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Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.74 by root, Tue Dec 6 15:41:26 2005 UTC vs.
Revision 1.223 by sf-exg, Sat Aug 19 17:44:35 2023 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*----------------------------------------------------------------------*
2 * File: rxvtfont.C 2 * File: rxvtfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 4 * Copyright (c) 2003-2008 Marc Lehmann <schmorp@schmorp.de>
5 * - original version. 5 * - original version.
6 * 6 *
7 * This program is free software; you can redistribute it and/or modify 7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by 8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or 9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version. 10 * (at your option) any later version.
11 * 11 *
12 * This program is distributed in the hope that it will be useful, 12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
… …
22#include "../config.h" 22#include "../config.h"
23#include "rxvt.h" 23#include "rxvt.h"
24#include "rxvtutil.h" 24#include "rxvtutil.h"
25#include "rxvtfont.h" 25#include "rxvtfont.h"
26 26
27#include <cstdlib> 27#include <stdlib.h>
28#include <wchar.h> 28
29#include <inttypes.h> 29#include <inttypes.h>
30 30
31#define DISPLAY r->display->display 31#if XFT
32#define TGC r->TermWin.gc 32# include <fontconfig/fontconfig.h>
33#endif
33 34
34#define MAX_OVERLAP (4 + 1) // max. character width in 4ths of the base width 35#define MAX_OVERLAP_ROMAN (8 + 2) // max. character width in 8ths of the base width
36#define MAX_OVERLAP_ITALIC (8 + 3) // max. overlap for italic fonts
35 37
38#define OVERLAP_OK(w,wcw,prop) ((w) <= ( \
39 (prop)->slant >= rxvt_fontprop::italic \
40 ? ((prop)->width * (wcw) * MAX_OVERLAP_ITALIC + 7) >> 3 \
41 : ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \
42 ))
43
36const struct rxvt_fallback_font { 44static const struct rxvt_fallback_font {
37 codeset cs; 45 codeset cs;
38 const char *name; 46 const char *name;
39} fallback_fonts[] = { 47} fallback_fonts[] = {
40 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" }, 48 { CS_ISO8859_1, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-1" },
41 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" }, 49 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-15" },
42 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" }, 50 { CS_ISO8859_15, "-*-*-*-r-*--*-*-*-*-c-*-fcd8859-15" },
43 51
44#if ENCODING_EU 52#if ENCODING_EU
45 // cyrillic 53 // cyrillic
46 { CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" }, 54 { CS_KOI8_R, "-*-*-*-r-*--*-*-*-*-c-*-koi8-r" },
47 { CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" }, 55 { CS_KOI8_U, "-*-*-*-r-*--*-*-*-*-c-*-koi8-u" },
48 56
49 { CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" }, 57 { CS_ISO8859_2, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-2" },
50 { CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" }, 58 { CS_ISO8859_3, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-3" },
51 { CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" }, 59 { CS_ISO8859_4, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-4" },
52 { CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" }, 60 { CS_ISO8859_5, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-5" },
53 { CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" }, 61 { CS_ISO8859_6, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-6" },
… …
59 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" }, 67 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },
60 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" }, 68 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },
61 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" }, 69 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },
62 70
63# if XFT 71# if XFT
64 { CS_KOI8_U, "xft::spacing=100:lang=ru:antialias=false" }, 72 { CS_KOI8_U, "xft::lang=ru" },
65 73
66 { CS_ISO8859_5, "xft::spacing=100:lang=ru:antialias=false" }, 74 { CS_ISO8859_5, "xft::lang=ru" },
67 { CS_ISO8859_6, "xft::spacing=100:lang=ar:antialias=false" }, 75 { CS_ISO8859_6, "xft::lang=ar" },
68 { CS_ISO8859_7, "xft::spacing=100:lang=el:antialias=false" }, 76 { CS_ISO8859_7, "xft::lang=el" },
69 { CS_ISO8859_8, "xft::spacing=100:lang=he:antialias=false" }, 77 { CS_ISO8859_8, "xft::lang=he" },
70 { CS_ISO8859_9, "xft::spacing=100:lang=tr:antialias=false" }, 78 { CS_ISO8859_9, "xft::lang=tr" },
71 { CS_ISO8859_10, "xft::spacing=100:lang=se:antialias=false" }, 79 { CS_ISO8859_10, "xft::lang=se" },
72 { CS_ISO8859_11, "xft::spacing=100:lang=th:antialias=false" }, 80 { CS_ISO8859_11, "xft::lang=th" },
73# endif 81# endif
74#endif 82#endif
75 83
76 // japanese 84 // japanese
77#if ENCODING_JP || ENCODING_JP_EXT 85#if ENCODING_JP || ENCODING_JP_EXT
78# if XFT 86# if XFT
79 // prefer xft for complex scripts 87 // prefer xft for complex scripts
88 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
80 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" }, 89 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
81 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
82 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" }, 90 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
83 { CS_JIS0208_1990_0, "xft::lang=ja:spacing=100:antialias=false" }, 91 { CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" },
84# endif 92# endif
85 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 93 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
86 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 94 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
87 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 95 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
88 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 96 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
… …
92 100
93#if ENCODING_ZH || ENCODING_ZH_EXT 101#if ENCODING_ZH || ENCODING_ZH_EXT
94# if XFT 102# if XFT
95 { CS_GBK_0, "xft:AR PL KaitiM GB" }, 103 { CS_GBK_0, "xft:AR PL KaitiM GB" },
96 { CS_GBK_0, "xft:AR PL SungtiL GB" }, 104 { CS_GBK_0, "xft:AR PL SungtiL GB" },
97 { CS_GBK_0, "xft::spacing=100:lang=zh" }, 105 { CS_GBK_0, "xft::lang=zh" },
98 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 106 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
99 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 107 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
100 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 108 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
101 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 109 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
102 { CS_GB2312_1980_0, "xft::spacing=100:lang=zh" }, 110 { CS_GB2312_1980_0, "xft::lang=zh" },
103# endif 111# endif
104 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" }, 112 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
105 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, 113 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
106 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, 114 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
107 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, 115 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
… …
120#if ENCODING_KR 128#if ENCODING_KR
121 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 129 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
122 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" }, 130 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
123# if XFT 131# if XFT
124 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" }, 132 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
125 { CS_KSC5601_1987_0, "xft::spacing=100:lang=ko:antialias=false" }, 133 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
126# endif 134# endif
127#endif 135#endif
128 136
129 // generic font fallback 137 //{ CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, // this gem of a font has actual dotted circles within the combining character glyphs.
130 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
131 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
132 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
133 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
134#if XFT 138#if XFT
135 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" }, 139 { CS_UNICODE, "xft:DejaVu Sans Mono:antialias=false:autohint=true" },
136 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" }, 140 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
137 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" }, 141 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
138 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" }, 142 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
139 143
140 // FreeMono is usually uglier than x fonts, so try last only. 144 // FreeMono is usually uglier than x fonts, so try after the others
141 { CS_UNICODE, "xft:FreeMono:autohint=true" }, 145 { CS_UNICODE, "xft:FreeMono:autohint=true" },
142#endif 146#endif
143 147
148 // generic font fallback, put this last, as many iso10646 fonts have extents
149 // specified for all glyphs in the range they cover, but most are simply empty
150 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
151 //{ CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
144 { CS_UNKNOWN, 0 } 152 { CS_UNKNOWN, 0 }
145}; 153};
146 154
147// these characters are used to guess the font height and width 155// these characters are used to guess the font height and width
148// pango uses a similar algorithm and doesn't trust the font either. 156// pango uses a similar algorithm and doesn't trust the font either.
