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pgfpages-expansion.tex
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pgfpages-expansion.tex
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\pgfpagesuselayout{2 on 1}
\def\pgfpagesuselayout#1{\pgfutil@ifnextchar[{\pgf@pagelayout{#1}}{\pgf@pagelayout{#1}[]}}
\pgf@pagelayout{2 on 1}[]
\def\pgf@pagelayout#1[#2]{
\csname pgfpages@layoutbefore@#1\endcsname
\setkeys{pgfpagesuselayoutoption}{#2}
\pgfutil@ifundefined{pgfpages@layout@#1}{
\PackageError{pgfpages}{Page layout `#1' undefined.}{}
}
{
\csname pgfpages@layout@#1\endcsname
}
}
\csname pgfpages@layoutbefore@2 on 1\endcsname
\setkeys{pgfpagesuselayoutoption}{}
\csname pgfpages@layout@2 on 1\endcsname
\pgfpagesdeclarelayout{2 on 1}
{
\edef\pgfpageoptionheight{\the\paperwidth} % landscaped by default
\edef\pgfpageoptionwidth{\the\paperheight}
\def\pgfpageoptionborder{0pt}
\def\pgfpageoptionfirstshipout{1}
}
{
\pgfpagesphysicalpageoptions
{%
logical pages=2,%
physical height=\pgfpageoptionheight,%
physical width=\pgfpageoptionwidth,%
current logical shipout=\pgfpageoptionfirstshipout%
}
\ifdim\paperheight>\paperwidth\relax
% put side-by-side
\pgfpageslogicalpageoptions{1}
{%
border shrink=\pgfpageoptionborder,%
resized width=.5\pgfphysicalwidth,%
resized height=\pgfphysicalheight,%
center=\pgfpoint{.25\pgfphysicalwidth}{.5\pgfphysicalheight}%
}%
\pgfpageslogicalpageoptions{2}
{%
border shrink=\pgfpageoptionborder,%
resized width=.5\pgfphysicalwidth,%
resized height=\pgfphysicalheight,%
center=\pgfpoint{.75\pgfphysicalwidth}{.5\pgfphysicalheight}%
}%
\else
% stack on top of one another
\pgfpageslogicalpageoptions{1}
{%
border shrink=\pgfpageoptionborder,%
resized width=\pgfphysicalwidth,%
resized height=.5\pgfphysicalheight,%
center=\pgfpoint{.5\pgfphysicalwidth}{.75\pgfphysicalheight}%
}%
\pgfpageslogicalpageoptions{2}
{%
border shrink=\pgfpageoptionborder,%
resized width=\pgfphysicalwidth,%
resized height=.5\pgfphysicalheight,%
center=\pgfpoint{.5\pgfphysicalwidth}{.25\pgfphysicalheight}%
}%
\fi
}
\newcommand\pgfpagesdeclarelayout[3]{
\expandafter\newcommand\csname pgfpages@layoutbefore@#1\endcsname{#2}
\expandafter\newcommand\csname pgfpages@layout@#1\endcsname{#3}}
\edef\pgfpageoptionheight{\the\paperwidth} % landscaped by default
\edef\pgfpageoptionwidth{\the\paperheight}
\def\pgfpageoptionborder{0pt}
\def\pgfpageoptionfirstshipout{1}
%
\setkeys{pgfpagesuselayoutoption}{}
%
\pgfpagesphysicalpageoptions
{%
logical pages=2,%
physical height=\the\paperwidth,%
physical width=\the\paperheight,%
current logical shipout=1%
}
% put side-by-side
\pgfpageslogicalpageoptions{1}
{%
border shrink=\pgfpageoptionborder,%
resized width=.5\pgfphysicalwidth,%
resized height=\pgfphysicalheight,%
center=\pgfpoint{.25\pgfphysicalwidth}{.5\pgfphysicalheight}%
}%
\pgfpageslogicalpageoptions{2}
{%
border shrink=\pgfpageoptionborder,%
resized width=.5\pgfphysicalwidth,%
resized height=\pgfphysicalheight,%
center=\pgfpoint{.75\pgfphysicalwidth}{.5\pgfphysicalheight}%
}%
\newcommand\pgfpagesphysicalpageoptions[1]{%
\pgf@lastshipout=0\relax%
\pgf@currentshipout=0\relax%
\setkeys{pgfpages@main}{#1}%
\ifnum\pgf@lastshipout=0\relax%not set
\pgf@lastshipout=\pgf@logicalpages%
\fi%
\ifnum\pgf@currentshipout=0\relax%not set
\pgf@currentshipout=\pgf@firstshipout%
\fi%
}
\pgfpagesphysicalpageoptions
{%
logical pages=2,%
physical height=\the\paperwidth,%
physical width=\the\paperheight,%
current logical shipout=1%
}
->
\pgf@lastshipout=0
\pgf@logicalpages=2
\pgfphysicalheight=\the\paperwidth
\pgfphysicalwidth=\the\paperheight
\pgf@currentshipout=1
\pgf@currentshipout=\pgf@firstshipout%
\newcommand\pgfpageslogicalpageoptions[2]{%
\pgf@cpn=#1\relax%
\expandafter\ifx\csname pgfpages@box@#1\endcsname\relax%
\expandafter\newbox\csname pgfpages@box@#1\endcsname%
\edef\pgf@temp{%
\noexpand\pgf@psetcurrent{height}{\the\paperheight}%
\noexpand\pgf@psetcurrent{width}{\the\paperwidth}%
}%
\pgf@temp%
\fi%
\setkeys{pgfpages@page}{#2}%
\pgf@calculateresizes{height}%
\pgf@calculateresizes{width}%
\pgfsetupphysicalpagesizes%
}
\def\pgf@psetcurrent#1#2{\pgf@pset{\the\pgf@cpn}{#1}{#2}}
\def\pgf@pset#1#2#3{\expandafter\def\csname pgfpages@p@#1@#2\endcsname{#3}}
\def\pgf@epsetcurrent#1#2{\pgf@pset{\the\pgf@cpn}{#1}{#2}}
\pgfpageslogicalpageoptions{1}
{%
border shrink=\pgfpageoptionborder,%
resized width=.5\pgfphysicalwidth,%
resized height=\pgfphysicalheight,%
center=\pgfpoint{.25\pgfphysicalwidth}{.5\pgfphysicalheight}%
}%
->
\pgf@cpn=1
\newbox\pgfpages@box@1
\def\pgfpages@p@1@height{\the\paperheight}
\def\pgfpages@p@1@width{\the\paperwidth}
%
\def\pgfpages@p@1@border{0pt}
\def\pgfpages@p@1@rewidth{.5\paperwidth}
\def\pgfpages@p@1@reheight{\paperheight}
\def\pgfpages@p@1@center{\pgfpoint{.25\paperwidth}{.5\paperheight}}
%
% \pgf@calculateresizes{height}%
% ->
% \pgfutil@tempdima=reheight
% \pgfutil@tempdimb=border
% reheight -= 2 border
% b = height
% a /= (height in pt)
% b = 10000pt
% ->
% \pgf@psetcurrent{scale}{h scale in pt}
% ->
\pgf@pset{1}{scale}{h scale in pt}
\def\pgfpages@p@1@scale{h scale in pt}
%
\pgf@calculateresizes{width}%
\pgfsetupphysicalpagesizes%