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

Comparing rxvt-unicode/src/defaultfont.C (file contents):
Revision 1.5 by pcg, Thu Dec 4 00:43:26 2003 UTC vs.
Revision 1.26 by pcg, Fri Feb 27 02:52:51 2004 UTC

1/*--------------------------------*-C-*---------------------------------*; 1/*--------------------------------*-C-*---------------------------------*;
2 * File: defaultfont.C 2 * File: defaultfont.C
3 *----------------------------------------------------------------------* 3 *----------------------------------------------------------------------*
4 * Copyright (c) 2003 Marc Lehmann rxvt@plan9.de> 4 * Copyright (c) 2003-2004 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
21 21
22#include "../config.h" 22#include "../config.h"
23#include "rxvt.h" 23#include "rxvt.h"
24#include "defaultfont.h" 24#include "defaultfont.h"
25 25
26#include <cstdlib>
27
26#define DISPLAY r->Xdisplay 28#define DISPLAY r->display->display
27#define DRAWABLE r->TermWin.vt
28#define GC r->TermWin.gc 29#define GC r->TermWin.gc
29 30
30const struct rxvt_fallback_font { 31const struct rxvt_fallback_font {
31 codeset cs; 32 codeset cs;
32 const char *name; 33 const char *name;
57 58
58 // japanese 59 // japanese
59#if ENCODING_JP || ENCODING_JP_EXT 60#if ENCODING_JP || ENCODING_JP_EXT
60# if XFT 61# if XFT
61 // prefer xft for complex scripts 62 // prefer xft for complex scripts
62 { CS_UNICODE, "xft:Kochi Gothic" }, 63 { CS_UNICODE, "xft:Kochi Gothic:antialias=false" },
63# endif 64# endif
64 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" }, 65 { CS_JIS0201_1976_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0201*-0" },
65 { CS_JIS0208_1983_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" }, 66 { CS_JIS0208_1983_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0208*-0" },
66 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" }, 67 { CS_JIS0212_1990_0, "-*-mincho-*-r-*--*-*-*-*-c-*-jisx0212*-0" },
67#endif 68#endif
68 69
69#if ENCODING_CN || ENCODING_CN_EXT 70#if ENCODING_CN || ENCODING_CN_EXT
70# if XFT 71# if XFT
71 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 72 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
72 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 73 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
73 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 74 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
74 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 75 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
75# endif 76# endif
77 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
76 { CS_CNS11643_1992_1, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-1" }, 78 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
77 { CS_CNS11643_1992_2, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-2" }, 79 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
78 { CS_CNS11643_1992_3, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-3" }, 80 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
79 { CS_CNS11643_1992_4, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-4" }, 81 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
80 { CS_CNS11643_1992_5, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-5" }, 82 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-5" },
81 { CS_CNS11643_1992_6, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-6" }, 83 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },
82 { CS_CNS11643_1992_7, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-7" }, 84 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },
83 { CS_CNS11643_1992_F, "-*-*-*-r-*-*-*-*-*-*-c-*-cns11643.1992-f" }, 85 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
84#endif 86#endif
85 87
86#if XFT 88#if XFT
87 { CS_UNICODE, "xft:Andale Mono" }, 89 { CS_UNICODE, "xft:Andale Mono" },
88 { CS_UNICODE, "xft:Arial Unicode MS" }, 90 { CS_UNICODE, "xft:Arial Unicode MS" },
89#endif 91#endif
90 { CS_UNICODE, "-*-lucidatypewriter-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 92 { CS_UNICODE, "-*-lucidatypewriter-*-*-*-*-*-*-*-*-m-*-iso10646-1" },
93 { CS_UNICODE, "xft:FreeMono" },
94 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
95 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
91 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 96 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
92 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
93 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
94 97
95 { CS_UNKNOWN, 0 } 98 { CS_UNKNOWN, 0 }
96}; 99};
97 100
98///////////////////////////////////////////////////////////////////////////// 101/////////////////////////////////////////////////////////////////////////////
99 102
103#if XFT
104rxvt_drawable::~rxvt_drawable ()
105{
106 if (xftdrawable)
107 XftDrawDestroy (xftdrawable);
108}
109
110rxvt_drawable::operator XftDraw *()
111{
112 if (!xftdrawable)
113 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
114
