Commit | Line | Data |
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7b416d42 | 1 | /* Definitions and header for handling BDF fonts on the Microsoft W32 API. |
429ab54e | 2 | Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005, |
8cabe764 | 3 | 2006, 2007, 2008 Free Software Foundation, Inc. |
7b416d42 GV |
4 | |
5 | This file is part of GNU Emacs. | |
6 | ||
b9b1cc14 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
7b416d42 | 8 | it under the terms of the GNU General Public License as published by |
b9b1cc14 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
7b416d42 GV |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
b9b1cc14 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
7b416d42 GV |
19 | |
20 | /* Based heavily on code by H. Miyashita for Meadow (a descendant of | |
21 | MULE for W32). */ | |
22 | ||
4cc436ed JR |
23 | #ifndef EMACS_W32BDF_H |
24 | #define EMACS_W32BDF_H | |
7b416d42 GV |
25 | |
26 | #define BDF_FIRST_OFFSET_TABLE 0x200 | |
27 | #define BDF_SECOND_OFFSET_TABLE 0x80 | |
28 | #define BDF_SECOND_OFFSET(x) ((x) & 0x7f) | |
29 | #define BDF_FIRST_OFFSET(x) (((x) >> 8) | (((x) & 0x80) << 1)) | |
ebbf77ea JR |
30 | #define BDF_CODEPOINT_MAX (BDF_FIRST_OFFSET_TABLE * BDF_SECOND_OFFSET_TABLE) |
31 | #define BDF_CODEPOINT_RANGE_COVER_P(x) (((x) >= 0) && ((x) <= BDF_CODEPOINT_MAX)) | |
32 | ||
33 | #define BDF_FONT_CACHE_SIZE 3000 | |
34 | #define BDF_FONT_CLEAR_SIZE 600 | |
35 | ||
177c0ea7 | 36 | /* |
ebbf77ea JR |
37 | GLYPH METRIC (# ... character's reference point) |
38 | ^ | |
39 | y | (urx, ury) | |
40 | | ^ +----------------+ | |
41 | a | b| |character | <- font bounding Box | |
42 | x | b| | | | |
43 | i | h| | #(bbox, bboy) | | |
44 | s | v +----------------+ | |
45 | | (llx, lly) | |
46 | | <----------------> | |
47 | | bbw | |
48 | +-----------------------> | |
49 | origin x axis | |
50 | */ | |
51 | ||
7b416d42 | 52 | |
865203c3 | 53 | |
7b416d42 GV |
54 | /* Structure of glyph information of one character. */ |
55 | typedef struct | |
56 | { | |
57 | int dwidth; /* width in pixels */ | |
58 | int bbw, bbh, bbox, bboy; /* bounding box in pixels */ | |
865203c3 GV |
59 | } glyph_metric; |
60 | ||
61 | typedef struct | |
62 | { | |
63 | glyph_metric metric; | |
ebbf77ea JR |
64 | int row_byte_size; /* size in bytes occupied by one row of the bitmap */ |
65 | int bitmap_size; /* size in bytes of the following slots */ | |
7b416d42 GV |
66 | unsigned char *bitmap; /* */ |
67 | } glyph_struct; | |
68 | ||
865203c3 GV |
69 | typedef struct fchar *pfont_char; |
70 | ||
71 | typedef struct | |
72 | { | |
73 | glyph_metric metric; | |
74 | pfont_char psrc; | |
ebbf77ea JR |
75 | int row_byte_size; |
76 | int bitmap_size; | |
77 | unsigned char *pbmp; | |
865203c3 GV |
78 | } cache_bitmap; |
79 | ||
80 | typedef struct fchar | |
81 | { | |
82 | unsigned char *offset; | |
83 | cache_bitmap *pcbmp; | |
84 | } font_char; | |
85 | ||
7b416d42 GV |
86 | typedef struct |
87 | { | |
88 | char *filename; | |
89 | HANDLE hfile; | |
90 | HANDLE hfilemap; | |
91 | unsigned char *font; | |
92 | unsigned char *seeked; | |
93 | DWORD size; | |
865203c3 | 94 | font_char *chtbl[BDF_FIRST_OFFSET_TABLE]; |
7b416d42 GV |
95 | int llx, lly, urx, ury; /* Font bounding box */ |
96 | ||
97 | int yoffset; | |
98 | int relative_compose; | |
99 | int default_ascent; | |
865203c3 GV |
100 | |
101 | unsigned char *registry; | |
102 | unsigned char *encoding; | |
103 | unsigned char *slant; | |
104 | /* unsigned char *width; */ | |
105 | ||
7b416d42 GV |
106 | int width; |
107 | int height; | |
108 | int pixsz; | |
0e4c08e8 | 109 | int nchars; |
7b416d42 GV |
110 | } bdffont; |
111 | ||
7b416d42 GV |
112 | #define BDF_FILE_SIZE_MAX 256*1024*1024 /* 256Mb */ |
113 | #define BDF_FONT_FILE(font) (((bdffont*)(font))->filename) | |
114 | #define MAKELENDSHORT(c1, c2) (unsigned short)((c1) | ((c2) << 8)) | |
115 | ||
116 | bdffont *w32_init_bdf_font (char *filename); | |
117 | void w32_free_bdf_font (bdffont *fontp); | |
118 | int w32_get_bdf_glyph (bdffont *fontp, int index, int size, | |
119 | glyph_struct *glyph); | |
120 | int w32_BDF_TextOut (bdffont *fontp, HDC hdc, int left, | |
121 | int top, unsigned char *text, int dim, | |
122 | int bytelen, int fixed_pitch_size); | |
123 | int w32_BDF_to_x_font (char *file, char* xstr, int len); | |
124 | ||
4cc436ed | 125 | #endif /* EMACS_W32BDF_H */ |
ab5796a9 MB |
126 | |
127 | /* arch-tag: 7499e9f2-197e-44cc-9274-373f00b51eec | |
128 | (do not change this comment) */ |