-
Notifications
You must be signed in to change notification settings - Fork 0
/
fontutils.h
139 lines (117 loc) · 5.44 KB
/
fontutils.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
/* $XTermId: fontutils.h,v 1.94 2014/06/08 21:10:27 tom Exp $ */
/*
* Copyright 1998-2013,2014 by Thomas E. Dickey
*
* All Rights Reserved
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name(s) of the above copyright
* holders shall not be used in advertising or otherwise to promote the
* sale, use or other dealings in this Software without prior written
* authorization.
*/
#ifndef included_fontutils_h
#define included_fontutils_h 1
#include <xterm.h>
/* *INDENT-OFF* */
extern Bool xtermLoadDefaultFonts (XtermWidget /* xw */);
extern Bool xtermOpenFont (XtermWidget /* xw */, const char */* name */, XTermFonts * /* result */, fontWarningTypes /* warn */, Bool /* force */);
extern XTermFonts * xtermCloseFont (XtermWidget /* xw */, XTermFonts * /* fnt */);
extern const VTFontNames * xtermFontName (const char */* normal */);
extern int lookupRelativeFontSize (XtermWidget /* xw */, int /* old */, int /* relative */);
extern int xtermGetFont(const char * /* param */);
extern int xtermLoadFont (XtermWidget /* xw */, const VTFontNames */* fonts */, Bool /* doresize */, int /* fontnum */);
extern void HandleSetFont PROTO_XT_ACTIONS_ARGS;
extern void SetVTFont (XtermWidget /* xw */, int /* i */, Bool /* doresize */, const VTFontNames */* fonts */);
extern void xtermCloseFonts (XtermWidget /* xw */, XTermFonts * /* fnts[fMAX] */);
extern void xtermComputeFontInfo (XtermWidget /* xw */, VTwin */* win */, XFontStruct */* font */, int /* sbwidth */);
extern void xtermCopyFontInfo (XTermFonts * /* target */, XTermFonts * /* source */);
extern void xtermFreeFontInfo (XTermFonts * /* target */);
extern void xtermSaveFontInfo (TScreen * /* screen */, XFontStruct */* font */);
extern void xtermSetCursorBox (TScreen * /* screen */);
extern void xtermUpdateFontInfo (XtermWidget /* xw */, Bool /* doresize */);
extern void xtermUpdateFontGCs (XtermWidget /* xw */, XTermFonts * /* fnts */);
#if OPT_DEC_CHRSET
extern char *xtermSpecialFont (TScreen */* screen */, unsigned /* attr_flags */, unsigned /* draw_flags */, unsigned /* chrset */);
#endif
#define FontLacksMetrics(font) \
((font)->fs != 0 \
&& ((font)->fs->per_char == 0))
#define FontIsIncomplete(font) \
((font)->fs != 0 \
&& (font)->fs->per_char != 0 \
&& !(font)->fs->all_chars_exist)
#if OPT_BOX_CHARS
#define ForceBoxChars(screen,ch) \
(xtermIsDecGraphic(ch) \
&& (screen)->force_box_chars)
/*
* Keep track of (some) characters to make the check for missing
* characters faster. If the character is known to be missing,
* the cache value is '2'. If we have checked the character, the
* cached value is '1'.
*/
#if OPT_WIDE_CHARS
#define CheckedKnownMissing(font, ch) \
(((ch) < KNOWN_MISSING) && ((font)->known_missing[(Char)(ch)] > 0))
#else
#define CheckedKnownMissing(font, ch) \
((font)->known_missing[(Char)(ch)] > 0)
#endif
#define IsXtermMissingChar(screen, ch, font) \
(CheckedKnownMissing(font, ch) \
? ((font)->known_missing[(Char)(ch)] > 1) \
: ((FontIsIncomplete(font) && xtermMissingChar(ch, font)) \
|| ForceBoxChars(screen, ch)))
extern void xtermDrawBoxChar (XtermWidget /* xw */, unsigned /* ch */, unsigned /* attr_flags */, unsigned /* draw_flags */, GC /* gc */, int /* x */, int /* y */, int /* cols */);
#else
#define IsXtermMissingChar(screen, ch, font) False
#endif
#if OPT_BOX_CHARS || OPT_REPORT_FONTS
extern Bool xtermMissingChar (unsigned /* ch */, XTermFonts */* font */);
#endif
#if OPT_LOAD_VTFONTS
extern void HandleLoadVTFonts PROTO_XT_ACTIONS_ARGS;
#endif
#if OPT_LOAD_VTFONTS || OPT_WIDE_CHARS
extern Bool xtermLoadWideFonts (XtermWidget /* w */, Bool /* nullOk */);
extern void xtermSaveVTFonts(XtermWidget /* xw */);
#endif
#define xtermIsDecGraphic(ch) ((ch) > 0 && (ch) < 32)
#if OPT_RENDERFONT
extern Bool xtermXftMissing (XtermWidget /* xw */, XftFont * /* font */, unsigned /* wc */);
extern void xtermCloseXft(TScreen * /* screen */, XTermXftFonts * /* pub */);
#endif
#if OPT_SHIFT_FONTS
extern String getFaceName(XtermWidget /* xw */, Bool /* wideName */);
extern void HandleLargerFont PROTO_XT_ACTIONS_ARGS;
extern void HandleSmallerFont PROTO_XT_ACTIONS_ARGS;
extern void setFaceName(XtermWidget /* xw */, const char * /*value */);
#endif
#if OPT_WIDE_ATTRS
extern void xtermLoadItalics(XtermWidget /* xw */);
#endif
#if OPT_WIDE_CHARS
extern unsigned ucs2dec (unsigned);
extern unsigned dec2ucs (unsigned);
#endif
/* *INDENT-ON* */
#endif /* included_fontutils_h */