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713849f6 | 1 | /* Shared GDI and Uniscribe Font backend declarations for the W32 API. |
7e14d905 | 2 | Copyright (C) 2007, 2008 Free Software Foundation, Inc. |
713849f6 JR |
3 | |
4 | This file is part of GNU Emacs. | |
5 | ||
b9b1cc14 | 6 | GNU Emacs is free software: you can redistribute it and/or modify |
713849f6 | 7 | it under the terms of the GNU General Public License as published by |
b9b1cc14 GM |
8 | the Free Software Foundation, either version 3 of the License, or |
9 | (at your option) any later version. | |
713849f6 JR |
10 | |
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
b9b1cc14 | 17 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
713849f6 JR |
18 | |
19 | #ifndef EMACS_W32FONT_H | |
20 | #define EMACS_W32FONT_H | |
21 | ||
22 | ||
23 | /* Bit 17 of ntmFlags in NEWTEXTMETRIC is set for Postscript OpenType fonts, | |
500591f8 JR |
24 | bit 18 for Truetype OpenType fonts, bit 20 for Type1 fonts. */ |
25 | #ifndef NTM_PS_OPENTYPE | |
26 | #define NTM_PS_OPENTYPE 0x00020000 | |
27 | #endif | |
28 | #ifndef NTM_TT_OPENTYPE | |
29 | #define NTM_TT_OPENTYPE 0x00040000 | |
30 | #endif | |
31 | #ifndef NTM_TYPE1 | |
32 | #define NTM_TYPE1 0x00100000 | |
33 | #endif | |
34 | ||
35 | #define NTMFLAGS_OPENTYPE (NTM_PS_OPENTYPE | NTM_TT_OPENTYPE) | |
713849f6 | 36 | |
56a70cca JR |
37 | struct w32_metric_cache |
38 | { | |
39 | short lbearing, rbearing, width; | |
40 | unsigned char status; | |
41 | }; | |
42 | ||
43 | #define W32METRIC_NO_ATTEMPT 0 | |
44 | #define W32METRIC_SUCCESS 1 | |
45 | #define W32METRIC_FAIL 2 | |
46 | ||
713849f6 JR |
47 | /* The actual structure for a w32 font, that can be cast to struct font. |
48 | The Uniscribe backend extends this. */ | |
49 | struct w32font_info | |
50 | { | |
51 | struct font font; | |
52 | TEXTMETRIC metrics; | |
500591f8 | 53 | unsigned int glyph_idx; |
56a70cca JR |
54 | struct w32_metric_cache **cached_metrics; |
55 | int n_cache_blocks; | |
7a9ef2ed | 56 | W32FontStruct *compat_w32_font; |
713849f6 JR |
57 | }; |
58 | ||
7a9ef2ed KH |
59 | #define FONT_COMPAT(f) (((struct w32font_info *) (f))->compat_w32_font) |
60 | ||
56a70cca JR |
61 | #define CACHE_BLOCKSIZE 128 |
62 | ||
269c6924 | 63 | Lisp_Object w32font_get_cache P_ ((FRAME_PTR fe)); |
713849f6 JR |
64 | Lisp_Object w32font_list_internal P_ ((Lisp_Object frame, |
65 | Lisp_Object font_spec, | |
66 | int opentype_only)); | |
67 | Lisp_Object w32font_match_internal P_ ((Lisp_Object frame, | |
68 | Lisp_Object font_spec, | |
69 | int opentype_only)); | |
473d9245 | 70 | int w32font_open_internal P_ ((FRAME_PTR f, Lisp_Object font_entity, |
7a9ef2ed | 71 | int pixel_size, Lisp_Object font_object)); |
713849f6 JR |
72 | void w32font_close P_ ((FRAME_PTR f, struct font *font)); |
73 | int w32font_has_char P_ ((Lisp_Object entity, int c)); | |
713849f6 JR |
74 | int w32font_text_extents P_ ((struct font *font, unsigned *code, int nglyphs, |
75 | struct font_metrics *metrics)); | |
76 | int w32font_draw P_ ((struct glyph_string *s, int from, int to, | |
77 | int x, int y, int with_background)); | |
78 | ||
164ce7fa JR |
79 | |
80 | int uniscribe_check_otf P_ ((LOGFONT *font, Lisp_Object otf_spec)); | |
81 | ||
713849f6 | 82 | #endif |
6a5168e8 MB |
83 | |
84 | /* arch-tag: ef9d9675-a2a5-4d01-9526-815e9a3da7cb | |
85 | (do not change this comment) */ |