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Use real transparency for box shadows (fixes issue #161)
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% Copyright 2007 by Till Tantau | ||
% | ||
% This file may be distributed and/or modified | ||
% | ||
% 1. under the LaTeX Project Public License and/or | ||
% 2. under the GNU Public License. | ||
% | ||
% See the file doc/licenses/LICENSE for more details. | ||
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\mode<presentation> | ||
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\useoutertheme{split} | ||
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\setbeamercolor{frametitle}{parent=subsection in head/foot} | ||
\setbeamercolor{frametitle right}{parent=section in head/foot} | ||
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\pgfdeclarehorizontalshading[frametitle.bg,frametitle right.bg]% | ||
{beamer@frametitleshade}{\paperheight} | ||
{% | ||
color(0pt)=(frametitle.bg); | ||
color(\paperwidth)=(frametitle right.bg) | ||
} | ||
\pgfdeclareverticalshading{beamer@topshade}{200cm} | ||
{% | ||
color(0pt)=(pgftransparent!100); | ||
color(8pt)=(pgftransparent!0) | ||
} | ||
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\pgfdeclarefading{beamer@topshadowmask}{\pgfuseshading{beamer@topshade}} | ||
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\addtobeamertemplate{headline} | ||
{} | ||
{% | ||
\vskip0pt | ||
\begin{pgfpicture} | ||
\pgfpathrectangle{\pgfpoint{0pt}{-4pt}}{\pgfpoint{\paperwidth}{4pt}}% | ||
\pgfsetfading{beamer@topshadowmask}{}% | ||
\pgfusepath{fill}% | ||
\end{pgfpicture} | ||
\vskip-2pt | ||
} | ||
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\defbeamertemplate*{frametitle}{shadow theme} | ||
{% | ||
\nointerlineskip% | ||
\vskip-2pt% | ||
\hbox{\leavevmode | ||
\advance\beamer@leftmargin by -12bp% | ||
\advance\beamer@rightmargin by -12bp% | ||
\beamer@tempdim=\textwidth% | ||
\advance\beamer@tempdim by \beamer@leftmargin% | ||
\advance\beamer@tempdim by \beamer@rightmargin% | ||
\hskip-\Gm@lmargin\hbox{% | ||
\setbox\beamer@tempbox=\hbox{% | ||
\begin{minipage}[b]{\paperwidth}% | ||
\vbox{}\vskip-.75ex% | ||
\leftskip0.3cm% | ||
\rightskip0.3cm plus1fil\leavevmode | ||
\insertframetitle% | ||
\ifx\insertframesubtitle\@empty% | ||
\strut\par% | ||
\else | ||
\par{% | ||
\usebeamerfont*{framesubtitle}{% | ||
\usebeamercolor[fg]{framesubtitle}% | ||
\insertframesubtitle}% | ||
\strut\par% | ||
}% | ||
\fi% | ||
\nointerlineskip | ||
\vbox{}% | ||
\end{minipage}% | ||
}% | ||
\beamer@tempdim=\ht\beamer@tempbox% | ||
\advance\beamer@tempdim by 2pt% | ||
\begin{pgfpicture}{0pt}{0pt}{\paperwidth}{\beamer@tempdim} | ||
\begin{pgfscope} | ||
\pgfsetfillcolor{black}% | ||
\pgfpathrectangle{\pgfpoint{0pt}{-4pt}}{\pgfpoint{\paperwidth}{8pt}}% | ||
\pgfsetfading{beamer@topshadowmask}{}% | ||
\pgfusepath{fill}% | ||
\end{pgfscope} | ||
\begin{pgfscope} | ||
\usebeamercolor{frametitle right}% | ||
\pgfpathrectangle{\pgfpointorigin}{\pgfpoint{\paperwidth}{\beamer@tempdim}}% | ||
\pgfusepath{clip}% | ||
\pgftext[left,base]{\pgfuseshading{beamer@frametitleshade}}% | ||
\end{pgfscope} | ||
\end{pgfpicture} | ||
\hskip-\paperwidth% | ||
\box\beamer@tempbox% | ||
}% | ||
\hskip-\Gm@rmargin% | ||
}% | ||
\vskip-2pt | ||
} | ||
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\mode | ||
<all> |