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- /* Copyright (C) 1989, 1993, 1996, 1997 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: gsfont.h,v 1.2 2000/09/19 19:00:28 lpd Exp $ */
- /* Generic font and font cache interface */
- /* Requires gsmatrix.h */
-
- #ifndef gsfont_INCLUDED
- # define gsfont_INCLUDED
-
- /* 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_alloc2(P2(gs_memory_t * struct_mem,
- gs_memory_t * bits_mem));
- gs_font_dir *gs_font_dir_alloc2_limits(P7(gs_memory_t * struct_mem,
- gs_memory_t * bits_mem,
- uint smax, uint bmax, uint mmax,
- uint cmax, uint upper));
-
- /* Backward compatibility */
- #define gs_font_dir_alloc(mem) gs_font_dir_alloc2(mem, mem)
- #define gs_font_dir_alloc_limits(mem, smax, bmax, mmax, cmax, upper)\
- gs_font_dir_alloc2_limits(mem, mem, smax, bmax, mmax, cmax, 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_set_currentfont(P2(gs_state *, gs_font *));
- void gs_purge_font(P1(gs_font *));
-
- /* Font cache parameter operations */
- void gs_cachestatus(P2(const gs_font_dir *, uint[7]));
-
- #define gs_setcachelimit(pdir,limit) gs_setcacheupper(pdir,limit)
- uint gs_currentcachesize(P1(const gs_font_dir *));
- int gs_setcachesize(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));
-
- #endif /* gsfont_INCLUDED */
-