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changebarmodified.sty
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changebarmodified.sty
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% changebar.sty, with modifications to work on recent LaTeX
%
% Search for "Modified by" in this file to find all modifications, when they were modified, and why.
%
%%
%% This is file `changebar.sty',
%% generated with the docstrip utility.
%%
%% The original source files were:
%%
%% changebar.dtx (with options: `package')
%% This is a generated file.
%%
%% Copyright (C) 1994-2018 Johannes Braams, All rights reserved.
%%
%% This file was generated from file(s) of the changebar package.
%% --------------------------------------------------------------
%%
%% It 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 1.3 or later is part of all distributions of LaTeX
%% version 2003/12/01 or later.
%%
%% This work has the LPPL maintenance status "maintained".
%%
%% The Current Maintainer of this work is Johannes Braams.
%%
%% This file may only be distributed together with a copy of the
%% changebar package. You may however distribute thechangebar package
%% without such generated files.
%%
%% The list of all files belonging to the changebar package is
%% given in the file `manifest.txt.
%%
%% The list of derived (unpacked) files belonging to the distribution
%% and covered by LPPL is defined by the unpacking scripts (with
%% extension .ins) which are part of the distribution.
%% Copyright 1994-2018 (C) Johannes Braams. All rights reserved.
\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{changebarmodified}
[2018/03/09 v3.6c Indicate changes with marginal bars]
\def\cb@maxpoint{80}
\def\cb@minpoint{1}
\def\cb@nil{0}
\newcount\cb@nextpoint
\cb@nextpoint=\cb@minpoint
\newcount\cb@topleft
\newcount\cb@topright
\newcount\cb@botleft
\newcount\cb@botright
\newcount\cb@cnta
\newcount\cb@cntb
\newdimen\cb@dima
\newdimen\cb@curbarwd
\newcount\cb@page
\newcount\cb@pagecount
\cb@pagecount=0
\def\cb@barsplace{0}
\newif\if@cb@trace
\newif\if@cb@firstcolumn
\def\cb@pdfxy#1#2#3#4#5{}
\newdimen\cb@odd@left
\newdimen\cb@odd@right
\newdimen\cb@even@left
\newdimen\cb@even@right
\def\cb@positions{%
\global\cb@odd@left=\hoffset
\global\cb@even@left\cb@odd@left
\global\advance\cb@odd@left by \oddsidemargin
\global\cb@odd@right\cb@odd@left
\global\advance\cb@odd@right by \textwidth
\global\advance\cb@odd@right by \changebarsep
\global\advance\cb@odd@right by 0.5\changebarwidth
\global\advance\cb@odd@left by -\changebarsep
\global\advance\cb@odd@left by -0.5\changebarwidth
\if@twoside
\global\advance\cb@even@left by \evensidemargin
\global\cb@even@right\cb@even@left
\global\advance\cb@even@left by -\changebarsep
\global\advance\cb@even@left by -0.5\changebarwidth
\global\advance\cb@even@right by \textwidth
\global\advance\cb@even@right by \changebarsep
\global\advance\cb@even@right by 0.5\changebarwidth
\else
\global\let\cb@even@left\cb@odd@left
\global\let\cb@even@right\cb@odd@right
\fi
}
{\catcode`\p=12\catcode`\t=12 \gdef\cb@removedim#1pt{#1}}
\DeclareOption{DVItoLN03}{\global\chardef\cb@driver@setup=0\relax}
\DeclareOption{dvitoln03}{\global\chardef\cb@driver@setup=0\relax}
\DeclareOption{DVItoPS}{\global\chardef\cb@driver@setup=1\relax}
