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897 lines
26 KiB
TeX
897 lines
26 KiB
TeX
% Psfig/TeX
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\def\PsfigVersion{1.9}
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% dvips version
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%
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% All psfig/tex software, documentation, and related files
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% in this distribution of psfig/tex are
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% Copyright 1987, 1988, 1991 Trevor J. Darrell
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%
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% Permission is granted for use and non-profit distribution of psfig/tex
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% providing that this notice is clearly maintained. The right to
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% distribute any portion of psfig/tex for profit or as part of any commercial
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% product is specifically reserved for the author(s) of that portion.
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%
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% *** Feel free to make local modifications of psfig as you wish,
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% *** but DO NOT post any changed or modified versions of ``psfig''
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% *** directly to the net. Send them to me and I'll try to incorporate
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% *** them into future versions. If you want to take the psfig code
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% *** and make a new program (subject to the copyright above), distribute it,
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% *** (and maintain it) that's fine, just don't call it psfig.
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%
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% Bugs and improvements to trevor@media.mit.edu.
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%
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% Thanks to Greg Hager (GDH) and Ned Batchelder for their contributions
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% to the original version of this project.
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%
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% Modified by J. Daniel Smith on 9 October 1990 to accept the
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% %%BoundingBox: comment with or without a space after the colon. Stole
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% file reading code from Tom Rokicki's EPSF.TEX file (see below).
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%
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% More modifications by J. Daniel Smith on 29 March 1991 to allow the
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% the included PostScript figure to be rotated. The amount of
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% rotation is specified by the "angle=" parameter of the \psfig command.
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%
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% Modified by Robert Russell on June 25, 1991 to allow users to specify
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% .ps filenames which don't yet exist, provided they explicitly provide
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% boundingbox information via the \psfig command. Note: This will only work
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% if the "file=" parameter follows all four "bb???=" parameters in the
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% command. This is due to the order in which psfig interprets these params.
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%
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% 3 Jul 1991 JDS check if file already read in once
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% 4 Sep 1991 JDS fixed incorrect computation of rotated
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% bounding box
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% 25 Sep 1991 GVR expanded synopsis of \psfig
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% 14 Oct 1991 JDS \fbox code from LaTeX so \psdraft works with TeX
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% changed \typeout to \ps@typeout
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% 17 Oct 1991 JDS added \psscalefirst and \psrotatefirst
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%
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% From: gvr@cs.brown.edu (George V. Reilly)
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%
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% \psdraft draws an outline box, but doesn't include the figure
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% in the DVI file. Useful for previewing.
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%
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% \psfull includes the figure in the DVI file (default).
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%
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% \psscalefirst width= or height= specifies the size of the figure
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% before rotation.
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% \psrotatefirst (default) width= or height= specifies the size of the
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% figure after rotation. Asymetric figures will
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% appear to shrink.
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%
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% \psfigurepath#1 sets the path to search for the figure
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%
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% \psfig
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% usage: \psfig{file=, figure=, height=, width=,
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% bbllx=, bblly=, bburx=, bbury=,
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% rheight=, rwidth=, clip=, angle=, silent=}
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%
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% "file" is the filename. If no path name is specified and the
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% file is not found in the current directory,
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% it will be looked for in directory \psfigurepath.
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% "figure" is a synonym for "file".
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% By default, the width and height of the figure are taken from
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% the BoundingBox of the figure.
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% If "width" is specified, the figure is scaled so that it has
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% the specified width. Its height changes proportionately.
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% If "height" is specified, the figure is scaled so that it has
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% the specified height. Its width changes proportionately.
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% If both "width" and "height" are specified, the figure is scaled
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% anamorphically.
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% "bbllx", "bblly", "bburx", and "bbury" control the PostScript
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% BoundingBox. If these four values are specified
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% *before* the "file" option, the PSFIG will not try to
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% open the PostScript file.
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% "rheight" and "rwidth" are the reserved height and width
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% of the figure, i.e., how big TeX actually thinks
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% the figure is. They default to "width" and "height".
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% The "clip" option ensures that no portion of the figure will
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% appear outside its BoundingBox. "clip=" is a switch and
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% takes no value, but the `=' must be present.
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% The "angle" option specifies the angle of rotation (degrees, ccw).
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% The "silent" option makes \psfig work silently.
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%
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% check to see if macros already loaded in (maybe some other file says
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% "\input psfig") ...
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\ifx\undefined\psfig\else\endinput\fi
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%
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% from a suggestion by eijkhout@csrd.uiuc.edu to allow
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% loading as a style file. Changed to avoid problems
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% with amstex per suggestion by jbence@math.ucla.edu
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\let\LaTeXAtSign=\@
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\let\@=\relax
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\edef\psfigRestoreAt{\catcode`\@=\number\catcode`@\relax}
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%\edef\psfigRestoreAt{\catcode`@=\number\catcode`@\relax}
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\catcode`\@=11\relax
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\newwrite\@unused
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\def\ps@typeout#1{{\let\protect\string\immediate\write\@unused{#1}}}
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%\ps@typeout{psfig/tex \PsfigVersion}
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%% Here's how you define your figure path. Should be set up with null
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%% default and a user useable definition.
