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%%%%%%%%%%%%%
% %
% Parchment %
% %
%%%%%%%%%%%%%
% ==================================================================
% Code taken from http://www.texample.net/tikz/examples/framed-tikz/
% (just a couple of changes made)
% ==================================================================
\usepackage{framed}
\usetikzlibrary{decorations.pathmorphing,decorations.shapes,calc}
\pgfmathsetseed{1} % To have predictable results
% Define a background layer, in which the parchment shape is drawn
\pgfdeclarelayer{background}
\pgfsetlayers{background,main}
% -------------------------------------------------------
% define styles for the normal border and the torn border
% -------------------------------------------------------
\tikzset{
normal border/.style={lightgray!12, % or: orange!20!black!10, brown!10
decorate, decoration={shape, segment length=0.5cm, amplitude=.7mm}},
torn border/.style={orange!30!black!5, decorate,
decoration={random steps, segment length=.5cm, amplitude=1.7mm}}}
% ----------------------------------------------------------------------
% Macro to draw the shape behind the text, when it fits completly in the
% page
% ----------------------------------------------------------------------
\def\parchmentframe#1{
\tikz{
\node[inner sep=2em] (A) {#1}; % Draw the text of the node
\begin{pgfonlayer}{background} % Draw the shape behind
\fill[normal border]
(A.south east) -- (A.south west) --
(A.north west) -- (A.north east) -- cycle;
\end{pgfonlayer}}}
% -----------------------------------------------------------------
% Macro to draw the shape, when the text will continue in next page
% -----------------------------------------------------------------
\def\parchmentframetop#1{
\tikz{
\node[inner sep=2em] (A) {#1}; % Draw the text of the node
% (inner sep=2em is for the
% inner space of all borders
% (left,right,top and bottom)
% inner ysep=0pt for the top
% and bottom borders)
\begin{pgfonlayer}{background}
\fill[normal border] % Draw the ``complete shape'' behind
(A.south east) -- (A.south west) --
(A.north west) -- (A.north east) -- cycle;
\fill[torn border] % Add the torn lower border
($(A.south east)-(0,.2)$) -- ($(A.south west)-(0,.2)$) --
($(A.south west)+(0,.2)$) -- ($(A.south east)+(0,.2)$) -- cycle;
\end{pgfonlayer}}}
% -------------------------------------------------------------------
% Macro to draw the shape, when the text continues from previous page
% -------------------------------------------------------------------
\def\parchmentframebottom#1{
\tikz{
\node[inner sep=2em] (A) {#1}; % Draw the text of the node
\begin{pgfonlayer}{background}
\fill[normal border] % Draw the ``complete shape'' behind
(A.south east) -- (A.south west) --
(A.north west) -- (A.north east) -- cycle;
\fill[torn border] % Add the torn upper border
($(A.north east)-(0,.2)$) -- ($(A.north west)-(0,.2)$) --
($(A.north west)+(0,.2)$) -- ($(A.north east)+(0,.2)$) -- cycle;
\end{pgfonlayer}}}
% ------------------------------------------------------------------------
% Macro to draw the shape, when both the text continues from previous page
% and it will continue in next page
% ------------------------------------------------------------------------
\def\parchmentframemiddle#1{
\tikz{
\node[inner sep=2em] (A) {#1}; % Draw the text of the node
\begin{pgfonlayer}{background}
\fill[normal border] % Draw the ``complete shape'' behind
(A.south east) -- (A.south west) --
(A.north west) -- (A.north east) -- cycle;
\fill[torn border] % Add the torn lower border
($(A.south east)-(0,.2)$) -- ($(A.south west)-(0,.2)$) --
($(A.south west)+(0,.2)$) -- ($(A.south east)+(0,.2)$) -- cycle;
\fill[torn border] % Add the torn upper border
($(A.north east)-(0,.2)$) -- ($(A.north west)-(0,.2)$) --
($(A.north west)+(0,.2)$) -- ($(A.north east)+(0,.2)$) -- cycle;
\end{pgfonlayer}}}
% ------------------------------------------------------------------------
% Define the environment which puts the frame
% In this case, the environment also accepts an argument with an optional
% title (which defaults to ``Example'', which is typeset in a box overlaid
% on the top border
% ------------------------------------------------------------------------
\newenvironment{parchment}{%[1][Example]{%
\def\FrameCommand{\parchmentframe}%
\def\FirstFrameCommand{\parchmentframetop}%
\def\LastFrameCommand{\parchmentframebottom}%
\def\MidFrameCommand{\parchmentframemiddle}%
\vskip\baselineskip
\MakeFramed {\FrameRestore}}
%\noindent\tikz\node[inner sep=1ex, draw=black!20,fill=white,
% anchor=west, overlay] at (0em, 2em) {\sffamily#1};\par}%
{\endMakeFramed}
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