115 return xftdrawable;
116}
117#endif
118
119/////////////////////////////////////////////////////////////////////////////
120
100static void *enc_buf; 121static void *enc_buf;
101static uint32_t enc_len; 122static uint32_t enc_len;
102 123
103static inline void * 124static inline void *
104get_enc_buf (int len) 125get_enc_buf (uint32_t len)
105{ 126{
106 if (len > enc_len) 127 if (len > enc_len)
107 { 128 {
108 free (enc_buf); 129 free (enc_buf);
109 enc_buf = malloc (len); 130 enc_buf = malloc (len);
111 132
112 return enc_buf; 133 return enc_buf;
113} 134}
114 135
115static const char * 136static const char *
116enc_char (const text_t *text, int len, codeset cs, bool &zero) 137enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
117{ 138{
118 uint8_t *buf = (uint8_t *)get_enc_buf (len); 139 uint8_t *buf = (uint8_t *)get_enc_buf (len);
119 140
120 while (len--) 141 while (len--)
121 { 142 {
132 153
133 return (const char *)enc_buf; 154 return (const char *)enc_buf;
134} 155}
135 156
136static const XChar2b * 157static const XChar2b *
137enc_xchar2b (const text_t *text, int len, codeset cs, bool &zero) 158enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
138{ 159{
139 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 160 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b));
140 161
141 while (len--) 162 while (len--)
142 { 163 {
157} 178}
158 179
159///////////////////////////////////////////////////////////////////////////// 180/////////////////////////////////////////////////////////////////////////////
160 181
161void 182void
162rxvt_font::clear_rect (int x, int y, int w, int h, int color) 183rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color)
163{ 184{
164 if (color == Color_bg) 185 if (color == Color_bg)
165 XClearArea (DISPLAY, DRAWABLE, x, y, w, h, FALSE); 186 XClearArea (d.display->display, d, x, y, w, h, FALSE);
166 else if (color >= 0) 187 else if (color >= 0)
167 { 188 {
189#if XFT
190 XftDrawRect (d, &r->PixColors[color].c, x, y, w, h);
191#else
168 XSetForeground (DISPLAY, GC, r->PixColors[color]); 192 XSetForeground (d.display->display, GC, r->PixColors[color]);
169 XFillRectangle (DISPLAY, DRAWABLE, GC, x, y, w, h); 193 XFillRectangle (d.display->display, d, GC, x, y, w, h);
194#endif
170 } 195 }
171} 196}
172 197
173static const char *linedraw_cmds[128] = { 198static const char *linedraw_cmds[128] = {
174 "1hH", "2hH", "1vV", "2vV", 199 "1hH", "2hH", "1vV", "2vV",
220 245
221 // to be done 246 // to be done
222}; 247};
223 248
224struct rxvt_font_default : rxvt_font { 249struct rxvt_font_default : rxvt_font {
225 bool load (int maxheight) 250 rxvt_fontprop properties ()
251 {
252 rxvt_fontprop p;
253
254 p.width = p.height = 1;
255 p.weight = rxvt_fontprop::medium;
256 p.slant = rxvt_fontprop::roman;
257
258 return p;
259 }
260
261 bool load (const rxvt_fontprop &prop)
226 { 262 {
227 width = 1; height = 1; 263 width = 1; height = 1;
228 ascent = 1; descent = 0; 264 ascent = 1; descent = 0;
229 265
230 return true; 266 return true;
248 } 284 }
249 285
250 return false; 286 return false;
251 } 287 }
252 288
253 void draw (int x, int y, 289 void draw (rxvt_drawable &d, int x, int y,
254 const text_t *text, int len, 290 const text_t *text, int len,
255 int fg, int bg); 291 int fg, int bg);
256}; 292};
257 293
258void 294void
259rxvt_font_default::draw (int x, int y, 295rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
260 const text_t *text, int len, 296 const text_t *text, int len,
261 int fg, int bg) 297 int fg, int bg)
262{ 298{
263 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 299 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
264 300
265 XSetForeground (DISPLAY, GC, r->PixColors[fg]); 301 XSetForeground (d.display->display, GC, r->PixColors[fg]);
266 302
267 while (len--) 303 while (len--)
268 { 304 {
269 text_t t = *text++; 305 text_t t = *text++;
270 306
271 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500]) 307 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500])
272 { 308 {
273 const char *p = linedraw_cmds[t - 0x2500]; 309 const char *p = linedraw_cmds[t - 0x2500];
274 310
275 int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth ; 311 int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth - 1;
276 int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight; 312 int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight - 1;
277 313
278 XGCValues gcv; 314 XGCValues gcv;
279 315
280 while (*p) 316 while (*p)
281 { 317 {
282 switch (*p++) 318 switch (*p++)
283 { 319 {
284 case '1': 320 case '1':
285 gcv.line_width = 0; 321 gcv.line_width = 0;
286 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 322 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
287 break; 323 break;
288 324
289 case '2': 325 case '2':
290 gcv.line_width = 2; 326 gcv.line_width = 2;
291 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 327 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
292 break; 328 break;
293 329
