ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/rxvt-unicode/src/rxvtfont.C
(Generate patch)

Comparing rxvt-unicode/src/rxvtfont.C (file contents):
Revision 1.6 by root, Tue Aug 17 01:58:17 2004 UTC vs.
Revision 1.91 by root, Mon Jan 30 04:27:17 2006 UTC

1/*--------------------------------*-C-*---------------------------------* 1/*--------------------------------*-C-*---------------------------------*
2 * File: defaultfont.C 2 * File: rxvtfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003-2004 Marc Lehmann <pcg@goof.com> 4 * Copyright (c) 2003-2006 Marc Lehmann <pcg@goof.com>
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 2 of the License, or
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details. 15 * GNU General Public License for more details.
16 * 16 *
17 * You should have received a copy of the GNU General Public License 17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software 18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 *---------------------------------------------------------------------*/ 20 *---------------------------------------------------------------------*/
21 21
22#include "../config.h" 22#include "../config.h"
23#include "rxvt.h" 23#include "rxvt.h"
24#include "rxvtlib.h"
25#include "rxvtutil.h"
24#include "rxvtfont.h" 26#include "rxvtfont.h"
25 27
26#include <cstdlib> 28#include <cstdlib>
27 29
28#define DISPLAY r->display->display 30#include <inttypes.h>
29#define TGC r->TermWin.gc 31
32#define MAX_OVERLAP_ROMAN (8 + 2) // max. character width in 8ths of the base width
33#define MAX_OVERLAP_ITALIC (8 + 3) // max. overlap for italic fonts
34
35#define OVERLAP_OK(w,wcw,prop) ((w) <= ( \
36 (prop)->slant >= rxvt_fontprop::italic \
37 ? ((prop)->width * (wcw) * MAX_OVERLAP_ITALIC + 7) >> 3 \
38 : ((prop)->width * (wcw) * MAX_OVERLAP_ROMAN + 7) >> 3 \
39 ))
30 40
31const struct rxvt_fallback_font { 41const struct rxvt_fallback_font {
32 codeset cs; 42 codeset cs;
33 const char *name; 43 const char *name;
34} fallback_fonts[] = { 44} fallback_fonts[] = {
52 { CS_ISO8859_10, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-10" }, 62 { CS_ISO8859_10, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-10" },
53 { CS_ISO8859_11, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-11" }, 63 { CS_ISO8859_11, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-11" },
54 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" }, 64 { CS_ISO8859_13, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-13" },
55 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" }, 65 { CS_ISO8859_14, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-14" },
56 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" }, 66 { CS_ISO8859_16, "-*-*-*-r-*--*-*-*-*-c-*-iso8859-16" },
67
68# if XFT
69 { CS_KOI8_U, "xft::lang=ru" },
70
71 { CS_ISO8859_5, "xft::lang=ru" },
72 { CS_ISO8859_6, "xft::lang=ar" },
73 { CS_ISO8859_7, "xft::lang=el" },
74 { CS_ISO8859_8, "xft::lang=he" },
75 { CS_ISO8859_9, "xft::lang=tr" },
76 { CS_ISO8859_10, "xft::lang=se" },
77 { CS_ISO8859_11, "xft::lang=th" },
78# endif
57#endif 79#endif
58 80
59 // japanese 81 // japanese
60#if ENCODING_JP || ENCODING_JP_EXT 82#if ENCODING_JP || ENCODING_JP_EXT
61# if XFT 83# if XFT
62 // prefer xft for complex scripts 84 // prefer xft for complex scripts
63 { CS_UNICODE, "xft:Kochi Gothic:antialias=false" }, 85 { CS_JIS0208_1990_0, "xft:Kochi Gothic:antialias=false" },
86 { CS_JIS0208_1990_0, "xft:Sazanami Mincho:antialias=false" },
87 { CS_JIS0208_1990_0, "xft:Mincho:antialias=false" },
88 { CS_JIS0208_1990_0, "xft::lang=ja:antialias=false" },
64# endif 89# endif
65 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 90 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
66 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 91 { CS_JIS0208_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
67 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 92 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
68 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 93 { CS_JIS0201_1976_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
69 { CS_JIS0208_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 94 { CS_JIS0208_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
70 { CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 95 { CS_JIS0212_1990_0, "-*-*-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
71#endif 96#endif
72 97
73#if ENCODING_CN || ENCODING_CN_EXT 98#if ENCODING_ZH || ENCODING_ZH_EXT
74# if XFT 99# if XFT
100 { CS_GBK_0, "xft:AR PL KaitiM GB" },
101 { CS_GBK_0, "xft:AR PL SungtiL GB" },
102 { CS_GBK_0, "xft::lang=zh" },
75 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 103 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
76 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 104 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
77 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 105 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
78 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 106 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
107 { CS_GB2312_1980_0, "xft::lang=zh" },
79# endif 108# endif
109 { CS_GBK_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gbk*-0" },
80 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" }, 110 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
81 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" }, 111 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
82 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" }, 112 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
113 { CS_GB2312_1980_0, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
83 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" }, 114 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
84 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" }, 115 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
85 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" }, 116 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
86 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" }, 117 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
87 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" }, 118 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
89 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" }, 120 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },
90 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" }, 121 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },
91 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" }, 122 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
92#endif 123#endif
93 124
125#if ENCODING_KR
126 { CS_KSC5601_1987_0, "-baekmuk-gulim-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
127 { CS_KSC5601_1987_0, "-*-*-*-*-*-*-*-*-*-*-c-*-ksc5601*" },
94#if XFT 128# if XFT
95 { CS_UNICODE, "xft:Andale Mono" }, 129 { CS_KSC5601_1987_0, "xft:Baekmuk Gulim:antialias=false" },
96 { CS_UNICODE, "xft:Arial Unicode MS" }, 130 { CS_KSC5601_1987_0, "xft::lang=ko:antialias=false" },
131# endif
97#endif 132#endif
133
134 // generic font fallback
98 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" }, 135 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
99 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, 136 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
100 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" }, 137 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
101 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 138 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
102#if XFT 139#if XFT
140 { CS_UNICODE, "xft:Bitstream Vera Sans Mono:antialias=false:autohint=true" },
141 { CS_UNICODE, "xft:Courier New:antialias=false:autohint=true" },
142 { CS_UNICODE, "xft:Andale Mono:antialias=false:autohint=false" },
143 { CS_UNICODE, "xft:Arial Unicode MS:antialias=false:autohint=false" },
144
103 // FreeMono is usually uglier than x fonts, so try last only. 145 // FreeMono is usually uglier than x fonts, so try last only.
104 //{ CS_UNICODE, "xft:FreeMono" }, 146 { CS_UNICODE, "xft:FreeMono:autohint=true" },
105#endif 147#endif
106 148
107 { CS_UNKNOWN, 0 } 149 { CS_UNKNOWN, 0 }
108}; 150};
109 151
152// these characters are used to guess the font height and width
153// pango uses a similar algorithm and doesn't trust the font either.
