, <color> is replaced by d<color>. Otherwise, the dimmed color is calculated by interpolating between
  % pagecolor and <color>. The parameter for \colorbetween is given by the optional argument <level> (default:
  % \dimlevel). 
  \newcommand{\dimcolor}[2][\dimlevel]
  {%
    \ifnormalvariant@TP{#2}%            Color in the normal variant?
    {% Yes.
      \registervariant@TP{#2}{d}%       Register dimmed variant.
      \ifcolorexists@TP{d#2}%           Dedicated dimmed color found?
      {\replacecolor{#2}{d#2}}%         Yes. use that one.
      {\colorbetween[#1]{#2}{pagecolor}{#2}}% No. Dim numerically using \colorbetween.
      }%
    {}% No. Do nothing.
    }

  % \dimcolors[<level>] dims all standard colors using \dimcolor. See the description of \dimcolor for details.
  \newcommand{\dimcolors}[1][\dimlevel]
  {%
    \def\processme@TP##1{\dimcolor[#1]{##1}}%
    \colors@TP
    }%
  

  % Default enhance level for automatic color enhancing.
  \newcommand{\enhancelevel}{.5}

  % \enhancecolor[<level>]{<color>} enhances the color named <color>. It checks whether an explicit `enhanced' variant
  % e<color> exists. If yes, <color> is replaced by e<color>. Otherwise, the enhanced color is calculated by
  % `extrapolating' from pagecolor and <color>. The parameter for \colorbetween is given by the optional argument
  % <level> (default: \enhancelevel).  
  \newcommand{\enhancecolor}[2][\enhancelevel]
  {%
    \ifnormalvariant@TP{#2}%            Color in the normal variant?
    {%
      \registervariant@TP{#2}{e}%       Register enhanced variant.
      \ifcolorexists@TP{e#2}%           Dedicated enhanced color found?
      {\replacecolor{#2}{e#2}}%         Yes. use that one.
      {\colorbetween[-#1]{#2}{pagecolor}{#2}}% No. Enhance numerically using \colorbetween.
      }%
    {}%
    }%

  % \enhancecolors[<level>] enhances all standard colors using \enhancecolor. See the description of \enhancecolor for
  % details. 
  \newcommand{\enhancecolors}[1][\enhancelevel]
  {%
    \def\processme@TP##1{\enhancecolor[#1]{##1}}%
    \colors@TP
    }%


  \newcommand{\replacecolorsbyone@TP}[2]%            Replace all colors from the current color set by a single color.
  {%
    \def\processme@TP##1{\replacecolor{#1##1}{#2}}%
    \colors@TP
    }

  % The color used to make things `vanish'.
  \newcommand{\vanishcolor}{pagecolor}

  % \vanishcolors replaces all standard colors by \vanishcolor.
  \newcommand{\vanishcolors}[1][\vanishcolor]{\replacecolorsbyone@TP{}{#1}}


  % TeXPower's predefined color sets and commands to activate them. Redefine in tpcolors.cfg as convenient. 

  \input{tpcolors.cfg}


  % \whitebackground sets the standard colors up for white background.
  \newcommand{\whitebackground}% 
  {%
    \usecolorset{whitebg}%
    }

  % When the whitebackground option (or no background option, but some other color-activating option like colormath) is
  % given, \whitebackground is executed automatically. 
  \ifthenelse{\boolean{whitebackground@TP}}
  {\AtEndOfPackage{\whitebackground}}%                    Execute after texpower.cfg was read (for redefinitions).
  {}

  % \lightbackground sets the standard colors up for `light' background.
  \newcommand{\lightbackground}% 
  {%
    \usecolorset{lightbg}%
    }

  % When the lightbackground option is given, \lightbackground is executed automatically. 
  \ifthenelse{\boolean{lightbackground@TP}}{\AtEndOfPackage{\lightbackground}}{}

