createspace.sty

\NeedsTeXFormat{LaTeX2e}
\ProvidesPackage{createspace}[2011/05/07 package for typesetting books ready for CreateSpace.com]
%This is createspace.sty LaTeX package for typesetting books ready for CreateSpace.com
%  CreateSpace is trademarks of On-Demand Publishing LLC.,
%  createspace.sty LaTeX package is an independent product and is by no
%  means affiliated with On-Demand Publishing LLC.
%  This package is created and maintained by Andrzej Giniewicz, and is licensed
%  under Creative Commons Attribution-Share Alike 3.0 Unported license
%    ( http://creativecommons.org/licenses/by-sa/3.0/ )
%  following packages are required: xkeyval, geometry, color/xcolor (opt), crop (opt)

\RequirePackage{xkeyval}
\define@choicekey*+{createspace.sty}{size}[\val\nr]{pocket,halfletter,novel,journal,magazine,square,landscape}{\let\createspace@size\nr\let\createspace@sizename\val}{\PackageWarning{createspace}{unknown book size}}
\define@choicekey*+{createspace.sty}{trim}[\val\nr]{0,1,2}[1]{\let\createspace@trim\nr\let\createspace@trimname\val}{\PackageWarning{createspace}{unknown trim option}}
\define@choicekey*+{createspace.sty}{paper}[\val\nr]{white,cream}{\let\createspace@paper\nr\let\createspace@papername\val}{\PackageWarning{createspace}{unknown paper type}}
\define@choicekey*+{createspace.sty}{preview}[\val\nr]{false,a4,letter}[a4]{\let\createspace@preview\nr\let\createspace@previewname\val}{\PackageWarning{createspace}{unknown preview option}}
\define@choicekey*+{createspace.sty}{colourpackage}[\val\nr]{none,color,xcolor}{\let\createspace@colourpackage\nr\let\createspace@colourpackagename\val}{\PackageWarning{createspace}{unknown colourpackage option}}
\define@choicekey*+{createspace.sty}{colorpackage}[\val\nr]{none,color,xcolor}{\let\createspace@colorpackage\nr\let\createspace@colorpackagename\val}{\PackageWarning{createspace}{unknown colorpackage option}}
\define@boolkeys{createspace.sty}[createspace@]{bleed,colour,color}[true]
\define@cmdkeys{createspace.sty}[createspace@]{inner,outer,top,bottom,gutter,geometryextra,customsize}
\presetkeys{createspace.sty}{size=novel,trim=0,paper=white,preview=false,gutter=0.3in,inner=0.5in,outer=0.5in,top=0.5in,bottom=0.5in,geometryextra={twoside,heightrounded,truedimen},colourpackage=xcolor,colorpackage=xcolor}{}
\ProcessOptionsX
\ifcreatespace@color\createspace@colourtrue\fi
\ifcase\createspace@colourpackage\relax\or\or
\let\createspace@colourpackage\createspace@colorpackage
\let\createspace@colourpackagename\createspace@colorpackagename
\fi

\newcommand\createspace@PackageInfo[1]{\typeout{Package createspace Info: #1}\typeout{}}

\newdimen\createspace@l@width
\newdimen\createspace@l@height
\newdimen\createspace@l@gutter
\newdimen\createspace@l@inner
\newdimen\createspace@l@outer
\newdimen\createspace@l@top
\newdimen\createspace@l@bottom
\newdimen\createspace@l@thickness
\newcount\createspace@c@minpages
\newcount\createspace@c@maxpages
\createspace@l@gutter=\createspace@gutter
\createspace@l@inner=\createspace@inner
\createspace@l@outer=\createspace@outer
\createspace@l@top=\createspace@top
\createspace@l@bottom=\createspace@bottom
\newif\ifcreatespace@makepreview
\newif\ifcreatespace@industrystandard
\ifcreatespace@colour
\createspace@industrystandardfalse
\else
\ifcase\createspace@paper
\createspace@industrystandardtrue
\or
\createspace@industrystandardfalse
\fi
\fi