\DeclareOption{dvitops}{\global\chardef\cb@driver@setup=1\relax}
\DeclareOption{DVIps}{\global\chardef\cb@driver@setup=2\relax}
\DeclareOption{dvips}{\global\chardef\cb@driver@setup=2\relax}
\DeclareOption{emTeX}{\global\chardef\cb@driver@setup=3\relax}
\DeclareOption{emtex}{\global\chardef\cb@driver@setup=3\relax}
\DeclareOption{textures}{\global\chardef\cb@driver@setup=4\relax}
\DeclareOption{Textures}{\global\chardef\cb@driver@setup=4\relax}
\DeclareOption{VTeX}{\global\chardef\cb@driver@setup=5\relax}
\DeclareOption{vtex}{\global\chardef\cb@driver@setup=5\relax}
\DeclareOption{PDFTeX}{\cb@pdftexcheck}
\DeclareOption{pdftex}{\cb@pdftexcheck}
\def\cb@pdftexcheck{%
\ifx\pdfsavepos\@undefined\cb@pdftexerror
\else\ifx\pdfoutput\@undefined\cb@pdftexerror
\else\ifnum\pdfoutput>0
\global\chardef\cb@driver@setup=6\relax
\ifx\cb@writexy\@undefined
\newwrite\cb@writexy
\newread\cb@readxy
\immediate\openout\cb@writexy=\jobname.cb2\relax
\fi
\gdef\cb@pdfxy##1##2##3##4##5{%
\immediate\write\cb@writexy{##1.##2p##3,##4,##5}%
\expandafter\gdef\csname cb@##1.##2\endcsname{##3,##4,##5}}
\else\cb@pdftexerror\fi\fi\fi}
\def\cb@pdftexerror{\PackageError
{changebar}%
{PDFTeX option cannot be used}%
{You are using a LaTeX run which does not generate PDF\MessageBreak
or you are using a very old version of PDFTeX}}
\DeclareOption{XeTeX}{\cb@xetexcheck}
\DeclareOption{xetex}{\cb@xetexcheck}
\def\cb@xetexcheck{%
\expandafter\ifx\csname XeTeXrevision\endcsname\@undefined \cb@xetexerror
\else
\global\chardef\cb@driver@setup=7\relax
\ifx\cb@writexy\@undefined
\newwrite\cb@writexy
\newread\cb@readxy
\immediate\openout\cb@writexy=\jobname.cb2\relax
\fi
\gdef\cb@pdfxy##1##2##3##4##5{%
\immediate\write\cb@writexy{##1.##2p##3,##4,##5}%
\expandafter\gdef\csname cb@##1.##2\endcsname{##3,##4,##5}}
\gdef\sec@nd@ftw@##1 ##2{##2}
\fi}
\def\cb@xetexerror{\PackageError
{changebar}%
{XeTeX option cannot be used}%
{You are not using XeLaTeX}}
\DeclareOption{outerbars}{\def\cb@barsplace{1}}
\DeclareOption{innerbars}{\def\cb@barsplace{0}}
\DeclareOption{leftbars}{\def\cb@barsplace{2}}
\DeclareOption{rightbars}{\def\cb@barsplace{3}}
\DeclareOption{traceon}{\@cb@tracetrue}
\DeclareOption{traceoff}{\@cb@tracefalse}
\DeclareOption{tracestacks}{%
\let\cb@trace@stack\cb@@show@stack
\def\cb@trace@push#1{\cb@trace{%
Pushed point \the\cb@topleft\space on \noexpand#1: #1}}%
\def\cb@trace@pop#1{\cb@trace{%
Popped point \the\cb@topleft\space from \noexpand#1: #1}}%
}
\DeclareOption{grey}{%
\def\cb@ps@color{\thechangebargrey\space 100 div setgray}}
\DeclareOption{color}{%
\def\cb@ps@color{\expandafter\c@lor@to@ps\cb@current@color\@@}%
\def\cb@color@pkg{color}}
\DeclareOption{xcolor}{%
\def\cb@ps@color{\expandafter\c@lor@to@ps\cb@current@color\@@}%
\def\cb@color@pkg{xcolor}}
\DeclareOption*{\OptionNotUsed\PackageError
{changebar}%
{Unrecognised option `\CurrentOption'\MessageBreak
known options are dvitoln03, dvitops, dvips,\MessageBreak
emtex, textures, pdftex, vtex and xetex,
grey, color, xcolor,\MessageBreak
outerbars, innerbars, leftbars and rightbars}}
\ifx\VTeXversion\@undefined
\expandafter\ifx\csname XeTeXrevision\endcsname\@undefined
\ifx\pdfoutput\@undefined
\ExecuteOptions{innerbars,traceoff,dvips,grey}
\else
\ifnum\pdfoutput>0
\ExecuteOptions{innerbars,traceoff,pdftex,grey}
\else
\ExecuteOptions{innerbars,traceoff,dvips,grey}
