From e0c6872cf40896c7be36b11dcc744620f10adf1d Mon Sep 17 00:00:00 2001
From: Norbert Preining <norbert@preining.info>
Date: Mon, 2 Sep 2019 13:46:59 +0900
Subject: Initial commit

---
 .../biblatex-ext/biblatex-ext-oasymb-tikz.sty      | 169 +++++++++++++++++++++
 1 file changed, 169 insertions(+)
 create mode 100644 macros/latex/contrib/biblatex-contrib/biblatex-ext/biblatex-ext-oasymb-tikz.sty

(limited to 'macros/latex/contrib/biblatex-contrib/biblatex-ext/biblatex-ext-oasymb-tikz.sty')

diff --git a/macros/latex/contrib/biblatex-contrib/biblatex-ext/biblatex-ext-oasymb-tikz.sty b/macros/latex/contrib/biblatex-contrib/biblatex-ext/biblatex-ext-oasymb-tikz.sty
new file mode 100644
index 0000000000..ec5c3c3cea
--- /dev/null
+++ b/macros/latex/contrib/biblatex-contrib/biblatex-ext/biblatex-ext-oasymb-tikz.sty
@@ -0,0 +1,169 @@
+\ProvidesPackage{biblatex-ext-oasymb-tikz}
+  [2019/08/25 v0.8 open access symbols with TikZ (MW)]
+
+\RequirePackage{etoolbox}
+\RequirePackage{kvoptions}
+
+\protected\def\extblx@oasymb@tikz@error#1#2{%
+  \PackageError{biblatex-ext-oasymb-tikz}{#1}{#2.}}
+
+\protected\def\extblx@oasymb@tikz@warning@noline{%
+  \PackageWarningNoLine{biblatex-ext-oasymb-tikz}}
+
+\let\extblx@oasymb@tikz@warning\extblx@oasymb@tikz@warning@noline
+\AtEndOfPackage{%
+  \protected\def\extblx@oasymb@tikz@warning{%
+    \PackageWarning{biblatex-ext-oasymb-tikz}}}
+
+\RequirePackage{tikz}
+
+% PLoS Open Access symbol based on
+% https://commons.wikimedia.org/wiki/File:Open_Access_logo_PLoS_white.svg
+% public domain/CC0 by PLoS & Wikipedia users Nina, Beao and JakobVoss
+\definecolor{extblx@oasymb@tikz@plos@orange}{HTML}{f68212}
+\newcommand*{\extblx@oasymb@tikz@plos@tikz}{%
+  \begin{tikzpicture}[x=.1pt,y=.1pt]
+    \begin{scope}
+      \clip (06,73) rectangle ++(52,26);
+      \fill[extblx@oasymb@tikz@plos@orange, even odd rule]
+        (32,73) circle[radius=26]
+        (32,73) circle[radius=15];
+    \end{scope}
+    \fill[extblx@oasymb@tikz@plos@orange, even odd rule]
+      (32,32) circle[radius=32]
+      (32,32) circle[radius=21]
+      (32,32) circle[radius= 9];
+    \fill[extblx@oasymb@tikz@plos@orange]
+      (47,47) rectangle ++ (11,26);
+  \end{tikzpicture}%
+}
+
+\newsavebox{\extblx@oasymb@tikz@plos@box}
+\sbox{\extblx@oasymb@tikz@plos@box}{\extblx@oasymb@tikz@plos@tikz}
+\newcommand*{\extblx@oasymb@tikz@plos}{%
+  \usebox{\extblx@oasymb@tikz@plos@box}}
+
+% PLoS symbols is standard
+\newcommand*{\oasymbol}{\extblx@oasymb@tikz@plos}
+
+% Open-Acess.net Open Acess symbol
+% redrawn with TikZ from
+% http://open-access.net/fileadmin/logos/oa.svg
+% public domain according to
+% https://commons.wikimedia.org/wiki/File:Open_access.svg
+% might be covered by open-access.net's overall CC-BY 4.0 license
+% (https://creativecommons.org/licenses/by/4.0/)
+% see https://open-access.net/impressum/
+% the site states no specific conditions for use of the logo
+% other than
+%   "Das Logo der Informationsplattform darf nachgenutzt werden,
+%    gerne mit einem Link zu open-access.net"
+% on https://open-access.net/ueber-uns/
+% see also https://open-access.net/community/materialien/
+% logo by
+% Medien + Design
+% Center for Digital Systems
+% Competence Center for E-Learning and Multimedia
+% Freie Universität Berlin
+\definecolor{extblx@oasymb@tikz@oanet@green}{HTML}{356031}
+\definecolor{extblx@oasymb@tikz@oanet@gold}{HTML}{f9c63a}
+\definecolor{extblx@oasymb@tikz@oanet@intersect}{HTML}{89923a}
+
+\newcommand*{\extblx@oasymb@tikz@oanet@tikz}{%
+  \begin{tikzpicture}[x=1.1pt,y=1.1pt]