294 case 'h': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y1, x1, y1); break; 330 case 'h': XDrawLine (d.display->display, d, GC, x0, y1, x1, y1); break;
295 case 'H': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x2, y1); break; 331 case 'H': XDrawLine (d.display->display, d, GC, x1, y1, x2, y1); break;
296 case 'v': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y0, x1, y1); break; 332 case 'v': XDrawLine (d.display->display, d, GC, x1, y0, x1, y1); break;
297 case 'V': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x1, y2); break; 333 case 'V': XDrawLine (d.display->display, d, GC, x1, y1, x1, y2); break;
298 case 'a': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y2, x2, y0); break; 334 case 'a': XDrawLine (d.display->display, d, GC, x0, y2, x2, y0); break;
299 case 'b': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y0, x2, y2); break; 335 case 'b': XDrawLine (d.display->display, d, GC, x0, y0, x2, y2); break;
300 } 336 }
301 } 337 }
302 338
303 gcv.line_width = 0; 339 gcv.line_width = 0;
304 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 340 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
305 } 341 }
306 else 342 else
307 switch (*text++) 343 switch (*text++)
308 { 344 {
309 case NOCHAR: 345 case NOCHAR:
310 case ZERO_WIDTH_CHAR: 346 case ZERO_WIDTH_CHAR:
311 break; 347 break;
312 default: 348 default:
313 XDrawRectangle (DISPLAY, DRAWABLE, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5); 349 XDrawRectangle (d.display->display, d, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5);
314 } 350 }
315 351
316 x += r->TermWin.fwidth; 352 x += r->TermWin.fwidth;
317 } 353 }
318} 354}
322struct rxvt_font_x11 : rxvt_font { 358struct rxvt_font_x11 : rxvt_font {
323 rxvt_font_x11 () { f = 0; } 359 rxvt_font_x11 () { f = 0; }
324 360
325 void clear (); 361 void clear ();
326 362
327 bool load (int maxheight); 363 rxvt_fontprop properties ();
364
365 bool load (const rxvt_fontprop &prop);
328 366
329 bool has_codepoint (uint32_t unicode); 367 bool has_codepoint (uint32_t unicode);
330 368
331 void draw (int x, int y, 369 void draw (rxvt_drawable &d, int x, int y,
332 const text_t *text, int len, 370 const text_t *text, int len,
333 int fg, int bg); 371 int fg, int bg);
334 372
335 XFontStruct *f; 373 XFontStruct *f;
336 codeset cs; 374 codeset cs;
337 bool enc2b, encm; 375 bool enc2b, encm;
338 376
339 const char *get_property (const char *property, const char *repl) const; 377 const char *get_property (XFontStruct *f, const char *property, const char *repl) const;
378 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
379 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
380 bool set_properties (rxvt_fontprop &p, const char *name);
340}; 381};
341 382
342const char * 383const char *
343rxvt_font_x11::get_property (const char *property, const char *repl) const 384rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const
344{ 385{
345 unsigned long value; 386 unsigned long value;
346 387
347 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value)) 388 if (XGetFontProperty (f, XInternAtom (DISPLAY, property, 0), &value))
348 return XGetAtomName (DISPLAY, value); 389 return XGetAtomName (DISPLAY, value);
349 else 390 else
350 return repl; 391 return repl;
351} 392}
352 393
394rxvt_fontprop
395rxvt_font_x11::properties ()
396{
397 rxvt_fontprop p;
398 set_properties (p, f);
399 return p;
400}
401
353bool 402bool
354rxvt_font_x11::load (int maxheight) 403rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
404{
405 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
406 p.height = height;
407 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
408 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
409
410 return true;
411}
412
413bool
414rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
415{
416 const char *weight = get_property (f, "WEIGHT_NAME", "medium");
417 const char *slant = get_property (f, "SLANT", "r");
418
419 unsigned long height;
420 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
421 return false;
422
423 unsigned long avgwidth;
424 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
425 avgwidth = 0;
426
427 return set_properties (p, height, weight, slant, avgwidth);
428}
429
430bool
431rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
432{
433 int slashes = 0;
434 const char *comp[12];
435
436 for (const char *c = name; *c; c++)
437 if (*c == '-')
438 {
439 comp[slashes++] = c + 1;
440 if (slashes >= 13)
441 break;
442 }
443
444 /* can we short-circuit the costly XLoadQueryFont? */
445 if (slashes >= 13
446 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
447 && (*comp[11] >= '0' && *comp[11] <= '9'))
448 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
449
450 XFontStruct *f = XLoadQueryFont (DISPLAY, name);
451
452 if (f)
453 {
454 // the font should really exist now. if not, we have a problem
455 // (e.g. if the user did xset fp rehash just when we were searching fonts).
