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datenmodell.eps
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%!PS-Adobe-3.0 EPSF-3.0
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%%Creator: FreeHEP Graphics2D Driver
%%Producer: org.freehep.graphicsio.ps.PSGraphics2D Revision: 1.3
%%For:
%%Title:
%%CreationDate: Wednesday, November 18, 2009 11:45:08 PM CET
%%LanguageLevel: 3
%%EndComments
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100 dict dup begin
%
% File: org/freehep/graphicsio.ps/PSProlog.txt
% Author: Charles Loomis
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% Define the composite fonts used to print Unicode strings.
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<<
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/Encoding [ 0 1 255 {pop 6} for ]
dup 16#00 0 put % Latin
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vg&bfont vg&newbasefont
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>>
vg&fname exch definefont pop
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% Unicode Latin encoding (unicode codes \u0000-\u00ff)
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[ 16#90 16#91 16#92 16#93 16#94 16#95 16#96
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] vg&undef
def
% Unicode Greek encoding (unicode codes \u0370-\u03ff)
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NullEncoding dup length array copy
<< 16#91 /Alpha 16#92 /Beta 16#93 /Gamma 16#94 /Delta
16#95 /Epsilon 16#96 /Zeta 16#97 /Eta 16#98 /Theta
16#99 /Iota 16#9a /Kappa 16#9b /Lambda 16#9c /Mu
16#9d /Nu 16#9e /Xi 16#9f /Omicron 16#a0 /Pi
16#a1 /Rho 16#a3 /Sigma 16#a4 /Tau 16#a5 /Upsilon
16#a6 /Phi 16#a7 /Chi 16#a8 /Psi 16#a9 /Omega
16#b1 /alpha 16#b2 /beta 16#b3 /gamma 16#b4 /delta
16#b5 /epsilon 16#b6 /zeta 16#b7 /eta 16#b8 /theta
16#b9 /iota 16#ba /kappa 16#bb /lambda 16#bc /mu
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16#c9 /omega 16#7e /semicolon 16#87 /dotmath 16#d1 /theta1
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>> vg&redef
def
% Unicode punctuation encoding (unicode codes \u2000-\u206f)
/UCPunctuationEncoding
NullEncoding dup length array copy
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16#1a /quotesinglbase 16#1b /quotesingle 16#1c /quotedblleft
16#1d /quotedblright 16#1e /quotedblbase 16#1f /quotedbl
16#20 /dagger 16#21 /daggerdbl 16#22 /bullet
16#24 /period 16#26 /ellipsis 16#27 /periodcentered
16#30 /perthousand 16#44 /fraction
16#70 /zerosuperior 16#74 /foursuperior 16#75 /fivesuperior
16#76 /sixsuperior 16#77 /sevensuperior 16#78 /eightsuperior
16#79 /ninesuperior 16#7b /hyphensuperior 16#7d /parenleftsuperior
16#7e /parenrightsuperior
16#80 /zeroinferior 16#84 /fourinferior 16#85 /fiveinferior
16#81 /oneinferior 16#82 /twoinferior 16#83 /threeinferior
16#86 /sixinferior 16#87 /seveninferior 16#88 /eightinferior
16#89 /nineinferior 16#8b /hypheninferior 16#8d /parenleftinferior
16#8e /parenrightinferior
>> vg&redef
def
% Unicode mathematical operators encoding (unicode codes \u2200-\u22ff)
/UCMathOpsEncoding
NullEncoding dup length array copy
<< 16#00 /universal 16#02 /partialdiff 16#03 /existential
16#05 /emptyset 16#06 /Delta 16#07 /gradient
16#08 /element 16#09 /notelement 16#0b /suchthat
16#0f /product 16#11 /summation 16#12 /minus
16#15 /fraction 16#17 /asteriskmath 16#19 /bullet