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\def\figurepath{./}
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\def\psfigurepath#1{\edef\figurepath{#1}}
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%
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% @psdo control structure -- similar to Latex @for.
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% I redefined these with different names so that psfig can
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% be used with TeX as well as LaTeX, and so that it will not
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% be vunerable to future changes in LaTeX's internal
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% control structure,
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%
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\def\@nnil{\@nil}
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\def\@empty{}
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\def\@psdonoop#1\@@#2#3{}
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\def\@psdo#1:=#2\do#3{\edef\@psdotmp{#2}\ifx\@psdotmp\@empty \else
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\expandafter\@psdoloop#2,\@nil,\@nil\@@#1{#3}\fi}
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\def\@psdoloop#1,#2,#3\@@#4#5{\def#4{#1}\ifx #4\@nnil \else
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#5\def#4{#2}\ifx #4\@nnil \else#5\@ipsdoloop #3\@@#4{#5}\fi\fi}
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\def\@ipsdoloop#1,#2\@@#3#4{\def#3{#1}\ifx #3\@nnil
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\let\@nextwhile=\@psdonoop \else
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#4\relax\let\@nextwhile=\@ipsdoloop\fi\@nextwhile#2\@@#3{#4}}
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\def\@tpsdo#1:=#2\do#3{\xdef\@psdotmp{#2}\ifx\@psdotmp\@empty \else
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\@tpsdoloop#2\@nil\@nil\@@#1{#3}\fi}
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\def\@tpsdoloop#1#2\@@#3#4{\def#3{#1}\ifx #3\@nnil
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\let\@nextwhile=\@psdonoop \else
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#4\relax\let\@nextwhile=\@tpsdoloop\fi\@nextwhile#2\@@#3{#4}}
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%
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% \fbox is defined in latex.tex; so if \fbox is undefined, assume that
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% we are not in LaTeX.
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% Perhaps this could be done better???
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\ifx\undefined\fbox
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% \fbox code from modified slightly from LaTeX
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\newdimen\fboxrule
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\newdimen\fboxsep
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\newdimen\ps@tempdima
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\newbox\ps@tempboxa
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\fboxsep = 3pt
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\fboxrule = .4pt
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\long\def\fbox#1{\leavevmode\setbox\ps@tempboxa\hbox{#1}\ps@tempdima\fboxrule
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\advance\ps@tempdima \fboxsep \advance\ps@tempdima \dp\ps@tempboxa
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\hbox{\lower \ps@tempdima\hbox
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{\vbox{\hrule height \fboxrule
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\hbox{\vrule width \fboxrule \hskip\fboxsep
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\vbox{\vskip\fboxsep \box\ps@tempboxa\vskip\fboxsep}\hskip
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\fboxsep\vrule width \fboxrule}
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\hrule height \fboxrule}}}}
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\fi
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%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% file reading stuff from epsf.tex
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% EPSF.TEX macro file:
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% Written by Tomas Rokicki of Radical Eye Software, 29 Mar 1989.
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% Revised by Don Knuth, 3 Jan 1990.
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% Revised by Tomas Rokicki to accept bounding boxes with no
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% space after the colon, 18 Jul 1990.
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% Portions modified/removed for use in PSFIG package by
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% J. Daniel Smith, 9 October 1990.
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%
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\newread\ps@stream
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\newif\ifnot@eof % continue looking for the bounding box?
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\newif\if@noisy % report what you're making?
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\newif\if@atend % %%BoundingBox: has (at end) specification
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\newif\if@psfile % does this look like a PostScript file?
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%
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% PostScript files should start with `%!'
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%
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{\catcode`\%=12\global\gdef\epsf@start{%!}}
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\def\epsf@PS{PS}
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%
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\def\epsf@getbb#1{%
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%
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% The first thing we need to do is to open the
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% PostScript file, if possible.
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%
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\openin\ps@stream=#1
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\ifeof\ps@stream\ps@typeout{Error, File #1 not found}\else
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%
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% Okay, we got it. Now we'll scan lines until we find one that doesn't
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% start with %. We're looking for the bounding box comment.
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%
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{\not@eoftrue \chardef\other=12
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\def\do##1{\catcode`##1=\other}\dospecials \catcode`\ =10
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\loop
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\if@psfile
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\read\ps@stream to \epsf@fileline
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\else{
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\obeyspaces
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\read\ps@stream to \epsf@tmp\global\let\epsf@fileline\epsf@tmp}
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\fi
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\ifeof\ps@stream\not@eoffalse\else
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%
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% Check the first line for `%!'. Issue a warning message if its not
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% there, since the file might not be a PostScript file.