\fi
\fi
\else
\ExecuteOptions{innerbars,traceoff,xetex,grey}
\fi
\else
\ExecuteOptions{innerbars,traceoff,vtex,grey}
\fi
\InputIfFileExists{changebar.cfg}{}{}
\def\cb@@show@stack#1{%
\cb@trace{%
stack status at #1:\MessageBreak
current stack: \cb@currentstack\MessageBreak
\@spaces end stack: \cb@endstack\MessageBreak
\space\space begin stack: \cb@beginstack\MessageBreak
history stack: \cb@historystack
}}
\let\cb@trace@stack\@gobble
\let\cb@trace@push\@gobble
\let\cb@trace@pop\@gobble
\ProcessOptions\relax
\ifx\pdfsavepos\@undefined
\else
\ifx\pdfoutput\@undefined
\else
\ifnum\pdfoutput>0
\global\chardef\cb@driver@setup=6\relax
\fi
\fi
\fi
\newcommand{\cb@trace}[1]{%
\if@cb@trace
\GenericWarning
{(changebar)\@spaces\@spaces}%
{Package changebar: #1\@gobble}%
\fi
}
\if@compatibility
\def\driver#1{%
\bgroup\edef\next{\def\noexpand\tempa{#1}}%
\uppercase\expandafter{\next}%
\def\LN{DVITOLN03}%
\def\DVItoPS{DVITOPS}%
\def\DVIPS{DVIPS}%
\def\emTeX{EMTEX}%
\def\Textures{TEXTURES}%
\def\VTeX{VTEX}%
\def\pdfTeX{PDFTEX}%
\def\xeTeX{XETEX}
\global\chardef\cb@driver@setup=0\relax
\ifx\tempa\LN \global\chardef\cb@driver@setup=0\fi
\ifx\tempa\DVItoPS \global\chardef\cb@driver@setup=1\fi
\ifx\tempa\DVIPS \global\chardef\cb@driver@setup=2\fi
\ifx\tempa\emTeX \global\chardef\cb@driver@setup=3\fi
\ifx\tempa\Textures \global\chardef\cb@driver@setup=4\fi
\ifx\tempa\VTeX \global\chardef\cb@driver@setup=5\fi
\ifx\tempa\pdfTeX \cb@pdftexcheck\fi
\ifx\tempa\xeTeX \cb@xetexcheck\fi
\egroup}
{\def\do{\noexpand\do\noexpand}
\xdef\@preamblecmds{\@preamblecmds \do\driver}
}
\fi
\def\cb@trace@defpoint#1#2{%
\cb@trace{%
defining point \the#1 at position \the#2
\MessageBreak
cb@pagecount: \the\cb@pagecount; page \thepage}}
\def\cb@trace@connect#1#2#3{%
\cb@trace{%
connecting points \the#1 and \the#2; barwidth: \the#3
\MessageBreak
cb@pagecount: \the\cb@pagecount; page \thepage}}
\def\cb@setup@specials{%
\ifcase\cb@driver@setup
\def\cb@defpoint##1##2{%
\special{ln03:defpoint \the##1(\the##2,)}%
\cb@trace@defpoint##1##2}
\def\cb@connect##1##2##3{%
\special{ln03:connect \the##1\space\space \the##2\space \the##3}%
\cb@trace@connect##1##2##3}
\def\cb@resetpoints{%
\special{ln03:resetpoints \cb@minpoint \space\cb@maxpoint}}
\or
\def\cb@defpoint##1##2{%
\special{dvitops: inline
\expandafter\cb@removedim\the##2\space 6.5536 mul\space
/CBarX\the##1\space exch def currentpoint exch pop
/CBarY\the##1\space exch def}%
\cb@trace@defpoint##1##2}
\def\cb@connect##1##2##3{%
\special{dvitops: inline
gsave \cb@ps@color\space
\expandafter\cb@removedim\the##3\space 6.5536 mul\space
CBarX\the##1\space\space CBarY\the##1\space\space moveto
CBarX\the##2\space\space CBarY\the##2\space\space lineto
stroke grestore}%
\cb@trace@connect##1##2##3}
\let\cb@resetpoints\relax
\or
\def\cb@defpoint##1##2{%
\special{ps:
\expandafter\cb@removedim\the##2\space
Resolution\space mul\space 72.27\space div\space
/CBarX\the##1\space exch def currentpoint exch pop
/CBarY\the##1\space exch def}%
\cb@trace@defpoint##1##2}
\def\cb@connect##1##2##3{%
\special{ps:
gsave \cb@ps@color\space
\expandafter\cb@removedim\the##3\space
Resolution\space mul\space 72.27\space div\space
setlinewidth
CBarX\the##1\space\space CBarY\the##1\space\space moveto
CBarX\the##2\space\space CBarY\the##2\space\space lineto
