diff options
Diffstat (limited to 'Master/texmf-dist/tex/latex/scalerel')
| -rw-r--r-- | Master/texmf-dist/tex/latex/scalerel/scalerel.sty | 48 |
1 files changed, 29 insertions, 19 deletions
diff --git a/Master/texmf-dist/tex/latex/scalerel/scalerel.sty b/Master/texmf-dist/tex/latex/scalerel/scalerel.sty index cdc424ed316..397f6be945e 100644 --- a/Master/texmf-dist/tex/latex/scalerel/scalerel.sty +++ b/Master/texmf-dist/tex/latex/scalerel/scalerel.sty @@ -1,5 +1,5 @@ \ProvidesPackage{scalerel} -[2014/03/10 v1.6 +[2015/02/18 v1.7 Routines for constrained scaling and stretching of objects, relative to a reference object or in absolute terms] % @@ -35,6 +35,16 @@ % 0.5ex/pt in \scriptscriptstyle). % -Revised/shortened/improved \Isnextbyte. % -Replaced ifthen package calls with etoolbox calls. +% V1.7 -Note that the V1.5 implementation with \mathchoice seemed to +% have made the use of \ignoremathstyle and \discernmathstyle +% vestigial. Thus, \ignoremathstyle was revised to be used +% for the purpose of streamlining package efficiency when +% only textstyle (or displaystyle with \ignoremathstyle[D]) +% processing is required. +% -Fixed use of dot {.} as null argument in \scaleleftright{}{}{} +% and \stretchleftright{}{}{}, which had been causing overflow. +% -Made \hstretch and \vstretch routines more efficient, using +% optional arguments of \scalebox, instead of \scalerel. \usepackage{calc} \usepackage{graphicx} @@ -118,24 +128,20 @@ }% } -\def\bl@nk{\rule{-.01ex}{1ex}} - \newcommand\scaleleftright[4][99in]{% - \if.#2\def\leftarg{\bl@nk}\else\def\leftarg{#2}\fi% - \if.#4\def\rightarg{\bl@nk}\else\def\rightarg{#4}\fi% - \scalerel[#1]{\leftarg}{#3}\scalerel*[#1]{\rightarg}{#3}% + \ifx.#2#3\else\scalerel[#1]{#2}{#3}\fi% + \ifx.#4\else\scalerel*[#1]{#4}{#3}\fi% } \newcommand\stretchleftright[4][10000]{% - \if.#2\def\leftarg{\bl@nk}\else\def\leftarg{#2}\fi% - \if.#4\def\rightarg{\bl@nk}\else\def\rightarg{#4}\fi% - \stretchrel[#1]{\leftarg}{#3}\stretchrel*[#1]{\rightarg}{#3}% + \ifx.#2#3\else\stretchrel[#1]{#2}{#3}\fi% + \ifx.#4\else\stretchrel*[#1]{#4}{#3}\fi% } \newcommand\hstretch[2]{% - \ThisStyle{\stretchrel*{\scalebox{#1}{\@obj{#2}}}{#2}}} + \ThisStyle{\scalebox{#1}[1]{\@obj{#2}}}} \newcommand\vstretch[2]{% - \ThisStyle{\stretchrel*{#2}{\scalebox{#1}{\@obj{#2}}}}} + \ThisStyle{\scalebox{1}[#1]{\@obj{#2}}}} \newcommand\scaleobj[2]{% \ThisStyle{\scalebox{#1}{\@obj{#2}}}} @@ -157,14 +163,6 @@ \fi% } -\let\sv@obj\@obj - -\newcommand\discernmathstyle{\let\@obj\sv@obj} - -% \ignoremathstyle WOULD BE USED RARELY, ONLY IF ONE WANTED TO USE -% DOLLAR ($) DELIMITERS IN THE *MIDDLE* OF A scalerel ARGUMENT -\newcommand\ignoremathstyle{\renewcommand\@obj[1]{$##1$}} - \def\@mstyleD{\displaystyle} \def\@mstyleT{\textstyle} \def\@mstyleS{\scriptstyle} @@ -188,6 +186,18 @@ } % +\let\sv@ThisStyle\ThisStyle + +\newcommand\discernmathstyle{\let\ThisStyle\sv@ThisStyle} + +% \ignoremathstyle WOULD BE USED TO SPEED UP DEEPLY NESTED +% ROUTINES OF scalerel PACKAGE, WHEN LIMITED TO textstyle MATH +\newcommand\ignoremathstyle[1][T]{% + \renewcommand\ThisStyle[1]{% + \edef\m@switch{#1}\LMex=1ex\relax\LMpt=1pt\relax% + \ifmmode\def\@mmode{T}\else\def\@mmode{F}\fi##1}% +} + % THIS CAN REPLACE \isnextbyte IN STRINGSTRINGS PACKAGE % BECAUSE IT WORKS ON CHARS THAT CAN'T BE \edef'ED (\dag, ETC.) \newcommand\Isnextbyte[3][v]{% |