code: plan9front

ref: 5622b0bbd878dbc34045cc6fd37cffa64461eabe
dir: /sys/src/cmd/postscript/postbgi/postbgi.ps/

View raw version
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% Version 3.3.2 prologue for BGI files - STARE or PRISM.
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/#copies 1 store
/aspectratio 1 def
/fixlinewidth true def
/fixscreen false def
/font /Courier def
/formsperpage 1 def
/landscape false def
/linewidth 0 def
/magnification 1 def
/margin 0 def
/orientation 0 def
/prism false def
/resolution 128 def
/rotation 1 def
/scaletodevice false def
/screenheight 1280 def
/screenwidth 1024 def
/xoffset 0 def
/yoffset 0 def

/devres 72 0 matrix defaultmatrix dtransform dup mul exch dup mul add sqrt def

/useclippath true def
/pagebbox [0 0 612 792] def

/inch {72 mul} bind def
/min {2 copy gt {exch} if pop} bind def

/kshow {kshow} bind def		% so later references don't bind
/show {show} bind def

/setup {
	counttomark 2 idiv {def} repeat pop

	landscape {/orientation 90 orientation add def} if
	prism {/fixscreen true def /scaletodevice true def} if
	prism linewidth 0 eq and {/linewidth .3 def} if
	fixscreen {devres 4 div orientation currentscreen 3 1 roll pop pop setscreen} if

	pagedimensions
	/scaling
		scaletodevice
			{devres resolution div truncate 72 mul devres div dup}
			{height margin sub screenheight div width margin sub screenwidth div}
		ifelse
	min def
	xcenter ycenter translate
	orientation rotation mul rotate
	xoffset inch yoffset inch translate
	magnification dup aspectratio mul scale
	scaling scaling scale
	screenwidth 2 div neg screenheight 2 div neg translate

	tietodevicespace
	linewidth scaling div setlinewidth
	1 setlinecap
	newpath
} def

/pagedimensions {
	useclippath {
		/pagebbox [clippath pathbbox newpath] def
	} if
	pagebbox aload pop
	4 -1 roll exch 4 1 roll 4 copy
	landscape {4 2 roll} if
	sub /width exch def
	sub /height exch def
	add 2 div /xcenter exch def
	add 2 div /ycenter exch def
	userdict /gotpagebbox true put
} def

/pagesetup {/page exch def} bind def

/tietodevicespace {
	fixlinewidth linewidth 0 gt and linewidth 1 lt and {
		/moveto {
			2 copy /Y exch def /X exch def
			transform round exch round exch itransform
			moveto
		} bind def
		/lineto {
			2 copy /Y exch def /X exch def
			transform round exch round exch itransform
			lineto
		} bind def
		/rlineto {Y add exch X add exch lineto} bind def
		/v V 0 get bind def
	} if
} def

/V [{moveto counttomark 2 idiv {rlineto} repeat stroke}] def
/v V 0 get bind def
/p {linewidth 2 div 0 360 arc fill} bind def
/pp {/ch exch def counttomark 2 idiv {moveto xc yc rmoveto ch show} repeat} bind def

/l {{scaling div} forall counttomark array astore 0 setdash} bind def
/c {setrgbcolor} bind def

/T {newpath moveto rlineto rlineto rlineto closepath eofill} bind def

/R {
	newpath moveto 1 index 0 rlineto 0 exch rlineto neg 0 rlineto closepath
	0 eq {stroke} {eofill} ifelse
} bind def

/f {
	dup dup
	/charwidth exch 6 mul def
	/xc exch -2.5 mul def
	/yc exch -3.5 mul def
	font findfont charwidth .6 div scalefont setfont
} bind def

/t {
	/str exch def
	gsave
	translate rotate
	xc yc moveto
	currentpoint
	{
		pop pop
		exch charwidth add exch
		moveto currentpoint
	} str kshow
	pop pop
	grestore
} bind def

/done {/lastpage where {pop lastpage} if} def