  % \darkbackground sets the standard colors up for `dark' background.
  \newcommand{\darkbackground}%
  {%
    \usecolorset{darkbg}%
    }
  
  % Execute \darkbackground automatically if the darkbackground option was given.
  \ifthenelse{\boolean{darkbackground@TP}}{\AtEndOfPackage{\darkbackground}}{}

  % \blackbackground sets the standard colors up for black background.
  \newcommand{\blackbackground}%
  {%
    \usecolorset{blackbg}%
    }

  % Execute \blackbackground automatically if the blackbackground option was given.
  \ifthenelse{\boolean{blackbackground@TP}}{\AtEndOfPackage{\blackbackground}}{}

  \ifthenelse{\boolean{TPcolor}}{\AtEndOfPackage{\color{textcolor}\let\default@color\current@color}}{}

  % If TeXPower's color management is active, set page and text color at the beginning of the document.
  \ifthenelse{\boolean{TPcolor}}{\AtBeginDocument{\pagecolor{pagecolor}\color{textcolor}}}{}
  }% matches \ifthenelse{\boolean{TPcolor}}{% Yes.
{% No; provide dummies.
  \let\setcolor@TP=\@gobble%
  \newcommand{\@replacecolor@TP}[2][]{}%                                         
  \let\addTPcolor=\@gobble
  \newcommand{\defineTPcolor}[4][]{}%            
  \let\usecolorset=\@gobble
  \let\dumpcolorset=\@gobble
  \newcommand{\dimcolor}[2][]{}
  \newcommand{\dimcolors}[1][]{}
  \newcommand{\enhancecolor}[2][]{}
  \newcommand{\enhancecolors}[1][]{}
  \newcommand{\vanishcolors}[1][]{}
  }


%-----------------------------------------------------------------------------------------------------------------------
% Implementation of the coloremph option.

\ifthenelse{\boolean{coloremph@TP}}%                       Should \emph use color?
{%  Yes;
  \DeclareRobustCommand{\em}%                              Redefine \em.
  {%
    \@nomath\em \color{emcolor}%                           Change color.
    \replacecolor{tmp@TP}{emcolor}%                        Exchange emcolor and altemcolor.
    \replacecolor{emcolor}{altemcolor}%
    \replacecolor{altemcolor}{tmp@TP}%
    }%
  }%
{}% No; keep original definition.


%-----------------------------------------------------------------------------------------------------------------------
% Implementation of the colormath option.
% Note that the following code is quite fragile and contains some modifications of LaTeX internals. Thus it is likely to
% cause trouble, especially in conjunction with other packages modifying the LaTeX kernel. The array package is
% supported, but no explicit support of other packages exists. If you experience strange and inexplicable errors while
% the colormath option is active, first of all try switching it off to see whether anything changes. 
% The implementation of colormath is likely to change several times before the first beta release, so expect backward
% incompatible changes in behaviour.

