HP2XX : An HPGL → EPS G-Code conversion tool
31-color patch kit for hp2xx-3.4.4 and executables for MS-DOS

HP2XX

• github.com/myopensourceprojects/hp2xx-3.4.4 - A HPGL to G-Code conversion Tool
  
• hp2xx-3.4.4.tar.gz - local copy of the hp2xx-3.4.4.tar.gz
  
• hp2xx-3.4.4-patchkit-lyuka32.tar.gz - 31-color patch kit for hp2xx-3.4.4
  
• hp2xx-3.4.4-dos-lyuka32.zip - HP2XX.EXE : executable file for MS-DOS extended to support 31 colors
  

Example

# The input.hpg is converted to EPS and output to output.eps.
# The default colors cyan and orange in pens 5 and 9 have been replaced by cerulean blue and vermillion respectively.

hp2xx -c1234l678nabcdef -m eps input.hpg -f output.eps

# Fit picture into center of ISO A4 (i.e. 210×297 mm) rectangle.
# Leave pens 13 and 14 at their default pensize 1 and change the other pensizes to 2.

hp2xx -p222222222222112 -h 210.0 -w 297.0 -m eps -C input.hpg -f output.eps

Color chart

Index	Pen color	Color name	Color code	R	G	B
1		Black	#000000	0	0	0
2		Red	#FF0000	255	0	0
3		Grass Green	#5BBF00	91	191	0
4		Blue	#0000FF	0	0	255
5		Cyan	#00BFBF	0	191	191
6		Fuchsia	#FF00FF	255	0	255
7		Olive Green	#7F7F00	127	127	0
8		Violet	#BF00FF	191	0	255
9		Orange	#FF7F00	255	127	0
a		Azure	#007FFF	0	127	255
b		Rose Madder Lake	#FF007F	255	0	127
c		Sunflower	#FFBF00	255	191	0
d		Prussian Blue	#003F7F	0	63	127
e		Burnt Sienna	#B25532	178	85	50
f		Tea Rose	#FF88C5	255	136	204
g		Hyacinth	#7F00FF	127	0	255
h		Crimson Lake	#880024	136	0	36
i		Permanent Green	#216600	33	102	0
j		Deep Cobalt Green	#005361	0	83	97
k		Sepia	#6F4E27	111	78	39
l		Cerulean Blue	#00A2D9	0	162	217
m		Cobalt Blue	#6166FF	97	102	255
n		Vermilion	#FF3000	255	48	0
o		Ocher	#CC7722	204	114	34
p		Burnt Umber	#8A3324	138	51	36
q		Jazzberry Jam	#BF0069	191	0	105
r		Lavender Rose	#EE99FF	238	153	255
s		Coral Pink	#F88379	255	175	207
t		Lemon	#FDE910	253	233	16
u		Pear	#D1E231	209	226	49
v		Gray	#AAAAAA	170	170	170

Note : Color names and color codes are defined independently and do not follow any particular standard.