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- /* char.h: declarations for handling TFM and BZR characters simultaneously.
-
- Copyright (C) 1992 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #ifndef CHAR_H
- #define CHAR_H
-
- #include "bzr.h"
- #include "input-ccc.h"
-
- typedef enum { bzr_char_class, ccc_char_class } char_class_type;
-
- typedef struct
- {
- char_class_type tag;
- union
- {
- bzr_char_type *bzr_char;
- ccc_type *ccc_char;
- } u;
- } char_type;
-
- #define CHAR_CLASS(c) ((c).tag)
- #define CHAR_BZR(c) ((c).u.bzr_char)
- #define CHAR_CCC(c) ((c).u.ccc_char)
-
-
- /* See char.c. */
- extern real oblique_angle;
-
- /* Slant all splines in the list by `oblique_angle'. */
- extern spline_list_array_type oblique_splines (spline_list_array_type);
-
-
- /* Return an array of which characters are needed by CCC_CHARS (between
- START and END) as subroutines, and how many we found in SUBR_COUNT. */
- extern char_type **subr_chars (bzr_char_type *[], ccc_type *ccc_chars[],
- charcode_type start, charcode_type end,
- unsigned *subr_count);
-
- /* Scale a character by SCALE_FACTOR. */
- extern void scale_char (bzr_char_type *, real scale_factor);
-
- #endif /* not CHAR_H */
-