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%
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\if@psfile\else
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\expandafter\epsf@test\epsf@fileline:. \\%
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\fi
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%
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% We check to see if the first character is a % sign;
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% if so, we look further and stop only if the line begins with
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% `%%BoundingBox:' and the `(atend)' specification was not found.
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% That is, the only way to stop is when the end of file is reached,
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% or a `%%BoundingBox: llx lly urx ury' line is found.
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%
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\expandafter\epsf@aux\epsf@fileline:. \\%
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\fi
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\ifnot@eof\repeat
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}\closein\ps@stream\fi}%
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%
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% This tests if the file we are reading looks like a PostScript file.
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%
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\long\def\epsf@test#1#2#3:#4\\{\def\epsf@testit{#1#2}
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\ifx\epsf@testit\epsf@start\else
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\ps@typeout{Warning! File does not start with `\epsf@start'. It may not be a PostScript file.}
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\fi
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\@psfiletrue} % don't test after 1st line
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%
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% We still need to define the tricky \epsf@aux macro. This requires
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% a couple of magic constants for comparison purposes.
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%
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{\catcode`\%=12\global\let\epsf@percent=%\global\def\epsf@bblit{%BoundingBox}}
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%
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%
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% So we're ready to check for `%BoundingBox:' and to grab the
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% values if they are found. We continue searching if `(at end)'
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% was found after the `%BoundingBox:'.
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%
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\long\def\epsf@aux#1#2:#3\\{\ifx#1\epsf@percent
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\def\epsf@testit{#2}\ifx\epsf@testit\epsf@bblit
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\@atendfalse
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\epsf@atend #3 . \\%
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\if@atend
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\if@verbose{
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\ps@typeout{psfig: found `(atend)'; continuing search}
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}\fi
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\else
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\epsf@grab #3 . . . \\%
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\not@eoffalse
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\global\no@bbfalse
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\fi
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\fi\fi}%
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%
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% Here we grab the values and stuff them in the appropriate definitions.
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%
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\def\epsf@grab #1 #2 #3 #4 #5\\{%
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\global\def\epsf@llx{#1}\ifx\epsf@llx\empty
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\epsf@grab #2 #3 #4 #5 .\\\else
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\global\def\epsf@lly{#2}%
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\global\def\epsf@urx{#3}\global\def\epsf@ury{#4}\fi}%
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%
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% Determine if the stuff following the %%BoundingBox is `(atend)'
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% J. Daniel Smith. Copied from \epsf@grab above.
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%
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\def\epsf@atendlit{(atend)}
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\def\epsf@atend #1 #2 #3\\{%
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\def\epsf@tmp{#1}\ifx\epsf@tmp\empty
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\epsf@atend #2 #3 .\\\else
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\ifx\epsf@tmp\epsf@atendlit\@atendtrue\fi\fi}
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% End of file reading stuff from epsf.tex
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
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% trigonometry stuff from "trig.tex"
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\chardef\psletter = 11 % won't conflict with \begin{letter} now...
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\chardef\other = 12
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\newif \ifdebug %%% turn me on to see TeX hard at work ...
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\newif\ifc@mpute %%% don't need to compute some values
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\c@mputetrue % but assume that we do
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\let\then = \relax
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\def\r@dian{pt }
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\let\r@dians = \r@dian
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\let\dimensionless@nit = \r@dian
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\let\dimensionless@nits = \dimensionless@nit
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\def\internal@nit{sp }
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\let\internal@nits = \internal@nit
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\newif\ifstillc@nverging
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\def \Mess@ge #1{\ifdebug \then \message {#1} \fi}
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{ %%% Things that need abnormal catcodes %%%
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\catcode `\@ = \psletter
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\gdef \nodimen {\expandafter \n@dimen \the \dimen}
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\gdef \term #1 #2 #3%
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{\edef \t@ {\the #1}%%% freeze parameter 1 (count, by value)
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\edef \t@@ {\expandafter \n@dimen \the #2\r@dian}%
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%%% freeze parameter 2 (dimen, by value)
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\t@rm {\t@} {\t@@} {#3}%
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}
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\gdef \t@rm #1 #2 #3%
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{{%
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\count 0 = 0
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\dimen 0 = 1 \dimensionless@nit
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\dimen 2 = #2\relax
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\Mess@ge {Calculating term #1 of \nodimen 2}%
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\loop
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\ifnum \count 0 < #1
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\then \advance \count 0 by 1
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\Mess@ge {Iteration \the \count 0 \space}%
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\Multiply \dimen 0 by {\dimen 2}%
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\Mess@ge {After multiplication, term = \nodimen 0}%
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\Divide \dimen 0 by {\count 0}%
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\Mess@ge {After division, term = \nodimen 0}%
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\repeat
