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- /* Copyright (C) 1992, 1993 Aladdin Enterprises. All rights reserved.
-
- This file is part of Ghostscript.
-
- Ghostscript is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY. No author or distributor accepts responsibility
- to anyone for the consequences of using it or for whether it serves any
- particular purpose or works at all, unless he says so in writing. Refer
- to the Ghostscript General Public License for full details.
-
- Everyone is granted permission to copy, modify and redistribute
- Ghostscript, but only under the conditions described in the Ghostscript
- General Public License. A copy of this license is supposed to have been
- given to you along with Ghostscript so you can know your rights and
- responsibilities. It should be in a file named COPYING. Among other
- things, the copyright notice and this notice must be preserved on all
- copies. */
-
- /* gxfmap.h */
- /* Fraction map representation for Ghostscript */
-
- #ifndef gxfmap_INCLUDED
- # define gxfmap_INCLUDED
-
- #include "gxfrac.h"
- #include "gxrefct.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 */
-