stroke grestore}%
\cb@trace@connect##1##2##3}
\let\cb@resetpoints\relax
\or
\def\cb@defpoint##1##2{%
\special{em:point \the##1,\the##2}%
\cb@trace@defpoint##1##2}
\def\cb@connect##1##2##3{%
\special{em:line \the##1,\the##2,\the##3}%
\cb@trace@connect##1##2##3}
\let\cb@resetpoints\relax
\or
\def\cb@defpoint##1##2{%
\special{postscript 0 0 transform}% leave [x,y] on the stack
\special{rawpostscript
\expandafter\cb@removedim\the##2\space
/CBarX\the##1\space exch def
itransform exch pop
/CBarY\the##1\space exch def}%
\if@cb@trace\cb@trace@defpoint##1##2\fi}
\def\cb@connect##1##2##3{%
\special{rawpostscript
gsave 1 setlinecap \cb@ps@color\space
\expandafter\cb@removedim\the##3\space
setlinewidth
CBarX\the##1\space\space CBarY\the##1\space\space moveto
CBarX\the##2\space\space CBarY\the##2\space\space lineto
stroke grestore}%
\if@cb@trace\cb@trace@connect##1##2##3\fi}
\let\cb@resetpoints\relax
\or
\def\cb@defpoint##1##2{%
\special{pS:
\expandafter\cb@removedim\the##2\space
Resolution\space mul\space 72.27\space div\space
/CBarX\the##1\space exch def currentpoint exch pop
/CBarY\the##1\space exch def}%
\cb@trace@defpoint##1##2}
\def\cb@connect##1##2##3{%
\special{pS:
gsave \cb@ps@color\space
\expandafter\cb@removedim\the##3\space
Resolution\space mul\space 72.27\space div\space
setlinewidth
CBarX\the##1\space\space CBarY\the##1\space\space moveto
CBarX\the##2\space\space CBarY\the##2\space\space lineto
stroke grestore}%
\cb@trace@connect##1##2##3}
\let\cb@resetpoints\relax
\or
\immediate\closeout\cb@writexy
\immediate\openin\cb@readxy=\jobname.cb2\relax
\def\cb@pdfpoints{}
\def\cb@pdfpagenr{0}
\def\cb@findpdfpoint##1##2{%
\edef\cb@temp
{\noexpand\cb@@findpdfpoint{\the##1}{\the##2}}%
\cb@temp
}
\def\cb@@findpdfpoint##1##2{%
\ifnum##2<\cb@pdfpagenr\relax\else
\cb@pdfreadxy{##2}%
\fi
\let\cb@pdfx\relax
\ifx\cb@pdfpoints\@empty\else
\ifnum##2<0\relax
\else
\edef\cb@temp{\noexpand\cb@pdffind{##1}{##2}\cb@pdfpoints\relax{}}%
\cb@temp
\fi
\fi
}
\def\cb@pdffind##1##2##3.##4p##5,##6,##7pt##8\relax##9{%
\def\cb@next{\cb@pdffind{##1}{##2}##8\relax{##9##3.##4p##5,##6,##7pt}}%
\ifnum ##1=##3
\ifnum ##2=##4
\def\cb@pdfx{##5sp}%
\def\cb@pdfy{##6sp}%
\def\cb@pdfz{##7pt}%
\let\cb@next\relax
\gdef\cb@pdfpoints{##9##8}%
\fi
\fi
\ifx\relax##8\relax
\let\cb@next\relax
\fi
\cb@next
}%
\def\cb@pdfreadxy##1{%
\let\cb@next\relax
\ifeof\cb@readxy
\global\let\cb@pdfpagenr\cb@maxpoint
\else
{\endlinechar=-1\read\cb@readxy to\cb@temp
\ifx\cb@temp\@empty\else
\expandafter\cb@pdfparsexy\cb@temp
\ifnum\cb@pdfpg<0\else
\xdef\cb@pdfpoints{\cb@pdfpoints\cb@temp}%
\cb@trace{PDFpoints=\cb@pdfpoints}%
\global\let\cb@pdfpagenr\cb@pdfpg
\fi
\ifnum\cb@pdfpg>##1\else
\global\def\cb@next{\cb@pdfreadxy{##1}}%
\fi
\fi
}%
\fi
\cb@next
}%
\def\cb@pdfparsexy##1.##2p##3,##4,##5pt{%
\def\cb@pdfpg{##2}}%
\def\cb@defpoint##1##2{%
\if@filesw
\begingroup
\edef\point{{\the##1}{\the\cb@pagecount}}%
\let\the=\z@
\pdfsavepos
\edef\cb@temp{\write\@auxout
{\string\cb@pdfxy\point
{\the\pdflastxpos}{\the\pdflastypos}{\the##2}}}%
\cb@temp
\endgroup
\fi
\cb@trace@defpoint##1##2%
}%
\def\cb@cvtpct##1{%
\ifnum##1<0 0\else
\ifnum##1>99 1\else
\ifnum##1<10 0.0\the##1\else
0.\the##1\fi\fi\fi}
\def\cb@connect##1##2##3{%
\cb@findpdfpoint{##1}\cb@pagecount
\ifx\cb@pdfx\relax\cb@rerun
\else
\let\cb@pdftopy\cb@pdfy
