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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 1.30 by pcg, Wed Mar 3 23:06:58 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 }
262 } 291 }
263 292
264 return false; 293 return false;
265 } 294 }
266 295
267 void draw (int x, int y, 296 void draw (rxvt_drawable &d, int x, int y,
268 const text_t *text, int len, 297 const text_t *text, int len,
269 int fg, int bg); 298 int fg, int bg);
270}; 299};
271 300
272void 301void
273rxvt_font_default::draw (int x, int y, 302rxvt_font_default::draw (rxvt_drawable &d, int x, int y,
274 const text_t *text, int len, 303 const text_t *text, int len,
275 int fg, int bg) 304 int fg, int bg)
276{ 305{
277 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 306 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
278 307
279 XSetForeground (DISPLAY, GC, r->PixColors[fg]); 308 XSetForeground (d.display->display, GC, r->PixColors[fg]);
280 309
281 while (len--) 310 while (len--)
282 { 311 {
283 text_t t = *text++; 312 text_t t = *text++;
284 313
314 // is it in our linedrawing table?
285 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500]) 315 if (t >= 0x2500 & t <= 0x2580 && linedraw_cmds[t - 0x2500])
286 { 316 {
287 const char *p = linedraw_cmds[t - 0x2500]; 317 const char *p = linedraw_cmds[t - 0x2500];
288 318
289 int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth ; 319 int x0 = x, x1 = x + r->TermWin.fwidth / 2, x2 = x + r->TermWin.fwidth - 1;
290 int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight; 320 int y0 = y, y1 = y + r->TermWin.fheight / 2, y2 = y + r->TermWin.fheight - 1;
291 321
292 XGCValues gcv; 322 XGCValues gcv;
293 323
294 while (*p) 324 while (*p)
295 { 325 {
296 switch (*p++) 326 switch (*p++)
297 { 327 {
298 case '1': 328 case '1':
299 gcv.line_width = 0; 329 gcv.line_width = 0;
300 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 330 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
301 break; 331 break;
302 332
303 case '2': 333 case '2':
304 gcv.line_width = 2; 334 gcv.line_width = 2;
305 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 335 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
306 break; 336 break;
307 337
308 case 'h': XDrawLine (DISPLAY, DRAWABLE, GC, x0, y1, x1, y1); break; 338 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; 339 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; 340 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; 341 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; 342 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; 343 case 'b': XDrawLine (d.display->display, d, GC, x0, y0, x2, y2); break;
314 } 344 }
315 } 345 }
316 346
317 gcv.line_width = 0; 347 gcv.line_width = 0;
318 XChangeGC (DISPLAY, GC, GCLineWidth, &gcv); 348 XChangeGC (d.display->display, GC, GCLineWidth, &gcv);
319 } 349 }
320 else 350 else
321 switch (*text++) 351 switch (t)
322 { 352 {
323 case NOCHAR:
324 case ZERO_WIDTH_CHAR: 353 case ZERO_WIDTH_CHAR:
325 break; 354 break;
326 default: 355 default:
327 XDrawRectangle (DISPLAY, DRAWABLE, GC, x + 2, y + 2, r->TermWin.fwidth - 5, r->TermWin.fheight - 5); 356 int w = 0;
357 while (len > 0 && *text == NOCHAR)
358 {
359 ++text;
360 --len;
361 w += r->TermWin.fwidth;
362 }
363
364 XDrawRectangle (d.display->display, d, GC, x + 2, y + 2,
365 w + r->TermWin.fwidth - 5, r->TermWin.fheight - 5);
366 x += w;
328 } 367 }
329 368
330 x += r->TermWin.fwidth; 369 x += r->TermWin.fwidth;
331 } 370 }
332} 371}
337 rxvt_font_x11 () { f = 0; } 376 rxvt_font_x11 () { f = 0; }
338 377
339 void clear (); 378 void clear ();
340 379
341 rxvt_fontprop properties (); 380 rxvt_fontprop properties ();
342 rxvt_fontprop properties (XFontStruct *f);
343 381
344 bool load (const rxvt_fontprop &prop); 382 bool load (const rxvt_fontprop &prop);
345 383
346 bool has_codepoint (uint32_t unicode); 384 bool has_codepoint (uint32_t unicode);
347 385
348 void draw (int x, int y, 386 void draw (rxvt_drawable &d, int x, int y,
349 const text_t *text, int len, 387 const text_t *text, int len,
350 int fg, int bg); 388 int fg, int bg);
351 389
352 XFontStruct *f; 390 XFontStruct *f;
353 codeset cs; 391 codeset cs;
354 bool enc2b, encm; 392 bool enc2b, encm;
355 393
356 const char *get_property (XFontStruct *f, const char *property, const char *repl) const; 394 const char *get_property (XFontStruct *f, const char *property, const char *repl) const;
395 bool set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth);
396 bool set_properties (rxvt_fontprop &p, XFontStruct *f);
397 bool set_properties (rxvt_fontprop &p, const char *name);
357}; 398};
358 399
359const char * 400const char *
360rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const 401rxvt_font_x11::get_property (XFontStruct *f, const char *property, const char *repl) const
361{ 402{
368} 409}
369 410
370rxvt_fontprop 411rxvt_fontprop
371rxvt_font_x11::properties () 412rxvt_font_x11::properties ()
372{ 413{
373 return properties (f);
374}
375
376rxvt_fontprop
377rxvt_font_x11::properties (XFontStruct *f)
378{
379 rxvt_fontprop p; 414 rxvt_fontprop p;
415 set_properties (p, f);
416 return p;
417}
380 418
419bool
420rxvt_font_x11::set_properties (rxvt_fontprop &p, int height, const char *weight, const char *slant, int avgwidth)
421{
422 p.width = avgwidth ? (avgwidth + 1) / 10 : (height + 1) / 2;
423 p.height = height;
424 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium;
425 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic;
426
427 return true;
428}
429
430bool
431rxvt_font_x11::set_properties (rxvt_fontprop &p, XFontStruct *f)
432{
381 const char *weight = get_property (f, "WEIGHT_NAME", "medium"); 433 const char *weight = get_property (f, "WEIGHT_NAME", "medium");
382 const char *slant = get_property (f, "SLANT", "r"); 434 const char *slant = get_property (f, "SLANT", "r");
383 435
384 p.height = height; 436 unsigned long height;
385 p.weight = *weight == 'B' || *weight == 'b' ? rxvt_fontprop::bold : rxvt_fontprop::medium; 437 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "PIXEL_SIZE", 0), &height))
386 p.slant = *slant == 'r' || *slant == 'R' ? rxvt_fontprop::roman : rxvt_fontprop::italic; 438 return false;
387 439
388 return p; 440 unsigned long avgwidth;
441 if (!XGetFontProperty (f, XInternAtom (DISPLAY, "AVERAGE_WIDTH", 0), &avgwidth))
442 avgwidth = 0;
443
444 return set_properties (p, height, weight, slant, avgwidth);
445}
446
447bool
448rxvt_font_x11::set_properties (rxvt_fontprop &p, const char *name)
449{
450 int slashes = 0;
451 const char *comp[13];
452
453 for (const char *c = name; *c; c++)
454 if (*c == '-')
455 {
456 comp[slashes++] = c + 1;
457 if (slashes >= 13)
458 break;
459 }
460
461 /* can we short-circuit the costly XLoadQueryFont? */
462 if (slashes >= 13
463 && (*comp[ 6] >= '1' && *comp[ 6] <= '9')
464 && (*comp[11] >= '0' && *comp[11] <= '9'))
465 return set_properties (p, atoi (comp[6]), comp[2], comp[3], atoi (comp[11]));
466
467 XFontStruct *f = XLoadQueryFont (DISPLAY, name);
468
469 if (f)
470 {
471 // the font should really exist now. if not, we have a problem
472 // (e.g. if the user did xset fp rehash just when we were searching fonts).
473 // in that case, just return garbage.
474 bool ret = set_properties (p, f);
475 XFreeFont (DISPLAY, f);
476 return ret;
477 }
478 else
479 return false;
480}
481
482// fix the size of scalable fonts
483static void
484fix_scalable (char *buf, const char *name, const rxvt_fontprop &prop)
485{
486 int slashes = 0;
487 const char *size;
488
489 for (const char *c = name; *c; c++)
490 if (*c == '-')
491 {
492 if (slashes == 6)
493 size = c + 1;
494
495 if (++slashes >= 13)
496 break;
497 }
498
499 if (slashes >= 13 && size[0] == '0')
500 {
501 strncpy (buf, name, size - name);
502 buf += size - name;
503 buf += sprintf (buf, "%d", prop.height);
504 strcpy (buf, size + 1);
505 }
506 else
507 strcpy (buf, name);
389} 508}
390 509
391bool 510bool
392rxvt_font_x11::load (const rxvt_fontprop &prop) 511rxvt_font_x11::load (const rxvt_fontprop &prop)
393{ 512{
394 clear (); 513 clear ();
395 514
396 char **list; 515 char **list;
397 int count; 516 int count;
398 XFontStruct *info;
399 list = XListFontsWithInfo (DISPLAY, name, 128, &count, &info); 517 list = XListFonts (DISPLAY, name, 512, &count);
518 set_name (0);
400 519
401 if (!list) 520 if (!list)
402 return false; 521 return false;
403 522
404 int bestdiff = 0x7fffffff; 523 int bestdiff = 0x7fffffff;
405 XFontStruct *best = 0;
406 for (int i = 0; i < count; i++) 524 for (int i = 0; i < count; i++)
407 { 525 {
408 XFontStruct *f = info + i; 526 rxvt_fontprop p;
527 char fname[1024];
528 fix_scalable (fname, list[i], prop);
409 529
530 if (!set_properties (p, fname))
531 continue;
532
410 if (f->ascent + f->descent <= prop.height) // weed out too large fonts 533 if (p.height > prop.height) // weed out too large fonts
411 { 534 continue;
412 rxvt_fontprop p = properties (f); 535
413 int diff = (prop.height - f->ascent + f->descent) * 32 536 int diff = (prop.height - p.height) * 32
414 + abs (prop.weight - p.weight) 537 + abs (prop.weight - p.weight)
415 + abs (prop.slant - p.slant ); 538 + abs (prop.slant - p.slant );
416 539
417 if (!best // compare against best found so far 540 if (!name // compare against best found so far
418 || diff < bestdiff) 541 || diff < bestdiff)
419 { 542 {
420 best = f; 543 set_name (strdup (fname));
421 bestdiff = diff; 544 bestdiff = diff;
422 } 545 }
423 }
424 } 546 }
425 547
548 XFreeFontNames (list);
549
426 if (!best) 550 if (!name)
427 return false; 551 return false;
428
429 set_name (strdup (list[best - info]));
430
431 XFreeFontInfo (list, info, count);
432 552
433 f = XLoadQueryFont (DISPLAY, name); 553 f = XLoadQueryFont (DISPLAY, name);
434 554
435 if (!f) 555 if (!f)
436 return false; 556 return false;
437
438 unsigned long value;
439 557
440 const char *registry = get_property (f, "CHARSET_REGISTRY", 0); 558 const char *registry = get_property (f, "CHARSET_REGISTRY", 0);
441 const char *encoding = get_property (f, "CHARSET_ENCODING", 0); 559 const char *encoding = get_property (f, "CHARSET_ENCODING", 0);
442 560
443 if (registry && encoding) 561 if (registry && encoding)
530 /* check wether the character exists in _this_ font. horrible. */ 648 /* check wether the character exists in _this_ font. horrible. */
531 XCharStruct *xcs; 649 XCharStruct *xcs;
532 650
533 if (encm) 651 if (encm)
534 { 652 {
535 int byte1 = ch >> 8; 653 unsigned char byte1 = ch >> 8;
536 int byte2 = ch & 255; 654 unsigned char byte2 = ch & 255;
537 655
538 if (byte1 < f->min_byte1 || byte1 > f->max_byte1 656 if (byte1 < f->min_byte1 || byte1 > f->max_byte1
539 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2) 657 || byte2 < f->min_char_or_byte2 || byte2 > f->max_char_or_byte2)
540 return false; 658 return false;
541 659
564 682
565 return true; 683 return true;
566} 684}
567 685
568void 686void
569rxvt_font_x11::draw (int x, int y, 687rxvt_font_x11::draw (rxvt_drawable &d, int x, int y,
570 const text_t *text, int len, 688 const text_t *text, int len,
571 int fg, int bg) 689 int fg, int bg)
572{ 690{
573 // this looks like a mess /. 691 // this looks like a mess /.
574 // and it is a mess /. 692 // and it is a mess /.
590 { 708 {
591 const XChar2b *xc = enc_xchar2b (text, len, cs, slow); 709 const XChar2b *xc = enc_xchar2b (text, len, cs, slow);
592 710
593 if (bg == Color_bg && !slow) 711 if (bg == Color_bg && !slow)
594 { 712 {
595 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 713 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
596 XDrawImageString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 714 XDrawImageString16 (d.display->display, d, GC, x, y + base, xc, len);
597 } 715 }
598 else 716 else
599 { 717 {
600 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 718 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
601 719
602 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 720 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
603 721
604 if (slow) 722 if (slow)
605 { 723 {
606 do 724 do
607 { 725 {
608 if (xc->byte1 || xc->byte2) 726 if (xc->byte1 || xc->byte2)
609 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 727 XDrawString16 (d.display->display, d, GC, x, y + base, xc, 1);
610 728
611 x += r->TermWin.fwidth; 729 x += r->TermWin.fwidth;
612 xc++; len--; 730 xc++; len--;
613 } 731 }
614 while (len); 732 while (len);
615 } 733 }
616 else 734 else
617 XDrawString16 (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 735 XDrawString16 (d.display->display, d, GC, x, y + base, xc, len);
618 } 736 }
619 } 737 }
620 else 738 else
621 { 739 {
622 const char *xc = enc_char (text, len, cs, slow); 740 const char *xc = enc_char (text, len, cs, slow);
623 741
624 if (bg == Color_bg && !slow) 742 if (bg == Color_bg && !slow)
625 { 743 {
626 XChangeGC (DISPLAY, GC, GCForeground | GCBackground | GCFont, &v); 744 XChangeGC (d.display->display, GC, GCForeground | GCBackground | GCFont, &v);
627 XDrawImageString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 745 XDrawImageString (d.display->display, d, GC, x, y + base, xc, len);
628 } 746 }
629 else 747 else
630 { 748 {
631 clear_rect (x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg); 749 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
632 750
633 XChangeGC (DISPLAY, GC, GCForeground | GCFont, &v); 751 XChangeGC (d.display->display, GC, GCForeground | GCFont, &v);
634 752
635 if (slow) 753 if (slow)
636 { 754 {
637 do 755 do
638 { 756 {
639 if (*xc) 757 if (*xc)
640 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, 1); 758 XDrawString (d.display->display, d, GC, x, y + base, xc, 1);
641 759
642 x += r->TermWin.fwidth; 760 x += r->TermWin.fwidth;
643 xc++; len--; 761 xc++; len--;
644 } 762 }
645 while (len); 763 while (len);
646 } 764 }
647 else 765 else
648 XDrawString (DISPLAY, DRAWABLE, GC, x, y + base, xc, len); 766 XDrawString (d.display->display, d, GC, x, y + base, xc, len);
649 } 767 }
650 } 768 }
651} 769}
652 770
653///////////////////////////////////////////////////////////////////////////// 771/////////////////////////////////////////////////////////////////////////////
658//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables 776//#define SWATHBITS (UNIBITS / 2 + 3) // minimum size for "full" tables
659#define SWATHBITS 8 777#define SWATHBITS 8
660#endif 778#endif
661 779
662struct rxvt_font_xft : rxvt_font { 780struct 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; } 781 rxvt_font_xft () { f = 0; }
690 782
691 void clear (); 783 void clear ();
692 784
693 rxvt_fontprop properties (); 785 rxvt_fontprop properties ();
694 786
695 bool load (const rxvt_fontprop &prop); 787 bool load (const rxvt_fontprop &prop);
696 788
697 void draw (int x, int y, 789 void draw (rxvt_drawable &d, int x, int y,
698 const text_t *text, int len, 790 const text_t *text, int len,
699 int fg, int bg); 791 int fg, int bg);
700 792
701 bool has_codepoint (uint32_t unicode); 793 bool has_codepoint (uint32_t unicode);
702 794
703protected: 795protected:
704 XftFont *f; 796 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}; 797};
715 798
716void 799void
717rxvt_font_xft::clear () 800rxvt_font_xft::clear ()
718{ 801{
719 if (f) 802 if (f)
720 { 803 {
721 XftFontClose (DISPLAY, f); 804 XftFontClose (DISPLAY, f);
722 f = 0; 805 f = 0;
723 } 806 }
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} 807}
736 808
737rxvt_fontprop 809rxvt_fontprop
738rxvt_font_xft::properties () 810rxvt_font_xft::properties ()
739{ 811{
740 rxvt_fontprop p; 812 rxvt_fontprop p;
741 813
742 FT_Face face = XftLockFace (f); 814 FT_Face face = XftLockFace (f);
743 815
744 p.height = height; 816 p.width = width; p.height = height;
745 p.weight = face->style_flags & FT_STYLE_FLAG_BOLD ? rxvt_fontprop::bold : rxvt_fontprop::medium; 817 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; 818 p.slant = face->style_flags & FT_STYLE_FLAG_ITALIC ? rxvt_fontprop::italic : rxvt_fontprop::roman;
747 819
748 XftUnlockFace (f); 820 XftUnlockFace (f);
749 821
771 FcPatternAddInteger (p, FC_WEIGHT, prop.weight); 843 FcPatternAddInteger (p, FC_WEIGHT, prop.weight);
772 844
773 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch) 845 if (FcPatternGet (p, FC_SLANT, 0, &v) != FcResultMatch)
774 FcPatternAddInteger (p, FC_SLANT, prop.slant); 846 FcPatternAddInteger (p, FC_SLANT, prop.slant);
775 847
848#if 0 // clipping unfortunately destroys our precious double-width-characters
849 // clip width, we can't do better, or can we?
850 if (FcPatternGet (p, FC_CHAR_WIDTH, 0, &v) != FcResultMatch)
851 FcPatternAddInteger (p, FC_CHAR_WIDTH, prop.width);
852#endif
853
776 //FcPatternAddBool (p, FC_MINSPACE, 1); 854 //FcPatternAddBool (p, FC_MINSPACE, 1);
777 855
778 XftResult result; 856 XftResult result;
779 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result); 857 FcPattern *match = XftFontMatch (DISPLAY, DefaultScreen (DISPLAY), p, &result);
780 858
832 XftUnlockFace (f); 910 XftUnlockFace (f);
833 911
834 return true; 912 return true;
835} 913}
836 914
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 915bool
850rxvt_font_xft::has_codepoint (uint32_t unicode) 916rxvt_font_xft::has_codepoint (uint32_t unicode)
851{ 917{
852 return XftCharExists (DISPLAY, f, unicode); 918 return XftCharExists (DISPLAY, f, unicode);
853} 919}
854 920
855void 921void
856rxvt_font_xft::draw (int x, int y, 922rxvt_font_xft::draw (rxvt_drawable &d, int x, int y,
857 const text_t *text, int len, 923 const text_t *text, int len,
858 int fg, int bg) 924 int fg, int bg)
859{ 925{
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); 926 clear_rect (d, x, y, r->TermWin.fwidth * len, r->TermWin.fheight, bg);
870 927
871 if (!slow && width == r->TermWin.fwidth) 928 if (!slow && width == r->TermWin.fwidth && 0)
872 { 929 {
873 if (sizeof (text_t) == sizeof (FcChar16)) 930 if (sizeof (text_t) == sizeof (FcChar16))
874 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len); 931 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, len);
875 else 932 else
876 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len); 933 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, len);
879 { 936 {
880 while (len) 937 while (len)
881 { 938 {
882 if (*text != NOCHAR && *text != ' ') 939 if (*text != NOCHAR && *text != ' ')
883 { 940 {
941 int fwidth = r->TermWin.fwidth;
942 if (len >= 2 && text[1] == NOCHAR)
943 fwidth *= 2;
944
945 XGlyphInfo extents;
884 if (sizeof (text_t) == sizeof (FcChar16)) 946 if (sizeof (text_t) == sizeof (FcChar16))
885 XftDrawString16 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar16 *)text, 1); 947 {
948 XftTextExtents16 (d.display->display, f, (const FcChar16 *)text, 1, &extents);
949 XftDrawString16 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
950 y + r->TermWin.fbase, (const FcChar16 *)text, 1);
951 }
886 else 952 else
887 XftDrawString32 (d, &r->PixColors[fg].c, f, x, y + r->TermWin.fbase, (const FcChar32 *)text, 1); 953 {
954 XGlyphInfo extents;
955 XftTextExtents32 (d.display->display, f, (const FcChar32 *)text, 1, &extents);
956 XftDrawString32 (d, &r->PixColors[fg].c, f, x + extents.x + (fwidth - extents.width) / 2,
957 y + r->TermWin.fbase, (const FcChar32 *)text, 1);
958 }
888 } 959 }
889 960
890 x += r->TermWin.fwidth; 961 x += r->TermWin.fwidth;
891 text++; 962 text++;
892 len--; 963 len--;
896#endif 967#endif
897 968
898///////////////////////////////////////////////////////////////////////////// 969/////////////////////////////////////////////////////////////////////////////
899 970
900rxvt_fontset::rxvt_fontset (rxvt_t r) 971rxvt_fontset::rxvt_fontset (rxvt_t r)
901#ifdef EXPLICIT_CONTEXT
902: r(r) 972: r (r)
903#endif
904{ 973{
905 clear (); 974 clear ();
906} 975}
907 976
908rxvt_fontset::~rxvt_fontset () 977rxvt_fontset::~rxvt_fontset ()
911} 980}
912 981
913void 982void
914rxvt_fontset::clear () 983rxvt_fontset::clear ()
915{ 984{
916 for (rxvt_font **i = fonts.begin (); i != fonts.end(); i++) 985 for (rxvt_font **i = fonts.begin (); i != fonts.end (); i++)
917 FONT_UNREF (*i); 986 FONT_UNREF (*i);
918 987
919 fonts.clear (); 988 fonts.clear ();
920 base_id = 0; 989 base_id = 0;
921 base_prop.height = 0x7fffffff; 990 base_prop.height = 0x7fffffff;
975 1044
976 if (*desc == '[') 1045 if (*desc == '[')
977 { 1046 {
978 fprintf (stderr, "extra font parameters not yet supported, skipping.\n"); 1047 fprintf (stderr, "extra font parameters not yet supported, skipping.\n");
979 1048
980 const char *extra = desc++; 1049 //const char *extra = desc++; // not yet used
981 1050
982 desc = strchr (desc, ']'); 1051 desc = strchr (desc, ']');
983 1052
984 if (!desc) 1053 if (!desc)
985 { 1054 {
1024 } 1093 }
1025 1094
1026 return true; 1095 return true;
1027} 1096}
1028 1097
1029void 1098bool
1030rxvt_fontset::populate (const char *desc) 1099rxvt_fontset::populate (const char *desc)
1031{ 1100{
1032 clear (); 1101 clear ();
1033 1102
1034 fonts.push_back (new_font (0, CS_UNICODE)); 1103 fonts.push_back (new_font (0, CS_UNICODE));
1038 1107
1039 if (!base_id) 1108 if (!base_id)
1040 base_id = 1; 1109 base_id = 1;
1041 1110
1042 // we currently need a base-font, no matter what 1111 // we currently need a base-font, no matter what
1043 if (fonts.size () <= base_id || !realize_font (base_id)) 1112 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1044 { 1113 {
1114 puts ("unable to load specified font (s), falling back to 'fixed'\n");
1045 add_fonts ("fixed"); 1115 add_fonts ("fixed");
1046 base_id = fonts.size () - 1; 1116 base_id = fonts.size () - 1;
1047 } 1117 }
1048 1118
1049 if (fonts.size () <= base_id || !realize_font (base_id)) 1119 if ((int)fonts.size () <= base_id || !realize_font (base_id))
1050 { 1120 return false;
1051 fprintf (stderr, "unable to load a base font, please provide one using -fn fontname\n");
1052 exit (1);
1053 }
1054 1121
1055 base_prop = fonts[base_id]->properties (); 1122 base_prop = fonts[base_id]->properties ();
1123
1124 return true;
1056} 1125}
1057 1126
1058int 1127int
1059rxvt_fontset::find_font (uint32_t unicode) 1128rxvt_fontset::find_font (uint32_t unicode)
1060{ 1129{
1061 for (int i = 0; i < fonts.size (); i++) 1130 for (unsigned int i = 0; i < fonts.size (); i++)
1062 { 1131 {
1063 rxvt_font *f = fonts[i]; 1132 rxvt_font *f = fonts[i];
1064 1133
1065 if (!f->loaded) 1134 if (!f->loaded)
1066 { 1135 {

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