456 // in that case, just return garbage.
457 bool ret = set_properties (p, f);
458 XFreeFont (DISPLAY, f);
459 return ret;
460 }
461 else
462 return false;
463}
464
465// fix the size of scalable fonts
466static void
467fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)
468{
469 int slashes = 0;
470 const char *size;
471
472 for (const char *c = name; *c; c++)
473 if (*c == '-')
474 {
475 if (slashes == 6)
476 size = c + 1;
477
478 if (++slashes >= 13)
479 break;
480 }
481
482 if (slashes >= 13 && size[0] == '0')
483 {
484 strncpy (buf, name, size - name);
485 buf += size - name;
486 buf += sprintf (buf, "%d", prop.height);
487 strcpy (buf, size + 1);
488 }
489 else
490 strcpy (buf, name);
491}
492
493bool
494rxvt_font_x11::load (const rxvt_fontprop &prop)
355{ 495{
356 clear (); 496 clear ();
497
498 char **list;
499 int count;
500 list = XListFonts (DISPLAY, name, 512, &count);
501 set_name (0);
502
503 if (!list)
504 return false;
505
506 int bestdiff = 0x7fffffff;
507 for (int i = 0; i < count; i++)
508 {
509 rxvt_fontprop p;
510 char fname[1024];
511 fix_scalable (fname, list[i], prop);
512
513 if (!set_properties (p, fname))
514 continue;
515
516 if (p.height > prop.height) // weed out too large fonts
517 continue;
518
519 int diff = (prop.height - p.height) * 32
520 + abs (prop.weight - p.weight)
521 + abs (prop.slant - p.slant );
522
523 if (!name // compare against best found so far
524 || diff < bestdiff)
525 {
526 set_name (strdup (fname));
527 bestdiff = diff;
528 }
529 }
530
531 XFreeFontNames (list);
532
533 if (!name)
534 return false;
357 535
358 f = XLoadQueryFont (DISPLAY, name); 536 f = XLoadQueryFont (DISPLAY, name);
359 537
360 if (!f) 538 if (!f)
361 return false; 539 return false;
362 540
363 unsigned long value;
364
365 const char *registry = get_property ("CHARSET_REGISTRY", 0); 541 const char *registry = get_property (f, "CHARSET_REGISTRY", 0);
366 const char *encoding = get_property ("CHARSET_ENCODING", 0); 542 const char *encoding = get_property (f, "CHARSET_ENCODING", 0);
367 543
368 if (registry && encoding) 544 if (registry && encoding)
369 { 545 {
370 char charset[64]; 546 char charset[64];
371 snprintf (charset, 64, "%s-%s", registry, encoding); 547 snprintf (charset, 64, "%s-%s", registry, encoding);
372 548
373 cs = codeset_from_name (charset); 549 cs = codeset_from_name (charset);
374 } 550 }
375 else 551 else
376 { 552 {
377 const char *charset = get_property ("FONT", 0); 553 const char *charset = get_property (f, "FONT", 0);
378 554
379 if (!charset) 555 if (!charset)
380 charset = name; 556 charset = name;
381 557
382 int count = 13; 558 int count = 13;
395 571
396 ascent = f->ascent; 572 ascent = f->ascent;
397 descent = f->descent; 573 descent = f->descent;
398 height = ascent + descent; 574 height = ascent + descent;
399 575
400 prop = false; 576 slow = false;
401 577
402 if (f->min_bounds.width == f->max_bounds.width) 578 if (f->min_bounds.width == f->max_bounds.width)
403 width = f->min_bounds.width; 579 width = f->min_bounds.width;
404 else if (f->per_char == NULL) 580 else if (f->per_char == NULL)
405 width = f->max_bounds.width; 581 width = f->max_bounds.width;
406 else 582 else
407 { 583 {
408 prop = true; 584 slow = true;
409 585
410 int N = f->max_char_or_byte2 - f->min_char_or_byte2; 586 int N = f->max_char_or_byte2 - f->min_char_or_byte2;
411 587
412 if (encm) 588 if (encm)
413 N += (f->max_byte1 - f->min_byte1) 589 N += (f->max_byte1 - f->min_byte1)
455 /* check wether the character exists in _this_ font. horrible. */ 631 /* check wether the character exists in _this_ font. horrible. */
456 XCharStruct *xcs; 632 XCharStruct *xcs;
457 633
458 if (encm) 634 if (encm)
459 { 635 {
460 int byte1 = ch >> 8; 636 unsigned char byte1 = ch >> 8;
461 int byte2 = ch & 255; 637 unsigned char byte2 = ch & 255;
462 638
463 if (byte1 < f->min_byte1 || byte1 > f->max_byte1 639 if (byte1 < f->min_byte1 || byte1 > f->max_byte1
464 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) 640 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
465 return false; 641 return false;
466 642
489 665
490 return true; 666 return true;
491} 667}
492 668
493void 669void
494rxvt_font_x11::draw (int x, int y, 670rxvt_font_x11::draw (rxvt_drawable &d, int x, int y,
495 const text_t *text, int len, 671 const text_t *text, int len,
496 int fg, int bg) 672 int fg, int bg)
497{ 673{
498 // this looks like a mess /. 674 // this looks like a mess /.
