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📄 drawpixels.ps

📁 计算机图形学~想必是很多人需要的~在此共享一下
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%!PS-Adobe-1.0%%Creator: splat:n8 (Nate Robins,,,,,,,<engr>)%%Title: stdin (ditroff)%%CreationDate: Tue Jul 22 19:14:23 1997%%EndComments% Start of psdit.pro -- prolog for ditroff translator% Copyright (c) 1985,1987 Adobe Systems Incorporated. All Rights Reserved. % GOVERNMENT END USERS: See Notice file in TranScript library directory% -- probably /usr/lib/ps/Notice% $Revision: 1.2 $/$DITroff 140 dict def $DITroff begin/fontnum 1 def /fontsize 10 def /fontheight 10 def /fontslant 0 def/xi {0 72 11 mul translate 72 resolution div dup neg scale 0 0 moveto  /fontnum 1 def /fontsize 10 def /fontheight 10 def /fontslant 0 def F  /pagesave save def}def/PB{save /psv exch def currentpoint translate  resolution 72 div dup neg scale 0 0 moveto}def/PE{psv restore}def/m1 matrix def /m2 matrix def /m3 matrix def /oldmat matrix def/tan{dup sin exch cos div}bind def/point{resolution 72 div mul}bind def/dround	{transform round exch round exch itransform}bind def/xT{/devname exch def}def/xr{/mh exch def /my exch def /resolution exch def}def/xp{}def/xs{docsave restore end}def/xt{}def/xf{/fontname exch def /slotno exch def fontnames slotno get fontname eq not {fonts slotno fontname findfont put fontnames slotno fontname put}if}def/xH{/fontheight exch def F}bind def/xS{/fontslant exch def F}bind def/s{/fontsize exch def /fontheight fontsize def F}bind def/f{/fontnum exch def F}bind def/F{fontheight 0 le {/fontheight fontsize def}if   fonts fontnum get fontsize point 0 0 fontheight point neg 0 0 m1 astore   fontslant 0 ne{1 0 fontslant tan 1 0 0 m2 astore m3 concatmatrix}if   makefont setfont .04 fontsize point mul 0 dround pop setlinewidth}bind def/X{exch currentpoint exch pop moveto show}bind def/N{3 1 roll moveto show}bind def/Y{exch currentpoint pop exch moveto show}bind def/S /show load def/ditpush{}def/ditpop{}def/AX{3 -1 roll currentpoint exch pop moveto 0 exch ashow}bind def/AN{4 2 roll moveto 0 exch ashow}bind def/AY{3 -1 roll currentpoint pop exch moveto 0 exch ashow}bind def/AS{0 exch ashow}bind def/MX{currentpoint exch pop moveto}bind def/MY{currentpoint pop exch moveto}bind def/MXY /moveto load def/cb{pop}def	% action on unknown char -- nothing for now/n{}def/w{}def/p{pop showpage pagesave restore /pagesave save def}def/abspoint{currentpoint exch pop add exch currentpoint pop add exch}def/dstroke{currentpoint stroke moveto}bind def/Dl{2 copy gsave rlineto stroke grestore rmoveto}bind def/arcellipse{oldmat currentmatrix pop currentpoint translate 1 diamv diamh div scale /rad diamh 2 div def rad 0 rad -180 180 arc oldmat setmatrix}def/Dc{gsave dup /diamv exch def /diamh exch def arcellipse dstroke     grestore diamh 0 rmoveto}def/De{gsave /diamv exch def /diamh exch def arcellipse dstroke    grestore diamh 0 rmoveto}def/Da{currentpoint /by exch def /bx exch def /fy exch def /fx exch def   /cy exch def /cx exch def /rad cx cx mul cy cy mul add sqrt def   /ang1 cy neg cx neg atan def /ang2 fy fx atan def cx bx add cy by add   2 copy rad ang1 ang2 arcn stroke exch fx add exch fy add moveto}def/Barray 200 array def % 200 values in a