\cb@findpdfpoint{##2}\cb@pagecount
\ifx\cb@pdfx\relax\cb@rerun
\else
\begingroup
\cb@dima=\cb@pdfz
\advance\cb@dima by-\cb@pdfx
\advance\cb@dima by1in
\cb@dima=0.996264009963\cb@dima\relax
\ifx\cb@current@color\@undefined
\def\cb@temp{\cb@cvtpct\c@changebargrey}%
\pdfliteral{q \cb@temp\space g \cb@temp\space G}%
\else
\pdfliteral{q \cb@current@color}%
\fi
\edef\cb@temp{\expandafter\cb@removedim\the\cb@dima\space}%
\cb@dima=\cb@pdftopy
\advance\cb@dima-\cb@pdfy\relax
\cb@dima=0.996264009963\cb@dima\relax
##3=0.996264009963##3\relax
\pdfliteral direct{\expandafter\cb@removedim\the##3 w
\cb@temp 0 m
\cb@temp \expandafter\cb@removedim\the\cb@dima\space l S Q}%
\endgroup
\cb@cntb=##1\relax
\ifodd\cb@cntb\advance\cb@cntb 1\else\advance\cb@cntb -1\fi
\cb@findpdfpoint\cb@cntb\cb@pagecount
\cb@cntb=##2\relax
\ifodd\cb@cntb\advance\cb@cntb 1\else\advance\cb@cntb -1\fi
\cb@findpdfpoint\cb@cntb\cb@pagecount
\fi
\fi
\cb@trace@connect##1##2##3%
}%
\gdef\cb@checkPdfxy##1##2##3##4##5{%
\cb@@findpdfpoint{##1}{##2}%
\ifdim##3sp=\cb@pdfx\relax
\ifdim##4sp=\cb@pdfy\relax
\ifdim##5=\cb@pdfz\relax
\else
\cb@error
\fi
\else
\cb@error
\fi
\else
\cb@error
\fi
}
\def\cb@maxpoint{9999999}
\let\cb@resetpoints\relax
\or
\immediate\closeout\cb@writexy
\immediate\openin\cb@readxy=\jobname.cb2\relax
\def\cb@pdfpoints{}
\def\cb@pdfpagenr{0}
\def\cb@findpdfpoint##1##2{%
\edef\cb@temp
{\noexpand\cb@@findpdfpoint{\the##1}{\the##2}}%
\cb@temp
}
\def\pdfliteral##1{\special{pdf:literal ##1}}
\def\cb@@findpdfpoint##1##2{%
\ifnum##2<\cb@pdfpagenr\relax\else
\cb@pdfreadxy{##2}%
\fi
\let\cb@pdfx\relax
\ifx\cb@pdfpoints\@empty\else
\ifnum##2<0\relax
\else
\edef\cb@temp{\noexpand\cb@pdffind{##1}{##2}\cb@pdfpoints\relax{}}%
\cb@temp
\fi
\fi
}
\def\cb@pdffind##1##2##3.##4p##5,##6,##7pt##8\relax##9{%
\def\cb@next{\cb@pdffind{##1}{##2}##8\relax{##9##3.##4p##5,##6,##7pt}}%
\ifnum ##1=##3
\ifnum ##2=##4
\def\cb@pdfx{##5sp}%
\def\cb@pdfy{##6sp}%
\def\cb@pdfz{##7pt}%
\let\cb@next\relax
\gdef\cb@pdfpoints{##9##8}%
\fi
\fi
\ifx\relax##8\relax
\let\cb@next\relax
\fi
\cb@next
}%
\def\cb@pdfreadxy##1{%
\let\cb@next\relax
\ifeof\cb@readxy
\global\let\cb@pdfpagenr\cb@maxpoint
\else
{\endlinechar=-1\read\cb@readxy to\cb@temp
\ifx\cb@temp\@empty\else
\expandafter\cb@pdfparsexy\cb@temp
\ifnum\cb@pdfpg<0\else
\xdef\cb@pdfpoints{\cb@pdfpoints\cb@temp}%
\cb@trace{PDFpoints=\cb@pdfpoints}%
\global\let\cb@pdfpagenr\cb@pdfpg
\fi
\ifnum\cb@pdfpg>##1\else
\global\def\cb@next{\cb@pdfreadxy{##1}}%
\fi
\fi
}%
\fi
\cb@next
}%
\def\cb@pdfparsexy##1.##2p##3,##4,##5pt{%
\def\cb@pdfpg{##2}}%
\def\cb@defpoint##1##2{%
\if@filesw
\begingroup
\edef\point{{\the##1}{\the\cb@pagecount}}%
\let\the=\z@
\pdfsavepos
\edef\cb@temp{\write\@auxout
{\string\cb@pdfxy\point
{\the\pdflastxpos}{\the\pdflastypos}{\the##2}}}%
\cb@temp
\endgroup
\fi
\cb@trace@defpoint##1##2%
}%
\def\cb@cvtpct##1{%
\ifnum##1<0 0\else
\ifnum##1>99 1\else
\ifnum##1<10 0.0\the##1\else
0.\the##1\fi\fi\fi}
\def\cb@pdf@scale{0.996264009963}
\def\cb@connect##1##2##3{%
\cb@findpdfpoint{##1}\cb@pagecount
\ifx\cb@pdfx\relax\cb@rerun
\else
\let\cb@pdftopy\cb@pdfy
\cb@findpdfpoint{##2}\cb@pagecount
\ifx\cb@pdfx\relax\cb@rerun
\else
\begingroup
\cb@dima=\cb@pdfz
\advance\cb@dima by-\cb@pdfx
\advance\cb@dima by1in
\cb@dima=\cb@pdf@scale\cb@dima\relax
\ifx\cb@current@color\@undefined
