1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353
|
% tex.lpro - public domain.
%
% The following defines procedures assumed and used by program "dvips"
% and must be downloaded or sent as a header file for all TeX jobs.
% Originated by Neal Holtz, Carleton University, Ottawa, Canada
% <holtz@cascade.carleton.cdn>
% June, 1985
%
% Hacked by tgr, July 1987, stripped down to bare essentials,
% plus a few new commands for speed.
%
% Hacked by don, December 1989, to give characters top down and to
% remove other small nuisances; merged with tgr's compression scheme
%
% To convert this file into a downloaded file instead of a header
% file, uncomment all of the lines beginning with %-%
%
% To observe available VM, uncomment the following.
% (The first ten lines define a general 'printnumber' routine.)
%
% /VirginMtrx 6 array currentmatrix def
% /dummystring 20 string def
% /numberpos 36 def
% /printnumber { gsave VirginMtrx setmatrix
% /Helvetica findfont 10 scalefont setfont
% 36 numberpos moveto
% /numberpos numberpos 12 add def
% dummystring cvs show
% grestore
% } bind def
% /showVM { vmstatus exch sub exch pop printnumber } def
% /eop-aux { showVM } def
%
%-%0000000 % Server loop exit password
%-%serverdict begin exitserver
%-% systemdict /statusdict known
%-% {statusdict begin 9 0 3 setsccinteractive /waittimeout 300 def end}
%-% if
/TeXDict 300 dict def % define a working dictionary
TeXDict begin % start using it.
/N {def} def
/B {bind def} N
/S {exch} N
/X { S N } B
/A {dup} B
/TR {translate} N
% The output of dvips assumes pixel units, Resolution/inch, with
% increasing y coordinates corresponding to moving DOWNWARD.
% The PostScript default is big point units (bp), 72/inch, with
% increasing y coordinates corresponding to moving UP; the
% following routines handle conversion to dvips conventions.
% Let the PostScript origin be (xps,yps) in dvips coordinates.
/isls false N
/vsize 11 72 mul N
/hsize 8.5 72 mul N
/landplus90 { false } def % make this true to flip landscape
/@rigin % -xps -yps @rigin - establishes dvips conventions
{ isls { [ 0 landplus90 { 1 -1 } { -1 1 } ifelse 0 0 0 ] concat } if
72 Resolution div 72 VResolution div neg scale
isls { landplus90 { VResolution 72 div vsize mul 0 exch }
{ Resolution -72 div hsize mul 0 } ifelse TR } if
Resolution VResolution vsize -72 div 1 add mul TR
% As bad as setmatrix is, it is better than misalignment.
[ matrix currentmatrix
{ A A round sub abs 0.00001 lt {round} if } forall
round exch round exch
] setmatrix } N
/@landscape { /isls true N } B
/@manualfeed
{ statusdict /manualfeed true put
} B
% n @copies - set number of copies
/@copies
{ /#copies X
} B
% Bitmap fonts are called Fa, Fb, ..., Fz, F0, F1 . . . Ga . . .
% The calling sequence for downloading font foo is
% /foo df charde1 ... chardefn E
% where each chardef is
% <hexstring> wd ht xoff yoff dx charno D
% or <hexstring> wd ht xoff yoff dx I
% or <hexstring> charno D
% or <hexstring> I
/FMat [1 0 0 -1 0 0] N
/FBB [0 0 0 0] N
/nn 0 N /IEn 0 N /ctr 0 N
/df-tail % id numcc maxcc df-tail -- initialize a new font dictionary
{
% dmystr 2 fontname cvx (@@@@) cvs putinterval % put name in template
/nn 8 dict N % allocate new font dictionary
nn begin
/FontType 3 N
/FontMatrix fntrx N
/FontBBox FBB N
string /base X
array /BitMaps X
/BuildChar {CharBuilder} N
/Encoding IEn N
end
A { /foo setfont } % dummy macro to be filled in
2 array copy cvx N % have to allocate a new one
load % now we change it
% 0 dmystr 6 string copy % get a copy of the font name
0 nn put
% cvn cvx put % and stick it in the dummy macro
/ctr 0 N % go, count, and etc.
