ref: c33fc43408cb22d606d2f621c34a5748cb0e2bc5
dir: /sys/src/cmd/postscript/postmd/postmd.ps/
%
% Version 3.3.2 prologue for matrix display files.
%
/#copies 1 store
/aspectratio 1 def
/font /Helvetica def
/formsperpage 1 def
/landscape false def
/magnification 1 def
/margin 10 def
/orientation 0 def
/rotation 1 def
/size 9 def
/statspace 1.6 def
/ticklength .06 def
/tickspacing 10 def
/xoffset 0 def
/yoffset 0 def
/useclippath true def
/pagebbox [0 0 612 792] def
/inch {72 mul} bind def
/min {2 copy gt {exch} if pop} bind def
/show {show} bind def % so later references don't bind
/stringwidth {stringwidth} bind def
/setup {
counttomark 2 idiv {def} repeat pop
landscape {/orientation 90 orientation add def} if
pagedimensions
height width lt {
/statspace statspace height width div mul def
/size size height width div mul def
/ticklength ticklength height width div mul def
} if
/height height margin sub statspace inch sub ticklength inch sub size 6 mul sub def
/width width margin sub ticklength inch sub def
xcenter ycenter translate
orientation rotation mul rotate
xoffset inch yoffset inch translate
0 height 2 div height width min 2 div sub translate
0 statspace inch 2 div translate
magnification dup aspectratio mul scale
0 setlinewidth
} 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
/bitmap {
/scanlines exch def
/scanlength exch def
/picstr scanlength string def
gsave
height scanlines div width scanlength div min
/scaling exch def
scaling scaling scale
scanlength neg 2 div scanlines neg 2 div translate
scanlength scanlines scale
getbitmap
grestore
} bind def
/getbitmap {
scanlength scanlines 8 [scanlength 0 0 scanlines neg 0 scanlines] {
0 {
currentfile token pop dup
0 eq {pop pop exit} if
/charcount exch def
picstr 1 index charcount getinterval
/repl exch def
currentfile repl readhexstring pop pop
charcount add
currentfile token pop {
picstr 1 index repl putinterval
charcount add
} repeat
} loop
picstr
} image
} bind def
/labelmatrix {
/matrixlimits exch def
/matrixname exch def
gsave
scaling scaling scale
font findfont size scaling div scalefont setfont
scanlength neg 2 div scanlines 2 div translate
0 scanlines size 1.5 mul scaling div add neg moveto
matrixname show
scanlength scanlines size 1.5 mul scaling div add neg moveto
matrixlimits stringwidth pop neg 0 rmoveto
matrixlimits show
newpath
0 0 moveto
scanlength 0 rlineto
0 scanlines neg rlineto
scanlength neg 0 rlineto
closepath stroke
scanlength tickspacing idiv 1 add tickspacing 0 ticks
scanlines tickspacing idiv 1 add 0 tickspacing neg ticks
grestore
} bind def
/ticks {
/dy exch def
/dx exch def
/tl ticklength inch scaling div def
newpath
0 0 moveto
{
gsave dx 0 eq {tl neg 0} {0 tl} ifelse rlineto stroke grestore
dx dy rmoveto
} repeat
} bind def
/legend {
/regions exch def
/total exch def
gsave
width height min 2 div neg dup size 2 mul sub translate
0 statspace inch neg translate
gsave
regions {
gsave
total div statspace inch size 2 mul sub mul size 2 mul add
width height min regions div exch scale
1 1 8 [1 0 0 1 0 0] 5 -1 roll image
grestore
width height min regions div 0 translate
} repeat
grestore
width height min size 1.5 mul neg translate
font findfont size scalefont setfont
dup dup add 1 add width height min exch div /interval exch def
{
interval neg 0 translate
interval 2 div neg 0 translate
dup stringwidth pop 2 div neg 0 moveto show
interval 2 div neg 0 translate
} repeat
grestore
} bind def
/done {/lastpage where {pop lastpage} if} def