- gsave - save graphics state
- grestore - restore graphics state
- grestoreall - restore to bottommost graphics state
- initgraphics - reset graphics state parameters
num setlinewidth - set line width
- currentlinewidth num return current line width
int setlinecap - set shape of line ends for stroke
(O=butt,1 =round, 2=square)
- currentlinecap int return current line cap
int setlinejoin - set shape of corners for stroke
(O=miter,1 =round, 2=bevel)
- currentlinejoin int return current line join
num setmiterlimit - set miter length limit
- currentmiterlimit num return current miterlimit
array offset setdash - set dash pattern for stroking
- currentdash array offset return current dash pattern
num setflat - set flatness tolerance
- currentflat num return current flatness
num setgray - set color to gray value
from 0 (black) to 1 (white)
- currentgray num return current gray
hue set brt sethsbcolor - set color given hue,saturation,
brightness
- currenthsbcolor hue sat brt return current color,hue, saturation,
brightness
red green blue setrgbcolor - set color given red, green, blue
- currentrgbcolor red green blue return current color red, green, blue
freq angle proc setscreen - set halftone screen
- currentscreen freq angle proc return current halftone screen
proc settransfer - set gray transfer function
- currenttransfer proc return current transfer function