16#1a /radical 16#1d /proportional 16#1e /infinity
16#20 /angle 16#23 /bar 16#27 /logicaland
16#28 /logicalor 16#29 /intersection 16#2a /union
16#2b /integral 16#34 /therefore 16#36 /colon
16#3c /similar 16#45 /congruent 16#48 /approxequal
16#60 /notequal 16#61 /equivalence 16#64 /lessequal
16#65 /greaterequal 16#82 /propersubset 16#83 /propersuperset
16#86 /reflexsubset 16#87 /reflexsuperset 16#95 /circleplus
16#97 /circlemultiply 16#a5 /perpendicular 16#03 /existential
16#c0 /logicaland 16#c1 /logicalor 16#c2 /intersection
16#c3 /union 16#c4 /diamond 16#c5 /dotmath
>> vg&redef
def
% Unicode arrows encoding (unicode codes \u2190-\u21ff)
% Also includes those "Letterlike" unicode characters
% which are available in the symbol font. (unicode codes \u2100-\u214f)
/UCArrowsEncoding
NullEncoding dup length array copy
<< 16#11 /Ifraktur 16#1c /Rfraktur 16#22 /trademarkserif
16#35 /aleph
16#90 /arrowleft 16#91 /arrowup 16#92 /arrowright
16#93 /arrowdown 16#94 /arrowboth 16#d0 /arrowdblleft
16#d1 /arrowdblup 16#d2 /arrowdblright 16#d3 /arrowdbldown
16#d4 /arrowdblboth
>> vg&redef
def
/ZapfDingbats findfont /Encoding get
dup length array copy /UCDingbatsEncoding exch def
16#20 1 16#7f {
dup 16#20 sub exch
UCDingbatsEncoding exch get
UCDingbatsEncoding 3 1 roll put
} for
16#a0 1 16#ff {
dup 16#40 sub exch
UCDingbatsEncoding exch get
UCDingbatsEncoding 3 1 roll put
} for
UCDingbatsEncoding [ 16#c0 1 16#ff {} for ] vg&undef
[ 16#00 16#05 16#0a 16#0b 16#28 16#4c 16#4e 16#53 16#54 16#55 16#57 16#5f
16#60 16#68 16#69 16#6a 16#6b 16#6c 16#6d 16#6e 16#6f 16#70 16#71 16#72
16#73 16#74 16#75 16#95 16#96 16#97 16#b0 16#bf
] vg&undef pop
% Define the base fonts which don't change.
/Undefined-UC NullEncoding /Helvetica vg&newbasefont pop
/MathOps-UC UCMathOpsEncoding /Symbol vg&newbasefont pop
/Arrows-UC UCArrowsEncoding /Symbol vg&newbasefont pop
/Dingbats-UC UCDingbatsEncoding /ZapfDingbats vg&newbasefont pop
% Make the SansSerif composite fonts.
/SansSerif /Helvetica 16#00 vg&newcompositefont
/SansSerif-Bold /Helvetica-Bold 16#01 vg&newcompositefont
/SansSerif-Italic /Helvetica-Oblique 16#02 vg&newcompositefont
/SansSerif-BoldItalic /Helvetica-BoldOblique 16#03 vg&newcompositefont
% Make the Serif composite fonts.
/Serif /Times-Roman 16#00 vg&newcompositefont
/Serif-Bold /Times-Bold 16#01 vg&newcompositefont
/Serif-Italic /Times-Italic 16#02 vg&newcompositefont
/Serif-BoldItalic /Times-BoldItalic 16#03 vg&newcompositefont
% Make the Monospaced composite fonts.
/Monospaced /Courier 16#00 vg&newcompositefont
/Monospaced-Bold /Courier-Bold 16#01 vg&newcompositefont
/Monospaced-Italic /Courier-Oblique 16#02 vg&newcompositefont
/Monospaced-BoldItalic /Courier-BoldOblique 16#03 vg&newcompositefont
% Make the Dialog composite fonts.
/Dialog /Helvetica 16#00 vg&newcompositefont
/Dialog-Bold /Helvetica-Bold 16#01 vg&newcompositefont
/Dialog-Italic /Helvetica-Oblique 16#02 vg&newcompositefont
/Dialog-BoldItalic /Helvetica-BoldOblique 16#03 vg&newcompositefont
% Make the DialogInput composite fonts.
/DialogInput /Helvetica 16#00 vg&newcompositefont
/DialogInput-Bold /Helvetica-Bold 16#01 vg&newcompositefont
/DialogInput-Italic /Helvetica-Oblique 16#02 vg&newcompositefont
/DialogInput-BoldItalic /Helvetica-BoldOblique 16#03 vg&newcompositefont
% Make the Typewriter composite fonts (JDK 1.1 only).
