/* Copyright (C) 1996 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.
*/

/* gxfont42.h */
/* Type 42 font data definition */

/* This is the type-specific information for a Type 42 (TrueType) font. */

typedef struct gs_type42_data_s gs_type42_data;
typedef struct gs_font_type42_s gs_font_type42;
struct gs_type42_data_s {
		/* The following are set by the client. */
	int (*string_proc)(P4(gs_font_type42 *, ulong, uint, const byte **));
	void *proc_data;		/* data for string_proc */
		/* The following are cached values. */
	ulong glyf;			/* offset to glyf table */
	uint unitsPerEm;		/* from head */
	uint indexToLocFormat;		/* from head */
	uint numLongMetrics;		/* from hhea */
	ulong hmtx;			/* offset to hmtx table */
	uint hmtx_length;		/* length of hmtx table */
	ulong loca;			/* offset to loca table */
};
struct gs_font_type42_s {
	gs_font_base_common;
	gs_type42_data data;
};
extern_st(st_gs_font_type42);
#define public_st_gs_font_type42()	/* in gstype42.c */\
  gs_public_st_suffix_add1_final(st_gs_font_type42, gs_font_type42,\
    "gs_font_type42", font_type42_enum_ptrs, font_type42_reloc_ptrs,\
    gs_font_finalize, st_gs_font_base, data.proc_data)

/* Because a Type 42 font contains so many cached values, */
/* we provide a procedure to initialize them from the font data. */
int gs_type42_font_init(P1(gs_font_type42 *));