154static uint16_t extent_test_chars[] = {
155 '0', '1', '8', 'a', 'd', 'x', 'm', 'y', 'g', 'W', 'X', '\'', '_',
156 0x00cd, 0x00d5, 0x0114, 0x0177, 0x0643, // ÍÕĔŷﻙ
157 0x304c, 0x672c, // が本
158};
159
160#define NUM_EXTENT_TEST_CHARS (sizeof (extent_test_chars) / sizeof (extent_test_chars[0]))
161
162#define dTermDisplay Display *disp = term->xdisp
163#define dTermGC GC gc = term->gc
164
110///////////////////////////////////////////////////////////////////////////// 165/////////////////////////////////////////////////////////////////////////////
111 166
112#if XFT 167#if XFT
113rxvt_drawable::~rxvt_drawable () 168rxvt_drawable::~rxvt_drawable ()
114{ 169{
117} 172}
118 173
119rxvt_drawable::operator XftDraw *() 174rxvt_drawable::operator XftDraw *()
120{ 175{
121 if (!xftdrawable) 176 if (!xftdrawable)
122 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap); 177 xftdrawable = XftDrawCreate (screen->xdisp, drawable, screen->visual, screen->cmap);
123 178
124 return xftdrawable; 179 return xftdrawable;
125} 180}
126#endif 181#endif
127 182
128///////////////////////////////////////////////////////////////////////////// 183/////////////////////////////////////////////////////////////////////////////
129
130static void *enc_buf;
131static uint32_t enc_len;
132
133static inline void *
134get_enc_buf (uint32_t len)
135{
136 if (len > enc_len)
137 {
138 free (enc_buf);
139 enc_buf = malloc (len);
140 enc_len = len;
141 }
142
143 return enc_buf;
144}
145 184
146static const char * 185static const char *
147enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero) 186enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
148{ 187{
149 uint8_t *buf = (uint8_t *)get_enc_buf (len); 188 uint8_t *buf = rxvt_temp_buf<uint8_t> (len);
189 uint8_t *res = buf;
150 190
151 while (len--) 191 while (len--)
152 { 192 {
153 uint32_t c = FROM_UNICODE (cs, *text++); 193 uint32_t c = FROM_UNICODE (cs, *text++);
154 194
159 } 199 }
160 200
161 *buf++ = c; 201 *buf++ = c;
162 } 202 }
163 203
164 return (const char *)enc_buf; 204 return (const char *)res;
165} 205}
166 206
167static const XChar2b * 207static const XChar2b *
168enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero) 208enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
169{ 209{
170 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 210 XChar2b *buf = rxvt_temp_buf<XChar2b> (len);
211 XChar2b *res = buf;
171 212
172 while (len--) 213 while (len--)
173 { 214 {
174 uint32_t c = FROM_UNICODE (cs, *text++); 215 uint32_t c = FROM_UNICODE (cs, *text++);
175 216
182 buf->byte1 = c >> 8; 223 buf->byte1 = c >> 8;
183 buf->byte2 = c; 224 buf->byte2 = c;
184 buf++; 225 buf++;
185 } 226 }
186 227
187 return (XChar2b *)enc_buf; 228 return res;
188} 229}
189 230
190///////////////////////////////////////////////////////////////////////////// 231/////////////////////////////////////////////////////////////////////////////
191 232
233rxvt_font::rxvt_font ()
234: name(0), width(rxvt_fontprop::unset), height(rxvt_fontprop::unset)
235{
236}
237
192void 238void
239rxvt_font::set_name (char *name)
240{
241 if (this->name == name)
242 return;
243
244 if (this->name) free (this->name); // let the compiler optimize
245 this->name = name;
246}
247
248void
193rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) 249rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color) const
194{ 250{
251 dTermDisplay;
252 dTermGC;
253
195 if (color == Color_bg) 254 if (color == Color_bg)
196 XClearArea (d.display->display, d, x, y, w, h, FALSE); 255 XClearArea (disp, d, x, y, w, h, false);
197 else if (color >= 0) 256 else if (color >= 0)
198 { 257 {
199#if XFT 258#if XFT
200 XftDrawRect (d, &r->pix_colors[color].c, x, y, w, h); 259 XftDrawRect (d, &term->pix_colors[color].c, x, y, w, h);
201#else 260#else
202 XSetForeground (d.display->display, TGC, r->pix_colors[color]); 261 XSetForeground (disp, gc, term->pix_colors[color]);
203 XFillRectangle (d.display->display, d, TGC, x, y, w, h); 262 XFillRectangle (disp, d, gc, x, y, w, h);
204#endif 263#endif
205 } 264 }
206} 265}
207 266
267/////////////////////////////////////////////////////////////////////////////
268
208#include "table/linedraw.h" 269#include "table/linedraw.h"
209 270
210struct rxvt_font_default : rxvt_font { 271struct rxvt_font_default : rxvt_font {
272 struct rxvt_fontset *fs;
273
274 rxvt_font_default (rxvt_fontset *fs)
275 : rxvt_font ()
276 {
277 this->fs = fs;
278 }
211 279
212 rxvt_fontprop properties () 280 rxvt_fontprop properties ()
213 { 281 {
214 rxvt_fontprop p; 282 rxvt_fontprop p;
215 283
216 p.width = p.height = 1; 284 p.width = p.height = 1;
285 p.ascent = rxvt_fontprop::unset;
217 p.weight = rxvt_fontprop::medium; 286 p.weight = rxvt_fontprop::medium;
218 p.slant = rxvt_fontprop::roman; 287 p.slant = rxvt_fontprop::roman;
219 288
220 return p; 289 return p;
221 } 290 }
223 bool load (const rxvt_fontprop &prop) 292 bool load (const rxvt_fontprop &prop)
224 { 293 {
225 width = 1; height = 1; 294 width = 1; height = 1;
226 ascent = 1; descent = 0; 295 ascent = 1; descent = 0;
227 296
228 set_name (strdup ("built-in pseudofont")); 297 set_name (strdup ("built-in support font"));
229 298
230 return true; 299 return true;
231 } 300 }
232 301
233 bool has_codepoint (unicode_t unicode) 302 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
234 { 303 {
304 careful = false;
305
235 if (unicode <= 0x001f) 306 if (unicode <= 0x001f)
236 return true; 307 return true;
237 308
238 if (unicode <= 0x007f) 309 if (unicode <= 0x007f)
239 return false; 310 return false;
240 311
241 if (unicode <= 0x009f) 312 if (unicode <= 0x009f)
242 return true; 313 return true;
243 314
244 if (unicode >= 0x2500 && unicode <= 0x259f) 315 if (unicode >= 0x2500 && unicode <= 0x259f &&
316 !term->option (Opt_skipBuiltinGlyphs))
245 return true; 317 return true;
246 318
247 if (IS_COMPOSE (unicode)) 319 if (IS_COMPOSE (unicode))
248 return true; 320 return true;
249 321
250 switch (unicode) 322 switch (unicode)
251 { 323 {
252 case ZERO_WIDTH_CHAR: 324 case ZERO_WIDTH_CHAR:
325 case NOCHAR:
253 return true; 326 return true;
254 } 327 }
255 328
256 return false; 329 return false;
257 } 330 }
264void 337void
265rxvt_font_default::draw (rxvt_drawable &d, int x, int y, 338rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
266 const text_t *text, int len, 339 const text_t *text, int len,
267 int fg, int bg) 340 int fg, int bg)
268{ 341{
342 dTermDisplay;
343 dTermGC;
344
269 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 345 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
270 346
271 XSetForeground (d.display->display, TGC, r->pix_colors[fg]); 347 XSetForeground (disp, gc, term->pix_colors[fg]);
272 348
273 while (len--) 349 while (len)
274 { 350 {
275#if ENABLE_COMBINING 351#if ENABLE_COMBINING
276 compose_char *cc; 352 compose_char *cc;
277#endif 353#endif
354 const text_t *tp = text;
278 text_t t = *text++; 355 text_t t = *tp;
356
357 while (++text, --len && *text == NOCHAR)
358 ;
359
360 int width = text - tp;
361 int fwidth = term->fwidth * width;
279 362
280 if (0x2500 <= t && t <= 0x259f) 363 if (0x2500 <= t && t <= 0x259f)
281 { 364 {
282 uint16_t offs = linedraw_offs[t - 0x2500]; 365 uint16_t offs = linedraw_offs[t - 0x2500];
283 uint32_t *a = linedraw_command + (offs >> 4); 366 uint32_t *a = linedraw_command + (offs >> 4);
284 uint32_t *b = a + (offs & 15); 367 uint32_t *b = a + (offs & 15);
285 368
286 int W = r->TermWin.fwidth; 369 int W = fwidth;
287 int H = r->TermWin.fheight; 370 int H = term->fheight;
288 371
289 int x_[16]; 372 int x_[16];
290 int y_[16]; 373 int y_[16];
291 374
292 for (int i = 0; i <= 8; i++) 375 for (int i = 0; i <= 8; i++)
300 383
301 XGCValues gcv; 384 XGCValues gcv;
302 385
303 gcv.cap_style = CapButt; 386 gcv.cap_style = CapButt;
304 gcv.line_width = 0; 387 gcv.line_width = 0;
305 XChangeGC (d.display->display, TGC, GCLineWidth | GCCapStyle, &gcv); 388 XChangeGC (disp, gc, GCLineWidth | GCCapStyle, &gcv);
306 389
307 while (a < b) 390 while (a < b)
308 { 391 {
309 uint32_t command = *a++; 392 uint32_t command = *a++;
310 393
317 int y2 = y_[(command >> 0) & 15]; 400 int y2 = y_[(command >> 0) & 15];
318 401
319 switch (op) 402 switch (op)
320 { 403 {
321 case 0: // line 404 case 0: // line
322 XDrawLine (d.display->display, d, TGC, x1, y1, x2, y2); 405 XDrawLine (disp, d, gc, x1, y1, x2, y2);
323 break; 406 break;
324 407
325 case 1: // rectangle, possibly stippled 408 case 1: // rectangle, possibly stippled