/Typewriter /Courier 16#00 vg&newcompositefont
/Typewriter-Bold /Courier-Bold 16#01 vg&newcompositefont
/Typewriter-Italic /Courier-Oblique 16#02 vg&newcompositefont
/Typewriter-BoldItalic /Courier-BoldOblique 16#03 vg&newcompositefont
/cfontH {
dup /fontsize exch def /SansSerif exch sf
/vg&fontstyles [{cfontH} {cfontHB} {cfontHI} {cfontHBI}] def
} def
/cfontHB {
dup /fontsize exch def /SansSerif-Bold exch sf
/vg&fontstyles [{cfontH} {cfontHB} {cfontHI} {cfontHBI}] def
} def
/cfontHI {
dup /fontsize exch def /SansSerif-Italic exch sf
/vg&fontstyles [{cfontH} {cfontHB} {cfontHI} {cfontHBI}] def
} def
/cfontHBI {
dup /fontsize exch def /SansSerif-BoldItalic exch sf
/vg&fontstyles [{cfontH} {cfontHB} {cfontHI} {cfontHBI}] def
} def
/cfontT {
dup /fontsize exch def /Serif exch sf
/vg&fontstyles [{cfontT} {cfontTB} {cfontTI} {cfontTBI}] def
} def
/cfontTB {
dup /fontsize exch def /Serif-Bold exch sf
/vg&fontstyles [{cfontT} {cfontTB} {cfontTI} {cfontTBI}] def
} def
/cfontTI {
dup /fontsize exch def /Serif-Italic exch sf
/vg&fontstyles [{cfontT} {cfontTB} {cfontTI} {cfontTBI}] def
} def
/cfontTBI {
dup /fontsize exch def /Serif-BoldItalic exch sf
/vg&fontstyles [{cfontT} {cfontTB} {cfontTI} {cfontTBI}] def
} def
/cfontC {
dup /fontsize exch def /Typewriter exch sf
/vg&fontstyles [{cfontC} {cfontCB} {cfontCI} {cfontCBI}] def
} def
/cfontCB {
dup /fontsize exch def /Typewriter-Bold exch sf
/vg&fontstyles [{cfontC} {cfontCB} {cfontCI} {cfontCBI}] def
} def
/cfontCI {
dup /fontsize exch def /Typewriter-Italic exch sf
/vg&fontstyles [{cfontC} {cfontCB} {cfontCI} {cfontCBI}] def
} def
/cfontCBI {
dup /fontsize exch def /Typewriter-BoldItalic exch sf
/vg&fontstyles [{cfontC} {cfontCB} {cfontCI} {cfontCBI}] def
} def
% Darken or lighten the current color.
/darken {0.7 exch exp 3 copy
q 4 -1 roll vg&C
currentrgbcolor 3 {4 -2 roll mul} repeat
3 array astore Q} def
/displayColorMap
<< /Cr [1.00 0.00 0.00] /Cg [0.00 1.00 0.00]
/Cb [0.00 0.00 1.00] /Cc [1.00 0.00 0.00 0.00]
/Cm [0.00 1.00 0.00 0.00] /Cy [0.00 0.00 1.00 0.00]
/Co [1.00 0.78 0.00] /Cp [1.00 0.67 0.67]
/Cw [1 ] /Cgrl [0.75]
/Cgr [0.50] /Cgrd [0.25]
/Ck [0 ]
/CGr [1.00 0.00 0.00] /CGg [0.00 1.00 0.00]
/CGb [0.00 0.00 1.00] /CGc [1.00 0.00 0.00 0.00]
/CGm [0.00 1.00 0.00 0.00] /CGy [0.00 0.00 1.00 0.00]
/CGo [1.00 0.78 0.00] /CGp [1.00 0.67 0.67]
/CGw [1 ] /CGgrl [0.75]
/CGgr [0.50] /CGgrd [0.25]
/CGk [0 ]
/CIr [1.00 0.00 0.00] /CIg [0.00 1.00 0.00]
/CIb [0.00 0.00 1.00] /CIc [1.00 0.00 0.00 0.00]
/CIm [0.00 1.00 0.00 0.00] /CIy [0.00 0.00 1.00 0.00]
/CIo [1.00 0.78 0.00] /CIp [1.00 0.67 0.67]
/CIw [1 ] /CIgrl [0.75]
