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pullquote.sty
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pullquote.sty
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%%
%% This is file `pullquote.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% pullquote.dtx (with options: `package')
%% ----------------------------------------------------------------
%% pullquote --- make pullquotes with LaTeX
%% E-mail: [email protected]
%% Web: www.docscape.de
%% Released under the LaTeX Project Public License v1.3c or later
%% See http://www.latex-project.org/lppl.txt
%% ----------------------------------------------------------------
%%
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{pullquote}[2012/09/12 v2.0 EXPERIMENTAL package for typesetting pullquotes]
\RequirePackage{etoolbox}
\RequirePackage{environ}
\RequirePackage{keyval}
\newif\ifmicrotype@pq
\microtype@pqtrue
\DeclareOption{nomicrotype}{\microtype@pqfalse}
\newif\ifimgshapes@pq
\imgshapes@pqtrue
\DeclareOption{noimageshapes}{\imgshapes@pqfalse}
\ProcessOptions\relax
\ifmicrotype@pq
\RequirePackage[expansion=alltext]{microtype}
\fi
\ifimgshapes@pq
\RequirePackage{graphicx}
\fi
\newdimen\textcoldist
\textcoldist4mm\relax
\newdimen\objdist
\objdist4mm\relax
\define@key{pq}{textcoldist}{\textcoldist=#1\relax}
\define@key{pq}{objdist}{\objdist=#1\relax}
\define@key{pq}{textcolwd}{\textcolwd=#1\relax}
\define@key{pq}{objvalign}
{%
\ifcsname do@valign@#1@pq\endcsname
\expandafter\let\expandafter\objvalign@pq\csname do@valign@#1@pq\endcsname
\else
\PackageError{pullquote}{Invalid valign}{Only the values
`top', `bottom', `center', or `middle' are valid for key
`valign'. The value you gave
was ignored.}
\fi
}
\define@key{pq}{objvoffset}{\def\objvoffset@pq{#1}}
\define@key{pq}{object}{\def\obj@pq{#1}}
\define@key{pq}{image}{\def\img@pq{#1}}
\define@key{pq}{imageopts}{\def\imgopts@pq{#1}}
\define@key{pq}{shape}{\def\shape@pq{#1}\expandafter\let\expandafter\shapefun@pq\csname#1shapefun\endcsname}
\define@key{pq}{shapefunction}{\def\shape@pq{fun}\let\shapefun@pq#1}
\def\constant@image@pq{image}
\def\constant@pullquote@pq{pullquote}
\newcommand\do@valign@middle@pq
{\numexpr(\pqlines@pq-\objlines@pq)/\tw@\relax}
\newcommand\do@valign@center@pq
{\numexpr(\pqlines@pq-\objlines@pq)/\tw@\relax}
\newcommand\do@valign@top@pq{\z@}
\newcommand\do@valign@bottom@pq
{\numexpr\pqlines@pq-\objlines@pq\relax}
\NewEnviron{pullquote}[1]
{%
\ifx\@currenvir\constant@pullquote@pq
\textcolwd\z@
\let\objvalign@pq\do@valign@middle@pq%
\let\objvoffset@pq\empty
\let\obj@pq\empty
\let\img@pq\empty
\let\imgopts@pq\empty
\let\shape@pq\empty
\let\shapefun@pq\rectangularshapefun
\setkeys{pq}{#1}%
\ifdim\textcolwd=\z@
\textcolwd\dimexpr.5\linewidth-.5\textcoldist\relax
\fi
\ifx\img@pq\empty
\else
\def\obj@pq
{\expandafter\includegraphics\expandafter[\imgopts@pq]{\img@pq}}%
\fi
\ifx\shape@pq\constant@image@pq
\ifimgshapes@pq
\ifx\img@pq\empty
\PackageError{pullquote}{No image given}{You need to
specify an image with the key "image". Your command
