/* Copyright (C) 1994, 2000 Aladdin Enterprises.  All rights reserved.
  
  This file is part of GNU Ghostscript.
  
  GNU 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 GNU General Public License for full details.
  
  Everyone is granted permission to copy, modify and redistribute GNU
  Ghostscript, but only under the conditions described in the GNU General
  Public License.  A copy of this license is supposed to have been given
  to you along with GNU 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.
*/

/*$RCSfile: gxfont0.h,v $ $Revision: 1.3.2.1 $ */
/* Type 0 (composite) font data definition */

#ifndef gxfont0_INCLUDED
#  define gxfont0_INCLUDED

/* Define the composite font mapping types. */
/* These numbers must be the same as the values of FMapType */
/* in type 0 font dictionaries. */
typedef enum {
    fmap_8_8 = 2,
    fmap_escape = 3,
    fmap_1_7 = 4,
    fmap_9_7 = 5,
    fmap_SubsVector = 6,
    fmap_double_escape = 7,
    fmap_shift = 8,
    fmap_CMap = 9
} fmap_type;

#define fmap_type_min 2
#define fmap_type_max 9
#define fmap_type_is_modal(fmt)\
  ((fmt) == fmap_escape || (fmt) == fmap_double_escape || (fmt) == fmap_shift)

/* This is the type-specific information for a type 0 (composite) gs_font. */
#ifndef gs_cmap_DEFINED
#  define gs_cmap_DEFINED
typedef struct gs_cmap_s gs_cmap_t;
#endif
typedef struct gs_type0_data_s {
    fmap_type FMapType;
    byte EscChar, ShiftIn, ShiftOut;
    gs_const_string SubsVector;	/* fmap_SubsVector only */
    uint subs_size;		/* bytes per entry */
    uint subs_width;		/* # of entries */
    uint *Encoding;
    uint encoding_size;
    gs_font **FDepVector;
    uint fdep_size;
    const gs_cmap_t *CMap;	/* fmap_CMap only */
} gs_type0_data;

#define gs_type0_data_max_ptrs 3

typedef struct gs_font_type0_s {
    gs_font_common;
    gs_type0_data data;
} gs_font_type0;

extern_st(st_gs_font_type0);
#define public_st_gs_font_type0()	/* in gsfont0.c */\
  gs_public_st_complex_only(st_gs_font_type0, gs_font_type0, "gs_font_type0",\
    0, font_type0_enum_ptrs, font_type0_reloc_ptrs, gs_font_finalize)

/* Define the Type 0 font procedures. */
font_proc_define_font(gs_type0_define_font);
font_proc_make_font(gs_type0_make_font);
font_proc_init_fstack(gs_type0_init_fstack);
font_proc_next_char_glyph(gs_type0_next_char_glyph);

#endif /* gxfont0_INCLUDED */