/CIgr [0.50] /CIgrd [0.25]
/CIk [0 ]
>> def
/printColorMap
<< /Cr [1.00 0.33 0.33] /Cg [0.33 1.00 0.33]
/Cb [0.33 0.33 1.00] /Cc [1.00 0.00 0.00 0.00]
/Cm [0.00 1.00 0.00 0.00] /Cy [0.00 0.00 1.00 0.00]
/Co [1.00 0.78 0.00] /Cp [1.00 0.67 0.67]
/Cw [1 ] /Cgrl [0.75]
/Cgr [0.50] /Cgrd [0.25]
/Ck [0 ]
/CGr [1.00 0.33 0.33] /CGg [0.33 1.00 0.33]
/CGb [0.33 0.33 1.00] /CGc [1.00 0.00 0.00 0.00]
/CGm [0.00 1.00 0.00 0.00] /CGy [0.00 0.00 1.00 0.00]
/CGo [1.00 0.78 0.00] /CGp [1.00 0.67 0.67]
/CGw [1 ] /CGgrl [0.75]
/CGgr [0.50] /CGgrd [0.25]
/CGk [0 ]
/CIr [1.00 0.33 0.33] /CIg [0.33 1.00 0.33]
/CIb [0.33 0.33 1.00] /CIc [1.00 0.00 0.00 0.00]
/CIm [0.00 1.00 0.00 0.00] /CIy [0.00 0.00 1.00 0.00]
/CIo [1.00 0.78 0.00] /CIp [1.00 0.67 0.67]
/CIw [1 ] /CIgrl [0.75]
/CIgr [0.50] /CIgrd [0.25]
/CIk [0 ]
>> def
/grayColorMap
<< /Cr [0 ] /Cg [0 ]
/Cb [0 ] /Cc [0 ]
/Cm [0 ] /Cy [0 ]
/Co [0 ] /Cp [0 ]
/Cw [0 ] /Cgrl [0 ]
/Cgr [0 ] /Cgrd [0 ]
/Ck [0 ]
/CGr [0.75] /CGg [1 ]
/CGb [0.50] /CGc [0.75]
/CGm [0.50] /CGy [1 ]
/CGo [0.75] /CGp [1 ]
/CGw [0 ] /CGgrl [0.25]
/CGgr [0.50] /CGgrd [0.75]
/CGk [1 ]
/CIr [1 ] /CIg [1 ]
/CIb [1 ] /CIc [1 ]
/CIm [1 ] /CIy [1 ]
/CIo [1 ] /CIp [1 ]
/CIw [1 ] /CIgrl [1 ]
/CIgr [1 ] /CIgrd [1 ]
/CIk [1 ]
>> def
/bwColorMap
<< /Cr [0 ] /Cg [0 ]
/Cb [0 ] /Cc [0 ]
/Cm [0 ] /Cy [0 ]
/Co [0 ] /Cp [0 ]
/Cw [0 ] /Cgrl [0 ]
/Cgr [0 ] /Cgrd [0 ]
/Ck [0 ]
/CGr [1 ] /CGg [1 ]
/CGb [1 ] /CGc [1 ]
/CGm [1 ] /CGy [1 ]
/CGo [1 ] /CGp [1 ]
/CGw [0 ] /CGgrl [1 ]
/CGgr [1 ] /CGgrd [1 ]
/CGk [1 ]
/CIr [1 ] /CIg [1 ]
/CIb [1 ] /CIc [1 ]
/CIm [1 ] /CIy [1 ]
/CIo [1 ] /CIp [1 ]
/CIw [1 ] /CIgrl [1 ]
/CIgr [1 ] /CIgrd [1 ]
/CIk [1 ]
>> def
%
% The following routines handle the alignment of and printing of
% tagged strings.
%
% Predefine the bounding box values.
/bbllx 0 def /bblly 0 def /bburx 0 def /bbury 0 def
% This routine pops the first unicode character off of a string and returns
% the remainder of the string, the character code of first character,
% and a "true" if the string was non-zero length.
% <string> popfirst <remaining string> <true>
% <null string> popfirst <false>
/popfirst {
dup length 1 gt
{dup 0 get /vg&fbyte exch def
dup 1 get /vg&cbyte exch def
dup length 2 sub 2 exch getinterval true}
{pop false} ifelse
} def
% This routine shows a single unicode character given the font and
% character codes.
% <font code> <char code> unicharshow --
/unicharshow {
2 string
dup 0 5 -1 roll put
dup 1 4 -1 roll put
internalshow
} def
% This is an internal routine to alternate between determining the
% bounding box for stringsize and showing the string for recshow.
