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(v13) Screening operators and extensions

This page applies to Harlequin v13.1r0 and later; both Harlequin Core and Harlequin MultiRIP.

Three standard operators set up halftone screens: setscreen, setcolorscreen and sethalftone; and corresponding query operators: currentscreen, currentcolorscreen and currenthalftone. As well as the system parameters described above which control the behavior of these operators, the RIP has some minor variations from the description in [RB3]. The RIP also provides a further query operator, screenforall.

For information regarding GGS extension HalftoneType 100, see the API Reference Manual, “Screening interface”.

For information regarding GGS extension HalftoneType 1009, see Technical Note Hqn094: Mixing multi-bit screens.

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