1 files changed, 78 insertions, 0 deletions
diff --git a/src/sfntfont.h b/src/sfntfont.h
new file mode 100644
index 00000000000..0e57ee35028
--- /dev/null
+++ b/src/sfntfont.h
@@ -0,0 +1,78 @@
+/* sfnt format font driver for GNU Emacs.
+
+Copyright (C) 2023-2024 Free Software Foundation, Inc.
+
+This file is part of GNU Emacs.
+
+GNU Emacs 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 3 of the License, or (at
+your option) any later version.
+
+GNU Emacs 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 GNU Emacs.  If not, see <https://www.gnu.org/licenses/>.  */
+
+#ifndef _SFNTFONT_H_
+#define _SFNTFONT_H_
+
+#include "lisp.h"
+#include "frame.h"
+#include "font.h"
+#include "sfnt.h"
+
+extern int sfnt_enum_font (const char *);
+
+
+/* Font driver callbacks.  */
+
+extern Lisp_Object sfntfont_list (struct frame *, Lisp_Object);
+extern Lisp_Object sfntfont_match (struct frame *, Lisp_Object);
+extern Lisp_Object sfntfont_open (struct frame *, Lisp_Object, int);
+
+extern unsigned int sfntfont_encode_char (struct font *, int);
+extern void sfntfont_text_extents (struct font *, const unsigned int *,
+				   int, struct font_metrics *);
+extern void sfntfont_close (struct font *);
+extern int sfntfont_draw (struct glyph_string *, int, int,
+			  int, int, bool);
+extern Lisp_Object sfntfont_list_family (struct frame *);
+extern int sfntfont_get_variation_glyphs (struct font *, int, unsigned[256]);
+
+
+/* Initialization functions.  */
+
+typedef void (*sfntfont_put_glyph_proc) (struct glyph_string *, int, int,
+					 int, int, bool, struct sfnt_raster **,
+					 int *);
+
+extern void syms_of_sfntfont (void);
+extern void init_sfntfont (void);
+extern void mark_sfntfont (void);
+extern void init_sfntfont_vendor (Lisp_Object, const struct font_driver *,
+				  sfntfont_put_glyph_proc);
+
+
+/* mmap specific functions.  */
+
+#ifdef HAVE_MMAP
+
+extern bool sfntfont_detect_sigbus (void *);
+
+#endif /* HAVE_MMAP */
+
+
+
+/* HarfBuzz specific functions.  */
+
+#ifdef HAVE_HARFBUZZ
+
+extern hb_font_t *sfntfont_begin_hb_font (struct font *, double *);
+
+#endif /* HAVE_HARFBUZZ */
+
+#endif /* _SFNTFONT_H_ */