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/* Copyright (C) 2001-2019 Artifex Software, Inc.
All Rights Reserved.
This software is provided AS-IS with no warranty, either express or
implied.
This software is distributed under license and may not be copied,
modified or distributed except as expressly authorized under the terms
of the license contained in the file LICENSE in this distribution.
Refer to licensing information at http://www.artifex.com or contact
Artifex Software, Inc., 1305 Grant Avenue - Suite 200, Novato,
CA 94945, U.S.A., +1(415)492-9861, for further information.
*/
/* Internal character definition for Ghostscript library */
/* Requires gsmatrix.h, gxfixed.h */
#ifndef gxchar_INCLUDED
# define gxchar_INCLUDED
#include "gschar.h"
#include "gxtext.h"
struct gs_show_enum_s {
/* Put this first for subclassing. */
gs_text_enum_common; /* (procs, text, index) */
};
/* The structure descriptor is public for gschar.c. */
#define public_st_gs_show_enum() /* in gxchar.c */\
gs_public_st_composite(st_gs_show_enum, gs_show_enum, "gs_show_enum",\
show_enum_enum_ptrs, show_enum_reloc_ptrs)
/* Get the current character code. */
int gx_current_char(const gs_text_enum_t * pte);
int gx_alloc_char_bits(gs_font_dir *, gx_device_memory *, gx_device_memory *, ushort, ushort, const gs_log2_scale_point *, int, cached_char **);
void gx_open_cache_device(gx_device_memory *, cached_char *);
void gx_free_cached_char(gs_font_dir *, cached_char *);
int gx_add_cached_char(gs_font_dir *, gx_device_memory *, cached_char *, cached_fm_pair *, const gs_log2_scale_point *);
void gx_add_char_bits(gs_font_dir *, cached_char *, const gs_log2_scale_point *);
cached_char *
gx_lookup_cached_char(const gs_font *, const cached_fm_pair *, gs_glyph, int, int, gs_fixed_point *);
int gx_image_cached_char(gs_show_enum *, cached_char *);
void gx_compute_text_oversampling(const gs_show_enum * penum, const gs_font *pfont,
int alpha_bits, gs_log2_scale_point *p_log2_scale);
int set_char_width(gs_show_enum *penum, gs_gstate *pgs, double wx, double wy);
int gx_default_text_restore_state(gs_text_enum_t *pte);
int gx_hld_stringwidth_begin(gs_gstate * pgs, gx_path **path);
/* Define the maximum size of a full temporary bitmap when rasterizing, */
/* in bits (not bytes). */
#define MAX_CCACHE_TEMP_BITMAP_BITS ((uint)80000)
#endif /* gxchar_INCLUDED */
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