326 if (a) 409 if (a)
327 { 410 {
328 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 }; 411 static char bm[] = { 0,0 , 3,1 , 1,2 , 1,0 };
329 412
330 gcv.fill_style = FillStippled; 413 gcv.fill_style = FillStippled;
331 gcv.stipple = XCreateBitmapFromData (d.display->display, d, bm + a * 2, 2, 2); 414 gcv.stipple = XCreateBitmapFromData (disp, d, bm + a * 2, 2, 2);
332 gcv.ts_x_origin = x; 415 gcv.ts_x_origin = x;
333 gcv.ts_y_origin = y; 416 gcv.ts_y_origin = y;
334 417
335 XChangeGC (d.display->display, TGC, 418 XChangeGC (disp, gc,
336 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin, 419 GCFillStyle | GCStipple | GCTileStipXOrigin | GCTileStipYOrigin,
337 &gcv); 420 &gcv);
338 } 421 }
339 422
340 XFillRectangle (d.display->display, d, TGC, x1, y1, x2 - x1 + 1, y2 - y1 + 1); 423 XFillRectangle (disp, d, gc, x1, y1, x2 - x1 + 1, y2 - y1 + 1);
341 424
342 if (a) 425 if (a)
343 { 426 {
344 XFreePixmap (d.display->display, gcv.stipple); 427 XFreePixmap (disp, gcv.stipple);
345 gcv.stipple = 0; 428 gcv.stipple = 0;
346 gcv.fill_style = FillSolid; 429 gcv.fill_style = FillSolid;
347 XChangeGC (d.display->display, TGC, GCFillStyle, &gcv); 430 XChangeGC (disp, gc, GCFillStyle, &gcv);
348 } 431 }
349 break; 432 break;
350 case 2: // arc 433 case 2: // arc
351 XDrawArc (d.display->display, d, TGC, 434 XDrawArc (disp, d, gc,
352 x1 - W/2, y1 - H/2, W-1, H-1, 435 x1 - W/2, y1 - H/2, W-1, H-1,
353 (a - 1) * 90*64, (b - 1) * 90*64); 436 (a - 1) * 90*64, (b - 1) * 90*64);
354 break; 437 break;
355 } 438 }
356 } 439 }
357 } 440 }
358#if ENABLE_COMBINING 441#if ENABLE_COMBINING
359 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t])) 442 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
360 { 443 {
444 min_it (width, 2); // we only support wcwidth up to 2
445
446 text_t chrs[2];
447 chrs [1] = NOCHAR;
448
449 *chrs = cc->c1;
361 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)]; 450 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];
362 f1->draw (d, x, y, &(t = cc->c1), 1, fg, bg); 451 f1->draw (d, x, y, chrs, width, fg, bg);
452
363 if (cc->c2 != NOCHAR) 453 if (cc->c2 != NOCHAR)
364 { 454 {
455 bool careful;
456
365 // prefer font of first character, for no good reasons 457 // prefer font of first character, for no good reasons
366 rxvt_font *f2 = f1->has_codepoint (cc->c2) 458 *chrs = cc->c2;
459 rxvt_font *f2 = (f1->has_char (cc->c2, 0, careful) && !careful)
367 ? f1 460 ? f1
368 : (*fs)[fs->find_font (cc->c2)]; 461 : (*fs)[fs->find_font (cc->c2)];
369 462
370 f2->draw (d, x, y, &(t = cc->c2), 1, fg, -1); 463 f2->draw (d, x, y, chrs, width, fg, -1);
371 } 464 }
372 } 465 }
373#endif 466#endif
374 else 467 else
375 switch (t) 468 switch (t)
376 { 469 {
470 case '\t':
377 case ZERO_WIDTH_CHAR: 471 case ZERO_WIDTH_CHAR:
472 case NOCHAR:
378 break; 473 break;
379 474
380 default: 475 default:
381 int w = 0;
382 while (len > 0 && *text == NOCHAR)
383 {
384 ++text;
385 --len;
386 w += r->TermWin.fwidth;
387 }
388
389 XDrawRectangle (d.display->display, d, TGC, x + 2, y + 2, 476 XDrawRectangle (disp, d, gc, x + 2, y + 2,
390 w + r->TermWin.fwidth - 4, r->TermWin.fheight - 4); 477 fwidth - 4, term->fheight - 4);
391 x += w;
392 } 478 }
393 479
394 x += r->TermWin.fwidth; 480 x += fwidth;
395 } 481 }
396} 482}
397 483
398///////////////////////////////////////////////////////////////////////////// 484/////////////////////////////////////////////////////////////////////////////
399 485
404 490
405 rxvt_fontprop properties (); 491 rxvt_fontprop properties ();
406 492
407 bool load (const rxvt_fontprop &prop); 493 bool load (const rxvt_fontprop &prop);
408 494
409 bool has_codepoint (unicode_t unicode); 495 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const;
410 496
411 void draw (rxvt_drawable &d, int x, int y, 497 void draw (rxvt_drawable &d, int x, int y,
412 const text_t *text, int len, 498 const text_t *text, int len,
413 int fg, int bg); 499 int fg, int bg);
414 500
501 bool slow; // wether this is a proportional font or has other funny characteristics
415 XFontStruct *f; 502 XFontStruct *f;
416 codeset cs; 503 codeset cs;
417 bool enc2b, encm; 504 bool enc2b, encm;
418 505
419 char *get_property (XFontStruct *f, const char *property, const char *repl) const; 506 char *get_property (XFontStruct *f, Atom property, const char *repl) const;
420 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth); 507 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
421 bool set_properties (rxvt_fontprop &p, XFontStruct *f); 508 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
422 bool set_properties (rxvt_fontprop &p, const char *name); 509 bool set_properties (rxvt_fontprop &p, const char *name);
423}; 510};
424 511
425char * 512char *
426rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 513rxvt_font_x11::get_property (XFontStruct *f, Atom property, const char *repl) const
427{ 514{
428 unsigned long value; 515 unsigned long value;
429 516
430 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 517 if (XGetFontProperty (f, property, &value))
431 return XGetAtomName (DISPLAY, value); 518 return XGetAtomName (term->xdisp, value);
432 else 519 else
433 return rxvt_strdup (repl); 520 return rxvt_strdup (repl);
434} 521}
435 522
436rxvt_fontprop 523rxvt_fontprop
442} 529}
443 530
444bool 531bool
445rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth) 532rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
446{ 533{
447 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2; 534 p.width = width != rxvt_fontprop::unset ? width
535 : avgwidth ? (avgwidth + 1) / 10
536 : (height + 1) / 2;
448 p.height = height; 537 p.height = height;
538 p.ascent = rxvt_fontprop::unset;
449 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 539 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
450 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 540 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
451 541
452 return true; 542 return true;
453} 543}
454 544
455bool 545bool
456rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f) 546rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
457{ 547{
458 unsigned long height; 548 unsigned long height;
549
550#if 0
459 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height)) 551 if (!XGetFontProperty (f, XInternAtom (term->xdisp, "PIXEL_SIZE", 0), &height))
460 return false; 552 return false;
553#else
554 height = f->ascent + f->descent;
555#endif
461 556
462 unsigned long avgwidth; 557 unsigned long avgwidth;
463 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth)) 558 if (!XGetFontProperty (f, term->xa [XA_AVERAGE_WIDTH], &avgwidth))
464 avgwidth = 0; 559 avgwidth = 0;
465 560
466 char *weight = get_property (f, "WEIGHT_NAME", "medium"); 561 char *weight = get_property (f, term->xa [XA_WEIGHT_NAME], "medium");
467 char *slant = get_property (f, "SLANT", "r"); 562 char *slant = get_property (f, term->xa [XA_SLANT], "r");
468 563
469 set_properties (p, height, weight, slant, avgwidth); 564 set_properties (p, height, weight, slant, avgwidth);
470 565
471 free (weight); 566 free (weight);
472 free (slant); 567 free (slant);
473 568
569 p.ascent = f->ascent;
570
474 return true; 571 return true;
475} 572}
476 573
477bool 574bool
478rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name) 575rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
479{ 576{
577 dTermDisplay;
480 int slashes = 0; 578 int slashes = 0;
481 const char *comp[13]; 579 const char *comp[13];
482 580
483 for (const char *c = name; *c; c++) 581 for (const char *c = name; *c; c++)
484 if (*c == '-') 582 if (*c == '-')
492 if (slashes >= 13 590 if (slashes >= 13
493 && (*comp[ 6] >= '1' && *comp[ 6] <= '9') 591 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
494 && (*comp[11] >= '0' && *comp[11] <= '9')) 592 && (*comp[11] >= '0' && *comp[11] <= '9'))
495 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11])); 593 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
496 594
497 XFontStruct *f = XLoadQueryFont (DISPLAY, name); 595 XFontStruct *f = XLoadQueryFont (disp, name);
498 596
499 if (f) 597 if (f)
500 { 598 {
501 // the font should really exist now. if not, we have a problem 599 // the font should really exist now. if not, we have a problem
502 // (e.g. if the user did xset fp rehash just when we were searching fonts). 600 // (e.g. if the user did xset fp rehash just when we were searching fonts).