\ifdim\createspace@l@inner<0.25in
\PackageWarning{createspace}{inner margin must be at least 0.25in}
\else
\ifdim\createspace@l@inner<0.5in
\createspace@PackageInfo{inner margin is below recommended value of 0.5in}
\fi
\fi
\ifdim\createspace@l@outer<0.25in
\PackageWarning{createspace}{outer margin must be at least 0.25in}
\else
\ifdim\createspace@l@outer<0.5in
\createspace@PackageInfo{outer margin is below recommended value of 0.5in}
\fi
\fi
\ifdim\createspace@l@top<0.25in
\PackageWarning{createspace}{top margin must be at least 0.25in}
\else
\ifdim\createspace@l@top<0.5in
\createspace@PackageInfo{top margin is below recommended value of 0.5in}
\fi
\fi
\ifdim\createspace@l@bottom<0.25in
\PackageWarning{createspace}{bottom margin must be at least 0.25in}
\else
\ifdim\createspace@l@bottom<0.5in
\createspace@PackageInfo{bottom margin is below recommended value of 0.5in}
\fi
\fi

\ifcreatespace@colour
\ifcase\createspace@paper\relax\or
\PackageError{createspace}{cannot print colour book on cream paper}{change paper or colour options}
\fi
\createspace@c@maxpages=480
\createspace@l@thickness=0.002347in
\else
\ifcase\createspace@paper\relax
\createspace@c@maxpages=828
\createspace@l@thickness=0.002252in
\or
\createspace@c@maxpages=740
\createspace@l@thickness=0.0025in
\fi
\fi
\createspace@c@minpages=24
\ifx\createspace@customsize\undefined
\ifcase\createspace@size\relax
%size=pocket
\ifcase\createspace@trim\relax
%trim=0
  \createspace@l@width=5.25in
  \createspace@l@height=8in
  \ifcase\createspace@paper\relax\or
    \createspace@industrystandardtrue
  \fi
\or
%trim=1
  \createspace@l@width=5.06in
  \createspace@l@height=7.81in
\or
%trim=2
  \createspace@l@width=5in
  \createspace@l@height=8in
  \ifcase\createspace@paper\relax\or
    \createspace@industrystandardtrue
  \fi
\fi
\or
%size=halfletter
\ifcase\createspace@trim\relax
  \createspace@l@width=5.5in
  \createspace@l@height=8.5in
  \createspace@industrystandardtrue
\else
  \PackageError{createspace}{cannot trim \createspace@sizename\space size}{change size or trim options}
\fi
\or
%size=novel
\ifcase\createspace@trim\relax
  \createspace@l@width=6in
  \createspace@l@height=9in
  \createspace@industrystandardtrue
\else
  \PackageError{createspace}{cannot trim \createspace@sizename\space size}{change size or trim options}
\fi
\or
%size=journal
\ifcase\createspace@trim\relax
%trim=0
  \createspace@l@width=7in
  \createspace@l@height=10in
  \ifcreatespace@colour
    \createspace@industrystandardtrue
  \fi
\or
%trim=1
  \createspace@l@width=6.69in
  \createspace@l@height=9.61in
\or
%trim=2
  \createspace@l@width=6.14in
  \createspace@l@height=9.21in
  \ifcreatespace@colour
    \createspace@industrystandardtrue
  \fi
\fi
\or
%size=magazine
\ifcase\createspace@trim\relax
%trim=0
  \createspace@l@width=8in
  \createspace@l@height=10in
  \ifcreatespace@colour
    \createspace@industrystandardtrue
  \else
    \ifcase\createspace@paper\relax
    \createspace@c@maxpages=440
    \or
    \createspace@c@maxpages=400
    \fi
  \fi
\or
%trim=1
  \createspace@l@width=7.5in
  \createspace@l@height=9.25in
\or
%trim=2
  \createspace@l@width=7.44in
  \createspace@l@height=9.69in
\fi
\or
%size=square
\ifcase\createspace@trim\relax
  \createspace@l@width=8.25in
  \createspace@l@height=8.25in
  \createspace@industrystandardfalse
  \ifcreatespace@colour
  \createspace@c@maxpages=212
  \else
  \ifcase\createspace@paper\relax
  \createspace@c@maxpages=220
  \or
  \createspace@c@maxpages=200
  \fi
  \fi
\else
  \PackageError{createspace}{cannot trim \createspace@sizename\space size}{change size or trim options}
\fi
\or
%size=landscape
\ifcase\createspace@trim\relax
  \createspace@l@width=8.25in
  \createspace@l@height=6in
  \createspace@industrystandardfalse
  \ifcreatespace@colour
  \createspace@c@maxpages=212
  \else
  \ifcase\createspace@paper\relax
  \createspace@c@maxpages=220
  \or
  \createspace@c@maxpages=200
  \fi
  \fi
\else
  \PackageError{createspace}{cannot trim \createspace@sizename\space size}{change size or trim options}
\fi
\fi
\else
%customsize={dim,dim}
\createspace@industrystandardfalse
\def\createspace@extractsize#1,#2{\createspace@l@width=#1\createspace@l@height=#2}
\expandafter\createspace@extractsize\createspace@customsize
\ifdim\createspace@l@width>8.5in
\PackageError{createspace}{page width cannot be larger than 8.5in}{change the page dimensions}
\fi
\ifcreatespace@colour
\ifdim\createspace@l@height>11in
\PackageError{createspace}{colour page height cannot be larger than 11in}{change the page dimensions}
\fi
\else
\ifdim\createspace@l@height>11.69in
\PackageError{createspace}{black and white page height cannot be larger than 11.69in}{change the page dimensions}
\fi
\fi
\fi

