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- /* Copyright (C) 1992, 1993 Aladdin Enterprises. All rights reserved.
-
- This file is part of Aladdin Ghostscript.
-
- Aladdin Ghostscript is distributed with NO WARRANTY OF ANY KIND. No author
- or distributor accepts any responsibility for the consequences of using it,
- or for whether it serves any particular purpose or works at all, unless he
- or she says so in writing. Refer to the Aladdin Ghostscript Free Public
- License (the "License") for full details.
-
- Every copy of Aladdin Ghostscript must include a copy of the License,
- normally in a plain ASCII text file named PUBLIC. The License grants you
- the right to copy, modify and redistribute Aladdin Ghostscript, but only
- under certain conditions described in the License. Among other things, the
- License requires that the copyright notice and this notice be preserved on
- all copies.
- */
-
- /* gxfmap.h */
- /* Fraction map representation for Ghostscript */
-
- #ifndef gxfmap_INCLUDED
- # define gxfmap_INCLUDED
-
- #include "gsrefct.h"
- #include "gxfrac.h"
-
- /*
- * Define a cached map from fracs to fracs. Level 1 uses this only
- * for the transfer function; level 2 also uses it for black generation
- * and undercolor removal. Note that the map is parameterized by
- * the number of bits used to index it. The intended use is
- struct xxx_map {
- frac_map(xxx_index_bits);
- }
- * Note that reference counting macros must be used to allocate, free,
- * and assign references to frac_maps.
- */
- typedef float (*frac_map_proc)(P2(const gs_state *, floatp));
- #define frac_map(index_bits)\
- rc_header rc;\
- frac_map_proc proc;\
- frac values[1 << (index_bits)]
-
- #endif /* gxfmap_INCLUDED */
-