\def\cb@temp{\cb@cvtpct\c@changebargrey}%
\pdfliteral{q \cb@temp\space g \cb@temp\space G}%
\else
\pdfliteral{q \expandafter\sec@nd@ftw@\cb@current@color\space RG
\expandafter\sec@nd@ftw@\cb@current@color\space rg}%
\fi
\edef\cb@temp{\expandafter\cb@removedim\the\cb@dima\space}%
\cb@dima=\cb@pdftopy
\advance\cb@dima-\cb@pdfy\relax
\cb@dima=\cb@pdf@scale\cb@dima\relax
##3=\cb@pdf@scale##3\relax
\pdfliteral{\expandafter\cb@removedim\the##3 w
\cb@temp 0 m
\cb@temp \expandafter\cb@removedim\the\cb@dima\space l S Q}%
\endgroup
\cb@cntb=##1\relax
\ifodd\cb@cntb\advance\cb@cntb 1\else\advance\cb@cntb -1\fi
\cb@findpdfpoint\cb@cntb\cb@pagecount
\cb@cntb=##2\relax
\ifodd\cb@cntb\advance\cb@cntb 1\else\advance\cb@cntb -1\fi
\cb@findpdfpoint\cb@cntb\cb@pagecount
\fi
\fi
\cb@trace@connect##1##2##3%
}%
\gdef\cb@checkPdfxy##1##2##3##4##5{%
\cb@@findpdfpoint{##1}{##2}%
\ifdim##3sp=\cb@pdfx\relax
\ifdim##4sp=\cb@pdfy\relax
\ifdim##5=\cb@pdfz\relax
\else
\cb@error
\fi
\else
\cb@error
\fi
\else
\cb@error
\fi
}
\def\cb@maxpoint{9999999}
\let\cb@resetpoints\relax
\else
\PackageWarning{Changebar}{changebars not supported in unknown setup}
\def\cb@defpoint##1##2{\cb@trace@defpoint##1##2}
\def\cb@connect##1##2##3{\cb@trace@connect##1##2##3}
\let\cb@resetpoints\relax
\fi
\global\let\cb@setup@specials\relax}
\newcommand*{\cbstart}{\@ifnextchar [%]
{\cb@start}%
{\cb@start[\changebarwidth]}}
\newcommand*{\cbend}{\cb@end}
\newcommand*{\cbdelete}{\@ifnextchar [%]
{\cb@delete}%
{\cb@delete[\deletebarwidth]}}
\def\cb@delete[#1]{\vbox to \z@{\vss\cb@start[#1]\vskip #1\cb@end}}
\newenvironment{changebar}%
{\@ifnextchar [{\cb@start}%
{\cb@start[\changebarwidth]}}%
{\cb@end}
\newcommand*{\nochangebars}{%
\def\cb@start[##1]{}%
\def\cb@delete[##1]{}%
\let\cb@end\relax}
\newlength{\changebarwidth}
\setlength{\changebarwidth}{2pt}
\newlength{\deletebarwidth}
\setlength{\deletebarwidth}{4pt}
\newlength{\changebarsep}
\setlength{\changebarsep}{0.5\marginparsep}
\newcounter{changebargrey}
\setcounter{changebargrey}{65}
\@ifpackagewith{changebar}{\csname cb@color@pkg\endcsname}{%
\RequirePackage{\cb@color@pkg}%
\DeclareRobustCommand\cbcolor{%
\@ifnextchar[\@undeclaredcbcolor\@declaredcbcolor}
\def\@undeclaredcbcolor[#1]#2{%
\begingroup
\color[#1]{#2}%
\global\let\cb@current@color\current@color
\endgroup
\ignorespaces
}
\def\@declaredcbcolor#1{%
\begingroup
\color{#1}%
\global\let\cb@current@color\current@color
\endgroup
\ignorespaces}%
}{%
\def\cbcolor{\@ifnextchar[%]
\@@cbcolor\@cbcolor}%
\def\@@cbcolor[#1]#2{\cb@colwarn\def\@@cbcolor[##1]##2{}}%
\def\@cbcolor#1{\cb@colwarn\def\@cbcolor##1{}}%
\def\cb@colwarn{\PackageWarning{Changebar}%
{You didn't specify the option `color';\MessageBreak
your command \string\cbcolor\space will be ignored}}%
}
\def\cb@start[#1]{%
\cb@topleft=\cb@nextpoint
\cb@curbarwd#1\relax
\cb@push\cb@currentstack
\cb@checkpage\z@
\cb@cnta\cb@pagecount
\cb@pagecount\cb@page\advance\cb@pagecount\m@ne
\ifvmode
\cb@setBeginPoints
\else
\vbox to \z@{%
\vskip -\ht\strutbox
\cb@setBeginPoints
\vskip \ht\strutbox}%
\fi
\cb@pagecount\cb@cnta
\cb@advancePoint}
\def\cb@advancePoint{%
\global\advance\cb@nextpoint by 4\relax
\ifnum\cb@nextpoint>\cb@maxpoint
\global\cb@nextpoint=\cb@minpoint\relax
\fi}
\def\cb@end{%
\cb@trace@stack{end of bar on page \the\c@page}%
\cb@pop\cb@currentstack
