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+%!
+% This is the prolog used by OzTeX 1.6 to convert a DVI file into PostScript.
+
+% Set dev to "LW" if LaserWriter, "LINO" if Linotronic, or "?" if unknown:
+
+/dev (?) def
+statusdict /product known {
+ statusdict /product get
+ (LaserWriter) anchorsearch { pop pop /dev (LW) def } { pop } ifelse
+ statusdict /product get
+ (Linotype) anchorsearch { pop pop /dev (LINO) def } { pop } ifelse
+} if
+
+/@setup { % set up OzTeX's coordinate system
+
+/res exch def % desired resolution (defines dots per inch)
+/voff exch def % vertical offset (in dots)
+/hoff exch def % horizontal offset (in dots)
+/ht exch def % paper height (in dots)
+/wd exch def % paper width (in dots)
+
+/land wd ht gt def % print in landscape orientation?
+/oshift ht res sub neg def % vertical shift (in dots) for portrait origin
+
+dev (?) eq % unknown device?
+{ land
+ { % landscape
+ 90 rotate % rotate axes 90deg anticlockwise
+ 72 res div dup neg scale % units now device dots
+ res dup translate % move to TeX origin
+ voff neg hoff translate % adjust TeX origin if necessary
+ }
+ { % portrait
+ 72 res div dup neg scale % units now device dots
+ res oshift translate % move to TeX origin
+ hoff voff translate % adjust TeX origin if necessary
+ } ifelse
+} if
+
+dev (LW) eq % LaserWriter?
+{
+ % Display model and version in OzTeX window:
+ % (\rmodel = ) print statusdict /product get print
+ % (\rversion = ) print version print (\r) print flush
+
+ land
+ { % landscape
+ 90 rotate % rotate axes 90deg anticlockwise
+ 72 res div dup neg scale % units now device dots
+ res dup translate % move to TeX origin
+ voff neg hoff translate % adjust TeX origin if necessary
+
+ % Model-specific adjustments to origin can be made here:
+ statusdict /product get (LaserWriter) eq
+ { -90 0 translate % move left a bit
+ }
+ { statusdict /product get (LaserWriter Plus) eq
+ { -32 0 translate % move left a bit
+ }
+ { statusdict /product get (LaserWriter II NTX) eq
+ { -20 0 translate % move left a bit
+ }
+ { statusdict /product get (LaserWriter IIg) eq
+ { 0 0 translate
+ }
+ { % some other model
+ 0 0 translate
+ }
+ ifelse } ifelse } ifelse } ifelse
+ }
+ { % portrait
+ 72 res div dup neg scale % units now device dots
+ res oshift translate % move to TeX origin
+ hoff voff translate % adjust TeX origin if necessary
+
+ % Model-specific adjustments to origin can be made here:
+ statusdict /product get (LaserWriter) eq
+ { 0 22 translate % move down a bit
+ }
+ { statusdict /product get (LaserWriter Plus) eq
+ { 0 0 translate
+ }
+ { statusdict /product get (LaserWriter II NTX) eq
+ { 0 14 translate % move down a bit
+ }
+ { statusdict /product get (LaserWriter IIg) eq
+ { 0 0 translate
+ }
+ { % some other model
+ 0 0 translate
+ }
+ ifelse } ifelse } ifelse } ifelse
+ } ifelse
+
+ % The matrix produced above can cause scaling problems,
+ % so round each matrix value to nearest integer and use setmatrix:
+ matrix currentmatrix
+ dup dup 0 get round cvi 0 exch put
+ dup dup 1 get round cvi 1 exch put
+ dup dup 2 get round cvi 2 exch put
+ dup dup 3 get round cvi 3 exch put
+ dup dup 4 get round cvi 4 exch put
+ dup dup 5 get round cvi 5 exch put
+ setmatrix
+
+ % Display new matrix in OzTeX window:
+ % matrix currentmatrix
+ % dup 0 get ( ) cvs print ( ) print
+ % dup 1 get ( ) cvs print ( ) print
+ % dup 2 get ( ) cvs print ( ) print
+ % dup 3 get ( ) cvs print ( ) print
+ % dup 4 get ( ) cvs print ( ) print
+ % dup 5 get ( ) cvs print (\r) print flush
+ % pop
+} if
+
+dev (LINO) eq % Linotronic?
+{ land
+ { % landscape
+ 90 rotate % rotate axes 90deg anticlockwise
+ 72 res div dup neg scale % units now device dots
+ res dup translate % move to TeX origin
+ voff neg hoff translate % adjust TeX origin if necessary
+ }
+ { % portrait
+ newpath clippath pathbbox % push LLx LLy URx URy (URy = ht in pts)
+ /paperht exch 72 div def % paper height in inches
+ pop pop pop % remove URx LLy LLx
+ 72 res div dup neg scale % units now device dots
+ res paperht res mul neg res add
+ translate % move to TeX origin
+ hoff voff translate % adjust TeX origin if necessary
+ } ifelse
+} if
+
+% Some fine-tuning of the code used to draw a rule is necessary.