% <string> internalshow --
/internalshow {show} def
% This is an internal routine to alternate between determining the
% bounding box for stringsize and stroking various ornaments.
% <string> internalstroke --
/internalstroke {S} def
% Sets up internalshow to use the null device to determine string size.
% -- nullinternalshow --
/nullinternalshow {/internalshow {false charpath flattenpath
pathbbox updatebbox} def} def
% Sets up internalstroke to use the null device to determine string size.
% -- nullinternalstroke --
/nullinternalstroke {
/internalstroke {flattenpath pathbbox updatebbox} def} def
% This routine tests to see if the character code matches the first
% character of a string.
% <char code> <string> testchar <char code> <true or false>
/testchar {exch dup 3 -1 roll 0 get eq} def
% Raise the text baseline for superscripts.
% -- raise --
/raise {
0 fontsize 2 div rmoveto
/fontsize fontsize 2 mul 3 div def
currentfont /FontName get fontsize sf
} def
% Un-raise the text baseline for superscripts.
% -- unraise --
/unraise {
/fontsize fontsize 1.5 mul def
0 fontsize 2 div neg rmoveto
} def
% Lower the text baseline for subscripts.
% -- lower --
/lower {
0 fontsize 3 div neg rmoveto
/fontsize fontsize 2 mul 3 div def
currentfont /FontName get fontsize sf
} def
% Un-lower the text baseline for subscripts.
% -- unlower --
/unlower {
/fontsize fontsize 1.5 mul def
0 fontsize 3 div rmoveto
} def
% Compare the top two elements on the stack and leave only the
% larger one.
/maxval {2 copy gt {pop} {exch pop} ifelse} def
% Tokenize a string. Do not use the usual PostScript token because
% parentheses will not be interpreted correctly because of rescanning
% of the string.
/vg&token {/vg&string exch def /vg&index -1 def /vg&level 0 def
0 2 vg&string length 2 sub {
dup dup 1 add exch vg&string exch get 8 bitshift vg&string 3 -1 roll get or
dup 16#f0fe eq {pop 1}{16#f0ff eq {-1}{0} ifelse} ifelse
/vg&level exch vg&level add def
vg&level 0 eq {/vg&index exch def exit} if pop
} for
vg&index 0 ge {
vg&string vg&index 2 add dup vg&string length exch sub getinterval
vg&index 2 gt {vg&string 2 vg&index 2 sub getinterval}{()} ifelse
true}
{false} ifelse
} bind def
% Recursively show an unicode string.
% <string> recshow --
/recshow {
popfirst
{
% Test to see if this is a string attribute.
vg&fbyte 16#f0 and 16#e0 eq
{
q
% Font style.
currentfont dup /FontStyleBits known {/FontStyleBits get}{pop 0} ifelse
vg&cbyte or vg&fontstyles exch get fontsize exch exec
vg&token pop recshow currentpoint Q m recshow
}
{
vg&fbyte 16#F8 and 16#F0 eq {
% Superscript and/or subscript.
vg&cbyte 16#00 eq {
vg&token pop exch vg&token pop 3 -1 roll
q raise recshow unraise currentpoint pop Q exch
q lower recshow unlower currentpoint pop Q
maxval currentpoint exch pop m recshow } if
% Strikeout.
vg&cbyte 16#01 eq {
vg&token pop currentpoint 3 -1 roll recshow
q 0 J vg&underline vg&uthick w
currentpoint 4 -2 roll fontsize 3 div add moveto
fontsize 3 div add lineto internalstroke Q
recshow} if
% Underline.
vg&cbyte 16#02 eq {
vg&token pop currentpoint 3 -1 roll recshow
q 0 J vg&underline vg&uthick w
currentpoint 4 -2 roll vg&uoffset add moveto
vg&uoffset add lineto internalstroke Q
recshow} if
% Dashed underline.
vg&cbyte 16#03 eq {
vg&token pop currentpoint 3 -1 roll recshow
q 0 J [ vg&uthick 5 mul vg&uthick 2 mul] 0 d
vg&underline vg&uthick w
currentpoint 4 -2 roll vg&uoffset add moveto
vg&uoffset add lineto internalstroke Q
recshow} if
% Dotted underline.