\ifnum\cb@topleft=\cb@nil
\PackageWarning{Changebar}%
{Badly nested changebars; Expect erroneous results}%
\else
\cb@checkpage\thr@@
\cb@cnta\cb@pagecount
\cb@pagecount\cb@page\advance\cb@pagecount\m@ne
\ifvmode
\cb@setEndPoints
\else
\vadjust{\cb@setEndPoints}%
\fi
\cb@pagecount\cb@cnta
\fi
\ignorespaces}
\def\cb@checkpage#1{%
\cb@cnta\cb@topleft\relax
\advance\cb@cnta by #1\relax
\cb@cntb\cb@page\relax
\cb@dima\cb@curbarwd\relax
\cb@pop\cb@historystack
\ifnum\cb@topleft=\cb@nil
\else
\cb@FindPageNum
\ifnum\cb@topleft>\cb@maxpoint\else
\cb@cntb\cb@page
\fi
\@whilenum\cb@topleft>\cb@nil\do{%
\cb@push\cb@historystack
\cb@pop\cb@tempstack}%
\fi
\advance\cb@cnta by -#1\relax
\cb@topleft\cb@cnta\relax
\cb@page\cb@cntb\relax
\cb@curbarwd\cb@dima\relax
}
\def\cb@FindPageNum{%
\ifnum\cb@topleft=\cb@cnta
\else
\cb@push\cb@tempstack
\cb@pop\cb@historystack
\ifnum\cb@topleft=\cb@nil
\cb@trace{Ran out of history stack, new changebar?}%
\cb@topleft\cb@maxpoint\advance\cb@topleft\@ne
\else
\expandafter\expandafter\expandafter\cb@FindPageNum
\fi
\fi
}%
\def\cb@setBeginPoints{%
\cb@topright=\cb@topleft\advance\cb@topright by\@ne
\cb@cntb=\cb@pagecount
\divide\cb@cntb by\tw@
\ifodd\cb@cntb
\cb@defpoint\cb@topleft\cb@even@left
\cb@defpoint\cb@topright\cb@even@right
\else
\cb@defpoint\cb@topleft\cb@odd@left
\cb@defpoint\cb@topright\cb@odd@right
\fi
\cb@writeAux\cb@topleft
}
\def\cb@setEndPoints{%
\cb@topright=\cb@topleft\advance\cb@topright by\@ne
\cb@botleft=\cb@topleft\advance\cb@botleft by\tw@
\cb@botright=\cb@topleft\advance\cb@botright by\thr@@
\cb@cntb=\cb@pagecount
\divide\cb@cntb by\tw@
\ifodd\cb@cntb
\cb@defpoint\cb@botleft\cb@even@left
\cb@defpoint\cb@botright\cb@even@right
\else
\cb@defpoint\cb@botleft\cb@odd@left
\cb@defpoint\cb@botright\cb@odd@right
\fi
\cb@writeAux\cb@botright
\edef\cb@leftbar{%
\noexpand\cb@connect{\cb@topleft}{\cb@botleft}{\cb@curbarwd}}%
\edef\cb@rightbar{%
\noexpand\cb@connect{\cb@topright}{\cb@botright}{\cb@curbarwd}}%
\if@twocolumn
\ifodd\cb@pagecount\cb@rightbar\else\cb@leftbar\fi
\else
\ifcase\cb@barsplace
\ifodd\cb@cntb
\cb@rightbar
\else
\if@twoside\cb@leftbar\else\cb@rightbar\fi
\fi
\or
\ifodd\cb@cntb
\cb@leftbar
\else
\if@twoside\cb@rightbar\else\cb@leftbar\fi
\fi
\or
\cb@leftbar
\or
\cb@rightbar
\fi
\fi
}%
\def\cb@writeAux#1{%
\if@filesw
\begingroup
\edef\point{\the#1}%
\edef\level{\the\cb@curbarwd}%
\let\the=\z@
\edef\cb@temp{\write\@auxout
{\string\cb@barpoint{\point}{\the\cb@pagecount}{\level}}}%
\cb@temp
\endgroup
\fi}
\newif\if@cb@pagejump
\def\cb@pagejumplst{-1}
\def\cb@nextpagejump{-1}
\def\cb@pagejump#1{\xdef\cb@pagejumplst{\cb@pagejumplst,#1}}
\def\cb@writepagejump#1{
\cb@cntb=\cb@pagecount
\advance\cb@cntb by#1\relax
\global\setbox\@leftcolumn\vbox to\@colht{%
\edef\cb@temp{\write\@auxout{\string\cb@pagejump{\the\cb@cntb}}}%
\cb@temp
\dimen@ \dp\@leftcolumn
\unvbox \@leftcolumn
\vskip -\dimen@
}%
}
\def\cb@poppagejump#1,#2\relax{%
\gdef\cb@nextpagejump{#1}%
\gdef\cb@pagejumplst{#2}}
\def\cb@checkpagecount{%
\if@twocolumn
\if@firstcolumn
\ifodd\cb@pagecount\global\advance\cb@pagecount by\@ne\fi
\fi
\else
\ifodd\cb@pagecount\global\advance\cb@pagecount by\@ne\fi
\fi
\if@twoside
\cb@cntb=\cb@pagecount
\divide\cb@cntb by\tw@
\advance\cb@cntb by-\c@page
\ifodd\cb@cntb
\if@twocolumn
\if@firstcolumn
