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authorKarl Berry <karl@freefriends.org>2013-03-02 01:12:44 +0000
committerKarl Berry <karl@freefriends.org>2013-03-02 01:12:44 +0000
commit36f9061a512acdc9fa1866e89fa967b0bae3464c (patch)
tree0c6c8dbe8468ef6a3f827f28166fa35c5ef93b99 /Master/texmf-dist/tex/latex/scalerel
parent6b9ce3b95f36f4da56f4ed73515ce224f956e7f5 (diff)
scalerel (28feb13)
git-svn-id: svn://tug.org/texlive/trunk@29261 c570f23f-e606-0410-a88d-b1316a301751
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-rw-r--r--Master/texmf-dist/tex/latex/scalerel/scalerel.sty88
1 files changed, 88 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/latex/scalerel/scalerel.sty b/Master/texmf-dist/tex/latex/scalerel/scalerel.sty
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+\ProvidesPackage{scalerel}[2013/02/27]
+%% Copyright 2013 Steven B. Segletes
+%
+% This work may be distributed and/or modified under the
+% conditions of the LaTeX Project Public License, either version 1.3
+% of this license or (at your option) any later version.
+% The latest version of this license is in
+% http://www.latex-project.org/lppl.txt
+% and version 1.3c or later is part of all distributions of LaTeX
+% version 2005/12/01 or later.
+%
+% This work has the LPPL maintenance status `maintained'.
+%
+% The Current Maintainer of this work is Steven B. Segletes.
+
+\usepackage{calc}
+\usepackage{tikz}
+\global\newlength\thesrwidth
+\global\newlength\thesrheight
+\global\newlength\srblobheight
+\global\newlength\srblobdepth
+\global\newlength\mnxsrwidth
+\newsavebox{\prebox}
+
+\newcommand\scalerel{\@ifstar{\scalerelplain}{\scalerelplus}}
+
+\newcommand\scalerelplain[3][99in]{%
+ \sbox{\prebox}{$#2$}%
+ \setbox0\hbox{$#3$}%
+ \setlength\srblobheight{\ht0+\dp0}%
+ \setlength\srblobdepth{\dp0}%
+ \setbox0\hbox{$#2$}%
+ \setlength\thesrwidth{\wd0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ \setlength\thesrheight{\ht0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ \setlength\mnxsrwidth{#1}%
+ \ifdim\thesrwidth>\mnxsrwidth\setlength\thesrwidth{\mnxsrwidth}\fi%
+ \raisebox{-\srblobdepth+\dp0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ {\resizebox{\thesrwidth}{\thesrheight}{\usebox{\prebox}}}%
+}
+\newcommand\scalerelplus[3][99in]{\scalerelplain[#1]{#2}{#3}#3}
+
+\newcommand\stretchrel{\@ifstar{\stretchrelplain}{\stretchrelplus}}
+
+\newcommand\stretchrelplain[3][10000]{%
+ \sbox{\prebox}{$#2$}%
+ \setbox0\hbox{$#3$}%
+ \setlength\srblobheight{\ht0+\dp0}%
+ \setlength\srblobdepth{\dp0}%
+ \setbox0\hbox{$#2$}%
+ \setlength\thesrwidth{\wd0}%
+ \setlength\thesrheight{\ht0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ \setlength\mnxsrwidth{\thesrheight*100/#1}
+ \ifdim\thesrwidth<\mnxsrwidth\setlength\thesrwidth{\mnxsrwidth}\fi%
+ \raisebox{-\srblobdepth+\dp0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ {\resizebox{\thesrwidth}{\thesrheight}{\usebox{\prebox}}}%
+}
+
+\newcommand\stretchrelplus[3][10000]{\stretchrelplain[#1]{#2}{#3}#3}
+
+\newcommand\scaleto[3][99in]{%
+ \sbox{\prebox}{$#2$}%
+ \setlength\srblobheight{#3}%
+ \setlength\srblobdepth{0pt}%
+ \setbox0\hbox{$#2$}%
+ \setlength\thesrwidth{\wd0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ \setlength\thesrheight{\ht0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ \setlength\mnxsrwidth{#1}%
+ \ifdim\thesrwidth>\mnxsrwidth\setlength\thesrwidth{\mnxsrwidth}\fi%
+ \setlength\srblobdepth{\dp0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ \raisebox{-\srblobdepth+\dp0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ {\resizebox{\thesrwidth}{\thesrheight}{\usebox{\prebox}}}%
+}
+
+\newcommand\stretchto[3][10000]{%
+ \sbox{\prebox}{$#2$}%
+ \setlength\srblobheight{#3}%
+ \setlength\srblobdepth{0pt}%
+ \setbox0\hbox{$#2$}%
+ \setlength\thesrwidth{\wd0}%
+ \setlength\thesrheight{\ht0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ \setlength\mnxsrwidth{\thesrheight*100/#1}
+ \ifdim\thesrwidth<\mnxsrwidth\setlength\thesrwidth{\mnxsrwidth}\fi%
+ \setlength\srblobdepth{\dp0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ \raisebox{-\srblobdepth+\dp0*\ratio{\srblobheight}{\ht0+\dp0}}%
+ {\resizebox{\thesrwidth}{\thesrheight}{\usebox{\prebox}}}%
+}
+
+\endinput