… …
150 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_', 158 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
151 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ 159 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
152 0x304c, 0x672c, // が本 160 0x304c, 0x672c, // が本
153}; 161};
154 162
155#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0])) 163#define dTermDisplay Display *disp = term->dpy
164#define dTermGC GC gc = term->gc
156 165
157///////////////////////////////////////////////////////////////////////////// 166/////////////////////////////////////////////////////////////////////////////
158
159#if XFT
160rxvt_drawable::~rxvt_drawable ()
161{
162 if (xftdrawable)
163 XftDrawDestroy (xftdrawable);
164}
165
166rxvt_drawable::operator XftDraw *()
167{
168 if (!xftdrawable)
169 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
170
171 return xftdrawable;
172}
173#endif
174
175/////////////////////////////////////////////////////////////////////////////
176
177static void *enc_buf;
178static uint32_t enc_len;
179
180static inline void *
181get_enc_buf (uint32_t len)
182{
183 if (len > enc_len)
184 {
185 free (enc_buf);
186 enc_buf = malloc (len);
187 enc_len = len;
188 }
189
190 return enc_buf;
191}
192 167
193static const char * 168static const char *
194enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero) 169enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
195{ 170{
196 uint8_t *buf = (uint8_t *)get_enc_buf (len); 171 uint8_t *buf = rxvt_temp_buf<uint8_t> (len);
172 uint8_t *res = buf;
197 173
198 while (len--) 174 while (len--)
199 { 175 {
200 uint32_t c = FROM_UNICODE (cs, *text++); 176 uint32_t c = FROM_UNICODE (cs, *text++);
201 177
… …
206 } 182 }
207 183
208 *buf++ = c; 184 *buf++ = c;
209 } 185 }
210 186
211 return (const char *)enc_buf; 187 return (const char *)res;
212} 188}
213 189
214static const XChar2b * 190static const XChar2b *
215enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero) 191enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
216{ 192{
217 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 193 XChar2b *buf = rxvt_temp_buf<XChar2b> (len);
194 XChar2b *res = buf;
218 195
219 while (len--) 196 while (len--)
220 { 197 {
221 uint32_t c = FROM_UNICODE (cs, *text++); 198 uint32_t c = FROM_UNICODE (cs, *text++);
222 199
… …
229 buf->byte1 = c >> 8; 206 buf->byte1 = c >> 8;
230 buf->byte2 = c; 207 buf->byte2 = c;
231 buf++; 208 buf++;
232 } 209 }
233 210
234 return (XChar2b *)enc_buf; 211 return res;
235} 212}
236 213
237///////////////////////////////////////////////////////////////////////////// 214/////////////////////////////////////////////////////////////////////////////
238 215
216rxvt_font::rxvt_font ()
217: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
218{
219}
220
239void 221void
240rxvt_font::set_name (char *name) 222rxvt_font::set_name (char *name_)
241{ 223{
242 if (this->name == name) 224 if (name == name_)
243 return; 225 return;
244 226
245 if (this->name) free (this->name); // let the compiler optimize 227 if (name) free (name); // let the compiler optimize
246 this->name = name; 228 name = name_;
247} 229}
248 230
249void 231void
250rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) 232rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const
251{ 233{
252 if (color == Color_bg) 234 dTermDisplay;
253 XClearArea (d.display->display, d, x, y, w, h, FALSE); 235 dTermGC;
236
237 if (color == Color_bg || color == Color_transparent)
238 XClearArea (disp, d, x, y, w, h, false);
254 else if (color >= 0) 239 else if (color >= 0)
255 { 240 {
256#if XFT 241#if XFT
242 Picture dst;
243
244# ifdef HAVE_IMG
245 if (term->bg_img
246 && !term->pix_colors[color].is_opaque ()
247 && ((dst = XftDrawPicture (d))))
248 {
249 XClearArea (disp, d, x, y, w, h, false);
250
251 Picture solid_color_pict = XftDrawSrcPicture (d, &term->pix_colors[color].c);
252 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, x, y, w, h);
253 }
254 else
255# endif
257 XftDrawRect (d, &r->pix_colors[color].c, x, y, w, h); 256 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
257
258#else 258#else
259 XSetForeground (d.display->display, TGC, r->pix_colors[color]); 259 XSetForeground (disp, gc, term->pix_colors[color]);
260 XFillRectangle (d.display->display, d, TGC, x, y, w, h); 260 XFillRectangle (disp, d, gc, x, y, w, h);
261#endif 261#endif
262 } 262 }
263} 263}
264 264
265#include "table/linedraw.h" 265/////////////////////////////////////////////////////////////////////////////
266 266
267struct rxvt_font_default : rxvt_font { 267struct rxvt_font_default : rxvt_font
268{
268 struct rxvt_fontset *fs; 269 struct rxvt_fontset *fs;
269 270
270 rxvt_font_default (rxvt_fontset *fs) 271 rxvt_font_default (rxvt_fontset *fs)
271 : rxvt_font () 272 : rxvt_font ()
272 { 273 {
… …
276 rxvt_fontprop properties () 277 rxvt_fontprop properties ()
277 { 278 {
278 rxvt_fontprop p; 279 rxvt_fontprop p;
279 280
280 p.width = p.height = 1; 281 p.width = p.height = 1;
282 p.ascent = rxvt_fontprop::unset;
281 p.weight = rxvt_fontprop::medium; 283 p.weight = rxvt_fontprop::medium;
282 p.slant = rxvt_fontprop::roman; 284 p.slant = rxvt_fontprop::roman;
283 285
284 return p; 286 return p;
285 } 287 }
286 288
287 bool load (const rxvt_fontprop &prop) 289 bool load (const rxvt_fontprop &prop, bool force_prop)
288 { 290 {
289 width = 1; height = 1; 291 width = 1; height = 1;
290 ascent = 1; descent = 0; 292 ascent = 1; descent = 0;
291 293
292 set_name (strdup ("built-in support font")); 294 set_name (strdup ("built-in support font"));
293 295
294 return true; 296 return true;
295 } 297 }
296 298
297 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 299 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
298 { 300 {
299 careful = false; 301 careful = false;
300 302
301 if (unicode <= 0x001f) 303 if (unicode <= 0x001f)
302 return true; 304 return true;
… …
305 return false; 307 return false;
306 308
307 if (unicode <= 0x009f) 309 if (unicode <= 0x009f)
308 return true; 310 return true;
309 311
312#ifdef BUILTIN_GLYPHS
310 if (unicode >= 0x2500 && unicode <= 0x259f) 313 if (unicode >= 0x2500 && unicode <= 0x259f &&
314 !term->option (Opt_skipBuiltinGlyphs))
311 return true; 315 return true;
316#endif
312 317
313 if (IS_COMPOSE (unicode)) 318 // we do not check for IS_COMPOSE here, as this would
314 return true; 319 // rob other fonts from taking over.
315 320
316 switch (unicode) 321 switch (unicode)
317 { 322 {
318 case ZERO_WIDTH_CHAR: 323 case ZERO_WIDTH_CHAR:
319 case NOCHAR: 324 case NOCHAR:
… …
331void 336void
332rxvt_font_default::draw (rxvt_drawable &d, int x, int y, 337rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
333 const text_t *text, int len, 338 const text_t *text, int len,
334 int fg, int bg) 339 int fg, int bg)
335{ 340{
336 Display *disp = d.display->display; 341 dTermDisplay;
342 dTermGC;
337 343
338 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 344 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
339 345
340 XSetForeground (disp, TGC, r->pix_colors[fg]); 346 XSetForeground (disp, gc, term->pix_colors[fg]);
341 347
342 while (len) 348 while (len)
343 { 349 {
350 const text_t *tp = text;
351 text_t t = *tp;
352
353 while (++text, --len && *text == NOCHAR)
354 ;
355
344#if ENABLE_COMBINING 356#if ENABLE_COMBINING
345 compose_char *cc; 357 compose_char *cc;
346#endif 358#endif
347 const text_t *tp = text;
348 text_t t = *tp;
349
350 while (++text, --len && *text == NOCHAR)
351 ;
352
353 int width = text - tp; 359 int width = text - tp;
354 int fwidth = r->TermWin.fwidth * width; 360 int fwidth = term->fwidth * width;
355 361
362#ifdef BUILTIN_GLYPHS
356 if (0x2500 <= t && t <= 0x259f) 363 if (0x2500 <= t && t <= 0x259f)
357 { 364 {
365# include "table/linedraw.h"
358 uint16_t offs = linedraw_offs[t - 0x2500]; 366 uint16_t offs = linedraw_offs[t - 0x2500];
359 uint32_t *a = linedraw_command + (offs >> 4); 367 uint32_t *a = linedraw_command + (offs >> 4);
360 uint32_t *b = a + (offs & 15); 368 uint32_t *b = a + (offs & 15);
361 369
362 int W = fwidth; 370 int W = fwidth;
363 int H = r->TermWin.fheight; 371 int H = term->fheight;
364 372
365 int x_[16]; 373 int x_[16];
366 int y_[16]; 374 int y_[16];
367 375
368 for (int i = 0; i <= 8; i++) 376 for (int i = 0; i <= 8; i++)
… …
376 384
377 XGCValues gcv; 385 XGCValues gcv;
378 386
379 gcv.cap_style = CapButt; 387 gcv.cap_style = CapButt;
380 gcv.line_width = 0; 388 gcv.line_width = 0;
381 XChangeGC (disp, TGC, GCLineWidth | GCCapStyle, &gcv); 389 XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
382 390
383 while (a < b) 391 while (a < b)
384 { 392 {
385 uint32_t command = *a++; 393 uint32_t command = *a++;
386 394
… …
393 int y2 = y_[(command >> 0) & 15]; 401 int y2 = y_[(command >> 0) & 15];
394 402
395 switch (op) 403 switch (op)
396 { 404 {
397 case 0: // line 405 case 0: // line
398 XDrawLine (disp, d, TGC, x1, y1, x2, y2); 406 XDrawLine (disp, d, gc, x1, y1, x2, y2);
399 break; 407 break;
400 408
401 case 1: // rectangle, possibly stippled 409 case 1: // rectangle, possibly stippled
402 if (a) 410 if (a)
403 { 411 {
404 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 412 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
405 413
406 gcv.fill_style = FillStippled; 414 gcv.fill_style = FillStippled;
407 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2); 415 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
408 gcv.ts_x_origin = x; 416 gcv.ts_x_origin = x;
409 gcv.ts_y_origin = y; 417 gcv.ts_y_origin = y;
410 418
411 XChangeGC (disp, TGC, 419 XChangeGC (disp, gc,
412 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, 420 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
413 &gcv); 421 &gcv);
414 } 422 }
415 423
416 XFillRectangle (disp, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1); 424 XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
417 425
418 if (a) 426 if (a)
419 { 427 {
420 XFreePixmap (disp, gcv.stipple); 428 XFreePixmap (disp, gcv.stipple);
421 gcv.stipple = 0; 429 gcv.stipple = 0;
422 gcv.fill_style = FillSolid; 430 gcv.fill_style = FillSolid;
423 XChangeGC (disp, TGC, GCFillStyle, &gcv); 431 XChangeGC (disp, gc, GCFillStyle, &gcv);
424 } 432 }
425 break; 433 break;
426 case 2: // arc 434 case 2: // arc
427 XDrawArc (disp, d, TGC, 435 XDrawArc (disp, d, gc,
428 x1 - W/2, y1 - H/2, W-1, H-1, 436 x1 - W/2, y1 - H/2, W-1, H-1,
429 (a - 1) * 90*64, (b - 1) * 90*64); 437 (a - 1) * 90*64, (b - 1) * 90*64);
430 break; 438 break;
431 } 439 }
432 } 440 }
433 } 441 }
442#else
443 if (0)
444 ;
445#endif
434#if ENABLE_COMBINING 446#if ENABLE_COMBINING
435 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 447 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
436 { 448 {
449 min_it (width, 2); // we only support wcwidth up to 2
437 text_t chrs[2]; 450 text_t chrs[2];
438 width = min (2, width);
439 chrs [1] = NOCHAR; 451 chrs [1] = NOCHAR;
440 452
441 *chrs = cc->c1; 453 *chrs = cc->c1;
442 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 454 rxvt_font *f1 = (*fs)[fs->find_font_idx (cc->c1)];
443 f1->draw (d, x, y, chrs, width, fg, bg); 455 f1->draw (d, x, y, chrs, width, fg, bg);
444 456
445 if (cc->c2 != NOCHAR) 457 if (cc->c2 != NOCHAR)
446 { 458 {
447 bool careful; 459 bool careful;
448 460
449 // prefer font of first character, for no good reasons 461 // prefer font of first character, for no good reasons
450 *chrs = cc->c2; 462 *chrs = cc->c2;
451 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful) 463 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
452 ? f1 464 ? f1
453 : (*fs)[fs->find_font (cc->c2)]; 465 : (*fs)[fs->find_font_idx (cc->c2)];
454 466
455 f2->draw (d, x, y, chrs, width, fg, -1); 467 f2->draw (d, x, y, chrs, width, fg, Color_none);
456 } 468 }
457 } 469 }
458#endif 470#endif
459 else 471 else
460 switch (t) 472 switch (t)
… …
462 case '\t': 474 case '\t':
463 case ZERO_WIDTH_CHAR: 475 case ZERO_WIDTH_CHAR:
464 case NOCHAR: 476 case NOCHAR:
465 break; 477 break;
466 478
479 /*
480 * If the base font does not support variation selectors, treat them as ZWC.
