Merge pull request #66 from rchurchley/colours
Simplify colour theme for easy customization
This commit is contained in:
Matthias Vogelgesang
commit
8505d5ba1d
23
README.md
23
README.md
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@ -40,11 +40,11 @@ presentations, you can run the following command
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#### Package options
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To use any of options below, call them when invoking *mtheme* in the preabmle of
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To use any of options below, call them when invoking *mtheme* in the preamble of
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the slides, i.e.
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```latex
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\usetheme[<options>]{m}
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\usetheme[<options>]{m}
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```
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* The `usetitleprogressbar` option adds a thin progress bar similar to the
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@ -67,6 +67,25 @@ the slides, i.e.
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printed.
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* Option `noslidenumbers` omits slide numbers entirely.
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#### Color customization
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The included `metropolis` color theme is used by default, but its colours can
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be easily changed to suit your tastes. All of the theme's styles are defined
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in terms of three beamer colors:
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- `normal text` (dark fg, light bg)
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- `alerted text` (colored fg, should be visible against dark or light)
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- `example text` (colored fg, should be visible against dark or light)
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An easy way to customize the theme is to redefine these colors using
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```latex
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\setbeamercolor{ ... }{ fg= ... , bg= ... }
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```
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in your preamble. For greater customization, you can redefine any of the other
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colors in `beamercolorthememetropolis`, including `progress bar`.
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#### Title formatting
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@ -3,19 +3,23 @@
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% Copyright 2014 Matthias Vogelgesang
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% Licensed under CC-BY-SA 4.0 International.
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%
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% The initial template comes from the HSRM beamer theme by Benjamin Weiss, which
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% you can find at https://github.com/hsrmbeamertheme/hsrmbeamertheme.
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%
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\ProvidesPackage{beamercolorthememetropolis}
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%}}}
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%{{{ --- Options ----------------------
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% Options
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% =======
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% Option: blockbg
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% applies a gray background to blocks
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\newif\if@beamer@metropolis@blockbg
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\@beamer@metropolis@blockbgfalse
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\DeclareOptionBeamer{blockbg}{\@beamer@metropolis@blockbgtrue}
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\DeclareOptionBeamer{blockbg}{
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\@beamer@metropolis@blockbgtrue
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}
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% Option: ...
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\DeclareOptionBeamer*{%
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\PackageWarning{beamercolorthememetropolis}{Unknown option `\CurrentOption'}%
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@ -23,50 +27,130 @@
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\ProcessOptionsBeamer
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%}}}
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%{{{ --- Colors ---------------------
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% http://paletton.com/#uid=7050t0kkJkJsntwoyp6gYgoddc4
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% Color definitions
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% =================
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%
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% See http://paletton.com/#uid=7050t0kkJkJsntwoyp6gYgoddc4
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%
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\definecolor{mDarkBrown}{HTML}{604c38}
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\definecolor{mDarkTeal}{HTML}{23373b}
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\definecolor{mLightBrown}{HTML}{EB811B}
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\definecolor{mMediumBrown}{HTML}{C87A2F}
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\definecolor{mLightGreen}{HTML}{14B03D}
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\setbeamercolor{palette primary}{fg=mDarkTeal, bg=black!2}
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\setbeamercolor{palette secondary}{fg=white, bg=mDarkTeal}
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\setbeamercolor{palette tertiary}{fg=white, bg=mMediumBrown}
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\setbeamercolor{palette quaternary}{fg=mDarkBrown}
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\setbeamercolor{title}{parent=palette primary}
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\setbeamercolor{subtitle}{parent=palette primary}
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\setbeamercolor{author}{parent=palette primary}
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\setbeamercolor{date}{parent=palette primary}
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\setbeamercolor{institute}{parent=palette primary}
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% Base colors
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% ===========
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%
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% The metropolis color theme is defined in terms of three fundamental styles:
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%
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% - normal text (dark fg, light bg)
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% - alerted text (colored fg, should be visible against dark or light)
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% - example text (colored fg, should be visible against dark or light)
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%
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% An easy way to customize the theme is to redefine these colors using
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%
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% \setbeamercolor{ ... }{ fg= ... , bg= ... }
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%
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% in your preamble.
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%
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\setbeamercolor{section title}{parent=palette primary}
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\setbeamercolor{frametitle}{parent=palette secondary}
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\setbeamercolor{background canvas}{parent=palette primary}
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\setbeamercolor{structure}{fg=mDarkTeal}
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\setbeamercolor{normal text}{%
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fg=mDarkTeal,
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bg=black!2
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}
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\setbeamercolor{normal text}{fg=black!97}
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\setbeamercolor{alerted text}{fg=mLightBrown}
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\setbeamercolor{alerted text}{%
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fg=mLightBrown
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}
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\setbeamercolor{footnote}{fg=mDarkTeal!90}
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\setbeamercolor{footnote mark}{fg=.}
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\setbeamercolor{page number in head/foot}{fg=mDarkTeal}
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\setbeamercolor{example text}{%
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fg=mLightGreen
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}
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% Derived colors
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% ==============
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%
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% These colors are all defined in terms of the above and will update their
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% appearance if `normal text`, `alerted text`, or `example text` is customized.
