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+% special.lpro - public domain.
+% header for the \special command
+% The structure of the PostScript produced by dvips for \special is:
+% @beginspecial
+% - any number of @hsize, @hoffset, @hscale, etc., commands
+% @setspecial
+% - the user's file of PostScript commands
+% @endspecial
+
+TeXDict begin
+/SDict 200 dict N
+SDict begin
+
+/@SpecialDefaults
+ { /hs 612 N
+ /vs 792 N
+ /ho 0 N
+ /vo 0 N
+ /hsc 1 N
+ /vsc 1 N
+ /ang 0 N
+ /CLIP 0 N
+ /rwiSeen false N
+ /rhiSeen false N
+ /letter {} N /note {} N /a4 {} N /legal {} N
+ } B
+
+%
+% The following definition sets up the units that hscale/vscale are in.
+% For certain sites this might require change, but it is
+% recommended instead that any macro packages that require
+% hscale/vscale set the units appropriately via
+%
+% \special{! /@scaleunit 1 def }
+%
+% if global, or
+%
+% \special{" /@scaleunit 1 def }
+%
+% before each instance if multiple macro packages with
+% different requirements are being used.
+%
+/@scaleunit 100 N
+% s @hscale - set scale factor
+/@hscale {@scaleunit div /hsc X} B
+/@vscale {@scaleunit div /vsc X} B
+
+% d @hsize - specify a horizontal clipping dimension
+/@hsize {/hs X /CLIP 1 N} B
+/@vsize {/vs X /CLIP 1 N} B
+
+/@clip {/CLIP 2 N} B
+
+% d @hoffset - specify a shift for the figure
+/@hoffset {/ho X} B
+/@voffset {/vo X} B
+
+% a @angle - set rotation angle
+/@angle {/ang X} B
+
+%
+% Here we handle bounding box calculations, if necessary.
+%
+/@rwi { 10 div /rwi X /rwiSeen true N } B % rwi will be real width after scaling
+/@rhi { 10 div /rhi X /rhiSeen true N } B % rhi will be real height after scaling
+/@llx { /llx X } B
+/@lly { /lly X } B
+/@urx { /urx X } B
+/@ury { /ury X } B
+
+/magscale true def
+
+end % of SDict
+
+/@MacSetUp
+ { userdict /md known % if md is defined
+ { userdict /md get type /dicttype eq % and if it is a dictionary
+ {
+ userdict begin % expand it if necessary
+ md length 10 add md maxlength ge
+ {/md md dup length 20 add dict copy def}if
+ end
+ md begin % then redefine some stuff
+ /letter {} N
+ /note {} N
+ /legal {} N
+ /od{txpose
+ 1 0 mtx defaultmatrix dtransform S atan/pa X
+ newpath clippath mark
+ {transform{itransform moveto}}
+ {transform{itransform lineto}}
+ { 6 -2 roll transform
+ 6 -2 roll transform
+ 6 -2 roll transform
+ { itransform 6 2 roll
+ itransform 6 2 roll
+ itransform 6 2 roll
+ curveto
+ }
+ }
+ {{closepath}}
+ pathforall newpath counttomark array astore /gc xdf
+ pop ct 39 0 put
+ 10 fz 0 fs 2 F/|______Courier fnt invertflag{PaintBlack}if
+ }N
+ /txpose{
+ pxs pys scale ppr aload pop
+ por {
+ noflips {
+ pop S neg S TR pop 1 -1 scale
+ }if
+ xflip yflip and {
+ pop S neg S TR 180 rotate 1 -1 scale
+ ppr 3 get ppr 1 get neg sub neg ppr 2 get
+ ppr 0 get neg sub neg TR
+ }if
+ xflip yflip not and {
+ pop S neg S TR pop 180 rotate
+ ppr 3 get ppr 1 get neg sub neg 0 TR
+ }if
+ yflip xflip not and {
+ ppr 1 get neg ppr 0 get neg TR
+ }if
+ }
+ {
+ noflips {
+ TR pop pop 270 rotate 1 -1 scale
+ }if
+ xflip yflip and {
+ TR pop pop 90 rotate 1 -1 scale
+ ppr 3 get ppr 1 get neg sub neg ppr 2 get
+ ppr 0 get neg sub neg TR
+ }if
+ xflip yflip not and {
+ TR pop pop 90 rotate ppr 3 get
+ ppr 1 get neg sub neg 0 TR
+ }if
+ yflip xflip not and {
+ TR pop pop 270 rotate ppr 2 get
+ ppr 0 get neg sub neg 0 S TR
+ }if
+ }ifelse
+ scaleby96 {
+ ppr aload pop 4 -1 roll add 2 div 3 1 roll add 2 div 2 copy
+ TR .96 dup scale neg S neg S TR
+ }if
+ }N
+ /cp {pop pop showpage pm restore}N
+ end
+ }if
+ } if
+ } N
+
+%
+% The following procedure brings us back to PostScript size. It takes
+% into account the current global dvi magnification, so graphics
+% scale with the document.
+%
+/normalscale {
+ Resolution 72 div VResolution 72 div neg scale
+ magscale { DVImag dup scale } if
+ 0 setgray
+} N
+%
+% this will be invoked as the result of a \special command (for the
+% inclusion of PostScript graphics). The basic idea is to change all
+% scaling and graphics back to defaults, but to shift the origin
+% to the current position on the page.
+
+/@beginspecial % - @beginspecial - -- enter special mode
+ { SDict begin
+ /SpecialSave save N
+ gsave
+ normalscale
+ currentpoint TR %set the current point as the user's origin
+ @SpecialDefaults % setup default offsets, scales, sizes, and angle
+ count /ocount X /dcount countdictstack N
+ } N
+
+/@setspecial % to setup user specified offsets, scales, sizes (for clipping)
+ {
+ CLIP 1 eq
+ { newpath 0 0 moveto hs 0 rlineto 0 vs rlineto hs neg 0 rlineto
+ closepath clip }
+ if
+ ho vo TR
+ hsc vsc scale
+ ang rotate
+ rwiSeen {
+ rwi urx llx sub div
+ rhiSeen { rhi ury lly sub div } { dup } ifelse
+ scale llx neg lly neg TR
+ } {
+ rhiSeen { rhi ury lly sub div dup scale llx neg lly neg TR } if
+ } ifelse
+ CLIP 2 eq
+ { newpath llx lly moveto urx lly lineto urx ury lineto llx ury lineto
+ closepath clip }
+ if
+ /showpage {} N
+ /erasepage {} N
+ /setpagedevice { pop } N
+ /copypage {} N
+ newpath
+ } N
+
+/@endspecial % - @endspecial - -- leave special mode
+ { count ocount sub {pop} repeat
+ countdictstack dcount sub {end} repeat
+ grestore SpecialSave restore
+ end
+ } N
+/@defspecial
+ {
+ SDict begin
+ } N
+/@fedspecial
+ {
+ end
+ } B
+
+%%% macros for tpic
+/li % x y li - -- draw line to
+ { lineto
+ } B
+
+/rl % dx dy rl - -- draw relative line
+ { rlineto
+ } B
+
+/rc % x0 y0 x1 y1 y2 y2 rc -- draw bezier curve
+ { rcurveto
+ } B
+
+/np % np - -- start a new path and save currentpoint
+ { /SaveX currentpoint /SaveY X N % remember current point
+ 1 setlinecap
+ newpath
+ } N
+
+/st % st - -- draw the last path and restore currentpoint
+ { stroke
+ SaveX SaveY moveto % restore the current point
+ } N
+
+/fil % fil -- fill the last path and restore currentpoint
+ { fill
+ SaveX SaveY moveto % restore the current point
+ } N
+
+/ellipse % xc yc xrad yrad startAngle endAngle ellipse
+ {
+ /endangle X
+ /startangle X
+ /yrad X
+ /xrad X
+
+ /savematrix matrix currentmatrix N
+
+ TR xrad yrad scale
+ 0 0 1 startangle endangle arc
+ savematrix setmatrix
+ } N
+%%% end of macros for tpic
+end % revert to previous dictionary