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% EPSF macros by Kazuhiro Kazama and modified by Hideki ISOZAKI
% based on Trevor J. Darrell's psfig.tex
%
% All software, documentation, and related files in this distribution of
% psfig/tex are Copyright (c) 1987 Trevor J. Darrell
%
% Permission is granted for use and non-profit distribution of psfig/tex
% providing that this notice be clearly maintained, but the right to
% distribute any portion of psfig/tex for profit or as part of any commercial
% product is specifically reserved for the author.
\endlinechar=-1
\typeout{EPSF macro package for LaTeX. version 1.5 - Released May 11, 1992}
\newcount\@arga
\newcount\@argb
\newcount\@argc
\newcount\@ctmpa
\newcount\@ctmpb
\newcount\@ctmpc
\newcount\@ctmpd
\newcount\@ctmpe
\newdimen\@darg
\newdimen\@bblen
\newif\ifepsfdraft
\epsfdraftfalse
\def\@setpsfile#1{
\def\@psfile{#1}
\bb@search
}
\def\@setpsheight#1{
\@darg=#1\relax
\edef\@psheight{\number\@darg}
}
\def\@setpswidth#1{
\@darg=#1\relax
\edef\@pswidth{\number\@darg}
}
\def\@setpsscale#1{
\def\@pshscale{#1}
\def\@psvscale{#1}
}
\def\@setpshscale#1{
\def\@pshscale{#1}
}
\def\@setpsvscale#1{
\def\@psvscale{#1}
}
%
% Go through the options setting things up.
%
\def\parse@ps@parms#1{
\def\@bbw{0}\def\@bbh{0}
\def\@pshscale{1}\def\@psvscale{1}
\def\@psheight{0}\def\@pswidth{0}% in sp
\@for\@epsfopt:=#1\do
{\expandafter\@setparms\@epsfopt,}}
\def\@setparms#1=#2,{\@nameuse{@setps#1}{#2}}
%
% Compute %%BoundingBox height and width
%
\newif\ifcontinue
\catcode`\%=12\relax
\newread\ps@stream
\def\bb@search{\continuetrue
\typeout{analyzing \@psfile}
\openin\ps@stream=\@psfile
\catcode`\%=12\relax
\ifeof\ps@stream\errmessage{epsf: \@psfile\space not found}\fi
\loop
\read\ps@stream to \epsf@line
\expandafter\epsf@getbb\epsf@line%%BoundingBox:\end@getbb
\ifnum\@bbw=\z@\else \continuefalse\fi
\ifeof\ps@stream \continuefalse \fi
\ifcontinue \repeat
\closein\ps@stream
\catcode`\%=14
}
\def\epsf@getbb #1%%BoundingBox:#2\end@getbb{
\def\epsf@tmp{#1}\def\epsf@atend{ (atend)}
\ifx\epsf@tmp\empty
\edef\epsf@tmp{#2}
\ifx\epsf@tmp\epsf@atend
\errmessage{%%BoundingBox: (atend)}
\else
\epsf@bbarg #2 0 0 0 0 0 %%BoundingBox\end@getbb
\fi
\fi}
\def\epsf@bbarg #1 #2 #3 #4 #5%%BoundingBox#6\end@getbb{
\def\epsf@tmp{#1}
\ifx\epsf@tmp\empty
\@darg=#4bp \advance\@darg-#2bp \edef\@bbw{\number\@darg}
\@darg=#5bp \advance\@darg-#3bp \edef\@bbh{\number\@darg}
\else
\@darg=#3bp \advance\@darg-#1bp \edef\@bbw{\number\@darg}
\@darg=#4bp \advance\@darg-#2bp \edef\@bbh{\number\@darg}
\fi
{\@arga=\@bbw \divide\@arga by 186468\relax
\@argb=\@bbh \divide\@argb by 186468\relax
\message{original: \the\@arga mm x \the\@argb mm}}
}
\catcode`\%=14\relax
% \in@hundreds performs #1 * (#2 / #3) correct to the hundreds,
% then leaves the result in @result
%
\def\in@hundreds#1#2#3{\@argb=#2 \@argc=#3
\@ctmpa=\@argb % @ctmpa is first digit #2/#3
\divide\@ctmpa by \@argc
\@ctmpb=\@ctmpa
\multiply\@ctmpb by \@argc
\advance\@argb by -\@ctmpb
\multiply\@argb by 10
\@ctmpb=\@argb % @ctmpb is second digit of #2/#3
\divide\@ctmpb by \@argc
\@ctmpc=\@ctmpb
\multiply\@ctmpc by \@argc
\advance\@argb by -\@ctmpc
\multiply\@argb by 10
\@ctmpc=\@argb % @ctmpc is the third digit
\divide\@ctmpc by \@argc
\@arga=#1\@ctmpe=0
