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/* Copyright (C) 1989, 1992, 1993 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 Ghostscript General Public License for full details.
*/
/* gsfont.h */
/* Client interface to font operations */
/* Requires gsmatrix.h */
/* A 'font directory' object (to avoid making fonts global). */
/* 'directory' is something of a misnomer: this structure */
/* just keeps track of the defined fonts, and the scaled font and */
/* rendered character caches. */
#ifndef gs_font_dir_DEFINED
# define gs_font_dir_DEFINED
typedef struct gs_font_dir_s gs_font_dir;
#endif
/* Font objects */
#ifndef gs_font_DEFINED
# define gs_font_DEFINED
typedef struct gs_font_s gs_font;
#endif
/* Initialization */
/* These procedures return 0 if they fail. */
gs_font_dir *gs_font_dir_alloc(P1(gs_memory_t *));
gs_font_dir *gs_font_dir_alloc_limits(P6(gs_memory_t *,
uint /*smax*/, uint /*bmax*/, uint /*mmax*/,
uint /*cmax*/, uint /*upper*/));
/* Font manipulations */
/* Use gs_definefont only with original (unscaled) fonts! */
int gs_definefont(P2(gs_font_dir *, gs_font *));
/* gs_scalefont and gs_makefont return 0 if the scaled font */
/* was already in the cache, 1 if a new font was created. */
int gs_scalefont(P4(gs_font_dir *, const gs_font *, floatp, gs_font **));
int gs_makefont(P4(gs_font_dir *, const gs_font *, const gs_matrix *, gs_font **));
int gs_setfont(P2(gs_state *, gs_font *));
gs_font * gs_currentfont(P1(const gs_state *));
gs_font * gs_rootfont(P1(const gs_state *));
void gs_purge_font(P1(const gs_font *));
/* Font cache parameter operations */
void gs_cachestatus(P2(const gs_font_dir *, uint [7]));
int gs_setcachelimit(P2(gs_font_dir *, uint));
uint gs_currentcachelower(P1(const gs_font_dir *));
int gs_setcachelower(P2(gs_font_dir *, uint));
uint gs_currentcacheupper(P1(const gs_font_dir *));
int gs_setcacheupper(P2(gs_font_dir *, uint));
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