\ifcreatespace@bleed
\advance\createspace@l@width by 0.125in
\advance\createspace@l@height by 0.25in
\advance\createspace@l@outer by 0.125in
\advance\createspace@l@top by 0.125in
\advance\createspace@l@bottom by 0.125in
\fi

\ifcase\createspace@preview\relax
\createspace@makepreviewfalse
\or
\createspace@makepreviewtrue
\newdimen\createspace@l@previewwidth
\newdimen\createspace@l@previewheight
\createspace@l@previewwidth=210mm
\createspace@l@previewheight=297mm
\or
\createspace@makepreviewtrue
\newdimen\createspace@l@previewwidth
\newdimen\createspace@l@previewheight
\createspace@l@previewwidth=8.5in
\createspace@l@previewheight=11in
\fi

\ifcreatespace@makepreview
\ifdim\createspace@l@width>\createspace@l@previewwidth
  \ifcase\createspace@preview\relax\or
    \ifdim\createspace@l@height>11in
      \PackageError{createspace}{preview paper too small}{you cannot preview page that big}
    \else
      \PackageError{createspace}{preview paper too small}{try previewing on letter paper}
    \fi
  \or
    \PackageError{createspace}{preview paper too small}{you cannot preview page that big}
  \fi
\fi
\ifdim\createspace@l@height>\createspace@l@previewheight
  \ifcase\createspace@preview\relax\or
    \PackageError{createspace}{preview paper too small}{you cannot preview page that big}
  \or
    \ifdim\createspace@l@width>210mm
      \PackageError{createspace}{preview paper too small}{you cannot preview page that big}
    \else
      \PackageError{createspace}{preview paper too small}{try previewing on a4 paper}
    \fi
  \fi
\fi
\newdimen\createspace@tempx\createspace@tempx=\createspace@l@width
\newdimen\createspace@tempy\createspace@tempy=\createspace@l@height
\advance\createspace@tempx by 70pt
\advance\createspace@tempy by 70pt
\ifdim\createspace@tempx<\createspace@l@previewwidth
  \ifdim\createspace@tempy<\createspace@l@previewheight
    \ifcreatespace@bleed
      \def\createspace@croptype{camext}
    \else
      \def\createspace@croptype{cam}
    \fi
  \else
    \advance\createspace@tempy by -62pt
    \ifdim\createspace@tempy<\createspace@l@previewheight
      \ifcreatespace@bleed
        \def\createspace@croptype{smallext}
      \else
        \def\createspace@croptype{small}
      \fi
    \else
      \ifdim\createspace@l@height=\createspace@l@previewheight
        \def\createspace@croptype{fullheight}
      \else
        \def\createspace@croptype{border}
      \fi
    \fi
  \fi
\else
  \advance\createspace@tempx by -62pt
  \advance\createspace@tempy by -62pt
  \ifdim\createspace@tempx<\createspace@l@previewwidth
    \ifdim\createspace@tempy<\createspace@l@previewheight
      \ifcreatespace@bleed
        \def\createspace@croptype{smallext}
      \else
        \def\createspace@croptype{small}
      \fi
    \else
      \ifdim\createspace@l@height=\createspace@l@previewheight
        \def\createspace@croptype{fullheight}
      \else
        \def\createspace@croptype{border}
      \fi
    \fi
  \else
    \ifdim\createspace@l@width=\createspace@l@previewwidth
      \ifdim\createspace@l@height=\createspace@l@previewheight
        \createspace@makepreviewfalse
      \else
        \def\createspace@croptype{fullwidth}
      \fi
    \else
      \def\createspace@croptype{border}
    \fi
  \fi
\fi
\fi

\RequirePackage[papersize={\createspace@l@width,\createspace@l@height},hmargin={\createspace@l@inner,\createspace@l@outer},vmargin={\createspace@l@top,\createspace@l@bottom},bindingoffset=\createspace@l@gutter,\createspace@geometryextra]{geometry}
\ifcreatespace@colour
\ifcase\createspace@colourpackage\relax\or
\RequirePackage{color}
\or
\RequirePackage[cmyk]{xcolor}
\fi
\fi
\ifcreatespace@makepreview
\ifcase\createspace@preview\relax\or
  \RequirePackage[a4,center]{crop}
\or
  \RequirePackage[letter,center]{crop}
\fi
\ifcase\createspace@preview\relax\else
\newcommand*\CROP@@curc{%
\ifodd\c@page
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(30,-9){\circle{10}}
        \put(30,-14){\line(0,1){10}}
        \put(35,-9){\line(-1,0){30}}
        \put(25,0){\line(-1,0){30}}
        \put(-9,30){\circle{10}}
        \put(-14,30){\line(1,0){10}}
        \put(-9,35){\line(0,-1){30}}
        \put(0,25){\line(0,-1){30}}
    \end{picture}%
\else
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(30,-9){\circle{10}}
        \put(30,-14){\line(0,1){10}}
        \put(35,-9){\line(-1,0){30}}
        \put(25,0){\line(-1,0){20}}
        \put(0,30){\circle{10}}
        \put(-5,30){\line(1,0){10}}
        \put(0,35){\line(0,-1){30}}
    \end{picture}%
\fi
}
\newcommand*\CROP@@culc{%
\ifodd\c@page
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-30,-9){\circle{10}}
        \put(-30,-14){\line(0,1){10}}
        \put(-35,-9){\line(1,0){30}}
        \put(-25,0){\line(1,0){20}}
        \put(0,30){\circle{10}}
        \put(-5,30){\line(1,0){10}}
        \put(0,35){\line(0,-1){30}}
    \end{picture}%
\else
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-30,-9){\circle{10}}
        \put(-30,-14){\line(0,1){10}}
        \put(-35,-9){\line(1,0){30}}
        \put(-25,0){\line(1,0){30}}
        \put(9,30){\circle{10}}
        \put(4,30){\line(1,0){10}}
        \put(9,35){\line(0,-1){30}}
        \put(0,25){\line(0,-1){30}}
    \end{picture}%
\fi
}
\newcommand*\CROP@@clrc{%
\ifodd\c@page
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(30,9){\circle{10}}
        \put(30,4){\line(0,1){10}}
        \put(35,9){\line(-1,0){30}}
        \put(25,0){\line(-1,0){30}}
        \put(-9,-30){\circle{10}}
        \put(-14,-30){\line(1,0){10}}
        \put(-9,-35){\line(0,1){30}}
        \put(0,-25){\line(0,1){30}}
    \end{picture}%
\else
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(30,9){\circle{10}}
        \put(30,4){\line(0,1){10}}
        \put(35,9){\line(-1,0){30}}
        \put(25,0){\line(-1,0){20}}
        \put(0,-30){\circle{10}}
        \put(-5,-30){\line(1,0){10}}
        \put(0,-35){\line(0,1){30}}
    \end{picture}%
\fi
}
\newcommand*\CROP@@cllc{%
\ifodd\c@page
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-30,9){\circle{10}}
        \put(-30,4){\line(0,1){10}}
        \put(-35,9){\line(1,0){30}}
        \put(-25,0){\line(1,0){20}}
        \put(0,-30){\circle{10}}
        \put(-5,-30){\line(1,0){10}}
        \put(0,-35){\line(0,1){30}}
    \end{picture}%
\else
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-30,9){\circle{10}}
        \put(-30,4){\line(0,1){10}}
        \put(-35,9){\line(1,0){30}}
        \put(-25,0){\line(1,0){30}}
        \put(9,-30){\circle{10}}
        \put(4,-30){\line(1,0){10}}
        \put(9,-35){\line(0,1){30}}
        \put(0,-25){\line(0,1){30}}
    \end{picture}%
\fi
}
\newcommand*\CROP@@scurc{%
\ifodd\c@page
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(4,-9){\line(-1,0){4}}
        \put(0,0){\line(0,-1){\strip@pt\paperheight}}
        \put(-9,4){\line(0,-1){4}}
    \end{picture}%
\else
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(4,-9){\line(-1,0){3}}
        \put(0,0){\line(-1,0){\strip@pt\paperwidth}}
        \put(0,4){\line(0,-1){4}}
    \end{picture}%
\fi
}
