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\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{needspace}[2010/09/12 v1.3d reserve vertical space]
\newcommand{\needspace}[1]{%
\begingroup
\setlength{\dimen@}{#1}%
\vskip\z@\@plus\dimen@
\penalty -100\vskip\z@\@plus -\dimen@
\vskip\dimen@
\penalty 9999%
\vskip -\dimen@
\vskip\z@skip % hide the previous |\vskip| from |\addvspace|
\endgroup
}
\newcommand{\Needspace}{\@ifstar{\@sneedsp@}{\@needsp@}}
\newcommand{\@sneedsp@}[1]{\par \penalty-100\begingroup
\setlength{\dimen@}{#1}%
\dimen@ii\pagegoal \advance\dimen@ii-\pagetotal
\ifdim \dimen@>\dimen@ii
\break
\fi\endgroup}
\newcommand{\@needsp@}[1]{\par \penalty-100\begingroup
\setlength{\dimen@}{#1}%
\dimen@ii\pagegoal \advance\dimen@ii-\pagetotal
\ifdim \dimen@>\dimen@ii
\ifdim \dimen@ii>\z@
\vfil
\fi
\break
\fi\endgroup}
|