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%
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% You may also redefine these in your preamble for greater control over the
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% customization. Beamer colors not defined here are inherited from
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% `beamercolorthemedefault.sty`
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%
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% Reset titles and structure to normal text
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\setbeamercolor{titlelike}{use=normal text, parent=normal text}
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\setbeamercolor{structure}{%
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% This would be parent=normal text, but the inheritance is overriden by the
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% explicity color definition for structure in `beamercolorthemedefault.sty`
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fg=normal text.fg
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}
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% Frame titles and `\plain` slides
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\setbeamercolor{frametitle}{use=palette primary, parent=palette primary}
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\setbeamercolor{palette primary}{%
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% The “primary” palette should be used for the most important navigational
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% elements, and possibly of other elements.
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% The metropolis color theme uses it for frame titles and `\plain` slides.
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use=normal text,
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fg=normal text.bg,
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bg=normal text.fg
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}
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% Progress bar and title separator
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\setbeamercolor{title separator}{use=progress bar, parent=progress bar}
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\setbeamercolor{progress bar}{%
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use=alerted text,
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fg=alerted text.fg,
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bg=normal text.bg!50!fg
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}
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% Blocks
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\if@beamer@metropolis@blockbg
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\setbeamercolor{block title}{use=palette primary,parent=palette primary,bg=palette primary.bg!80!fg}
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\setbeamercolor{block title alerted}{use={palette primary,alerted text},parent=palette primary,fg=alerted text.fg,bg=palette primary.bg!80!fg}
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\setbeamercolor{block title example}{use={palette primary,example text},parent=palette primary,fg=example text.fg,bg=palette primary.bg!80!fg}
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\setbeamercolor{block body}{use=block title,parent=normal text,bg=block title.bg!50}
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\setbeamercolor{block body alerted}{use={normal text,block body},parent=normal text,bg=block body.bg}
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\setbeamercolor{block body example}{use={normal text,block body},parent=normal text,bg=block body.bg}
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\setbeamercolor{block title}{%
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use=normal text,
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fg=normal text.fg,
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bg=normal text.bg!80!fg
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}
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\else
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\setbeamercolor{block title}{use=normal text, parent=normal text}
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\fi
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\setbeamercolor{block title alerted}{%
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use={block title, alerted text},
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bg=block title.bg,
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fg=alerted text.fg
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}
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\setbeamercolor{block title example}{%
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use={block title, example text},
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bg=block title.bg,
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fg=example text.fg
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}
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\setbeamercolor{block body alerted}{use=block body, parent=block body}
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\setbeamercolor{block body example}{use=block body, parent=block body}
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\setbeamercolor{block body}{
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use={block title, normal text},
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bg=block title.bg!50!normal text.bg
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}
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% Footnotes
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\setbeamercolor{footnote}{fg=normal text.fg!90}
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\setbeamercolor{footnote mark}{fg=.}
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\mode<all>
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@ -170,7 +170,8 @@
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\fi
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\begin{tikzpicture}
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\draw[alerted text.fg] (0, 0) -- (\textwidth, 0);
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\usebeamercolor{title separator}
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\draw[fg] (0, 0) -- (\textwidth, 0);
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\end{tikzpicture}%
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\vspace*{1em}%
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@ -219,10 +220,10 @@
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\setlength{\progressbar@percent}{%
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#1 * \ratio{\insertframenumber pt}{\inserttotalframenumber pt}%
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}%
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\usebeamercolor{palette primary}
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\begin{tikzpicture}[tight background]
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\draw[fg!50, fill=fg!50] (0,0) rectangle (#1, 0.4pt);
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\draw[alerted text.fg, fill=alerted text.fg] (0,0) rectangle (\progressbar@percent, 0.4pt);
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\usebeamercolor{progress bar}
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\draw[bg, fill=bg] (0,0) rectangle (#1, 0.4pt);
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\draw[fg, fill=fg] (0,0) rectangle (\progressbar@percent, 0.4pt);
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\end{tikzpicture}%
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}
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@ -237,11 +238,16 @@
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\newcommand{\plain}[2][]{%
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\begingroup
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\setbeamercolor{background canvas}{use=palette primary,bg=palette primary.fg}
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\begin{frame}{#1}
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\centering
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\vfill\vspace{1em}\usebeamerfont{section title}\textcolor{white}{\mthemetitleformat{#2}}\vfill
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\end{frame}
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\setbeamercolor{background canvas}{use=palette primary,parent=palette primary}
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\begin{frame}{#1}
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\centering
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\vfill
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\vspace{1em}
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\usebeamercolor[fg]{palette primary}
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\usebeamerfont{section title}
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\mthemetitleformat{#2}
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\vfill
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\end{frame}
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\endgroup
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}
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@ -285,10 +291,7 @@
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\ifbeamer@inframe
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\sectionpage
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\else
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\begingroup
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\setbeamercolor{background canvas}{parent=palette primary}
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\frame[plain]{\sectionpage}
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\endgroup
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\fi
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}
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\fi
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@ -305,7 +308,7 @@
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\usenavigationsymbolstemplate{}
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\setbeamertemplate{footline}
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{%
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\begin{beamercolorbox}[wd=\textwidth,ht=3ex,dp=3ex,leftskip=0.3cm,rightskip=0.3cm]{structure}%
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\begin{beamercolorbox}[wd=\textwidth,ht=3ex,dp=3ex,leftskip=0.3cm,rightskip=0.3cm]{footline}%
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\hfill\usebeamerfont{page number in head/foot}%
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\if@noSlideNumbers%
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%Purposefully left blank to display no slide number.%
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