vg&cbyte 16#04 eq {
vg&token pop currentpoint 3 -1 roll recshow
q 1 J [ 0 vg&uthick 3 mul] 0 d
vg&underline vg&uthick w
currentpoint 4 -2 roll vg&uoffset add moveto
vg&uoffset add lineto internalstroke Q
recshow} if
% Thick underline.
vg&cbyte 16#05 eq {
vg&token pop currentpoint 3 -1 roll recshow
q 0 J vg&underline vg&uthick 2 mul w
currentpoint 4 -2 roll vg&uoffset vg&uthick 2 div sub add moveto
vg&uoffset vg&uthick 2 div sub add lineto internalstroke Q
recshow} if
% Gray thick underline.
vg&cbyte 16#06 eq {
vg&token pop currentpoint 3 -1 roll recshow
q 0 J vg&underline vg&uthick 2 mul w 0.5 setgray
currentpoint 4 -2 roll vg&uoffset vg&uthick 2 div sub add moveto
vg&uoffset vg&uthick 2 div sub add lineto internalstroke Q
recshow} if
% Overbar.
vg&cbyte 16#07 eq {
vg&token pop dup stringsize relative 4 1 roll pop pop exch
3 -1 roll recshow
q 0 J vg&underline vg&uthick w
vg&uoffset neg add dup currentpoint pop exch m l internalstroke Q
recshow} if
}
{
vg&fbyte vg&cbyte unicharshow recshow
} ifelse
} ifelse
} if
} def
% Get the underline position and thickness from the current font.
/vg&underline {
currentfont dup /FontType get 0 eq {/FDepVector get 0 get} if
dup dup /FontInfo known {
/FontInfo get dup
dup /UnderlinePosition known {
/UnderlinePosition get /vg&uoffset exch def
}
{
pop /vg&uoffset 0 def
} ifelse
dup /UnderlineThickness known {
/UnderlineThickness get /vg&uthick exch def
}
{
pop /vg&uthick 0 def
} ifelse
}
{
pop /vg&uoffset 0 def /vg&uthick 0 def
} ifelse
/FontMatrix get
currentfont dup /FontType get 0 eq
{/FontMatrix get matrix concatmatrix}{pop} ifelse
dup 0 vg&uoffset 3 -1 roll transform /vg&uoffset exch def pop
0 vg&uthick 3 -1 roll transform /vg&uthick exch def pop
} def
% Make a frame with the coordinates on the stack.
% <llx> <lly> <urx> <ury> frame --
/frame {4 copy m 3 1 roll exch l 4 -2 roll l l h} def
% Resets the accumulated bounding box to a degenerate box at the
% current point.
% -- resetbbox --
/resetbbox {
currentpoint 2 copy
/bbury exch def
/bburx exch def
/bblly exch def
/bbllx exch def
} def
% Update the accumulated bounding box.
% <llx'> <lly'> <urx'> <ury'> updatebbox --
/updatebbox {
dup bbury gt {/bbury exch def} {pop} ifelse
dup bburx gt {/bburx exch def} {pop} ifelse
dup bblly lt {/bblly exch def} {pop} ifelse
dup bbllx lt {/bbllx exch def} {pop} ifelse
} def
% Set the bounding box to the values on the stack.
% <llx'> <lly'> <urx'> <ury'> updatebbox --
/restorebbox {
/bbury exch def /bburx exch def /bblly exch def /bbllx exch def
} def
% Push the accumulated bounding box onto the stack.
% -- pushbbox <llx> <lly> <urx> <ury>
/pushbbox {bbllx bblly bburx bbury} def
% Make the relative bounding box relative to the currentpoint.
% <llx'> <lly'> <urx'> <ury'> inflate <llx> <lly> <urx> <ury>
/inflate {
2 {fontsize 0.2 mul add 4 1 roll} repeat
2 {fontsize 0.2 mul sub 4 1 roll} repeat
} def
% Make the relative bounding box relative to the currentpoint.
% <llx'> <lly'> <urx'> <ury'> relative <llx> <lly> <urx> <ury>
/relative {
currentpoint 3 -1 roll add 3 1 roll add exch 4 2 roll
currentpoint 3 -1 roll add 3 1 roll add exch 4 2 roll
} def
% Returns the size of a string appropriate for recshow.
% <string> stringsize <llx> <lly> <urx> <ury>
/stringsize {