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- /* Copyright (C) 1989, 1991, 1993, 1994, 1996, 1997 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.
- */
-
- /* ifont.h */
- /* Interpreter internal font representation */
-
- #include "gsccode.h" /* for gs_glyph */
- #include "gsstruct.h" /* for extern_st */
-
- /* The external definition of fonts is given in the PostScript manual, */
- /* pp. 91-93. */
-
- /* The structure given below is 'client data' from the viewpoint */
- /* of the library. font-type objects (t_struct/st_font, "t_fontID") */
- /* point directly to a gs_font. */
-
- typedef struct font_data_s {
- ref dict; /* font dictionary object */
- ref BuildChar;
- ref BuildGlyph;
- ref Encoding;
- ref CharStrings;
- union _fs {
- struct _f1 {
- ref OtherSubrs; /* from Private dictionary */
- ref Subrs; /* from Private dictionary */
- ref GlobalSubrs; /* from Private dictionary, */
- /* for Type 2 charstrings */
- } type1;
- struct _f42 {
- ref sfnts;
- } type42;
- } u;
- } font_data;
- /*
- * Even though the interpreter's part of the font data actually
- * consists of refs, allocating it as refs tends to create sandbars;
- * since it is always allocated and freed as a unit, we can treat it
- * as an ordinary structure.
- */
- /* st_font_data is exported for zdefault_make_font in zfont.c. */
- extern_st(st_font_data);
- #define public_st_font_data() /* in zfont2.c */\
- gs_public_st_ref_struct(st_font_data, font_data, "font_data")
- #define pfont_data(pfont) ((font_data *)((pfont)->client_data))
- #define pfont_dict(pfont) (&pfont_data(pfont)->dict)
-
- /* Registered encodings, for the benefit of platform fonts, `seac', */
- /* and compiled font initialization. */
- /* This is a t_array ref that points to the encodings. */
- #define registered_Encodings_countof 5
- extern ref registered_Encodings;
- #define registered_Encoding(i) (registered_Encodings.value.refs[i])
- #define StandardEncoding registered_Encoding(0)
-
- /* Internal procedures shared between modules */
-
- /* In zchar.c */
- int font_bbox_param(P2(const ref *pfdict, float bbox[4]));
-
- /* In zfont.c */
- #ifndef gs_font_DEFINED
- # define gs_font_DEFINED
- typedef struct gs_font_s gs_font;
- #endif
- int font_param(P2(const ref *pfdict, gs_font **ppfont));
- bool zfont_mark_glyph_name(P2(gs_glyph glyph, void *ignore_data));
-