481 * a point could be made to do this for all wcwidth == 0 characters, but I
482 * decided against that until more data is available.
483 */
484 case 0xfe00: case 0xfe01: case 0xfe02: case 0xfe03: case 0xfe04: case 0xfe05: case 0xfe06: case 0xfe07:
485 case 0xfe08: case 0xfe09: case 0xfe0a: case 0xfe0b: case 0xfe0c: case 0xfe0d: case 0xfe0e: case 0xfe0f:
486 break;
487
467 default: 488 default:
468 XDrawRectangle (disp, d, TGC, x + 2, y + 2, 489 XDrawRectangle (disp, d, gc, x + 2, y + 2,
469 fwidth - 4, r->TermWin.fheight - 4); 490 fwidth - 4, term->fheight - 4);
470 } 491 }
471 492
472 x += fwidth; 493 x += fwidth;
473 } 494 }
474} 495}
475 496
497struct rxvt_font_overflow : rxvt_font
498{
499 struct rxvt_fontset *fs;
500
501 rxvt_font_overflow (rxvt_fontset *fs)
502 : rxvt_font ()
503 {
504 this->fs = fs;
505 }
506
507 rxvt_fontprop properties ()
508 {
509 rxvt_fontprop p;
510
511 p.width = p.height = 1;
512 p.ascent = rxvt_fontprop::unset;
513 p.weight = rxvt_fontprop::medium;
514 p.slant = rxvt_fontprop::roman;
515
516 return p;
517 }
518
519 bool load (const rxvt_fontprop &prop, bool force_prop)
520 {
521 width = 1; height = 1;
522 ascent = 1;
523 descent = (*fs)[2]->descent;
524
525 set_name (strdup ("built-in rendition overflow font"));
526
527 return true;
528 }
529
530 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
531 {
532 return false;
533 }
534
535 void draw (rxvt_drawable &d, int x, int y,
536 const text_t *text, int len,
537 int fg, int bg)
538 {
539 while (len)
540 {
541 int fid = fs->find_font_idx (*text);
542 int w = 1;
543 while (w < len && text[w] == NOCHAR)
544 w++;
545 (*fs)[fid]->draw (d, x, y, text, w, fg, bg);
546 text += w;
547 len -= w;
548 x += term->fwidth * w;
549 }
550 }
551};
552
476///////////////////////////////////////////////////////////////////////////// 553/////////////////////////////////////////////////////////////////////////////
477 554
478struct rxvt_font_x11 : rxvt_font { 555struct rxvt_font_x11 : rxvt_font
556{
479 rxvt_font_x11 () { f = 0; } 557 rxvt_font_x11 () { f = 0; }
480 558
481 void clear (); 559 void clear ();
482 560
483 rxvt_fontprop properties (); 561 rxvt_fontprop properties ();
484 562
485 bool load (const rxvt_fontprop &prop); 563 bool load (const rxvt_fontprop &prop, bool force_prop);
486 564
487 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful); 565 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
488 566
489 void draw (rxvt_drawable &d, int x, int y, 567 void draw (rxvt_drawable &d, int x, int y,
490 const text_t *text, int len, 568 const text_t *text, int len,
491 int fg, int bg); 569 int fg, int bg);
492 570
493 bool slow; // wether this is a proportional font or has other funny characteristics 571 bool slow; // whether this is a proportional font or has other funny characteristics
494 XFontStruct *f; 572 XFontStruct *f;
495 codeset cs;
496 bool enc2b, encm; 573 bool enc2b, encm;
497 574
498 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 575 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
499 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); 576 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
500 bool set_properties (rxvt_fontprop &p, XFontStruct *f); 577 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
501 bool set_properties (rxvt_fontprop &p, const char *name); 578 bool set_properties (rxvt_fontprop &p, const char *name);
502}; 579};
503 580
504char * 581char *
505rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 582rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
506{ 583{
507 unsigned long value; 584 unsigned long value;
508 585
509 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 586 if (XGetFontProperty (f, property, &value))
510 return XGetAtomName (DISPLAY, value); 587 return XGetAtomName (term->dpy, value);
511 else 588 else
512 return rxvt_strdup (repl); 589 return repl ? strdup (repl) : 0;
513} 590}
514 591
515rxvt_fontprop 592rxvt_fontprop
516rxvt_font_x11::properties () 593rxvt_font_x11::properties ()
517{ 594{
… …
521} 598}
522 599
523bool 600bool
524rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 601rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
525{ 602{
526 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 603 p.width = width != rxvt_fontprop::unset ? width
604 : avgwidth ? (avgwidth + 1) / 10
605 : (height + 1) / 2;
527 p.height = height; 606 p.height = height;
607 p.ascent = rxvt_fontprop::unset;
528 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 608 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
529 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 609 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
530 610
531 return true; 611 return true;
532} 612}
… …
535rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 615rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
536{ 616{
537 unsigned long height; 617 unsigned long height;
538 618
539#if 0 619#if 0
540 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) 620 if (!XGetFontProperty (f, XInternAtom (term->dpy, "PIXEL_SIZE", 0), &height))
541 return false; 621 return false;
542#else 622#else
543 height = f->ascent + f->descent; 623 height = f->ascent + f->descent;
544#endif 624#endif
545 625
546 unsigned long avgwidth; 626 unsigned long avgwidth;
547 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) 627 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
548 avgwidth = 0; 628 avgwidth = 0;
549 629
550 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 630 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
551 char *slant = get_property (f, "SLANT", "r"); 631 char *slant = get_property (f, term->xa [XA_SLANT], "r");
552 632
553 set_properties (p, height, weight, slant, avgwidth); 633 set_properties (p, height, weight, slant, avgwidth);
554 634
555 free (weight); 635 free (weight);
556 free (slant); 636 free (slant);
557 637
638 p.ascent = f->ascent;
639
558 return true; 640 return true;
559} 641}
560 642
561bool 643bool
562rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) 644rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
563{ 645{
646 dTermDisplay;
564 int slashes = 0; 647 int slashes = 0;
565 const char *comp[13]; 648 const char *comp[13];
566 649
567 for (const char *c = name; *c; c++) 650 for (const char *c = name; *c; c++)
568 if (*c == '-') 651 if (*c == '-')
… …
576 if (slashes >= 13 659 if (slashes >= 13
577 && (*comp[ 6] >= '1' && *comp[ 6] <= '9') 660 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
578 && (*comp[11] >= '0' && *comp[11] <= '9')) 661 && (*comp[11] >= '0' && *comp[11] <= '9'))
579 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); 662 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
580 663
581 XFontStruct *f = XLoadQueryFont (DISPLAY, name); 664 XFontStruct *f = XLoadQueryFont (disp, name);
582 665
583 if (f) 666 if (f)
584 { 667 {
585 // the font should really exist now. if not, we have a problem 668 // the font should really exist now. if not, we have a problem
586 // (e.g. if the user did xset fp rehash just when we were searching fonts). 669 // (e.g. if the user did xset fp rehash just when we were searching fonts).
587 // in that case, just return garbage. 670 // in that case, just return garbage.
588 bool ret = set_properties (p, f); 671 bool ret = set_properties (p, f);
589 XFreeFont (DISPLAY, f); 672 XFreeFont (disp, f);
590 return ret; 673 return ret;
591 } 674 }
592 else 675 else
593 return false; 676 return false;
594} 677}
595 678
596// fix the size of scalable fonts 679// fix the size of scalable fonts
597static bool 680static bool
598replace_field (char *buf, const char *name, int index, const char old, const char *replace) 681replace_field (char **ptr, const char *name, int index, const char old, const char *replace)
599{ 682{
600 int slashes = 0; 683 int slashes = 0;
601 const char *field, *end; 684 const char *field, *end;
602 685
603 for (const char *c = name; *c; c++) 686 for (const char *c = name; *c; c++)
… …
613 break; 696 break;
614 } 697 }
615 698
616 if (slashes >= 13 && (!old || *field == old)) 699 if (slashes >= 13 && (!old || *field == old))
617 { 700 {
618 // TODO: check for overflow in font-name 701 size_t len = field - name;
619 strncpy (buf, name, field - name); 702 *ptr = (char *)malloc (len + strlen (replace) + strlen (end) + 1);
620 buf += field - name; 703 memcpy (*ptr, name, len);
621 strcpy (buf, replace); 704 strcpy (*ptr + len, replace);
622 strcat (buf, end); 705 strcat (*ptr, end);
623 706
624 return true; 707 return true;
625 } 708 }
626 else 709 else
627 { 710 {
628 strcpy (buf, name); 711 *ptr = strdup (name);
629 712
630 return false; 713 return false;
631 } 714 }
632} 715}
633 716
634bool 717bool
635rxvt_font_x11::load (const rxvt_fontprop &prop) 718rxvt_font_x11::load (const rxvt_fontprop &prop, bool force_prop)
636{ 719{
637 Display *disp = DISPLAY; 720 dTermDisplay;
638 721
639 clear (); 722 clear ();
640 723
641 char field_str[64]; // enough for 128 bits 724 char field_str[64]; // enough for 128 bits
642 725
643 // first morph the font if required 726 // first morph the font if required
644 if (prop.weight != rxvt_fontprop::unset 727 if (force_prop)
645 || prop.slant != rxvt_fontprop::unset)
646 { 728 {
647 char fname[1024]; 729 char *fname;
648 730
649 if (name[0] != '-') 731 if (name[0] != '-')
650 { 732 {
651 f = XLoadQueryFont (disp, name); 733 f = XLoadQueryFont (disp, name);
652 734
653 if (!f) 735 if (!f)
654 return false; 736 return false;
655 737
656 char *new_name = get_property (f, "FONT", name); 738 char *new_name = get_property (f, XA_FONT, 0);
657 739
658 if (new_name) 740 if (new_name)
659 set_name (new_name); 741 set_name (new_name);
660 else 742 else
661 rxvt_warn ("font '%s' has no FONT property, continuing without.", name); 743 rxvt_warn ("font '%s' has no FONT property, continuing without.\n", name);
662 744
663 XFreeFont (disp, f); 745 XFreeFont (disp, f);
664 f = 0; 746 f = 0;
665 } 747 }
666 748
667 if (prop.weight != rxvt_fontprop::unset) 749 if (prop.weight != rxvt_fontprop::unset)
668 { 750 {
669 replace_field (fname, name, 2, 0, 751 replace_field (&fname, name, 2, 0,
670 prop.weight < rxvt_fontprop::bold 752 prop.weight < rxvt_fontprop::bold
671 ? "medium" : "bold"); 753 ? "medium" : "bold");
672 set_name (strdup (fname)); 754 set_name (fname);
673 } 755 }
674 756
675 if (prop.slant != rxvt_fontprop::unset) 757 if (prop.slant != rxvt_fontprop::unset)
676 { 758 {
677 replace_field (fname, name, 3, 0, 759 replace_field (&fname, name, 3, 0,
678 prop.slant < rxvt_fontprop::italic 760 prop.slant < rxvt_fontprop::italic
679 ? "r" : "i"); // TODO: handle "o"blique, too 761 ? "r" : "i"); // TODO: handle "o"blique, too
680 set_name (strdup (fname)); 762 set_name (fname);
681 } 763 }
682 } 764 }
683 765
684 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset 766 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
685 ? 0 : prop.height); 767 ? 0 : prop.height);
… …
710 font_weight *fonts = new font_weight[count]; 792 font_weight *fonts = new font_weight[count];
711 793
712 for (int i = 0; i < count; i++) 794 for (int i = 0; i < count; i++)
713 { 795 {
714 rxvt_fontprop p; 796 rxvt_fontprop p;
715 char fname[1024]; 797 char *fname;
716 798
717 int diff = 0; 799 int diff = 0;
718 800
719 if (replace_field (fname, list[i], 6, '0', field_str)) 801 if (replace_field (&fname, list[i], 6, '0', field_str))
720 diff += 10; // slightly penalize scalable fonts 802 diff += 10; // slightly penalize scalable fonts
803 else
804 {
805 free (fname);
721 else if (replace_field (fname, list[i], 11, '0', "0")) 806 if (replace_field (&fname, list[i], 11, '0', "0"))
722 diff += 300; // more heavily penalize what looks like scaled bitmap fotns 807 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
808 }
723 809
724 if (!set_properties (p, fname)) 810 if (!set_properties (p, fname)
811 // also weed out too large fonts
812 || (prop.height != rxvt_fontprop::unset
813 && p.height > prop.height))
814 {
815 free (fname);
725 continue; 816 continue;
726 817 }
727 if (prop.height != rxvt_fontprop::unset
728 && p.height > prop.height) // weed out too large fonts
729 continue;
730 818
731 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128; 819 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
732 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight); 820 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
733 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant); 821 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
734 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width); 822 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
735 823
736 fonts[i].name = strdup (fname); 824 fonts[i].name = fname;
737 fonts[i].diff = diff; 825 fonts[i].diff = diff;
738 } 826 }
739 827
740 XFreeFontNames (list); 828 XFreeFontNames (list);
741 829
742 // this loop only iterates when the guessed font-size is too small 830 // this loop only iterates when the guessed font-size is too small
743 for (;;) 831 for (;;)
744 { 832 {
745 font_weight *best = fonts + count - 1; 833 font_weight *best = fonts;
746 834
747 for (font_weight *w = best; w-- > fonts; ) 835 for (font_weight *w = fonts + 1; w < fonts + count; w++)
748 if (w->diff <= best->diff) 836 if (w->diff < best->diff)
749 best = w; 837 best = w;
750 838
751 if (!best->name 839 if (!best->name
752 || !(f = XLoadQueryFont (disp, best->name))) 840 || !(f = XLoadQueryFont (disp, best->name)))
753 break; 841 break;
… …
770 delete [] fonts; 858 delete [] fonts;
771 859
772 if (!f) 860 if (!f)
773 return false; 861 return false;
774 862
775 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 863 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
776 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 864 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
865
866 cs = CS_UNKNOWN;
777 867
778 if (registry && encoding) 868 if (registry && encoding)
779 { 869 {
780 char charset[64]; 870 char charset[64];
781 snprintf (charset, 64, "%s-%s", registry, encoding); 871 snprintf (charset, 64, "%s-%s", registry, encoding);
782 872
783 cs = codeset_from_name (charset); 873 cs = codeset_from_name (charset);
784 } 874
785 else 875 if (cs == CS_UNKNOWN)
876 rxvt_warn ("%s: cannot deduce encoding from registry/encoding properties \"%s\", ignoring font.\n", name, charset);
786 { 877 }
878
879 free (registry);
880 free (encoding);
881
882 if (cs == CS_UNKNOWN)
883 {
787 const char *charset = get_property (f, "FONT", 0); 884 char *value = get_property (f, XA_FONT, 0);
885 const char *charset = value;
788 886
789 if (!charset) 887 if (!charset)
790 charset = name; 888 charset = name;
791 889
792 int count = 13; 890 int count = 13;
793 while (*charset) 891 while (*charset)
794 if (*charset++ == '-' && !--count) 892 if (*charset++ == '-' && !--count)
795 break; 893 break;
796 894
797 cs = codeset_from_name (charset); 895 cs = codeset_from_name (charset);
896 if (cs == CS_UNKNOWN)
897 rxvt_warn ("%s: cannot deduce encoding from font name property \"%s\", ignoring font.\n", name, charset);
898
899 free (value);
900 }
901
902 if (cs == CS_UNKNOWN)
798 } 903 {
799 904 clear ();
800 free (registry); 905 return false;
801 free (encoding); 906 }
802 907
803 if (cs == CS_UNICODE) 908 if (cs == CS_UNICODE)
804 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 909 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
805 910
806 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 911 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
807 enc2b = encm || f->max_char_or_byte2 > 255; 912 enc2b = encm || f->max_char_or_byte2 > 255;
808 913
809 slow = false; 914 slow = false;
810 915
811#if 1 // only used for slow detection, TODO optimize 916#if 1 // only used for slow detection, TODO optimize
812 if (f->min_bounds.width == f->max_bounds.width) 917 if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
813 width = f->min_bounds.width;
814 else if (f->per_char == NULL)
815 width = f->max_bounds.width; 918 width = f->max_bounds.width;
816 else 919 else
817 { 920 {
818 slow = true; 921 slow = true;
819 922
820 int N = f->max_char_or_byte2 - f->min_char_or_byte2; 923 int N = f->max_char_or_byte2 - f->min_char_or_byte2;
821 924
822 if (encm) 925 if (encm)
823 N += (f->max_byte1 - f->min_byte1) 926 N += (f->max_byte1 - f->min_byte1)
824 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1); 927 * (f->max_char_or_byte2 - f->min_char_or_byte2 + 1);
825 928
826 while (N) 929 while (N)
827 { 930 {
828 if (f->per_char[N].width > width) 931 if (f->per_char[N].width > width)
829 width = f->per_char[N].width; 932 width = f->per_char[N].width;
830 933
… …
833 } 936 }
834#endif 937#endif
835 938
836 width = 1; 939 width = 1;
837 940
838 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 941 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
839 { 942 {
840 if (cs != CS_UNICODE
841 && *t > 0x100
842 && FROM_UNICODE (cs, *t) == NOCHAR) 943 if (FROM_UNICODE (cs, *t) == NOCHAR)
843 continue; 944 continue;
844 945
845 // ignore characters we wouldn't use anyways 946 // ignore characters we wouldn't use anyways
846 bool careful; 947 bool careful;
847 if (!has_char (*t, &prop, careful)) 948 if (!has_char (*t, &prop, careful))
848 continue; 949 continue;
849 950
850 XChar2b ch = { *t >> 8, *t }; 951 // the casts are needed in C++11 (see 8.5.1)
952 XChar2b ch = { (unsigned char)(*t >> 8), (unsigned char)*t };
851 953
852 XCharStruct g; 954 XCharStruct g;
853 int dir_ret, asc_ret, des_ret; 955 int dir_ret, asc_ret, des_ret;
854 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g); 956 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
855 957
958 int wcw = WCWIDTH (*t);
