ref: 29a53a52fdc3f8fc9af3d19d0253ba33b1efccba
dir: /sys/lib/postscript/prologues/draw.ps/
%
% Version 3.3.2 drawing procedures for dpost. Automatically pulled in when
% needed.
%
/inpath false def
/savematrix matrix def
/Dl {
inpath
{neg lineto pop pop}
{newpath neg moveto neg lineto stroke}
ifelse
} bind def
/De {
/y1 exch 2 div def
/x1 exch 2 div def
/savematrix savematrix currentmatrix def
neg exch x1 add exch translate
x1 y1 scale
0 0 1 0 360
inpath
{1 0 moveto arc savematrix setmatrix}
{newpath arc savematrix setmatrix stroke}
ifelse
} bind def
/Da {
/dy2 exch def
/dx2 exch def
/dy1 exch def
/dx1 exch def
dy1 add neg exch dx1 add exch
dx1 dx1 mul dy1 dy1 mul add sqrt
dy1 dx1 neg atan
dy2 neg dx2 atan
inpath
{arc}
{newpath arc stroke}
ifelse
} bind def
/DA {
/dy2 exch def
/dx2 exch def
/dy1 exch def
/dx1 exch def
dy1 add neg exch dx1 add exch
dx1 dx1 mul dy1 dy1 mul add sqrt
dy1 dx1 neg atan
dy2 neg dx2 atan
inpath
{arcn}
{newpath arcn stroke}
ifelse
} bind def
/Ds {
/y2 exch def
/x2 exch def
/y1 exch def
/x1 exch def
/y0 exch def
/x0 exch def
x0 5 x1 mul add 6 div
y0 5 y1 mul add -6 div
x2 5 x1 mul add 6 div
y2 5 y1 mul add -6 div
x1 x2 add 2 div
y1 y2 add -2 div
inpath
{curveto}
{newpath x0 x1 add 2 div y0 y1 add -2 div moveto curveto stroke}
ifelse
} bind def