(phases-of-moon, lunar-new-moon-on-or-after): Doc fixes.
[emacs.git] / src / w32bdf.h
blobde472e12fc03f9b88377a159c6bc5e241e8332df
1 /* Definitions and header for handling BDF fonts on the Microsoft W32 API.
2 Copyright (C) 1999, 2001, 2002, 2003, 2004, 2005,
3 2006, 2007, 2008 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3, or (at your option)
10 any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs; see the file COPYING. If not, write to
19 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
20 Boston, MA 02110-1301, USA. */
22 /* Based heavily on code by H. Miyashita for Meadow (a descendant of
23 MULE for W32). */
25 #ifndef EMACS_W32BDF_H
26 #define EMACS_W32BDF_H
28 #define BDF_FIRST_OFFSET_TABLE 0x200
29 #define BDF_SECOND_OFFSET_TABLE 0x80
30 #define BDF_SECOND_OFFSET(x) ((x) & 0x7f)
31 #define BDF_FIRST_OFFSET(x) (((x) >> 8) | (((x) & 0x80) << 1))
32 #define BDF_CODEPOINT_MAX (BDF_FIRST_OFFSET_TABLE * BDF_SECOND_OFFSET_TABLE)
33 #define BDF_CODEPOINT_RANGE_COVER_P(x) (((x) >= 0) && ((x) <= BDF_CODEPOINT_MAX))
35 #define BDF_FONT_CACHE_SIZE 3000
36 #define BDF_FONT_CLEAR_SIZE 600
39 GLYPH METRIC (# ... character's reference point)
41 y | (urx, ury)
42 | ^ +----------------+
43 a | b| |character | <- font bounding Box
44 x | b| | |
45 i | h| | #(bbox, bboy) |
46 s | v +----------------+
47 | (llx, lly)
48 | <---------------->
49 | bbw
50 +----------------------->
51 origin x axis
56 /* Structure of glyph information of one character. */
57 typedef struct
59 int dwidth; /* width in pixels */
60 int bbw, bbh, bbox, bboy; /* bounding box in pixels */
61 } glyph_metric;
63 typedef struct
65 glyph_metric metric;
66 int row_byte_size; /* size in bytes occupied by one row of the bitmap */
67 int bitmap_size; /* size in bytes of the following slots */
68 unsigned char *bitmap; /* */
69 } glyph_struct;
71 typedef struct fchar *pfont_char;
73 typedef struct
75 glyph_metric metric;
76 pfont_char psrc;
77 int row_byte_size;
78 int bitmap_size;
79 unsigned char *pbmp;
80 } cache_bitmap;
82 typedef struct fchar
84 unsigned char *offset;
85 cache_bitmap *pcbmp;
86 } font_char;
88 typedef struct
90 char *filename;
91 HANDLE hfile;
92 HANDLE hfilemap;
93 unsigned char *font;
94 unsigned char *seeked;
95 DWORD size;
96 font_char *chtbl[BDF_FIRST_OFFSET_TABLE];
97 int llx, lly, urx, ury; /* Font bounding box */
99 int yoffset;
100 int relative_compose;
101 int default_ascent;
103 unsigned char *registry;
104 unsigned char *encoding;
105 unsigned char *slant;
106 /* unsigned char *width; */
108 int width;
109 int height;
110 int pixsz;
111 int nchars;
112 } bdffont;
114 #define BDF_FILE_SIZE_MAX 256*1024*1024 /* 256Mb */
115 #define BDF_FONT_FILE(font) (((bdffont*)(font))->filename)
116 #define MAKELENDSHORT(c1, c2) (unsigned short)((c1) | ((c2) << 8))
118 bdffont *w32_init_bdf_font (char *filename);
119 void w32_free_bdf_font (bdffont *fontp);
120 int w32_get_bdf_glyph (bdffont *fontp, int index, int size,
121 glyph_struct *glyph);
122 int w32_BDF_TextOut (bdffont *fontp, HDC hdc, int left,
123 int top, unsigned char *text, int dim,
124 int bytelen, int fixed_pitch_size);
125 int w32_BDF_to_x_font (char *file, char* xstr, int len);
127 #endif /* EMACS_W32BDF_H */
129 /* arch-tag: 7499e9f2-197e-44cc-9274-373f00b51eec
130 (do not change this comment) */