\@whilenum\cb@pagecount>\cb@nextpagejump\do{%
\expandafter\cb@poppagejump\cb@pagejumplst\relax}%
\ifnum\cb@pagecount=\cb@nextpagejump
\cb@trace{Page jump: \string\cb@pagecount=\the\cb@pagecount}
\global\advance\cb@pagecount by\tw@
\global\@cb@pagejumptrue
\else
\global\@cb@pagejumpfalse
\fi
\else
\if@cb@pagejump
\cb@writepagejump{-3}%
\fi
\fi
\fi
\else
\if@twocolumn
\if@firstcolumn
\global\advance\cb@pagecount by\tw@
\global\@cb@pagejumpfalse
\else
\if@cb@pagejump
\cb@trace{Page jump annulled, %
\string\cb@pagecount=\the\cb@pagecount}
\else
\cb@writepagejump{-1}%
\global\advance\cb@pagecount by\tw@
\cb@rerun
\fi
\fi
\else
\global\advance\cb@pagecount by\tw@
\fi
\fi
\fi
}
\let\ltx@makecol\@makecol
\def\cb@makecol{%
\if@twocolumn
\cb@trace{Twocolumn: \if@firstcolumn Left \else Right \fi column}%
\fi
\cb@trace@stack{before makecol, page \the\c@page,
\string\cb@pagecount=\the\cb@pagecount}%
\let\cb@writeAux\@gobble
\cb@checkpagecount
\setbox\@cclv \vbox{%
\cb@resetpoints
\cb@startSpanBars
\unvbox\@cclv
\boxmaxdepth\maxdepth}%
\global\advance\cb@pagecount by\@ne
\cb@buildstack\cb@processActive
\ltx@makecol
\if@twocolumn
\global\setbox\@outputbox \vbox to\@colht {%
\if@firstcolumn\write\@auxout{\string\@cb@firstcolumntrue}%
\else\write\@auxout{\string\@cb@firstcolumnfalse}%
\fi
\dimen@ \dp\@outputbox
\unvbox \@outputbox
\vskip -\dimen@
}%
\fi
\cb@trace@stack{after makecol, page \the\c@page,
\string\cb@pagecount=\the\cb@pagecount}%
}
\let\@makecol\cb@makecol
\let\ltx@vtryfc\@vtryfc
\def\cb@vtryfc#1{%
\cb@trace{In vtryfc, page \the\c@page,
\string\cb@pagecount=\the\cb@pagecount}%
\let\cb@writeAux\@gobble
\cb@checkpagecount
\ltx@vtryfc{#1}%
\if@twocolumn
\global\setbox\@outputbox \vbox to\@colht{%
\if@firstcolumn\write\@auxout{\string\@cb@firstcolumntrue}%
\else\write\@auxout{\string\@cb@firstcolumnfalse}%
\fi
\unvbox\@outputbox
\boxmaxdepth\maxdepth
}%
\fi
\global\advance\cb@pagecount by \@ne
}
\let\@vtryfc\cb@vtryfc
\def\cb@processActive{%
\cb@pop\cb@endstack
\ifnum\cb@topleft=\cb@nil
\else
\setbox\@cclv\vbox{%
\unvbox\@cclv
\boxmaxdepth\maxdepth
\advance\cb@pagecount by -1\relax
\cb@setEndPoints}%
\cb@push\cb@historystack
\cb@push\cb@beginstack
\expandafter\cb@processActive
\fi}
\def\cb@startSpanBars{%
\cb@pop\cb@beginstack
\ifnum\cb@topleft=\cb@nil
\else
\cb@setBeginPoints
\cb@trace@stack{after StartSpanBars, page \the\c@page}%
\expandafter\cb@startSpanBars
\fi
}
\def\cb@buildstack{%
\cb@initstack\cb@endstack
\cb@pushNextActive}
\def\cb@pushNextActive{%
\cb@pop\cb@historystack
\ifnum\cb@topleft=\cb@nil
\else
\ifnum\cb@page>\cb@pagecount
\cb@push\cb@historystack
\else
\ifodd\cb@topleft
\cb@push\cb@endstack
\else
\cb@pop\cb@endstack
\fi
\expandafter\expandafter\expandafter\cb@pushNextActive
\fi
\fi}
\def\cb@initstack#1{\xdef#1{}}
\cb@initstack\cb@historystack
\newwrite\cb@write
\newread\cb@read
\immediate\openout\cb@write=\jobname.cb\relax
\cb@initstack\cb@endstack
\cb@initstack\cb@beginstack
\cb@initstack\cb@tempstack
\cb@initstack\cb@currentstack
\def\cb@thehistorystack{\cb@historystack}
\def\cb@pop#1{%
\ifx #1\@empty
\def\cb@temp{#1}%
\ifx\cb@temp\cb@thehistorystack
\ifeof\cb@read
\else
{\endlinechar=-1\read\cb@read to\cb@temp
\xdef\cb@historystack{\cb@historystack\cb@temp}%
}%
\fi
\fi
\fi
\ifx#1\@empty
\global\cb@topleft\cb@nil
\global\cb@page\z@\relax