Bits Meaning when clear Meaning when set
0-2 colours available
8 can handle filled shapes can only outline filled shapes (e.g. XY plotter)
9 can handle thick lines can only plot thin lines (but might have thicker pens)
10 overwrites colours properly can only overwrite colours onto background (e.g. a plotter with wet ink!)
11 can't plot transfromed sprites can plot transformed sprites
12 does not support new FontManager features does support these features (e.g. transforms and encodings)
13 doesn't expect a flag byte expects a flag byte in R0 for PDriver_DrawPage [3.60+]
24 supports screen dumps does not support screen dumps
25 can only scale, translate and rotate by 90° or 180° supports arbitary transformations
26 does not support PDriver_InsertIllustration does support PDriver_InsertIllustration
27 does not support PDriver_MiscOp does support PDriver_MiscOp
28 does not support PDriver_SetDriver does support PDriver_SetDriver
29 does not support PDriver_DeclareFont does support PDriver_DeclareFont
Printer driver colour bits
Bit 0 Bit 1 Bit 2 Colours available
0 x 0 Arbitary greys
0 x 1 Limited greys (maybe only black and white)
1 0 0 Arbitary colours
1 0 1 Limited discrete colours, including all 8 primaries
1 1 0 Limited arbitary colours, but not all 8 primaries (e.g. a printer with only red and black ink)
1 1 1 Limited discrete colours (e.g. a pen plotter)
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