503 // in that case, just return garbage. 601 // in that case, just return garbage.
504 bool ret = set_properties (p, f); 602 bool ret = set_properties (p, f);
505 XFreeFont (DISPLAY, f); 603 XFreeFont (disp, f);
506 return ret; 604 return ret;
507 } 605 }
508 else 606 else
509 return false; 607 return false;
510} 608}
511 609
512// fix the size of scalable fonts 610// fix the size of scalable fonts
513static void 611static bool
514fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop) 612replace_field (char *buf, const char *name, int index, const char old, const char *replace)
515{ 613{
516 int slashes = 0; 614 int slashes = 0;
517 const char *size; 615 const char *field, *end;
518 616
519 for (const char *c = name; *c; c++) 617 for (const char *c = name; *c; c++)
520 if (*c == '-') 618 if (*c == '-')
521 { 619 {
522 if (slashes == 6) 620 if (slashes == index)
523 size = c + 1; 621 field = c + 1;
622
623 if (slashes == index + 1)
624 end = c;
524 625
525 if (++slashes >= 13) 626 if (++slashes >= 13)
526 break; 627 break;
527 } 628 }
528 629
529 if (slashes >= 13 && size[0] == '0') 630 if (slashes >= 13 && (!old || *field == old))
530 { 631 {
632 // TODO: check for overflow in font-name
531 strncpy (buf, name, size - name); 633 strncpy (buf, name, field - name);
532 buf += size - name; 634 buf += field - name;
533 buf += sprintf (buf, "%d", prop.height);
534 strcpy (buf, size + 1); 635 strcpy (buf, replace);
636 strcat (buf, end);
637
638 return true;
535 } 639 }
536 else 640 else
641 {
537 strcpy (buf, name); 642 strcpy (buf, name);
643
644 return false;
645 }
538} 646}
539 647
540bool 648bool
541rxvt_font_x11::load (const rxvt_fontprop &prop) 649rxvt_font_x11::load (const rxvt_fontprop &prop)
542{ 650{
651 dTermDisplay;
652
543 clear (); 653 clear ();
654
655 char field_str[64]; // enough for 128 bits
656
657 // first morph the font if required
658 if (prop.weight != rxvt_fontprop::unset
659 || prop.slant != rxvt_fontprop::unset)
660 {
661 char fname[1024];
662
663 if (name[0] != '-')
664 {
665 f = XLoadQueryFont (disp, name);
666
667 if (!f)
668 return false;
669
670 char *new_name = get_property (f, XA_FONT, name);
671
672 if (new_name)
673 set_name (new_name);
674 else
675 rxvt_warn ("font '%s' has no FONT property, continuing without.", name);
676
677 XFreeFont (disp, f);
678 f = 0;
679 }
680
681 if (prop.weight != rxvt_fontprop::unset)
682 {
683 replace_field (fname, name, 2, 0,
684 prop.weight < rxvt_fontprop::bold
685 ? "medium" : "bold");
686 set_name (strdup (fname));
687 }
688
689 if (prop.slant != rxvt_fontprop::unset)
690 {
691 replace_field (fname, name, 3, 0,
692 prop.slant < rxvt_fontprop::italic
693 ? "r" : "i"); // TODO: handle "o"blique, too
694 set_name (strdup (fname));
695 }
696 }
697
698 sprintf (field_str, "%d", prop.height == rxvt_fontprop::unset
699 ? 0 : prop.height);
700
701 struct font_weight {
702 char *name;
703 int diff;
704
705 void clear ()
706 {
707 name = 0;
708 diff = 0x7fffffff;
709 }
710
711 font_weight () { clear (); }
712 ~font_weight () { free (name); }
713 };
544 714
545 char **list; 715 char **list;
546 int count; 716 int count;
547 list = XListFonts (DISPLAY, name, 1024, &count); 717 list = XListFonts (disp, name, 4000, &count);
718
548 set_name (0); 719 set_name (0);
549 720
550 if (!list) 721 if (!list)
551 return false; 722 return false;
552 723
553 int bestdiff = 0x7fffffff; 724 font_weight *fonts = new font_weight[count];
725
554 for (int i = 0; i < count; i++) 726 for (int i = 0; i < count; i++)
555 { 727 {
556 rxvt_fontprop p; 728 rxvt_fontprop p;
557 char fname[1024]; 729 char fname[1024];
558 fix_scalable (fname, list[i], prop); 730
731 int diff = 0;
732
733 if (replace_field (fname, list[i], 6, '0', field_str))
734 diff += 10; // slightly penalize scalable fonts
735 else if (replace_field (fname, list[i], 11, '0', "0"))
736 diff += 300; // more heavily penalize what looks like scaled bitmap fonts
559 737
560 if (!set_properties (p, fname)) 738 if (!set_properties (p, fname))
561 continue; 739 continue;
562 740
741 if (prop.height != rxvt_fontprop::unset
563 if (p.height > prop.height) // weed out too large fonts 742 && p.height > prop.height) // weed out too large fonts
564 continue; 743 continue;
565 744
566 int diff = (prop.height - p.height) * 32 745 if (prop.height != rxvt_fontprop::unset) diff += (prop.height - p.height) * 128;
567 + abs (prop.weight - p.weight) 746 if (prop.weight != rxvt_fontprop::unset) diff += abs (prop.weight - p.weight);
568 + abs (prop.slant - p.slant ); 747 if (prop.slant != rxvt_fontprop::unset) diff += abs (prop.slant - p.slant);
748 //if (prop.width != rxvt_fontprop::unset) diff += abs (prop.width - p.width);
569 749
570 if (!name // compare against best found so far 750 fonts[i].name = strdup (fname);
571 || diff < bestdiff) 751 fonts[i].diff = diff;
572 {
573 set_name (strdup (fname));
574 bestdiff = diff;
575 }
576 } 752 }
577 753
578 XFreeFontNames (list); 754 XFreeFontNames (list);
579 755
580 if (!name) 756 // this loop only iterates when the guessed font-size is too small
581 return false; 757 for (;;)
758 {
759 font_weight *best = fonts + count - 1;
582 760
583 f = XLoadQueryFont (DISPLAY, name); 761 for (font_weight *w = best; w-- > fonts; )
762 if (w->diff <= best->diff)
763 best = w;
764
765 if (!best->name
766 || !(f = XLoadQueryFont (disp, best->name)))
767 break;
768
769 set_name (best->name);
770 best->clear ();
771
772 ascent = f->ascent;
773 descent = f->descent;
774 height = ascent + descent;
775
776 if (prop.height == rxvt_fontprop::unset
777 || height <= prop.height)
778 break; // font is ready for use
779
780 // PIXEL_SIZE small enough, but real height too large
781 clear ();
782 }
783
784 delete [] fonts;
584 785
585 if (!f) 786 if (!f)
586 return false; 787 return false;
587 788
588 char *registry = get_property (f, "CHARSET_REGISTRY", 0); 789 char *registry = get_property (f, term->xa [XA_CHARSET_REGISTRY], 0);
589 char *encoding = get_property (f, "CHARSET_ENCODING", 0); 790 char *encoding = get_property (f, term->xa [XA_CHARSET_ENCODING], 0);
590 791
591 if (registry && encoding) 792 if (registry && encoding)
592 { 793 {
593 char charset[64]; 794 char charset[64];
594 snprintf (charset, 64, "%s-%s", registry, encoding); 795 snprintf (charset, 64, "%s-%s", registry, encoding);
595 796
596 cs = codeset_from_name (charset); 797 cs = codeset_from_name (charset);
597 } 798 }
598 else 799 else
599 { 800 {
600 const char *charset = get_property (f, "FONT", 0); 801 const char *charset = get_property (f, XA_FONT, 0);
601 802
602 if (!charset) 803 if (!charset)
603 charset = name; 804 charset = name;
604 805
605 int count = 13; 806 int count = 13;
617 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font 818 cs = CS_UNICODE_16; // X11 can have a max. of 65536 chars per font
618 819
619 encm = f->min_byte1 != 0 || f->max_byte1 != 0; 820 encm = f->min_byte1 != 0 || f->max_byte1 != 0;
620 enc2b = encm || f->max_char_or_byte2 > 255; 821 enc2b = encm || f->max_char_or_byte2 > 255;
621 822
622 ascent = f->ascent;
623 descent = f->descent;
624 height = ascent + descent;
625
626 slow = false; 823 slow = false;
627 824
825#if 1 // only used for slow detection, TODO optimize
628 if (f->min_bounds.width == f->max_bounds.width) 826 if (f->min_bounds.width == f->max_bounds.width || !f->per_char)