\newcommand*\CROP@@sculc{%
\ifodd\c@page
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-4,-9){\line(1,0){3}}
        \put(0,0){\line(1,0){\strip@pt\paperwidth}}
        \put(0,4){\line(0,-1){4}}
    \end{picture}%
\else
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-4,-9){\line(1,0){4}}
        \put(0,0){\line(0,-1){\strip@pt\paperheight}}
        \put(9,4){\line(0,-1){4}}
    \end{picture}%
\fi
}
\newcommand*\CROP@@sclrc{%
\ifodd\c@page
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(4,9){\line(-1,0){4}}
        \put(-9,-4){\line(0,1){4}}
    \end{picture}%
\else
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(4,9){\line(-1,0){3}}
        \put(0,0){\line(-1,0){\strip@pt\paperwidth}}
        \put(0,-4){\line(0,1){4}}
    \end{picture}%
\fi
}
\newcommand*\CROP@@scllc{%
\ifodd\c@page
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-4,9){\line(1,0){3}}
        \put(0,0){\line(1,0){\strip@pt\paperwidth}}
        \put(0,-4){\line(0,1){4}}
    \end{picture}%
\else
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-4,9){\line(1,0){4}}
        \put(9,-4){\line(0,1){4}}
    \end{picture}%
\fi
}
\newcommand*\CROP@@surc{%
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(4,0){\line(-1,0){3}}
        \put(0,4){\line(0,-1){3}}
    \end{picture}%
}
\newcommand*\CROP@@sulc{%
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-4,0){\line(1,0){3}}
        \put(0,4){\line(0,-1){3}}
    \end{picture}%
}
\newcommand*\CROP@@slrc{%
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(4,0){\line(-1,0){3}}
        \put(0,-4){\line(0,1){3}}
    \end{picture}%
}
\newcommand*\CROP@@sllc{%
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(-4,0){\line(1,0){3}}
        \put(0,-4){\line(0,1){3}}
    \end{picture}%
}
\newcommand*\CROP@@hor{%
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(0,0){\line(1,0){\strip@pt\paperwidth}}
    \end{picture}%
}
\newcommand*\CROP@@ver{%
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(0,0){\line(0,1){\strip@pt\paperheight}}
    \end{picture}%
}
\newcommand*\CROP@@bul{%
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(0,0){\line(1,0){\strip@pt\paperwidth}}
        \put(0,0){\line(0,-1){\strip@pt\paperheight}}
    \end{picture}%
}
\newcommand*\CROP@@blr{%
    \begin{picture}(0,0)
        \unitlength\p@\thinlines
        \put(0,0){\line(-1,0){\strip@pt\paperwidth}}
        \put(0,0){\line(0,1){\strip@pt\paperheight}}
    \end{picture}%
}
\cropdef\CROP@@culc\CROP@@curc\CROP@@cllc\CROP@@clrc{camext}
\cropdef\CROP@@sculc\CROP@@scurc\CROP@@scllc\CROP@@sclrc{smallext}
\cropdef\CROP@@sulc\CROP@@surc\CROP@@sllc\CROP@@slrc{small}
\cropdef\CROP@@bul\relax\relax\CROP@@blr{border}
\cropdef\CROP@@hor\relax\CROP@@hor\relax{fullwidth}
\cropdef\relax\CROP@@ver\relax\CROP@@ver{fullheight}
\crop[\createspace@croptype]
\fi
\fi

% \calcln[i]{n}{res} - calculates \csname res\endcsname = ln(n) using i iterations
% (works for natural numbers n)
\newcommand\calcln[3][65]{
\ifx\log@digits\undefined\newcount\log@digits\fi
\log@digits=0
\def\log@count##1##2\log@tillthis{\advance\log@digits by 1\xdef\log@rest{##2}\ifx\log@rest\@empty\else\log@count ##2\log@tillthis\fi}
\log@count #2\log@tillthis
\ifx\log@result\undefined\newdimen\log@result\fi
\log@result=2.302585093pt
\multiply\log@result by \log@digits
\ifx\log@temp\undefined\newdimen\log@temp\fi
\log@temp=1pt
\advance\log@temp by -0.#2pt
\xdef\log@divident{\strip@pt\log@temp}
\def\log@strip0.##1\log@tillthis{\xdef\log@divident{##1}}
\expandafter\log@strip\log@divident\log@tillthis
\log@temp=1pt
\def\log@tens##1{\ifnum##1=0\else\multiply\log@temp by 10 \advance##1 by -1 \log@tens##1\fi}
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\the\createspace@dols.\the\createspace@cents
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}