[ % start next char definition
} B
/sf 0 N
/df {
/sf 1 N
/fntrx FMat N
df-tail
} B
/dfs { div /sf X
/fntrx [ sf 0 0 sf neg 0 0 ] N
df-tail
} B
/E { pop nn A definefont setfont } B
% the following is the only character builder we need. it looks up the
% char data in the BitMaps array, and paints the character if possible.
% char data -- a bitmap descriptor -- is an array of length 6, of
% which the various slots are:
/Cw {Cd A length 5 sub get} B % the number of pixels across
/Ch {Cd A length 4 sub get} B % the number of pixels tall
/Cx {128 Cd A length 3 sub get sub} B % num pixels right of origin
/Cy {Cd A length 2 sub get 127 sub} B % number of pixels below origin
/Cdx {Cd A length 1 sub get} B % number of pixels to next character
/Ci {Cd A type /stringtype ne
{ ctr get /ctr ctr 1 add N } if
} B % the hex string image, or array of same
% begin code for uncompressed fonts only
/CharBuilder % fontdict ch Charbuilder - -- image one character
{save 3 1 roll S A /base get 2 index get S /BitMaps get S get
/Cd X pop
/ctr 0 N
Cdx 0 Cx Cy Ch sub
Cx Cw add Cy
setcachedevice
Cw Ch true
[1 0 0 -1 -.1 Cx sub Cy .1 sub]
{Ci} imagemask
restore
} B
% end code for uncompressed fonts only
% % here's the alternate code for unpacking compressed fonts
% /id 0 N /rw 0 N /rc 0 N /gp 0 N /cp 0 N /G 0 N
% /CharBuilder % fontdict ch Charbuilder - -- image one character
% {save 3 1 roll S A /base get 2 index get S /BitMaps get S get
% /Cd X pop
% /ctr 0 N
% Cdx 0 Cx Cy Ch sub
% Cx Cw add Cy
% setcachedevice
% Cw Ch true
% [1 0 0 -1 -.1 Cx sub Cy .1 sub]
% /id Ci N % image data
% /rw Cw 7 add 8 idiv string N % row, initially zero
% /rc 0 N % repeat count
% /gp 0 N % image data pointer
% /cp 0 N % column pointer
% { rc 0 ne { rc 1 sub /rc X rw } { G } ifelse } imagemask
% restore
% } B
% /G { { id gp get /gp gp 1 add N
% A 18 mod S 18 idiv pl S get exec } loop } B
% /adv { cp add /cp X } B
% /chg { rw cp id gp 4 index getinterval putinterval
% A gp add /gp X adv } B
% /nd { /cp 0 N rw exit } B
% /lsh { rw cp 2 copy get A 0 eq { pop 1 } { A 255 eq { pop 254 }
% { A A add 255 and S 1 and or } ifelse } ifelse put 1 adv } B
% /rsh { rw cp 2 copy get A 0 eq { pop 128 } { A 255 eq { pop 127 }
% { A 2 idiv S 128 and or } ifelse } ifelse put 1 adv } B
% /clr { rw cp 2 index string putinterval adv } B
% /set { rw cp fillstr 0 4 index getinterval putinterval adv } B
% /fillstr 18 string 0 1 17 { 2 copy 255 put pop } for N
% /pl [
% { adv 1 chg }
% { adv 1 chg nd }
% { 1 add chg }
% { 1 add chg nd }
% { adv lsh }
% { adv lsh nd }
% { adv rsh }
% { adv rsh nd }
% { 1 add adv }
% { /rc X nd }
% { 1 add set }
% { 1 add clr }
% { adv 2 chg }
% { adv 2 chg nd }
% { pop nd } ] A { bind pop } forall N
% % end of code for unpacking compressed fonts
/D % char-data ch D - -- define character bitmap in current font
{ /cc X
A type /stringtype ne {]} if
nn /base get cc ctr put
nn /BitMaps get S ctr S
sf 1 ne {
A A length 1 sub A 2 index S get sf div put
} if
put
/ctr ctr 1 add N
} B
/I % a faster D for when the next char follows immediately
{ cc 1 add D } B
/bop % %t %d bop - -- begin a brand new page, %t=pageno %d=seqno
{
userdict /bop-hook known { bop-hook } if
/SI save N
@rigin
%
% Now we check the resolution. If it's correct, we use RV as V,
% otherwise we use QV.
