🚀 go-pugleaf

I am trying to write a color raster level 2 PostScript driver
using run length encoding. My problem is that my data seems
to be interpreted as RGB, RGB, ... instead of:

RRRRRRRRRR
GGGGGGGGGG
BBBBBBBBBB

I figure that by separating the color components by scanline I
can get the most out of RLE encoding. I have been succesful
using the level 1 colorimage operator with true 3 (multiple
data source, 3 colors) but in the process of switching to 
level 2 and using the image dictionary and image filters I
have not had any luck.

Here is a sample of what I have tried (without compression):

initgraphics
/inch {72 mul} def
/width 300 def
/height 300 def
/finalwidth 1.00 inch def

/DeviceRGB setcolorspace
18 18 translate
finalwidth finalwidth width div height mul scale
/rline currentfile /ASCIIHexDecode filter def
/gline currentfile /ASCIIHexDecode filter def
/bline currentfile /ASCIIHexDecode filter def

gsave
<<
/ImageType 1
/Width width /Height height
/MultipleDataSources true
/BitsPerComponent 8
/Decode [0 1 0 1 0 1]
/ImageMatrix [width 0 0 height neg 0 height]
/DataSource [rline gline bline]
>>
image
....... data not included ......

Any help is very much appreciated.
-- 
Dave Bradford	dave@maven.b29.ingr.com      (Internet)