From 713849f63b782e52c558dd85add4f54c538a72c1 Mon Sep 17 00:00:00 2001 From: Jason Rumney Date: Sat, 8 Dec 2007 01:47:40 +0000 Subject: New file. --- src/w32font.h | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) create mode 100644 src/w32font.h (limited to 'src/w32font.h') diff --git a/src/w32font.h b/src/w32font.h new file mode 100644 index 00000000000..1faa34dcb7a --- /dev/null +++ b/src/w32font.h @@ -0,0 +1,55 @@ +/* Shared GDI and Uniscribe Font backend declarations for the W32 API. + Copyright (C) 2007 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 2, 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; see the file COPYING. If not, write to +the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, +Boston, MA 02110-1301, USA. */ + +#ifndef EMACS_W32FONT_H +#define EMACS_W32FONT_H + + +/* Bit 17 of ntmFlags in NEWTEXTMETRIC is set for Postscript OpenType fonts, + bit 18 for Truetype OpenType fonts. */ +#define NTMFLAGS_OPENTYPE 0x60000 + +/* The actual structure for a w32 font, that can be cast to struct font. + The Uniscribe backend extends this. */ +struct w32font_info +{ + struct font font; + TEXTMETRIC metrics; + struct frame *owning_frame; +}; + +Lisp_Object w32font_get_cache P_ ((Lisp_Object frame)); +Lisp_Object w32font_list_internal P_ ((Lisp_Object frame, + Lisp_Object font_spec, + int opentype_only)); +Lisp_Object w32font_match_internal P_ ((Lisp_Object frame, + Lisp_Object font_spec, + int opentype_only)); +struct font * w32font_open P_ ((FRAME_PTR f, Lisp_Object font_entity, + int pixel_size)); +void w32font_close P_ ((FRAME_PTR f, struct font *font)); +int w32font_has_char P_ ((Lisp_Object entity, int c)); +unsigned w32font_encode_char P_ ((struct font *font, int c)); +int w32font_text_extents P_ ((struct font *font, unsigned *code, int nglyphs, + struct font_metrics *metrics)); +int w32font_draw P_ ((struct glyph_string *s, int from, int to, + int x, int y, int with_background)); + +#endif -- cgit v1.2.1