629 width = f->min_bounds.width;
630 else if (f->per_char == NULL)
631 width = f->max_bounds.width; 827 width = f->max_bounds.width;
632 else 828 else
633 { 829 {
634 slow = true; 830 slow = true;
635 831
645 width = f->per_char[N].width; 841 width = f->per_char[N].width;
646 842
647 --N; 843 --N;
648 } 844 }
649 } 845 }
846#endif
847
848 width = 1;
849
850 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
851 {
852 if (FROM_UNICODE (cs, *t) == NOCHAR)
853 continue;
854
855 // ignore characters we wouldn't use anyways
856 bool careful;
857 if (!has_char (*t, &prop, careful))
858 continue;
859
860 XChar2b ch = { *t >> 8, *t };
861
862 XCharStruct g;
863 int dir_ret, asc_ret, des_ret;
864 XTextExtents16 (f, &ch, 1, &dir_ret, &asc_ret, &des_ret, &g);
865
866 int wcw = WCWIDTH (*t); if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
867
868 if (width < g.width) width = g.width;
869 }
650 870
651 if (cs == CS_UNKNOWN) 871 if (cs == CS_UNKNOWN)
652 { 872 {
653 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name); 873 fprintf (stderr, "unable to deduce codeset, ignoring font '%s'\n", name);
654 874
655 clear (); 875 clear ();
656
657 return false; 876 return false;
658 } 877 }
878
879#if 0 // do it per-character
880 if (prop && width > prop->width)
881 {
882 clear ();
883 return false;
884 }
885#endif
659 886
660 return true; 887 return true;
661} 888}
662 889
663void 890void
664rxvt_font_x11::clear () 891rxvt_font_x11::clear ()
665{ 892{
666 if (f) 893 if (f)
667 { 894 {
668 XFreeFont (DISPLAY, f); 895 XFreeFont (term->xdisp, f);
669 f = 0; 896 f = 0;
670 } 897 }
671} 898}
672 899
673bool 900bool
674rxvt_font_x11::has_codepoint (unicode_t unicode) 901rxvt_font_x11::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
675{ 902{
676 uint32_t ch = FROM_UNICODE (cs, unicode); 903 uint32_t ch = FROM_UNICODE (cs, unicode);
677 904
678 if (ch == NOCHAR) 905 if (ch == NOCHAR)
679 return false; 906 return false;
688 915
689 if (byte1 < f->min_byte1 || byte1 > f->max_byte1 916 if (byte1 < f->min_byte1 || byte1 > f->max_byte1
690 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) 917 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
691 return false; 918 return false;
692 919
693 if (!f->per_char) 920 if (f->per_char)
694 return true; 921 {
695
696 int D = f->max_char_or_byte2 - f->min_char_or_byte2 + 1; 922 int D = f->max_char_or_byte2 - f->min_char_or_byte2 + 1;
697 int N = (byte1 - f->min_byte1) * D + byte2 - f->min_char_or_byte2; 923 int N = (byte1 - f->min_byte1) * D + byte2 - f->min_char_or_byte2;
698 924
699 xcs = f->per_char + N; 925 xcs = f->per_char + N;
926 }
927 else
928 xcs = &f->max_bounds;
700 } 929 }
701 else 930 else
702 { 931 {
703 if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2) 932 if (ch < f->min_char_or_byte2 || ch > f->max_char_or_byte2)
704 return false; 933 return false;
705 934
706 if (!f->per_char) 935 if (f->per_char)
707 return true;
708
709 xcs = f->per_char + (ch - f->min_char_or_byte2); 936 xcs = f->per_char + (ch - f->min_char_or_byte2);
937 else
938 xcs = &f->max_bounds;
710 } 939 }
711 940
712 if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0 941 if (xcs->lbearing == 0 && xcs->rbearing == 0 && xcs->width == 0
713 && xcs->ascent == 0 && xcs->descent == 0) 942 && xcs->ascent == 0 && xcs->descent == 0)
943 return false;
944
945 if (!prop || prop->width == rxvt_fontprop::unset)
946 return true;
947
948 // check wether character overlaps previous/next character
949 int w = xcs->rbearing - xcs->lbearing;
950 int wcw = WCWIDTH (unicode);
951
952 careful = xcs->lbearing < 0 || xcs->rbearing > prop->width * wcw;
953
954 if (careful && !OVERLAP_OK (w, wcw, prop))
714 return false; 955 return false;
715 956
716 return true; 957 return true;
717} 958}
718 959
724 // this looks like a mess /. 965 // this looks like a mess /.
725 // and it is a mess /. 966 // and it is a mess /.
726 // yet we are trying to be perfect /. 967 // yet we are trying to be perfect /.
727 // but the result still isn't perfect /. 968 // but the result still isn't perfect /.
728 969
970 dTermDisplay;
971 dTermGC;
972
729 bool slow = this->slow 973 bool slow = this->slow
730 || width != r->TermWin.fwidth 974 || width != term->fwidth
731 || height != r->TermWin.fheight; 975 || height != term->fheight;
732 976
733 int base = r->TermWin.fbase; 977 int base = ascent; // sorry, incorrect: term->fbase;
734 978
735 XGCValues v; 979 XGCValues v;
736 v.foreground = r->pix_colors[fg]; 980 v.foreground = term->pix_colors[fg];
737 v.font = f->fid; 981 v.font = f->fid;
738 982
739 if (enc2b) 983 if (enc2b)
740 { 984 {
741 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 985 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
742 986
743 if (bg == Color_bg && !slow) 987 if (bg == Color_bg && !slow)
744 { 988 {
745 v.background = r->pix_colors[bg]; 989 v.background = term->pix_colors[bg];
746 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 990 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
747 XDrawImageString16 (d.display->display, d, TGC, x, y + base, xc, len); 991 XDrawImageString16 (disp, d, gc, x, y + base, xc, len);
748 } 992 }
749 else 993 else
750 { 994 {
751 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 995 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
752 996
753 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 997 XChangeGC (disp, gc, GCForeground | GCFont, &v);
754 998
755 if (slow) 999 if (slow)
756 { 1000 {
757 do 1001 do
758 { 1002 {
759 if (xc->byte1 || xc->byte2) 1003 if (xc->byte1 || xc->byte2)
760 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, 1); 1004 XDrawString16 (disp, d, gc, x, y + base, xc, 1);
761 1005
762 x += r->TermWin.fwidth; 1006 x += term->fwidth;
763 xc++; len--; 1007 xc++; len--;
764 } 1008 }
765 while (len); 1009 while (len);
766 } 1010 }
767 else 1011 else
768 XDrawString16 (d.display->display, d, TGC, x, y + base, xc, len); 1012 XDrawString16 (disp, d, gc, x, y + base, xc, len);
769 } 1013 }
770 } 1014 }
771 else 1015 else
772 { 1016 {
773 const char *xc = enc_char (text, len, cs, slow); 1017 const char *xc = enc_char (text, len, cs, slow);
774 1018
775 if (bg == Color_bg && !slow) 1019 if (bg == Color_bg && !slow)
776 { 1020 {
777 v.background = r->pix_colors[bg]; 1021 v.background = term->pix_colors[bg];
778 XChangeGC (d.display->display, TGC, GCForeground | GCBackground | GCFont, &v); 1022 XChangeGC (disp, gc, GCForeground | GCBackground | GCFont, &v);
779 XDrawImageString (d.display->display, d, TGC, x, y + base, xc, len); 1023 XDrawImageString (disp, d, gc, x, y + base, xc, len);
780 } 1024 }
781 else 1025 else
782 { 1026 {
783 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1027 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
784 1028
785 XChangeGC (d.display->display, TGC, GCForeground | GCFont, &v); 1029 XChangeGC (disp, gc, GCForeground | GCFont, &v);
786 1030
787 if (slow) 1031 if (slow)
788 { 1032 {
789 do 1033 do
790 { 1034 {
791 if (*xc) 1035 if (*xc)
792 XDrawString (d.display->display, d, TGC, x, y + base, xc, 1); 1036 XDrawString (disp, d, gc, x, y + base, xc, 1);
793 1037
794 x += r->TermWin.fwidth; 1038 x += term->fwidth;
795 xc++; len--; 1039 xc++; len--;
796 } 1040 }
797 while (len); 1041 while (len);
798 } 1042 }
799 else 1043 else