499 // and it is a mess /. 675 // and it is a mess /.
500 // yet we are trying to be perfect /. 676 // yet we are trying to be perfect /.
501 // but the result still isn't perfect /. 677 // but the result still isn't perfect /.
502 678
503 bool slow = prop 679 bool slow = this->slow
504 || width != r->TermWin.fwidth 680 || width != r->TermWin.fwidth
505 || height != r->TermWin.fheight; 681 || height != r->TermWin.fheight;
506 682
507 int base = r->TermWin.fbase; 683 int base = r->TermWin.fbase;
508 684
515 { 691 {
516 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 692 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
517 693
518 if (bg == Color_bg && !slow) 694 if (bg == Color_bg && !slow)
519 { 695 {
520 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 696 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
521 XDrawImageString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 697 XDrawImageString16 (d.display->display, d, GC, x, y + base, xc, len);
522 } 698 }
523 else 699 else
524 { 700 {
525 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 701 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
526 702
527 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 703 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
528 704
529 if (slow) 705 if (slow)
530 { 706 {
531 do 707 do
532 { 708 {
533 if (xc->byte1 || xc->byte2) 709 if (xc->byte1 || xc->byte2)
534 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 710 XDrawString16 (d.display->display, d, GC, x, y + base, xc, 1);
535 711
536 x += r->TermWin.fwidth; 712 x += r->TermWin.fwidth;
537 xc++; len--; 713 xc++; len--;
538 } 714 }
539 while (len); 715 while (len);
540 } 716 }
541 else 717 else
542 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 718 XDrawString16 (d.display->display, d, GC, x, y + base, xc, len);
543 } 719 }
544 } 720 }
545 else 721 else
546 { 722 {
547 const char *xc = enc_char (text, len, cs, slow); 723 const char *xc = enc_char (text, len, cs, slow);
548 724
549 if (bg == Color_bg && !slow) 725 if (bg == Color_bg && !slow)
550 { 726 {
551 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 727 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
552 XDrawImageString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 728 XDrawImageString (d.display->display, d, GC, x, y + base, xc, len);
553 } 729 }
554 else 730 else
555 { 731 {
556 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 732 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
557 733
558 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 734 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
559 735
560 if (slow) 736 if (slow)
561 { 737 {
562 do 738 do
563 { 739 {
564 if (*xc) 740 if (*xc)
565 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 741 XDrawString (d.display->display, d, GC, x, y + base, xc, 1);
566 742
567 x += r->TermWin.fwidth; 743 x += r->TermWin.fwidth;
568 xc++; len--; 744 xc++; len--;
569 } 745 }
570 while (len); 746 while (len);
571 } 747 }
572 else 748 else
573 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 749 XDrawString (d.display->display, d, GC, x, y + base, xc, len);
574 } 750 }
575 } 751 }
576} 752}
577 753
578///////////////////////////////////////////////////////////////////////////// 754/////////////////////////////////////////////////////////////////////////////