%
0 0 moveto
/V matrix currentmatrix
A 1 get A mul exch 0 get A mul add .99 lt
{/QV} {/RV} ifelse load def
pop pop
} N
/eop % - eop - -- end a page
{ % eop-aux % -- to observe VM usage
SI restore
userdict /eop-hook known { eop-hook } if
showpage
} N
/@start % hsz vsz mag dpi vdpi name @start - -- start everything
{
userdict /start-hook known { start-hook } if
pop % the job name string is used only by start-hook
/VResolution X
/Resolution X
1000 div /DVImag X
/IEn 256 array N
2 string 0 1 255 { IEn S A 360 add 36 4 index cvrs cvn put } for pop
65781.76 div /vsize X
65781.76 div /hsize X
} N
/p {show} N % the main character setting routine
/RMat [ 1 0 0 -1 0 0 ] N % things we need for rules
/BDot 260 string N
/Rx 0 N /Ry 0 N
%
% What we need to do to get things to work here is tragic.
%
/V {} B /RV
/v { % can't use ...fill; it makes rules too big
/Ry X /Rx X
V
} B
%
% Which do we use? The first if we are talking to Display
% PostScript, the latter otherwise.
%
statusdict begin /product where
{ pop false [(Display) (NeXT) (LaserWriter 16/600)] {
A length product length le {
A length product exch 0 exch getinterval eq
{ pop true exit } if
} { pop } ifelse
} forall }
{ false } ifelse end
{ {
gsave
TR -.1 .1 TR 1 1 scale Rx Ry
false RMat { BDot } imagemask
grestore
} }
{ {
gsave
TR -.1 .1 TR Rx Ry scale 1 1
false RMat { BDot } imagemask
grestore
} } ifelse B
%
% We use this if the resolution doesn't match.
%
/QV {
gsave
newpath transform round exch round exch itransform moveto
Rx 0 rlineto 0 Ry neg rlineto
Rx neg 0 rlineto fill
grestore
} B
%
/a { moveto } B % absolute positioning
/delta 0 N % we need a variable to hold space moves
%
% The next ten macros allow us to make horizontal motions that
% are within 4 of the previous horizontal motion with a single
% character. These are typically used for spaces.
%
/tail { A /delta X 0 rmoveto } B
/M { S p delta add tail } B
/b { S p tail } B % show and tail!
/c { -4 M } B
/d { -3 M } B
/e { -2 M } B
/f { -1 M } B
/g { 0 M } B
/h { 1 M } B
/i { 2 M } B
/j { 3 M } B
/k { 4 M } B
%
% These next allow us to make small motions (-4..4) cheaply.
% Typically used for kerns.
%
/w { 0 rmoveto } B
/l { p -4 w } B
/m { p -3 w } B
/n { p -2 w } B
/o { p -1 w } B
/q { p 1 w } B
/r { p 2 w } B
/s { p 3 w } B
/t { p 4 w } B
%
% x is good for small vertical positioning.
% And y is good for a print followed by a move.
%
/x { 0 S rmoveto } B
/y { 3 2 roll p a } B
%
% The bos and eos commands bracket sections of downloaded characters.
%
/bos { /SS save N } B
/eos { SS restore } B
end % revert to previous dictionary
|