800 XDrawString (d.display->display, d, TGC, x, y + base, xc, len); 1044 XDrawString (disp, d, gc, x, y + base, xc, len);
801 } 1045 }
802 } 1046 }
803} 1047}
804 1048
805///////////////////////////////////////////////////////////////////////////// 1049/////////////////////////////////////////////////////////////////////////////
806 1050
807#if XFT 1051#if XFT
808#if 0
809#define UNIBITS 21
810//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
811#define SWATHBITS 8
812#endif
813 1052
814struct rxvt_font_xft : rxvt_font { 1053struct rxvt_font_xft : rxvt_font {
815 rxvt_font_xft () { f = 0; } 1054 rxvt_font_xft () { f = 0; }
816 1055
817 void clear (); 1056 void clear ();
822 1061
823 void draw (rxvt_drawable &d, int x, int y, 1062 void draw (rxvt_drawable &d, int x, int y,
824 const text_t *text, int len, 1063 const text_t *text, int len,
825 int fg, int bg); 1064 int fg, int bg);
826 1065
827 bool has_codepoint (unicode_t unicode); 1066 bool has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &carefull) const;
828 1067
829protected: 1068protected:
830 XftFont *f; 1069 XftFont *f;
831}; 1070};
832 1071
833void 1072void
834rxvt_font_xft::clear () 1073rxvt_font_xft::clear ()
835{ 1074{
836 if (f) 1075 if (f)
837 { 1076 {
838 XftFontClose (DISPLAY, f); 1077 XftFontClose (term->xdisp, f);
839 f = 0; 1078 f = 0;
840 } 1079 }
841} 1080}
842 1081
843rxvt_fontprop 1082rxvt_fontprop
847 1086
848 FT_Face face = XftLockFace (f); 1087 FT_Face face = XftLockFace (f);
849 1088
850 p.width = width; 1089 p.width = width;
851 p.height = height; 1090 p.height = height;
1091 p.ascent = ascent;
852 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD 1092 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD
853 ? rxvt_fontprop::bold : rxvt_fontprop::medium; 1093 ? rxvt_fontprop::bold : rxvt_fontprop::medium;
854 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC 1094 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC
855 ? rxvt_fontprop::italic : rxvt_fontprop::roman; 1095 ? rxvt_fontprop::italic : rxvt_fontprop::roman;
856 1096
860} 1100}
861 1101
862bool 1102bool
863rxvt_font_xft::load (const rxvt_fontprop &prop) 1103rxvt_font_xft::load (const rxvt_fontprop &prop)
864{ 1104{
865#if 0 1105 dTermDisplay;
866 for (int i = 0; i < SWATHCOUNT; i++)
867 cvr[i] = 0;
868#endif
869 1106
870 clear (); 1107 clear ();
871 1108
872 FcPattern *p = FcNameParse ((FcChar8 *) name); 1109 FcPattern *p = FcNameParse ((FcChar8 *) name);
873 1110
874 if (!p) 1111 if (!p)
875 return false; 1112 return false;
876 1113
877 FcValue v; 1114 FcValue v;
878 1115
1116 if (prop.height != rxvt_fontprop::unset
879 if (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch) 1117 && (FcPatternGet (p, FC_PIXEL_SIZE, 0, &v) != FcResultMatch
1118 && FcPatternGet (p, FC_SIZE, 0, &v) != FcResultMatch))
880 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height); 1119 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
881 1120
1121 if (prop.weight != rxvt_fontprop::unset
882 if (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch) 1122 && FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)
883 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 1123 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
884 1124
1125 if (prop.slant != rxvt_fontprop::unset
885 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 1126 && FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
886 FcPatternAddInteger (p, FC_SLANT, prop.slant); 1127 FcPatternAddInteger (p, FC_SLANT, prop.slant);
887
888 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
889 FcPatternAddBool (p, FC_MINSPACE, 1);
890 1128
891#if 0 // clipping unfortunately destroys our precious double-width-characters 1129#if 0 // clipping unfortunately destroys our precious double-width-characters
892 // clip width, we can't do better, or can we? 1130 // clip width, we can't do better, or can we?
893 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch) 1131 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
894 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width); 1132 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop->width);
895#endif 1133#endif
896 1134
1135 if (FcPatternGet (p, FC_MINSPACE, 0, &v) != FcResultMatch)
1136 FcPatternAddBool (p, FC_MINSPACE, 1);
1137
1138 // store generated name so iso14755 view gives better results
1139 set_name ((char *)FcNameUnparse (p));
1140
897 XftResult result; 1141 XftResult result;
898 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1142 FcPattern *match = XftFontMatch (disp, term->display->screen, p, &result);
899 1143
900 FcPatternDestroy (p); 1144 FcPatternDestroy (p);
901 1145
902 if (!match) 1146 if (!match)
903 return false; 1147 return false;
904 1148
905 f = XftFontOpenPattern (DISPLAY, match);
906
907 if (!f)
908 {
909 FcPatternDestroy (match);
910 return false;
911 }
912
913 FT_Face face = XftLockFace (f);
914
915 slow = !FT_IS_FIXED_WIDTH (face);
916
917 int ftheight = 0; 1149 int ftheight = 0;
1150 bool success = true;
918 1151
919 for (;;) 1152 for (;;)
920 { 1153 {
921 XGlyphInfo g1, g2; 1154 f = XftFontOpenPattern (disp, FcPatternDuplicate (match));
922 FcChar8 c;
923 1155
924 c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1); 1156 if (!f)
925 c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2); 1157 {
1158 success = false;
1159 break;
1160 }
926 1161
927 if (g1.xOff != g2.xOff) // don't simply trust the font 1162 FT_Face face = XftLockFace (f);
928 slow = true;
929 1163
930 width = g2.xOff;
931 ascent = (face->size->metrics.ascender + 63) >> 6; 1164 ascent = (face->size->metrics.ascender + 63) >> 6;
932 descent = (-face->size->metrics.descender + 63) >> 6; 1165 descent = (-face->size->metrics.descender + 63) >> 6;
933 height = ascent + descent; 1166 height = max (ascent + descent, (face->size->metrics.height + 63) >> 6);
1167 width = 0;
934 1168
1169 bool scalable = face->face_flags & FT_FACE_FLAG_SCALABLE;
1170
1171 XftUnlockFace (f);
1172
1173 int glheight = height;
1174
1175 for (uint16_t *t = extent_test_chars + NUM_EXTENT_TEST_CHARS; t-- > extent_test_chars; )
1176 {
1177 FcChar16 ch = *t;
1178
1179 if (cs != CS_UNICODE
1180 && ch > 0x100
1181 && FROM_UNICODE (cs, ch) == NOCHAR)
1182 continue;
1183
1184 // ignore characters we wouldn't use anyways
1185 bool careful;
1186 if (!has_char (*t, &prop, careful))
1187 continue;
1188
1189 XGlyphInfo g;
1190 XftTextExtents16 (disp, f, &ch, 1, &g);
1191
1192 g.width -= g.x;
1193
1194 int wcw = WCWIDTH (ch);
1195 if (wcw > 0) g.width = (g.width + wcw - 1) / wcw;
1196
1197 if (width < g.width ) width = g.width;
1198 if (height < g.height ) height = g.height;
1199 if (glheight < g.height - g.y) glheight = g.height - g.y;
1200 }
1201
1202 if (!width)
1203 {
1204 rxvt_warn ("unable to calculate font width for '%s', ignoring.\n", name);
1205
1206 XftFontClose (disp, f);
1207 f = 0;
1208
1209 success = false;
1210 break;
1211 }
1212
1213 if (prop.height == rxvt_fontprop::unset
935 if (height <= prop.height || !prop.height) 1214 || (height <= prop.height && glheight <= prop.height)
1215 || height <= 2
1216 || !scalable)
936 break; 1217 break;
937 1218
938 if (ftheight) 1219 if (ftheight)
939 { 1220 {
940 // take smaller steps near the end 1221 // take smaller steps near the end
