/* Copyright (C) 1999 Aladdin Enterprises.  All rights reserved.
  
  This file is part of AFPL Ghostscript.
  
  AFPL 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 Free Public License (the
  "License") for full details.
  
  Every copy of AFPL 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 AFPL 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.
*/

/*$Id$ */
/* Internal definitions for DeviceN color spaces */

#ifndef gxcdevn_INCLUDED
#  define gxcdevn_INCLUDED

#include "gsrefct.h"
#include "gxcindex.h"

/* Cache for DeviceN color.  Note that currently this is a 1-entry cache. */
#ifndef gs_device_n_map_DEFINED
#  define gs_device_n_map_DEFINED
typedef struct gs_device_n_map_s gs_device_n_map;
#endif
struct gs_device_n_map_s {
    rc_header rc;
    int (*tint_transform)(P5(const gs_device_n_params * params,
			     const float *in, float *out,
			     const gs_imager_state *pis, void *data));
    void *tint_transform_data;
    bool cache_valid;
    float tint[GS_CLIENT_COLOR_MAX_COMPONENTS];
    frac conc[GX_DEVICE_COLOR_MAX_COMPONENTS];
};
#define private_st_device_n_map() /* in gscdevn.c */\
  gs_private_st_ptrs1(st_device_n_map, gs_device_n_map, "gs_device_n_map",\
    device_n_map_enum_ptrs, device_n_map_reloc_ptrs, tint_transform_data)

/* Allocate and initialize a DeviceN map. */
int alloc_device_n_map(P3(gs_device_n_map ** ppmap, gs_memory_t * mem,
			  client_name_t cname));

#endif /* gxcdevn_INCLUDED */