583//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables 759//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
584#define SWATHBITS 8 760#define SWATHBITS 8
585#endif 761#endif
586 762
587struct rxvt_font_xft : rxvt_font { 763struct rxvt_font_xft : rxvt_font {
588#if 0
589 enum {
590 SWATHCOUNT = 1 << (21 - UNIBITS),
591 SWATHSIZE = 1 << (SWATHBITS - 5)
592 };
593 typedef uint32_t swath[SWATHSIZE];
594
595 swath *cvr[SWATHCOUNT];
596#endif
597
598#if 0
599 void gen_coverage_swath (unsigned int page);
600
601 bool has_char (uint32_t ch)
602 {
603 unsigned int page = ch >> SWATHBITS;
604 unsigned int idx = ch & ((1 << SWATHBITS) - 1);
605
606 if (page >= SWATHCOUNT)
607 return false;
608
609 if (!cvr[page]) gen_coverage_swath (page);
610
611 return cvr[page][idx >> 5] & (1 << (idx & 31));
612 }
613#endif
614 rxvt_font_xft () { f = 0; d = 0; } 764 rxvt_font_xft () { f = 0; }
615 765
616 void clear (); 766 void clear ();
617 767
618 bool load (int maxheight); 768 rxvt_fontprop properties ();
619 769
620 void draw (int x, int y, 770 bool load (const rxvt_fontprop &prop);
771
772 void draw (rxvt_drawable &d, int x, int y,
621 const text_t *text, int len, 773 const text_t *text, int len,
622 int fg, int bg); 774 int fg, int bg);
623 775
624 bool has_codepoint (uint32_t unicode); 776 bool has_codepoint (uint32_t unicode);
625 777
626protected: 778protected:
627 XftFont *f; 779 XftFont *f;
628 XftDraw *d;
629
630#if 0
631 virtual void populate_coverage_swath (uint32_t lo, uint32_t hi) = 0;
632 void set_swath (uint32_t ch)
633 {
634 cvr[ch >> SWATHBITS] |= 1 << (ch & ((1 << SWATHBITS) - 1));
635 }
636#endif
637}; 780};
638 781
639void 782void
640rxvt_font_xft::clear () 783rxvt_font_xft::clear ()
641{ 784{
642 if (f) 785 if (f)
643 { 786 {
644 XftFontClose (DISPLAY, f); 787 XftFontClose (DISPLAY, f);
645 f = 0; 788 f = 0;
646 } 789 }
790}
647 791
648 if (d) 792rxvt_fontprop
649 { 793rxvt_font_xft::properties ()
650 XftDrawDestroy (d); 794{
651 d = 0; 795 rxvt_fontprop p;
652 }
653 796
654#if 0 797 FT_Face face = XftLockFace (f);
655 for (int i = 0; i < SWATHCOUNT; i++) 798
656 delete cvr[i]; 799 p.width = width; p.height = height;
657#endif 800 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium;
801 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman;
802
803 XftUnlockFace (f);
804
805 return p;
658} 806}
659 807
660bool 808bool
661rxvt_font_xft::load (int maxheight) 809rxvt_font_xft::load (const rxvt_fontprop &prop)
662{ 810{
663#if 0 811#if 0
664 for (int i = 0; i < SWATHCOUNT; i++) 812 for (int i = 0; i < SWATHCOUNT; i++)
665 cvr[i] = 0; 813 cvr[i] = 0;
666#endif 814#endif
667 815
668 clear (); 816 clear ();
669 817
670 f = XftFontOpenName (DISPLAY, DefaultScreen (DISPLAY), name); 818 FcPattern *p = FcNameParse ((FcChar8 *) name);
819
820 if (!p)
821 return false;
822
823 FcValue v;
824
825 if (FcPatternGet (p, FC_WEIGHT, 0, &v) != FcResultMatch)
826 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
827
828 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
829 FcPatternAddInteger (p, FC_SLANT, prop.slant);
830
831#if 0 // clipping unfortunately destroys our precious double-width-characters
832 // clip width, we can't do better, or can we?
833 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
834 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
835#endif
836
837 //FcPatternAddBool (p, FC_MINSPACE, 1);
838
839 XftResult result;
840 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
841
842 FcPatternDestroy (p);
843
844 if (!match)
845 return false;
846
847 f = XftFontOpenPattern (DISPLAY, match);
671 848
672 if (!f) 849 if (!f)
850 {
851 FcPatternDestroy (match);
673 return false; 852 return false;
853 }
674 854
675 FT_Face face = XftLockFace (f); 855 FT_Face face = XftLockFace (f);
676 856
677 prop = !FT_IS_FIXED_WIDTH (face); 857 slow = !FT_IS_FIXED_WIDTH (face);
678 858
679 int ftheight = 0; 859 int ftheight = 0;
680 860
681 for (;;) 861 for (;;)
682 { 862 {
684 FcChar8 c; 864 FcChar8 c;
685 865
686 c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1); 866 c = 'i'; XftTextExtents8 (DISPLAY, f, &c, 1, &g1);
687 c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2); 867 c = 'W'; XftTextExtents8 (DISPLAY, f, &c, 1, &g2);
688 868
689 prop = prop || g1.xOff != g2.xOff; // don't simply trust the font 869 if (g1.xOff != g2.xOff) // don't simply trust the font
870 slow = true;
690 871
691 width = g2.xOff; 872 width = g2.xOff;
692 ascent = (face->size->metrics.ascender + 63) >> 6; 873 ascent = (face->size->metrics.ascender + 63) >> 6;
693 descent = (-face->size->metrics.descender + 63) >> 6; 874 descent = (-face->size->metrics.descender + 63) >> 6;
694 height = ascent + descent; 875 height = ascent + descent;
695 876
696 if (height <= maxheight || !maxheight) 877 if (height <= prop.height || !prop.height)
697 break; 878 break;
698 879
699 if (ftheight) 880 if (ftheight)
700 { 881 {
701 // take smaller steps near the end 882 // take smaller steps near the end
702 if (height > maxheight + 1) ftheight++; 883 if (height > prop.height + 1) ftheight++;
703 if (height > maxheight + 2) ftheight++; 884 if (height > prop.height + 2) ftheight++;
704 if (height > maxheight + 3) ftheight++; 885 if (height > prop.height + 3) ftheight++;
705 886
706 FT_Set_Pixel_Sizes (face, 0, ftheight -= height - maxheight); 887 FT_Set_Pixel_Sizes (face, 0, ftheight -= height - prop.height);
707 } 888 }
708 else 889 else
709 FT_Set_Pixel_Sizes (face, 0, ftheight = maxheight); 890 FT_Set_Pixel_Sizes (face, 0, ftheight = prop.height);
710 } 891 }
711 892
712 XftUnlockFace (f); 893 XftUnlockFace (f);
713 894
714 return true; 895 return true;
715} 896}
716
717#if 0
718void rxvt_font::gen_coverage_swath (unsigned int page)
719{
720 cvr[page] = new swath;
721
722 for (int i = 0; i < SWATHSIZE; i++)
723 cvr[page][i] = 0;
724
725 populate_coverage_swath (cvr[page], page << SWATHBITS, ((page + 1) << SWATHBITS) - 1);
726}
727#endif
728 897
729bool 898bool
730rxvt_font_xft::has_codepoint (uint32_t unicode) 899rxvt_font_xft::has_codepoint (uint32_t unicode)
731{ 900{
732 return XftCharExists (DISPLAY, f, unicode); 901 return XftCharExists (DISPLAY, f, unicode);
733} 902}
734 903
735void 904void
736rxvt_font_xft::draw (int x, int y, 905rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
737 const text_t *text, int len, 906 const text_t *text, int len,
738 int fg, int bg) 907 int fg, int bg)
739{ 908{
740 if (!d)
741 {
742 dR;
743 d = XftDrawCreate (DISPLAY, DRAWABLE, XVISUAL, XCMAP);
744 }
745
746 if (bg >= 0 && bg != Color_bg)
747 XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight);
748 else
749 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 909 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
750 910
751 if (!prop && width == r->TermWin.fwidth) 911 if (!slow && width == r->TermWin.fwidth && 0)
752 { 912 {
753 if (sizeof (text_t) == sizeof (FcChar16)) 913 if (sizeof (text_t) == sizeof (FcChar16))
754 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); 914 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
755 else 915 else
756 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); 916 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
759 { 919 {
760 while (len) 920 while (len)
761 { 921 {
762 if (*text != NOCHAR && *text != ' ') 922 if (*text != NOCHAR && *text != ' ')
763 { 923 {
924 int fwidth = r->TermWin.fwidth;
925 if (len >= 2 && text[1] == NOCHAR)
926 fwidth *= 2;
927
928 XGlyphInfo extents;