856 int wcw = wcwidth (*t); if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 959 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
857 960
858 if (width < g.width) width = g.width; 961 if (width < g.width) width = g.width;
859 }
860
861 if (cs == CS_UNKNOWN)
862 { 962 }
863 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
864 963
964#if 0 // do it per-character
965 if (prop && width > prop->width)
966 {
865 clear (); 967 clear ();
866 return false; 968 return false;
867 } 969 }
868
869#if 0 // do it per-character
870 if (prop && width > prop->width)
871 {
872 clear ();
873 return false;
874 }
875#endif 970#endif
876 971
877 return true; 972 return true;
878} 973}
879 974
880void 975void
881rxvt_font_x11::clear () 976rxvt_font_x11::clear ()
882{ 977{
883 if (f) 978 if (f)
884 { 979 {
885 XFreeFont (DISPLAY, f); 980 XFreeFont (term->dpy, f);
886 f = 0; 981 f = 0;
887 } 982 }
888} 983}
889 984
890bool 985bool
891rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 986rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
892{ 987{
988 careful = false;
989
893 uint32_t ch = FROM_UNICODE (cs, unicode); 990 uint32_t ch = FROM_UNICODE (cs, unicode);
894 991
895 if (ch == NOCHAR) 992 if (ch == NOCHAR)
896 return false; 993 return false;
897 994
898 /* check wether the character exists in _this_ font. horrible. */ 995 /* check whether the character exists in _this_ font. horrible. */
899 XCharStruct *xcs; 996 XCharStruct *xcs;
900 997
901 if (encm) 998 if (encm)
902 { 999 {
903 unsigned char byte1 = ch >> 8; 1000 unsigned char byte1 = ch >> 8;
… …
933 return false; 1030 return false;
934 1031
935 if (!prop || prop->width == rxvt_fontprop::unset) 1032 if (!prop || prop->width == rxvt_fontprop::unset)
936 return true; 1033 return true;
937 1034
938 // check character against base font bounding box 1035 // check whether character overlaps previous/next character
939 int w = xcs->width; 1036 int w = xcs->rbearing - xcs->lbearing;
940 int wcw = wcwidth (unicode); 1037 int wcw = max (WCWIDTH (unicode), 1);
941 if (wcw > 0) w = (w + wcw - 1) / wcw;
942 1038
943 careful = w > prop->width; 1039 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
944 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1040
1041 if (careful && !OVERLAP_OK (w, wcw, prop))
945 return false; 1042 return false;
946 1043
947 return true; 1044 return true;
948} 1045}
949 1046
… …
955 // this looks like a mess /. 1052 // this looks like a mess /.
956 // and it is a mess /. 1053 // and it is a mess /.
957 // yet we are trying to be perfect /. 1054 // yet we are trying to be perfect /.
958 // but the result still isn't perfect /. 1055 // but the result still isn't perfect /.
959 1056
1057 dTermDisplay;
1058 dTermGC;
1059
960 bool slow = this->slow 1060 bool slow = this->slow
961 || width != r->TermWin.fwidth 1061 || width != term->fwidth
962 || height != r->TermWin.fheight; 1062 || height != term->fheight
1063 || ascent != f->ascent;
963 1064
964 int base = ascent; // sorry, incorrect: r->TermWin.fbase; 1065 int base = ascent; // sorry, incorrect: term->fbase;
965 1066
966 XGCValues v; 1067 XGCValues v;
967 v.foreground = r->pix_colors[fg]; 1068 v.foreground = term->pix_colors[fg];
968 v.font = f->fid; 1069 v.font = f->fid;
969 1070
970 if (enc2b) 1071 if (enc2b)
971 { 1072 {
972 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 1073 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
973 1074
974 if (bg == Color_bg && !slow) 1075 if (bg == Color_bg && !slow)
975 { 1076 {
976 v.background = r->pix_colors[bg]; 1077 v.background = term->pix_colors[bg];
977 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1078 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
978 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); 1079 XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
979 } 1080 }
980 else 1081 else
981 { 1082 {
982 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1083 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
983 1084
984 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1085 XChangeGC (disp, gc, GCForeground | GCFont, &v);
985 1086
986 if (slow) 1087 if (slow)
987 { 1088 {
988 do 1089 do
989 { 1090 {
990 if (xc->byte1 || xc->byte2) 1091 if (xc->byte1 || xc->byte2)
991 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); 1092 XDrawString16 (disp, d, gc, x, y + base, xc, 1);
992 1093
993 x += r->TermWin.fwidth; 1094 x += term->fwidth;
994 xc++; len--; 1095 xc++; len--;
995 } 1096 }
996 while (len); 1097 while (len);
997 } 1098 }
998 else 1099 else
999 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len); 1100 XDrawString16 (disp, d, gc, x, y + base, xc, len);
1000 } 1101 }
1001 } 1102 }
1002 else 1103 else
1003 { 1104 {
1004 const char *xc = enc_char (text, len, cs, slow); 1105 const char *xc = enc_char (text, len, cs, slow);
1005 1106
1006 if (bg == Color_bg && !slow) 1107 if (bg == Color_bg && !slow)
1007 { 1108 {
1008 v.background = r->pix_colors[bg]; 1109 v.background = term->pix_colors[bg];
1009 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1110 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
1010 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); 1111 XDrawImageString (disp, d, gc, x, y + base, xc, len);
1011 } 1112 }
1012 else 1113 else
1013 { 1114 {
1014 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1115 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
1015 1116
1016 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1117 XChangeGC (disp, gc, GCForeground | GCFont, &v);
1017 1118
1018 if (slow) 1119 if (slow)
1019 { 1120 {
1020 do 1121 do
1021 { 1122 {
1022 if (*xc) 1123 if (*xc)
1023 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); 1124 XDrawString (disp, d, gc, x, y + base, xc, 1);
1024 1125
1025 x += r->TermWin.fwidth; 1126 x += term->fwidth;
1026 xc++; len--; 1127 xc++; len--;
1027 } 1128 }
1028 while (len); 1129 while (len);
1029 } 1130 }
1030 else 1131 else
1031 XDrawString (d.display->display, d, TGC, x, y + base, xc, len); 1132 XDrawString (disp, d, gc, x, y + base, xc, len);
1032 } 1133 }
1033 } 1134 }
1034} 1135}
1035 1136
1036///////////////////////////////////////////////////////////////////////////// 1137/////////////////////////////////////////////////////////////////////////////
1037 1138
1038#if XFT 1139#if XFT
1039 1140
1040struct rxvt_font_xft : rxvt_font { 1141struct rxvt_font_xft : rxvt_font
1142{
1143#if XFT_CHAR_CACHE
1144 // we cache the qascii range xoffsets in the name of speed,
1145 // expecting terminals to deal mostly with these characters
1146 // we also assume the xoff always fits into uint8_t,
1147 // which is questionable, but let's see...
1148 // also, it is uncomfortably big, due to the uints.
1149 enum { char_cache_min = 0x20, char_cache_max = 0x7e };
1150 uint8_t xoff_cache [char_cache_max - char_cache_min + 1];
1151 FT_UInt glyph_cache [char_cache_max - char_cache_min + 1];
1152#endif
1153
1041 rxvt_font_xft () { f = 0; } 1154 rxvt_font_xft ()
1155 {
1156 f = 0;
1157 }
1042 1158
1043 void clear (); 1159 void clear ();
1044 1160
1045 rxvt_fontprop properties (); 1161 rxvt_fontprop properties ();
1046 1162
1047 bool load (const rxvt_fontprop &prop); 1163 bool load (const rxvt_fontprop &prop, bool force_prop);
1048 1164
1049 void draw (rxvt_drawable &d, int x, int y, 1165 void draw (rxvt_drawable &d, int x, int y,
1050 const text_t *text, int len, 1166 const text_t *text, int len,
1051 int fg, int bg); 1167 int fg, int bg);
1052 1168
1053 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull); 1169 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
1054 1170
1055protected: 1171protected:
1056 XftFont *f; 1172 XftFont *f;
1057}; 1173};
1058 1174
1059void 1175void
1060rxvt_font_xft::clear () 1176rxvt_font_xft::clear ()
1061{ 1177{
1062 if (f) 1178 if (f)
1063 { 1179 {
1064 XftFontClose (DISPLAY, f); 1180 XftFontClose (term->dpy, f);
1065 f = 0; 1181 f = 0;
1066 } 1182 }
1067} 1183}
1068 1184
1069rxvt_fontprop 1185rxvt_fontprop
… …
1073 1189
1074 FT_Face face = XftLockFace (f); 1190 FT_Face face = XftLockFace (f);
1075 1191
1076 p.width = width; 1192 p.width = width;
1077 p.height = height; 1193 p.height = height;
1194 p.ascent = ascent;
1078 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD 1195 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
1079 ? rxvt_fontprop::bold : rxvt_fontprop::medium; 1196 ? rxvt_fontprop::bold : rxvt_fontprop::medium;
1080 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC 1197 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
1081 ? rxvt_fontprop::italic : rxvt_fontprop::roman; 1198 ? rxvt_fontprop::italic : rxvt_fontprop::roman;
1082 1199
… …
1084 1201
1085 return p; 1202 return p;
1086} 1203}
1087 1204
1088bool 1205bool
1089rxvt_font_xft::load (const rxvt_fontprop &prop) 1206rxvt_font_xft::load (const rxvt_fontprop &prop, bool force_prop)
1090{ 1207{
1091 Display *disp = DISPLAY; 1208 dTermDisplay;
1092 1209
1093 clear (); 1210 clear ();
1094 1211
1095 FcPattern *p = FcNameParse ((FcChar8 *) name); 1212 FcPattern *p = FcNameParse ((FcChar8 *) name);
1096 1213
… …
1103 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch 1220 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1104 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch)) 1221 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
1105 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1222 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1106 1223
1107 if (prop.weight != rxvt_fontprop::unset 1224 if (prop.weight != rxvt_fontprop::unset
1108 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1225 && (force_prop || FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch))
1109 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 1226 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1110 1227
1111 if (prop.slant != rxvt_fontprop::unset 1228 if (prop.slant != rxvt_fontprop::unset
1112 && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 1229 && (force_prop || FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch))
1113 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1230 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1114 1231
1115#if 0 // clipping unfortunately destroys our precious double-width-characters 1232#if 0 // clipping unfortunately destroys our precious double-width-characters
1116 // clip width, we can't do better, or can we? 1233 // clip width, we can't do better, or can we?
1117 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1234 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
1118 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width); 1235 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
1119#endif 1236#endif
1120 1237
1121 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch) 1238 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1122 FcPatternAddBool (p, FC_MINSPACE, 1); 1239 FcPatternAddBool (p, FC_MINSPACE, 1);
1123 1240
1124 // store generated name so iso14755 view gives better results 1241 // store generated name so iso14755 view gives better results
1125 set_name ((char *)FcNameUnparse (p)); 1242 set_name ((char *)FcNameUnparse (p));
1126 1243
1127 XftResult result; 1244 XftResult result;
1128 FcPattern *match = XftFontMatch (disp, r->display->screen, p, &result); 1245 FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
1129 1246
1130 FcPatternDestroy (p); 1247 FcPatternDestroy (p);
1131 1248
1132 if (!match) 1249 if (!match)
1133 return false; 1250 return false;
… …
1135 int ftheight = 0; 1252 int ftheight = 0;
1136 bool success = true; 1253 bool success = true;
1137 1254
1138 for (;;) 1255 for (;;)
1139 { 1256 {
1257 p = FcPatternDuplicate (match);
1140 f = XftFontOpenPattern (disp, FcPatternDuplicate (match)); 1258 f = XftFontOpenPattern (disp, p);
1141 1259
1142 if (!f) 1260 if (!f)
1143 { 1261 {
1262 FcPatternDestroy (p);
1144 success = false; 1263 success = false;
1145 break; 1264 break;
1146 } 1265 }
1147 1266
1148 FT_Face face = XftLockFace (f); 1267 FT_Face face = XftLockFace (f);
1268
1269 // fuck me plenty: XftLockFace can actually return 0. try not to crash.
1270 // we also assume blindly that if the first lock succeeds, then subsequent
1271 // locks will also succeed.
1272 if (!face)
1273 {
1274 XftFontClose (disp, f);
1275 success = false;
1276 break;
1277 }
1149 1278
1150 ascent = (face->size->metrics.ascender + 63) >> 6; 1279 ascent = (face->size->metrics.ascender + 63) >> 6;
1151 descent = (-face->size->metrics.descender + 63) >> 6; 1280 descent = (-face->size->metrics.descender + 63) >> 6;
1152 height = max (ascent + descent, (face->size->metrics.height + 63) >> 6); 1281 height = max (ascent + descent, (face->size->metrics.height + 63) >> 6);
1153 width = 0; 1282 width = 0;
… …
1156 1285
1157 XftUnlockFace (f); 1286 XftUnlockFace (f);
1158 1287
1159 int glheight = height; 1288 int glheight = height;
1160 1289
1161 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; ) 1290 for (uint16_t *t = extent_test_chars; t < extent_test_chars + ecb_array_length (extent_test_chars); t++)
1162 { 1291 {
1163 FcChar16 ch = *t; 1292 FcChar16 ch = *t;
1164 1293
1165 if (cs != CS_UNICODE 1294 if (cs != CS_UNICODE
1166 && ch > 0x100 1295 && ch > 0x100
… …
1175 XGlyphInfo g; 1304 XGlyphInfo g;
1176 XftTextExtents16 (disp, f, &ch, 1, &g); 1305 XftTextExtents16 (disp, f, &ch, 1, &g);
1177 1306
1178 g.width -= g.x; 1307 g.width -= g.x;
1179 1308
1180 int wcw = wcwidth (ch); 1309 int wcw = WCWIDTH (ch);
1181 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw; 1310 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1182 1311
1183 if (width < g.width ) width = g.width; 1312 if (width < g.width ) width = g.width;
1184 if (height < g.height ) height = g.height; 1313 if (height < g.height ) height = g.height;
1185 if (glheight < g.height - g.y) glheight = g.height - g.y; 1314 if (glheight < g.height - g.y) glheight = g.height - g.y;
1186 } 1315 }
1187 1316
1188 if (!width) 1317 if (!width)
1189 { 1318 {
1190 rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name); 1319 rxvt_warn ("unable to calculate font width for '%s', using max_advance_width.\n", name);
1191 1320 width = f->max_advance_width;
1192 XftFontClose (disp, f);
1193 f = 0;
1194
1195 success = false;
1196 break; 1321 break;
1197 } 1322 }
1198 1323
1199 if (prop.height == rxvt_fontprop::unset 1324 if (prop.height == rxvt_fontprop::unset
1200 || (height <= prop.height && glheight <= prop.height) 1325 || (height <= prop.height && glheight <= prop.height)
… …
1227 clear (); 1352 clear ();
1228 success = false; 1353 success = false;
1229 } 1354 }
1230#endif 1355#endif
1231 1356
1357#if XFT_CHAR_CACHE
1358 // populate char cache
1359 for (FcChar16 ch = char_cache_min; ch <= char_cache_max; ++ch)
1360 {
1361 FT_UInt glyph = XftCharIndex (disp, f, ch);
1362 glyph_cache [ch - char_cache_min] = glyph;
1363
1364 XGlyphInfo g;
1365 XftGlyphExtents (disp, f, &glyph, 1, &g);
1366 xoff_cache [ch - char_cache_min] = g.xOff;
1367 }
1368#endif
1369
1232 return success; 1370 return success;
1233} 1371}
1234 1372
1235bool 1373bool
1236rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) 1374rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1237{ 1375{
1238 careful = false; 1376 careful = false;
1239 1377
1240 if (!XftCharExists (DISPLAY, f, unicode)) 1378 // handle non-bmp chars when text_t is 16 bit
1379#if ENABLE_COMBINING && !UNICODE_3
1380 if (ecb_expect_false (IS_COMPOSE (unicode)))
1381 if (compose_char *cc = rxvt_composite [unicode])
1382 if (cc->c2 == NOCHAR)
1383 unicode = cc->c1;
1384 else
1385 return false;
1386 else
1387 return false;
1388#endif
1389
1390 FcChar32 chr = unicode;
1391
1392 if (!XftCharExists (term->dpy, f, chr))
1241 return false; 1393 return false;
1242 1394
1243 if (!prop || prop->width == rxvt_fontprop::unset) 1395 if (!prop || prop->width == rxvt_fontprop::unset)
1244 return true; 1396 return true;
1245 1397
1246 // check character against base font bounding box 1398 int wcw = max (WCWIDTH (chr), 1);
1247 FcChar32 ch = unicode; 1399
1248 XGlyphInfo g; 1400 XGlyphInfo g;
1249 XftTextExtents32 (DISPLAY, f, &ch, 1, &g); 1401 XftTextExtents32 (term->dpy, f, &chr, 1, &g);
1402
1403 int cwidth = prop->width * wcw;
1404
1405 // use same adjustments as in ->draw, see there
1406 g.x += g.xOff ? cwidth - g.xOff >> 1 : 0;
1407 g.x += g.xOff ? 0 : cwidth;
1250 1408
1251 int w = g.width - g.x; 1409 int w = g.width - g.x;
1252 int wcw = wcwidth (unicode);
1253 if (wcw > 0) w = (w + wcw - 1) / wcw;
1254 1410
1255 careful = w > prop->width; 1411 careful = g.x > 0 || w > cwidth;
1256 if (careful && w > prop->width * MAX_OVERLAP >> 2) 1412
1413 if (careful && !OVERLAP_OK (w, wcw, prop))
1414 return false;
1415
1416 // this weeds out _totally_ broken fonts, or glyphs
1417 if (!OVERLAP_OK (g.xOff, wcw, prop))
1257 return false; 1418 return false;
1258 1419
1259 return true; 1420 return true;
1260} 1421}
1261 1422
1262void 1423void
1263rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1424rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
1264 const text_t *text, int len, 1425 const text_t *text, int len,
1265 int fg, int bg) 1426 int fg, int bg)
1266{ 1427{
1267 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1428 XftGlyphSpec *enc = rxvt_temp_buf<XftGlyphSpec> (len);
1429 XftGlyphSpec *ep = enc;
1268 1430
1269 int base = ascent; // should be fbase, but that is incorrect 1431 dTermDisplay;
1432 dTermGC;
1270 1433
1271 XGlyphInfo extents; 1434 int w = term->fwidth * len;
1272 FcChar32 *enc = (FcChar32 *) get_enc_buf (len * sizeof (FcChar32)); 1435 int h = term->fheight;
1273 FcChar32 *ep = enc; 1436
1274 int ewidth = 0; 1437 bool buffered = bg >= Color_transparent
1438 && term->option (Opt_buffered);
1439
1440 // cut trailing spaces
1441 while (len && text [len - 1] == ' ')
1442 len--;
1443
1444 int x_ = buffered ? 0 : x;
1445 int y_ = buffered ? 0 : y;
1275 1446
1276 while (len) 1447 while (len)
1277 { 1448 {
1278 int cwidth = r->TermWin.fwidth; 1449 int cwidth = term->fwidth;
1279 FcChar32 fc = *text++; len--; 1450 FcChar32 chr = *text++; len--;
1280 1451
1281 while (len && *text == NOCHAR) 1452 while (len && *text == NOCHAR)
1282 text++, len--, cwidth += r->TermWin.fwidth; 1453 text++, len--, cwidth += term->fwidth;
1454
1455 if (chr != ' ') // skip spaces
1283 1456 {
1284 if (fc == ' ' && ep == enc) // skip leading spaces 1457 // handle non-bmp chars when text_t is 16 bit
1285 x += cwidth; 1458 #if ENABLE_COMBINING && !UNICODE_3
1286 else 1459 if (ecb_expect_false (IS_COMPOSE (chr)))
1287 { 1460 if (compose_char *cc = rxvt_composite [chr])
1288 FT_UInt gl = XftCharIndex (d.display->display, f, fc); 1461 if (cc->c2 == NOCHAR)
1289 XftGlyphExtents (d.display->display, f, &gl, 1, &extents); 1462 chr = cc->c1;
1463 #endif
1290 1464
1291 if (extents.xOff != cwidth) 1465 #if 0
1466 FT_UInt glyphs [decltype (exp)::max_size];
1467
1468 for (int i = 0; i < nchrs; ++i)
1469 glyphs [i] = XftCharIndex (disp, f, chrs [i]);
1470
1471 for (int i = 0; i < nchrs; ++i)
1292 { 1472 {
1293 if (ewidth) 1473 XGlyphInfo ep;
1294 { 1474 XftGlyphExtents (disp, f, glyphs+i, 1, &ep);
1295 XftDrawGlyphs (d, &r->pix_colors[fg].c, f, 1475 printf ("gs %4x g %4x + %3d,%3d o %3d,%3d wh %3d,%3d\n", chrs[i],glyphs[i],ep.x,ep.y,ep.xOff,ep.yOff,ep.width,ep.height);
1296 x, y + base, enc, ep - enc);
1297 x += ewidth;
1298
1299 ep = enc;
1300 ewidth = 0;
1301 } 1476 }
1477 #endif
1302 1478
1303 if (extents.xOff > cwidth) 1479 FT_UInt glyph;
1304 extents.xOff = cwidth; 1480 int xOff;
1305 1481
1306 XftDrawGlyphs (d, &r->pix_colors[fg].c, f, 1482 #if XFT_CHAR_CACHE
1307 x + (cwidth - extents.xOff >> 1), 1483 if (ecb_expect_true (IN_RANGE_INC (chr, char_cache_min, char_cache_max)))
1308 y + base, &gl, 1); 1484 {
1309 x += cwidth; 1485 glyph = glyph_cache [chr - char_cache_min];
1486 xOff = xoff_cache [chr - char_cache_min];
1310 } 1487 }
1311 else 1488 else
1489 #endif
1312 { 1490 {
1313 *ep++ = gl; 1491 glyph = XftCharIndex (disp, f, chr);
1314 ewidth += cwidth; 1492 XGlyphInfo extents;
1493 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1494 xOff = extents.xOff;
1315 } 1495 }
1496
1497 ep->glyph = glyph;
1498 ep->x = x_;
1499 ep->y = y_ + ascent;
1500
1501 // the xft font cell might differ from the terminal font cell,
1502 // in which case we use the average between the two.
1503 ep->x += xOff ? cwidth - xOff >> 1 : 0;
1504
1505 // xft/freetype represent combining characters as characters with zero
1506 // width rendered over the previous character with some fonts, while
1507 // in other fonts, they are considered normal characters, while yet
1508 // in other fonts, they are shifted all over the place.
1509 // we handle the first two cases by keying off on xOff being 0
1510 // for zero-width chars. normally, we would add extents.xOff
1511 // of the base character here, but we don't have that, so we use cwidth.
1512 ep->x += xOff ? 0 : cwidth;
1513
1514 ++ep;
1316 } 1515 }
1516
1517 x_ += cwidth;
1518 }
1519
1520 if (buffered)
1317 } 1521 {
1318
1319 if (ep != enc) 1522 if (ep != enc)
1523 {
1524 rxvt_drawable &d2 = d.screen->scratch_drawable (w, h);
1525
1526#ifdef HAVE_IMG
1527 Picture dst = 0; // the only assignment is done conditionally in the following if condition
1528
1529 if (term->bg_img
1530 && (bg == Color_transparent || bg == Color_bg
1531 || (bg >= 0 && !term->pix_colors[bg].is_opaque () && ((dst = XftDrawPicture (d2))))))
1532 {
1533 int src_x = x, src_y = y;
1534
1535 if (term->bg_flags & rxvt_term::BG_IS_TRANSPARENT)
1536 {
1537 src_x += term->window_vt_x;
1538 src_y += term->window_vt_y;
1539 }
1540
1541 if (term->bg_img->w >= src_x + w
1542 && term->bg_img->h >= src_y + h)
1543 {
1544 XCopyArea (disp, term->bg_img->pm, d2, gc,
1545 src_x, src_y, w, h, 0, 0);
1546 }
1547 else
1548 {
1549 XGCValues gcv;
1550
1551 gcv.fill_style = FillTiled;
1552 gcv.tile = term->bg_img->pm;
1553 gcv.ts_x_origin = -src_x;
1554 gcv.ts_y_origin = -src_y;
1555
1556 XChangeGC (disp, gc,
1557 GCTile | GCTileStipXOrigin | GCTileStipYOrigin | GCFillStyle,
1558 &gcv);
1559
1560 XFillRectangle (disp, d2, gc, 0, 0, w, h);
1561
1562 gcv.fill_style = FillSolid;
1563 XChangeGC (disp, gc, GCFillStyle, &gcv);
1564 }
1565
1566 if (dst)
1567 {
1568 Picture solid_color_pict = XftDrawSrcPicture (d2, &term->pix_colors[bg].c);
1569
1570 // dst can only be set when bg >= 0
1571 XRenderComposite (disp, PictOpOver, solid_color_pict, None, dst, 0, 0, 0, 0, 0, 0, w, h);
1572 }
1573 }
1574 else
1575#endif
1576 XftDrawRect (d2, &term->pix_colors[bg >= 0 ? bg : Color_bg].c, 0, 0, w, h);
1577
1578 XftDrawGlyphSpec (d2, &term->pix_colors[fg].c, f, enc, ep - enc);
1579 XCopyArea (disp, d2, d, gc, 0, 0, w, h, x, y);
1580 }
1581 else
1582 clear_rect (d, x, y, w, h, bg);
1583 }
1584 else
1585 {
1586 clear_rect (d, x, y, w, h, bg);
1320 XftDrawGlyphs (d, &r->pix_colors[fg].c, f, 1587 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1321 x, y + base, enc, ep - enc); 1588 }
1322} 1589}
1590
1323#endif 1591#endif
1324 1592
1325///////////////////////////////////////////////////////////////////////////// 1593/////////////////////////////////////////////////////////////////////////////
1326 1594
1327rxvt_fontset::rxvt_fontset (rxvt_t r) 1595rxvt_fontset::rxvt_fontset (rxvt_term *term)
1328: fontdesc (0), r (r) 1596: fontdesc (0), term (term)
1329{ 1597{
1330 clear (); 1598 clear ();
1331} 1599}
1332 1600
1333rxvt_fontset::~rxvt_fontset () 1601rxvt_fontset::~rxvt_fontset ()
… …
1336} 1604}
1337 1605
1338void 1606void
1339rxvt_fontset::clear () 1607rxvt_fontset::clear ()
1340{ 1608{
1341 prop.width = prop.height = prop.weight = prop.slant 1609 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1342 = rxvt_fontprop::unset; 1610 = rxvt_fontprop::unset;
1611 force_prop = false;
1343 1612
1344 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1613 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1345 FONT_UNREF (*i); 1614 (*i)->unref ();
1346 1615
1347 for (pagemap **p = fmap.begin (); p != fmap.end (); p++) 1616 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1348 delete *p; 1617 delete *p;
1349 1618
1350 free (fontdesc); fontdesc = 0; 1619 free (fontdesc); fontdesc = 0;
… …
1352 fonts.clear (); 1621 fonts.clear ();
1353 1622
1354 fallback = fallback_fonts; 1623 fallback = fallback_fonts;
1355} 1624}
1356 1625
1626void
1627rxvt_fontset::prepare_font (rxvt_font *font, codeset cs)
1628{
1629 font->set_term (term);
1630
1631 font->cs = cs;
1632 font->loaded = false;
1633}
1634
1357rxvt_font * 1635rxvt_font *
1358rxvt_fontset::new_font (const char *name, codeset cs) 1636rxvt_fontset::new_font (const char *name, codeset cs)
1359{ 1637{
1360 rxvt_font *f; 1638 rxvt_font *f;
1361 1639
1362 if (!name || !*name) 1640 if (!name || !*name)
1363 { 1641 {
1364 name = ""; 1642 name = "";
1365 f = new rxvt_font_default (this); 1643 f = new rxvt_font_default (this);
1366 } 1644 }
… …
1377 f = new rxvt_font_x11; 1655 f = new rxvt_font_x11;
1378 } 1656 }
1379 else 1657 else
1380 f = new rxvt_font_x11; 1658 f = new rxvt_font_x11;
1381 1659
1382 f->set_term (r);
1383 f->set_name (strdup (name)); 1660 f->set_name (strdup (name));
1384 1661 prepare_font (f, cs);
1385 f->cs = cs;
1386 f->loaded = false;
1387 1662
1388 return f; 1663 return f;
1389} 1664}
1390 1665
1391///////////////////////////////////////////////////////////////////////////// 1666/////////////////////////////////////////////////////////////////////////////
1667
1668void
1669rxvt_fontset::push_font (rxvt_font *font)
1670{
1671 // the fontCount index is reserved for the overflow font, it is only
1672 // necessary when we get fontCount or more fonts, as they cannot be
1673 // represented in the rendition.