941 if (height > prop.height + 1) ftheight++; 1222 if (height > prop.height + 1) ftheight++;
942 if (height > prop.height + 2) ftheight++; 1223 if (height > prop.height + 2) ftheight++;
943 if (height > prop.height + 3) ftheight++; 1224 if (height > prop.height + 3) ftheight++;
944 1225
945 FT_Set_Pixel_Sizes (face, 0, ftheight -= height - prop.height); 1226 ftheight -= height - prop.height;
946 } 1227 }
947 else 1228 else
948 FT_Set_Pixel_Sizes (face, 0, ftheight = prop.height); 1229 ftheight = prop.height - 1;
1230
1231 XftFontClose (disp, f);
1232 FcPatternDel (match, FC_PIXEL_SIZE);
1233 FcPatternAddInteger (match, FC_PIXEL_SIZE, ftheight);
1234 }
1235
1236 FcPatternDestroy (match);
1237
1238#if 0 // do it per-character
1239 if (prop.width != rxvt_fontprop::unset && width > prop.width)
949 } 1240 {
1241 clear ();
1242 success = false;
1243 }
1244#endif
950 1245
951 XftUnlockFace (f); 1246 return success;
1247}
1248
1249bool
1250rxvt_font_xft::has_char (unicode_t unicode, const rxvt_fontprop *prop, bool &careful) const
1251{
1252 careful = false;
1253
1254 if (!XftCharExists (term->xdisp, f, unicode))
1255 return false;
1256
1257 if (!prop || prop->width == rxvt_fontprop::unset)
1258 return true;
1259
1260 // check character against base font bounding box
1261 FcChar32 ch = unicode;
1262 XGlyphInfo g;
1263 XftTextExtents32 (term->xdisp, f, &ch, 1, &g);
1264
1265 int w = g.width - g.x;
1266 int wcw = WCWIDTH (unicode);
1267
1268 careful = g.x > 0 || w > prop->width * wcw;
1269
1270 if (careful && !OVERLAP_OK (w, wcw, prop))
1271 return false;
1272
1273 // this weeds out _totally_ broken fonts, or glyphs
1274 if (!OVERLAP_OK (g.xOff, wcw, prop))
1275 return false;
952 1276
953 return true; 1277 return true;
954}
955
956bool
957rxvt_font_xft::has_codepoint (unicode_t unicode)
958{
959 return XftCharExists (DISPLAY, f, unicode);
960} 1278}
961 1279
962void 1280void
963rxvt_font_xft::draw (rxvt_drawable &d, int x, int y, 1281rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
964 const text_t *text, int len, 1282 const text_t *text, int len,
965 int fg, int bg) 1283 int fg, int bg)
966{ 1284{
967 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 1285 clear_rect (d, x, y, term->fwidth * len, term->fheight, bg);
968 1286
969 if (0 && !slow && width == r->TermWin.fwidth) 1287 XGlyphInfo extents;
970 { 1288 XftGlyphSpec *enc = (XftGlyphSpec *)rxvt_temp_buf (len * sizeof (XftGlyphSpec));
971 if (sizeof (text_t) == sizeof (FcChar16)) 1289 XftGlyphSpec *ep = enc;
972 XftDrawString16 (d, &r->pix_colors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); 1290
973 else 1291 dTermDisplay;
974 XftDrawString32 (d, &r->pix_colors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); 1292 dTermGC;
975 } 1293
976 else 1294 // cut trailing spaces
977 { 1295 while (len && text [len - 1] == ' ')
1296 len--;
1297
978 while (len) 1298 while (len)
1299 {
1300 int cwidth = term->fwidth;
1301 FcChar32 fc = *text++; len--;
1302
1303 while (len && *text == NOCHAR)
1304 text++, len--, cwidth += term->fwidth;
979 { 1305
980 if (*text != NOCHAR && *text != ' ') 1306 if (fc != ' ') // skip spaces
981 {
982 int fwidth = r->TermWin.fwidth;
983 if (len >= 2 && text[1] == NOCHAR)
984 fwidth *= 2;
985
986 XGlyphInfo extents;
987 if (sizeof (text_t) == sizeof (FcChar16))
988 {
989 XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);
990 XftDrawString16 (d, &r->pix_colors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
991 y + r->TermWin.fbase, (const FcChar16 *)text, 1);
992 }
993 else
994 {
995 XGlyphInfo extents;
996 XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);
997 XftDrawString32 (d, &r->pix_colors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
998 y + r->TermWin.fbase, (const FcChar32 *)text, 1);
999 }
1000 }
1001
1002 x += r->TermWin.fwidth;
1003 text++;
1004 len--;
1005 } 1307 {
1308 FT_UInt glyph = XftCharIndex (disp, f, fc);
1309 XftGlyphExtents (disp, f, &glyph, 1, &extents);
1310
1311
1312 ep->glyph = glyph;
1313 ep->x = x + (cwidth - extents.xOff >> 1);
1314 ep->y = y + ascent;
1315
1316 if (extents.xOff == 0)
1317 ep->x = x + cwidth;
1318
1319 ep++;
1320 }
1321
1322 x += cwidth;
1006 } 1323 }
1324
1325 if (ep != enc)
1326 XftDrawGlyphSpec (d, &term->pix_colors[fg].c, f, enc, ep - enc);
1007} 1327}
1008#endif 1328#endif
1009 1329
1010///////////////////////////////////////////////////////////////////////////// 1330/////////////////////////////////////////////////////////////////////////////
1011 1331
1012rxvt_fontset::rxvt_fontset (rxvt_t r) 1332rxvt_fontset::rxvt_fontset (rxvt_term *term)
1013: r (r), fontdesc (0) 1333: fontdesc (0), term (term)
1014{ 1334{
1015 clear (); 1335 clear ();
1016} 1336}
1017 1337
1018rxvt_fontset::~rxvt_fontset () 1338rxvt_fontset::~rxvt_fontset ()
1021} 1341}
1022 1342
1023void 1343void
1024rxvt_fontset::clear () 1344rxvt_fontset::clear ()
1025{ 1345{
1346 prop.width = prop.height = prop.ascent = prop.weight = prop.slant
1347 = rxvt_fontprop::unset;
1348
1026 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++) 1349 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
1027 FONT_UNREF (*i); 1350 FONT_UNREF (*i);
1028 1351
1352 for (pagemap **p = fmap.begin (); p != fmap.end (); p++)
1353 delete *p;
1354
1029 free (fontdesc); fontdesc = 0; 1355 free (fontdesc); fontdesc = 0;
1030 1356
1031 fonts.clear (); 1357 fonts.clear ();
1032 base_id = 0;
1033 base_prop.height = 0x7fffffff;
1034 base_prop.weight = rxvt_fontprop::medium;
1035 base_prop.slant = rxvt_fontprop::roman;
1036 1358
1037 fallback = fallback_fonts; 1359 fallback = fallback_fonts;
1038} 1360}
1039 1361
1040rxvt_font * 1362rxvt_font *
1043 rxvt_font *f; 1365 rxvt_font *f;
1044 1366
1045 if (!name || !*name) 1367 if (!name || !*name)
1046 { 1368 {
1047 name = ""; 1369 name = "";
1048 f = new rxvt_font_default; 1370 f = new rxvt_font_default (this);
1049 } 1371 }
1050#if XFT 1372#if XFT
1051 else if (!strncmp (name, "xft:", 4)) 1373 else if (!strncmp (name, "xft:", 4))
1052 { 1374 {
1053 name += 4; 1375 name += 4;
1054 f = new rxvt_font_xft; 1376 f = new rxvt_font_xft ();
1055 } 1377 }
1056#endif 1378#endif
1057 else if (!strncmp (name, "x:", 2)) 1379 else if (!strncmp (name, "x:", 2))
1058 { 1380 {
1059 name += 2; 1381 name += 2;
1060 f = new rxvt_font_x11; 1382 f = new rxvt_font_x11;
1061 } 1383 }
1062 else 1384 else
1063 f = new rxvt_font_x11; 1385 f = new rxvt_font_x11;
1064 1386
1065 f->fs = this;
1066 f->set_term (r); 1387 f->set_term (term);
1067 f->set_name (strdup (name)); 1388 f->set_name (strdup (name));
1068 1389
1069 f->cs = cs; 1390 f->cs = cs;
1070 f->loaded = false; 1391 f->loaded = false;
1071 1392
1082 char buf[512]; 1403 char buf[512];
1083 const char *end; 1404 const char *end;
1084 1405
1085 do 1406 do
1086 { 1407 {
1087 while (*desc <= ' ') desc++; 1408 while (*desc && *desc <= ' ')
1409 desc++;
1410
1411 codeset cs = CS_UNICODE;
1088 1412
1089 if (*desc == '[') 1413 if (*desc == '[')
1090 { 1414 {
1091 fprintf (stderr, "extra font parameters not yet supported, skipping.\n"); 1415 char spec[256];
1092
1093 //const char *extra = desc++; // not yet used 1416 const char *extra = ++desc; // not yet used
1094 1417
1095 desc = strchr (desc, ']'); 1418 desc = strchr (desc, ']');
1096 1419
1097 if (!desc) 1420 if (!desc)
1098 { 1421 {