+% Use page 18 in nasty.dvi to check results:
+
+dev (LW) eq % LaserWriter?
+{ version cvr 38.0 le % early model?
+ { land
+ { % landscape
+ /r % set a wd by ht rule at h,v
+ { newpath
+ moveto % move to h,v
+ /ht exch 1 sub def % reduce height by 1
+ /wd exch 1 sub def % ditto for width
+ wd 0 rlineto
+ 0 ht neg rlineto
+ wd neg 0 rlineto
+ fill
+ } bind def
+ }
+ { % portrait
+ /r % set a wd by ht rule at h,v
+ { newpath
+ 1 add moveto % move to h,v+1
+ /ht exch 1 sub def % reduce height by 1
+ /wd exch 1 sub def % ditto for width
+ wd 0 rlineto
+ 0 ht neg rlineto
+ wd neg 0 rlineto
+ fill
+ } bind def
+ } ifelse
+ } if
+ version cvr 2000.0 gt % IIg or newer model?
+ {
+ /r % set a wd by ht rule at h,v
+ { newpath
+ 1 add moveto % move to h,v+1
+ /ht exch def % set height
+ /wd exch def % set width
+ wd 0 rlineto
+ 0 ht neg rlineto
+ wd neg 0 rlineto
+ fill
+ } bind def
+ } if
+} if
+
+/mtrx 6 array def
+mtrx currentmatrix pop % save our new transformation matrix
+
+} def % end of @setup
+
+% @saveVM and @restoreVM are only used if we are conserving VM
+% by downloading font bitmaps more often:
+
+/@saveVM {/prefontVM save def} def
+/@restoreVM {prefontVM restore} def
+
+/@newfont % create new font dict
+{ /maxchcode exch def
+ /fontid exch def
+ fontid 7 dict def
+ fontid load begin
+ /FontType 3 def
+ /FontMatrix [1 0 0 -1 0 0] def % -1 because y scale is negative
+ /FontBBox [0 0 1 1] def
+ /BitMaps maxchcode 1 add array def
+ /BuildChar {CharBuilder} def
+
+ /Encoding 256 array def
+ 0 1 255 {Encoding exch /.notdef put} for
+
+ % The above 2 lines fix a definefont error that occurs on some printers
+ % (eg. the LaserWriter NTX-J). If you have an old LaserWriter and
+ % now get VM errors then you might want to revert to the old code:
+ %
+ % /Encoding maxchcode 1 add array def
+ % 0 1 maxchcode {Encoding exch /.notdef put} for
+
+ end
+ fontid fontid load definefont pop
+} def
+
+% The char data, a bitmap descriptor, is an array with 6 elements;
+% element 0 is either a hex string or an array of hex strings (the latter
+% is required for large PK chars with more than 65535 hex digits):
+
+/ch-image {ch-data 0 get dup type /stringtype ne {N get /N N 1 add def} if
+ } def % hex string
+/ch-width {ch-data 1 get} def % the number of pixels across
+/ch-height {ch-data 2 get} def % the number of pixels tall
+/ch-xoff {ch-data 3 get} def % number of pixels to left of origin
+/ch-yoff {ch-data 4 get} def % number of pixels below origin
+/ch-advw {ch-data 5 get} def % advance width
+
+% The following character builder looks up the char data in the BitMaps array
+% and paints the character:
+
+/CharBuilder % image one char
+{ /ch-code exch def % save the char code
+ /font-dict exch def % and the font dict
+ /ch-data font-dict /BitMaps get
+ ch-code get def
+ /N 0 def
+ ch-advw 0
+ ch-xoff neg ch-height ch-yoff sub 1 sub neg % -xo , -(ht-yo-1)
+ ch-width ch-xoff sub 1 sub ch-yoff % (wd-xo-1) , yo
+ setcachedevice
+ ch-width ch-height true
+ [1 0 0 -1 ch-xoff ch-yoff] % bitmap sent top to bottom
+ {ch-image}
+ imagemask
+} def
+
+/sf {setfont} def % set current font
+
+/dc % define new character
+{ /ch-code exch def
+ /ch-data exch def
+
+ % The following code should be enabled if you have an old LaserWriter.
+ % It attempts to overcome a bug that causes the printer to crash
+ % and print a test page rather then report a VMerror.
+ %
+ % vmstatus % returns: savelevel vmused vmmax
+ % 10000 sub gt % is vmused > (vmmax-10000)?