1674 if (fonts.size () == fontCount)
1675 {
1676 rxvt_font *f = new rxvt_font_overflow (this);
1677
1678 prepare_font (f, CS_UNICODE);
1679 fonts.push_back (f);
1680 }
1681
1682 fonts.push_back (font);
1683}
1392 1684
1393void 1685void
1394rxvt_fontset::add_fonts (const char *desc) 1686rxvt_fontset::add_fonts (const char *desc)
1395{ 1687{
1396 if (desc) 1688 if (desc)
… …
1425 cs = codeset_from_name (spec + sizeof ("codeset=") - 1); 1717 cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
1426 else 1718 else
1427 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec); 1719 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1428 1720
1429 desc++; 1721 desc++;
1430 while (*desc <= ' ') desc++; 1722 while (*desc <= ' ' && *desc) desc++;
1431 } 1723 }
1432 1724
1433 end = strchr (desc, ','); 1725 end = strchr (desc, ',');
1434 if (!end) 1726 if (!end)
1435 end = desc + strlen (desc); 1727 end = desc + strlen (desc);
1436 1728
1437 if (end - desc < 511) 1729 if (end - desc < 511)
1438 { 1730 {
1439 strncpy (buf, desc, end - desc); 1731 memcpy (buf, desc, end - desc);
1440 buf[end - desc] = 0; 1732 buf[end - desc] = 0;
1441 1733
1442 fonts.push_back (new_font (buf, cs)); 1734 push_font (new_font (buf, cs));
1443 } 1735 }
1444 else 1736 else
1445 rxvt_warn ("fontset element too long (>511 bytes), ignored."); 1737 rxvt_warn ("fontset element too long (>511 bytes), ignored.\n");
1446 1738
1447 desc = end + 1; 1739 desc = end + 1;
1448 } 1740 }
1449 while (*end); 1741 while (*end);
1450 } 1742 }
… …
1459 if (fonts[i]->loaded) 1751 if (fonts[i]->loaded)
1460 return true; 1752 return true;
1461 1753
1462 fonts[i]->loaded = true; 1754 fonts[i]->loaded = true;
1463 1755
1464 if (!fonts[i]->load (prop)) 1756 if (!fonts[i]->load (prop, force_prop))
1465 { 1757 {
1466 fonts[i]->cs = CS_UNKNOWN; 1758 fonts[i]->cs = CS_UNKNOWN;
1467 return false; 1759 return false;
1468 } 1760 }
1469 1761
… …
1475{ 1767{
1476 clear (); 1768 clear ();
1477 1769
1478 fontdesc = strdup (desc); 1770 fontdesc = strdup (desc);
1479 1771
1480 fonts.push_back (new_font (0, CS_UNICODE)); 1772 push_font (new_font (0, CS_UNICODE));
1481 realize_font (0); 1773 realize_font (0);
1482 1774
1483 add_fonts (desc); 1775 add_fonts (desc);
1484 1776
1485 return true; 1777 return true;
… …
1494 1786
1495 return -1; 1787 return -1;
1496} 1788}
1497 1789
1498int 1790int
1499rxvt_fontset::find_font (unicode_t unicode) 1791rxvt_fontset::find_font_idx (unicode_t unicode)
1500{ 1792{
1501 if (unicode >= 1<<20) 1793 // this limits fmap size. it has to accommodate COMPOSE_HI when UNICODE_3
1794 if (unicode > 0x1fffff)
1502 return 0; 1795 return 0;
1503 1796
1504 unicode_t hi = unicode >> 8; 1797 unicode_t hi = unicode >> 8;
1505 1798
1506 if (hi < fmap.size () 1799 if (hi < fmap.size ())
1507 && fmap[hi] 1800 if (pagemap *pm = fmap[hi])
1508 && (*fmap[hi])[unicode & 0xff] != 0xff) 1801 if ((*pm)[unicode & 0xff] != 0xff)
1509 return (*fmap[hi])[unicode & 0xff]; 1802 return (*pm)[unicode & 0xff];
1510 1803
1511 unsigned int i; 1804 unsigned int i;
1512 1805
1513 for (i = 0; i < fonts.size (); i++) 1806 for (i = 0; i < fonts.size (); i++)
1514 { 1807 {
… …
1519 if (FROM_UNICODE (f->cs, unicode) == NOCHAR) 1812 if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1520 goto next_font; 1813 goto next_font;
1521 1814
1522 if (!realize_font (i)) 1815 if (!realize_font (i))
1523 goto next_font; 1816 goto next_font;
1817
1818 if (prop.ascent != rxvt_fontprop::unset)
1819 max_it (f->ascent, prop.ascent);
1524 } 1820 }
1525 1821
1526 if (f->cs == CS_UNKNOWN) 1822 if (f->cs == CS_UNKNOWN)
1527 goto next_font; 1823 goto next_font;
1528 1824
1529 bool careful; 1825 bool careful;
1530 if (f->has_char (unicode, &prop, careful)) 1826 if (f->has_char (unicode, &prop, careful))
1531 { 1827 {
1532 if (careful) 1828 i = (i << 1) | careful;
1533 i |= 128;
1534 1829
1535 goto found; 1830 goto found;
1536 } 1831 }
1537 1832
1538 next_font: 1833 next_font:
1539 if (i == fonts.size () - 1) 1834 if (i == fonts.size () - 1)
1540 { 1835 {
1836 // compose characters are handled by the default font, unless another font takes over
1837 // we do not go via the fallback list for speed reasons.
1838 if (IS_COMPOSE (unicode))
1839 return 0;
1840
1541 if (fallback->name) 1841 if (fallback->name)
1542 { 1842 {
1543 // search through the fallback list 1843 // search through the fallback list
1544 fonts.push_back (new_font (fallback->name, fallback->cs)); 1844 push_font (new_font (fallback->name, fallback->cs));
1545 fallback++; 1845 fallback++;
1546 } 1846 }
1547 else 1847 else
1548 { 1848 {
1549 // try to find a new font. 1849 // try to find a new font.
… …
1551 // way to configure this and xft is easier to hack in, 1851 // way to configure this and xft is easier to hack in,
1552 // while x11 has more framework in place already. 1852 // while x11 has more framework in place already.
1553 // TODO: this is a real resource hog, xft takes ages(?) 1853 // TODO: this is a real resource hog, xft takes ages(?)
1554#if XFT && USE_SLOW_LOOKUP 1854#if XFT && USE_SLOW_LOOKUP
1555 // grab the first xft font that seems suitable 1855 // grab the first xft font that seems suitable
1856 // TOOD: should go first for cellchar (spacing 110) then mono, then else
1556 FcPattern *p = FcPatternCreate (); 1857 FcPattern *p = FcPatternCreate ();
1557 1858
1558 FcCharSet *s = FcCharSetCreate (); 1859 FcCharSet *s = FcCharSetCreate ();
1559 FcCharSetAddChar (s, unicode); 1860 FcCharSetAddChar (s, unicode);
1560 FcPatternAddCharSet (p, FC_CHARSET, s); 1861 FcPatternAddCharSet (p, FC_CHARSET, s);
… …
1567 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1868 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1568 FcPatternAddBool (p, FC_MINSPACE, 1); 1869 FcPatternAddBool (p, FC_MINSPACE, 1);
1569 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1870 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1570 1871
1571 XftResult result; 1872 XftResult result;
1572 FcPattern *match = XftFontMatch (DISPLAY, r->display->screen, p, &result); 1873 FcPattern *match = XftFontMatch (term->dpy, term->display->screen, p, &result);
1573 1874
1574 FcPatternDestroy (p); 1875 FcPatternDestroy (p);
1575 1876
1576 if (match) 1877 if (match)
1577 { 1878 {
… …
1580 FcPatternDestroy (match); 1881 FcPatternDestroy (match);
1581 1882
1582 if (find_font (font) < 0) 1883 if (find_font (font) < 0)
1583 { 1884 {
1584 char fontname[4096]; 1885 char fontname[4096];
1585 sprintf (fontname, "xft:%-.4090s", font); 1886 snprintf (fontname, sizeof (fontname), "xft:%s", font);
1586 1887
1587 fonts.push_back (new_font (fontname, CS_UNICODE)); 1888 push_font (new_font (fontname, CS_UNICODE));
1588 } 1889 }
1589 1890
1590 free (font); 1891 free (font);
1591 } 1892 }
1592#endif 1893#endif
… …
1604 while (hi >= fmap.size ()) 1905 while (hi >= fmap.size ())
1605 fmap.push_back (0); 1906 fmap.push_back (0);
1606 1907
1607 if (!fmap[hi]) 1908 if (!fmap[hi])
1608 { 1909 {
1609 fmap[hi] = (pagemap *)new pagemap; 1910 fmap[hi] = new pagemap;
1610 memset (fmap[hi], 0xff, sizeof (pagemap)); 1911 memset (fmap[hi], 0xff, sizeof (pagemap));
1611 } 1912 }
1612 1913
1613 (*fmap[hi])[unicode & 0xff] = i; 1914 (*fmap[hi])[unicode & 0xff] = i;
1614 } 1915 }
1615 1916
1616 return i; 1917 return i;
1617} 1918}
1618 1919
1619
1620

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