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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
|
/* $XTermId: fontutils.h,v 1.152 2025/10/19 18:39:15 tom Exp $ */
/*
* Copyright 1998-2024,2025 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 */, XTermFonts * /* current */, Bool /* force */);
extern XFontStruct * xtermLoadQueryFont(XtermWidget /* xw */, const char * /*name */);
extern XTermFonts * getDoubleFont (TScreen * /* screen */, int /* which */);
extern XTermFonts * getItalicFont (TScreen * /* screen */, int /* which */);
extern XTermFonts * getNormalFont (TScreen * /* screen */, int /* which */);
extern const VTFontNames * defaultVTFontNames(XtermWidget /* xw */);
extern const VTFontNames * xtermFontName (const char */* normal */);
extern const char * whichFontEnum (VTFontEnum /* value */);
extern const char * whichFontList (XtermWidget /* xw */, const VTFontList * /* value */);
extern const char * whichFontList2(XtermWidget /* xw */, char ** /* value */);
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 Bool SetVTFont (XtermWidget /* xw */, int /* i */, Bool /* doresize */, const VTFontNames */* fonts */);
extern void allocFontList (XtermWidget /* xw */, const char * /* name */, XtermFontNames * /* target */, VTFontEnum /* which */, const char * /* source */, Bool /* ttf */);
extern void copyFontList (char *** /* targetp */, char ** /* source */);
extern void initFontLists (XtermWidget /* xw */);
extern void freeFontList (char *** /* targetp */);
extern void freeFontLists (VTFontList * /* lists */);
extern void xtermCloseFont (XtermWidget /* xw */, XTermFonts * /* fnt */);
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 xtermDerivedFont (const char * /* name */);
extern void xtermFreeFontInfo (XTermFonts * /* target */);
extern void xtermSetCursorBox (TScreen * /* screen */);
extern void xtermUpdateFontGCs (XtermWidget /* xw */, MyGetFont /* myfunc */);
extern void xtermUpdateFontInfo (XtermWidget /* xw */, Bool /* doresize */);
#define getIconicFont(screen) (&((screen)->fnt_icon))
/* use these when "which" is constant, or known in-limits */
#define GetNormalFont(screen, which) (&((screen)->fnts[which]))
#define GetDoubleFont(screen, which) (&((screen)->double_fonts[which]))
#if OPT_WIDE_ATTRS
#define GetItalicFont(screen, which) (&((screen)->ifnts[which]))
#else
#define GetItalicFont(screen, which) 0
#endif
#define FirstItemOf(vector) ((vector) ? (vector)[0] : NULL)
#define CurrentXftFont(xw) ((xw)->work.fonts.xft.list_n[0])
#define DefaultFontN(xw) ((xw)->work.fonts.x11.list_n[0])
#define DefaultFontB(xw) ((xw)->work.fonts.x11.list_b[0])
#define DefaultFontW(xw) ((xw)->work.fonts.x11.list_w[0])
#define DefaultFontWB(xw) ((xw)->work.fonts.x11.list_wb[0])
#if OPT_DEC_CHRSET
extern char *xtermSpecialFont (XTermDraw * /* params */);
#endif
#define FontLacksMetrics(font) \
((font)->fs != NULL \
&& ((font)->fs->per_char == NULL))
#define FontIsIncomplete(font) \
((font)->fs != NULL \
&& (font)->fs->per_char != NULL \
&& !(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) < MaxUChar) && ((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) \
|| ( (ch) < MaxUChar && !IsLatin1(screen, ch) ) ) \
&& xtermMissingChar(ch, font) ) \
|| ForceBoxChars(screen, ch) ) )
#else
#define IsXtermMissingChar(screen, ch, font) False
#endif
extern void xtermDrawBoxChar (XTermDraw * /* params */, unsigned /* ch */, GC /* gc */, int /* x */, int /* y */, int /* cols */, Bool /* xftords */);
#if OPT_BOX_CHARS || OPT_REPORT_FONTS
#define XTermFontsRef(fontList, which) \
(((which) != fNorm && \
((fontList)[(which)].fs == NULL || \
(fontList)[(which)].fs->per_char == NULL) && \
((fontList)[fNorm].fs != NULL && \
(fontList)[fNorm].fs->per_char != NULL)) \
? &((fontList)[fNorm]) \
: &((fontList)[(which)]))
#endif
extern Bool xtermMissingChar (unsigned /* ch */, XTermFonts */* font */);
#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
/* checks for internal charset codes */
#define xtermIsDecTechnical(ch) ((ch) >= XTERM_PUA && (ch) <= XTERM_PUA + 6)
#define xtermIsDecGraphic(ch) ((ch) > 0 && (ch) < 32)
#define xtermIsInternalCs(ch) (xtermIsDecGraphic(ch) || xtermIsDecTechnical(ch))
#if OPT_RENDERFONT
extern Boolean maybeXftCache(XtermWidget /* xw */, XftFont * /* font */);
extern Bool xtermXftMissing (XtermWidget /* xw */, XTermXftFonts * /* fontData */, int /* fontNum */, XftFont * /* font */, unsigned /* wc */);
extern XTermXftFonts *getMyXftFont (XtermWidget /* xw */, int /* which */, int /* fontnum */);
extern const char * whichXftFonts(XtermWidget /* xw */, const XTermXftFonts * /* data */);
extern int findXftGlyph (XtermWidget /* xw */, XTermXftFonts * /* fontData */, unsigned /* wc */);
extern XftFont *getXftFont (XtermWidget /* xw */, VTFontEnum /* which */, int /* fontnum */);
extern void closeCachedXft (TScreen * /* screen */, XftFont * /* font */);
extern void xtermCloseXft (TScreen * /* screen */, XTermXftFonts * /* pub */);
#if OPT_DEC_CHRSET
extern void getDoubleXftFont(XTermDraw * /* params */, XTermXftFonts * /* fontData */, unsigned /* chrset */, unsigned /* attr_flags */);
#endif
#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 unsigned xtermUpdateItalics (XtermWidget /* xw */, unsigned /* new_attrs */, unsigned /* old_attrs */);
extern void xtermLoadItalics (XtermWidget /* xw */);
#endif
#if OPT_WIDE_CHARS
extern unsigned ucs2dec (TScreen * /* screen */, unsigned /* ch */);
extern unsigned dec2ucs (TScreen * /* screen */, unsigned /* ch */);
#endif
/* *INDENT-ON* */
#endif /* included_fontutils_h */
|
