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TeX 1995 July
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TeX CD-ROM July 1995 (Disc 1)(Walnut Creek)(1995).ISO
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oztex-german
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OzTeX-1.4d.sit.bin
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OzTeX 1.4
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DVItoPS.ps
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1992-01-15
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%!
% This is the prolog used by OzTeX 1.4 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 dup
(LaserWriter) anchorsearch { pop pop /dev (LW) def } { pop } ifelse
(Linotype) anchorsearch { pop pop /dev (LINO) def } { pop } ifelse
} if
% OzTeX calls @setup with the following parameters:
% resolution (integer), landscape (boolean), horizontal and vertical offsets
% (integers that are used to position the TeX origin correctly) .
/@setup { % set up OzTeX's coordinate system
/voff exch def
/hoff exch def
/land exch def
/res exch def
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 -10.7 res mul translate % move to TeX origin
hoff voff translate % adjust TeX origin if necessary
} ifelse
} if
dev (LW) eq % LaserWriter?
{ land
{ % landscape
% rotate/scale/translate can cause scaling problems, so use setmatrix:
version cvr 38.0 le
{ [ 0 -1 1 0 235 hoff add 3100 voff add ] setmatrix } % LaserWriter
{ version cvr 47.0 lt
{ [ 0 -1 1 0 235 hoff add 3130 voff add ] setmatrix } % LaserWriter Plus
{ [ 0 -1 1 0 235 hoff add 3160 voff add ] setmatrix } % LaserWriter II NTX
% add y to move TeX origin down by y pixels
% add x to move TeX origin LEFT by x pixels
ifelse } ifelse
}
{ % portrait
% scale/translate can cause scaling problems, so use setmatrix:
version cvr 38.0 le
{ [ 1 0 0 1 235 hoff add 190 voff add ] setmatrix } % LaserWriter
{ version cvr 47.0 lt
{ [ 1 0 0 1 235 hoff add 215 voff add ] setmatrix } % LaserWriter Plus
{ [ 1 0 0 1 235 hoff add 265 voff add ] setmatrix } % LaserWriter II NTX
% add x to move TeX origin right by x pixels
% add y to move TeX origin down by y pixels
ifelse } ifelse
} ifelse
} 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
/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 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:
/ch-image {ch-data 0 get} def % the hex string image
/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
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 resident 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
% Some fine-tuning of the code used to draw a rule is necessary:
dev (LW) eq % LaserWriter?
version cvr 38.0 le and % and version <= 38.0?
{
/r % set a wd by ht rule at h,v
{ newpath
1 add moveto % move to h,v+1 (don't ask me why)
/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
}
{
/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
} ifelse
% 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 resident 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 % uses dot size and TFM name
{ dup /Times-Slanted eq
{pop /Times-Roman findfont [1 0 .268 -1 0 0] makefont exch scalefont setfont}
{findfont [1 0 0 -1 0 0] makefont exch scalefont setfont}
ifelse
} bind def
% End of OzTeX's prolog.