764 if (sizeof (text_t) == sizeof (FcChar16)) 929 if (sizeof (text_t) == sizeof (FcChar16))
765 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, 1); 930 {
931 XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);
932 XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
933 y + r->TermWin.fbase, (const FcChar16 *)text, 1);
934 }
766 else 935 else
767 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, 1); 936 {
937 XGlyphInfo extents;
938 XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);
939 XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
940 y + r->TermWin.fbase, (const FcChar32 *)text, 1);
941 }
768 } 942 }
769 943
770 x += r->TermWin.fwidth; 944 x += r->TermWin.fwidth;
771 text++; 945 text++;
772 len--; 946 len--;
776#endif 950#endif
777 951
778///////////////////////////////////////////////////////////////////////////// 952/////////////////////////////////////////////////////////////////////////////
779 953
780rxvt_fontset::rxvt_fontset (rxvt_t r) 954rxvt_fontset::rxvt_fontset (rxvt_t r)
781#ifdef EXPLICIT_CONTEXT
782: r(r) 955: r (r)
783#endif
784{ 956{
785 clear (); 957 clear ();
786} 958}
787 959
788rxvt_fontset::~rxvt_fontset () 960rxvt_fontset::~rxvt_fontset ()
791} 963}
792 964
793void 965void
794rxvt_fontset::clear () 966rxvt_fontset::clear ()
795{ 967{
796 for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++) 968 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
797 FONT_UNREF (*i); 969 FONT_UNREF (*i);
798 970
799 fonts.clear (); 971 fonts.clear ();
800 base_id = 0; 972 base_id = 0;
801 height = 0x7fffffff; 973 base_prop.height = 0x7fffffff;
974 base_prop.weight = rxvt_fontprop::medium;
975 base_prop.slant = rxvt_fontprop::roman;
802 976
803 fallback = fallback_fonts; 977 fallback = fallback_fonts;
804} 978}
805 979
806rxvt_font * 980rxvt_font *
853 1027
854 if (*desc == '[') 1028 if (*desc == '[')
855 { 1029 {
856 fprintf (stderr, "extra font parameters not yet supported, skipping.\n"); 1030 fprintf (stderr, "extra font parameters not yet supported, skipping.\n");
857 1031
858 const char *extra = desc++; 1032 //const char *extra = desc++; // not yet used
859 1033
860 desc = strchr (desc, ']'); 1034 desc = strchr (desc, ']');
861 1035
862 if (!desc) 1036 if (!desc)
863 { 1037 {
893 if (fonts[i]->loaded) 1067 if (fonts[i]->loaded)
894 return true; 1068 return true;
895 1069
896 fonts[i]->loaded = true; 1070 fonts[i]->loaded = true;
897 1071
898 if (!fonts[i]->load (height)) 1072 if (!fonts[i]->load (base_prop))
899 { 1073 {
900 fonts[i]->cs = CS_UNKNOWN; 1074 fonts[i]->cs = CS_UNKNOWN;
901 return false; 1075 return false;
902 } 1076 }
903 1077
904 return true; 1078 return true;
905} 1079}
906 1080
907void 1081bool
908rxvt_fontset::populate (const char *desc) 1082rxvt_fontset::populate (const char *desc)
909{ 1083{
910 clear (); 1084 clear ();
911 1085
912 fonts.push_back (new_font (0, CS_UNICODE)); 1086 fonts.push_back (new_font (0, CS_UNICODE));
916 1090
917 if (!base_id) 1091 if (!base_id)
918 base_id = 1; 1092 base_id = 1;
919 1093
920 // we currently need a base-font, no matter what 1094 // we currently need a base-font, no matter what
921 if (fonts.size () <= base_id) 1095 if ((int)fonts.size () <= base_id || !realize_font (base_id))
922 { 1096 {
1097 puts ("unable to load specified font (s), falling back to 'fixed'\n");
923 add_fonts ("fixed"); 1098 add_fonts ("fixed");
924 base_id = 1; 1099 base_id = fonts.size () - 1;
925 } 1100 }
926 1101
927 if (fonts.size () <= base_id || !realize_font (base_id)) 1102 if ((int)fonts.size () <= base_id || !realize_font (base_id))
928 { 1103 return false;
929 fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n");
930 exit (1);
931 }
932 1104
933 height = fonts[base_id]->height; 1105 base_prop = fonts[base_id]->properties ();
934 1106
935 /*add_fonts ("-efont-fixed-medium-r-normal-*-14-*-*-*-*-*-iso10646-1,"*/ 1107 return true;
936} 1108}
937 1109
938int 1110int
939rxvt_fontset::find_font (uint32_t unicode) 1111rxvt_fontset::find_font (uint32_t unicode)
940{ 1112{
941 for (int i = 0; i < fonts.size (); i++) 1113 for (unsigned int i = 0; i < fonts.size (); i++)
942 { 1114 {
943 rxvt_font *f = fonts[i]; 1115 rxvt_font *f = fonts[i];
944 1116
945 if (!f->loaded) 1117 if (!f->loaded)
946 { 1118 {

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines