tmac.psfig

早期freebsd实现

.\" These are macros to make psfig work with groff.
.\" They require that psfig be patched as described in ../grops/psfig.diff.
.de psfig-defs
ps: mdef 100

% wid ht llx lly urx ury psfigstart -

/psfigstart {
	/level1 save def
	/ury exch def
	/urx exch def
	/lly exch def
	/llx exch def
	/ht exch u def
	/wid exch u def
	currentpoint ht add translate
	wid urx llx sub div ht ury lly sub div neg scale
	llx neg lly neg translate

	% set the graphics state to default values
	0 setgray
	0 setlinecap
	1 setlinewidth
	0 setlinejoin
	10 setmiterlimit
	[] 0 setdash
	newpath
	/showpage {} def
} bind def

% psfigclip -

/psfigclip {
	currentpoint newpath
	llx lly moveto
	urx lly lineto
	urx ury lineto
	llx ury lineto
	closepath clip
	newpath moveto
} bind def

% psfigend -

/psfigend {
	level1 restore
} bind def

% globalstart -

/globalstart {
	% save the current space code on the stack
	SC
	level0 restore
} bind def

% globalend -

/globalend {
	end
	BP
	/SC exch def
	DEFS begin
} bind def
..
.de psfig-init
.if \\n[.P] \{\
\Y[psfig-defs]
.	br
.	sp -1
.	ds psfig-init\" empty
.	rm psfig-defs
.\}
..
.de F+
.br
.psfig-init
.nr psfig-fill \\n[.u]
.nf
.sp -.5
.if !\\n[.$] .ce 9999
..
.de F-
.br
.ce 0
.if \\n[psfig-fill] .fi
..