\ifthenelse{\boolean{colormath@TP}}%                       Should we color math?
{%  Yes.
  \AtBeginDocument
  {%
    % The most basic magical incantation: Color inline math using \everymath. Beware of side effects of this hack.
    \expandafter\everymath\expandafter{\the\everymath\color{mathcolor}}% 
    % Color displayed math by overloading LaTeX's own math environments. Note that this doesn't work for the TeX
    % notation $$, which is deprecated in LaTeX anyway. 
    % Note further that for the eqnarray and eqnarray* environments, the current implementation places the color change
    % command OUTSIDE the math environment (for technical reasons; maybe this can be remedied by a more sophisticated
    % implementation), which will almost invariably lead to unwanted extra vertical space before and after equation
    % arrays. Currently there is no clean remedy, apart from using amsmath's align environment.
    \let\o@dm@TP=\[%                                      Save the original definitions of begin and end macros for 
    \let\o@enddm@TP=\]%                                   LaTeX's displayed math environments.
    \let\o@eqa@TP=\eqnarray%
    \let\o@endeqa@TP=\endeqnarray%
    \expandafter\let\expandafter\o@eqastar@TP\csname eqnarray*\endcsname%
    \expandafter\let\expandafter\o@endeqastar@TP\csname endeqnarray*\endcsname%
    \def\[{\o@dm@TP\begingroup\color{mathcolor}}%         Redefine the begin and end macros for LaTeX's displayed math
    \def\]{\endgroup\o@enddm@TP}%                         environments, adding the color change commands and an extra
    \def\eqnarray{\begingroup\color{mathcolor}\o@eqa@TP}% level of grouping.
    \def\endeqnarray{\o@endeqa@TP\endgroup\@ignoretrue}%
    \@namedef{eqnarray*}{\begingroup\color{mathcolor}\o@eqastar@TP}
    \@namedef{endeqnarray*}{\o@endeqastar@TP\endgroup\@ignoretrue}
    \@ifpackageloaded{amsmath}%                            Amsmath's displayed math environments are covered by the
    {%                                                     \everymath hack because they are `fake' displayed equations.
      \@ifpackagelater{amsmath}{2000/01/15}%                 As amsmath 1.x redefines the equation environment to be a 
      {%                                                     variant of gather, treating it as a displayed math 
        \let\o@eq@TP=\equation%                              environment would lead to problems, so this redefinition is 
        \let\o@endeq@TP=\endequation%                        made only if amsmath 1.x is not loaded.
        \def\equation{\o@eq@TP\begingroup\color{mathcolor}}% 
        \def\endequation{\endgroup\everymath{}\o@endeq@TP}%  
      }%
    {}%
    }%
  {%
    \let\o@eq@TP=\equation%                   
    \let\o@endeq@TP=\endequation%             
    \def\equation{\o@eq@TP\begingroup\color{mathcolor}}% 
    \def\endequation{\endgroup\everymath{}\o@endeq@TP}%  
    }%
  }% matches \AtBeginDocument{
  %
  % Sometimes, a math environment is used for something other than displaying math. The macro \origmath will put its
  % argument in math mode, but turn off coloring. If another math environemt should be nested inside the argument of
  % \origmath, it will be coloured. 
  \newcommand{\origmath}[1]{{\everymath{}\ensuremath{\everymath{\color{mathcolor}}#1}}}%
  %
  % We need to redefine some LaTeX macros which internally use math mode, to make sure that not all tabulars and
  % parboxes are coloured. Note that this can break packages which mess with tabular themselves.
  \renewcommand*\labelitemi{\origmath{\m@th\bullet}}%
  \@ifpackageloaded{array}%                           The array package redefines \@tabular
  {%
    \def\@tabular{%
      \leavevmode
      \hbox \bgroup \everymath{}$\everymath{\color{mathcolor}}\col@sep\tabcolsep \let\d@llarbegin\begingroup % $
      \let\d@llarend\endgroup
      \@tabarray
    }%
    \@ifpackageloaded{colortbl}
    {%
      \def\@classz{\@classx
        \@tempcnta \count@
        \prepnext@tok
        \expandafter\CT@extract\the\toks\@tempcnta\columncolor!\@nil
        \@addtopreamble{%
          \setbox\z@\hbox\bgroup\bgroup
          \ifcase \@chnum
          \hskip\stretch{.5}\kern\z@
          \d@llarbegin
          \insert@column
          \d@llarend\hskip\stretch{.5}\or
          \d@llarbegin \insert@column \d@llarend \hfill \or
          \hfill\kern\z@ \d@llarbegin \insert@column \d@llarend \or
          \@startvcenter
          \@startpbox{\@nextchar}\insert@column \@endpbox $\or % $
          \vtop \@startpbox{\@nextchar}\insert@column \@endpbox \or
          \vbox \@startpbox{\@nextchar}\insert@column \@endpbox
          \fi