+    \fill[extblx@oasymb@tikz@oanet@green, even odd rule]
+      ( 4,4) circle[radius=4.3]
+      ( 4,4) circle[radius=2.7];
+    \begin{scope}
+      \clip % this is *terrible*, but it was the only way I could stop
+            % some viewers from adding thin lines that shouldn't be there
+        (11,4) circle[radius=2.7]
+        -- +(-4.3,-4.3) -- +(-4.3,+4.3) -- +(+4.3,+4.3) -- +(+4.3,-4.3)
+        -- +(-4.3,-4.3);
+      \fill[extblx@oasymb@tikz@oanet@gold, even odd rule]
+        (11,4) ++ (0:4.3) arc (0:300:4.3) -- (11,4) ++ (300:4.3) -- cycle
+        (11,4) ++ (0:2.7) arc (0:300:2.7) -- (11,4) ++ (300:2.7) -- cycle;
+    \end{scope}
+    \begin{scope}
+      \clip                                  ( 4,4) circle[radius=4.3];
+      \fill[extblx@oasymb@tikz@oanet@intersect] (11,4) circle[radius=4.3];
+    \end{scope}
+    \fill[extblx@oasymb@tikz@oanet@gold]
+      (11,4) ++ (2.7,.1) rectangle ++(1.6,-4.1);
+  \end{tikzpicture}%
+}
+
+\newsavebox{\extblx@oasymb@tikz@oanet@box}
+\sbox{\extblx@oasymb@tikz@oanet@box}{\extblx@oasymb@tikz@oanet@tikz}
+\newcommand*{\extblx@oasymb@tikz@oanet}{%
+  \usebox{\extblx@oasymb@tikz@oanet@box}}
+
+\protected\def\extblx@oasymb@tikz@opt@symbol@process#1{%
+  \begingroup
+  \edef\extblx@oasymb@tikz@tempa{\endgroup
+    \noexpand\extblx@oasymb@tikz@opt@symbol@process@i{#1}}%
+  \extblx@oasymb@tikz@tempa}
+
+\def\extblx@oasymb@tikz@opt@symbol@process@i#1{%
+  \ifcsundef{extblx@oasymb@tikz@#1}
+    {\extblx@oasymb@tikz@error
+      {Unknown value\MessageBreak
+       \space\space'#1'\MessageBreak
+       for option 'symbol'}
+      {The symbol '#1' does not exist.\MessageBreak
+       Please consult the documentation for a list of valid options}}
+    {\edef\oasymbol{%
+       \expandonce{\csname extblx@oasymb@tikz@#1\endcsname}}}}
+
+\newrobustcmd*{\DefineTikZOASymbol}{%
+  \extblx@oasymb@tikz@warning{%
+    The command '\string\DefineTikZOASymbol'\MessageBreak
+    is deprecated.\MessageBreak
+    Use '\string\DefineOASymbol' instead.\MessageBreak
+    Using '\string\DefineOASymbol'}%
+  \DefineOASymbol}
+
+\newrobustcmd*{\DefineOASymbol}[1][plos]{%
+  \begingroup
+  \edef\extblx@oasymb@tikz@tempa{\endgroup
+    \noexpand\extblx@oasymb@tikz@DefineOASymbol@i{#1}}%
+  \extblx@oasymb@tikz@tempa}
+
+\protected\def\extblx@oasymb@tikz@DefineOASymbol@i#1{%
+  \ifcsundef{extblx@oasymb@tikz@#1}
+    {\extblx@oasymb@tikz@error
+      {Unknown symbol option\MessageBreak
+       \space\space'#1'}
+      {The symbol '#1' does not exist.\MessageBreak
+       Please consult the documentation for a list of valid options}}
+    {\edef\oasymbol{%
+       \expandonce{\csname extblx@oasymb@tikz@#1\endcsname}}}}
+
+\SetupKeyvalOptions{
+  family=extblx@oasymb@tikz@opt,
+  prefix=extblx@oasymb@tikz@opt@,
+}
+
+\DeclareStringOption[plos]{symbol}
+\DeclareVoidOption{plos}{\csdef{extblx@oasymb@tikz@opt@symbol}{plos}}
+\DeclareVoidOption{oanet}{\csdef{extblx@oasymb@tikz@opt@symbol}{oanet}}
+
+\ProcessKeyvalOptions*
+
+\extblx@oasymb@tikz@opt@symbol@process{%
+  \csuse{extblx@oasymb@tikz@opt@symbol}}
+
+\endinput
+%
+% This file is part of the biblatex-ext bundle.
+% biblatex-ext is released under the LaTeX Project Public License v1.3c
+% or later.
+%
+% A complete list of files included in that package can be found in
+% README.md or - failing that - in ext-standard.bbx.
+%
+% Official releases of this package are on CTAN
+%   https://www.ctan.org/pkg/biblatex-ext
+% development takes place on GitHub
+%   https://github.com/moewew/biblatex-ext
+%
-- 
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