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\Mess@ge {Final value for term #1 of
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\nodimen 2 \space is \nodimen 0}%
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\xdef \Term {#3 = \nodimen 0 \r@dians}%
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\aftergroup \Term
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}}
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\catcode `\p = \other
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\catcode `\t = \other
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\gdef \n@dimen #1pt{#1} %%% throw away the ``pt''
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}
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\def \Divide #1by #2{\divide #1 by #2} %%% just a synonym
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\def \Multiply #1by #2%%% allows division of a dimen by a dimen
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{{%%% should really freeze parameter 2 (dimen, passed by value)
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\count 0 = #1\relax
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\count 2 = #2\relax
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\count 4 = 65536
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\Mess@ge {Before scaling, count 0 = \the \count 0 \space and
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count 2 = \the \count 2}%
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\ifnum \count 0 > 32767 %%% do our best to avoid overflow
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\then \divide \count 0 by 4
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\divide \count 4 by 4
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\else \ifnum \count 0 < -32767
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\then \divide \count 0 by 4
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\divide \count 4 by 4
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\else
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\fi
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\fi
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\ifnum \count 2 > 32767 %%% while retaining reasonable accuracy
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\then \divide \count 2 by 4
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\divide \count 4 by 4
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\else \ifnum \count 2 < -32767
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\then \divide \count 2 by 4
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\divide \count 4 by 4
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\else
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\fi
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\fi
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\multiply \count 0 by \count 2
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\divide \count 0 by \count 4
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\xdef \product {#1 = \the \count 0 \internal@nits}%
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\aftergroup \product
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}}
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\def\r@duce{\ifdim\dimen0 > 90\r@dian \then % sin(x+90) = sin(180-x)
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\multiply\dimen0 by -1
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\advance\dimen0 by 180\r@dian
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\r@duce
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\else \ifdim\dimen0 < -90\r@dian \then % sin(-x) = sin(360+x)
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\advance\dimen0 by 360\r@dian
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\r@duce
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\fi
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\fi}
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\def\Sine#1%
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{{%
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\dimen 0 = #1 \r@dian
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\r@duce
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\ifdim\dimen0 = -90\r@dian \then
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\dimen4 = -1\r@dian
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\c@mputefalse
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\fi
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\ifdim\dimen0 = 90\r@dian \then
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\dimen4 = 1\r@dian
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\c@mputefalse
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\fi
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\ifdim\dimen0 = 0\r@dian \then
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\dimen4 = 0\r@dian
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\c@mputefalse
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\fi
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%
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\ifc@mpute \then
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% convert degrees to radians
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\divide\dimen0 by 180
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\dimen0=3.141592654\dimen0
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%
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\dimen 2 = 3.1415926535897963\r@dian %%% a well-known constant
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\divide\dimen 2 by 2 %%% we only deal with -pi/2 : pi/2
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\Mess@ge {Sin: calculating Sin of \nodimen 0}%
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\count 0 = 1 %%% see power-series expansion for sine
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\dimen 2 = 1 \r@dian %%% ditto
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\dimen 4 = 0 \r@dian %%% ditto
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\loop
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\ifnum \dimen 2 = 0 %%% then we've done
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\then \stillc@nvergingfalse
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\else \stillc@nvergingtrue
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\fi
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\ifstillc@nverging %%% then calculate next term
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\then \term {\count 0} {\dimen 0} {\dimen 2}%
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\advance \count 0 by 2
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\count 2 = \count 0
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\divide \count 2 by 2
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\ifodd \count 2 %%% signs alternate
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\then \advance \dimen 4 by \dimen 2
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\else \advance \dimen 4 by -\dimen 2
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\fi
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\repeat
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\fi
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\xdef \sine {\nodimen 4}%
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}}
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% Now the Cosine can be calculated easily by calling \Sine
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\def\Cosine#1{\ifx\sine\UnDefined\edef\Savesine{\relax}\else
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\edef\Savesine{\sine}\fi
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{\dimen0=#1\r@dian\advance\dimen0 by 90\r@dian
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\Sine{\nodimen 0}
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\xdef\cosine{\sine}
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\xdef\sine{\Savesine}}}
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|
% end of trig stuff
|
|
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
|
|
|
|
\def\psdraft{
|
|
\def\@psdraft{0}
|
|
%\ps@typeout{draft level now is \@psdraft \space . }
|
|
}
|
|
\def\psfull{
|
|
\def\@psdraft{100}
|
|
%\ps@typeout{draft level now is \@psdraft \space . }
|
|
}
|
|
|
|
\psfull
|
|
|
|
\newif\if@scalefirst
|
|
\def\psscalefirst{\@scalefirsttrue}
|
|
\def\psrotatefirst{\@scalefirstfalse}
|
|
\psrotatefirst
|
|
|
|
\newif\if@draftbox
|
|
\def\psnodraftbox{
|
|
\@draftboxfalse
|
|
}
|
|
\def\psdraftbox{
|
|
\@draftboxtrue
|
|
}
|
|
\@draftboxtrue
|
|
|
|
\newif\if@prologfile
|
|
\newif\if@postlogfile
|
|
\def\pssilent{
|
|
\@noisyfalse
|
|
}
|
|
\def\psnoisy{
|
|
\@noisytrue
|
|
}
|
|
\psnoisy
|
|
%%% These are for the option list.
|
|
%%% A specification of the form a = b maps to calling \@p@@sa{b}
|
|
\newif\if@bbllx
|
|
\newif\if@bblly
|
|
\newif\if@bburx
|
|
\newif\if@bbury
|
|
\newif\if@height
|
|
\newif\if@width
|
|
\newif\if@rheight
|
|
\newif\if@rwidth
|
|
\newif\if@angle
|
|
\newif\if@clip
|
|
\newif\if@verbose
|
|
\def\@p@@sclip#1{\@cliptrue}
|
|
|
|
|
|
\newif\if@decmpr
|
|
|
|
%%% GDH 7/26/87 -- changed so that it first looks in the local directory,
|
|
%%% then in a specified global directory for the ps file.
|
|
%%% RPR 6/25/91 -- changed so that it defaults to user-supplied name if
|
|
%%% boundingbox info is specified, assuming graphic will be created by
|
|
%%% print time.
|
|
%%% TJD 10/19/91 -- added bbfile vs. file distinction, and @decmpr flag
|
|
|
|
\def\@p@@sfigure#1{\def\@p@sfile{null}\def\@p@sbbfile{null}
|
|
\openin1=#1.bb
|
|
\ifeof1\closein1
|
|
\openin1=\figurepath#1.bb
|
|
\ifeof1\closein1
|
|
\openin1=#1
|
|
\ifeof1\closein1%
|
|
\openin1=\figurepath#1
|
|
\ifeof1
|
|
\ps@typeout{Error, File #1 not found}
|
|
\if@bbllx\if@bblly
|
|
\if@bburx\if@bbury
|
|
\def\@p@sfile{#1}%
|
|
\def\@p@sbbfile{#1}%
|
|
\@decmprfalse
|
|
\fi\fi\fi\fi
|
|
\else\closein1
|
|
\def\@p@sfile{\figurepath#1}%
|
|
\def\@p@sbbfile{\figurepath#1}%
|
|
\@decmprfalse
|
|
\fi%
|
|
\else\closein1%
|
|
\def\@p@sfile{#1}
|
|
\def\@p@sbbfile{#1}
|
|
\@decmprfalse
|
|
\fi
|
|
\else
|
|
\def\@p@sfile{\figurepath#1}
|
|
\def\@p@sbbfile{\figurepath#1.bb}
|
|
\@decmprtrue
|
|
\fi
|
|
\else
|
|
\def\@p@sfile{#1}
|
|
\def\@p@sbbfile{#1.bb}
|
|
\@decmprtrue
|
|
\fi}
|
|
|
|
\def\@p@@sfile#1{\@p@@sfigure{#1}}
|
|
|
|
\def\@p@@sbbllx#1{
|
|
%\ps@typeout{bbllx is #1}
|
|
\@bbllxtrue
|
|
\dimen100=#1
|
|
\edef\@p@sbbllx{\number\dimen100}
|
|
}
|
|
\def\@p@@sbblly#1{
|
|
%\ps@typeout{bblly is #1}
|
|
\@bbllytrue
|
|
\dimen100=#1
|
|
\edef\@p@sbblly{\number\dimen100}
|
|
}
|
|
\def\@p@@sbburx#1{
|
|
%\ps@typeout{bburx is #1}
|
|
\@bburxtrue
|
|
\dimen100=#1
|
|
\edef\@p@sbburx{\number\dimen100}
|
|
}
|
|
\def\@p@@sbbury#1{
|
|
%\ps@typeout{bbury is #1}
|
|
\@bburytrue
|
|
\dimen100=#1
|
|
\edef\@p@sbbury{\number\dimen100}
|
|
}
|
|
\def\@p@@sheight#1{
|
|
\@heighttrue
|
|
\dimen100=#1
|
|
\edef\@p@sheight{\number\dimen100}
|
|
%\ps@typeout{Height is \@p@sheight}
|
|
}
|
|
\def\@p@@swidth#1{
|
|
%\ps@typeout{Width is #1}
|
|
\@widthtrue
|
|
\dimen100=#1
|
|
\edef\@p@swidth{\number\dimen100}
|
|
}
|
|
\def\@p@@srheight#1{
|
|
%\ps@typeout{Reserved height is #1}
|
|
\@rheighttrue
|
|
\dimen100=#1
|
|
\edef\@p@srheight{\number\dimen100}
|
|
}
|
|
\def\@p@@srwidth#1{
|
|
%\ps@typeout{Reserved width is #1}
|
|
\@rwidthtrue
|
|
\dimen100=#1
|
|
\edef\@p@srwidth{\number\dimen100}
|
|
}
|
|
\def\@p@@sangle#1{
|
|
%\ps@typeout{Rotation is #1}
|
|
\@angletrue
|
|
% \dimen100=#1
|
|
\edef\@p@sangle{#1} %\number\dimen100}
|
|
}
|
|
\def\@p@@ssilent#1{
|
|
\@verbosefalse
|
|
}
|
|
\def\@p@@sprolog#1{\@prologfiletrue\def\@prologfileval{#1}}
|
|
\def\@p@@spostlog#1{\@postlogfiletrue\def\@postlogfileval{#1}}
|
|
\def\@cs@name#1{\csname #1\endcsname}
|
|
\def\@setparms#1=#2,{\@cs@name{@p@@s#1}{#2}}
|
|
%
|
|
% initialize the defaults (size the size of the figure)
|
|
%
|
|
\def\ps@init@parms{
|
|
\@bbllxfalse \@bbllyfalse
|
|
\@bburxfalse \@bburyfalse
|
|
\@heightfalse \@widthfalse
|
|
\@rheightfalse \@rwidthfalse
|
|
\def\@p@sbbllx{}\def\@p@sbblly{}
|
|
\def\@p@sbburx{}\def\@p@sbbury{}
|
|
\def\@p@sheight{}\def\@p@swidth{}
|
|
\def\@p@srheight{}\def\@p@srwidth{}
|
|
\def\@p@sangle{0}
|
|
\def\@p@sfile{} \def\@p@sbbfile{}
|
|
\def\@p@scost{10}
|
|
\def\@sc{}
|
|
\@prologfilefalse
|
|
\@postlogfilefalse
|
|
\@clipfalse
|
|
\if@noisy
|
|
\@verbosetrue
|
|
\else
|
|
\@verbosefalse
|
|
\fi
|
|
}
|
|
%
|
|
% Go through the options setting things up.
|
|
%
|
|
\def\parse@ps@parms#1{
|
|
\@psdo\@psfiga:=#1\do
|
|
{\expandafter\@setparms\@psfiga,}}
|
|
%
|
|
% Compute bb height and width
|
|
%
|
|
\newif\ifno@bb
|
|
\def\bb@missing{
|
|
\if@verbose{
|
|
\ps@typeout{psfig: searching \@p@sbbfile \space for bounding box}
|
|
}\fi
|
|
\no@bbtrue
|
|
\epsf@getbb{\@p@sbbfile}
|
|
\ifno@bb \else \bb@cull\epsf@llx\epsf@lly\epsf@urx\epsf@ury\fi
|
|
}
|
|
\def\bb@cull#1#2#3#4{
|
|
\dimen100=#1 bp\edef\@p@sbbllx{\number\dimen100}
|
|
\dimen100=#2 bp\edef\@p@sbblly{\number\dimen100}
|
|
\dimen100=#3 bp\edef\@p@sbburx{\number\dimen100}
|
|
\dimen100=#4 bp\edef\@p@sbbury{\number\dimen100}
|
|
\no@bbfalse
|
|
}
|
|
% rotate point (#1,#2) about (0,0).
|
|
% The sine and cosine of the angle are already stored in \sine and
|
|
% \cosine. The result is placed in (\p@intvaluex, \p@intvaluey).
|
|
\newdimen\p@intvaluex
|
|
\newdimen\p@intvaluey
|
|
\def\rotate@#1#2{{\dimen0=#1 sp\dimen1=#2 sp
|
|
% calculate x' = x \cos\theta - y \sin\theta
|
|
\global\p@intvaluex=\cosine\dimen0
|
|
\dimen3=\sine\dimen1
|
|
\global\advance\p@intvaluex by -\dimen3
|
|
% calculate y' = x \sin\theta + y \cos\theta
|
|
\global\p@intvaluey=\sine\dimen0
|
|
\dimen3=\cosine\dimen1
|
|
\global\advance\p@intvaluey by \dimen3
|
|
}}
|
|
\def\compute@bb{
|
|
\no@bbfalse
|
|
\if@bbllx \else \no@bbtrue \fi
|
|
\if@bblly \else \no@bbtrue \fi
|
|
\if@bburx \else \no@bbtrue \fi
|
|
\if@bbury \else \no@bbtrue \fi
|
|
\ifno@bb \bb@missing \fi
|
|
\ifno@bb \ps@typeout{FATAL ERROR: no bb supplied or found}
|
|
\no-bb-error
|
|
\fi
|
|
%
|
|
%\ps@typeout{BB: \@p@sbbllx, \@p@sbblly, \@p@sbburx, \@p@sbbury}
|
|
%
|
|
% store height/width of original (unrotated) bounding box
|
|
\count203=\@p@sbburx
|
|
\count204=\@p@sbbury
|
|
\advance\count203 by -\@p@sbbllx
|
|
\advance\count204 by -\@p@sbblly
|
|
\edef\ps@bbw{\number\count203}
|
|
\edef\ps@bbh{\number\count204}
|
|
%\ps@typeout{ psbbh = \ps@bbh, psbbw = \ps@bbw }
|
|
\if@angle
|
|
\Sine{\@p@sangle}\Cosine{\@p@sangle}
|
|
{\dimen100=\maxdimen\xdef\r@p@sbbllx{\number\dimen100}
|
|
\xdef\r@p@sbblly{\number\dimen100}
|
|
\xdef\r@p@sbburx{-\number\dimen100}
|
|
\xdef\r@p@sbbury{-\number\dimen100}}
|
|
%
|
|
% Need to rotate all four points and take the X-Y extremes of the new
|
|
% points as the new bounding box.
|
|
\def\minmaxtest{
|
|
\ifnum\number\p@intvaluex<\r@p@sbbllx
|
|
\xdef\r@p@sbbllx{\number\p@intvaluex}\fi
|
|
\ifnum\number\p@intvaluex>\r@p@sbburx
|
|
\xdef\r@p@sbburx{\number\p@intvaluex}\fi
|
|
\ifnum\number\p@intvaluey<\r@p@sbblly
|
|
\xdef\r@p@sbblly{\number\p@intvaluey}\fi
|
|
\ifnum\number\p@intvaluey>\r@p@sbbury
|
|
\xdef\r@p@sbbury{\number\p@intvaluey}\fi
|
|
}
|
|
% lower left
|
|
\rotate@{\@p@sbbllx}{\@p@sbblly}
|
|
\minmaxtest
|
|
% upper left
|
|
\rotate@{\@p@sbbllx}{\@p@sbbury}
|
|
\minmaxtest
|
|
% lower right
|
|
\rotate@{\@p@sbburx}{\@p@sbblly}
|
|
\minmaxtest
|
|
% upper right
|
|
\rotate@{\@p@sbburx}{\@p@sbbury}
|
|
\minmaxtest
|
|
\edef\@p@sbbllx{\r@p@sbbllx}\edef\@p@sbblly{\r@p@sbblly}
|
|
\edef\@p@sbburx{\r@p@sbburx}\edef\@p@sbbury{\r@p@sbbury}
|
|
%\ps@typeout{rotated BB: \r@p@sbbllx, \r@p@sbblly, \r@p@sbburx, \r@p@sbbury}
|
|
\fi
|
|
\count203=\@p@sbburx
|
|
\count204=\@p@sbbury
|
|
\advance\count203 by -\@p@sbbllx
|
|
\advance\count204 by -\@p@sbblly
|
|
\edef\@bbw{\number\count203}
|
|
\edef\@bbh{\number\count204}
|
|
%\ps@typeout{ bbh = \@bbh, bbw = \@bbw }
|
|
}
|
|
%
|
|
% \in@hundreds performs #1 * (#2 / #3) correct to the hundreds,
|
|
% then leaves the result in @result
|
|
%
|
|
\def\in@hundreds#1#2#3{\count240=#2 \count241=#3
|
|
\count100=\count240 % 100 is first digit #2/#3
|
|
\divide\count100 by \count241
|
|
\count101=\count100
|
|
\multiply\count101 by \count241
|
|
\advance\count240 by -\count101
|
|
\multiply\count240 by 10
|
|
\count101=\count240 %101 is second digit of #2/#3
|
|
\divide\count101 by \count241
|
|
\count102=\count101
|
|
\multiply\count102 by \count241
|
|
\advance\count240 by -\count102
|
|
\multiply\count240 by 10
|
|
\count102=\count240 % 102 is the third digit
|
|
\divide\count102 by \count241
|
|
\count200=#1\count205=0
|
|
\count201=\count200
|
|
\multiply\count201 by \count100
|
|
\advance\count205 by \count201
|
|
\count201=\count200
|
|
\divide\count201 by 10
|
|
\multiply\count201 by \count101
|
|
\advance\count205 by \count201
|
|
%
|
|
\count201=\count200
|
|
\divide\count201 by 100
|
|
\multiply\count201 by \count102
|
|
\advance\count205 by \count201
|
|
%
|
|
\edef\@result{\number\count205}
|
|
}
|
|
\def\compute@wfromh{
|
|
% computing : width = height * (bbw / bbh)
|
|
\in@hundreds{\@p@sheight}{\@bbw}{\@bbh}
|
|
%\ps@typeout{ \@p@sheight * \@bbw / \@bbh, = \@result }
|
|
\edef\@p@swidth{\@result}
|
|
%\ps@typeout{w from h: width is \@p@swidth}
|
|
}
|
|
\def\compute@hfromw{
|
|
% computing : height = width * (bbh / bbw)
|
|
\in@hundreds{\@p@swidth}{\@bbh}{\@bbw}
|
|
%\ps@typeout{ \@p@swidth * \@bbh / \@bbw = \@result }
|
|
\edef\@p@sheight{\@result}
|
|
%\ps@typeout{h from w : height is \@p@sheight}
|
|
}
|
|
\def\compute@handw{
|
|
\if@height
|
|
\if@width
|
|
\else
|
|
\compute@wfromh
|
|
\fi
|
|
\else
|
|
\if@width
|
|
\compute@hfromw
|
|
\else
|
|
\edef\@p@sheight{\@bbh}
|
|
\edef\@p@swidth{\@bbw}
|
|
\fi
|
|
\fi
|
|
}
|
|
\def\compute@resv{
|
|
\if@rheight \else \edef\@p@srheight{\@p@sheight} \fi
|
|
\if@rwidth \else \edef\@p@srwidth{\@p@swidth} \fi
|
|
%\ps@typeout{rheight = \@p@srheight, rwidth = \@p@srwidth}
|
|
}
|
|
%
|
|
% Compute any missing values
|
|
\def\compute@sizes{
|
|
\compute@bb
|
|
\if@scalefirst\if@angle
|
|
% at this point the bounding box has been adjsuted correctly for
|
|
% rotation. PSFIG does all of its scaling using \@bbh and \@bbw. If
|
|
% a width= or height= was specified along with \psscalefirst, then the
|
|
% width=/height= value needs to be adjusted to match the new (rotated)
|
|
% bounding box size (specifed in \@bbw and \@bbh).
|
|
% \ps@bbw width=
|
|
% ------- = ----------
|
|
% \@bbw new width=
|
|
% so `new width=' = (width= * \@bbw) / \ps@bbw; where \ps@bbw is the
|
|
% width of the original (unrotated) bounding box.
|
|
\if@width
|
|
\in@hundreds{\@p@swidth}{\@bbw}{\ps@bbw}
|
|
\edef\@p@swidth{\@result}
|
|
\fi
|
|
\if@height
|
|
\in@hundreds{\@p@sheight}{\@bbh}{\ps@bbh}
|
|
\edef\@p@sheight{\@result}
|
|
\fi
|
|
\fi\fi
|
|
\compute@handw
|
|
\compute@resv}
|
|
|
|
%
|
|
% \psfig
|
|
% usage : \psfig{file=, height=, width=, bbllx=, bblly=, bburx=, bbury=,
|
|
% rheight=, rwidth=, clip=}
|
|
%
|
|
% "clip=" is a switch and takes no value, but the `=' must be present.
|
|
\def\psfig#1{\vbox {
|
|
% do a zero width hard space so that a single
|
|
% \psfig in a centering enviornment will behave nicely
|
|
%{\setbox0=\hbox{\ }\ \hskip-\wd0}
|
|
%
|
|
\ps@init@parms
|
|
\parse@ps@parms{#1}
|
|
\compute@sizes
|
|
%
|
|
\ifnum\@p@scost<\@psdraft{
|
|
%
|
|
\special{ps::[begin] \@p@swidth \space \@p@sheight \space
|
|
\@p@sbbllx \space \@p@sbblly \space
|
|
\@p@sbburx \space \@p@sbbury \space
|
|
startTexFig \space }
|
|
\if@angle
|
|
\special {ps:: \@p@sangle \space rotate \space}
|
|
\fi
|
|
\if@clip{
|
|
\if@verbose{
|
|
\ps@typeout{(clip)}
|
|
}\fi
|
|
\special{ps:: doclip \space }
|
|
}\fi
|
|
\if@prologfile
|
|
\special{ps: plotfile \@prologfileval \space } \fi
|
|
\if@decmpr{
|
|
\if@verbose{
|
|
\ps@typeout{psfig: including \@p@sfile.Z \space }
|
|
}\fi
|
|
\special{ps: plotfile "`zcat \@p@sfile.Z" \space }
|
|
}\else{
|
|
\if@verbose{
|
|
\ps@typeout{psfig: including \@p@sfile \space }
|
|
}\fi
|
|
\special{ps: plotfile \@p@sfile \space }
|
|
}\fi
|
|
\if@postlogfile
|
|
\special{ps: plotfile \@postlogfileval \space } \fi
|
|
\special{ps::[end] endTexFig \space }
|
|
% Create the vbox to reserve the space for the figure.
|
|
\vbox to \@p@srheight sp{
|
|
% 1/92 TJD Changed from "true sp" to "sp" for magnification.
|
|
\hbox to \@p@srwidth sp{
|
|
\hss
|
|
}
|
|
\vss
|
|
}
|
|
}\else{
|
|
% draft figure, just reserve the space and print the
|
|
% path name.
|
|
\if@draftbox{
|
|
% Verbose draft: print file name in box
|
|
\hbox{\frame{\vbox to \@p@srheight sp{
|
|
\vss
|
|
\hbox to \@p@srwidth sp{ \hss \@p@sfile \hss }
|
|
\vss
|
|
}}}
|
|
}\else{
|
|
% Non-verbose draft
|
|
\vbox to \@p@srheight sp{
|
|
\vss
|
|
\hbox to \@p@srwidth sp{\hss}
|
|
\vss
|
|
}
|
|
}\fi
|
|
|
|
|
|
|
|
}\fi
|
|
}}
|
|
\psfigRestoreAt
|
|
\let\@=\LaTeXAtSign
|
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