1099 fprintf (stderr, "ERROR: opening '[' without closing ']' in font specification.\n"); 1422 rxvt_warn ("ERROR: opening '[' without closing ']' in font specification, trying to continue.\n");
1100 break; 1423 break;
1101 } 1424 }
1425
1426 memcpy (spec, extra, min (desc - extra, 255));
1427 spec[min (desc - extra, 255)] = 0;
1428
1429 if (!strncmp (extra, "codeset=", sizeof ("codeset=") - 1))
1430 cs = codeset_from_name (spec + sizeof ("codeset=") - 1);
1431 else
1432 rxvt_warn ("unknown parameter '%s' in font specification, skipping.\n", spec);
1102 1433
1103 desc++; 1434 desc++;
1104 while (*desc <= ' ') desc++; 1435 while (*desc <= ' ') desc++;
1105 } 1436 }
1106 1437
1111 if (end - desc < 511) 1442 if (end - desc < 511)
1112 { 1443 {
1113 strncpy (buf, desc, end - desc); 1444 strncpy (buf, desc, end - desc);
1114 buf[end - desc] = 0; 1445 buf[end - desc] = 0;
1115 1446
1116 fonts.push_back (new_font (buf, CS_UNICODE)); 1447 fonts.push_back (new_font (buf, cs));
1117 } 1448 }
1449 else
1450 rxvt_warn ("fontset element too long (>511 bytes), ignored.");
1118 1451
1119 desc = end + 1; 1452 desc = end + 1;
1120 } 1453 }
1121 while (*end); 1454 while (*end);
1122 } 1455 }
1123} 1456}
1124 1457
1125bool 1458bool
1126rxvt_fontset::realize_font (int i) 1459rxvt_fontset::realize_font (int i)
1127{ 1460{
1461 if (i < 0 || i >= fonts.size ())
1462 return false;
1463
1128 if (fonts[i]->loaded) 1464 if (fonts[i]->loaded)
1129 return true; 1465 return true;
1130 1466
1131 fonts[i]->loaded = true; 1467 fonts[i]->loaded = true;
1132 1468
1133 if (!fonts[i]->load (base_prop)) 1469 if (!fonts[i]->load (prop))
1134 { 1470 {
1135 fonts[i]->cs = CS_UNKNOWN; 1471 fonts[i]->cs = CS_UNKNOWN;
1136 return false; 1472 return false;
1137 } 1473 }
1138 1474
1148 1484
1149 fonts.push_back (new_font (0, CS_UNICODE)); 1485 fonts.push_back (new_font (0, CS_UNICODE));
1150 realize_font (0); 1486 realize_font (0);
1151 1487
1152 add_fonts (desc); 1488 add_fonts (desc);
1153
1154 if (!base_id)
1155 base_id = 1;
1156
1157 // we currently need a base-font, no matter what
1158 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1159 {
1160 puts ("unable to load specified font (s), falling back to 'fixed'\n");
1161 add_fonts ("fixed");
1162 base_id = fonts.size () - 1;
1163 }
1164
1165 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1166 return false;
1167
1168 base_prop = fonts[base_id]->properties ();
1169 1489
1170 return true; 1490 return true;
1171} 1491}
1172 1492
1173int 1493int
1179 1499
1180 return -1; 1500 return -1;
1181} 1501}
1182 1502
1183int 1503int
1184rxvt_fontset::find_font (unicode_t unicode, bool bold) 1504rxvt_fontset::find_font (unicode_t unicode)
1185{ 1505{
1506 if (unicode >= 1<<20)
1507 return 0;
1186 1508
1187 for (unsigned int i = !!(0x20 <= unicode && unicode <= 0x7f); // skip pseudo-font for ascii 1509 unicode_t hi = unicode >> 8;
1188 i < fonts.size (); 1510
1189 i++) 1511 if (hi < fmap.size ()
1512 && fmap[hi]
1513 && (*fmap[hi])[unicode & 0xff] != 0xff)
1514 return (*fmap[hi])[unicode & 0xff];
1515
1516 unsigned int i;
1517
1518 for (i = 0; i < fonts.size (); i++)
1190 { 1519 {
1191 rxvt_font *f = fonts[i]; 1520 rxvt_font *f = fonts[i];
1192 1521
1193 if (!f->loaded) 1522 if (!f->loaded)
1194 { 1523 {
1195 if (FROM_UNICODE (f->cs, unicode) == NOCHAR) 1524 if (FROM_UNICODE (f->cs, unicode) == NOCHAR)
1196 goto next_font; 1525 goto next_font;
1197 1526
1198 if (!realize_font (i)) 1527 if (!realize_font (i))
1199 goto next_font; 1528 goto next_font;
1529
1530 if (prop.ascent != rxvt_fontprop::unset)
1531 max_it (f->ascent, prop.ascent);
1200 } 1532 }
1201 1533
1202 if (f->cs == CS_UNKNOWN) 1534 if (f->cs == CS_UNKNOWN)
1203 goto next_font; 1535 goto next_font;
1204 1536
1205 if (bold && f->properties ().weight < rxvt_fontprop::bold) 1537 bool careful;
1538 if (f->has_char (unicode, &prop, careful))
1539 {
1540 if (careful)
1541 i |= 128;
1542
1206 goto next_font; 1543 goto found;
1207 1544 }
1208 if (f->has_codepoint (unicode))
1209 return i;
1210 1545
1211 next_font: 1546 next_font:
1212 if (i == fonts.size () - 1) 1547 if (i == fonts.size () - 1)
1213 { 1548 {
1214 if (fallback->name) 1549 if (fallback->name)
1215 { 1550 {
1216 // search through the fallback list 1551 // search through the fallback list
1217 fonts.push_back (new_font (fallback->name, fallback->cs)); 1552 fonts.push_back (new_font (fallback->name, fallback->cs));
1218 fallback++; 1553 fallback++;
1219 } 1554 }
1220 else if (!bold) 1555 else
1221 { 1556 {
1222 // try to find a new font. 1557 // try to find a new font.
1223 // only xft currently supported, as there is no 1558 // only xft currently supported, as there is no
1224 // way to configure this and xft is easier to hack in, 1559 // way to configure this and xft is easier to hack in,
1225 // while x11 has more framework in place already. 1560 // while x11 has more framework in place already.
1226 // TODO: bold is being ignroed (obviously). 1561 // TODO: this is a real resource hog, xft takes ages(?)
1227#if XFT 1562#if XFT && USE_SLOW_LOOKUP
1228 // grab the first xft font that seems suitable 1563 // grab the first xft font that seems suitable
1229 FcPattern *p = FcPatternCreate (); 1564 FcPattern *p = FcPatternCreate ();
1230 1565
1231 FcCharSet *s = FcCharSetCreate (); 1566 FcCharSet *s = FcCharSetCreate ();
1232 FcCharSetAddChar (s, unicode); 1567 FcCharSetAddChar (s, unicode);
1233 FcPatternAddCharSet (p, FC_CHARSET, s); 1568 FcPatternAddCharSet (p, FC_CHARSET, s);
1234 // charsets don't help that much, as xft might return 1569 // charsets don't help that much, as xft might return
1235 // a non-matching font even if a better font is available :/ 1570 // a non-matching font even if a better font is available :/
1236 1571
1572 x x x x TODO prop might have unset contents
1237 FcPatternAddInteger (p, FC_PIXEL_SIZE, base_prop.height); 1573 FcPatternAddInteger (p, FC_PIXEL_SIZE, prop.height);
1238 FcPatternAddInteger (p, FC_WEIGHT, bold ? rxvt_fontprop::bold : base_prop.weight); 1574 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
1239 FcPatternAddInteger (p, FC_SLANT, base_prop.slant); 1575 FcPatternAddInteger (p, FC_SLANT, prop.slant);
1240 FcPatternAddBool (p, FC_MINSPACE, 1); 1576 FcPatternAddBool (p, FC_MINSPACE, 1);
1241 //FcPatternAddBool (p, FC_ANTIALIAS, 1); 1577 //FcPatternAddBool (p, FC_ANTIALIAS, 1);
1242 1578
1243 XftResult result; 1579 XftResult result;
1244 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 1580 FcPattern *match = XftFontMatch (term->xdisp, term->display->screen, p, &result);
1245 1581
1246 FcPatternDestroy (p); 1582 FcPatternDestroy (p);
1247 1583
1248 if (match) 1584 if (match)
1249 { 1585 {
1264#endif 1600#endif
1265 } 1601 }
1266 } 1602 }
1267 } 1603 }
1268 1604
1269 // if no bold font found, use a regular one 1605 /* we must return SOME font */
1270 if (bold) 1606 i = 0;
1271 return find_font (unicode);
1272 1607
1273 return 0; /* we must return SOME font */ 1608found:
1274} 1609 // found a font, cache it
1610 if (i < 255)
1611 {
1612 while (hi >= fmap.size ())
1613 fmap.push_back (0);
1275 1614
1615 if (!fmap[hi])
1616 {
1617 fmap[hi] = (pagemap *)new pagemap;
1618 memset (fmap[hi], 0xff, sizeof (pagemap));
1619 }
1276 1620
1621 (*fmap[hi])[unicode & 0xff] = i;
1622 }
1277 1623
1624 return i;
1625}
1626
1627
1628

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines