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Comparing rxvt-unicode/src/defaultfont.C (file contents):
Revision 1.9 by pcg, Wed Dec 24 06:26:52 2003 UTC vs.
Revision 1.37 by pcg, Fri Mar 5 05:52:02 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
23#include "rxvt.h" 23#include "rxvt.h"
24#include "defaultfont.h" 24#include "defaultfont.h"
25 25
26#include <cstdlib> 26#include <cstdlib>
27 27
28#define DISPLAY r->Xdisplay 28#define DISPLAY r->display->display
29#define DRAWABLE r->TermWin.vt
30#define GC r->TermWin.gc 29#define GC r->TermWin.gc
31 30
32const struct rxvt_fallback_font { 31const struct rxvt_fallback_font {
33 codeset cs; 32 codeset cs;
34 const char *name; 33 const char *name;
73 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" }, 72 { CS_BIG5_EXT, "xft:AR PL Mingti2L Big5" },
74 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" }, 73 { CS_BIG5_EXT, "xft:AR PL KaitiM Big5" },
75 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" }, 74 { CS_GB2312_1980_0, "xft:AR PL KaitiM GB" },
76 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" }, 75 { CS_GB2312_1980_0, "xft:AR PL SungtiL GB" },
77# endif 76# endif
77 { CS_BIG5, "-*-*-*-*-*-*-*-*-*-*-c-*-big5-0" },
78 { CS_BIG5_PLUS, "-*-*-*-*-*-*-*-*-*-*-c-*-big5p-0" },
79 { CS_BIG5_EXT, "-*-*-*-*-*-*-*-*-*-*-c-*-big5.eten-0" },
80 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-gb2312*-0" },
78 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-1" }, 81 { CS_CNS11643_1992_1, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-1" },
79 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-2" }, 82 { CS_CNS11643_1992_2, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-2" },
80 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-3" }, 83 { CS_CNS11643_1992_3, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-3" },
81 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-4" }, 84 { CS_CNS11643_1992_4, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-4" },
82 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-5" }, 85 { CS_CNS11643_1992_5, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-5" },
83 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-6" }, 86 { CS_CNS11643_1992_6, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-6" },
84 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-7" }, 87 { CS_CNS11643_1992_7, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-7" },
85 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643.1992-f" }, 88 { CS_CNS11643_1992_F, "-*-*-*-*-*-*-*-*-*-*-c-*-cns11643*-f" },
86#endif 89#endif
87 90
88#if XFT 91#if XFT
89 { CS_UNICODE, "xft:Andale Mono" }, 92 { CS_UNICODE, "xft:Andale Mono" },
90 { CS_UNICODE, "xft:Arial Unicode MS" }, 93 { CS_UNICODE, "xft:Arial Unicode MS" },
93 { CS_UNICODE, "xft:FreeMono" }, 96 { CS_UNICODE, "xft:FreeMono" },
94 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" }, 97 { CS_UNICODE, "-*-unifont-*-*-*-*-*-*-*-*-c-*-iso10646-1" },
95 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" }, 98 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-c-*-iso10646-1" },
96 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" }, 99 { CS_UNICODE, "-*-*-*-r-*-*-*-*-*-*-m-*-iso10646-1" },
97 100
101#if UNICODE_3 && XFT
102 { CS_UNICODE, "xft:Code2001" }, // contains many plane-1 characters
103#endif
104
98 { CS_UNKNOWN, 0 } 105 { CS_UNKNOWN, 0 }
99}; 106};
100 107
101///////////////////////////////////////////////////////////////////////////// 108/////////////////////////////////////////////////////////////////////////////
102 109
110#if XFT
111rxvt_drawable::~rxvt_drawable ()
112{
113 if (xftdrawable)
114 XftDrawDestroy (xftdrawable);
115}
116
117rxvt_drawable::operator XftDraw *()
118{
119 if (!xftdrawable)
120 xftdrawable = XftDrawCreate (display->display, drawable, display->visual, display->cmap);
121
122 return xftdrawable;
123}
124#endif
125
126/////////////////////////////////////////////////////////////////////////////
127
103static void *enc_buf; 128static void *enc_buf;
104static uint32_t enc_len; 129static uint32_t enc_len;
105 130
106static inline void * 131static inline void *
107get_enc_buf (int len) 132get_enc_buf (uint32_t len)
108{ 133{
109 if (len > enc_len) 134 if (len > enc_len)
110 { 135 {
111 free (enc_buf); 136 free (enc_buf);
112 enc_buf = malloc (len); 137 enc_buf = malloc (len);
114 139
115 return enc_buf; 140 return enc_buf;
116} 141}
117 142
118static const char * 143static const char *
119enc_char (const text_t *text, int len, codeset cs, bool &zero) 144enc_char (const text_t *text, uint32_t len, codeset cs, bool &zero)
120{ 145{
121 uint8_t *buf = (uint8_t *)get_enc_buf (len); 146 uint8_t *buf = (uint8_t *)get_enc_buf (len);
122 147
123 while (len--) 148 while (len--)
124 { 149 {
135 160
136 return (const char *)enc_buf; 161 return (const char *)enc_buf;
137} 162}
138 163
139static const XChar2b * 164static const XChar2b *
140enc_xchar2b (const text_t *text, int len, codeset cs, bool &zero) 165enc_xchar2b (const text_t *text, uint32_t len, codeset cs, bool &zero)
141{ 166{
142 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b)); 167 XChar2b *buf = (XChar2b *)get_enc_buf (len * sizeof (XChar2b));
143 168
144 while (len--) 169 while (len--)
145 { 170 {
160} 185}
161 186
162///////////////////////////////////////////////////////////////////////////// 187/////////////////////////////////////////////////////////////////////////////
163 188
164void 189void
165rxvt_font::clear_rect (int x, int y, int w, int h, int color) 190rxvt_font::clear_rect (rxvt_drawable &d, int x, int y, int w, int h, int color)
166{ 191{
167 if (color == Color_bg) 192 if (color == Color_bg)
168 XClearArea (DISPLAY, DRAWABLE, x, y, w, h, FALSE); 193 XClearArea (d.display->display, d, x, y, w, h, FALSE);
169 else if (color >= 0) 194 else if (color >= 0)
170 { 195 {
196#if XFT
197 XftDrawRect (d, &r->PixColors[color].c, x, y, w, h);
198#else
171 XSetForeground (DISPLAY, GC, r->PixColors[color]); 199 XSetForeground (d.display->display, GC, r->PixColors[color]);
172 XFillRectangle (DISPLAY, DRAWABLE, GC, x, y, w, h); 200 XFillRectangle (d.display->display, d, GC, x, y, w, h);
201#endif
173 } 202 }
174} 203}
175 204
176static const char *linedraw_cmds[128] = { 205static const char *linedraw_cmds[128] = {
177 "1hH", "2hH", "1vV", "2vV", 206 "1hH", "2hH", "1vV", "2vV",
227struct rxvt_font_default : rxvt_font { 256struct rxvt_font_default : rxvt_font {
228 rxvt_fontprop properties () 257 rxvt_fontprop properties ()
229 { 258 {
230 rxvt_fontprop p; 259 rxvt_fontprop p;
231 260
232 p.height = 1; 261 p.width = p.height = 1;
233 p.weight = rxvt_fontprop::medium; 262 p.weight = rxvt_fontprop::medium;
234 p.slant = rxvt_fontprop::roman; 263 p.slant = rxvt_fontprop::roman;
235 264
236 return p; 265 return p;
237 } 266 }
246 275
247 bool has_codepoint (uint32_t unicode) 276 bool has_codepoint (uint32_t unicode)
248 { 277 {
249 if (unicode <= 0x001f) 278 if (unicode <= 0x001f)
250 return true; 279 return true;
280
251 if (unicode >= 0x0080 && unicode <= 0x009f) 281 if (unicode >= 0x0080 && unicode <= 0x009f)
252 return true; 282 return true;
253 283
254 if (unicode >= 0x2500 && unicode <= 0x257f 284 if (unicode >= 0x2500 && unicode <= 0x257f
255 && linedraw_cmds[unicode - 0x2500]) 285 && linedraw_cmds[unicode - 0x2500])
286 return true;
287
288 if (IS_COMPOSE (unicode))
256 return true; 289 return true;
257 290
258 switch (unicode) 291 switch (unicode)
259 { 292 {
260 case ZERO_WIDTH_CHAR: 293 case ZERO_WIDTH_CHAR:
262 } 295 }
263 296
264 return false; 297 return false;
265 } 298 }
266 299
267 void draw (int x, int y, 300 void draw (rxvt_drawable &d, int x, int y,
268 const text_t *text, int len, 301 const text_t *text, int len,
269 int fg, int bg); 302 int fg, int bg);
270}; 303};
271 304
272void 305void
273rxvt_font_default::draw (int x, int y, 306rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
274 const text_t *text, int len, 307 const text_t *text, int len,
275 int fg, int bg) 308 int fg, int bg)
276{ 309{
277 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 310 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
278 311
279 XSetForeground (DISPLAY, GC, r->PixColors[fg]); 312 XSetForeground (d.display->display, GC, r->PixColors[fg]);
280 313
281 while (len--) 314 while (len--)
282 { 315 {
316 compose_char *cc;
283 text_t t = *text++; 317 text_t t = *text++;
284 318
319 // is it in our linedrawing table?
285 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500]) 320 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500])
286 { 321 {
287 const char *p = linedraw_cmds[t - 0x2500]; 322 const char *p = linedraw_cmds[t - 0x2500];
288 323
289 int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth ; 324 int x0 = x, x1 = x + (r->TermWin.fwidth - 1) / 2, x2 = x + r->TermWin.fwidth - 1;
290 int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight; 325 int y0 = y, y1 = y + (r->TermWin.fheight - 1) / 2, y2 = y + r->TermWin.fheight - 1;
291 326
292 XGCValues gcv; 327 XGCValues gcv;
293 328
294 while (*p) 329 while (*p)
295 { 330 {
296 switch (*p++) 331 switch (*p++)
297 { 332 {
298 case '1': 333 case '1':
299 gcv.line_width = 0; 334 gcv.line_width = 0;
300 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 335 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
301 break; 336 break;
302 337
303 case '2': 338 case '2':
304 gcv.line_width = 2; 339 gcv.line_width = 2;
305 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 340 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
306 break; 341 break;
307 342
308 case 'h': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y1, x1, y1); break; 343 case 'h': XDrawLine (d.display->display, d, GC, x0, y1, x1, y1); break;
309 case 'H': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x2, y1); break; 344 case 'H': XDrawLine (d.display->display, d, GC, x1, y1, x2, y1); break;
310 case 'v': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y0, x1, y1); break; 345 case 'v': XDrawLine (d.display->display, d, GC, x1, y0, x1, y1); break;
311 case 'V': XDrawLine (DISPLAY, DRAWABLE, GC, x1, y1, x1, y2); break; 346 case 'V': XDrawLine (d.display->display, d, GC, x1, y1, x1, y2); break;
312 case 'a': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y2, x2, y0); break; 347 case 'a': XDrawLine (d.display->display, d, GC, x0, y2, x2, y0); break;
313 case 'b': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y0, x2, y2); break; 348 case 'b': XDrawLine (d.display->display, d, GC, x0, y0, x2, y2); break;
314 } 349 }
315 } 350 }
316 351
317 gcv.line_width = 0; 352 gcv.line_width = 0;
318 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 353 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
354 }
355 else if (IS_COMPOSE (t) && (cc = rxvt_composite[t]))
356 {
357 rxvt_font *f1 = (*fs)[fs->find_font (cc->c1)];
358 f1->draw (d, x, y, &(t = cc->c1), 1, fg, bg);
359 if (cc->c2 != NOCHAR)
360 {
361 // prefer font of first character, for no good reasons
362 rxvt_font *f2 = f1->has_codepoint (cc->c2)
363 ? f1
364 : (*fs)[fs->find_font (cc->c2)];
365
366 f2->draw (d, x, y, &(t = cc->c2), 1, fg, -1);
367 }
319 } 368 }
320 else 369 else
321 switch (*text++) 370 switch (t)
322 { 371 {
323 case NOCHAR:
324 case ZERO_WIDTH_CHAR: 372 case ZERO_WIDTH_CHAR:
325 break; 373 break;
326 default: 374 default:
327 XDrawRectangle (DISPLAY, DRAWABLE, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5); 375 int w = 0;
376 while (len > 0 && *text == NOCHAR)
377 {
378 ++text;
379 --len;
380 w += r->TermWin.fwidth;
381 }
382
383 XDrawRectangle (d.display->display, d, GC, x + 2, y + 2,
384 w + r->TermWin.fwidth - 5, r->TermWin.fheight - 5);
385 x += w;
328 } 386 }
329 387
330 x += r->TermWin.fwidth; 388 x += r->TermWin.fwidth;
331 } 389 }
332} 390}
337 rxvt_font_x11 () { f = 0; } 395 rxvt_font_x11 () { f = 0; }
338 396
339 void clear (); 397 void clear ();
340 398
341 rxvt_fontprop properties (); 399 rxvt_fontprop properties ();
342 rxvt_fontprop properties (XFontStruct *f);
343 400
344 bool load (const rxvt_fontprop &prop); 401 bool load (const rxvt_fontprop &prop);
345 402
346 bool has_codepoint (uint32_t unicode); 403 bool has_codepoint (uint32_t unicode);
347 404
348 void draw (int x, int y, 405 void draw (rxvt_drawable &d, int x, int y,
349 const text_t *text, int len, 406 const text_t *text, int len,
350 int fg, int bg); 407 int fg, int bg);
351 408
352 XFontStruct *f; 409 XFontStruct *f;
353 codeset cs; 410 codeset cs;
354 bool enc2b, encm; 411 bool enc2b, encm;
355 412
356 const char *get_property (XFontStruct *f, const char *property, const char *repl) const; 413 const char *get_property (XFontStruct *f, const char *property, const char *repl) const;
414 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
415 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
416 bool set_properties (rxvt_fontprop &p, const char *name);
357}; 417};
358 418
359const char * 419const char *
360rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 420rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const
361{ 421{
368} 428}
369 429
370rxvt_fontprop 430rxvt_fontprop
371rxvt_font_x11::properties () 431rxvt_font_x11::properties ()
372{ 432{
373 return properties (f);
374}
375
376rxvt_fontprop
377rxvt_font_x11::properties (XFontStruct *f)
378{
379 rxvt_fontprop p; 433 rxvt_fontprop p;
434 set_properties (p, f);
435 return p;
436}
380 437
438bool
439rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
440{
441 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
442 p.height = height;
443 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
444 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
445
446 return true;
447}
448
449bool
450rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
451{
381 const char *weight = get_property (f, "WEIGHT_NAME", "medium"); 452 const char *weight = get_property (f, "WEIGHT_NAME", "medium");
382 const char *slant = get_property (f, "SLANT", "r"); 453 const char *slant = get_property (f, "SLANT", "r");
383 454
384 p.height = height; 455 unsigned long height;
385 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 456 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
386 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 457 return false;
387 458
388 return p; 459 unsigned long avgwidth;
460 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
461 avgwidth = 0;
462
463 return set_properties (p, height, weight, slant, avgwidth);
464}
465
466bool
467rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
468{
469 int slashes = 0;
470 const char *comp[13];
471
472 for (const char *c = name; *c; c++)
473 if (*c == '-')
474 {
475 comp[slashes++] = c + 1;
476 if (slashes >= 13)
477 break;
478 }
479
480 /* can we short-circuit the costly XLoadQueryFont? */
481 if (slashes >= 13
482 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
483 && (*comp[11] >= '0' && *comp[11] <= '9'))
484 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
485
486 XFontStruct *f = XLoadQueryFont (DISPLAY, name);
487
488 if (f)
489 {
490 // the font should really exist now. if not, we have a problem
491 // (e.g. if the user did xset fp rehash just when we were searching fonts).
492 // in that case, just return garbage.
493 bool ret = set_properties (p, f);
494 XFreeFont (DISPLAY, f);
495 return ret;
496 }
497 else
498 return false;
499}
500
501// fix the size of scalable fonts
502static void
503fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)
504{
505 int slashes = 0;
506 const char *size;
507
508 for (const char *c = name; *c; c++)
509 if (*c == '-')
510 {
511 if (slashes == 6)
512 size = c + 1;
513
514 if (++slashes >= 13)
515 break;
516 }
517
518 if (slashes >= 13 && size[0] == '0')
519 {
520 strncpy (buf, name, size - name);
521 buf += size - name;
522 buf += sprintf (buf, "%d", prop.height);
523 strcpy (buf, size + 1);
524 }
525 else
526 strcpy (buf, name);
389} 527}
390 528
391bool 529bool
392rxvt_font_x11::load (const rxvt_fontprop &prop) 530rxvt_font_x11::load (const rxvt_fontprop &prop)
393{ 531{
394 clear (); 532 clear ();
395 533
396 char **list; 534 char **list;
397 int count; 535 int count;
398 XFontStruct *info;
399 list = XListFontsWithInfo (DISPLAY, name, 128, &count, &info); 536 list = XListFonts (DISPLAY, name, 512, &count);
537 set_name (0);
400 538
401 if (!list) 539 if (!list)
402 return false; 540 return false;
403 541
404 int bestdiff = 0x7fffffff; 542 int bestdiff = 0x7fffffff;
405 XFontStruct *best = 0;
406 for (int i = 0; i < count; i++) 543 for (int i = 0; i < count; i++)
407 { 544 {
408 XFontStruct *f = info + i; 545 rxvt_fontprop p;
546 char fname[1024];
547 fix_scalable (fname, list[i], prop);
409 548
549 if (!set_properties (p, fname))
550 continue;
551
410 if (f->ascent + f->descent <= prop.height) // weed out too large fonts 552 if (p.height > prop.height) // weed out too large fonts
411 { 553 continue;
412 rxvt_fontprop p = properties (f); 554
413 int diff = (prop.height - f->ascent + f->descent) * 32 555 int diff = (prop.height - p.height) * 32
414 + abs (prop.weight - p.weight) 556 + abs (prop.weight - p.weight)
415 + abs (prop.slant - p.slant ); 557 + abs (prop.slant - p.slant );
416 558
417 if (!best // compare against best found so far 559 if (!name // compare against best found so far
418 || diff < bestdiff) 560 || diff < bestdiff)
419 { 561 {
420 best = f; 562 set_name (strdup (fname));
421 bestdiff = diff; 563 bestdiff = diff;
422 } 564 }
423 }
424 } 565 }
425 566
567 XFreeFontNames (list);
568
426 if (!best) 569 if (!name)
427 return false; 570 return false;
428
429 set_name (strdup (list[best - info]));
430
431 XFreeFontInfo (list, info, count);
432 571
433 f = XLoadQueryFont (DISPLAY, name); 572 f = XLoadQueryFont (DISPLAY, name);
434 573
435 if (!f) 574 if (!f)
436 return false; 575 return false;
437
438 unsigned long value;
439 576
440 const char *registry = get_property (f, "CHARSET_REGISTRY", 0); 577 const char *registry = get_property (f, "CHARSET_REGISTRY", 0);
441 const char *encoding = get_property (f, "CHARSET_ENCODING", 0); 578 const char *encoding = get_property (f, "CHARSET_ENCODING", 0);
442 579
443 if (registry && encoding) 580 if (registry && encoding)
530 /* check wether the character exists in _this_ font. horrible. */ 667 /* check wether the character exists in _this_ font. horrible. */
531 XCharStruct *xcs; 668 XCharStruct *xcs;
532 669
533 if (encm) 670 if (encm)
534 { 671 {
535 int byte1 = ch >> 8; 672 unsigned char byte1 = ch >> 8;
536 int byte2 = ch & 255; 673 unsigned char byte2 = ch & 255;
537 674
538 if (byte1 < f->min_byte1 || byte1 > f->max_byte1 675 if (byte1 < f->min_byte1 || byte1 > f->max_byte1
539 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) 676 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
540 return false; 677 return false;
541 678
564 701
565 return true; 702 return true;
566} 703}
567 704
568void 705void
569rxvt_font_x11::draw (int x, int y, 706rxvt_font_x11::draw (rxvt_drawable &d, int x, int y,
570 const text_t *text, int len, 707 const text_t *text, int len,
571 int fg, int bg) 708 int fg, int bg)
572{ 709{
573 // this looks like a mess /. 710 // this looks like a mess /.
574 // and it is a mess /. 711 // and it is a mess /.
590 { 727 {
591 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 728 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
592 729
593 if (bg == Color_bg && !slow) 730 if (bg == Color_bg && !slow)
594 { 731 {
595 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 732 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
596 XDrawImageString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 733 XDrawImageString16 (d.display->display, d, GC, x, y + base, xc, len);
597 } 734 }
598 else 735 else
599 { 736 {
600 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 737 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
601 738
602 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 739 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
603 740
604 if (slow) 741 if (slow)
605 { 742 {
606 do 743 do
607 { 744 {
608 if (xc->byte1 || xc->byte2) 745 if (xc->byte1 || xc->byte2)
609 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 746 XDrawString16 (d.display->display, d, GC, x, y + base, xc, 1);
610 747
611 x += r->TermWin.fwidth; 748 x += r->TermWin.fwidth;
612 xc++; len--; 749 xc++; len--;
613 } 750 }
614 while (len); 751 while (len);
615 } 752 }
616 else 753 else
617 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 754 XDrawString16 (d.display->display, d, GC, x, y + base, xc, len);
618 } 755 }
619 } 756 }
620 else 757 else
621 { 758 {
622 const char *xc = enc_char (text, len, cs, slow); 759 const char *xc = enc_char (text, len, cs, slow);
623 760
624 if (bg == Color_bg && !slow) 761 if (bg == Color_bg && !slow)
625 { 762 {
626 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 763 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
627 XDrawImageString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 764 XDrawImageString (d.display->display, d, GC, x, y + base, xc, len);
628 } 765 }
629 else 766 else
630 { 767 {
631 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 768 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
632 769
633 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 770 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
634 771
635 if (slow) 772 if (slow)
636 { 773 {
637 do 774 do
638 { 775 {
639 if (*xc) 776 if (*xc)
640 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 777 XDrawString (d.display->display, d, GC, x, y + base, xc, 1);
641 778
642 x += r->TermWin.fwidth; 779 x += r->TermWin.fwidth;
643 xc++; len--; 780 xc++; len--;
644 } 781 }
645 while (len); 782 while (len);
646 } 783 }
647 else 784 else
648 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 785 XDrawString (d.display->display, d, GC, x, y + base, xc, len);
649 } 786 }
650 } 787 }
651} 788}
652 789
653///////////////////////////////////////////////////////////////////////////// 790/////////////////////////////////////////////////////////////////////////////
658//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables 795//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
659#define SWATHBITS 8 796#define SWATHBITS 8
660#endif 797#endif
661 798
662struct rxvt_font_xft : rxvt_font { 799struct rxvt_font_xft : rxvt_font {
663#if 0
664 enum {
665 SWATHCOUNT = 1 << (21 - UNIBITS),
666 SWATHSIZE = 1 << (SWATHBITS - 5)
667 };
668 typedef uint32_t swath[SWATHSIZE];
669
670 swath *cvr[SWATHCOUNT];
671#endif
672
673#if 0
674 void gen_coverage_swath (unsigned int page);
675
676 bool has_char (uint32_t ch)
677 {
678 unsigned int page = ch >> SWATHBITS;
679 unsigned int idx = ch & ((1 << SWATHBITS) - 1);
680
681 if (page >= SWATHCOUNT)
682 return false;
683
684 if (!cvr[page]) gen_coverage_swath (page);
685
686 return cvr[page][idx >> 5] & (1 << (idx & 31));
687 }
688#endif
689 rxvt_font_xft () { f = 0; d = 0; } 800 rxvt_font_xft () { f = 0; }
690 801
691 void clear (); 802 void clear ();
692 803
693 rxvt_fontprop properties (); 804 rxvt_fontprop properties ();
694 805
695 bool load (const rxvt_fontprop &prop); 806 bool load (const rxvt_fontprop &prop);
696 807
697 void draw (int x, int y, 808 void draw (rxvt_drawable &d, int x, int y,
698 const text_t *text, int len, 809 const text_t *text, int len,
699 int fg, int bg); 810 int fg, int bg);
700 811
701 bool has_codepoint (uint32_t unicode); 812 bool has_codepoint (uint32_t unicode);
702 813
703protected: 814protected:
704 XftFont *f; 815 XftFont *f;
705 XftDraw *d;
706
707#if 0
708 virtual void populate_coverage_swath (uint32_t lo, uint32_t hi) = 0;
709 void set_swath (uint32_t ch)
710 {
711 cvr[ch >> SWATHBITS] |= 1 << (ch & ((1 << SWATHBITS) - 1));
712 }
713#endif
714}; 816};
715 817
716void 818void
717rxvt_font_xft::clear () 819rxvt_font_xft::clear ()
718{ 820{
719 if (f) 821 if (f)
720 { 822 {
721 XftFontClose (DISPLAY, f); 823 XftFontClose (DISPLAY, f);
722 f = 0; 824 f = 0;
723 } 825 }
724
725 if (d)
726 {
727 XftDrawDestroy (d);
728 d = 0;
729 }
730
731#if 0
732 for (int i = 0; i < SWATHCOUNT; i++)
733 delete cvr[i];
734#endif
735} 826}
736 827
737rxvt_fontprop 828rxvt_fontprop
738rxvt_font_xft::properties () 829rxvt_font_xft::properties ()
739{ 830{
740 rxvt_fontprop p; 831 rxvt_fontprop p;
741 832
742 FT_Face face = XftLockFace (f); 833 FT_Face face = XftLockFace (f);
743 834
744 p.height = height; 835 p.width = width; p.height = height;
745 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium; 836 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium;
746 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman; 837 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman;
747 838
748 XftUnlockFace (f); 839 XftUnlockFace (f);
749 840
771 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 862 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
772 863
773 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 864 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
774 FcPatternAddInteger (p, FC_SLANT, prop.slant); 865 FcPatternAddInteger (p, FC_SLANT, prop.slant);
775 866
867#if 0 // clipping unfortunately destroys our precious double-width-characters
868 // clip width, we can't do better, or can we?
869 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
870 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
871#endif
872
776 //FcPatternAddBool (p, FC_MINSPACE, 1); 873 //FcPatternAddBool (p, FC_MINSPACE, 1);
777 874
778 XftResult result; 875 XftResult result;
779 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 876 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
780 877
832 XftUnlockFace (f); 929 XftUnlockFace (f);
833 930
834 return true; 931 return true;
835} 932}
836 933
837#if 0
838void rxvt_font::gen_coverage_swath (unsigned int page)
839{
840 cvr[page] = new swath;
841
842 for (int i = 0; i < SWATHSIZE; i++)
843 cvr[page][i] = 0;
844
845 populate_coverage_swath (cvr[page], page << SWATHBITS, ((page + 1) << SWATHBITS) - 1);
846}
847#endif
848
849bool 934bool
850rxvt_font_xft::has_codepoint (uint32_t unicode) 935rxvt_font_xft::has_codepoint (uint32_t unicode)
851{ 936{
852 return XftCharExists (DISPLAY, f, unicode); 937 return XftCharExists (DISPLAY, f, unicode);
853} 938}
854 939
855void 940void
856rxvt_font_xft::draw (int x, int y, 941rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
857 const text_t *text, int len, 942 const text_t *text, int len,
858 int fg, int bg) 943 int fg, int bg)
859{ 944{
860 if (!d)
861 {
862 dR;
863 d = XftDrawCreate (DISPLAY, DRAWABLE, XVISUAL, XCMAP);
864 }
865
866 if (bg >= 0 && bg != Color_bg)
867 XftDrawRect (d, &r->PixColors[bg].c, x, y, r->TermWin.fwidth * len, r->TermWin.fheight);
868 else
869 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 945 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
870 946
871 if (!slow && width == r->TermWin.fwidth) 947 if (!slow && width == r->TermWin.fwidth && 0)
872 { 948 {
873 if (sizeof (text_t) == sizeof (FcChar16)) 949 if (sizeof (text_t) == sizeof (FcChar16))
874 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); 950 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
875 else 951 else
876 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); 952 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
879 { 955 {
880 while (len) 956 while (len)
881 { 957 {
882 if (*text != NOCHAR && *text != ' ') 958 if (*text != NOCHAR && *text != ' ')
883 { 959 {
960 int fwidth = r->TermWin.fwidth;
961 if (len >= 2 && text[1] == NOCHAR)
962 fwidth *= 2;
963
964 XGlyphInfo extents;
884 if (sizeof (text_t) == sizeof (FcChar16)) 965 if (sizeof (text_t) == sizeof (FcChar16))
885 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, 1); 966 {
967 XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);
968 XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
969 y + r->TermWin.fbase, (const FcChar16 *)text, 1);
970 }
886 else 971 else
887 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, 1); 972 {
973 XGlyphInfo extents;
974 XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);
975 XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
976 y + r->TermWin.fbase, (const FcChar32 *)text, 1);
977 }
888 } 978 }
889 979
890 x += r->TermWin.fwidth; 980 x += r->TermWin.fwidth;
891 text++; 981 text++;
892 len--; 982 len--;
896#endif 986#endif
897 987
898///////////////////////////////////////////////////////////////////////////// 988/////////////////////////////////////////////////////////////////////////////
899 989
900rxvt_fontset::rxvt_fontset (rxvt_t r) 990rxvt_fontset::rxvt_fontset (rxvt_t r)
901#ifdef EXPLICIT_CONTEXT
902: r(r) 991: r (r)
903#endif
904{ 992{
905 clear (); 993 clear ();
906} 994}
907 995
908rxvt_fontset::~rxvt_fontset () 996rxvt_fontset::~rxvt_fontset ()
911} 999}
912 1000
913void 1001void
914rxvt_fontset::clear () 1002rxvt_fontset::clear ()
915{ 1003{
916 for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++) 1004 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
917 FONT_UNREF (*i); 1005 FONT_UNREF (*i);
918 1006
919 fonts.clear (); 1007 fonts.clear ();
920 base_id = 0; 1008 base_id = 0;
921 base_prop.height = 0x7fffffff; 1009 base_prop.height = 0x7fffffff;
948 f = new rxvt_font_x11; 1036 f = new rxvt_font_x11;
949 } 1037 }
950 else 1038 else
951 f = new rxvt_font_x11; 1039 f = new rxvt_font_x11;
952 1040
1041 f->fs = this;
953 f->set_term (r); 1042 f->set_term (r);
954 f->set_name (strdup (name)); 1043 f->set_name (strdup (name));
955 1044
956 f->cs = cs; 1045 f->cs = cs;
957 f->loaded = false; 1046 f->loaded = false;
975 1064
976 if (*desc == '[') 1065 if (*desc == '[')
977 { 1066 {
978 fprintf (stderr, "extra font parameters not yet supported, skipping.\n"); 1067 fprintf (stderr, "extra font parameters not yet supported, skipping.\n");
979 1068
980 const char *extra = desc++; 1069 //const char *extra = desc++; // not yet used
981 1070
982 desc = strchr (desc, ']'); 1071 desc = strchr (desc, ']');
983 1072
984 if (!desc) 1073 if (!desc)
985 { 1074 {
1024 } 1113 }
1025 1114
1026 return true; 1115 return true;
1027} 1116}
1028 1117
1029void 1118bool
1030rxvt_fontset::populate (const char *desc) 1119rxvt_fontset::populate (const char *desc)
1031{ 1120{
1032 clear (); 1121 clear ();
1033 1122
1034 fonts.push_back (new_font (0, CS_UNICODE)); 1123 fonts.push_back (new_font (0, CS_UNICODE));
1038 1127
1039 if (!base_id) 1128 if (!base_id)
1040 base_id = 1; 1129 base_id = 1;
1041 1130
1042 // we currently need a base-font, no matter what 1131 // we currently need a base-font, no matter what
1043 if (fonts.size () <= base_id || !realize_font (base_id)) 1132 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1044 { 1133 {
1134 puts ("unable to load specified font (s), falling back to 'fixed'\n");
1045 add_fonts ("fixed"); 1135 add_fonts ("fixed");
1046 base_id = fonts.size () - 1; 1136 base_id = fonts.size () - 1;
1047 } 1137 }
1048 1138
1049 if (fonts.size () <= base_id || !realize_font (base_id)) 1139 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1050 { 1140 return false;
1051 fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n");
1052 exit (1);
1053 }
1054 1141
1055 base_prop = fonts[base_id]->properties (); 1142 base_prop = fonts[base_id]->properties ();
1143
1144 return true;
1056} 1145}
1057 1146
1058int 1147int
1059rxvt_fontset::find_font (uint32_t unicode) 1148rxvt_fontset::find_font (uint32_t unicode)
1060{ 1149{
1061 for (int i = 0; i < fonts.size (); i++) 1150 for (unsigned int i = 0; i < fonts.size (); i++)
1062 { 1151 {
1063 rxvt_font *f = fonts[i]; 1152 rxvt_font *f = fonts[i];
1064 1153
1065 if (!f->loaded) 1154 if (!f->loaded)
1066 { 1155 {

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