\@ctmpd=\@arga
\multiply\@ctmpd by \@ctmpa
\advance\@ctmpe by \@ctmpd
\@ctmpd=\@arga
\divide\@ctmpd by 10
\multiply\@ctmpd by \@ctmpb
\advance\@ctmpe by \@ctmpd
%
\@ctmpd=\@arga
\divide\@ctmpd by 100
\multiply\@ctmpd by \@ctmpc
\advance\@ctmpe by \@ctmpd
%
\edef\@result{\number\@ctmpe}
}
\def\compute@wfromh{
\ifnum\@psheight>\z@
\in@hundreds{\@psheight}{\@bbw}{\@bbh}
\edef\@pswidth{\@result}
\else
\in@hundreds{-\@psheight}{\@bbw}{\@bbh}
\edef\@pswidth{\number-\@result}
\fi
}
\def\compute@hfromw{
% computing : height = width * (bbh / bbw)
\ifnum\@pswidth>\z@
\in@hundreds{\@pswidth}{\@bbh}{\@bbw}
\edef\@psheight{\@result}
\else
\in@hundreds{-\@pswidth}{\@bbh}{\@bbw}
\edef\@psheight{\number-\@result}
\fi
}
\def\compute@handw{
\ifnum\@psheight=\z@
\ifnum\@pswidth=\z@
\@darg=\@bbh sp \@darg=\@psvscale\@darg
\edef\@psheight{\number\@darg}
\@darg=\@bbw sp \@darg=\@pshscale\@darg
\edef\@pswidth{\number\@darg}
\else
\compute@hfromw
\fi
\else
\ifnum\@pswidth=\z@
\compute@wfromh
\fi
\fi
}
{\catcode`\p=12\catcode`\t=12
\gdef\remove@dim@frac#1.#2pt{#1}}
%
% \epsfile
% usage : \epsfile{file=, height=, width=}
% usage : \epsfile{file=, scale=}
% usage : \epsfile{file=, vscale=, hscale=}
%
\def\epsfile{\@ifnextchar[{\@epsfile}{\@epsfile[]}}
\def\@epsfile[#1]#2{{
\parse@ps@parms{#2}
\compute@handw
{\@arga=\@pswidth \divide\@arga by 186468\relax
\@argb=\@psheight \divide\@argb by 186468\relax
\message{becomes \the\@arga mm x \the\@argb mm}}
\@arga=\@psheight \divide\@arga by 65782\relax
\edef\@psvsize{\number\@arga}
\@arga=\@pswidth \divide\@arga by 65782\relax
\edef\@pshsize{\number\@arga}
\leavevmode
\ifnum\@pswidth>\z@
\hbox to \@pswidth sp\bgroup
\else
\hbox to -\@pswidth sp\bgroup
\hfill
\fi
\ifnum\@psheight>\z@
\vrule\@width\z@\@height\@psheight sp \@depth\z@
\raise\@psheight sp
\else
\vrule\@width\z@\@height-\@psheight sp \@depth\z@
\fi
\hbox to\z@\bgroup
\ifnum\@psheight=\z@
\ifnum\@pswidth=\z@
\edef\epsf@tmpa{\@pshscale,\@psvscale}
\edef\epsf@tmp{1,1}
\ifx\epsf@tmpa\epsf@tmp
\special{epsfile=\@psfile \space}
\else
\special{epsfile=\@psfile \space
vscale=\@psvscale \space hscale=\@pshscale \space}
\fi
\else
\special{epsfile=\@psfile \space hsize=\@pshsize \space}
\fi
\else
\ifnum\@pswidth=\z@
\special{epsfile=\@psfile \space vsize=\@psvsize \space}
\else
\special{epsfile=\@psfile \space
hsize=\@pshsize \space vsize=\@psvsize \space}
\fi
\fi
\egroup
\ifnum\@psheight>\z@
\vrule\@width\z@\@height\@psheight sp \@depth\z@
\else
\vrule\@width\z@\@height-\@psheight sp \@depth\z@
\raise-\@psheight sp
\fi
\hbox to\z@{#1}\hfil
\egroup
}}
% You can put anything on the original picture.
% \epsfat puts it on the correct position
% even if you change the picture size.
\def\epsfat(#1,#2)#3{\@killglue{
\@darg=#1 \edef\epsf@atx{\number\@darg}
\ifnum\@pswidth>\z@
\in@hundreds{\epsf@atx}{\@pswidth}{\@bbw}
\edef\epsf@atx{\@result}
\else
\in@hundreds{\epsf@atx}{-\@pswidth}{\@bbw}
\edef\epsf@atx{\number-\@result}
\fi
\@darg=#2 \edef\epsf@aty{\number\@darg}
\ifnum\@psheight>\z@
\in@hundreds{\epsf@aty}{\@psheight}{\@bbh}
\edef\epsf@aty{\@result}
\else
\in@hundreds{\epsf@aty}{-\@psheight}{\@bbh}
\edef\epsf@aty{\number-\@result}
\fi
\smash{\raise\epsf@aty sp
\hbox to \z@{\kern\epsf@atx sp\relax#3\hss}}}\ignorespaces}
\endlinechar=13\relax
\endinput
|