wiggle/D~{mark}def/D~~{counttomark Barray exch 0 exch getinterval astore /Bcontrol exch def pop /Blen Bcontrol length def Blen 4 ge Blen 2 mod 0 eq and {Bcontrol 0 get Bcontrol 1 get abspoint /Ycont exch def /Xcont exch def  Bcontrol 0 2 copy get 2 mul put Bcontrol 1 2 copy get 2 mul put  Bcontrol Blen 2 sub 2 copy get 2 mul put  Bcontrol Blen 1 sub 2 copy get 2 mul put  /Ybi /Xbi currentpoint 3 1 roll def def 0 2 Blen 4 sub  {/i exch def   Bcontrol i get 3 div Bcontrol i 1 add get 3 div   Bcontrol i get 3 mul Bcontrol i 2 add get add 6 div   Bcontrol i 1 add get 3 mul Bcontrol i 3 add get add 6 div   /Xbi Xcont Bcontrol i 2 add get 2 div add def   /Ybi Ycont Bcontrol i 3 add get 2 div add def   /Xcont Xcont Bcontrol i 2 add get add def   /Ycont Ycont Bcontrol i 3 add get add def   Xbi currentpoint pop sub Ybi currentpoint exch pop sub rcurveto  }for dstroke}if}defend/ditstart{$DITroff begin /nfonts 60 def			% NFONTS makedev/ditroff dependent! /fonts[nfonts{0}repeat]def /fontnames[nfonts{()}repeat]def/docsave save def}def% character outcalls/oc {/pswid exch def /cc exch def /name exch def   /ditwid pswid fontsize mul resolution mul 72000 div def   /ditsiz fontsize resolution mul 72 div def   ocprocs name known{ocprocs name get exec}{name cb}   ifelse}def/fractm [.65 0 0 .6 0 0] def/fraction {/fden exch def /fnum exch def gsave /cf currentfont def  cf fractm makefont setfont 0 .3 dm 2 copy neg rmoveto  fnum show rmoveto currentfont cf setfont(\244)show setfont fden show   grestore ditwid 0 rmoveto} def/oce {grestore ditwid 0 rmoveto}def/dm {ditsiz mul}def/ocprocs 50 dict def ocprocs begin(14){(1)(4)fraction}def(12){(1)(2)fraction}def(34){(3)(4)fraction}def(13){(1)(3)fraction}def(23){(2)(3)fraction}def(18){(1)(8)fraction}def(38){(3)(8)fraction}def(58){(5)(8)fraction}def(78){(7)(8)fraction}def(sr){gsave .05 dm .16 dm rmoveto(\326)show oce}def(is){gsave 0 .15 dm rmoveto(\362)show oce}def(->){gsave 0 .02 dm rmoveto(\256)show oce}def(<-){gsave 0 .02 dm rmoveto(\254)show oce}def(==){gsave 0 .05 dm rmoveto(\272)show oce}defend% DIThacks fonts for some special chars50 dict dup begin/FontType 3 def/FontName /DIThacks 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charwid 0 fd /FontBBox get aload pop setcachedevice 40 setlinewidth newpath 0 0 moveto gsave charproc grestore end}def/BuildChar load 0 DITfd put%/UniqueID 5 def/CharProcs 50 dict defCharProcs begin/space{}def/.notdef{}def/ru{500 0 rls}def/rn{0 750 moveto 500 0 rls}def/vr{20 800 moveto 0 -770 rls}def/bv{20 800 moveto 0 -1000 rls}def/br{20 770 moveto 0 -1040 rls}def/ul{0 -250 moveto 500 0 rls}def/ob{200 250 rmoveto currentpoint newpath 200 0 360 arc closepath stroke}def/bu{200 250 rmoveto currentpoint newpath 200 0 360 arc closepath fill}def/sq{80 0 rmoveto currentpoint dround newpath moveto    640 0 rlineto 0 640 rlineto -640 0 rlineto closepath stroke}def/bx{80 0 rmoveto currentpoint dround newpath moveto    640 0 rlineto 0 640 rlineto -640 0 rlineto closepath fill}def/ci{355 333 rmoveto currentpoint newpath 333 0 360 arc    50 setlinewidth stroke}def/lt{20 -200 moveto 0 550 rlineto currx 800 2cx s4 add exch s4 a4p stroke}def/lb{20 800 moveto 0 -550 rlineto currx -200 2cx s4 add exch 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