+ % { pop VMERROR } % causes error message (avoiding crash)
+ % { pop } % pop savelevel
+ % ifelse
+
+ currentfont /BitMaps get ch-code ch-data put
+ currentfont /Encoding get ch-code
+ dup ( ) cvs cvn put % generate unique name
+} bind def
+
+/@bop0 {pop} def % begin DVI page n
+
+/@bop1 % begin setting DVI page n
+{ pop % throw away page number
+ initgraphics % start with a clean slate
+ mtrx setmatrix % switch to our TeX coordinate system
+ /prepageVM save def % save state of VM at start of page
+} def
+
+/@eop % end DVI page n
+{ pop % throw away page number
+ prepageVM restore % restore VM to state at start of page
+ showpage
+} def
+
+/@end { } def % end of file
+
+% h and s are used to typeset downloaded bitmap fonts:
+
+/h {exch 0 rmoveto show} bind def % move right by dh and show (...)
+
+/s {3 1 roll moveto show} bind def % move to h,v and show (...)
+
+% H and S are used to typeset PostScript fonts.
+% We can't use relative horizontal positioning because the advance widths in
+% a PostScript font are not integers and rounding errors would accumulate:
+
+/H {exch v moveto show} bind def % move to h,v and show (...)
+
+/S % ditto, and save v position
+{ 3 1 roll
+ 1 add % v+1 to match baseline of bitmap fonts
+ dup /v exch def
+ moveto show
+} bind def
+
+% r is used to typeset a rule:
+
+/r % set a wd by ht rule at h,v
+{ newpath
+ moveto % move to h,v
+ /ht exch 1 sub def % reduce height by 1
+ /wd exch 1 sub def % ditto for width
+ wd 0 rlineto
+ 0 ht neg rlineto
+ wd neg 0 rlineto
+ fill
+} bind def
+
+% Following procedures are invoked as the result of \special{file}.
+% We change all scaling and graphics back to defaults, but shift the origin
+% to the current position on the page:
+
+/@bsp
+{ /vmag exch def % vertical scaling
+ /hmag exch def % horizontal scaling
+ moveto % move to h,v
+ gsave
+ /prespecialVM save def % save showpage, TeX procedures etc.
+ currentpoint transform
+ initgraphics itransform translate
+ hmag vmag scale
+ land { 90 rotate } if % rotate axes if landscape
+ /showpage { } def % user does not have to remove showpage
+} bind def
+
+/@esp
+{ prespecialVM restore % restore saved showpage value etc.
+ grestore
+} bind def
+
+% Following procedures are invoked as the result of \special{epsf=file}.
+% Note that @bepsf and @eepsf are currently identical to @bsp and @esp
+% but it is a good idea to allow for future changes:
+
+/@bepsf
+{ /vmag exch def % vertical scaling
+ /hmag exch def % horizontal scaling
+ moveto % move to h,v
+ gsave
+ /prespecialVM save def % save showpage, TeX procedures etc.
+ currentpoint transform
+ initgraphics itransform translate
+ hmag vmag scale
+ land { 90 rotate } if % rotate axes if landscape
+ /showpage { } def % user does not have to remove showpage
+} bind def
+
+/@eepsf
+{ prespecialVM restore % restore saved showpage value etc.
+ grestore
+} bind def
+
+% Here is the code to handle bitmaps generated by PICT/PNTG \specials:
+
+/@bitmap
+{ /vmag exch def % vertical scaling
+ /hmag exch def % horizontal scaling
+ /vres exch def % vertical resolution of bitmap
+ /hres exch def % horizontal resolution of bitmap
+ /ht exch def % height
+ /wd exch def % width
+ /hexstring ht string def
+ gsave
+ 1 add translate % set origin to h,v+1
+ res hres div wd mul hmag mul
+ res vres div ht mul vmag mul neg scale
+ wd ht true
+ [ wd 0 0 ht neg 0 ht ]
+ { currentfile hexstring readhexstring pop }
+ imagemask
+ grestore
+} def
+
+% Here are the definitions needed to handle PostScript fonts:
+
+/sp % scaled pts to device dots
+{ 16#10000 div % scaled pts to pts
+ res mul 72.27 div % pts to device dots
+} bind def
+
+/PSfont
+{ /fontname exch def % printer font name
+ /dotsize exch def % scaled dot size
+ /done false def
+
+ % check if fontname is one of the special printer font names
+ % appearing in the current config file's PS font list:
+ fontname /Slanted-Times-Roman eq
+ { /Times-Roman findfont [1 0 .167 -1 0 0] makefont
+ dotsize scalefont setfont
+ /done true def
+ } if
+
+ % other nice tricks can be included here if the appropriate PS font
+ % specification is added to the current config file:
+ % fontname /Extended-Times-Roman eq
+ % { /Times-Roman findfont [1.2 0 0 -1 0 0] makefont
+ % dotsize scalefont setfont
+ % /done true def
+ % } if
+
+ done not
+ { fontname findfont [1 0 0 -1 0 0] makefont
+ dotsize scalefont setfont
+ } if
+} bind def
+
+% count 0 gt
+% { (\r *** Bug in DVItoPS.ps: stuff left on stack *** \r) print flush
+% } if
+
+% --------------- end of OzTeX's prolog ---------------
+
+2480 3496 0 0 300 @setup
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