Assuming three bits per pixel, the following diagram shows the process.

Figure 5-4

Logical Operations and the Print Model

 

The Logical Operation command (?*l#O) provides 255 possible

Note

 

logical operations. All of these logic operations map directly to their

 

ROP3 (raster operation) counterparts (see the Microsoft Document,

 

Reference, Volume 2, Chapter 11, Binary and Ternary Raster

 

Operation Codes).

 

The logical operations were defined for Microsoft Windows for an

 

RGB color space. In RGB space, a “1”' is white and a “0” is black.

 

 

EN

The PCL Print Model 5-11

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HP L 5 manual Logical Operations and the Print Model