was ignored. No output will be generated.}
\else
\@pullquoteimgshape@pq
\fi
\else
\PackageError{pullquote}{Image shapes disabled}{Your command
was ignored. No output will be generated. Try again
without package option "noimageshapes".}
\fi
\else
\ifx\obj@pq\empty
\PackageError{pullquote}{No object given}{You need to give one of
the keys "object" or "image" to specify the object to
insert between columns. Your command
was ignored. No output will be generated.}
\else
\@pullquote@pq
\fi
\fi
\else
\PackageError{pullquote}{pullquote is an environment now}{The
macro \string\pullquote\space does not exist any
more. Please use
\string\begin{pullquote}...\string\end{pullquote}. Your command
was ignored. No output will be generated.}
\fi
}
\newcommand\@pullquote@pq
{%
\clubpenalty=\z@
\widowpenalty=\z@
\splittopskip\dimexpr\baselineskip-\dp\strutbox\relax
\vbadness\maxdimen
\vfuzz\maxdimen
\setbox\objbox@pq
=\hbox{%
\obj@pq%
}%
\typesettext@pq{\BODY}{}%
\pqlines@pq
=\numexpr
\dimexpr\ht\textbox@pq+\dp\textbox@pq\relax
/\baselineskip
/\tw@
\relax
\objlines@pq
=\numexpr
\dimexpr\ht\objbox@pq+\dp\objbox@pq+2\objdist\relax
/\baselineskip
\relax
\windowhextent=\dimexpr.5\wd\objbox@pq+\objdist\relax
\windowvextent=\objlines@pq\baselineskip
\windowqhextent=.5\windowvextent
\ifdim\windowhextent>\windowqhextent
\windowqhextent\windowhextent
\fi
\narrowhsize@pq
=\dimexpr\textcolwd-\windowhextent+.5\textcoldist\relax
\loop
\typeout{trying \the\pqlines@pq\space lines.}%
\objtopoffset@pq
=%
\ifx\empty\objvoffset@pq
\objvalign@pq
\else
\objvoffset@pq\relax
\fi
\global\parshapelines@pq=\numexpr2*\pqlines@pq+\@ne\relax
\xdef\parshape@pq
{%
\number\parshapelines@pq\space
\iterate@mkps@pq{1}{1}%
0pt\space\the\textcolwd\space
}%
\typesettext@pq{\BODY}
{%
\let\o@par@pq\par
\let\par\par@pq
\parshape\parshape@pq
}%
\setbox\columnabox@pq=\vsplit\textbox@pq to \pqlines@pq\baselineskip
\setbox\columnbbox@pq=\vsplit\textbox@pq to \pqlines@pq\baselineskip
\unless\ifvoid\textbox@pq
\@tempcnta
\numexpr
\dimexpr\ht\textbox@pq+\dp\textbox@pq\relax
/\baselineskip
/\tw@
-\@ne
\relax
\ifnum\@tempcnta<\@ne\@tempcnta\@ne\fi
\advance\pqlines@pq\@tempcnta
\repeat
\hbox
{%
\rlap
{%
\hskip
\dimexpr\narrowhsize@pq+\objdist\relax
\raise
\dimexpr
\numexpr\pqlines@pq-\objlines@pq-\objtopoffset@pq\relax
\baselineskip
+.5\dimexpr\windowvextent-\ht\objbox@pq\relax
+.5\dp\objbox@pq
\relax
\box\objbox@pq
}%
\rlap{\box\columnabox@pq}\hskip\textcolwd\hskip\textcoldist\box\columnbbox@pq%
}%
}
\newbox\textbox@pq
\newbox\columnabox@pq
\newbox\columnbbox@pq
\newbox\objbox@pq
\newcount\pqlines@pq
\newcount\parshapelines@pq
\newcount\objlines@pq
\newcount\objtopoffset@pq
\newdimen\textcolwd
\newdimen\windowhextent
\newdimen\windowqhextent
\newdimen\windowvextent
\newdimen\narrowhsize@pq
\newcommand*\parshape@pq{}
\newcommand\typesettext@pq[2]%
{%
\setbox\textbox@pq
=\vbox{%
\hsize\textcolwd
\tolerance9999\relax
\lineskiplimit-\maxdimen
\parskip\z@
#2%
\strut#1%
}%
}%
\newcommand\iterate@mkps@pq[2]%
{%
\ifnumgreater{#1*#2}{2*\pqlines@pq}
{}
{%
\ifnumgreater{#1}{\pqlines@pq}
{\iterate@mkps@pq{1}{2}}
{%
\ifnumgreater{#1}{\objtopoffset@pq}
{%
\ifnumgreater{#1}{\objtopoffset@pq+\objlines@pq}
{0pt\space\the\textcolwd\space}
{%
\ifnumequal{#2}{\@ne}
{%
0pt\space
\the
\dimexpr
\textcolwd+
.5\textcoldist-
\shapefun@pq\@ne
{%
\the\dimexpr
\numexpr#1-\objtopoffset@pq\relax\baselineskip-
\baselineskip
\relax
}
{\numexpr#1-\objtopoffset@pq\relax\baselineskip}%
{\number\numexpr#1-\objtopoffset@pq\relax}%
\relax
\space
}
{%
\expandafter\right@psexpr@pq\expandafter
{%
\the\dimexpr
\shapefun@pq\tw@
{%
\the\dimexpr
\numexpr#1-\objtopoffset@pq\relax\baselineskip-
\baselineskip
\relax
}
{\numexpr#1-\objtopoffset@pq\relax\baselineskip}%
{\number\numexpr#1-\objtopoffset@pq\relax}%
-.5\textcoldist
\relax
}%
}%
}%
}%
{0pt\space\the\textcolwd\space}%
\expandafter\iterate@mkps@pq\expandafter
{\number\numexpr#1+\@ne\relax}{#2}%
}%
}%
}
\newcommand\right@psexpr@pq[1]
{%
#1\space
\the\dimexpr\textcolwd-#1\relax\space
}
\def\par@pq
{%
\o@par@pq
\ifnum\prevgraf<\parshapelines@pq
\global\advance\parshapelines@pq-\prevgraf
\xdef\parshape@pq{\expandafter\gobbleparshapeprefix@pq\parshape@pq}%
\parshape\parshape@pq
\else
\global\parshapelines@pq\z@
\fi
}
\def\gobbleparshapeprefix@pq#1 #2 #3 %
{%
\ifnumgreater{#1}{\parshapelines@pq}
{\expandafter\gobbleparshapeprefix@pq\number\numexpr#1-\@ne\expandafter\relax\space}
{#1 #2 #3 }%
}
\newcommand\rectangularshapefun[4]
{%
\the\windowhextent
}%
\newcommand\circularshapefun[4]
{%
\expandafter\dimmax@pq\expandafter
{%
\the\dimexpr
\expandafter\@circshapefun\expandafter
{%
\the\dimexpr
\ifdim #2>.5\windowvextent
#2-.5\windowvextent
\else
.5\windowvextent-#2%
\fi
\relax
}%
\expandafter
\relax
\expandafter
}%
\expandafter
{%
\the\dimexpr
\expandafter\@circshapefun\expandafter
{%
\the\dimexpr
\ifdim #3>.5\windowvextent
#3-.5\windowvextent
\else
.5\windowvextent-#3%
\fi
\relax
}%
\relax
}%
}
\newcommand\@circshapefun[1]
{%
\the\dimexpr
\windowqhextent-
.5\dimexpr#1\relax*\dimexpr#1\relax/\windowqhextent-
\dimexpr
\dimexpr0.125\dimexpr#1\relax*\dimexpr#1\relax/\windowqhextent\relax*
\dimexpr#1\relax/\windowqhextent
\relax*
\dimexpr#1\relax/\windowqhextent-
\dimexpr
\dimexpr
\dimexpr
\dimexpr0.0625\dimexpr#1\relax*\dimexpr#1\relax/\windowqhextent\relax*
\dimexpr#1\relax/\windowqhextent
\relax*
\dimexpr#1\relax/\windowqhextent
\relax*
\dimexpr#1\relax/\windowqhextent
\relax*
\dimexpr#1\relax/\windowqhextent-
\dimexpr
\dimexpr
\dimexpr
\dimexpr
\dimexpr
\dimexpr0.0390625\dimexpr#1\relax*\dimexpr#1\relax/\windowqhextent\relax*
\dimexpr#1\relax/\windowqhextent
\relax*
\dimexpr#1\relax/\windowqhextent
\relax*
\dimexpr#1\relax/\windowqhextent
\relax*
\dimexpr#1\relax/\windowqhextent
\relax*
\dimexpr#1\relax/\windowqhextent
\relax*
\dimexpr#1\relax/\windowqhextent
\relax
}%
\newcommand\dimmax@pq[2]
{%
\ifdim#1>#2
#1%
\else
#2%
\fi
}%
\newcount\objrows@pq
\newdimen\objrowwd@pq
\newread\@inputfile@pq
% 2016-08-25 Simon May: Newer versions of ImageMagick seem to output
% “gray(0)” and “gray(255)” instead of “black” and “white”
\def\white@pq{gray(255)}
\def\black@pq{gray(0)}
\newcommand\@pullquoteimgshape@pq
{%
\setbox\objbox@pq=\hbox{\obj@pq}%
\objlines@pq
=\numexpr
\dimexpr\ht\objbox@pq+\dp\objbox@pq+2\objdist\relax
/\baselineskip
\relax
\windowhextent=\dimexpr.5\wd\objbox@pq+\objdist\relax
\windowvextent=\objlines@pq\baselineskip
\@tempdima
\dimexpr
\p@*\wd\objbox@pq/\dimexpr.1\objdist\relax
\relax
\@tempdimb
\dimexpr
\p@*\ht\objbox@pq/\dimexpr(\windowvextent-\ht\objbox@pq)/20\relax
\relax
\objrows@pq\numexpr2*\objlines@pq\relax
\objrowwd@pq\dimexpr2\windowhextent/\objrows@pq\relax
\edef\@tmp
{%
convert \img@pq\space -resize \strip@pt\@tempdima x\strip@pt\@tempdimb! -bordercolor white -border 10x10 -morphology Erode Disk:10.3 -resize
\number\objrows@pq x\number\objlines@pq! -black-threshold
95\@percentchar\space-monochrome \[email protected]
}%
\immediate\write18{\@tmp}%
\typeout{\@tmp}%
\begingroup
\global\expandafter\let\csname pqshapemin:0@pq\endcsname\relax
\global\expandafter\let\csname pqshapemax:0@pq\endcsname\relax
\openin\@inputfile@pq \[email protected]
\loop
\unless\ifeof\@inputfile@pq
\read\@inputfile@pq to \@inputline@pq
\expandafter\expandafter\expandafter\analyse@gridline@pq
\expandafter\@inputline@pq\terminategridline@pq\@nil
\repeat
\closein\@inputfile@pq
\endgroup
\@pullquote@pq
}
\edef\terminategridline@pq{,:)\space\space\space}
\long\def\analyse@gridline@pq#1,#2:#3) #4 #5 #6\@nil%
{%
\ifx\empty#4\empty%
\else%
\def\@tmp{#5}%
\ifx\@tmp\white@pq
\else
\ifnum#1>\objlines@pq
\expandafter\gdef\csname pqshapemax:#2@pq\endcsname{#1}%
\else
\expandafter\ifx\csname pqshapemin:#2@pq\endcsname\relax
\expandafter\gdef\csname pqshapemin:#2@pq\endcsname{#1}%
\fi
\fi
\fi
\global\expandafter\let
\csname pqshapemin:\number\numexpr#2+\@ne @pq\endcsname\relax
\global\expandafter\let
\csname pqshapemax:\number\numexpr#2+\@ne @pq\endcsname\relax
\fi
}%
\newcommand\imageshapefun[4]
{%
\expandafter\@@imgshapefun\expandafter{\the\dimexpr\expandafter\@imgshapefun\expandafter{\number\numexpr#4-\@ne\relax}{#1}\relax}%
}
\newcommand\@imgshapefun[2]
{%
\ifnum#2=\@ne
\expandafter\ifx\csname pqshapemin:#1@pq\endcsname\relax
0pt
\else
\the\dimexpr
\windowhextent-
\csname pqshapemin:#1@pq\endcsname\objrowwd@pq
\relax
\fi
\else
\expandafter\ifx\csname pqshapemax:#1@pq\endcsname\relax
0pt
\else
\the\dimexpr
\numexpr\csname pqshapemax:#1@pq\endcsname+\@ne\relax\objrowwd@pq-
\windowhextent
\relax
\fi
\fi
}
\newcommand\@@imgshapefun[1]
{%
\ifdim#1<.5\textcoldist.5\textcoldist\else#1\fi
}
%%
%% Copyright (C) 2012 by Stephan Lehmke <[email protected]>
%%
%% This work may be distributed and/or modified under the
%% conditions of the LaTeX Project Public License (LPPL), either
%% version 1.3c of this license or (at your option) any later
%% version. The latest version of this license is in the file:
%%
%% http://www.latex-project.org/lppl.txt
%%
%% This work is "maintained" (as per LPPL maintenance status) by
%% Stephan Lehmke.
%%
%% This work consists of the file pullquote.dtx
%% and the derived files pullquote.ins,
%% pullquote.pdf, and
%% pullquote.sty.
%%
%%
%% End of file `pullquote.sty'.